4909 lines
230 KiB
C
4909 lines
230 KiB
C
/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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* All rights reserved.
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*
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* This source code is licensed under both the BSD-style license (found in the
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* LICENSE file in the root directory of this source tree) and the GPLv2 (found
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* in the COPYING file in the root directory of this source tree).
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* You may select, at your option, one of the above-listed licenses.
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*/
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/*-************************************
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* Compiler specific
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**************************************/
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#ifdef _MSC_VER /* Visual Studio */
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# define _CRT_SECURE_NO_WARNINGS /* fgets */
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# pragma warning(disable : 4127) /* disable: C4127: conditional expression is constant */
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# pragma warning(disable : 4204) /* disable: C4204: non-constant aggregate initializer */
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#endif
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/*-************************************
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* Includes
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**************************************/
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#include <stdlib.h> /* free */
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#include <stdio.h> /* fgets, sscanf */
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#include <string.h> /* strcmp */
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#include <time.h> /* time(), time_t */
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#undef NDEBUG /* always enable assert() */
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#include <assert.h>
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#define ZSTD_STATIC_LINKING_ONLY /* ZSTD_compressContinue, ZSTD_compressBlock */
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#include "debug.h" /* DEBUG_STATIC_ASSERT */
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#include "fse.h"
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#define ZSTD_DISABLE_DEPRECATE_WARNINGS /* No deprecation warnings, we still test some deprecated functions */
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#include "zstd.h" /* ZSTD_VERSION_STRING */
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#include "zstd_errors.h" /* ZSTD_getErrorCode */
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#define ZDICT_STATIC_LINKING_ONLY
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#include "zdict.h" /* ZDICT_trainFromBuffer */
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#include "mem.h"
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#include "datagen.h" /* RDG_genBuffer */
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#define XXH_STATIC_LINKING_ONLY /* XXH64_state_t */
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#include "xxhash.h" /* XXH64 */
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#include "util.h"
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#include "timefn.h" /* SEC_TO_MICRO, UTIL_time_t, UTIL_TIME_INITIALIZER, UTIL_clockSpanMicro, UTIL_getTime */
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/* must be included after util.h, due to ERROR macro redefinition issue on Visual Studio */
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#include "zstd_internal.h" /* ZSTD_WORKSPACETOOLARGE_MAXDURATION, ZSTD_WORKSPACETOOLARGE_FACTOR, KB, MB */
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#include "threading.h" /* ZSTD_pthread_create, ZSTD_pthread_join */
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/*-************************************
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* Constants
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**************************************/
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#define GB *(1U<<30)
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static const int FUZ_compressibility_default = 50;
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static const int nbTestsDefault = 30000;
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/*-************************************
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* Display Macros
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**************************************/
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#define DISPLAY(...) fprintf(stderr, __VA_ARGS__)
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#define DISPLAYLEVEL(l, ...) if (g_displayLevel>=l) { DISPLAY(__VA_ARGS__); }
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static U32 g_displayLevel = 2;
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static const U64 g_refreshRate = SEC_TO_MICRO / 6;
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static UTIL_time_t g_displayClock = UTIL_TIME_INITIALIZER;
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#define DISPLAYUPDATE(l, ...) \
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if (g_displayLevel>=l) { \
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if ((UTIL_clockSpanMicro(g_displayClock) > g_refreshRate) || (g_displayLevel>=4)) \
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{ g_displayClock = UTIL_getTime(); DISPLAY(__VA_ARGS__); \
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if (g_displayLevel>=4) fflush(stderr); } \
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}
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/*-*******************************************************
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* Compile time test
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*********************************************************/
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#undef MIN
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#undef MAX
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/* Declaring the function, to avoid -Wmissing-prototype */
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void FUZ_bug976(void);
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void FUZ_bug976(void)
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{ /* these constants shall not depend on MIN() macro */
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DEBUG_STATIC_ASSERT(ZSTD_HASHLOG_MAX < 31);
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DEBUG_STATIC_ASSERT(ZSTD_CHAINLOG_MAX < 31);
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}
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/*-*******************************************************
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* Internal functions
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*********************************************************/
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#define MIN(a,b) ((a)<(b)?(a):(b))
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#define MAX(a,b) ((a)>(b)?(a):(b))
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#define FUZ_rotl32(x,r) ((x << r) | (x >> (32 - r)))
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static U32 FUZ_rand(U32* src)
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{
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static const U32 prime1 = 2654435761U;
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static const U32 prime2 = 2246822519U;
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U32 rand32 = *src;
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rand32 *= prime1;
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rand32 += prime2;
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rand32 = FUZ_rotl32(rand32, 13);
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*src = rand32;
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return rand32 >> 5;
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}
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static U32 FUZ_highbit32(U32 v32)
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{
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unsigned nbBits = 0;
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if (v32==0) return 0;
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while (v32) v32 >>= 1, nbBits++;
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return nbBits;
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}
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/*=============================================
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* Test macros
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=============================================*/
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#define CHECK(fn) { if(!(fn)) { DISPLAYLEVEL(1, "Error : test (%s) failed \n", #fn); exit(1); } }
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#define CHECK_Z(f) { \
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size_t const err = f; \
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if (ZSTD_isError(err)) { \
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DISPLAY("Error => %s : %s ", \
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#f, ZSTD_getErrorName(err)); \
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exit(1); \
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} }
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#define CHECK_VAR(var, fn) var = fn; if (ZSTD_isError(var)) { DISPLAYLEVEL(1, "%s : fails : %s \n", #fn, ZSTD_getErrorName(var)); exit(1); }
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#define CHECK_NEWV(var, fn) size_t const CHECK_VAR(var, fn)
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#define CHECKPLUS(var, fn, more) { CHECK_NEWV(var, fn); more; }
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#define CHECK_OP(op, lhs, rhs) { \
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if (!((lhs) op (rhs))) { \
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DISPLAY("Error L%u => FAILED %s %s %s ", __LINE__, #lhs, #op, #rhs); \
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exit(1); \
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} \
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}
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#define CHECK_EQ(lhs, rhs) CHECK_OP(==, lhs, rhs)
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#define CHECK_LT(lhs, rhs) CHECK_OP(<, lhs, rhs)
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/*=============================================
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* Memory Tests
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=============================================*/
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#if defined(__APPLE__) && defined(__MACH__)
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#include <malloc/malloc.h> /* malloc_size */
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typedef struct {
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unsigned long long totalMalloc;
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size_t currentMalloc;
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size_t peakMalloc;
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unsigned nbMalloc;
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unsigned nbFree;
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} mallocCounter_t;
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static const mallocCounter_t INIT_MALLOC_COUNTER = { 0, 0, 0, 0, 0 };
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static void* FUZ_mallocDebug(void* counter, size_t size)
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{
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mallocCounter_t* const mcPtr = (mallocCounter_t*)counter;
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void* const ptr = malloc(size);
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if (ptr==NULL) return NULL;
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DISPLAYLEVEL(4, "allocating %u KB => effectively %u KB \n",
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(unsigned)(size >> 10), (unsigned)(malloc_size(ptr) >> 10)); /* OS-X specific */
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mcPtr->totalMalloc += size;
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mcPtr->currentMalloc += size;
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if (mcPtr->currentMalloc > mcPtr->peakMalloc)
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mcPtr->peakMalloc = mcPtr->currentMalloc;
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mcPtr->nbMalloc += 1;
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return ptr;
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}
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static void FUZ_freeDebug(void* counter, void* address)
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{
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mallocCounter_t* const mcPtr = (mallocCounter_t*)counter;
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DISPLAYLEVEL(4, "freeing %u KB \n", (unsigned)(malloc_size(address) >> 10));
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mcPtr->nbFree += 1;
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mcPtr->currentMalloc -= malloc_size(address); /* OS-X specific */
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free(address);
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}
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static void FUZ_displayMallocStats(mallocCounter_t count)
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{
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DISPLAYLEVEL(3, "peak:%6u KB, nbMallocs:%2u, total:%6u KB \n",
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(unsigned)(count.peakMalloc >> 10),
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count.nbMalloc,
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(unsigned)(count.totalMalloc >> 10));
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}
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static int FUZ_mallocTests_internal(unsigned seed, double compressibility, unsigned part,
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void* inBuffer, size_t inSize, void* outBuffer, size_t outSize)
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{
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/* test only played in verbose mode, as they are long */
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if (g_displayLevel<3) return 0;
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/* Create compressible noise */
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if (!inBuffer || !outBuffer) {
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DISPLAY("Not enough memory, aborting\n");
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exit(1);
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}
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RDG_genBuffer(inBuffer, inSize, compressibility, 0. /*auto*/, seed);
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/* simple compression tests */
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if (part <= 1)
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{ int compressionLevel;
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for (compressionLevel=1; compressionLevel<=6; compressionLevel++) {
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mallocCounter_t malcount = INIT_MALLOC_COUNTER;
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ZSTD_customMem const cMem = { FUZ_mallocDebug, FUZ_freeDebug, &malcount };
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ZSTD_CCtx* const cctx = ZSTD_createCCtx_advanced(cMem);
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CHECK_Z( ZSTD_compressCCtx(cctx, outBuffer, outSize, inBuffer, inSize, compressionLevel) );
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ZSTD_freeCCtx(cctx);
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DISPLAYLEVEL(3, "compressCCtx level %i : ", compressionLevel);
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FUZ_displayMallocStats(malcount);
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} }
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/* streaming compression tests */
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if (part <= 2)
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{ int compressionLevel;
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for (compressionLevel=1; compressionLevel<=6; compressionLevel++) {
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mallocCounter_t malcount = INIT_MALLOC_COUNTER;
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ZSTD_customMem const cMem = { FUZ_mallocDebug, FUZ_freeDebug, &malcount };
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ZSTD_CCtx* const cstream = ZSTD_createCStream_advanced(cMem);
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ZSTD_outBuffer out = { outBuffer, outSize, 0 };
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ZSTD_inBuffer in = { inBuffer, inSize, 0 };
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CHECK_Z( ZSTD_initCStream(cstream, compressionLevel) );
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CHECK_Z( ZSTD_compressStream(cstream, &out, &in) );
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CHECK_Z( ZSTD_endStream(cstream, &out) );
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ZSTD_freeCStream(cstream);
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DISPLAYLEVEL(3, "compressStream level %i : ", compressionLevel);
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FUZ_displayMallocStats(malcount);
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} }
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/* advanced MT API test */
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if (part <= 3)
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{ int nbThreads;
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for (nbThreads=1; nbThreads<=4; nbThreads++) {
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int compressionLevel;
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for (compressionLevel=1; compressionLevel<=6; compressionLevel++) {
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mallocCounter_t malcount = INIT_MALLOC_COUNTER;
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ZSTD_customMem const cMem = { FUZ_mallocDebug, FUZ_freeDebug, &malcount };
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ZSTD_CCtx* const cctx = ZSTD_createCCtx_advanced(cMem);
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CHECK_Z( ZSTD_CCtx_setParameter(cctx, ZSTD_c_compressionLevel, compressionLevel) );
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CHECK_Z( ZSTD_CCtx_setParameter(cctx, ZSTD_c_nbWorkers, nbThreads) );
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CHECK_Z( ZSTD_compress2(cctx, outBuffer, outSize, inBuffer, inSize) );
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ZSTD_freeCCtx(cctx);
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DISPLAYLEVEL(3, "compress_generic,-T%i,end level %i : ",
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nbThreads, compressionLevel);
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FUZ_displayMallocStats(malcount);
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} } }
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/* advanced MT streaming API test */
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if (part <= 4)
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{ int nbThreads;
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for (nbThreads=1; nbThreads<=4; nbThreads++) {
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int compressionLevel;
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for (compressionLevel=1; compressionLevel<=6; compressionLevel++) {
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mallocCounter_t malcount = INIT_MALLOC_COUNTER;
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ZSTD_customMem const cMem = { FUZ_mallocDebug, FUZ_freeDebug, &malcount };
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ZSTD_CCtx* const cctx = ZSTD_createCCtx_advanced(cMem);
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ZSTD_outBuffer out = { outBuffer, outSize, 0 };
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ZSTD_inBuffer in = { inBuffer, inSize, 0 };
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CHECK_Z( ZSTD_CCtx_setParameter(cctx, ZSTD_c_compressionLevel, compressionLevel) );
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CHECK_Z( ZSTD_CCtx_setParameter(cctx, ZSTD_c_nbWorkers, nbThreads) );
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CHECK_Z( ZSTD_compressStream2(cctx, &out, &in, ZSTD_e_continue) );
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while ( ZSTD_compressStream2(cctx, &out, &in, ZSTD_e_end) ) {}
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ZSTD_freeCCtx(cctx);
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DISPLAYLEVEL(3, "compress_generic,-T%i,continue level %i : ",
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nbThreads, compressionLevel);
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FUZ_displayMallocStats(malcount);
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} } }
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return 0;
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}
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static int FUZ_mallocTests(unsigned seed, double compressibility, unsigned part)
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{
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size_t const inSize = 64 MB + 16 MB + 4 MB + 1 MB + 256 KB + 64 KB; /* 85.3 MB */
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size_t const outSize = ZSTD_compressBound(inSize);
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void* const inBuffer = malloc(inSize);
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void* const outBuffer = malloc(outSize);
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int result;
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/* Create compressible noise */
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if (!inBuffer || !outBuffer) {
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DISPLAY("Not enough memory, aborting \n");
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exit(1);
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}
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result = FUZ_mallocTests_internal(seed, compressibility, part,
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inBuffer, inSize, outBuffer, outSize);
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free(inBuffer);
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free(outBuffer);
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return result;
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}
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#else
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static int FUZ_mallocTests(unsigned seed, double compressibility, unsigned part)
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{
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(void)seed; (void)compressibility; (void)part;
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return 0;
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}
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#endif
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static void FUZ_decodeSequences(BYTE* dst, ZSTD_Sequence* seqs, size_t seqsSize,
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BYTE* src, size_t size, ZSTD_sequenceFormat_e format)
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{
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size_t i;
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size_t j;
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for(i = 0; i < seqsSize; ++i) {
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assert(dst + seqs[i].litLength + seqs[i].matchLength <= dst + size);
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assert(src + seqs[i].litLength + seqs[i].matchLength <= src + size);
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if (format == ZSTD_sf_noBlockDelimiters) {
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assert(seqs[i].matchLength != 0 || seqs[i].offset != 0);
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}
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memcpy(dst, src, seqs[i].litLength);
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dst += seqs[i].litLength;
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src += seqs[i].litLength;
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size -= seqs[i].litLength;
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if (seqs[i].offset != 0) {
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for (j = 0; j < seqs[i].matchLength; ++j)
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dst[j] = dst[(ptrdiff_t)(j - seqs[i].offset)];
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dst += seqs[i].matchLength;
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src += seqs[i].matchLength;
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size -= seqs[i].matchLength;
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}
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}
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if (format == ZSTD_sf_noBlockDelimiters) {
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memcpy(dst, src, size);
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}
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}
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#ifdef ZSTD_MULTITHREAD
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typedef struct {
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ZSTD_CCtx* cctx;
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ZSTD_threadPool* pool;
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void* CNBuffer;
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size_t CNBuffSize;
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void* compressedBuffer;
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size_t compressedBufferSize;
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void* decodedBuffer;
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int err;
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} threadPoolTests_compressionJob_payload;
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static void* threadPoolTests_compressionJob(void* payload) {
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threadPoolTests_compressionJob_payload* args = (threadPoolTests_compressionJob_payload*)payload;
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size_t cSize;
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if (ZSTD_isError(ZSTD_CCtx_refThreadPool(args->cctx, args->pool))) args->err = 1;
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cSize = ZSTD_compress2(args->cctx, args->compressedBuffer, args->compressedBufferSize, args->CNBuffer, args->CNBuffSize);
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if (ZSTD_isError(cSize)) args->err = 1;
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if (ZSTD_isError(ZSTD_decompress(args->decodedBuffer, args->CNBuffSize, args->compressedBuffer, cSize))) args->err = 1;
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return payload;
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}
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static int threadPoolTests(void) {
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int testResult = 0;
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size_t err;
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size_t const CNBuffSize = 5 MB;
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void* const CNBuffer = malloc(CNBuffSize);
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size_t const compressedBufferSize = ZSTD_compressBound(CNBuffSize);
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void* const compressedBuffer = malloc(compressedBufferSize);
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void* const decodedBuffer = malloc(CNBuffSize);
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size_t const kPoolNumThreads = 8;
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RDG_genBuffer(CNBuffer, CNBuffSize, 0.5, 0.5, 0);
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DISPLAYLEVEL(3, "thread pool test : threadPool reuse roundtrips: ");
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{
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ZSTD_CCtx* cctx = ZSTD_createCCtx();
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ZSTD_threadPool* pool = ZSTD_createThreadPool(kPoolNumThreads);
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size_t nbThreads = 1;
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for (; nbThreads <= kPoolNumThreads; ++nbThreads) {
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ZSTD_CCtx_reset(cctx, ZSTD_reset_session_and_parameters);
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ZSTD_CCtx_setParameter(cctx, ZSTD_c_nbWorkers, (int)nbThreads);
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err = ZSTD_CCtx_refThreadPool(cctx, pool);
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if (ZSTD_isError(err)) {
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DISPLAYLEVEL(3, "refThreadPool error!\n");
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ZSTD_freeCCtx(cctx);
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goto _output_error;
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}
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err = ZSTD_compress2(cctx, compressedBuffer, compressedBufferSize, CNBuffer, CNBuffSize);
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if (ZSTD_isError(err)) {
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DISPLAYLEVEL(3, "Compression error!\n");
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ZSTD_freeCCtx(cctx);
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goto _output_error;
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}
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err = ZSTD_decompress(decodedBuffer, CNBuffSize, compressedBuffer, err);
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if (ZSTD_isError(err)) {
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DISPLAYLEVEL(3, "Decompression error!\n");
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ZSTD_freeCCtx(cctx);
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goto _output_error;
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}
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}
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ZSTD_freeCCtx(cctx);
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ZSTD_freeThreadPool(pool);
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}
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DISPLAYLEVEL(3, "OK \n");
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DISPLAYLEVEL(3, "thread pool test : threadPool simultaneous usage: ");
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{
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void* const decodedBuffer2 = malloc(CNBuffSize);
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void* const compressedBuffer2 = malloc(compressedBufferSize);
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ZSTD_threadPool* pool = ZSTD_createThreadPool(kPoolNumThreads);
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ZSTD_CCtx* cctx1 = ZSTD_createCCtx();
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ZSTD_CCtx* cctx2 = ZSTD_createCCtx();
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ZSTD_pthread_t t1;
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ZSTD_pthread_t t2;
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threadPoolTests_compressionJob_payload p1 = {cctx1, pool, CNBuffer, CNBuffSize,
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compressedBuffer, compressedBufferSize, decodedBuffer, 0 /* err */};
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threadPoolTests_compressionJob_payload p2 = {cctx2, pool, CNBuffer, CNBuffSize,
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compressedBuffer2, compressedBufferSize, decodedBuffer2, 0 /* err */};
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ZSTD_CCtx_setParameter(cctx1, ZSTD_c_nbWorkers, 2);
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ZSTD_CCtx_setParameter(cctx2, ZSTD_c_nbWorkers, 2);
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ZSTD_CCtx_refThreadPool(cctx1, pool);
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ZSTD_CCtx_refThreadPool(cctx2, pool);
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ZSTD_pthread_create(&t1, NULL, threadPoolTests_compressionJob, &p1);
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ZSTD_pthread_create(&t2, NULL, threadPoolTests_compressionJob, &p2);
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ZSTD_pthread_join(t1);
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ZSTD_pthread_join(t2);
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assert(!memcmp(decodedBuffer, decodedBuffer2, CNBuffSize));
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free(decodedBuffer2);
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free(compressedBuffer2);
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ZSTD_freeThreadPool(pool);
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ZSTD_freeCCtx(cctx1);
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ZSTD_freeCCtx(cctx2);
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|
|
if (p1.err || p2.err) goto _output_error;
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
_end:
|
|
free(CNBuffer);
|
|
free(compressedBuffer);
|
|
free(decodedBuffer);
|
|
return testResult;
|
|
|
|
_output_error:
|
|
testResult = 1;
|
|
DISPLAY("Error detected in Unit tests ! \n");
|
|
goto _end;
|
|
}
|
|
#endif /* ZSTD_MULTITHREAD */
|
|
|
|
/*=============================================
|
|
* Unit tests
|
|
=============================================*/
|
|
|
|
static void test_compressBound(unsigned tnb)
|
|
{
|
|
DISPLAYLEVEL(3, "test%3u : compressBound : ", tnb);
|
|
|
|
/* check ZSTD_compressBound == ZSTD_COMPRESSBOUND
|
|
* for a large range of known valid values */
|
|
DEBUG_STATIC_ASSERT(sizeof(size_t) >= 4);
|
|
{ int s;
|
|
for (s=0; s<30; s++) {
|
|
size_t const w = (size_t)1 << s;
|
|
CHECK_EQ(ZSTD_compressBound(w), ZSTD_COMPRESSBOUND(w));
|
|
} }
|
|
|
|
/* Ensure error if srcSize too big */
|
|
{ size_t const w = ZSTD_MAX_INPUT_SIZE + 1;
|
|
CHECK(ZSTD_isError(ZSTD_compressBound(w))); /* must fail */
|
|
CHECK_EQ(ZSTD_COMPRESSBOUND(w), 0);
|
|
}
|
|
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
}
|
|
|
|
static void test_decompressBound(unsigned tnb)
|
|
{
|
|
DISPLAYLEVEL(3, "test%3u : decompressBound : ", tnb);
|
|
|
|
/* Simple compression, with size : should provide size; */
|
|
{ const char example[] = "abcd";
|
|
char cBuffer[ZSTD_COMPRESSBOUND(sizeof(example))];
|
|
size_t const cSize = ZSTD_compress(cBuffer, sizeof(cBuffer), example, sizeof(example), 0);
|
|
CHECK_Z(cSize);
|
|
CHECK_EQ(ZSTD_decompressBound(cBuffer, cSize), (unsigned long long)sizeof(example));
|
|
}
|
|
|
|
/* Simple small compression without size : should provide 1 block size */
|
|
{ char cBuffer[ZSTD_COMPRESSBOUND(0)];
|
|
ZSTD_outBuffer out = { cBuffer, sizeof(cBuffer), 0 };
|
|
ZSTD_inBuffer in = { NULL, 0, 0 };
|
|
ZSTD_CCtx* const cctx = ZSTD_createCCtx();
|
|
assert(cctx);
|
|
CHECK_Z( ZSTD_initCStream(cctx, 0) );
|
|
CHECK_Z( ZSTD_compressStream(cctx, &out, &in) );
|
|
CHECK_EQ( ZSTD_endStream(cctx, &out), 0 );
|
|
CHECK_EQ( ZSTD_decompressBound(cBuffer, out.pos), ZSTD_BLOCKSIZE_MAX );
|
|
ZSTD_freeCCtx(cctx);
|
|
}
|
|
|
|
/* Attempt to overflow 32-bit intermediate multiplication result
|
|
* This requires dBound >= 4 GB, aka 2^32.
|
|
* This requires 2^32 / 2^17 = 2^15 blocks
|
|
* => create 2^15 blocks (can be empty, or just 1 byte). */
|
|
{ const char input[] = "a";
|
|
size_t const nbBlocks = (1 << 15) + 1;
|
|
size_t blockNb;
|
|
size_t const outCapacity = 1 << 18; /* large margin */
|
|
char* const outBuffer = malloc (outCapacity);
|
|
ZSTD_outBuffer out = { outBuffer, outCapacity, 0 };
|
|
ZSTD_CCtx* const cctx = ZSTD_createCCtx();
|
|
assert(cctx);
|
|
assert(outBuffer);
|
|
CHECK_Z( ZSTD_initCStream(cctx, 0) );
|
|
for (blockNb=0; blockNb<nbBlocks; blockNb++) {
|
|
ZSTD_inBuffer in = { input, sizeof(input), 0 };
|
|
CHECK_Z( ZSTD_compressStream(cctx, &out, &in) );
|
|
CHECK_EQ( ZSTD_flushStream(cctx, &out), 0 );
|
|
}
|
|
CHECK_EQ( ZSTD_endStream(cctx, &out), 0 );
|
|
CHECK( ZSTD_decompressBound(outBuffer, out.pos) > 0x100000000LLU /* 4 GB */ );
|
|
ZSTD_freeCCtx(cctx);
|
|
free(outBuffer);
|
|
}
|
|
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
}
|
|
|
|
static void test_setCParams(unsigned tnb)
|
|
{
|
|
ZSTD_CCtx* const cctx = ZSTD_createCCtx();
|
|
ZSTD_compressionParameters cparams;
|
|
assert(cctx);
|
|
|
|
DISPLAYLEVEL(3, "test%3u : ZSTD_CCtx_setCParams : ", tnb);
|
|
|
|
/* valid cparams */
|
|
cparams = ZSTD_getCParams(1, 0, 0);
|
|
CHECK_Z(ZSTD_CCtx_setCParams(cctx, cparams));
|
|
|
|
/* invalid cparams (must fail) */
|
|
cparams.windowLog = 99;
|
|
CHECK(ZSTD_isError(ZSTD_CCtx_setCParams(cctx, cparams)));
|
|
|
|
free(cctx);
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
}
|
|
|
|
static int basicUnitTests(U32 const seed, double compressibility)
|
|
{
|
|
size_t const CNBuffSize = 5 MB;
|
|
void* const CNBuffer = malloc(CNBuffSize);
|
|
size_t const compressedBufferSize = ZSTD_compressBound(CNBuffSize);
|
|
void* const compressedBuffer = malloc(compressedBufferSize);
|
|
void* const decodedBuffer = malloc(CNBuffSize);
|
|
int testResult = 0;
|
|
unsigned testNb=0;
|
|
size_t cSize;
|
|
|
|
/* Create compressible noise */
|
|
if (!CNBuffer || !compressedBuffer || !decodedBuffer) {
|
|
DISPLAY("Not enough memory, aborting\n");
|
|
testResult = 1;
|
|
goto _end;
|
|
}
|
|
RDG_genBuffer(CNBuffer, CNBuffSize, compressibility, 0., seed);
|
|
|
|
/* Basic tests */
|
|
DISPLAYLEVEL(3, "test%3u : ZSTD_getErrorName : ", testNb++);
|
|
{ const char* errorString = ZSTD_getErrorName(0);
|
|
DISPLAYLEVEL(3, "OK : %s \n", errorString);
|
|
}
|
|
|
|
DISPLAYLEVEL(3, "test%3u : ZSTD_getErrorName with wrong value : ", testNb++);
|
|
{ const char* errorString = ZSTD_getErrorName(499);
|
|
DISPLAYLEVEL(3, "OK : %s \n", errorString);
|
|
}
|
|
|
|
DISPLAYLEVEL(3, "test%3u : min compression level : ", testNb++);
|
|
{ int const mcl = ZSTD_minCLevel();
|
|
DISPLAYLEVEL(3, "%i (OK) \n", mcl);
|
|
}
|
|
|
|
DISPLAYLEVEL(3, "test%3u : default compression level : ", testNb++);
|
|
{ int const defaultCLevel = ZSTD_defaultCLevel();
|
|
if (defaultCLevel != ZSTD_CLEVEL_DEFAULT) goto _output_error;
|
|
DISPLAYLEVEL(3, "%i (OK) \n", defaultCLevel);
|
|
}
|
|
|
|
DISPLAYLEVEL(3, "test%3u : ZSTD_versionNumber : ", testNb++);
|
|
{ unsigned const vn = ZSTD_versionNumber();
|
|
DISPLAYLEVEL(3, "%u (OK) \n", vn);
|
|
}
|
|
|
|
test_compressBound(testNb++);
|
|
|
|
test_decompressBound(testNb++);
|
|
|
|
test_setCParams(testNb++);
|
|
|
|
DISPLAYLEVEL(3, "test%3u : ZSTD_adjustCParams : ", testNb++);
|
|
{
|
|
ZSTD_compressionParameters params;
|
|
memset(¶ms, 0, sizeof(params));
|
|
params.windowLog = 10;
|
|
params.hashLog = 19;
|
|
params.chainLog = 19;
|
|
params = ZSTD_adjustCParams(params, 1000, 100000);
|
|
if (params.hashLog != 18) goto _output_error;
|
|
if (params.chainLog != 17) goto _output_error;
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3u : compress %u bytes : ", testNb++, (unsigned)CNBuffSize);
|
|
{ ZSTD_CCtx* const cctx = ZSTD_createCCtx();
|
|
if (cctx==NULL) goto _output_error;
|
|
CHECK_VAR(cSize, ZSTD_compressCCtx(cctx,
|
|
compressedBuffer, compressedBufferSize,
|
|
CNBuffer, CNBuffSize, 1) );
|
|
DISPLAYLEVEL(3, "OK (%u bytes : %.2f%%)\n", (unsigned)cSize, (double)cSize/CNBuffSize*100);
|
|
|
|
DISPLAYLEVEL(3, "test%3i : size of cctx for level 1 : ", testNb++);
|
|
{ size_t const cctxSize = ZSTD_sizeof_CCtx(cctx);
|
|
DISPLAYLEVEL(3, "%u bytes \n", (unsigned)cctxSize);
|
|
}
|
|
ZSTD_freeCCtx(cctx);
|
|
}
|
|
|
|
DISPLAYLEVEL(3, "test%3i : decompress skippable frame -8 size : ", testNb++);
|
|
{
|
|
char const skippable8[] = "\x50\x2a\x4d\x18\xf8\xff\xff\xff";
|
|
size_t const size = ZSTD_decompress(NULL, 0, skippable8, 8);
|
|
if (!ZSTD_isError(size)) goto _output_error;
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : ZSTD_getFrameContentSize test : ", testNb++);
|
|
{ unsigned long long const rSize = ZSTD_getFrameContentSize(compressedBuffer, cSize);
|
|
if (rSize != CNBuffSize) goto _output_error;
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : ZSTD_getDecompressedSize test : ", testNb++);
|
|
{ unsigned long long const rSize = ZSTD_getDecompressedSize(compressedBuffer, cSize);
|
|
if (rSize != CNBuffSize) goto _output_error;
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : ZSTD_findDecompressedSize test : ", testNb++);
|
|
{ unsigned long long const rSize = ZSTD_findDecompressedSize(compressedBuffer, cSize);
|
|
if (rSize != CNBuffSize) goto _output_error;
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : tight ZSTD_decompressBound test : ", testNb++);
|
|
{
|
|
unsigned long long bound = ZSTD_decompressBound(compressedBuffer, cSize);
|
|
if (bound != CNBuffSize) goto _output_error;
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : ZSTD_decompressBound test with invalid srcSize : ", testNb++);
|
|
{
|
|
unsigned long long bound = ZSTD_decompressBound(compressedBuffer, cSize - 1);
|
|
if (bound != ZSTD_CONTENTSIZE_ERROR) goto _output_error;
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : decompress %u bytes : ", testNb++, (unsigned)CNBuffSize);
|
|
{ size_t const r = ZSTD_decompress(decodedBuffer, CNBuffSize, compressedBuffer, cSize);
|
|
if (r != CNBuffSize) goto _output_error; }
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : decompress %u bytes with Huffman assembly disabled : ", testNb++, (unsigned)CNBuffSize);
|
|
{
|
|
ZSTD_DCtx* dctx = ZSTD_createDCtx();
|
|
size_t r;
|
|
CHECK_Z(ZSTD_DCtx_setParameter(dctx, ZSTD_d_disableHuffmanAssembly, 1));
|
|
r = ZSTD_decompress(decodedBuffer, CNBuffSize, compressedBuffer, cSize);
|
|
if (r != CNBuffSize || memcmp(decodedBuffer, CNBuffer, CNBuffSize)) goto _output_error;
|
|
ZSTD_freeDCtx(dctx);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : check decompressed result : ", testNb++);
|
|
{ size_t u;
|
|
for (u=0; u<CNBuffSize; u++) {
|
|
if (((BYTE*)decodedBuffer)[u] != ((BYTE*)CNBuffer)[u]) goto _output_error;
|
|
} }
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3u : invalid endDirective : ", testNb++);
|
|
{ ZSTD_CCtx* const cctx = ZSTD_createCCtx();
|
|
ZSTD_inBuffer inb = { CNBuffer, CNBuffSize, 0 };
|
|
ZSTD_outBuffer outb = { compressedBuffer, compressedBufferSize, 0 };
|
|
if (cctx==NULL) goto _output_error;
|
|
CHECK( ZSTD_isError( ZSTD_compressStream2(cctx, &outb, &inb, (ZSTD_EndDirective) 3) ) ); /* must fail */
|
|
CHECK( ZSTD_isError( ZSTD_compressStream2(cctx, &outb, &inb, (ZSTD_EndDirective)-1) ) ); /* must fail */
|
|
ZSTD_freeCCtx(cctx);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : ZSTD_checkCParams : ", testNb++);
|
|
{
|
|
ZSTD_parameters params = ZSTD_getParams(3, 0, 0);
|
|
assert(!ZSTD_checkCParams(params.cParams));
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : ZSTD_createDCtx_advanced and ZSTD_sizeof_DCtx: ", testNb++);
|
|
{
|
|
ZSTD_DCtx* const dctx = ZSTD_createDCtx_advanced(ZSTD_defaultCMem);
|
|
assert(dctx != NULL);
|
|
assert(ZSTD_sizeof_DCtx(dctx) != 0);
|
|
ZSTD_freeDCtx(dctx);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : misc unaccounted for zstd symbols : ", testNb++);
|
|
{
|
|
/* %p takes a void*. In ISO C, it's illegal to cast a function pointer
|
|
* to a data pointer. (Although in POSIX you're required to be allowed
|
|
* to do it...) So we have to fall back to our trusty friend memcpy. */
|
|
unsigned (* const funcptr_getDictID)(const ZSTD_DDict* ddict) =
|
|
ZSTD_getDictID_fromDDict;
|
|
ZSTD_DStream* (* const funcptr_createDStream)(
|
|
ZSTD_customMem customMem) = ZSTD_createDStream_advanced;
|
|
void (* const funcptr_copyDCtx)(
|
|
ZSTD_DCtx* dctx, const ZSTD_DCtx* preparedDCtx) = ZSTD_copyDCtx;
|
|
ZSTD_nextInputType_e (* const funcptr_nextInputType)(ZSTD_DCtx* dctx) =
|
|
ZSTD_nextInputType;
|
|
const void *voidptr_getDictID;
|
|
const void *voidptr_createDStream;
|
|
const void *voidptr_copyDCtx;
|
|
const void *voidptr_nextInputType;
|
|
DEBUG_STATIC_ASSERT(sizeof(funcptr_getDictID) == sizeof(voidptr_getDictID));
|
|
memcpy(
|
|
(void*)&voidptr_getDictID,
|
|
(const void*)&funcptr_getDictID,
|
|
sizeof(void*));
|
|
memcpy(
|
|
(void*)&voidptr_createDStream,
|
|
(const void*)&funcptr_createDStream,
|
|
sizeof(void*));
|
|
memcpy(
|
|
(void*)&voidptr_copyDCtx,
|
|
(const void*)&funcptr_copyDCtx,
|
|
sizeof(void*));
|
|
memcpy(
|
|
(void*)&voidptr_nextInputType,
|
|
(const void*)&funcptr_nextInputType,
|
|
sizeof(void*));
|
|
DISPLAYLEVEL(3, "%p ", voidptr_getDictID);
|
|
DISPLAYLEVEL(3, "%p ", voidptr_createDStream);
|
|
DISPLAYLEVEL(3, "%p ", voidptr_copyDCtx);
|
|
DISPLAYLEVEL(3, "%p ", voidptr_nextInputType);
|
|
}
|
|
DISPLAYLEVEL(3, ": OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : decompress with null dict : ", testNb++);
|
|
{ ZSTD_DCtx* const dctx = ZSTD_createDCtx(); assert(dctx != NULL);
|
|
{ size_t const r = ZSTD_decompress_usingDict(dctx,
|
|
decodedBuffer, CNBuffSize,
|
|
compressedBuffer, cSize,
|
|
NULL, 0);
|
|
if (r != CNBuffSize) goto _output_error;
|
|
}
|
|
ZSTD_freeDCtx(dctx);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : decompress with null DDict : ", testNb++);
|
|
{ ZSTD_DCtx* const dctx = ZSTD_createDCtx(); assert(dctx != NULL);
|
|
{ size_t const r = ZSTD_decompress_usingDDict(dctx,
|
|
decodedBuffer, CNBuffSize,
|
|
compressedBuffer, cSize,
|
|
NULL);
|
|
if (r != CNBuffSize) goto _output_error;
|
|
}
|
|
ZSTD_freeDCtx(dctx);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : decompress with 1 missing byte : ", testNb++);
|
|
{ size_t const r = ZSTD_decompress(decodedBuffer, CNBuffSize, compressedBuffer, cSize-1);
|
|
if (!ZSTD_isError(r)) goto _output_error;
|
|
if (ZSTD_getErrorCode((size_t)r) != ZSTD_error_srcSize_wrong) goto _output_error; }
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : decompress with 1 too much byte : ", testNb++);
|
|
{ size_t const r = ZSTD_decompress(decodedBuffer, CNBuffSize, compressedBuffer, cSize+1);
|
|
if (!ZSTD_isError(r)) goto _output_error;
|
|
if (ZSTD_getErrorCode(r) != ZSTD_error_srcSize_wrong) goto _output_error; }
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : decompress too large input : ", testNb++);
|
|
{ size_t const r = ZSTD_decompress(decodedBuffer, CNBuffSize, compressedBuffer, compressedBufferSize);
|
|
if (!ZSTD_isError(r)) goto _output_error;
|
|
if (ZSTD_getErrorCode(r) != ZSTD_error_srcSize_wrong) goto _output_error; }
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : decompress into NULL buffer : ", testNb++);
|
|
{ size_t const r = ZSTD_decompress(NULL, 0, compressedBuffer, compressedBufferSize);
|
|
if (!ZSTD_isError(r)) goto _output_error;
|
|
if (ZSTD_getErrorCode(r) != ZSTD_error_dstSize_tooSmall) goto _output_error; }
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : decompress with corrupted checksum : ", testNb++);
|
|
{ /* create compressed buffer with checksumming enabled */
|
|
ZSTD_CCtx* const cctx = ZSTD_createCCtx();
|
|
if (!cctx) {
|
|
DISPLAY("Not enough memory, aborting\n");
|
|
testResult = 1;
|
|
goto _end;
|
|
}
|
|
CHECK_Z( ZSTD_CCtx_setParameter(cctx, ZSTD_c_checksumFlag, 1) );
|
|
CHECK_VAR(cSize, ZSTD_compress2(cctx,
|
|
compressedBuffer, compressedBufferSize,
|
|
CNBuffer, CNBuffSize) );
|
|
ZSTD_freeCCtx(cctx);
|
|
}
|
|
{ /* copy the compressed buffer and corrupt the checksum */
|
|
size_t r;
|
|
ZSTD_DCtx* const dctx = ZSTD_createDCtx();
|
|
if (!dctx) {
|
|
DISPLAY("Not enough memory, aborting\n");
|
|
testResult = 1;
|
|
goto _end;
|
|
}
|
|
|
|
((char*)compressedBuffer)[cSize-1] += 1;
|
|
r = ZSTD_decompress(decodedBuffer, CNBuffSize, compressedBuffer, cSize);
|
|
if (!ZSTD_isError(r)) goto _output_error;
|
|
if (ZSTD_getErrorCode(r) != ZSTD_error_checksum_wrong) goto _output_error;
|
|
|
|
CHECK_Z(ZSTD_DCtx_setParameter(dctx, ZSTD_d_forceIgnoreChecksum, ZSTD_d_ignoreChecksum));
|
|
r = ZSTD_decompressDCtx(dctx, decodedBuffer, CNBuffSize, compressedBuffer, cSize-1);
|
|
if (!ZSTD_isError(r)) goto _output_error; /* wrong checksum size should still throw error */
|
|
r = ZSTD_decompressDCtx(dctx, decodedBuffer, CNBuffSize, compressedBuffer, cSize);
|
|
if (ZSTD_isError(r)) goto _output_error;
|
|
|
|
ZSTD_freeDCtx(dctx);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
|
|
DISPLAYLEVEL(3, "test%3i : ZSTD_decompressBound test with content size missing : ", testNb++);
|
|
{ /* create compressed buffer with content size missing */
|
|
ZSTD_CCtx* const cctx = ZSTD_createCCtx();
|
|
CHECK_Z( ZSTD_CCtx_setParameter(cctx, ZSTD_c_contentSizeFlag, 0) );
|
|
CHECK_VAR(cSize, ZSTD_compress2(cctx,
|
|
compressedBuffer, compressedBufferSize,
|
|
CNBuffer, CNBuffSize) );
|
|
ZSTD_freeCCtx(cctx);
|
|
}
|
|
{ /* ensure frame content size is missing */
|
|
ZSTD_frameHeader zfh;
|
|
size_t const ret = ZSTD_getFrameHeader(&zfh, compressedBuffer, compressedBufferSize);
|
|
if (ret != 0 || zfh.frameContentSize != ZSTD_CONTENTSIZE_UNKNOWN) goto _output_error;
|
|
}
|
|
{ /* ensure CNBuffSize <= decompressBound */
|
|
unsigned long long const bound = ZSTD_decompressBound(compressedBuffer, compressedBufferSize);
|
|
if (CNBuffSize > bound) goto _output_error;
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3d: check DCtx size is reduced after many oversized calls : ", testNb++);
|
|
{
|
|
size_t const largeFrameSrcSize = 200;
|
|
size_t const smallFrameSrcSize = 10;
|
|
size_t const nbFrames = 256;
|
|
|
|
size_t i = 0, consumed = 0, produced = 0, prevDCtxSize = 0;
|
|
int sizeReduced = 0;
|
|
|
|
BYTE* const dst = (BYTE*)compressedBuffer;
|
|
ZSTD_DCtx* dctx = ZSTD_createDCtx();
|
|
|
|
/* create a large frame and then a bunch of small frames */
|
|
size_t srcSize = ZSTD_compress((void*)dst,
|
|
compressedBufferSize, CNBuffer, largeFrameSrcSize, 3);
|
|
for (i = 0; i < nbFrames; i++)
|
|
srcSize += ZSTD_compress((void*)(dst + srcSize),
|
|
compressedBufferSize - srcSize, CNBuffer,
|
|
smallFrameSrcSize, 3);
|
|
|
|
/* decompressStream and make sure that dctx size was reduced at least once */
|
|
while (consumed < srcSize) {
|
|
ZSTD_inBuffer in = {(void*)(dst + consumed), MIN(1, srcSize - consumed), 0};
|
|
ZSTD_outBuffer out = {(BYTE*)CNBuffer + produced, CNBuffSize - produced, 0};
|
|
ZSTD_decompressStream(dctx, &out, &in);
|
|
consumed += in.pos;
|
|
produced += out.pos;
|
|
|
|
/* success! size was reduced from the previous frame */
|
|
if (prevDCtxSize > ZSTD_sizeof_DCtx(dctx))
|
|
sizeReduced = 1;
|
|
|
|
prevDCtxSize = ZSTD_sizeof_DCtx(dctx);
|
|
}
|
|
|
|
assert(sizeReduced);
|
|
|
|
ZSTD_freeDCtx(dctx);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
{
|
|
ZSTD_CCtx* const cctx = ZSTD_createCCtx();
|
|
ZSTD_CDict* const cdict = ZSTD_createCDict(CNBuffer, 100, 1);
|
|
ZSTD_parameters const params = ZSTD_getParams(1, 0, 0);
|
|
CHECK_Z( ZSTD_CCtx_setParameter(cctx, ZSTD_c_format, ZSTD_f_zstd1_magicless) );
|
|
|
|
DISPLAYLEVEL(3, "test%3i : ZSTD_compressCCtx() doesn't use advanced parameters", testNb++);
|
|
CHECK_Z(ZSTD_compressCCtx(cctx, compressedBuffer, compressedBufferSize, NULL, 0, 1));
|
|
if (MEM_readLE32(compressedBuffer) != ZSTD_MAGICNUMBER) goto _output_error;
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : ZSTD_compress_usingDict() doesn't use advanced parameters: ", testNb++);
|
|
CHECK_Z(ZSTD_compress_usingDict(cctx, compressedBuffer, compressedBufferSize, NULL, 0, NULL, 0, 1));
|
|
if (MEM_readLE32(compressedBuffer) != ZSTD_MAGICNUMBER) goto _output_error;
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : ZSTD_compress_usingCDict() doesn't use advanced parameters: ", testNb++);
|
|
CHECK_Z(ZSTD_compress_usingCDict(cctx, compressedBuffer, compressedBufferSize, NULL, 0, cdict));
|
|
if (MEM_readLE32(compressedBuffer) != ZSTD_MAGICNUMBER) goto _output_error;
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : ZSTD_compress_advanced() doesn't use advanced parameters: ", testNb++);
|
|
CHECK_Z(ZSTD_compress_advanced(cctx, compressedBuffer, compressedBufferSize, NULL, 0, NULL, 0, params));
|
|
if (MEM_readLE32(compressedBuffer) != ZSTD_MAGICNUMBER) goto _output_error;
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : ZSTD_compress_usingCDict_advanced() doesn't use advanced parameters: ", testNb++);
|
|
CHECK_Z(ZSTD_compress_usingCDict_advanced(cctx, compressedBuffer, compressedBufferSize, NULL, 0, cdict, params.fParams));
|
|
if (MEM_readLE32(compressedBuffer) != ZSTD_MAGICNUMBER) goto _output_error;
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
ZSTD_freeCDict(cdict);
|
|
ZSTD_freeCCtx(cctx);
|
|
}
|
|
|
|
DISPLAYLEVEL(3, "test%3i : maxBlockSize = 2K", testNb++);
|
|
{
|
|
ZSTD_CCtx* cctx = ZSTD_createCCtx();
|
|
ZSTD_DCtx* dctx = ZSTD_createDCtx();
|
|
CHECK_Z(ZSTD_CCtx_setParameter(cctx, ZSTD_c_checksumFlag, 1));
|
|
CHECK_Z(ZSTD_CCtx_setParameter(cctx, ZSTD_c_maxBlockSize, 2048));
|
|
CHECK_Z(ZSTD_DCtx_setParameter(dctx, ZSTD_d_maxBlockSize, 2048));
|
|
|
|
cSize = ZSTD_compress2(cctx, compressedBuffer, compressedBufferSize, CNBuffer, CNBuffSize);
|
|
CHECK_Z(cSize);
|
|
CHECK_Z(ZSTD_decompressDCtx(dctx, decodedBuffer, CNBuffSize, compressedBuffer, cSize));
|
|
|
|
CHECK_Z(ZSTD_DCtx_setParameter(dctx, ZSTD_d_maxBlockSize, 1024));
|
|
CHECK(ZSTD_isError(ZSTD_decompressDCtx(dctx, decodedBuffer, CNBuffSize, compressedBuffer, cSize)));
|
|
|
|
ZSTD_freeDCtx(dctx);
|
|
ZSTD_freeCCtx(cctx);
|
|
}
|
|
|
|
DISPLAYLEVEL(3, "test%3i : ldm fill dict out-of-bounds check", testNb++);
|
|
{
|
|
ZSTD_CCtx* const cctx = ZSTD_createCCtx();
|
|
|
|
size_t const size = (1U << 10);
|
|
size_t const dstCapacity = ZSTD_compressBound(size);
|
|
void* dict = (void*)malloc(size);
|
|
void* src = (void*)malloc(size);
|
|
void* dst = (void*)malloc(dstCapacity);
|
|
|
|
RDG_genBuffer(dict, size, 0.5, 0.5, seed);
|
|
RDG_genBuffer(src, size, 0.5, 0.5, seed);
|
|
|
|
CHECK_Z(ZSTD_CCtx_setParameter(cctx, ZSTD_c_enableLongDistanceMatching, ZSTD_ps_enable));
|
|
assert(!ZSTD_isError(ZSTD_compress_usingDict(cctx, dst, dstCapacity, src, size, dict, size, 3)));
|
|
|
|
ZSTD_freeCCtx(cctx);
|
|
free(dict);
|
|
free(src);
|
|
free(dst);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : testing dict compression with enableLdm and forceMaxWindow : ", testNb++);
|
|
{
|
|
ZSTD_CCtx* const cctx = ZSTD_createCCtx();
|
|
ZSTD_DCtx* const dctx = ZSTD_createDCtx();
|
|
void* dict = (void*)malloc(CNBuffSize);
|
|
int nbWorkers;
|
|
|
|
for (nbWorkers = 0; nbWorkers < 3; ++nbWorkers) {
|
|
RDG_genBuffer(dict, CNBuffSize, 0.5, 0.5, seed);
|
|
RDG_genBuffer(CNBuffer, CNBuffSize, 0.6, 0.6, seed);
|
|
|
|
CHECK_Z(ZSTD_CCtx_setParameter(cctx, ZSTD_c_nbWorkers, nbWorkers));
|
|
CHECK_Z(ZSTD_CCtx_setParameter(cctx, ZSTD_c_checksumFlag, 1));
|
|
CHECK_Z(ZSTD_CCtx_setParameter(cctx, ZSTD_c_forceMaxWindow, 1));
|
|
CHECK_Z(ZSTD_CCtx_setParameter(cctx, ZSTD_c_enableLongDistanceMatching, ZSTD_ps_enable));
|
|
CHECK_Z(ZSTD_CCtx_refPrefix(cctx, dict, CNBuffSize));
|
|
cSize = ZSTD_compress2(cctx, compressedBuffer, compressedBufferSize, CNBuffer, CNBuffSize);
|
|
CHECK_Z(cSize);
|
|
CHECK_Z(ZSTD_decompress_usingDict(dctx, decodedBuffer, CNBuffSize, compressedBuffer, cSize, dict, CNBuffSize));
|
|
}
|
|
|
|
ZSTD_freeCCtx(cctx);
|
|
ZSTD_freeDCtx(dctx);
|
|
free(dict);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : testing dict compression for determinism : ", testNb++);
|
|
{
|
|
size_t const testSize = 1024;
|
|
ZSTD_CCtx* const cctx = ZSTD_createCCtx();
|
|
ZSTD_DCtx* const dctx = ZSTD_createDCtx();
|
|
char* dict = (char*)malloc(2 * testSize);
|
|
int ldmEnabled, level;
|
|
|
|
RDG_genBuffer(dict, testSize, 0.5, 0.5, seed);
|
|
RDG_genBuffer(CNBuffer, testSize, 0.6, 0.6, seed);
|
|
memcpy(dict + testSize, CNBuffer, testSize);
|
|
for (level = 1; level <= 5; ++level) {
|
|
for (ldmEnabled = ZSTD_ps_enable; ldmEnabled <= ZSTD_ps_disable; ++ldmEnabled) {
|
|
size_t cSize0;
|
|
XXH64_hash_t compressedChecksum0;
|
|
|
|
CHECK_Z(ZSTD_CCtx_setParameter(cctx, ZSTD_c_checksumFlag, 1));
|
|
CHECK_Z(ZSTD_CCtx_setParameter(cctx, ZSTD_c_compressionLevel, level));
|
|
CHECK_Z(ZSTD_CCtx_setParameter(cctx, ZSTD_c_enableLongDistanceMatching, ldmEnabled));
|
|
CHECK_Z(ZSTD_CCtx_setParameter(cctx, ZSTD_c_deterministicRefPrefix, 1));
|
|
|
|
CHECK_Z(ZSTD_CCtx_refPrefix(cctx, dict, testSize));
|
|
cSize = ZSTD_compress2(cctx, compressedBuffer, compressedBufferSize, CNBuffer, testSize);
|
|
CHECK_Z(cSize);
|
|
CHECK_Z(ZSTD_decompress_usingDict(dctx, decodedBuffer, testSize, compressedBuffer, cSize, dict, testSize));
|
|
|
|
cSize0 = cSize;
|
|
compressedChecksum0 = XXH64(compressedBuffer, cSize, 0);
|
|
|
|
CHECK_Z(ZSTD_CCtx_refPrefix(cctx, dict, testSize));
|
|
cSize = ZSTD_compress2(cctx, compressedBuffer, compressedBufferSize, dict + testSize, testSize);
|
|
CHECK_Z(cSize);
|
|
|
|
if (cSize != cSize0) goto _output_error;
|
|
if (XXH64(compressedBuffer, cSize, 0) != compressedChecksum0) goto _output_error;
|
|
}
|
|
}
|
|
|
|
ZSTD_freeCCtx(cctx);
|
|
ZSTD_freeDCtx(dctx);
|
|
free(dict);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : LDM + opt parser with small uncompressible block ", testNb++);
|
|
{ ZSTD_CCtx* cctx = ZSTD_createCCtx();
|
|
ZSTD_DCtx* dctx = ZSTD_createDCtx();
|
|
size_t const srcSize = 300 KB;
|
|
size_t const flushSize = 128 KB + 5;
|
|
size_t const dstSize = ZSTD_compressBound(srcSize);
|
|
char* src = (char*)CNBuffer;
|
|
char* dst = (char*)compressedBuffer;
|
|
|
|
ZSTD_outBuffer out = { dst, dstSize, 0 };
|
|
ZSTD_inBuffer in = { src, flushSize, 0 };
|
|
|
|
if (!cctx || !dctx) {
|
|
DISPLAY("Not enough memory, aborting\n");
|
|
testResult = 1;
|
|
goto _end;
|
|
}
|
|
|
|
RDG_genBuffer(src, srcSize, 0.5, 0.5, seed);
|
|
/* Force an LDM to exist that crosses block boundary into uncompressible block */
|
|
memcpy(src + 125 KB, src, 3 KB + 5);
|
|
|
|
/* Enable MT, LDM, and opt parser */
|
|
CHECK_Z(ZSTD_CCtx_setParameter(cctx, ZSTD_c_nbWorkers, 1));
|
|
CHECK_Z(ZSTD_CCtx_setParameter(cctx, ZSTD_c_enableLongDistanceMatching, ZSTD_ps_enable));
|
|
CHECK_Z(ZSTD_CCtx_setParameter(cctx, ZSTD_c_checksumFlag, 1));
|
|
CHECK_Z(ZSTD_CCtx_setParameter(cctx, ZSTD_c_compressionLevel, 19));
|
|
|
|
/* Flushes a block of 128 KB and block of 5 bytes */
|
|
CHECK_Z(ZSTD_compressStream2(cctx, &out, &in, ZSTD_e_flush));
|
|
|
|
/* Compress the rest */
|
|
in.size = 300 KB;
|
|
CHECK_Z(ZSTD_compressStream2(cctx, &out, &in, ZSTD_e_end));
|
|
|
|
CHECK_Z(ZSTD_decompress(decodedBuffer, CNBuffSize, dst, out.pos));
|
|
|
|
ZSTD_freeCCtx(cctx);
|
|
ZSTD_freeDCtx(dctx);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : testing ldm dictionary gets invalidated : ", testNb++);
|
|
{
|
|
ZSTD_CCtx* const cctx = ZSTD_createCCtx();
|
|
ZSTD_DCtx* const dctx = ZSTD_createDCtx();
|
|
void* dict = (void*)malloc(CNBuffSize);
|
|
size_t const kWindowLog = 10;
|
|
size_t const kWindowSize = (size_t)1 << kWindowLog;
|
|
size_t const dictSize = kWindowSize * 10;
|
|
size_t const srcSize1 = kWindowSize / 2;
|
|
size_t const srcSize2 = kWindowSize * 10;
|
|
|
|
CHECK(cctx!=NULL);
|
|
CHECK(dctx!=NULL);
|
|
CHECK(dict!=NULL);
|
|
if (CNBuffSize < dictSize) goto _output_error;
|
|
|
|
RDG_genBuffer(dict, dictSize, 0.5, 0.5, seed);
|
|
RDG_genBuffer(CNBuffer, srcSize1 + srcSize2, 0.5, 0.5, seed);
|
|
|
|
/* Enable checksum to verify round trip. */
|
|
CHECK_Z(ZSTD_CCtx_setParameter(cctx, ZSTD_c_checksumFlag, 1));
|
|
/* Disable content size to skip single-pass decompression. */
|
|
CHECK_Z(ZSTD_CCtx_setParameter(cctx, ZSTD_c_contentSizeFlag, 0));
|
|
CHECK_Z(ZSTD_CCtx_setParameter(cctx, ZSTD_c_windowLog, (int)kWindowLog));
|
|
CHECK_Z(ZSTD_CCtx_setParameter(cctx, ZSTD_c_enableLongDistanceMatching, ZSTD_ps_enable));
|
|
CHECK_Z(ZSTD_CCtx_setParameter(cctx, ZSTD_c_ldmMinMatch, 32));
|
|
CHECK_Z(ZSTD_CCtx_setParameter(cctx, ZSTD_c_ldmHashRateLog, 1));
|
|
CHECK_Z(ZSTD_CCtx_setParameter(cctx, ZSTD_c_ldmHashLog, 16));
|
|
CHECK_Z(ZSTD_CCtx_setParameter(cctx, ZSTD_c_ldmBucketSizeLog, 3));
|
|
|
|
/* Round trip once with a dictionary. */
|
|
CHECK_Z(ZSTD_CCtx_refPrefix(cctx, dict, dictSize));
|
|
cSize = ZSTD_compress2(cctx, compressedBuffer, compressedBufferSize, CNBuffer, srcSize1);
|
|
CHECK_Z(cSize);
|
|
CHECK_Z(ZSTD_decompress_usingDict(dctx, decodedBuffer, CNBuffSize, compressedBuffer, cSize, dict, dictSize));
|
|
|
|
cSize = ZSTD_compress2(cctx, compressedBuffer, compressedBufferSize, CNBuffer, srcSize2);
|
|
/* Streaming decompression to catch out of bounds offsets. */
|
|
{
|
|
ZSTD_inBuffer in = {compressedBuffer, cSize, 0};
|
|
ZSTD_outBuffer out = {decodedBuffer, CNBuffSize, 0};
|
|
size_t const dSize = ZSTD_decompressStream(dctx, &out, &in);
|
|
CHECK_Z(dSize);
|
|
if (dSize != 0) goto _output_error;
|
|
}
|
|
|
|
CHECK_Z(ZSTD_CCtx_setParameter(cctx, ZSTD_c_nbWorkers, 2));
|
|
/* Round trip once with a dictionary. */
|
|
CHECK_Z(ZSTD_CCtx_refPrefix(cctx, dict, dictSize));
|
|
{ ZSTD_inBuffer in = {CNBuffer, srcSize1, 0};
|
|
ZSTD_outBuffer out = {compressedBuffer, compressedBufferSize, 0};
|
|
CHECK_Z(ZSTD_compressStream2(cctx, &out, &in, ZSTD_e_flush));
|
|
CHECK_Z(ZSTD_compressStream2(cctx, &out, &in, ZSTD_e_end));
|
|
cSize = out.pos;
|
|
}
|
|
CHECK_Z(ZSTD_decompress_usingDict(dctx, decodedBuffer, CNBuffSize, compressedBuffer, cSize, dict, dictSize));
|
|
|
|
{ ZSTD_inBuffer in = {CNBuffer, srcSize2, 0};
|
|
ZSTD_outBuffer out = {compressedBuffer, compressedBufferSize, 0};
|
|
CHECK_Z(ZSTD_compressStream2(cctx, &out, &in, ZSTD_e_flush));
|
|
CHECK_Z(ZSTD_compressStream2(cctx, &out, &in, ZSTD_e_end));
|
|
cSize = out.pos;
|
|
}
|
|
/* Streaming decompression to catch out of bounds offsets. */
|
|
{ ZSTD_inBuffer in = {compressedBuffer, cSize, 0};
|
|
ZSTD_outBuffer out = {decodedBuffer, CNBuffSize, 0};
|
|
size_t const dSize = ZSTD_decompressStream(dctx, &out, &in);
|
|
CHECK_Z(dSize);
|
|
if (dSize != 0) goto _output_error;
|
|
}
|
|
|
|
ZSTD_freeCCtx(cctx);
|
|
ZSTD_freeDCtx(dctx);
|
|
free(dict);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
/* Note: this test takes 0.5 seconds to run */
|
|
DISPLAYLEVEL(3, "test%3i : testing refPrefx vs refPrefx + ldm (size comparison) : ", testNb++);
|
|
{
|
|
/* test a big buffer so that ldm can take effect */
|
|
size_t const size = 100 MB;
|
|
int const windowLog = 27;
|
|
size_t const dstSize = ZSTD_compressBound(size);
|
|
|
|
void* dict = (void*)malloc(size);
|
|
void* src = (void*)malloc(size);
|
|
void* dst = (void*)malloc(dstSize);
|
|
void* recon = (void*)malloc(size);
|
|
|
|
size_t refPrefixCompressedSize = 0;
|
|
size_t refPrefixLdmCompressedSize = 0;
|
|
size_t reconSize = 0;
|
|
|
|
ZSTD_CCtx* const cctx = ZSTD_createCCtx();
|
|
ZSTD_DCtx* const dctx = ZSTD_createDCtx();
|
|
|
|
/* make dict and src the same uncompressible data */
|
|
RDG_genBuffer(src, size, 0, 0, seed);
|
|
memcpy(dict, src, size);
|
|
assert(!memcmp(dict, src, size));
|
|
|
|
/* set level 1 and windowLog to cover src */
|
|
CHECK_Z(ZSTD_CCtx_setParameter(cctx, ZSTD_c_compressionLevel, 1));
|
|
CHECK_Z(ZSTD_CCtx_setParameter(cctx, ZSTD_c_windowLog, windowLog));
|
|
|
|
/* compress on level 1 using just refPrefix and no ldm */
|
|
ZSTD_CCtx_refPrefix(cctx, dict, size);
|
|
refPrefixCompressedSize = ZSTD_compress2(cctx, dst, dstSize, src, size);
|
|
assert(!ZSTD_isError(refPrefixCompressedSize));
|
|
|
|
/* test round trip just refPrefix */
|
|
ZSTD_DCtx_refPrefix(dctx, dict, size);
|
|
reconSize = ZSTD_decompressDCtx(dctx, recon, size, dst, refPrefixCompressedSize);
|
|
assert(!ZSTD_isError(reconSize));
|
|
assert(reconSize == size);
|
|
assert(!memcmp(recon, src, size));
|
|
|
|
/* compress on level 1 using refPrefix and ldm */
|
|
ZSTD_CCtx_refPrefix(cctx, dict, size);;
|
|
CHECK_Z(ZSTD_CCtx_setParameter(cctx, ZSTD_c_enableLongDistanceMatching, ZSTD_ps_enable))
|
|
refPrefixLdmCompressedSize = ZSTD_compress2(cctx, dst, dstSize, src, size);
|
|
assert(!ZSTD_isError(refPrefixLdmCompressedSize));
|
|
|
|
/* test round trip refPrefix + ldm*/
|
|
ZSTD_DCtx_refPrefix(dctx, dict, size);
|
|
reconSize = ZSTD_decompressDCtx(dctx, recon, size, dst, refPrefixLdmCompressedSize);
|
|
assert(!ZSTD_isError(reconSize));
|
|
assert(reconSize == size);
|
|
assert(!memcmp(recon, src, size));
|
|
|
|
/* make sure that refPrefixCompressedSize is significantly greater */
|
|
assert(refPrefixCompressedSize > 10 * refPrefixLdmCompressedSize);
|
|
/* make sure the ldm compressed size is less than 1% of original */
|
|
assert((double)refPrefixLdmCompressedSize / (double)size < 0.01);
|
|
|
|
ZSTD_freeDCtx(dctx);
|
|
ZSTD_freeCCtx(cctx);
|
|
free(recon);
|
|
free(dict);
|
|
free(src);
|
|
free(dst);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : in-place decompression : ", testNb++);
|
|
cSize = ZSTD_compress(compressedBuffer, compressedBufferSize, CNBuffer, CNBuffSize, -ZSTD_BLOCKSIZE_MAX);
|
|
CHECK_Z(cSize);
|
|
CHECK_LT(CNBuffSize, cSize);
|
|
{
|
|
size_t const margin = ZSTD_decompressionMargin(compressedBuffer, cSize);
|
|
size_t const outputSize = (CNBuffSize + margin);
|
|
char* output = malloc(outputSize);
|
|
char* input = output + outputSize - cSize;
|
|
CHECK_LT(cSize, CNBuffSize + margin);
|
|
CHECK(output != NULL);
|
|
CHECK_Z(margin);
|
|
CHECK(margin <= ZSTD_DECOMPRESSION_MARGIN(CNBuffSize, ZSTD_BLOCKSIZE_MAX));
|
|
memcpy(input, compressedBuffer, cSize);
|
|
|
|
{
|
|
size_t const dSize = ZSTD_decompress(output, outputSize, input, cSize);
|
|
CHECK_Z(dSize);
|
|
CHECK_EQ(dSize, CNBuffSize);
|
|
}
|
|
CHECK(!memcmp(output, CNBuffer, CNBuffSize));
|
|
free(output);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : in-place decompression with 2 frames : ", testNb++);
|
|
cSize = ZSTD_compress(compressedBuffer, compressedBufferSize, CNBuffer, CNBuffSize / 3, -ZSTD_BLOCKSIZE_MAX);
|
|
CHECK_Z(cSize);
|
|
{
|
|
size_t const cSize2 = ZSTD_compress((char*)compressedBuffer + cSize, compressedBufferSize - cSize, (char const*)CNBuffer + (CNBuffSize / 3), CNBuffSize / 3, -ZSTD_BLOCKSIZE_MAX);
|
|
CHECK_Z(cSize2);
|
|
cSize += cSize2;
|
|
}
|
|
{
|
|
size_t const srcSize = (CNBuffSize / 3) * 2;
|
|
size_t const margin = ZSTD_decompressionMargin(compressedBuffer, cSize);
|
|
size_t const outputSize = (CNBuffSize + margin);
|
|
char* output = malloc(outputSize);
|
|
char* input = output + outputSize - cSize;
|
|
CHECK_LT(cSize, CNBuffSize + margin);
|
|
CHECK(output != NULL);
|
|
CHECK_Z(margin);
|
|
memcpy(input, compressedBuffer, cSize);
|
|
|
|
{
|
|
size_t const dSize = ZSTD_decompress(output, outputSize, input, cSize);
|
|
CHECK_Z(dSize);
|
|
CHECK_EQ(dSize, srcSize);
|
|
}
|
|
CHECK(!memcmp(output, CNBuffer, srcSize));
|
|
free(output);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : Check block splitter with 64K literal length : ", testNb++);
|
|
{ ZSTD_CCtx* cctx = ZSTD_createCCtx();
|
|
size_t const srcSize = 256 * 1024;
|
|
U32 const compressibleLenU32 = 32 * 1024 / 4;
|
|
U32 const blockSizeU32 = 128 * 1024 / 4;
|
|
U32 const litLenU32 = 64 * 1024 / 4;
|
|
U32* data = (U32*)malloc(srcSize);
|
|
size_t dSize;
|
|
|
|
if (data == NULL || cctx == NULL) goto _output_error;
|
|
|
|
/* Generate data without any matches */
|
|
RDG_genBuffer(data, srcSize, 0.0, 0.01, 2654435761U);
|
|
/* Generate 32K of compressible data */
|
|
RDG_genBuffer(data, compressibleLenU32 * 4, 0.5, 0.5, 0xcafebabe);
|
|
|
|
/* Add a match of offset=12, length=8 at idx=16, 32, 48, 64 */
|
|
data[compressibleLenU32 + 0] = 0xFFFFFFFF;
|
|
data[compressibleLenU32 + 1] = 0xEEEEEEEE;
|
|
data[compressibleLenU32 + 4] = 0xFFFFFFFF;
|
|
data[compressibleLenU32 + 5] = 0xEEEEEEEE;
|
|
|
|
/* Add a match of offset=16, length=8 at idx=64K + 64.
|
|
* This generates a sequence with llen=64K, and repeat code 1.
|
|
* The block splitter thought this was ll0, and corrupted the
|
|
* repeat offset history.
|
|
*/
|
|
data[compressibleLenU32 + litLenU32 + 2 + 0] = 0xDDDDDDDD;
|
|
data[compressibleLenU32 + litLenU32 + 2 + 1] = 0xCCCCCCCC;
|
|
data[compressibleLenU32 + litLenU32 + 2 + 4] = 0xDDDDDDDD;
|
|
data[compressibleLenU32 + litLenU32 + 2 + 5] = 0xCCCCCCCC;
|
|
|
|
/* Add a match of offset=16, length=8 at idx=128K + 16.
|
|
* This should generate a sequence with repeat code = 1.
|
|
* But the block splitters mistake caused zstd to generate
|
|
* repeat code = 2, corrupting the data.
|
|
*/
|
|
data[blockSizeU32] = 0xBBBBBBBB;
|
|
data[blockSizeU32 + 1] = 0xAAAAAAAA;
|
|
data[blockSizeU32 + 4] = 0xBBBBBBBB;
|
|
data[blockSizeU32 + 5] = 0xAAAAAAAA;
|
|
|
|
/* Generate a golden file from this data in case datagen changes and
|
|
* doesn't generate the exact same data. We will also test this golden file.
|
|
*/
|
|
if (0) {
|
|
FILE* f = fopen("golden-compression/PR-3517-block-splitter-corruption-test", "wb");
|
|
fwrite(data, 1, srcSize, f);
|
|
fclose(f);
|
|
}
|
|
|
|
CHECK_Z(ZSTD_CCtx_setParameter(cctx, ZSTD_c_compressionLevel, 19));
|
|
CHECK_Z(ZSTD_CCtx_setParameter(cctx, ZSTD_c_minMatch, 7));
|
|
CHECK_Z(ZSTD_CCtx_setParameter(cctx, ZSTD_c_useBlockSplitter, ZSTD_ps_enable));
|
|
|
|
cSize = ZSTD_compress2(cctx, compressedBuffer, compressedBufferSize, data, srcSize);
|
|
CHECK_Z(cSize);
|
|
dSize = ZSTD_decompress(decodedBuffer, CNBuffSize, compressedBuffer, cSize);
|
|
CHECK_Z(dSize);
|
|
CHECK_EQ(dSize, srcSize);
|
|
CHECK(!memcmp(decodedBuffer, data, srcSize));
|
|
|
|
free(data);
|
|
ZSTD_freeCCtx(cctx);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3d : superblock uncompressible data: too many nocompress superblocks : ", testNb++);
|
|
{
|
|
ZSTD_CCtx* const cctx = ZSTD_createCCtx();
|
|
const BYTE* src = (BYTE*)CNBuffer; BYTE* dst = (BYTE*)compressedBuffer;
|
|
size_t srcSize = 321656; size_t dstCapacity = ZSTD_compressBound(srcSize);
|
|
|
|
/* This is the number of bytes to stream before ending. This value
|
|
* was obtained by trial and error :/. */
|
|
|
|
const size_t streamCompressThreshold = 161792;
|
|
const size_t streamCompressDelta = 1024;
|
|
|
|
/* The first 1/5 of the buffer is compressible and the last 4/5 is
|
|
* uncompressible. This is an approximation of the type of data
|
|
* the fuzzer generated to catch this bug. Streams like this were making
|
|
* zstd generate noCompress superblocks (which are larger than the src
|
|
* they come from). Do this enough times, and we'll run out of room
|
|
* and throw a dstSize_tooSmall error. */
|
|
|
|
const size_t compressiblePartSize = srcSize/5;
|
|
const size_t uncompressiblePartSize = srcSize-compressiblePartSize;
|
|
RDG_genBuffer(CNBuffer, compressiblePartSize, 0.5, 0.5, seed);
|
|
RDG_genBuffer((BYTE*)CNBuffer+compressiblePartSize, uncompressiblePartSize, 0, 0, seed);
|
|
|
|
/* Setting target block size so that superblock is used */
|
|
|
|
assert(cctx != NULL);
|
|
ZSTD_CCtx_setParameter(cctx, ZSTD_c_targetCBlockSize, 81);
|
|
|
|
{ size_t read;
|
|
for (read = 0; read < streamCompressThreshold; read += streamCompressDelta) {
|
|
ZSTD_inBuffer in = {src, streamCompressDelta, 0};
|
|
ZSTD_outBuffer out = {dst, dstCapacity, 0};
|
|
CHECK_Z(ZSTD_compressStream2(cctx, &out, &in, ZSTD_e_continue));
|
|
CHECK_Z(ZSTD_compressStream2(cctx, &out, &in, ZSTD_e_end));
|
|
src += streamCompressDelta; srcSize -= streamCompressDelta;
|
|
dst += out.pos; dstCapacity -= out.pos;
|
|
} }
|
|
|
|
/* This is trying to catch a dstSize_tooSmall error */
|
|
|
|
{ ZSTD_inBuffer in = {src, srcSize, 0};
|
|
ZSTD_outBuffer out = {dst, dstCapacity, 0};
|
|
CHECK_Z(ZSTD_compressStream2(cctx, &out, &in, ZSTD_e_end));
|
|
}
|
|
ZSTD_freeCCtx(cctx);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3d: superblock with no literals : ", testNb++);
|
|
/* Generate the same data 20 times over */
|
|
{ size_t const avgChunkSize = CNBuffSize / 20;
|
|
size_t b;
|
|
for (b = 0; b < CNBuffSize; b += avgChunkSize) {
|
|
size_t const chunkSize = MIN(CNBuffSize - b, avgChunkSize);
|
|
RDG_genBuffer((char*)CNBuffer + b, chunkSize, compressibility, 0. /* auto */, seed);
|
|
} }
|
|
{ ZSTD_CCtx* const cctx = ZSTD_createCCtx();
|
|
size_t const normalCSize = ZSTD_compress2(cctx, compressedBuffer, compressedBufferSize, CNBuffer, CNBuffSize);
|
|
size_t const allowedExpansion = (CNBuffSize * 3 / 1000);
|
|
size_t superCSize;
|
|
CHECK_Z(normalCSize);
|
|
ZSTD_CCtx_setParameter(cctx, ZSTD_c_compressionLevel, 19);
|
|
ZSTD_CCtx_setParameter(cctx, ZSTD_c_targetCBlockSize, 1000);
|
|
superCSize = ZSTD_compress2(cctx, compressedBuffer, compressedBufferSize, CNBuffer, CNBuffSize);
|
|
CHECK_Z(superCSize);
|
|
if (superCSize > normalCSize + allowedExpansion) {
|
|
DISPLAYLEVEL(1, "Superblock too big: %u > %u + %u \n", (U32)superCSize, (U32)normalCSize, (U32)allowedExpansion);
|
|
goto _output_error;
|
|
}
|
|
ZSTD_freeCCtx(cctx);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
RDG_genBuffer(CNBuffer, CNBuffSize, compressibility, 0. /*auto*/, seed);
|
|
DISPLAYLEVEL(3, "test%3d: superblock enough room for checksum : ", testNb++)
|
|
/* This tests whether or not we leave enough room for the checksum at the end
|
|
* of the dst buffer. The bug that motivated this test was found by the
|
|
* stream_round_trip fuzzer but this crashes for the same reason and is
|
|
* far more compact than re-creating the stream_round_trip fuzzer's code path */
|
|
{ ZSTD_CCtx* const cctx = ZSTD_createCCtx();
|
|
ZSTD_CCtx_setParameter(cctx, ZSTD_c_targetCBlockSize, 64);
|
|
assert(!ZSTD_isError(ZSTD_compress2(cctx, compressedBuffer, 1339, CNBuffer, 1278)));
|
|
ZSTD_freeCCtx(cctx);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : compress a NULL input with each level : ", testNb++);
|
|
{ int level = -1;
|
|
ZSTD_CCtx* const cctx = ZSTD_createCCtx();
|
|
if (!cctx) goto _output_error;
|
|
for (level = -1; level <= ZSTD_maxCLevel(); ++level) {
|
|
CHECK_Z( ZSTD_compress(compressedBuffer, compressedBufferSize, NULL, 0, level) );
|
|
CHECK_Z( ZSTD_CCtx_setParameter(cctx, ZSTD_c_compressionLevel, level) );
|
|
CHECK_Z( ZSTD_compress2(cctx, compressedBuffer, compressedBufferSize, NULL, 0) );
|
|
}
|
|
ZSTD_freeCCtx(cctx);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3d : check CCtx size after compressing empty input : ", testNb++);
|
|
{ ZSTD_CCtx* const cctx = ZSTD_createCCtx();
|
|
size_t const r = ZSTD_compressCCtx(cctx, compressedBuffer, compressedBufferSize, NULL, 0, 19);
|
|
if (ZSTD_isError(r)) goto _output_error;
|
|
if (ZSTD_sizeof_CCtx(cctx) > (1U << 20)) goto _output_error;
|
|
ZSTD_freeCCtx(cctx);
|
|
cSize = r;
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3d : decompress empty frame into NULL : ", testNb++);
|
|
{ size_t const r = ZSTD_decompress(NULL, 0, compressedBuffer, cSize);
|
|
if (ZSTD_isError(r)) goto _output_error;
|
|
if (r != 0) goto _output_error;
|
|
}
|
|
{ ZSTD_CCtx* const cctx = ZSTD_createCCtx();
|
|
ZSTD_outBuffer output;
|
|
if (cctx==NULL) goto _output_error;
|
|
output.dst = compressedBuffer;
|
|
output.size = compressedBufferSize;
|
|
output.pos = 0;
|
|
CHECK_Z( ZSTD_initCStream(cctx, 1) ); /* content size unknown */
|
|
CHECK_Z( ZSTD_flushStream(cctx, &output) ); /* ensure no possibility to "concatenate" and determine the content size */
|
|
CHECK_Z( ZSTD_endStream(cctx, &output) );
|
|
ZSTD_freeCCtx(cctx);
|
|
/* single scan decompression */
|
|
{ size_t const r = ZSTD_decompress(NULL, 0, compressedBuffer, output.pos);
|
|
if (ZSTD_isError(r)) goto _output_error;
|
|
if (r != 0) goto _output_error;
|
|
}
|
|
/* streaming decompression */
|
|
{ ZSTD_DCtx* const dstream = ZSTD_createDStream();
|
|
ZSTD_inBuffer dinput;
|
|
ZSTD_outBuffer doutput;
|
|
size_t ipos;
|
|
if (dstream==NULL) goto _output_error;
|
|
dinput.src = compressedBuffer;
|
|
dinput.size = 0;
|
|
dinput.pos = 0;
|
|
doutput.dst = NULL;
|
|
doutput.size = 0;
|
|
doutput.pos = 0;
|
|
CHECK_Z ( ZSTD_initDStream(dstream) );
|
|
for (ipos=1; ipos<=output.pos; ipos++) {
|
|
dinput.size = ipos;
|
|
CHECK_Z ( ZSTD_decompressStream(dstream, &doutput, &dinput) );
|
|
}
|
|
if (doutput.pos != 0) goto _output_error;
|
|
ZSTD_freeDStream(dstream);
|
|
}
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3d : reuse CCtx with expanding block size : ", testNb++);
|
|
{ ZSTD_CCtx* const cctx = ZSTD_createCCtx();
|
|
ZSTD_parameters const params = ZSTD_getParams(1, ZSTD_CONTENTSIZE_UNKNOWN, 0);
|
|
assert(params.fParams.contentSizeFlag == 1); /* block size will be adapted if pledgedSrcSize is enabled */
|
|
CHECK_Z( ZSTD_compressBegin_advanced(cctx, NULL, 0, params, 1 /*pledgedSrcSize*/) );
|
|
CHECK_Z( ZSTD_compressEnd(cctx, compressedBuffer, compressedBufferSize, CNBuffer, 1) ); /* creates a block size of 1 */
|
|
|
|
CHECK_Z( ZSTD_compressBegin_advanced(cctx, NULL, 0, params, ZSTD_CONTENTSIZE_UNKNOWN) ); /* reuse same parameters */
|
|
{ size_t const inSize = 2* 128 KB;
|
|
size_t const outSize = ZSTD_compressBound(inSize);
|
|
CHECK_Z( ZSTD_compressEnd(cctx, compressedBuffer, outSize, CNBuffer, inSize) );
|
|
/* will fail if blockSize is not resized */
|
|
}
|
|
ZSTD_freeCCtx(cctx);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3d : re-using a CCtx should compress the same : ", testNb++);
|
|
{ size_t const sampleSize = 30;
|
|
int i;
|
|
for (i=0; i<20; i++)
|
|
((char*)CNBuffer)[i] = (char)i; /* ensure no match during initial section */
|
|
memcpy((char*)CNBuffer + 20, CNBuffer, 10); /* create one match, starting from beginning of sample, which is the difficult case (see #1241) */
|
|
for (i=1; i<=19; i++) {
|
|
ZSTD_CCtx* const cctx = ZSTD_createCCtx();
|
|
size_t size1, size2;
|
|
DISPLAYLEVEL(5, "l%i ", i);
|
|
size1 = ZSTD_compressCCtx(cctx, compressedBuffer, compressedBufferSize, CNBuffer, sampleSize, i);
|
|
CHECK_Z(size1);
|
|
|
|
size2 = ZSTD_compressCCtx(cctx, compressedBuffer, compressedBufferSize, CNBuffer, sampleSize, i);
|
|
CHECK_Z(size2);
|
|
CHECK_EQ(size1, size2);
|
|
|
|
CHECK_Z( ZSTD_CCtx_setParameter(cctx, ZSTD_c_compressionLevel, i) );
|
|
size2 = ZSTD_compress2(cctx, compressedBuffer, compressedBufferSize, CNBuffer, sampleSize);
|
|
CHECK_Z(size2);
|
|
CHECK_EQ(size1, size2);
|
|
|
|
size2 = ZSTD_compress2(cctx, compressedBuffer, ZSTD_compressBound(sampleSize) - 1, CNBuffer, sampleSize); /* force streaming, as output buffer is not large enough to guarantee success */
|
|
CHECK_Z(size2);
|
|
CHECK_EQ(size1, size2);
|
|
|
|
{ ZSTD_inBuffer inb;
|
|
ZSTD_outBuffer outb;
|
|
inb.src = CNBuffer;
|
|
inb.pos = 0;
|
|
inb.size = sampleSize;
|
|
outb.dst = compressedBuffer;
|
|
outb.pos = 0;
|
|
outb.size = ZSTD_compressBound(sampleSize) - 1; /* force streaming, as output buffer is not large enough to guarantee success */
|
|
CHECK_Z( ZSTD_compressStream2(cctx, &outb, &inb, ZSTD_e_end) );
|
|
assert(inb.pos == inb.size);
|
|
CHECK_EQ(size1, outb.pos);
|
|
}
|
|
|
|
ZSTD_freeCCtx(cctx);
|
|
}
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3d : btultra2 & 1st block : ", testNb++);
|
|
{ size_t const sampleSize = 1024;
|
|
ZSTD_CCtx* const cctx = ZSTD_createCCtx();
|
|
ZSTD_inBuffer inb;
|
|
ZSTD_outBuffer outb;
|
|
inb.src = CNBuffer;
|
|
inb.pos = 0;
|
|
inb.size = 0;
|
|
outb.dst = compressedBuffer;
|
|
outb.pos = 0;
|
|
outb.size = compressedBufferSize;
|
|
CHECK_Z( ZSTD_CCtx_setParameter(cctx, ZSTD_c_compressionLevel, ZSTD_maxCLevel()) );
|
|
|
|
inb.size = sampleSize; /* start with something, so that context is already used */
|
|
CHECK_Z( ZSTD_compressStream2(cctx, &outb, &inb, ZSTD_e_end) ); /* will break internal assert if stats_init is not disabled */
|
|
assert(inb.pos == inb.size);
|
|
outb.pos = 0; /* cancel output */
|
|
|
|
CHECK_Z( ZSTD_CCtx_setPledgedSrcSize(cctx, sampleSize) );
|
|
inb.size = 4; /* too small size : compression will be skipped */
|
|
inb.pos = 0;
|
|
CHECK_Z( ZSTD_compressStream2(cctx, &outb, &inb, ZSTD_e_flush) );
|
|
assert(inb.pos == inb.size);
|
|
|
|
inb.size += 5; /* too small size : compression will be skipped */
|
|
CHECK_Z( ZSTD_compressStream2(cctx, &outb, &inb, ZSTD_e_flush) );
|
|
assert(inb.pos == inb.size);
|
|
|
|
inb.size += 11; /* small enough to attempt compression */
|
|
CHECK_Z( ZSTD_compressStream2(cctx, &outb, &inb, ZSTD_e_flush) );
|
|
assert(inb.pos == inb.size);
|
|
|
|
assert(inb.pos < sampleSize);
|
|
inb.size = sampleSize; /* large enough to trigger stats_init, but no longer at beginning */
|
|
CHECK_Z( ZSTD_compressStream2(cctx, &outb, &inb, ZSTD_e_end) ); /* will break internal assert if stats_init is not disabled */
|
|
assert(inb.pos == inb.size);
|
|
ZSTD_freeCCtx(cctx);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3d : ZSTD_CCtx_getParameter() : ", testNb++);
|
|
{ ZSTD_CCtx* const cctx = ZSTD_createCCtx();
|
|
ZSTD_outBuffer out = {NULL, 0, 0};
|
|
ZSTD_inBuffer in = {NULL, 0, 0};
|
|
int value;
|
|
|
|
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_c_compressionLevel, &value));
|
|
CHECK_EQ(value, 3);
|
|
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_c_hashLog, &value));
|
|
CHECK_EQ(value, 0);
|
|
CHECK_Z(ZSTD_CCtx_setParameter(cctx, ZSTD_c_hashLog, ZSTD_HASHLOG_MIN));
|
|
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_c_compressionLevel, &value));
|
|
CHECK_EQ(value, 3);
|
|
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_c_hashLog, &value));
|
|
CHECK_EQ(value, ZSTD_HASHLOG_MIN);
|
|
CHECK_Z(ZSTD_CCtx_setParameter(cctx, ZSTD_c_compressionLevel, 7));
|
|
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_c_compressionLevel, &value));
|
|
CHECK_EQ(value, 7);
|
|
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_c_hashLog, &value));
|
|
CHECK_EQ(value, ZSTD_HASHLOG_MIN);
|
|
/* Start a compression job */
|
|
ZSTD_compressStream2(cctx, &out, &in, ZSTD_e_continue);
|
|
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_c_compressionLevel, &value));
|
|
CHECK_EQ(value, 7);
|
|
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_c_hashLog, &value));
|
|
CHECK_EQ(value, ZSTD_HASHLOG_MIN);
|
|
/* Reset the CCtx */
|
|
ZSTD_CCtx_reset(cctx, ZSTD_reset_session_only);
|
|
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_c_compressionLevel, &value));
|
|
CHECK_EQ(value, 7);
|
|
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_c_hashLog, &value));
|
|
CHECK_EQ(value, ZSTD_HASHLOG_MIN);
|
|
/* Reset the parameters */
|
|
ZSTD_CCtx_reset(cctx, ZSTD_reset_parameters);
|
|
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_c_compressionLevel, &value));
|
|
CHECK_EQ(value, 3);
|
|
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_c_hashLog, &value));
|
|
CHECK_EQ(value, 0);
|
|
|
|
ZSTD_freeCCtx(cctx);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3d : ZSTD_CCtx_setCParams() : ", testNb++);
|
|
{ ZSTD_CCtx* const cctx = ZSTD_createCCtx();
|
|
int value;
|
|
ZSTD_compressionParameters cparams = ZSTD_getCParams(1, 0, 0);
|
|
cparams.strategy = -1;
|
|
/* Set invalid cParams == no change. */
|
|
CHECK(ZSTD_isError(ZSTD_CCtx_setCParams(cctx, cparams)));
|
|
|
|
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_c_windowLog, &value));
|
|
CHECK_EQ(value, 0);
|
|
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_c_chainLog, &value));
|
|
CHECK_EQ(value, 0);
|
|
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_c_hashLog, &value));
|
|
CHECK_EQ(value, 0);
|
|
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_c_searchLog, &value));
|
|
CHECK_EQ(value, 0);
|
|
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_c_minMatch, &value));
|
|
CHECK_EQ(value, 0);
|
|
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_c_targetLength, &value));
|
|
CHECK_EQ(value, 0);
|
|
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_c_strategy, &value));
|
|
CHECK_EQ(value, 0);
|
|
|
|
cparams = ZSTD_getCParams(12, 0, 0);
|
|
CHECK_Z(ZSTD_CCtx_setCParams(cctx, cparams));
|
|
|
|
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_c_windowLog, &value));
|
|
CHECK_EQ(value, (int)cparams.windowLog);
|
|
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_c_chainLog, &value));
|
|
CHECK_EQ(value, (int)cparams.chainLog);
|
|
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_c_hashLog, &value));
|
|
CHECK_EQ(value, (int)cparams.hashLog);
|
|
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_c_searchLog, &value));
|
|
CHECK_EQ(value, (int)cparams.searchLog);
|
|
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_c_minMatch, &value));
|
|
CHECK_EQ(value, (int)cparams.minMatch);
|
|
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_c_targetLength, &value));
|
|
CHECK_EQ(value, (int)cparams.targetLength);
|
|
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_c_strategy, &value));
|
|
CHECK_EQ(value, (int)cparams.strategy);
|
|
|
|
ZSTD_freeCCtx(cctx);
|
|
}
|
|
|
|
DISPLAYLEVEL(3, "test%3d : ZSTD_CCtx_setFParams() : ", testNb++);
|
|
{ ZSTD_CCtx* const cctx = ZSTD_createCCtx();
|
|
int value;
|
|
ZSTD_frameParameters fparams = {0, 1, 1};
|
|
|
|
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_c_contentSizeFlag, &value));
|
|
CHECK_EQ(value, 1);
|
|
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_c_checksumFlag, &value));
|
|
CHECK_EQ(value, 0);
|
|
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_c_dictIDFlag, &value));
|
|
CHECK_EQ(value, 1);
|
|
|
|
CHECK_Z(ZSTD_CCtx_setFParams(cctx, fparams));
|
|
|
|
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_c_contentSizeFlag, &value));
|
|
CHECK_EQ(value, fparams.contentSizeFlag);
|
|
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_c_checksumFlag, &value));
|
|
CHECK_EQ(value, fparams.checksumFlag);
|
|
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_c_dictIDFlag, &value));
|
|
CHECK_EQ(value, !fparams.noDictIDFlag);
|
|
|
|
ZSTD_freeCCtx(cctx);
|
|
}
|
|
|
|
DISPLAYLEVEL(3, "test%3d : ZSTD_CCtx_setCarams() : ", testNb++);
|
|
{ ZSTD_CCtx* const cctx = ZSTD_createCCtx();
|
|
int value;
|
|
ZSTD_parameters params = ZSTD_getParams(1, 0, 0);
|
|
params.cParams.strategy = -1;
|
|
/* Set invalid params == no change. */
|
|
CHECK(ZSTD_isError(ZSTD_CCtx_setParams(cctx, params)));
|
|
|
|
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_c_windowLog, &value));
|
|
CHECK_EQ(value, 0);
|
|
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_c_chainLog, &value));
|
|
CHECK_EQ(value, 0);
|
|
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_c_hashLog, &value));
|
|
CHECK_EQ(value, 0);
|
|
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_c_searchLog, &value));
|
|
CHECK_EQ(value, 0);
|
|
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_c_minMatch, &value));
|
|
CHECK_EQ(value, 0);
|
|
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_c_targetLength, &value));
|
|
CHECK_EQ(value, 0);
|
|
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_c_strategy, &value));
|
|
CHECK_EQ(value, 0);
|
|
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_c_contentSizeFlag, &value));
|
|
CHECK_EQ(value, 1);
|
|
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_c_checksumFlag, &value));
|
|
CHECK_EQ(value, 0);
|
|
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_c_dictIDFlag, &value));
|
|
CHECK_EQ(value, 1);
|
|
|
|
params = ZSTD_getParams(12, 0, 0);
|
|
params.fParams.contentSizeFlag = 0;
|
|
params.fParams.checksumFlag = 1;
|
|
params.fParams.noDictIDFlag = 1;
|
|
CHECK_Z(ZSTD_CCtx_setParams(cctx, params));
|
|
|
|
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_c_windowLog, &value));
|
|
CHECK_EQ(value, (int)params.cParams.windowLog);
|
|
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_c_chainLog, &value));
|
|
CHECK_EQ(value, (int)params.cParams.chainLog);
|
|
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_c_hashLog, &value));
|
|
CHECK_EQ(value, (int)params.cParams.hashLog);
|
|
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_c_searchLog, &value));
|
|
CHECK_EQ(value, (int)params.cParams.searchLog);
|
|
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_c_minMatch, &value));
|
|
CHECK_EQ(value, (int)params.cParams.minMatch);
|
|
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_c_targetLength, &value));
|
|
CHECK_EQ(value, (int)params.cParams.targetLength);
|
|
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_c_strategy, &value));
|
|
CHECK_EQ(value, (int)params.cParams.strategy);
|
|
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_c_contentSizeFlag, &value));
|
|
CHECK_EQ(value, params.fParams.contentSizeFlag);
|
|
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_c_checksumFlag, &value));
|
|
CHECK_EQ(value, params.fParams.checksumFlag);
|
|
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_c_dictIDFlag, &value));
|
|
CHECK_EQ(value, !params.fParams.noDictIDFlag);
|
|
|
|
ZSTD_freeCCtx(cctx);
|
|
}
|
|
|
|
DISPLAYLEVEL(3, "test%3d : ldm conditionally enabled by default doesn't change cctx params: ", testNb++);
|
|
{ ZSTD_CCtx* const cctx = ZSTD_createCCtx();
|
|
ZSTD_outBuffer out = {NULL, 0, 0};
|
|
ZSTD_inBuffer in = {NULL, 0, 0};
|
|
int value;
|
|
|
|
/* Even if LDM will be enabled by default in the applied params (since wlog >= 27 and strategy >= btopt),
|
|
* we should not modify the actual parameter specified by the user within the CCtx
|
|
*/
|
|
CHECK_Z(ZSTD_CCtx_setParameter(cctx, ZSTD_c_windowLog, 27));
|
|
CHECK_Z(ZSTD_CCtx_setParameter(cctx, ZSTD_c_strategy, ZSTD_btopt));
|
|
|
|
CHECK_Z(ZSTD_compressStream2(cctx, &out, &in, ZSTD_e_continue));
|
|
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_c_enableLongDistanceMatching, &value));
|
|
CHECK_EQ(value, 0);
|
|
|
|
ZSTD_freeCCtx(cctx);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
/* this test is really too long, and should be made faster */
|
|
DISPLAYLEVEL(3, "test%3d : overflow protection with large windowLog : ", testNb++);
|
|
{ ZSTD_CCtx* const cctx = ZSTD_createCCtx();
|
|
ZSTD_parameters params = ZSTD_getParams(-999, ZSTD_CONTENTSIZE_UNKNOWN, 0);
|
|
size_t const nbCompressions = ((1U << 31) / CNBuffSize) + 2; /* ensure U32 overflow protection is triggered */
|
|
size_t cnb;
|
|
assert(cctx != NULL);
|
|
params.fParams.contentSizeFlag = 0;
|
|
params.cParams.windowLog = ZSTD_WINDOWLOG_MAX;
|
|
for (cnb = 0; cnb < nbCompressions; ++cnb) {
|
|
DISPLAYLEVEL(6, "run %zu / %zu \n", cnb, nbCompressions);
|
|
CHECK_Z( ZSTD_compressBegin_advanced(cctx, NULL, 0, params, ZSTD_CONTENTSIZE_UNKNOWN) ); /* reuse same parameters */
|
|
CHECK_Z( ZSTD_compressEnd(cctx, compressedBuffer, compressedBufferSize, CNBuffer, CNBuffSize) );
|
|
}
|
|
ZSTD_freeCCtx(cctx);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3d : size down context : ", testNb++);
|
|
{ ZSTD_CCtx* const largeCCtx = ZSTD_createCCtx();
|
|
assert(largeCCtx != NULL);
|
|
CHECK_Z( ZSTD_compressBegin(largeCCtx, 19) ); /* streaming implies ZSTD_CONTENTSIZE_UNKNOWN, which maximizes memory usage */
|
|
CHECK_Z( ZSTD_compressEnd(largeCCtx, compressedBuffer, compressedBufferSize, CNBuffer, 1) );
|
|
{ size_t const largeCCtxSize = ZSTD_sizeof_CCtx(largeCCtx); /* size of context must be measured after compression */
|
|
{ ZSTD_CCtx* const smallCCtx = ZSTD_createCCtx();
|
|
assert(smallCCtx != NULL);
|
|
CHECK_Z(ZSTD_compressCCtx(smallCCtx, compressedBuffer, compressedBufferSize, CNBuffer, 1, 1));
|
|
{ size_t const smallCCtxSize = ZSTD_sizeof_CCtx(smallCCtx);
|
|
DISPLAYLEVEL(5, "(large) %zuKB > 32*%zuKB (small) : ",
|
|
largeCCtxSize>>10, smallCCtxSize>>10);
|
|
assert(largeCCtxSize > 32* smallCCtxSize); /* note : "too large" definition is handled within zstd_compress.c .
|
|
* make this test case extreme, so that it doesn't depend on a possibly fluctuating definition */
|
|
}
|
|
ZSTD_freeCCtx(smallCCtx);
|
|
}
|
|
{ U32 const maxNbAttempts = 1100; /* nb of usages before triggering size down is handled within zstd_compress.c.
|
|
* currently defined as 128x, but could be adjusted in the future.
|
|
* make this test long enough so that it's not too much tied to the current definition within zstd_compress.c */
|
|
unsigned u;
|
|
for (u=0; u<maxNbAttempts; u++) {
|
|
CHECK_Z(ZSTD_compressCCtx(largeCCtx, compressedBuffer, compressedBufferSize, CNBuffer, 1, 1));
|
|
if (ZSTD_sizeof_CCtx(largeCCtx) < largeCCtxSize) break; /* sized down */
|
|
}
|
|
DISPLAYLEVEL(5, "size down after %u attempts : ", u);
|
|
if (u==maxNbAttempts) goto _output_error; /* no sizedown happened */
|
|
}
|
|
}
|
|
ZSTD_freeCCtx(largeCCtx);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
/* Static CCtx tests */
|
|
#define STATIC_CCTX_LEVEL 4
|
|
DISPLAYLEVEL(3, "test%3i : create static CCtx for level %u : ", testNb++, STATIC_CCTX_LEVEL);
|
|
{ size_t const staticCStreamSize = ZSTD_estimateCStreamSize(STATIC_CCTX_LEVEL);
|
|
void* const staticCCtxBuffer = malloc(staticCStreamSize);
|
|
size_t const staticDCtxSize = ZSTD_estimateDCtxSize();
|
|
void* const staticDCtxBuffer = malloc(staticDCtxSize);
|
|
DISPLAYLEVEL(4, "CStream size = %u, ", (U32)staticCStreamSize);
|
|
if (staticCCtxBuffer==NULL || staticDCtxBuffer==NULL) {
|
|
free(staticCCtxBuffer);
|
|
free(staticDCtxBuffer);
|
|
DISPLAY("Not enough memory, aborting\n");
|
|
testResult = 1;
|
|
goto _end;
|
|
}
|
|
{ size_t const smallInSize = 32 KB;
|
|
ZSTD_compressionParameters const cparams_small = ZSTD_getCParams(STATIC_CCTX_LEVEL, smallInSize, 0);
|
|
size_t const smallCCtxSize = ZSTD_estimateCCtxSize_usingCParams(cparams_small);
|
|
size_t const staticCCtxSize = ZSTD_estimateCCtxSize(STATIC_CCTX_LEVEL);
|
|
ZSTD_CCtx* staticCCtx = ZSTD_initStaticCCtx(staticCCtxBuffer, smallCCtxSize);
|
|
ZSTD_DCtx* const staticDCtx = ZSTD_initStaticDCtx(staticDCtxBuffer, staticDCtxSize);
|
|
DISPLAYLEVEL(4, "Full CCtx size = %u, ", (U32)staticCCtxSize);
|
|
DISPLAYLEVEL(4, "CCtx for 32 KB = %u, ", (U32)smallCCtxSize);
|
|
if ((staticCCtx==NULL) || (staticDCtx==NULL)) goto _output_error;
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : compress small input with small static CCtx : ", testNb++);
|
|
CHECK_VAR(cSize, ZSTD_compressCCtx(staticCCtx,
|
|
compressedBuffer, compressedBufferSize,
|
|
CNBuffer, smallInSize, STATIC_CCTX_LEVEL) );
|
|
DISPLAYLEVEL(3, "OK (%u bytes : %.2f%%)\n",
|
|
(unsigned)cSize, (double)cSize/smallInSize*100);
|
|
|
|
DISPLAYLEVEL(3, "test%3i : compress large input with small static CCtx (must fail) : ", testNb++);
|
|
{ size_t const r = ZSTD_compressCCtx(staticCCtx,
|
|
compressedBuffer, compressedBufferSize,
|
|
CNBuffer, CNBuffSize, STATIC_CCTX_LEVEL);
|
|
if (ZSTD_getErrorCode((size_t)r) != ZSTD_error_memory_allocation) goto _output_error;
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : resize context to full CCtx size : ", testNb++);
|
|
staticCCtx = ZSTD_initStaticCStream(staticCCtxBuffer, staticCCtxSize);
|
|
DISPLAYLEVEL(4, "staticCCtxBuffer = %p, staticCCtx = %p , ", staticCCtxBuffer, (void*)staticCCtx);
|
|
if (staticCCtx == NULL) goto _output_error;
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : compress large input with static CCtx : ", testNb++);
|
|
CHECK_VAR(cSize, ZSTD_compressCCtx(staticCCtx,
|
|
compressedBuffer, compressedBufferSize,
|
|
CNBuffer, CNBuffSize, STATIC_CCTX_LEVEL) );
|
|
DISPLAYLEVEL(3, "OK (%u bytes : %.2f%%)\n",
|
|
(unsigned)cSize, (double)cSize/CNBuffSize*100);
|
|
|
|
DISPLAYLEVEL(3, "test%3i : compress small input often enough to trigger context reduce : ", testNb++);
|
|
{ int nbc;
|
|
assert(staticCCtxSize > smallCCtxSize * ZSTD_WORKSPACETOOLARGE_FACTOR); /* ensure size down scenario */
|
|
assert(CNBuffSize > smallInSize + ZSTD_WORKSPACETOOLARGE_MAXDURATION + 3);
|
|
for (nbc=0; nbc<ZSTD_WORKSPACETOOLARGE_MAXDURATION+2; nbc++) {
|
|
CHECK_Z(ZSTD_compressCCtx(staticCCtx,
|
|
compressedBuffer, compressedBufferSize,
|
|
(char*)CNBuffer + nbc, smallInSize,
|
|
STATIC_CCTX_LEVEL) );
|
|
} }
|
|
DISPLAYLEVEL(3, "OK \n")
|
|
|
|
DISPLAYLEVEL(3, "test%3i : init CCtx for level %u : ", testNb++, STATIC_CCTX_LEVEL);
|
|
CHECK_Z( ZSTD_compressBegin(staticCCtx, STATIC_CCTX_LEVEL) );
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : compression again with static CCtx : ", testNb++);
|
|
CHECK_VAR(cSize, ZSTD_compressCCtx(staticCCtx,
|
|
compressedBuffer, compressedBufferSize,
|
|
CNBuffer, CNBuffSize, STATIC_CCTX_LEVEL) );
|
|
DISPLAYLEVEL(3, "OK (%u bytes : %.2f%%)\n",
|
|
(unsigned)cSize, (double)cSize/CNBuffSize*100);
|
|
|
|
DISPLAYLEVEL(3, "test%3i : simple decompression test with static DCtx : ", testNb++);
|
|
{ size_t const r = ZSTD_decompressDCtx(staticDCtx,
|
|
decodedBuffer, CNBuffSize,
|
|
compressedBuffer, cSize);
|
|
if (r != CNBuffSize) goto _output_error; }
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : check decompressed result : ", testNb++);
|
|
if (memcmp(decodedBuffer, CNBuffer, CNBuffSize)) goto _output_error;
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : init CCtx for too large level (must fail) : ", testNb++);
|
|
{ size_t const r = ZSTD_compressBegin(staticCCtx, ZSTD_maxCLevel());
|
|
if (!ZSTD_isError(r)) goto _output_error; }
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : init CCtx for small level %u (should work again) : ", testNb++, 1);
|
|
CHECK_Z( ZSTD_compressBegin(staticCCtx, 1) );
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : use CStream on CCtx-sized static context (should fail) : ", testNb++);
|
|
CHECK_Z( ZSTD_initCStream(staticCCtx, STATIC_CCTX_LEVEL) ); /* note : doesn't allocate */
|
|
{ ZSTD_outBuffer output = { compressedBuffer, compressedBufferSize, 0 };
|
|
ZSTD_inBuffer input = { CNBuffer, CNBuffSize, 0 };
|
|
size_t const r = ZSTD_compressStream(staticCCtx, &output, &input); /* now allocates, should fail */
|
|
if (!ZSTD_isError(r)) goto _output_error;
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : resize context to CStream size, then stream compress : ", testNb++);
|
|
staticCCtx = ZSTD_initStaticCStream(staticCCtxBuffer, staticCStreamSize);
|
|
assert(staticCCtx != NULL);
|
|
CHECK_Z( ZSTD_initCStream(staticCCtx, STATIC_CCTX_LEVEL) ); /* note : doesn't allocate */
|
|
{ ZSTD_outBuffer output = { compressedBuffer, compressedBufferSize, 0 };
|
|
ZSTD_inBuffer input = { CNBuffer, CNBuffSize, 0 };
|
|
CHECK_Z( ZSTD_compressStream(staticCCtx, &output, &input) );
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : CStream for small level %u : ", testNb++, 1);
|
|
CHECK_Z( ZSTD_initCStream(staticCCtx, 1) ); /* note : doesn't allocate */
|
|
{ ZSTD_outBuffer output = { compressedBuffer, compressedBufferSize, 0 };
|
|
ZSTD_inBuffer input = { CNBuffer, CNBuffSize, 0 };
|
|
CHECK_Z( ZSTD_compressStream(staticCCtx, &output, &input) );
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : init static CStream with dictionary (should fail) : ", testNb++);
|
|
{ size_t const r = ZSTD_initCStream_usingDict(staticCCtx, CNBuffer, 64 KB, 1);
|
|
if (!ZSTD_isError(r)) goto _output_error; }
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : use DStream on DCtx-sized static context (should fail) : ", testNb++);
|
|
CHECK_Z( ZSTD_initDStream(staticDCtx) );
|
|
{ ZSTD_outBuffer output = { decodedBuffer, CNBuffSize, 0 };
|
|
ZSTD_inBuffer input = { compressedBuffer, ZSTD_FRAMEHEADERSIZE_MAX+1, 0 };
|
|
size_t const r = ZSTD_decompressStream(staticDCtx, &output, &input);
|
|
if (!ZSTD_isError(r)) goto _output_error;
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : test estimation functions with default cctx params : ", testNb++);
|
|
{
|
|
// Test ZSTD_estimateCCtxSize_usingCCtxParams
|
|
{
|
|
ZSTD_CCtx_params* params = ZSTD_createCCtxParams();
|
|
size_t const cctxSizeDefault = ZSTD_estimateCCtxSize_usingCCtxParams(params);
|
|
staticCCtx = ZSTD_initStaticCCtx(staticCCtxBuffer, cctxSizeDefault);
|
|
CHECK_VAR(cSize, ZSTD_compressCCtx(staticCCtx,
|
|
compressedBuffer, compressedBufferSize,
|
|
CNBuffer, CNBuffSize, 3));
|
|
|
|
{
|
|
size_t const r = ZSTD_decompressDCtx(staticDCtx,
|
|
decodedBuffer, CNBuffSize,
|
|
compressedBuffer, cSize);
|
|
if (r != CNBuffSize) goto _output_error;
|
|
if (memcmp(decodedBuffer, CNBuffer, CNBuffSize)) goto _output_error;
|
|
}
|
|
ZSTD_freeCCtxParams(params);
|
|
}
|
|
|
|
// Test ZSTD_estimateCStreamSize_usingCCtxParams
|
|
{
|
|
ZSTD_CCtx_params* params = ZSTD_createCCtxParams();
|
|
size_t const cctxSizeDefault = ZSTD_estimateCStreamSize_usingCCtxParams(params);
|
|
staticCCtx = ZSTD_initStaticCCtx(staticCCtxBuffer, cctxSizeDefault);
|
|
CHECK_VAR(cSize, ZSTD_compressCCtx(staticCCtx,
|
|
compressedBuffer, compressedBufferSize,
|
|
CNBuffer, CNBuffSize, 3) );
|
|
|
|
{
|
|
size_t const r = ZSTD_decompressDCtx(staticDCtx,
|
|
decodedBuffer, CNBuffSize,
|
|
compressedBuffer, cSize);
|
|
if (r != CNBuffSize) goto _output_error;
|
|
if (memcmp(decodedBuffer, CNBuffer, CNBuffSize)) goto _output_error;
|
|
}
|
|
ZSTD_freeCCtxParams(params);
|
|
}
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : test estimation functions with maxBlockSize = 0 : ", testNb++);
|
|
{
|
|
// Test ZSTD_estimateCCtxSize_usingCCtxParams
|
|
{
|
|
ZSTD_CCtx_params* params = ZSTD_createCCtxParams();
|
|
size_t cctxSizeDefault;
|
|
CHECK_Z(ZSTD_CCtxParams_setParameter(params, ZSTD_c_maxBlockSize, 0));
|
|
cctxSizeDefault = ZSTD_estimateCCtxSize_usingCCtxParams(params);
|
|
staticCCtx = ZSTD_initStaticCCtx(staticCCtxBuffer, cctxSizeDefault);
|
|
CHECK_VAR(cSize, ZSTD_compressCCtx(staticCCtx,
|
|
compressedBuffer, compressedBufferSize,
|
|
CNBuffer, CNBuffSize, 3) );
|
|
|
|
{
|
|
size_t const r = ZSTD_decompressDCtx(staticDCtx,
|
|
decodedBuffer, CNBuffSize,
|
|
compressedBuffer, cSize);
|
|
if (r != CNBuffSize) goto _output_error;
|
|
if (memcmp(decodedBuffer, CNBuffer, CNBuffSize)) goto _output_error;
|
|
}
|
|
ZSTD_freeCCtxParams(params);
|
|
}
|
|
|
|
// Test ZSTD_estimateCStreamSize_usingCCtxParams
|
|
{
|
|
ZSTD_CCtx_params* params = ZSTD_createCCtxParams();
|
|
size_t cctxSizeDefault;
|
|
CHECK_Z(ZSTD_CCtxParams_setParameter(params, ZSTD_c_maxBlockSize, 0));
|
|
cctxSizeDefault = ZSTD_estimateCStreamSize_usingCCtxParams(params);
|
|
staticCCtx = ZSTD_initStaticCCtx(staticCCtxBuffer, cctxSizeDefault);
|
|
CHECK_VAR(cSize, ZSTD_compressCCtx(staticCCtx,
|
|
compressedBuffer, compressedBufferSize,
|
|
CNBuffer, CNBuffSize, 3) );
|
|
|
|
{
|
|
size_t const r = ZSTD_decompressDCtx(staticDCtx,
|
|
decodedBuffer, CNBuffSize,
|
|
compressedBuffer, cSize);
|
|
if (r != CNBuffSize) goto _output_error;
|
|
if (memcmp(decodedBuffer, CNBuffer, CNBuffSize)) goto _output_error;
|
|
}
|
|
ZSTD_freeCCtxParams(params);
|
|
}
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
}
|
|
free(staticCCtxBuffer);
|
|
free(staticDCtxBuffer);
|
|
}
|
|
|
|
DISPLAYLEVEL(3, "test%3i : Static context sizes for negative levels : ", testNb++);
|
|
{ size_t const cctxSizeN1 = ZSTD_estimateCCtxSize(-1);
|
|
size_t const cctxSizeP1 = ZSTD_estimateCCtxSize(1);
|
|
size_t const cstreamSizeN1 = ZSTD_estimateCStreamSize(-1);
|
|
size_t const cstreamSizeP1 = ZSTD_estimateCStreamSize(1);
|
|
|
|
if (!(0 < cctxSizeN1 && cctxSizeN1 <= cctxSizeP1)) goto _output_error;
|
|
if (!(0 < cstreamSizeN1 && cstreamSizeN1 <= cstreamSizeP1)) goto _output_error;
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
|
|
/* ZSTDMT simple MT compression test */
|
|
DISPLAYLEVEL(3, "test%3i : create ZSTDMT CCtx : ", testNb++);
|
|
{ ZSTD_CCtx* const mtctx = ZSTD_createCCtx();
|
|
if (mtctx==NULL) {
|
|
DISPLAY("mtctx : not enough memory, aborting \n");
|
|
testResult = 1;
|
|
goto _end;
|
|
}
|
|
CHECK_Z( ZSTD_CCtx_setParameter(mtctx, ZSTD_c_nbWorkers, 2) );
|
|
CHECK_Z( ZSTD_CCtx_setParameter(mtctx, ZSTD_c_compressionLevel, 1) );
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3u : compress %u bytes with 2 threads : ", testNb++, (unsigned)CNBuffSize);
|
|
CHECK_VAR(cSize, ZSTD_compress2(mtctx,
|
|
compressedBuffer, compressedBufferSize,
|
|
CNBuffer, CNBuffSize) );
|
|
DISPLAYLEVEL(3, "OK (%u bytes : %.2f%%)\n", (unsigned)cSize, (double)cSize/CNBuffSize*100);
|
|
|
|
DISPLAYLEVEL(3, "test%3i : decompressed size test : ", testNb++);
|
|
{ unsigned long long const rSize = ZSTD_getFrameContentSize(compressedBuffer, cSize);
|
|
if (rSize != CNBuffSize) {
|
|
DISPLAY("ZSTD_getFrameContentSize incorrect : %u != %u \n", (unsigned)rSize, (unsigned)CNBuffSize);
|
|
goto _output_error;
|
|
} }
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : decompress %u bytes : ", testNb++, (unsigned)CNBuffSize);
|
|
{ size_t const r = ZSTD_decompress(decodedBuffer, CNBuffSize, compressedBuffer, cSize);
|
|
if (r != CNBuffSize) goto _output_error; }
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : check decompressed result : ", testNb++);
|
|
{ size_t u;
|
|
for (u=0; u<CNBuffSize; u++) {
|
|
if (((BYTE*)decodedBuffer)[u] != ((BYTE*)CNBuffer)[u]) goto _output_error;
|
|
} }
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : compress -T2 with checksum : ", testNb++);
|
|
CHECK_Z( ZSTD_CCtx_setParameter(mtctx, ZSTD_c_checksumFlag, 1) );
|
|
CHECK_Z( ZSTD_CCtx_setParameter(mtctx, ZSTD_c_contentSizeFlag, 1) );
|
|
CHECK_Z( ZSTD_CCtx_setParameter(mtctx, ZSTD_c_overlapLog, 3) );
|
|
CHECK_VAR(cSize, ZSTD_compress2(mtctx,
|
|
compressedBuffer, compressedBufferSize,
|
|
CNBuffer, CNBuffSize) );
|
|
DISPLAYLEVEL(3, "OK (%u bytes : %.2f%%)\n", (unsigned)cSize, (double)cSize/CNBuffSize*100);
|
|
|
|
DISPLAYLEVEL(3, "test%3i : decompress %u bytes : ", testNb++, (unsigned)CNBuffSize);
|
|
{ size_t const r = ZSTD_decompress(decodedBuffer, CNBuffSize, compressedBuffer, cSize);
|
|
if (r != CNBuffSize) goto _output_error; }
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
ZSTD_freeCCtx(mtctx);
|
|
}
|
|
|
|
DISPLAYLEVEL(3, "test%3u : compress empty string and decompress with small window log : ", testNb++);
|
|
{ ZSTD_CCtx* const cctx = ZSTD_createCCtx();
|
|
ZSTD_DCtx* const dctx = ZSTD_createDCtx();
|
|
char out[32];
|
|
if (cctx == NULL || dctx == NULL) goto _output_error;
|
|
CHECK_Z( ZSTD_CCtx_setParameter(cctx, ZSTD_c_contentSizeFlag, 0) );
|
|
CHECK_VAR(cSize, ZSTD_compress2(cctx, out, sizeof(out), NULL, 0) );
|
|
DISPLAYLEVEL(3, "OK (%u bytes)\n", (unsigned)cSize);
|
|
|
|
CHECK_Z( ZSTD_DCtx_setParameter(dctx, ZSTD_d_windowLogMax, 10) );
|
|
{ char const* outPtr = out;
|
|
ZSTD_inBuffer inBuffer = { outPtr, cSize, 0 };
|
|
ZSTD_outBuffer outBuffer = { NULL, 0, 0 };
|
|
size_t dSize;
|
|
CHECK_VAR(dSize, ZSTD_decompressStream(dctx, &outBuffer, &inBuffer) );
|
|
if (dSize != 0) goto _output_error;
|
|
}
|
|
|
|
ZSTD_freeDCtx(dctx);
|
|
ZSTD_freeCCtx(cctx);
|
|
}
|
|
|
|
DISPLAYLEVEL(3, "test%3i : compress with block splitting : ", testNb++)
|
|
{ ZSTD_CCtx* cctx = ZSTD_createCCtx();
|
|
CHECK_Z( ZSTD_CCtx_setParameter(cctx, ZSTD_c_useBlockSplitter, ZSTD_ps_enable) );
|
|
cSize = ZSTD_compress2(cctx, compressedBuffer, compressedBufferSize, CNBuffer, CNBuffSize);
|
|
CHECK_Z(cSize);
|
|
ZSTD_freeCCtx(cctx);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : compress -T2 with/without literals compression : ", testNb++)
|
|
{ ZSTD_CCtx* cctx = ZSTD_createCCtx();
|
|
size_t cSize1, cSize2;
|
|
CHECK_Z( ZSTD_CCtx_setParameter(cctx, ZSTD_c_compressionLevel, 1) );
|
|
CHECK_Z( ZSTD_CCtx_setParameter(cctx, ZSTD_c_nbWorkers, 2) );
|
|
cSize1 = ZSTD_compress2(cctx, compressedBuffer, compressedBufferSize, CNBuffer, CNBuffSize);
|
|
CHECK_Z(cSize1);
|
|
CHECK_Z( ZSTD_CCtx_setParameter(cctx, ZSTD_c_literalCompressionMode, ZSTD_ps_disable) );
|
|
cSize2 = ZSTD_compress2(cctx, compressedBuffer, compressedBufferSize, CNBuffer, CNBuffSize);
|
|
CHECK_Z(cSize2);
|
|
CHECK_LT(cSize1, cSize2);
|
|
ZSTD_freeCCtx(cctx);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : Multithreaded ZSTD_compress2() with rsyncable : ", testNb++)
|
|
{ ZSTD_CCtx* cctx = ZSTD_createCCtx();
|
|
/* Set rsyncable and don't give the ZSTD_compressBound(CNBuffSize) so
|
|
* ZSTDMT is forced to not take the shortcut.
|
|
*/
|
|
CHECK_Z( ZSTD_CCtx_setParameter(cctx, ZSTD_c_compressionLevel, 1) );
|
|
CHECK_Z( ZSTD_CCtx_setParameter(cctx, ZSTD_c_nbWorkers, 1) );
|
|
CHECK_Z( ZSTD_CCtx_setParameter(cctx, ZSTD_c_rsyncable, 1) );
|
|
CHECK_Z( ZSTD_compress2(cctx, compressedBuffer, compressedBufferSize - 1, CNBuffer, CNBuffSize) );
|
|
ZSTD_freeCCtx(cctx);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : setting multithreaded parameters : ", testNb++)
|
|
{ ZSTD_CCtx_params* params = ZSTD_createCCtxParams();
|
|
int const jobSize = 512 KB;
|
|
int value;
|
|
/* Check that the overlap log and job size are unset. */
|
|
CHECK_Z( ZSTD_CCtxParams_getParameter(params, ZSTD_c_overlapLog, &value) );
|
|
CHECK_EQ(value, 0);
|
|
CHECK_Z( ZSTD_CCtxParams_getParameter(params, ZSTD_c_jobSize, &value) );
|
|
CHECK_EQ(value, 0);
|
|
/* Set and check the overlap log and job size. */
|
|
CHECK_Z( ZSTD_CCtxParams_setParameter(params, ZSTD_c_overlapLog, 5) );
|
|
CHECK_Z( ZSTD_CCtxParams_setParameter(params, ZSTD_c_jobSize, jobSize) );
|
|
CHECK_Z( ZSTD_CCtxParams_getParameter(params, ZSTD_c_overlapLog, &value) );
|
|
CHECK_EQ(value, 5);
|
|
CHECK_Z( ZSTD_CCtxParams_getParameter(params, ZSTD_c_jobSize, &value) );
|
|
CHECK_EQ(value, jobSize);
|
|
/* Set the number of workers and check the overlap log and job size. */
|
|
CHECK_Z( ZSTD_CCtxParams_setParameter(params, ZSTD_c_nbWorkers, 2) );
|
|
CHECK_Z( ZSTD_CCtxParams_getParameter(params, ZSTD_c_overlapLog, &value) );
|
|
CHECK_EQ(value, 5);
|
|
CHECK_Z( ZSTD_CCtxParams_getParameter(params, ZSTD_c_jobSize, &value) );
|
|
CHECK_EQ(value, jobSize);
|
|
ZSTD_freeCCtxParams(params);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
/* Simple API multiframe test */
|
|
DISPLAYLEVEL(3, "test%3i : compress multiple frames : ", testNb++);
|
|
{ size_t off = 0;
|
|
int i;
|
|
int const segs = 4;
|
|
/* only use the first half so we don't push against size limit of compressedBuffer */
|
|
size_t const segSize = (CNBuffSize / 2) / segs;
|
|
|
|
const U32 skipLen = 129 KB;
|
|
char* const skipBuff = (char*)malloc(skipLen);
|
|
assert(skipBuff != NULL);
|
|
memset(skipBuff, 0, skipLen);
|
|
for (i = 0; i < segs; i++) {
|
|
CHECK_NEWV(r, ZSTD_compress(
|
|
(BYTE*)compressedBuffer + off, CNBuffSize - off,
|
|
(BYTE*)CNBuffer + segSize * (size_t)i, segSize,
|
|
5) );
|
|
off += r;
|
|
if (i == segs/2) {
|
|
/* insert skippable frame */
|
|
size_t const skippableSize =
|
|
ZSTD_writeSkippableFrame((BYTE*)compressedBuffer + off, compressedBufferSize,
|
|
skipBuff, skipLen, seed % 15);
|
|
CHECK_Z(skippableSize);
|
|
off += skippableSize;
|
|
}
|
|
}
|
|
cSize = off;
|
|
free(skipBuff);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : get decompressed size of multiple frames : ", testNb++);
|
|
{ unsigned long long const r = ZSTD_findDecompressedSize(compressedBuffer, cSize);
|
|
if (r != CNBuffSize / 2) goto _output_error; }
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : get tight decompressed bound of multiple frames : ", testNb++);
|
|
{ unsigned long long const bound = ZSTD_decompressBound(compressedBuffer, cSize);
|
|
if (bound != CNBuffSize / 2) goto _output_error; }
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : decompress multiple frames : ", testNb++);
|
|
{ CHECK_NEWV(r, ZSTD_decompress(decodedBuffer, CNBuffSize, compressedBuffer, cSize));
|
|
if (r != CNBuffSize / 2) goto _output_error; }
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : check decompressed result : ", testNb++);
|
|
if (memcmp(decodedBuffer, CNBuffer, CNBuffSize / 2) != 0) goto _output_error;
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
/* Simple API skippable frame test */
|
|
DISPLAYLEVEL(3, "test%3i : read/write a skippable frame : ", testNb++);
|
|
{ U32 i;
|
|
unsigned readMagic;
|
|
unsigned long long receivedSize;
|
|
size_t skippableSize;
|
|
const U32 skipLen = 129 KB;
|
|
char* const skipBuff = (char*)malloc(skipLen);
|
|
assert(skipBuff != NULL);
|
|
for (i = 0; i < skipLen; i++)
|
|
skipBuff[i] = (char) ((seed + i) % 256);
|
|
skippableSize = ZSTD_writeSkippableFrame(
|
|
compressedBuffer, compressedBufferSize,
|
|
skipBuff, skipLen, seed % 15);
|
|
CHECK_Z(skippableSize);
|
|
CHECK_EQ(1, ZSTD_isSkippableFrame(compressedBuffer, skippableSize));
|
|
receivedSize = ZSTD_readSkippableFrame(decodedBuffer, CNBuffSize, &readMagic, compressedBuffer, skippableSize);
|
|
CHECK_EQ(skippableSize, receivedSize + ZSTD_SKIPPABLEHEADERSIZE);
|
|
CHECK_EQ(seed % 15, readMagic);
|
|
if (memcmp(decodedBuffer, skipBuff, skipLen) != 0) goto _output_error;
|
|
|
|
free(skipBuff);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : read/write an empty skippable frame : ", testNb++);
|
|
{
|
|
unsigned readMagic;
|
|
unsigned long long receivedSize;
|
|
size_t skippableSize;
|
|
skippableSize = ZSTD_writeSkippableFrame(
|
|
compressedBuffer, compressedBufferSize,
|
|
CNBuffer, 0, seed % 15);
|
|
CHECK_EQ(ZSTD_SKIPPABLEHEADERSIZE, skippableSize);
|
|
CHECK_EQ(1, ZSTD_isSkippableFrame(compressedBuffer, skippableSize));
|
|
receivedSize = ZSTD_readSkippableFrame(NULL, 0, &readMagic, compressedBuffer, skippableSize);
|
|
CHECK_EQ(skippableSize, receivedSize + ZSTD_SKIPPABLEHEADERSIZE);
|
|
CHECK_EQ(seed % 15, readMagic);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
/* Dictionary and CCtx Duplication tests */
|
|
{ ZSTD_CCtx* const ctxOrig = ZSTD_createCCtx();
|
|
ZSTD_CCtx* const ctxDuplicated = ZSTD_createCCtx();
|
|
ZSTD_DCtx* const dctx = ZSTD_createDCtx();
|
|
static const size_t dictSize = 551;
|
|
assert(dctx != NULL); assert(ctxOrig != NULL); assert(ctxDuplicated != NULL);
|
|
|
|
DISPLAYLEVEL(3, "test%3i : copy context too soon : ", testNb++);
|
|
{ size_t const copyResult = ZSTD_copyCCtx(ctxDuplicated, ctxOrig, 0);
|
|
if (!ZSTD_isError(copyResult)) goto _output_error; } /* error must be detected */
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : load dictionary into context : ", testNb++);
|
|
CHECK_Z( ZSTD_compressBegin_usingDict(ctxOrig, CNBuffer, dictSize, 2) );
|
|
CHECK_Z( ZSTD_copyCCtx(ctxDuplicated, ctxOrig, 0) ); /* Begin_usingDict implies unknown srcSize, so match that */
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : compress with flat dictionary : ", testNb++);
|
|
cSize = 0;
|
|
CHECKPLUS(r, ZSTD_compressEnd(ctxOrig,
|
|
compressedBuffer, compressedBufferSize,
|
|
(const char*)CNBuffer + dictSize, CNBuffSize - dictSize),
|
|
cSize += r);
|
|
DISPLAYLEVEL(3, "OK (%u bytes : %.2f%%)\n", (unsigned)cSize, (double)cSize/CNBuffSize*100);
|
|
|
|
DISPLAYLEVEL(3, "test%3i : frame built with flat dictionary should be decompressible : ", testNb++);
|
|
CHECKPLUS(r, ZSTD_decompress_usingDict(dctx,
|
|
decodedBuffer, CNBuffSize,
|
|
compressedBuffer, cSize,
|
|
CNBuffer, dictSize),
|
|
if (r != CNBuffSize - dictSize) goto _output_error);
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : compress with duplicated context : ", testNb++);
|
|
{ size_t const cSizeOrig = cSize;
|
|
cSize = 0;
|
|
CHECKPLUS(r, ZSTD_compressEnd(ctxDuplicated,
|
|
compressedBuffer, compressedBufferSize,
|
|
(const char*)CNBuffer + dictSize, CNBuffSize - dictSize),
|
|
cSize += r);
|
|
if (cSize != cSizeOrig) goto _output_error; /* should be identical ==> same size */
|
|
}
|
|
DISPLAYLEVEL(3, "OK (%u bytes : %.2f%%)\n", (unsigned)cSize, (double)cSize/CNBuffSize*100);
|
|
|
|
DISPLAYLEVEL(3, "test%3i : frame built with duplicated context should be decompressible : ", testNb++);
|
|
CHECKPLUS(r, ZSTD_decompress_usingDict(dctx,
|
|
decodedBuffer, CNBuffSize,
|
|
compressedBuffer, cSize,
|
|
CNBuffer, dictSize),
|
|
if (r != CNBuffSize - dictSize) goto _output_error);
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : decompress with DDict : ", testNb++);
|
|
{ ZSTD_DDict* const ddict = ZSTD_createDDict(CNBuffer, dictSize);
|
|
size_t const r = ZSTD_decompress_usingDDict(dctx, decodedBuffer, CNBuffSize, compressedBuffer, cSize, ddict);
|
|
if (r != CNBuffSize - dictSize) goto _output_error;
|
|
DISPLAYLEVEL(3, "OK (size of DDict : %u) \n", (unsigned)ZSTD_sizeof_DDict(ddict));
|
|
ZSTD_freeDDict(ddict);
|
|
}
|
|
|
|
DISPLAYLEVEL(3, "test%3i : decompress with static DDict : ", testNb++);
|
|
{ size_t const ddictBufferSize = ZSTD_estimateDDictSize(dictSize, ZSTD_dlm_byCopy);
|
|
void* const ddictBuffer = malloc(ddictBufferSize);
|
|
if (ddictBuffer == NULL) goto _output_error;
|
|
{ const ZSTD_DDict* const ddict = ZSTD_initStaticDDict(ddictBuffer, ddictBufferSize, CNBuffer, dictSize, ZSTD_dlm_byCopy, ZSTD_dct_auto);
|
|
size_t const r = ZSTD_decompress_usingDDict(dctx, decodedBuffer, CNBuffSize, compressedBuffer, cSize, ddict);
|
|
if (r != CNBuffSize - dictSize) goto _output_error;
|
|
}
|
|
free(ddictBuffer);
|
|
DISPLAYLEVEL(3, "OK (size of static DDict : %u) \n", (unsigned)ddictBufferSize);
|
|
}
|
|
|
|
DISPLAYLEVEL(3, "test%3i : check content size on duplicated context : ", testNb++);
|
|
{ size_t const testSize = CNBuffSize / 3;
|
|
CHECK_Z( ZSTD_compressBegin(ctxOrig, ZSTD_defaultCLevel()) );
|
|
CHECK_Z( ZSTD_copyCCtx(ctxDuplicated, ctxOrig, testSize) );
|
|
|
|
CHECK_VAR(cSize, ZSTD_compressEnd(ctxDuplicated, compressedBuffer, ZSTD_compressBound(testSize),
|
|
(const char*)CNBuffer + dictSize, testSize) );
|
|
{ ZSTD_frameHeader zfh;
|
|
if (ZSTD_getFrameHeader(&zfh, compressedBuffer, cSize)) goto _output_error;
|
|
if ((zfh.frameContentSize != testSize) && (zfh.frameContentSize != 0)) goto _output_error;
|
|
} }
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
#if !defined(ZSTD_EXCLUDE_DFAST_BLOCK_COMPRESSOR) \
|
|
&& !defined(ZSTD_EXCLUDE_GREEDY_BLOCK_COMPRESSOR) \
|
|
&& !defined(ZSTD_EXCLUDE_DFAST_BLOCK_COMPRESSOR) \
|
|
&& !defined(ZSTD_EXCLUDE_LAZY_BLOCK_COMPRESSOR) \
|
|
&& !defined(ZSTD_EXCLUDE_LAZY2_BLOCK_COMPRESSOR) \
|
|
&& !defined(ZSTD_EXCLUDE_BTLAZY2_BLOCK_COMPRESSOR) \
|
|
&& !defined(ZSTD_EXCLUDE_BTOPT_BLOCK_COMPRESSOR) \
|
|
&& !defined(ZSTD_EXCLUDE_BTULTRA_BLOCK_COMPRESSOR)
|
|
/* Note : these tests should be replaced by proper regression tests,
|
|
* but existing ones do not focus on small data + dictionary + all levels.
|
|
*/
|
|
if ((int)(compressibility * 100 + 0.1) == FUZ_compressibility_default) { /* test only valid with known input */
|
|
size_t const flatdictSize = 22 KB;
|
|
size_t const contentSize = 9 KB;
|
|
const void* const dict = (const char*)CNBuffer;
|
|
const void* const contentStart = (const char*)dict + flatdictSize;
|
|
/* These upper bounds are generally within a few bytes of the compressed size */
|
|
size_t target_nodict_cSize[22+1] = { 3840, 3770, 3870, 3830, 3770,
|
|
3770, 3770, 3770, 3750, 3750,
|
|
3742, 3675, 3674, 3665, 3664,
|
|
3663, 3662, 3661, 3660, 3660,
|
|
3660, 3660, 3660 };
|
|
size_t const target_wdict_cSize[22+1] = { 2830, 2896, 2893, 2820, 2940,
|
|
2950, 2950, 2925, 2900, 2892,
|
|
2910, 2910, 2910, 2780, 2775,
|
|
2765, 2760, 2755, 2754, 2753,
|
|
2753, 2753, 2753 };
|
|
int l = 1;
|
|
int const maxLevel = ZSTD_maxCLevel();
|
|
/* clevels with strategies that support rowhash on small inputs */
|
|
int rowLevel = 4;
|
|
int const rowLevelEnd = 8;
|
|
|
|
DISPLAYLEVEL(3, "test%3i : flat-dictionary efficiency test : \n", testNb++);
|
|
assert(maxLevel == 22);
|
|
RDG_genBuffer(CNBuffer, flatdictSize + contentSize, compressibility, 0., seed);
|
|
DISPLAYLEVEL(4, "content hash : %016llx; dict hash : %016llx \n",
|
|
(unsigned long long)XXH64(contentStart, contentSize, 0),
|
|
(unsigned long long)XXH64(dict, flatdictSize, 0));
|
|
|
|
for ( ; l <= maxLevel; l++) {
|
|
size_t const nodict_cSize = ZSTD_compress(compressedBuffer, compressedBufferSize,
|
|
contentStart, contentSize, l);
|
|
if (nodict_cSize > target_nodict_cSize[l]) {
|
|
DISPLAYLEVEL(1, "error : compression at level %i worse than expected (%u > %u) \n",
|
|
l, (unsigned)nodict_cSize, (unsigned)target_nodict_cSize[l]);
|
|
goto _output_error;
|
|
}
|
|
DISPLAYLEVEL(4, "level %i : max expected %u >= reached %u \n",
|
|
l, (unsigned)target_nodict_cSize[l], (unsigned)nodict_cSize);
|
|
}
|
|
for ( l=1 ; l <= maxLevel; l++) {
|
|
size_t const wdict_cSize = ZSTD_compress_usingDict(ctxOrig,
|
|
compressedBuffer, compressedBufferSize,
|
|
contentStart, contentSize,
|
|
dict, flatdictSize,
|
|
l);
|
|
if (wdict_cSize > target_wdict_cSize[l]) {
|
|
DISPLAYLEVEL(1, "error : compression with dictionary at level %i worse than expected (%u > %u) \n",
|
|
l, (unsigned)wdict_cSize, (unsigned)target_wdict_cSize[l]);
|
|
goto _output_error;
|
|
}
|
|
DISPLAYLEVEL(4, "level %i with dictionary : max expected %u >= reached %u \n",
|
|
l, (unsigned)target_wdict_cSize[l], (unsigned)wdict_cSize);
|
|
}
|
|
/* Compression with ZSTD_compress2 and row match finder force enabled.
|
|
* Give some slack for force-enabled row matchfinder since we're on a small input (9KB)
|
|
*/
|
|
for ( ; rowLevel <= rowLevelEnd; ++rowLevel) target_nodict_cSize[rowLevel] += 5;
|
|
for (l=1 ; l <= maxLevel; l++) {
|
|
ZSTD_CCtx* const cctx = ZSTD_createCCtx();
|
|
size_t nodict_cSize;
|
|
ZSTD_CCtx_setParameter(cctx, ZSTD_c_compressionLevel, l);
|
|
ZSTD_CCtx_setParameter(cctx, ZSTD_c_useRowMatchFinder, ZSTD_ps_enable);
|
|
nodict_cSize = ZSTD_compress2(cctx, compressedBuffer, compressedBufferSize,
|
|
contentStart, contentSize);
|
|
if (nodict_cSize > target_nodict_cSize[l]) {
|
|
DISPLAYLEVEL(1, "error : compression with compress2 at level %i worse than expected (%u > %u) \n",
|
|
l, (unsigned)nodict_cSize, (unsigned)target_nodict_cSize[l]);
|
|
ZSTD_freeCCtx(cctx);
|
|
goto _output_error;
|
|
}
|
|
DISPLAYLEVEL(4, "level %i with compress2 : max expected %u >= reached %u \n",
|
|
l, (unsigned)target_nodict_cSize[l], (unsigned)nodict_cSize);
|
|
ZSTD_freeCCtx(cctx);
|
|
}
|
|
/* Dict compression with DMS */
|
|
for ( l=1 ; l <= maxLevel; l++) {
|
|
size_t wdict_cSize;
|
|
CHECK_Z( ZSTD_CCtx_loadDictionary(ctxOrig, dict, flatdictSize) );
|
|
CHECK_Z( ZSTD_CCtx_setParameter(ctxOrig, ZSTD_c_compressionLevel, l) );
|
|
CHECK_Z( ZSTD_CCtx_setParameter(ctxOrig, ZSTD_c_enableDedicatedDictSearch, 0) );
|
|
CHECK_Z( ZSTD_CCtx_setParameter(ctxOrig, ZSTD_c_forceAttachDict, ZSTD_dictForceAttach) );
|
|
CHECK_Z( ZSTD_CCtx_setParameter(ctxOrig, ZSTD_c_prefetchCDictTables, seed % 3) );
|
|
wdict_cSize = ZSTD_compress2(ctxOrig, compressedBuffer, compressedBufferSize, contentStart, contentSize);
|
|
if (wdict_cSize > target_wdict_cSize[l]) {
|
|
DISPLAYLEVEL(1, "error : compression with dictionary and compress2 at level %i worse than expected (%u > %u) \n",
|
|
l, (unsigned)wdict_cSize, (unsigned)target_wdict_cSize[l]);
|
|
goto _output_error;
|
|
}
|
|
DISPLAYLEVEL(4, "level %i with dictionary and compress2 : max expected %u >= reached %u \n",
|
|
l, (unsigned)target_wdict_cSize[l], (unsigned)wdict_cSize);
|
|
}
|
|
|
|
DISPLAYLEVEL(4, "compression efficiency tests OK \n");
|
|
}
|
|
#endif
|
|
|
|
ZSTD_freeCCtx(ctxOrig);
|
|
ZSTD_freeCCtx(ctxDuplicated);
|
|
ZSTD_freeDCtx(dctx);
|
|
}
|
|
|
|
/* Dictionary and dictBuilder tests */
|
|
{ ZSTD_CCtx* const cctx = ZSTD_createCCtx();
|
|
size_t const dictBufferCapacity = 16 KB;
|
|
void* const dictBuffer = malloc(dictBufferCapacity);
|
|
size_t const totalSampleSize = 1 MB;
|
|
size_t const sampleUnitSize = 8 KB;
|
|
U32 const nbSamples = (U32)(totalSampleSize / sampleUnitSize);
|
|
size_t* const samplesSizes = (size_t*) malloc(nbSamples * sizeof(size_t));
|
|
size_t dictSize;
|
|
U32 dictID;
|
|
size_t dictHeaderSize;
|
|
size_t dictBufferFixedSize = 144;
|
|
unsigned char const dictBufferFixed[144] = {0x37, 0xa4, 0x30, 0xec, 0x63, 0x00, 0x00, 0x00, 0x08, 0x10, 0x00, 0x1f,
|
|
0x0f, 0x00, 0x28, 0xe5, 0x03, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x80, 0x0f, 0x9e, 0x0f, 0x00, 0x00, 0x24, 0x40, 0x80, 0x00, 0x01,
|
|
0x02, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0xde, 0x08,
|
|
0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08,
|
|
0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08,
|
|
0x08, 0x08, 0x08, 0x08, 0xbc, 0xe1, 0x4b, 0x92, 0x0e, 0xb4, 0x7b, 0x18,
|
|
0x86, 0x61, 0x18, 0xc6, 0x18, 0x63, 0x8c, 0x31, 0xc6, 0x18, 0x63, 0x8c,
|
|
0x31, 0x66, 0x66, 0x66, 0x66, 0xb6, 0x6d, 0x01, 0x00, 0x00, 0x00, 0x04,
|
|
0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x20, 0x73, 0x6f, 0x64, 0x61,
|
|
0x6c, 0x65, 0x73, 0x20, 0x74, 0x6f, 0x72, 0x74, 0x6f, 0x72, 0x20, 0x65,
|
|
0x6c, 0x65, 0x69, 0x66, 0x65, 0x6e, 0x64, 0x2e, 0x20, 0x41, 0x6c, 0x69};
|
|
|
|
if (dictBuffer==NULL || samplesSizes==NULL) {
|
|
free(dictBuffer);
|
|
free(samplesSizes);
|
|
goto _output_error;
|
|
}
|
|
|
|
DISPLAYLEVEL(3, "test%3i : dictBuilder on cyclic data : ", testNb++);
|
|
assert(compressedBufferSize >= totalSampleSize);
|
|
{ U32 u; for (u=0; u<totalSampleSize; u++) ((BYTE*)decodedBuffer)[u] = (BYTE)u; }
|
|
{ U32 u; for (u=0; u<nbSamples; u++) samplesSizes[u] = sampleUnitSize; }
|
|
{ size_t const sDictSize = ZDICT_trainFromBuffer(dictBuffer, dictBufferCapacity,
|
|
decodedBuffer, samplesSizes, nbSamples);
|
|
if (ZDICT_isError(sDictSize)) goto _output_error;
|
|
DISPLAYLEVEL(3, "OK, created dictionary of size %u \n", (unsigned)sDictSize);
|
|
}
|
|
|
|
DISPLAYLEVEL(3, "test%3i : dictBuilder : ", testNb++);
|
|
{ U32 u; for (u=0; u<nbSamples; u++) samplesSizes[u] = sampleUnitSize; }
|
|
dictSize = ZDICT_trainFromBuffer(dictBuffer, dictBufferCapacity,
|
|
CNBuffer, samplesSizes, nbSamples);
|
|
if (ZDICT_isError(dictSize)) goto _output_error;
|
|
DISPLAYLEVEL(3, "OK, created dictionary of size %u \n", (unsigned)dictSize);
|
|
|
|
DISPLAYLEVEL(3, "test%3i : Multithreaded COVER dictBuilder : ", testNb++);
|
|
{ U32 u; for (u=0; u<nbSamples; u++) samplesSizes[u] = sampleUnitSize; }
|
|
{ ZDICT_cover_params_t coverParams;
|
|
memset(&coverParams, 0, sizeof(coverParams));
|
|
coverParams.steps = 8;
|
|
coverParams.nbThreads = 4;
|
|
dictSize = ZDICT_optimizeTrainFromBuffer_cover(
|
|
dictBuffer, dictBufferCapacity,
|
|
CNBuffer, samplesSizes, nbSamples/8, /* less samples for faster tests */
|
|
&coverParams);
|
|
if (ZDICT_isError(dictSize)) goto _output_error;
|
|
}
|
|
DISPLAYLEVEL(3, "OK, created dictionary of size %u \n", (unsigned)dictSize);
|
|
|
|
DISPLAYLEVEL(3, "test%3i : COVER dictBuilder with shrinkDict: ", testNb++);
|
|
{ U32 u; for (u=0; u<nbSamples; u++) samplesSizes[u] = sampleUnitSize; }
|
|
{ ZDICT_cover_params_t coverParams;
|
|
memset(&coverParams, 0, sizeof(coverParams));
|
|
coverParams.steps = 8;
|
|
coverParams.nbThreads = 4;
|
|
coverParams.shrinkDict = 1;
|
|
coverParams.shrinkDictMaxRegression = 1;
|
|
dictSize = ZDICT_optimizeTrainFromBuffer_cover(
|
|
dictBuffer, dictBufferCapacity,
|
|
CNBuffer, samplesSizes, nbSamples/8, /* less samples for faster tests */
|
|
&coverParams);
|
|
if (ZDICT_isError(dictSize)) goto _output_error;
|
|
}
|
|
DISPLAYLEVEL(3, "OK, created dictionary of size %u \n", (unsigned)dictSize);
|
|
|
|
DISPLAYLEVEL(3, "test%3i : Multithreaded FASTCOVER dictBuilder : ", testNb++);
|
|
{ U32 u; for (u=0; u<nbSamples; u++) samplesSizes[u] = sampleUnitSize; }
|
|
{ ZDICT_fastCover_params_t fastCoverParams;
|
|
memset(&fastCoverParams, 0, sizeof(fastCoverParams));
|
|
fastCoverParams.steps = 8;
|
|
fastCoverParams.nbThreads = 4;
|
|
dictSize = ZDICT_optimizeTrainFromBuffer_fastCover(
|
|
dictBuffer, dictBufferCapacity,
|
|
CNBuffer, samplesSizes, nbSamples,
|
|
&fastCoverParams);
|
|
if (ZDICT_isError(dictSize)) goto _output_error;
|
|
}
|
|
DISPLAYLEVEL(3, "OK, created dictionary of size %u \n", (unsigned)dictSize);
|
|
|
|
DISPLAYLEVEL(3, "test%3i : FASTCOVER dictBuilder with shrinkDict: ", testNb++);
|
|
{ U32 u; for (u=0; u<nbSamples; u++) samplesSizes[u] = sampleUnitSize; }
|
|
{ ZDICT_fastCover_params_t fastCoverParams;
|
|
memset(&fastCoverParams, 0, sizeof(fastCoverParams));
|
|
fastCoverParams.steps = 8;
|
|
fastCoverParams.nbThreads = 4;
|
|
fastCoverParams.shrinkDict = 1;
|
|
fastCoverParams.shrinkDictMaxRegression = 1;
|
|
dictSize = ZDICT_optimizeTrainFromBuffer_fastCover(
|
|
dictBuffer, dictBufferCapacity,
|
|
CNBuffer, samplesSizes, nbSamples,
|
|
&fastCoverParams);
|
|
if (ZDICT_isError(dictSize)) goto _output_error;
|
|
}
|
|
DISPLAYLEVEL(3, "OK, created dictionary of size %u \n", (unsigned)dictSize);
|
|
|
|
DISPLAYLEVEL(3, "test%3i : check dictID : ", testNb++);
|
|
dictID = ZDICT_getDictID(dictBuffer, dictSize);
|
|
if (dictID==0) goto _output_error;
|
|
DISPLAYLEVEL(3, "OK : %u \n", (unsigned)dictID);
|
|
|
|
DISPLAYLEVEL(3, "test%3i : check dict header size no error : ", testNb++);
|
|
dictHeaderSize = ZDICT_getDictHeaderSize(dictBuffer, dictSize);
|
|
if (dictHeaderSize==0) goto _output_error;
|
|
DISPLAYLEVEL(3, "OK : %u \n", (unsigned)dictHeaderSize);
|
|
|
|
DISPLAYLEVEL(3, "test%3i : check dict header size correctness : ", testNb++);
|
|
{ dictHeaderSize = ZDICT_getDictHeaderSize(dictBufferFixed, dictBufferFixedSize);
|
|
if (dictHeaderSize != 115) goto _output_error;
|
|
}
|
|
DISPLAYLEVEL(3, "OK : %u \n", (unsigned)dictHeaderSize);
|
|
|
|
DISPLAYLEVEL(3, "test%3i : compress with dictionary : ", testNb++);
|
|
cSize = ZSTD_compress_usingDict(cctx, compressedBuffer, compressedBufferSize,
|
|
CNBuffer, CNBuffSize,
|
|
dictBuffer, dictSize, 4);
|
|
if (ZSTD_isError(cSize)) goto _output_error;
|
|
DISPLAYLEVEL(3, "OK (%u bytes : %.2f%%)\n", (unsigned)cSize, (double)cSize/CNBuffSize*100);
|
|
|
|
DISPLAYLEVEL(3, "test%3i : retrieve dictID from dictionary : ", testNb++);
|
|
{ U32 const did = ZSTD_getDictID_fromDict(dictBuffer, dictSize);
|
|
if (did != dictID) goto _output_error; /* non-conformant (content-only) dictionary */
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : retrieve dictID from frame : ", testNb++);
|
|
{ U32 const did = ZSTD_getDictID_fromFrame(compressedBuffer, cSize);
|
|
if (did != dictID) goto _output_error; /* non-conformant (content-only) dictionary */
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : frame built with dictionary should be decompressible : ", testNb++);
|
|
{ ZSTD_DCtx* const dctx = ZSTD_createDCtx(); assert(dctx != NULL);
|
|
CHECKPLUS(r, ZSTD_decompress_usingDict(dctx,
|
|
decodedBuffer, CNBuffSize,
|
|
compressedBuffer, cSize,
|
|
dictBuffer, dictSize),
|
|
if (r != CNBuffSize) goto _output_error);
|
|
ZSTD_freeDCtx(dctx);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : estimate CDict size : ", testNb++);
|
|
{ ZSTD_compressionParameters const cParams = ZSTD_getCParams(1, CNBuffSize, dictSize);
|
|
size_t const estimatedSize = ZSTD_estimateCDictSize_advanced(dictSize, cParams, ZSTD_dlm_byRef);
|
|
DISPLAYLEVEL(3, "OK : %u \n", (unsigned)estimatedSize);
|
|
}
|
|
|
|
DISPLAYLEVEL(3, "test%3i : compress with CDict ", testNb++);
|
|
{ ZSTD_compressionParameters const cParams = ZSTD_getCParams(1, CNBuffSize, dictSize);
|
|
ZSTD_CDict* const cdict = ZSTD_createCDict_advanced(dictBuffer, dictSize,
|
|
ZSTD_dlm_byRef, ZSTD_dct_auto,
|
|
cParams, ZSTD_defaultCMem);
|
|
assert(cdict != NULL);
|
|
DISPLAYLEVEL(3, "(size : %u) : ", (unsigned)ZSTD_sizeof_CDict(cdict));
|
|
assert(ZSTD_getDictID_fromDict(dictBuffer, dictSize) == ZSTD_getDictID_fromCDict(cdict));
|
|
cSize = ZSTD_compress_usingCDict(cctx, compressedBuffer, compressedBufferSize,
|
|
CNBuffer, CNBuffSize, cdict);
|
|
ZSTD_freeCDict(cdict);
|
|
if (ZSTD_isError(cSize)) goto _output_error;
|
|
}
|
|
DISPLAYLEVEL(3, "OK (%u bytes : %.2f%%)\n", (unsigned)cSize, (double)cSize/CNBuffSize*100);
|
|
|
|
DISPLAYLEVEL(3, "test%3i : retrieve dictID from frame : ", testNb++);
|
|
{ U32 const did = ZSTD_getDictID_fromFrame(compressedBuffer, cSize);
|
|
if (did != dictID) goto _output_error; /* non-conformant (content-only) dictionary */
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : frame built with dictionary should be decompressible : ", testNb++);
|
|
{ ZSTD_DCtx* const dctx = ZSTD_createDCtx(); assert(dctx != NULL);
|
|
CHECKPLUS(r, ZSTD_decompress_usingDict(dctx,
|
|
decodedBuffer, CNBuffSize,
|
|
compressedBuffer, cSize,
|
|
dictBuffer, dictSize),
|
|
if (r != CNBuffSize) goto _output_error);
|
|
ZSTD_freeDCtx(dctx);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : compress with static CDict : ", testNb++);
|
|
{ int const maxLevel = ZSTD_maxCLevel();
|
|
int level;
|
|
for (level = 1; level <= maxLevel; ++level) {
|
|
ZSTD_compressionParameters const cParams = ZSTD_getCParams(level, CNBuffSize, dictSize);
|
|
size_t const cdictSize = ZSTD_estimateCDictSize_advanced(dictSize, cParams, ZSTD_dlm_byCopy);
|
|
void* const cdictBuffer = malloc(cdictSize);
|
|
if (cdictBuffer==NULL) goto _output_error;
|
|
{ const ZSTD_CDict* const cdict = ZSTD_initStaticCDict(
|
|
cdictBuffer, cdictSize,
|
|
dictBuffer, dictSize,
|
|
ZSTD_dlm_byCopy, ZSTD_dct_auto,
|
|
cParams);
|
|
if (cdict == NULL) {
|
|
DISPLAY("ZSTD_initStaticCDict failed ");
|
|
goto _output_error;
|
|
}
|
|
cSize = ZSTD_compress_usingCDict(cctx,
|
|
compressedBuffer, compressedBufferSize,
|
|
CNBuffer, MIN(10 KB, CNBuffSize), cdict);
|
|
if (ZSTD_isError(cSize)) {
|
|
DISPLAY("ZSTD_compress_usingCDict failed ");
|
|
goto _output_error;
|
|
} }
|
|
free(cdictBuffer);
|
|
} }
|
|
DISPLAYLEVEL(3, "OK (%u bytes : %.2f%%)\n", (unsigned)cSize, (double)cSize/CNBuffSize*100);
|
|
|
|
DISPLAYLEVEL(3, "test%3i : ZSTD_compress_usingCDict_advanced, no contentSize, no dictID : ", testNb++);
|
|
{ ZSTD_frameParameters const fParams = { 0 /* frameSize */, 1 /* checksum */, 1 /* noDictID*/ };
|
|
ZSTD_compressionParameters const cParams = ZSTD_getCParams(1, CNBuffSize, dictSize);
|
|
ZSTD_CDict* const cdict = ZSTD_createCDict_advanced(dictBuffer, dictSize, ZSTD_dlm_byRef, ZSTD_dct_auto, cParams, ZSTD_defaultCMem);
|
|
assert(cdict != NULL);
|
|
cSize = ZSTD_compress_usingCDict_advanced(cctx,
|
|
compressedBuffer, compressedBufferSize,
|
|
CNBuffer, CNBuffSize,
|
|
cdict, fParams);
|
|
ZSTD_freeCDict(cdict);
|
|
if (ZSTD_isError(cSize)) goto _output_error;
|
|
}
|
|
DISPLAYLEVEL(3, "OK (%u bytes : %.2f%%)\n", (unsigned)cSize, (double)cSize/CNBuffSize*100);
|
|
|
|
DISPLAYLEVEL(3, "test%3i : try retrieving contentSize from frame : ", testNb++);
|
|
{ U64 const contentSize = ZSTD_getFrameContentSize(compressedBuffer, cSize);
|
|
if (contentSize != ZSTD_CONTENTSIZE_UNKNOWN) goto _output_error;
|
|
}
|
|
DISPLAYLEVEL(3, "OK (unknown)\n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : frame built without dictID should be decompressible : ", testNb++);
|
|
{ ZSTD_DCtx* const dctx = ZSTD_createDCtx();
|
|
assert(dctx != NULL);
|
|
CHECKPLUS(r, ZSTD_decompress_usingDict(dctx,
|
|
decodedBuffer, CNBuffSize,
|
|
compressedBuffer, cSize,
|
|
dictBuffer, dictSize),
|
|
if (r != CNBuffSize) goto _output_error);
|
|
ZSTD_freeDCtx(dctx);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : ZSTD_compress_advanced, no dictID : ", testNb++);
|
|
{ ZSTD_parameters p = ZSTD_getParams(3, CNBuffSize, dictSize);
|
|
p.fParams.noDictIDFlag = 1;
|
|
cSize = ZSTD_compress_advanced(cctx, compressedBuffer, compressedBufferSize,
|
|
CNBuffer, CNBuffSize,
|
|
dictBuffer, dictSize, p);
|
|
if (ZSTD_isError(cSize)) goto _output_error;
|
|
}
|
|
DISPLAYLEVEL(3, "OK (%u bytes : %.2f%%)\n", (unsigned)cSize, (double)cSize/CNBuffSize*100);
|
|
|
|
DISPLAYLEVEL(3, "test%3i : frame built without dictID should be decompressible : ", testNb++);
|
|
{ ZSTD_DCtx* const dctx = ZSTD_createDCtx(); assert(dctx != NULL);
|
|
CHECKPLUS(r, ZSTD_decompress_usingDict(dctx,
|
|
decodedBuffer, CNBuffSize,
|
|
compressedBuffer, cSize,
|
|
dictBuffer, dictSize),
|
|
if (r != CNBuffSize) goto _output_error);
|
|
ZSTD_freeDCtx(dctx);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : dictionary containing only header should return error : ", testNb++);
|
|
{ ZSTD_DCtx* const dctx = ZSTD_createDCtx();
|
|
assert(dctx != NULL);
|
|
{ const size_t ret = ZSTD_decompress_usingDict(
|
|
dctx, decodedBuffer, CNBuffSize, compressedBuffer, cSize,
|
|
"\x37\xa4\x30\xec\x11\x22\x33\x44", 8);
|
|
if (ZSTD_getErrorCode(ret) != ZSTD_error_dictionary_corrupted)
|
|
goto _output_error;
|
|
}
|
|
ZSTD_freeDCtx(dctx);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3d : bufferless api with cdict : ", testNb++);
|
|
{ ZSTD_CDict* const cdict = ZSTD_createCDict(dictBuffer, dictSize, 1);
|
|
ZSTD_DCtx* const dctx = ZSTD_createDCtx();
|
|
ZSTD_frameParameters const fParams = { 0, 1, 0 };
|
|
size_t cBlockSize;
|
|
cSize = 0;
|
|
CHECK_Z(ZSTD_compressBegin_usingCDict_advanced(cctx, cdict, fParams, ZSTD_CONTENTSIZE_UNKNOWN));
|
|
cBlockSize = ZSTD_compressContinue(cctx, (char*)compressedBuffer + cSize, compressedBufferSize - cSize, CNBuffer, 1000);
|
|
CHECK_Z(cBlockSize);
|
|
cSize += cBlockSize;
|
|
cBlockSize = ZSTD_compressEnd(cctx, (char*)compressedBuffer + cSize, compressedBufferSize - cSize, (char const*)CNBuffer + 2000, 1000);
|
|
CHECK_Z(cBlockSize);
|
|
cSize += cBlockSize;
|
|
|
|
CHECK_Z(ZSTD_decompress_usingDict(dctx, decodedBuffer, CNBuffSize, compressedBuffer, cSize, dictBuffer, dictSize));
|
|
|
|
ZSTD_freeCDict(cdict);
|
|
ZSTD_freeDCtx(dctx);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : Building cdict w/ ZSTD_dct_fullDict on a good dictionary : ", testNb++);
|
|
{ ZSTD_compressionParameters const cParams = ZSTD_getCParams(1, CNBuffSize, dictSize);
|
|
ZSTD_CDict* const cdict = ZSTD_createCDict_advanced(dictBuffer, dictSize, ZSTD_dlm_byRef, ZSTD_dct_fullDict, cParams, ZSTD_defaultCMem);
|
|
if (cdict==NULL) goto _output_error;
|
|
ZSTD_freeCDict(cdict);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : Building cdict w/ ZSTD_dct_fullDict on a rawContent (must fail) : ", testNb++);
|
|
{ ZSTD_compressionParameters const cParams = ZSTD_getCParams(1, CNBuffSize, dictSize);
|
|
ZSTD_CDict* const cdict = ZSTD_createCDict_advanced((const char*)dictBuffer+1, dictSize-1, ZSTD_dlm_byRef, ZSTD_dct_fullDict, cParams, ZSTD_defaultCMem);
|
|
if (cdict!=NULL) goto _output_error;
|
|
ZSTD_freeCDict(cdict);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
{ char* rawDictBuffer = (char*)malloc(dictSize);
|
|
assert(rawDictBuffer);
|
|
memcpy(rawDictBuffer, (char*)dictBuffer + 2, dictSize - 2);
|
|
memset(rawDictBuffer + dictSize - 2, 0, 2);
|
|
MEM_writeLE32((char*)rawDictBuffer, ZSTD_MAGIC_DICTIONARY);
|
|
|
|
DISPLAYLEVEL(3, "test%3i : Loading rawContent starting with dict header w/ ZSTD_dct_auto should fail : ", testNb++);
|
|
{
|
|
size_t ret;
|
|
/* Either operation is allowed to fail, but one must fail. */
|
|
ret = ZSTD_CCtx_loadDictionary_advanced(
|
|
cctx, (const char*)rawDictBuffer, dictSize, ZSTD_dlm_byRef, ZSTD_dct_auto);
|
|
if (!ZSTD_isError(ret)) {
|
|
ret = ZSTD_compress2(cctx, compressedBuffer, compressedBufferSize, CNBuffer, MIN(CNBuffSize, 100));
|
|
if (!ZSTD_isError(ret)) goto _output_error;
|
|
}
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : Loading rawContent starting with dict header w/ ZSTD_dct_rawContent should pass : ", testNb++);
|
|
{
|
|
size_t ret;
|
|
ret = ZSTD_CCtx_loadDictionary_advanced(
|
|
cctx, (const char*)rawDictBuffer, dictSize, ZSTD_dlm_byRef, ZSTD_dct_rawContent);
|
|
if (ZSTD_isError(ret)) goto _output_error;
|
|
ret = ZSTD_compress2(cctx, compressedBuffer, compressedBufferSize, CNBuffer, MIN(CNBuffSize, 100));
|
|
if (ZSTD_isError(ret)) goto _output_error;
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : Testing non-attached CDict with ZSTD_dct_rawContent : ", testNb++);
|
|
{ size_t const srcSize = MIN(CNBuffSize, 100);
|
|
ZSTD_CCtx_reset(cctx, ZSTD_reset_session_and_parameters);
|
|
/* Force the dictionary to be reloaded in raw content mode */
|
|
CHECK_Z(ZSTD_CCtx_setParameter(cctx, ZSTD_c_forceAttachDict, ZSTD_dictForceLoad));
|
|
CHECK_Z(ZSTD_CCtx_loadDictionary_advanced(cctx, rawDictBuffer, dictSize, ZSTD_dlm_byRef, ZSTD_dct_rawContent));
|
|
cSize = ZSTD_compress2(cctx, compressedBuffer, compressedBufferSize, CNBuffer, srcSize);
|
|
CHECK_Z(cSize);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
free(rawDictBuffer);
|
|
}
|
|
|
|
DISPLAYLEVEL(3, "test%3i : ZSTD_CCtx_refCDict() then set parameters : ", testNb++);
|
|
{ ZSTD_CDict* const cdict = ZSTD_createCDict(CNBuffer, dictSize, 1);
|
|
ZSTD_CCtx_reset(cctx, ZSTD_reset_session_and_parameters);
|
|
CHECK_Z( ZSTD_CCtx_setParameter(cctx, ZSTD_c_compressionLevel, 1) );
|
|
CHECK_Z( ZSTD_CCtx_setParameter(cctx, ZSTD_c_hashLog, 12 ));
|
|
CHECK_Z( ZSTD_CCtx_refCDict(cctx, cdict) );
|
|
CHECK_Z( ZSTD_CCtx_setParameter(cctx, ZSTD_c_compressionLevel, 1) );
|
|
CHECK_Z( ZSTD_CCtx_setParameter(cctx, ZSTD_c_hashLog, 12 ));
|
|
ZSTD_freeCDict(cdict);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : Loading dictionary before setting parameters is the same as loading after : ", testNb++);
|
|
{
|
|
size_t size1, size2;
|
|
ZSTD_CCtx_reset(cctx, ZSTD_reset_session_and_parameters);
|
|
CHECK_Z( ZSTD_CCtx_setParameter(cctx, ZSTD_c_compressionLevel, 7) );
|
|
CHECK_Z( ZSTD_CCtx_loadDictionary(cctx, CNBuffer, MIN(CNBuffSize, 10 KB)) );
|
|
size1 = ZSTD_compress2(cctx, compressedBuffer, compressedBufferSize, CNBuffer, MIN(CNBuffSize, 100 KB));
|
|
if (ZSTD_isError(size1)) goto _output_error;
|
|
|
|
ZSTD_CCtx_reset(cctx, ZSTD_reset_session_and_parameters);
|
|
CHECK_Z( ZSTD_CCtx_loadDictionary(cctx, CNBuffer, MIN(CNBuffSize, 10 KB)) );
|
|
CHECK_Z( ZSTD_CCtx_setParameter(cctx, ZSTD_c_compressionLevel, 7) );
|
|
size2 = ZSTD_compress2(cctx, compressedBuffer, compressedBufferSize, CNBuffer, MIN(CNBuffSize, 100 KB));
|
|
if (ZSTD_isError(size2)) goto _output_error;
|
|
|
|
if (size1 != size2) goto _output_error;
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : Loading a dictionary clears the prefix : ", testNb++);
|
|
{
|
|
CHECK_Z( ZSTD_CCtx_refPrefix(cctx, (const char*)dictBuffer, dictSize) );
|
|
CHECK_Z( ZSTD_CCtx_loadDictionary(cctx, (const char*)dictBuffer, dictSize) );
|
|
CHECK_Z( ZSTD_compress2(cctx, compressedBuffer, compressedBufferSize, CNBuffer, MIN(CNBuffSize, 100)) );
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : Loading a dictionary clears the cdict : ", testNb++);
|
|
{
|
|
ZSTD_CDict* const cdict = ZSTD_createCDict(dictBuffer, dictSize, 1);
|
|
CHECK_Z( ZSTD_CCtx_refCDict(cctx, cdict) );
|
|
CHECK_Z( ZSTD_CCtx_loadDictionary(cctx, (const char*)dictBuffer, dictSize) );
|
|
CHECK_Z( ZSTD_compress2(cctx, compressedBuffer, compressedBufferSize, CNBuffer, MIN(CNBuffSize, 100)) );
|
|
ZSTD_freeCDict(cdict);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : Loading a cdict clears the prefix : ", testNb++);
|
|
{
|
|
ZSTD_CDict* const cdict = ZSTD_createCDict(dictBuffer, dictSize, 1);
|
|
CHECK_Z( ZSTD_CCtx_refPrefix(cctx, (const char*)dictBuffer, dictSize) );
|
|
CHECK_Z( ZSTD_CCtx_refCDict(cctx, cdict) );
|
|
CHECK_Z( ZSTD_compress2(cctx, compressedBuffer, compressedBufferSize, CNBuffer, MIN(CNBuffSize, 100)) );
|
|
ZSTD_freeCDict(cdict);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : Loading a cdict clears the dictionary : ", testNb++);
|
|
{
|
|
ZSTD_CDict* const cdict = ZSTD_createCDict(dictBuffer, dictSize, 1);
|
|
CHECK_Z( ZSTD_CCtx_loadDictionary(cctx, (const char*)dictBuffer, dictSize) );
|
|
CHECK_Z( ZSTD_CCtx_refCDict(cctx, cdict) );
|
|
CHECK_Z( ZSTD_compress2(cctx, compressedBuffer, compressedBufferSize, CNBuffer, MIN(CNBuffSize, 100)) );
|
|
ZSTD_freeCDict(cdict);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : Loading a prefix clears the dictionary : ", testNb++);
|
|
{
|
|
CHECK_Z( ZSTD_CCtx_loadDictionary(cctx, (const char*)dictBuffer, dictSize) );
|
|
CHECK_Z( ZSTD_CCtx_refPrefix(cctx, (const char*)dictBuffer, dictSize) );
|
|
CHECK_Z( ZSTD_compress2(cctx, compressedBuffer, compressedBufferSize, CNBuffer, MIN(CNBuffSize, 100)) );
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : Loading a prefix clears the cdict : ", testNb++);
|
|
{
|
|
ZSTD_CDict* const cdict = ZSTD_createCDict(dictBuffer, dictSize, 1);
|
|
CHECK_Z( ZSTD_CCtx_refCDict(cctx, cdict) );
|
|
CHECK_Z( ZSTD_CCtx_refPrefix(cctx, (const char*)dictBuffer, dictSize) );
|
|
CHECK_Z( ZSTD_compress2(cctx, compressedBuffer, compressedBufferSize, CNBuffer, MIN(CNBuffSize, 100)) );
|
|
ZSTD_freeCDict(cdict);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : Loaded dictionary persists across reset session : ", testNb++);
|
|
{
|
|
size_t size1, size2;
|
|
ZSTD_CCtx_reset(cctx, ZSTD_reset_session_and_parameters);
|
|
CHECK_Z( ZSTD_CCtx_loadDictionary(cctx, CNBuffer, MIN(CNBuffSize, 10 KB)) );
|
|
size1 = ZSTD_compress2(cctx, compressedBuffer, compressedBufferSize, CNBuffer, MIN(CNBuffSize, 100 KB));
|
|
if (ZSTD_isError(size1)) goto _output_error;
|
|
|
|
ZSTD_CCtx_reset(cctx, ZSTD_reset_session_only);
|
|
size2 = ZSTD_compress2(cctx, compressedBuffer, compressedBufferSize, CNBuffer, MIN(CNBuffSize, 100 KB));
|
|
if (ZSTD_isError(size2)) goto _output_error;
|
|
|
|
if (size1 != size2) goto _output_error;
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : Loaded dictionary is cleared after resetting parameters : ", testNb++);
|
|
{
|
|
size_t size1, size2;
|
|
ZSTD_CCtx_reset(cctx, ZSTD_reset_session_and_parameters);
|
|
CHECK_Z( ZSTD_CCtx_loadDictionary(cctx, CNBuffer, MIN(CNBuffSize, 10 KB)) );
|
|
size1 = ZSTD_compress2(cctx, compressedBuffer, compressedBufferSize, CNBuffer, MIN(CNBuffSize, 100 KB));
|
|
if (ZSTD_isError(size1)) goto _output_error;
|
|
|
|
ZSTD_CCtx_reset(cctx, ZSTD_reset_session_and_parameters);
|
|
size2 = ZSTD_compress2(cctx, compressedBuffer, compressedBufferSize, CNBuffer, MIN(CNBuffSize, 100 KB));
|
|
if (ZSTD_isError(size2)) goto _output_error;
|
|
|
|
if (size1 == size2) goto _output_error;
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
ZSTD_CCtx_reset(cctx, ZSTD_reset_session_and_parameters);
|
|
CHECK_Z( ZSTD_CCtx_loadDictionary(cctx, dictBuffer, dictSize) );
|
|
cSize = ZSTD_compress2(cctx, compressedBuffer, compressedBufferSize, CNBuffer, MIN(CNBuffSize, 100 KB));
|
|
CHECK_Z(cSize);
|
|
DISPLAYLEVEL(3, "test%3i : ZSTD_decompressDCtx() with dictionary : ", testNb++);
|
|
{
|
|
ZSTD_DCtx* dctx = ZSTD_createDCtx();
|
|
size_t ret;
|
|
/* We should fail to decompress without a dictionary. */
|
|
ZSTD_DCtx_reset(dctx, ZSTD_reset_session_and_parameters);
|
|
ret = ZSTD_decompressDCtx(dctx, decodedBuffer, CNBuffSize, compressedBuffer, cSize);
|
|
if (!ZSTD_isError(ret)) goto _output_error;
|
|
/* We should succeed to decompress with the dictionary. */
|
|
ZSTD_DCtx_reset(dctx, ZSTD_reset_session_and_parameters);
|
|
CHECK_Z( ZSTD_DCtx_loadDictionary(dctx, dictBuffer, dictSize) );
|
|
CHECK_Z( ZSTD_decompressDCtx(dctx, decodedBuffer, CNBuffSize, compressedBuffer, cSize) );
|
|
/* The dictionary should persist across calls. */
|
|
CHECK_Z( ZSTD_decompressDCtx(dctx, decodedBuffer, CNBuffSize, compressedBuffer, cSize) );
|
|
/* When we reset the context the dictionary is cleared. */
|
|
ZSTD_DCtx_reset(dctx, ZSTD_reset_session_and_parameters);
|
|
ret = ZSTD_decompressDCtx(dctx, decodedBuffer, CNBuffSize, compressedBuffer, cSize);
|
|
if (!ZSTD_isError(ret)) goto _output_error;
|
|
ZSTD_freeDCtx(dctx);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : ZSTD_decompressDCtx() with ddict : ", testNb++);
|
|
{
|
|
ZSTD_DCtx* dctx = ZSTD_createDCtx();
|
|
ZSTD_DDict* ddict = ZSTD_createDDict(dictBuffer, dictSize);
|
|
size_t ret;
|
|
/* We should succeed to decompress with the ddict. */
|
|
ZSTD_DCtx_reset(dctx, ZSTD_reset_session_and_parameters);
|
|
CHECK_Z( ZSTD_DCtx_refDDict(dctx, ddict) );
|
|
CHECK_Z( ZSTD_decompressDCtx(dctx, decodedBuffer, CNBuffSize, compressedBuffer, cSize) );
|
|
/* The ddict should persist across calls. */
|
|
CHECK_Z( ZSTD_decompressDCtx(dctx, decodedBuffer, CNBuffSize, compressedBuffer, cSize) );
|
|
/* When we reset the context the ddict is cleared. */
|
|
ZSTD_DCtx_reset(dctx, ZSTD_reset_session_and_parameters);
|
|
ret = ZSTD_decompressDCtx(dctx, decodedBuffer, CNBuffSize, compressedBuffer, cSize);
|
|
if (!ZSTD_isError(ret)) goto _output_error;
|
|
ZSTD_freeDCtx(dctx);
|
|
ZSTD_freeDDict(ddict);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : ZSTD_decompressDCtx() with prefix : ", testNb++);
|
|
{
|
|
ZSTD_DCtx* dctx = ZSTD_createDCtx();
|
|
size_t ret;
|
|
/* We should succeed to decompress with the prefix. */
|
|
ZSTD_DCtx_reset(dctx, ZSTD_reset_session_and_parameters);
|
|
CHECK_Z( ZSTD_DCtx_refPrefix_advanced(dctx, dictBuffer, dictSize, ZSTD_dct_auto) );
|
|
CHECK_Z( ZSTD_decompressDCtx(dctx, decodedBuffer, CNBuffSize, compressedBuffer, cSize) );
|
|
/* The prefix should be cleared after the first compression. */
|
|
ret = ZSTD_decompressDCtx(dctx, decodedBuffer, CNBuffSize, compressedBuffer, cSize);
|
|
if (!ZSTD_isError(ret)) goto _output_error;
|
|
ZSTD_freeDCtx(dctx);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : ZSTD_fast attach dictionary with hashLog = 25 and chainLog = 25 : ", testNb++);
|
|
{
|
|
ZSTD_CCtx_params* cctxParams = ZSTD_createCCtxParams();
|
|
ZSTD_customMem customMem = {NULL, NULL, NULL};
|
|
ZSTD_DCtx* dctx = ZSTD_createDCtx();
|
|
ZSTD_CDict* cdict;
|
|
CHECK_Z(ZSTD_CCtxParams_setParameter(cctxParams, ZSTD_c_strategy, ZSTD_fast));
|
|
/* Set windowLog to 25 so hash/chain logs don't get sized down */
|
|
CHECK_Z(ZSTD_CCtxParams_setParameter(cctxParams, ZSTD_c_windowLog, 25));
|
|
CHECK_Z(ZSTD_CCtxParams_setParameter(cctxParams, ZSTD_c_hashLog, 25));
|
|
CHECK_Z(ZSTD_CCtxParams_setParameter(cctxParams, ZSTD_c_chainLog, 25));
|
|
/* Set srcSizeHint to 2^25 so hash/chain logs don't get sized down */
|
|
CHECK_Z(ZSTD_CCtxParams_setParameter(cctxParams, ZSTD_c_srcSizeHint, 1u << 25));
|
|
cdict = ZSTD_createCDict_advanced2(dictBuffer, dictSize, ZSTD_dlm_byRef, ZSTD_dct_auto, cctxParams, customMem);
|
|
CHECK_Z(ZSTD_CCtx_reset(cctx, ZSTD_reset_session_and_parameters));
|
|
CHECK_Z(ZSTD_CCtx_setParameter(cctx, ZSTD_c_forceAttachDict, ZSTD_dictForceAttach));
|
|
CHECK_Z(ZSTD_CCtx_setParameter(cctx, ZSTD_c_checksumFlag, 1));
|
|
CHECK_Z(ZSTD_CCtx_refCDict(cctx, cdict));
|
|
cSize = ZSTD_compress2(cctx, compressedBuffer, compressedBufferSize, CNBuffer, CNBuffSize);
|
|
CHECK_Z(cSize);
|
|
CHECK_Z(ZSTD_decompress_usingDict(dctx, decodedBuffer, CNBuffSize, compressedBuffer, cSize, dictBuffer, dictSize));
|
|
ZSTD_freeCDict(cdict);
|
|
ZSTD_freeDCtx(dctx);
|
|
ZSTD_freeCCtxParams(cctxParams);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : ZSTD_dfast attach dictionary with hashLog = 25 and chainLog = 25 : ", testNb++);
|
|
{
|
|
ZSTD_CCtx_params* cctxParams = ZSTD_createCCtxParams();
|
|
ZSTD_customMem customMem = {NULL, NULL, NULL};
|
|
ZSTD_DCtx* dctx = ZSTD_createDCtx();
|
|
ZSTD_CDict* cdict;
|
|
CHECK_Z(ZSTD_CCtxParams_setParameter(cctxParams, ZSTD_c_strategy, ZSTD_dfast));
|
|
/* Set windowLog to 25 so hash/chain logs don't get sized down */
|
|
CHECK_Z(ZSTD_CCtxParams_setParameter(cctxParams, ZSTD_c_windowLog, 25));
|
|
CHECK_Z(ZSTD_CCtxParams_setParameter(cctxParams, ZSTD_c_hashLog, 25));
|
|
CHECK_Z(ZSTD_CCtxParams_setParameter(cctxParams, ZSTD_c_chainLog, 25));
|
|
/* Set srcSizeHint to 2^25 so hash/chain logs don't get sized down */
|
|
CHECK_Z(ZSTD_CCtxParams_setParameter(cctxParams, ZSTD_c_srcSizeHint, 1u << 25));
|
|
cdict = ZSTD_createCDict_advanced2(dictBuffer, dictSize, ZSTD_dlm_byRef, ZSTD_dct_auto, cctxParams, customMem);
|
|
CHECK_Z(ZSTD_CCtx_reset(cctx, ZSTD_reset_session_and_parameters));
|
|
CHECK_Z(ZSTD_CCtx_setParameter(cctx, ZSTD_c_forceAttachDict, ZSTD_dictForceAttach));
|
|
CHECK_Z(ZSTD_CCtx_setParameter(cctx, ZSTD_c_checksumFlag, 1));
|
|
CHECK_Z(ZSTD_CCtx_refCDict(cctx, cdict));
|
|
cSize = ZSTD_compress2(cctx, compressedBuffer, compressedBufferSize, CNBuffer, CNBuffSize);
|
|
CHECK_Z(cSize);
|
|
CHECK_Z(ZSTD_decompress_usingDict(dctx, decodedBuffer, CNBuffSize, compressedBuffer, cSize, dictBuffer, dictSize));
|
|
ZSTD_freeCDict(cdict);
|
|
ZSTD_freeDCtx(dctx);
|
|
ZSTD_freeCCtxParams(cctxParams);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : ZSTD_lazy attach dictionary with hashLog = 29 and searchLog = 4 : ", testNb++);
|
|
if (MEM_64bits()) {
|
|
ZSTD_CCtx_params* cctxParams = ZSTD_createCCtxParams();
|
|
ZSTD_customMem customMem = {NULL, NULL, NULL};
|
|
ZSTD_DCtx* dctx = ZSTD_createDCtx();
|
|
ZSTD_CDict* cdict;
|
|
CHECK_Z(ZSTD_CCtxParams_setParameter(cctxParams, ZSTD_c_strategy, ZSTD_lazy));
|
|
/* Force enable row based match finder, and disable dedicated dict search. */
|
|
CHECK_Z(ZSTD_CCtxParams_setParameter(cctxParams, ZSTD_c_useRowMatchFinder, ZSTD_ps_enable));
|
|
CHECK_Z(ZSTD_CCtxParams_setParameter(cctxParams, ZSTD_c_enableDedicatedDictSearch, 0));
|
|
CHECK_Z(ZSTD_CCtxParams_setParameter(cctxParams, ZSTD_c_searchLog, 4));
|
|
/* Set windowLog to 29 so hash/chain logs don't get sized down */
|
|
CHECK_Z(ZSTD_CCtxParams_setParameter(cctxParams, ZSTD_c_windowLog, 29));
|
|
CHECK_Z(ZSTD_CCtxParams_setParameter(cctxParams, ZSTD_c_hashLog, 29));
|
|
/* Set srcSizeHint to 2^29 so hash/chain logs don't get sized down */
|
|
CHECK_Z(ZSTD_CCtxParams_setParameter(cctxParams, ZSTD_c_srcSizeHint, 1u << 29));
|
|
cdict = ZSTD_createCDict_advanced2(dictBuffer, dictSize, ZSTD_dlm_byRef, ZSTD_dct_auto, cctxParams, customMem);
|
|
CHECK_Z(ZSTD_CCtx_reset(cctx, ZSTD_reset_session_and_parameters));
|
|
CHECK_Z(ZSTD_CCtx_setParameter(cctx, ZSTD_c_forceAttachDict, ZSTD_dictForceAttach));
|
|
CHECK_Z(ZSTD_CCtx_setParameter(cctx, ZSTD_c_checksumFlag, 1));
|
|
CHECK_Z(ZSTD_CCtx_refCDict(cctx, cdict));
|
|
cSize = ZSTD_compress2(cctx, compressedBuffer, compressedBufferSize, CNBuffer, CNBuffSize);
|
|
CHECK_Z(cSize);
|
|
CHECK_Z(ZSTD_decompress_usingDict(dctx, decodedBuffer, CNBuffSize, compressedBuffer, cSize, dictBuffer, dictSize));
|
|
ZSTD_freeCDict(cdict);
|
|
ZSTD_freeDCtx(dctx);
|
|
ZSTD_freeCCtxParams(cctxParams);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : Dictionary with non-default repcodes : ", testNb++);
|
|
{ U32 u; for (u=0; u<nbSamples; u++) samplesSizes[u] = sampleUnitSize; }
|
|
dictSize = ZDICT_trainFromBuffer(dictBuffer, dictSize,
|
|
CNBuffer, samplesSizes, nbSamples);
|
|
if (ZDICT_isError(dictSize)) goto _output_error;
|
|
/* Set all the repcodes to non-default */
|
|
{
|
|
BYTE* dictPtr = (BYTE*)dictBuffer;
|
|
BYTE* dictLimit = dictPtr + dictSize - 12;
|
|
/* Find the repcodes */
|
|
while (dictPtr < dictLimit &&
|
|
(MEM_readLE32(dictPtr) != 1 || MEM_readLE32(dictPtr + 4) != 4 ||
|
|
MEM_readLE32(dictPtr + 8) != 8)) {
|
|
++dictPtr;
|
|
}
|
|
if (dictPtr >= dictLimit) goto _output_error;
|
|
MEM_writeLE32(dictPtr + 0, 10);
|
|
MEM_writeLE32(dictPtr + 4, 10);
|
|
MEM_writeLE32(dictPtr + 8, 10);
|
|
/* Set the last 8 bytes to 'x' */
|
|
memset((BYTE*)dictBuffer + dictSize - 8, 'x', 8);
|
|
}
|
|
/* The optimal parser checks all the repcodes.
|
|
* Make sure at least one is a match >= targetLength so that it is
|
|
* immediately chosen. This will make sure that the compressor and
|
|
* decompressor agree on at least one of the repcodes.
|
|
*/
|
|
{ size_t dSize;
|
|
BYTE data[1024];
|
|
ZSTD_DCtx* const dctx = ZSTD_createDCtx();
|
|
ZSTD_compressionParameters const cParams = ZSTD_getCParams(19, CNBuffSize, dictSize);
|
|
ZSTD_CDict* const cdict = ZSTD_createCDict_advanced(dictBuffer, dictSize,
|
|
ZSTD_dlm_byRef, ZSTD_dct_auto,
|
|
cParams, ZSTD_defaultCMem);
|
|
assert(dctx != NULL); assert(cdict != NULL);
|
|
memset(data, 'x', sizeof(data));
|
|
cSize = ZSTD_compress_usingCDict(cctx, compressedBuffer, compressedBufferSize,
|
|
data, sizeof(data), cdict);
|
|
ZSTD_freeCDict(cdict);
|
|
if (ZSTD_isError(cSize)) { DISPLAYLEVEL(5, "Compression error %s : ", ZSTD_getErrorName(cSize)); goto _output_error; }
|
|
dSize = ZSTD_decompress_usingDict(dctx, decodedBuffer, sizeof(data), compressedBuffer, cSize, dictBuffer, dictSize);
|
|
if (ZSTD_isError(dSize)) { DISPLAYLEVEL(5, "Decompression error %s : ", ZSTD_getErrorName(dSize)); goto _output_error; }
|
|
if (memcmp(data, decodedBuffer, sizeof(data))) { DISPLAYLEVEL(5, "Data corruption : "); goto _output_error; }
|
|
ZSTD_freeDCtx(dctx);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : ZSTD_decompressDCtx() with multiple ddicts : ", testNb++);
|
|
{
|
|
const size_t numDicts = 128;
|
|
const size_t numFrames = 4;
|
|
size_t i;
|
|
ZSTD_DCtx* dctx = ZSTD_createDCtx();
|
|
ZSTD_DDict** ddictTable = (ZSTD_DDict**)malloc(sizeof(ZSTD_DDict*)*numDicts);
|
|
ZSTD_CDict** cdictTable = (ZSTD_CDict**)malloc(sizeof(ZSTD_CDict*)*numDicts);
|
|
U32 dictIDSeed = seed;
|
|
/* Create new compressed buffer that will hold frames with differing dictIDs */
|
|
char* dictBufferMulti = (char*)malloc(sizeof(char) * dictBufferFixedSize); /* Modifiable copy of fixed full dict buffer */
|
|
|
|
ZSTD_memcpy(dictBufferMulti, dictBufferFixed, dictBufferFixedSize);
|
|
/* Create a bunch of DDicts with random dict IDs */
|
|
for (i = 0; i < numDicts; ++i) {
|
|
U32 currDictID = FUZ_rand(&dictIDSeed);
|
|
MEM_writeLE32(dictBufferMulti+ZSTD_FRAMEIDSIZE, currDictID);
|
|
ddictTable[i] = ZSTD_createDDict(dictBufferMulti, dictBufferFixedSize);
|
|
cdictTable[i] = ZSTD_createCDict(dictBufferMulti, dictBufferFixedSize, 3);
|
|
if (!ddictTable[i] || !cdictTable[i] || ZSTD_getDictID_fromCDict(cdictTable[i]) != ZSTD_getDictID_fromDDict(ddictTable[i])) {
|
|
goto _output_error;
|
|
}
|
|
}
|
|
/* Compress a few frames using random CDicts */
|
|
{
|
|
size_t off = 0;
|
|
/* only use the first half so we don't push against size limit of compressedBuffer */
|
|
size_t const segSize = (CNBuffSize / 2) / numFrames;
|
|
for (i = 0; i < numFrames; i++) {
|
|
size_t dictIdx = FUZ_rand(&dictIDSeed) % numDicts;
|
|
ZSTD_CCtx_reset(cctx, ZSTD_reset_session_and_parameters);
|
|
{ CHECK_NEWV(r, ZSTD_compress_usingCDict(cctx,
|
|
(BYTE*)compressedBuffer + off, CNBuffSize - off,
|
|
(BYTE*)CNBuffer + segSize * (size_t)i, segSize,
|
|
cdictTable[dictIdx]));
|
|
off += r;
|
|
}
|
|
}
|
|
cSize = off;
|
|
}
|
|
|
|
/* We should succeed to decompression even though different dicts were used on different frames */
|
|
ZSTD_DCtx_reset(dctx, ZSTD_reset_session_and_parameters);
|
|
ZSTD_DCtx_setParameter(dctx, ZSTD_d_refMultipleDDicts, ZSTD_rmd_refMultipleDDicts);
|
|
/* Reference every single ddict we made */
|
|
for (i = 0; i < numDicts; ++i) {
|
|
CHECK_Z( ZSTD_DCtx_refDDict(dctx, ddictTable[i]));
|
|
}
|
|
CHECK_Z( ZSTD_decompressDCtx(dctx, decodedBuffer, CNBuffSize, compressedBuffer, cSize) );
|
|
/* Streaming decompression should also work */
|
|
{
|
|
ZSTD_inBuffer in = {compressedBuffer, cSize, 0};
|
|
ZSTD_outBuffer out = {decodedBuffer, CNBuffSize, 0};
|
|
while (in.pos < in.size) {
|
|
CHECK_Z(ZSTD_decompressStream(dctx, &out, &in));
|
|
}
|
|
}
|
|
ZSTD_freeDCtx(dctx);
|
|
for (i = 0; i < numDicts; ++i) {
|
|
ZSTD_freeCDict(cdictTable[i]);
|
|
ZSTD_freeDDict(ddictTable[i]);
|
|
}
|
|
free(dictBufferMulti);
|
|
free(ddictTable);
|
|
free(cdictTable);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
ZSTD_freeCCtx(cctx);
|
|
free(dictBuffer);
|
|
free(samplesSizes);
|
|
}
|
|
|
|
/* COVER dictionary builder tests */
|
|
{ ZSTD_CCtx* const cctx = ZSTD_createCCtx();
|
|
size_t dictSize = 16 KB;
|
|
size_t optDictSize = dictSize;
|
|
void* dictBuffer = malloc(dictSize);
|
|
size_t const totalSampleSize = 1 MB;
|
|
size_t const sampleUnitSize = 8 KB;
|
|
U32 const nbSamples = (U32)(totalSampleSize / sampleUnitSize);
|
|
size_t* const samplesSizes = (size_t*) malloc(nbSamples * sizeof(size_t));
|
|
U32 seed32 = seed;
|
|
ZDICT_cover_params_t params;
|
|
U32 dictID;
|
|
|
|
if (dictBuffer==NULL || samplesSizes==NULL) {
|
|
free(dictBuffer);
|
|
free(samplesSizes);
|
|
goto _output_error;
|
|
}
|
|
|
|
DISPLAYLEVEL(3, "test%3i : ZDICT_trainFromBuffer_cover : ", testNb++);
|
|
{ U32 u; for (u=0; u<nbSamples; u++) samplesSizes[u] = sampleUnitSize; }
|
|
memset(¶ms, 0, sizeof(params));
|
|
params.d = 1 + (FUZ_rand(&seed32) % 16);
|
|
params.k = params.d + (FUZ_rand(&seed32) % 256);
|
|
dictSize = ZDICT_trainFromBuffer_cover(dictBuffer, dictSize,
|
|
CNBuffer, samplesSizes, nbSamples,
|
|
params);
|
|
if (ZDICT_isError(dictSize)) goto _output_error;
|
|
DISPLAYLEVEL(3, "OK, created dictionary of size %u \n", (unsigned)dictSize);
|
|
|
|
DISPLAYLEVEL(3, "test%3i : check dictID : ", testNb++);
|
|
dictID = ZDICT_getDictID(dictBuffer, dictSize);
|
|
if (dictID==0) goto _output_error;
|
|
DISPLAYLEVEL(3, "OK : %u \n", (unsigned)dictID);
|
|
|
|
DISPLAYLEVEL(3, "test%3i : ZDICT_optimizeTrainFromBuffer_cover : ", testNb++);
|
|
memset(¶ms, 0, sizeof(params));
|
|
params.steps = 4;
|
|
optDictSize = ZDICT_optimizeTrainFromBuffer_cover(dictBuffer, optDictSize,
|
|
CNBuffer, samplesSizes,
|
|
nbSamples / 4, ¶ms);
|
|
if (ZDICT_isError(optDictSize)) goto _output_error;
|
|
DISPLAYLEVEL(3, "OK, created dictionary of size %u \n", (unsigned)optDictSize);
|
|
|
|
DISPLAYLEVEL(3, "test%3i : check dictID : ", testNb++);
|
|
dictID = ZDICT_getDictID(dictBuffer, optDictSize);
|
|
if (dictID==0) goto _output_error;
|
|
DISPLAYLEVEL(3, "OK : %u \n", (unsigned)dictID);
|
|
|
|
ZSTD_freeCCtx(cctx);
|
|
free(dictBuffer);
|
|
free(samplesSizes);
|
|
}
|
|
|
|
/* Decompression defense tests */
|
|
DISPLAYLEVEL(3, "test%3i : Check input length for magic number : ", testNb++);
|
|
{ size_t const r = ZSTD_decompress(decodedBuffer, CNBuffSize, CNBuffer, 3); /* too small input */
|
|
if (!ZSTD_isError(r)) goto _output_error;
|
|
if (ZSTD_getErrorCode(r) != ZSTD_error_srcSize_wrong) goto _output_error; }
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : Check magic Number : ", testNb++);
|
|
((char*)(CNBuffer))[0] = 1;
|
|
{ size_t const r = ZSTD_decompress(decodedBuffer, CNBuffSize, CNBuffer, 4);
|
|
if (!ZSTD_isError(r)) goto _output_error; }
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
/* content size verification test */
|
|
DISPLAYLEVEL(3, "test%3i : Content size verification : ", testNb++);
|
|
{ ZSTD_CCtx* const cctx = ZSTD_createCCtx();
|
|
size_t const srcSize = 5000;
|
|
size_t const wrongSrcSize = (srcSize + 1000);
|
|
ZSTD_parameters params = ZSTD_getParams(1, wrongSrcSize, 0);
|
|
params.fParams.contentSizeFlag = 1;
|
|
CHECK_Z( ZSTD_compressBegin_advanced(cctx, NULL, 0, params, wrongSrcSize) );
|
|
{ size_t const result = ZSTD_compressEnd(cctx, decodedBuffer, CNBuffSize, CNBuffer, srcSize);
|
|
if (!ZSTD_isError(result)) goto _output_error;
|
|
if (ZSTD_getErrorCode(result) != ZSTD_error_srcSize_wrong) goto _output_error;
|
|
DISPLAYLEVEL(3, "OK : %s \n", ZSTD_getErrorName(result));
|
|
}
|
|
ZSTD_freeCCtx(cctx);
|
|
}
|
|
|
|
/* negative compression level test : ensure simple API and advanced API produce same result */
|
|
DISPLAYLEVEL(3, "test%3i : negative compression level : ", testNb++);
|
|
{ ZSTD_CCtx* const cctx = ZSTD_createCCtx();
|
|
size_t const srcSize = CNBuffSize / 5;
|
|
int const compressionLevel = -1;
|
|
|
|
assert(cctx != NULL);
|
|
{ size_t const cSize_1pass = ZSTD_compress(compressedBuffer, compressedBufferSize,
|
|
CNBuffer, srcSize, compressionLevel);
|
|
if (ZSTD_isError(cSize_1pass)) goto _output_error;
|
|
|
|
CHECK_Z( ZSTD_CCtx_setParameter(cctx, ZSTD_c_compressionLevel, compressionLevel) );
|
|
{ size_t const compressionResult = ZSTD_compress2(cctx,
|
|
compressedBuffer, compressedBufferSize,
|
|
CNBuffer, srcSize);
|
|
DISPLAYLEVEL(5, "simple=%zu vs %zu=advanced : ", cSize_1pass, compressionResult);
|
|
if (ZSTD_isError(compressionResult)) goto _output_error;
|
|
if (compressionResult != cSize_1pass) goto _output_error;
|
|
} }
|
|
ZSTD_freeCCtx(cctx);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
/* parameters order test */
|
|
{ size_t const inputSize = CNBuffSize / 2;
|
|
U64 xxh64;
|
|
|
|
{ ZSTD_CCtx* const cctx = ZSTD_createCCtx();
|
|
DISPLAYLEVEL(3, "test%3i : parameters in order : ", testNb++);
|
|
assert(cctx != NULL);
|
|
CHECK_Z( ZSTD_CCtx_setParameter(cctx, ZSTD_c_compressionLevel, 2) );
|
|
CHECK_Z( ZSTD_CCtx_setParameter(cctx, ZSTD_c_enableLongDistanceMatching, ZSTD_ps_enable) );
|
|
CHECK_Z( ZSTD_CCtx_setParameter(cctx, ZSTD_c_windowLog, 18) );
|
|
{ size_t const compressedSize = ZSTD_compress2(cctx,
|
|
compressedBuffer, ZSTD_compressBound(inputSize),
|
|
CNBuffer, inputSize);
|
|
CHECK_Z(compressedSize);
|
|
cSize = compressedSize;
|
|
xxh64 = XXH64(compressedBuffer, compressedSize, 0);
|
|
}
|
|
DISPLAYLEVEL(3, "OK (compress : %u -> %u bytes)\n", (unsigned)inputSize, (unsigned)cSize);
|
|
ZSTD_freeCCtx(cctx);
|
|
}
|
|
|
|
{ ZSTD_CCtx* cctx = ZSTD_createCCtx();
|
|
DISPLAYLEVEL(3, "test%3i : parameters disordered : ", testNb++);
|
|
CHECK_Z( ZSTD_CCtx_setParameter(cctx, ZSTD_c_windowLog, 18) );
|
|
CHECK_Z( ZSTD_CCtx_setParameter(cctx, ZSTD_c_enableLongDistanceMatching, ZSTD_ps_enable) );
|
|
CHECK_Z( ZSTD_CCtx_setParameter(cctx, ZSTD_c_compressionLevel, 2) );
|
|
{ size_t const result = ZSTD_compress2(cctx,
|
|
compressedBuffer, ZSTD_compressBound(inputSize),
|
|
CNBuffer, inputSize);
|
|
CHECK_Z(result);
|
|
if (result != cSize) goto _output_error; /* must result in same compressed result, hence same size */
|
|
if (XXH64(compressedBuffer, result, 0) != xxh64) goto _output_error; /* must result in exactly same content, hence same hash */
|
|
DISPLAYLEVEL(3, "OK (compress : %u -> %u bytes)\n", (unsigned)inputSize, (unsigned)result);
|
|
}
|
|
ZSTD_freeCCtx(cctx);
|
|
}
|
|
}
|
|
|
|
/* advanced parameters for decompression */
|
|
{ ZSTD_DCtx* const dctx = ZSTD_createDCtx();
|
|
assert(dctx != NULL);
|
|
|
|
DISPLAYLEVEL(3, "test%3i : get dParameter bounds ", testNb++);
|
|
{ ZSTD_bounds const bounds = ZSTD_dParam_getBounds(ZSTD_d_windowLogMax);
|
|
CHECK_Z(bounds.error);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : wrong dParameter : ", testNb++);
|
|
{ size_t const sr = ZSTD_DCtx_setParameter(dctx, (ZSTD_dParameter)999999, 0);
|
|
if (!ZSTD_isError(sr)) goto _output_error;
|
|
}
|
|
{ ZSTD_bounds const bounds = ZSTD_dParam_getBounds((ZSTD_dParameter)999998);
|
|
if (!ZSTD_isError(bounds.error)) goto _output_error;
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : out of bound dParameter : ", testNb++);
|
|
{ size_t const sr = ZSTD_DCtx_setParameter(dctx, ZSTD_d_windowLogMax, 9999);
|
|
if (!ZSTD_isError(sr)) goto _output_error;
|
|
}
|
|
{ size_t const sr = ZSTD_DCtx_setParameter(dctx, ZSTD_d_format, (ZSTD_format_e)888);
|
|
if (!ZSTD_isError(sr)) goto _output_error;
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
ZSTD_freeDCtx(dctx);
|
|
}
|
|
|
|
|
|
/* custom formats tests */
|
|
{ ZSTD_CCtx* const cctx = ZSTD_createCCtx();
|
|
ZSTD_DCtx* const dctx = ZSTD_createDCtx();
|
|
size_t const inputSize = CNBuffSize / 2; /* won't cause pb with small dict size */
|
|
assert(dctx != NULL); assert(cctx != NULL);
|
|
|
|
/* basic block compression */
|
|
DISPLAYLEVEL(3, "test%3i : magic-less format test : ", testNb++);
|
|
CHECK_Z( ZSTD_CCtx_setParameter(cctx, ZSTD_c_format, ZSTD_f_zstd1_magicless) );
|
|
{ ZSTD_inBuffer in = { CNBuffer, inputSize, 0 };
|
|
ZSTD_outBuffer out = { compressedBuffer, ZSTD_compressBound(inputSize), 0 };
|
|
size_t const result = ZSTD_compressStream2(cctx, &out, &in, ZSTD_e_end);
|
|
if (result != 0) goto _output_error;
|
|
if (in.pos != in.size) goto _output_error;
|
|
cSize = out.pos;
|
|
}
|
|
DISPLAYLEVEL(3, "OK (compress : %u -> %u bytes)\n", (unsigned)inputSize, (unsigned)cSize);
|
|
|
|
DISPLAYLEVEL(3, "test%3i : decompress normally (should fail) : ", testNb++);
|
|
{ size_t const decodeResult = ZSTD_decompressDCtx(dctx, decodedBuffer, CNBuffSize, compressedBuffer, cSize);
|
|
if (ZSTD_getErrorCode(decodeResult) != ZSTD_error_prefix_unknown) goto _output_error;
|
|
DISPLAYLEVEL(3, "OK : %s \n", ZSTD_getErrorName(decodeResult));
|
|
}
|
|
|
|
DISPLAYLEVEL(3, "test%3i : decompress of magic-less frame : ", testNb++);
|
|
ZSTD_DCtx_reset(dctx, ZSTD_reset_session_and_parameters);
|
|
CHECK_Z( ZSTD_DCtx_setParameter(dctx, ZSTD_d_format, ZSTD_f_zstd1_magicless) );
|
|
{ ZSTD_frameHeader zfh;
|
|
size_t const zfhrt = ZSTD_getFrameHeader_advanced(&zfh, compressedBuffer, cSize, ZSTD_f_zstd1_magicless);
|
|
if (zfhrt != 0) goto _output_error;
|
|
}
|
|
/* one shot */
|
|
{ size_t const result = ZSTD_decompressDCtx(dctx, decodedBuffer, CNBuffSize, compressedBuffer, cSize);
|
|
if (result != inputSize) goto _output_error;
|
|
DISPLAYLEVEL(3, "one-shot OK, ");
|
|
}
|
|
/* streaming */
|
|
{ ZSTD_inBuffer in = { compressedBuffer, cSize, 0 };
|
|
ZSTD_outBuffer out = { decodedBuffer, CNBuffSize, 0 };
|
|
size_t const result = ZSTD_decompressStream(dctx, &out, &in);
|
|
if (result != 0) goto _output_error;
|
|
if (in.pos != in.size) goto _output_error;
|
|
if (out.pos != inputSize) goto _output_error;
|
|
DISPLAYLEVEL(3, "streaming OK : regenerated %u bytes \n", (unsigned)out.pos);
|
|
}
|
|
|
|
/* basic block compression */
|
|
DISPLAYLEVEL(3, "test%3i : empty magic-less format test : ", testNb++);
|
|
CHECK_Z( ZSTD_CCtx_setParameter(cctx, ZSTD_c_format, ZSTD_f_zstd1_magicless) );
|
|
{ ZSTD_inBuffer in = { CNBuffer, 0, 0 };
|
|
ZSTD_outBuffer out = { compressedBuffer, ZSTD_compressBound(0), 0 };
|
|
size_t const result = ZSTD_compressStream2(cctx, &out, &in, ZSTD_e_end);
|
|
if (result != 0) goto _output_error;
|
|
if (in.pos != in.size) goto _output_error;
|
|
cSize = out.pos;
|
|
}
|
|
DISPLAYLEVEL(3, "OK (compress : %u -> %u bytes)\n", (unsigned)0, (unsigned)cSize);
|
|
|
|
DISPLAYLEVEL(3, "test%3i : decompress of empty magic-less frame : ", testNb++);
|
|
ZSTD_DCtx_reset(dctx, ZSTD_reset_session_and_parameters);
|
|
CHECK_Z( ZSTD_DCtx_setParameter(dctx, ZSTD_d_format, ZSTD_f_zstd1_magicless) );
|
|
/* one shot */
|
|
{ size_t const result = ZSTD_decompressDCtx(dctx, decodedBuffer, CNBuffSize, compressedBuffer, cSize);
|
|
if (result != 0) goto _output_error;
|
|
DISPLAYLEVEL(3, "one-shot OK, ");
|
|
}
|
|
/* streaming */
|
|
{ ZSTD_inBuffer in = { compressedBuffer, cSize, 0 };
|
|
ZSTD_outBuffer out = { decodedBuffer, CNBuffSize, 0 };
|
|
size_t const result = ZSTD_decompressStream(dctx, &out, &in);
|
|
if (result != 0) goto _output_error;
|
|
if (in.pos != in.size) goto _output_error;
|
|
if (out.pos != 0) goto _output_error;
|
|
DISPLAYLEVEL(3, "streaming OK : regenerated %u bytes \n", (unsigned)out.pos);
|
|
}
|
|
|
|
ZSTD_freeCCtx(cctx);
|
|
ZSTD_freeDCtx(dctx);
|
|
}
|
|
|
|
DISPLAYLEVEL(3, "test%3i : Decompression parameter reset test : ", testNb++);
|
|
{
|
|
ZSTD_DCtx* const dctx = ZSTD_createDCtx();
|
|
/* Attempt to future proof this to new parameters. */
|
|
int const maxParam = 2000;
|
|
int param;
|
|
if (ZSTD_d_experimentalParam3 > maxParam) goto _output_error;
|
|
for (param = 0; param < maxParam; ++param) {
|
|
ZSTD_dParameter dParam = (ZSTD_dParameter)param;
|
|
ZSTD_bounds bounds = ZSTD_dParam_getBounds(dParam);
|
|
int value1;
|
|
int value2;
|
|
int check;
|
|
if (ZSTD_isError(bounds.error))
|
|
continue;
|
|
CHECK_Z(ZSTD_DCtx_getParameter(dctx, dParam, &value1));
|
|
value2 = (value1 != bounds.lowerBound) ? bounds.lowerBound : bounds.upperBound;
|
|
CHECK_Z(ZSTD_DCtx_setParameter(dctx, dParam, value2));
|
|
CHECK_Z(ZSTD_DCtx_getParameter(dctx, dParam, &check));
|
|
if (check != value2) goto _output_error;
|
|
CHECK_Z(ZSTD_DCtx_reset(dctx, ZSTD_reset_parameters));
|
|
CHECK_Z(ZSTD_DCtx_getParameter(dctx, dParam, &check));
|
|
if (check != value1) goto _output_error;
|
|
}
|
|
ZSTD_freeDCtx(dctx);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
/* block API tests */
|
|
{ ZSTD_CCtx* const cctx = ZSTD_createCCtx();
|
|
ZSTD_DCtx* const dctx = ZSTD_createDCtx();
|
|
static const size_t dictSize = 65 KB;
|
|
static const size_t blockSize = 100 KB; /* won't cause pb with small dict size */
|
|
size_t cSize2;
|
|
assert(cctx != NULL); assert(dctx != NULL);
|
|
|
|
/* basic block compression */
|
|
DISPLAYLEVEL(3, "test%3i : Block compression test : ", testNb++);
|
|
CHECK_Z( ZSTD_compressBegin(cctx, 5) );
|
|
CHECK_Z( ZSTD_getBlockSize(cctx) >= blockSize);
|
|
CHECK_VAR(cSize, ZSTD_compressBlock(cctx, compressedBuffer, ZSTD_compressBound(blockSize), CNBuffer, blockSize) );
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : Block decompression test : ", testNb++);
|
|
CHECK_Z( ZSTD_decompressBegin(dctx) );
|
|
{ CHECK_NEWV(r, ZSTD_decompressBlock(dctx, decodedBuffer, CNBuffSize, compressedBuffer, cSize) );
|
|
if (r != blockSize) goto _output_error; }
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
/* very long stream of block compression */
|
|
DISPLAYLEVEL(3, "test%3i : Huge block streaming compression test : ", testNb++);
|
|
CHECK_Z( ZSTD_compressBegin(cctx, -199) ); /* we just want to quickly overflow internal U32 index */
|
|
CHECK_Z( ZSTD_getBlockSize(cctx) >= blockSize);
|
|
{ U64 const toCompress = 5000000000ULL; /* > 4 GB */
|
|
U64 compressed = 0;
|
|
while (compressed < toCompress) {
|
|
size_t const blockCSize = ZSTD_compressBlock(cctx, compressedBuffer, ZSTD_compressBound(blockSize), CNBuffer, blockSize);
|
|
assert(blockCSize != 0);
|
|
if (ZSTD_isError(blockCSize)) goto _output_error;
|
|
compressed += blockCSize;
|
|
} }
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
/* dictionary block compression */
|
|
DISPLAYLEVEL(3, "test%3i : Dictionary Block compression test : ", testNb++);
|
|
CHECK_Z( ZSTD_compressBegin_usingDict(cctx, CNBuffer, dictSize, 5) );
|
|
CHECK_VAR(cSize, ZSTD_compressBlock(cctx, compressedBuffer, ZSTD_compressBound(blockSize), (char*)CNBuffer+dictSize, blockSize));
|
|
RDG_genBuffer((char*)CNBuffer+dictSize+blockSize, blockSize, 0.0, 0.0, seed); /* create a non-compressible second block */
|
|
{ CHECK_NEWV(r, ZSTD_compressBlock(cctx, (char*)compressedBuffer+cSize, ZSTD_compressBound(blockSize), (char*)CNBuffer+dictSize+blockSize, blockSize) ); /* for cctx history consistency */
|
|
assert(r == 0); /* non-compressible block */ }
|
|
memcpy((char*)compressedBuffer+cSize, (char*)CNBuffer+dictSize+blockSize, blockSize); /* send non-compressed block (without header) */
|
|
CHECK_VAR(cSize2, ZSTD_compressBlock(cctx, (char*)compressedBuffer+cSize+blockSize, ZSTD_compressBound(blockSize),
|
|
(char*)CNBuffer+dictSize+2*blockSize, blockSize));
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : Dictionary Block decompression test : ", testNb++);
|
|
CHECK_Z( ZSTD_decompressBegin_usingDict(dctx, CNBuffer, dictSize) );
|
|
{ CHECK_NEWV( r, ZSTD_decompressBlock(dctx, decodedBuffer, blockSize, compressedBuffer, cSize) );
|
|
if (r != blockSize) {
|
|
DISPLAYLEVEL(1, "ZSTD_decompressBlock() with _usingDict() fails : %u, instead of %u expected \n", (unsigned)r, (unsigned)blockSize);
|
|
goto _output_error;
|
|
} }
|
|
memcpy((char*)decodedBuffer+blockSize, (char*)compressedBuffer+cSize, blockSize);
|
|
ZSTD_insertBlock(dctx, (char*)decodedBuffer+blockSize, blockSize); /* insert non-compressed block into dctx history */
|
|
{ CHECK_NEWV( r, ZSTD_decompressBlock(dctx, (char*)decodedBuffer+2*blockSize, blockSize, (char*)compressedBuffer+cSize+blockSize, cSize2) );
|
|
if (r != blockSize) {
|
|
DISPLAYLEVEL(1, "ZSTD_decompressBlock() with _usingDict() and after insertBlock() fails : %u, instead of %u expected \n", (unsigned)r, (unsigned)blockSize);
|
|
goto _output_error;
|
|
} }
|
|
assert(memcpy((char*)CNBuffer+dictSize, decodedBuffer, blockSize*3)); /* ensure regenerated content is identical to origin */
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : Block compression with CDict : ", testNb++);
|
|
{ ZSTD_CDict* const cdict = ZSTD_createCDict(CNBuffer, dictSize, 3);
|
|
if (cdict==NULL) goto _output_error;
|
|
CHECK_Z( ZSTD_compressBegin_usingCDict(cctx, cdict) );
|
|
CHECK_Z( ZSTD_compressBlock(cctx, compressedBuffer, ZSTD_compressBound(blockSize), (char*)CNBuffer+dictSize, blockSize) );
|
|
ZSTD_freeCDict(cdict);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
ZSTD_freeCCtx(cctx);
|
|
ZSTD_freeDCtx(dctx);
|
|
}
|
|
|
|
/* long rle test */
|
|
{ size_t sampleSize = 0;
|
|
size_t expectedCompressedSize = 39; /* block 1, 2: compressed, block 3: RLE, zstd 1.4.4 */
|
|
DISPLAYLEVEL(3, "test%3i : Long RLE test : ", testNb++);
|
|
memset((char*)CNBuffer+sampleSize, 'B', 256 KB - 1);
|
|
sampleSize += 256 KB - 1;
|
|
memset((char*)CNBuffer+sampleSize, 'A', 96 KB);
|
|
sampleSize += 96 KB;
|
|
cSize = ZSTD_compress(compressedBuffer, ZSTD_compressBound(sampleSize), CNBuffer, sampleSize, 1);
|
|
if (ZSTD_isError(cSize) || cSize > expectedCompressedSize) goto _output_error;
|
|
{ CHECK_NEWV(regenSize, ZSTD_decompress(decodedBuffer, sampleSize, compressedBuffer, cSize));
|
|
if (regenSize!=sampleSize) goto _output_error; }
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
}
|
|
|
|
DISPLAYLEVEL(3, "test%3i : ZSTD_generateSequences decode from sequences test : ", testNb++);
|
|
{
|
|
size_t srcSize = 150 KB;
|
|
BYTE* src = (BYTE*)CNBuffer;
|
|
BYTE* decoded = (BYTE*)compressedBuffer;
|
|
|
|
ZSTD_CCtx* cctx = ZSTD_createCCtx();
|
|
ZSTD_Sequence* seqs = (ZSTD_Sequence*)malloc(srcSize * sizeof(ZSTD_Sequence));
|
|
size_t seqsSize;
|
|
|
|
if (seqs == NULL) goto _output_error;
|
|
assert(cctx != NULL);
|
|
ZSTD_CCtx_setParameter(cctx, ZSTD_c_compressionLevel, 19);
|
|
/* Populate src with random data */
|
|
RDG_genBuffer(CNBuffer, srcSize, compressibility, 0.5, seed);
|
|
|
|
/* Test with block delimiters roundtrip */
|
|
seqsSize = ZSTD_generateSequences(cctx, seqs, srcSize, src, srcSize);
|
|
CHECK_Z(seqsSize);
|
|
FUZ_decodeSequences(decoded, seqs, seqsSize, src, srcSize, ZSTD_sf_explicitBlockDelimiters);
|
|
assert(!memcmp(CNBuffer, compressedBuffer, srcSize));
|
|
|
|
/* Test no block delimiters roundtrip */
|
|
seqsSize = ZSTD_mergeBlockDelimiters(seqs, seqsSize);
|
|
CHECK_Z(seqsSize);
|
|
FUZ_decodeSequences(decoded, seqs, seqsSize, src, srcSize, ZSTD_sf_noBlockDelimiters);
|
|
assert(!memcmp(CNBuffer, compressedBuffer, srcSize));
|
|
|
|
ZSTD_freeCCtx(cctx);
|
|
free(seqs);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : ZSTD_getSequences followed by ZSTD_compressSequences : ", testNb++);
|
|
{
|
|
const size_t srcSize = 500 KB;
|
|
const BYTE* const src = (BYTE*)CNBuffer;
|
|
BYTE* const dst = (BYTE*)compressedBuffer;
|
|
const size_t dstCapacity = ZSTD_compressBound(srcSize);
|
|
const size_t decompressSize = srcSize;
|
|
char* const decompressBuffer = (char*)malloc(decompressSize);
|
|
size_t compressedSize;
|
|
|
|
ZSTD_CCtx* const cctx = ZSTD_createCCtx();
|
|
ZSTD_Sequence* const seqs = (ZSTD_Sequence*)malloc(srcSize * sizeof(ZSTD_Sequence));
|
|
size_t nbSeqs;
|
|
|
|
if (seqs == NULL) goto _output_error;
|
|
assert(cctx != NULL);
|
|
|
|
/* Populate src with random data */
|
|
RDG_genBuffer(CNBuffer, srcSize, compressibility, 0., seed);
|
|
|
|
/* Roundtrip Test with block delimiters generated by ZSTD_generateSequences() */
|
|
nbSeqs = ZSTD_generateSequences(cctx, seqs, srcSize, src, srcSize);
|
|
ZSTD_CCtx_reset(cctx, ZSTD_reset_session_and_parameters);
|
|
ZSTD_CCtx_setParameter(cctx, ZSTD_c_blockDelimiters, ZSTD_sf_explicitBlockDelimiters);
|
|
compressedSize = ZSTD_compressSequences(cctx, dst, dstCapacity, seqs, nbSeqs, src, srcSize);
|
|
if (ZSTD_isError(compressedSize)) {
|
|
DISPLAY("Error in sequence compression with block delims\n");
|
|
goto _output_error;
|
|
}
|
|
{ size_t const dSize = ZSTD_decompress(decompressBuffer, decompressSize, dst, compressedSize);
|
|
if (ZSTD_isError(dSize)) {
|
|
DISPLAY("Error in sequence compression roundtrip with block delims\n");
|
|
goto _output_error;
|
|
} }
|
|
assert(!memcmp(decompressBuffer, src, srcSize));
|
|
|
|
/* Roundtrip Test with no block delimiters */
|
|
{ size_t const nbSeqsAfterMerge = ZSTD_mergeBlockDelimiters(seqs, nbSeqs);
|
|
ZSTD_CCtx_reset(cctx, ZSTD_reset_session_and_parameters);
|
|
ZSTD_CCtx_setParameter(cctx, ZSTD_c_blockDelimiters, ZSTD_sf_noBlockDelimiters);
|
|
compressedSize = ZSTD_compressSequences(cctx, dst, dstCapacity, seqs, nbSeqsAfterMerge, src, srcSize);
|
|
}
|
|
if (ZSTD_isError(compressedSize)) {
|
|
DISPLAY("Error in sequence compression with no block delims\n");
|
|
goto _output_error;
|
|
}
|
|
{ size_t const dSize = ZSTD_decompress(decompressBuffer, decompressSize, dst, compressedSize);
|
|
if (ZSTD_isError(dSize)) {
|
|
DISPLAY("Error in sequence compression roundtrip with no block delims\n");
|
|
goto _output_error;
|
|
} }
|
|
assert(!memcmp(decompressBuffer, src, srcSize));
|
|
|
|
ZSTD_freeCCtx(cctx);
|
|
free(decompressBuffer);
|
|
free(seqs);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
/* Multiple blocks of zeros test */
|
|
#define LONGZEROSLENGTH 1000000 /* 1MB of zeros */
|
|
DISPLAYLEVEL(3, "test%3i : compress %u zeroes : ", testNb++, LONGZEROSLENGTH);
|
|
memset(CNBuffer, 0, LONGZEROSLENGTH);
|
|
CHECK_VAR(cSize, ZSTD_compress(compressedBuffer, ZSTD_compressBound(LONGZEROSLENGTH), CNBuffer, LONGZEROSLENGTH, 1) );
|
|
DISPLAYLEVEL(3, "OK (%u bytes : %.2f%%)\n", (unsigned)cSize, (double)cSize/LONGZEROSLENGTH*100);
|
|
|
|
DISPLAYLEVEL(3, "test%3i : decompress %u zeroes : ", testNb++, LONGZEROSLENGTH);
|
|
{ CHECK_NEWV(r, ZSTD_decompress(decodedBuffer, LONGZEROSLENGTH, compressedBuffer, cSize) );
|
|
if (r != LONGZEROSLENGTH) goto _output_error; }
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
/* All zeroes test (test bug #137) */
|
|
#define ZEROESLENGTH 100
|
|
DISPLAYLEVEL(3, "test%3i : compress %u zeroes : ", testNb++, ZEROESLENGTH);
|
|
memset(CNBuffer, 0, ZEROESLENGTH);
|
|
CHECK_VAR(cSize, ZSTD_compress(compressedBuffer, ZSTD_compressBound(ZEROESLENGTH), CNBuffer, ZEROESLENGTH, 1) );
|
|
DISPLAYLEVEL(3, "OK (%u bytes : %.2f%%)\n", (unsigned)cSize, (double)cSize/ZEROESLENGTH*100);
|
|
|
|
DISPLAYLEVEL(3, "test%3i : decompress %u zeroes : ", testNb++, ZEROESLENGTH);
|
|
{ CHECK_NEWV(r, ZSTD_decompress(decodedBuffer, ZEROESLENGTH, compressedBuffer, cSize) );
|
|
if (r != ZEROESLENGTH) goto _output_error; }
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
/* nbSeq limit test */
|
|
#define _3BYTESTESTLENGTH 131000
|
|
#define NB3BYTESSEQLOG 9
|
|
#define NB3BYTESSEQ (1 << NB3BYTESSEQLOG)
|
|
#define NB3BYTESSEQMASK (NB3BYTESSEQ-1)
|
|
/* creates a buffer full of 3-bytes sequences */
|
|
{ BYTE _3BytesSeqs[NB3BYTESSEQ][3];
|
|
U32 rSeed = 1;
|
|
|
|
/* create batch of 3-bytes sequences */
|
|
{ int i;
|
|
for (i=0; i < NB3BYTESSEQ; i++) {
|
|
_3BytesSeqs[i][0] = (BYTE)(FUZ_rand(&rSeed) & 255);
|
|
_3BytesSeqs[i][1] = (BYTE)(FUZ_rand(&rSeed) & 255);
|
|
_3BytesSeqs[i][2] = (BYTE)(FUZ_rand(&rSeed) & 255);
|
|
} }
|
|
|
|
/* randomly fills CNBuffer with prepared 3-bytes sequences */
|
|
{ int i;
|
|
for (i=0; i < _3BYTESTESTLENGTH; i += 3) { /* note : CNBuffer size > _3BYTESTESTLENGTH+3 */
|
|
U32 const id = FUZ_rand(&rSeed) & NB3BYTESSEQMASK;
|
|
((BYTE*)CNBuffer)[i+0] = _3BytesSeqs[id][0];
|
|
((BYTE*)CNBuffer)[i+1] = _3BytesSeqs[id][1];
|
|
((BYTE*)CNBuffer)[i+2] = _3BytesSeqs[id][2];
|
|
} } }
|
|
DISPLAYLEVEL(3, "test%3i : growing nbSeq : ", testNb++);
|
|
{ ZSTD_CCtx* const cctx = ZSTD_createCCtx();
|
|
size_t const maxNbSeq = _3BYTESTESTLENGTH / 3;
|
|
size_t const bound = ZSTD_compressBound(_3BYTESTESTLENGTH);
|
|
size_t nbSeq = 1;
|
|
while (nbSeq <= maxNbSeq) {
|
|
CHECK_Z(ZSTD_compressCCtx(cctx, compressedBuffer, bound, CNBuffer, nbSeq * 3, 19));
|
|
/* Check every sequence for the first 100, then skip more rapidly. */
|
|
if (nbSeq < 100) {
|
|
++nbSeq;
|
|
} else {
|
|
nbSeq += (nbSeq >> 2);
|
|
}
|
|
}
|
|
ZSTD_freeCCtx(cctx);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : compress lots 3-bytes sequences : ", testNb++);
|
|
CHECK_VAR(cSize, ZSTD_compress(compressedBuffer, ZSTD_compressBound(_3BYTESTESTLENGTH),
|
|
CNBuffer, _3BYTESTESTLENGTH, 19) );
|
|
DISPLAYLEVEL(3, "OK (%u bytes : %.2f%%)\n", (unsigned)cSize, (double)cSize/_3BYTESTESTLENGTH*100);
|
|
|
|
DISPLAYLEVEL(3, "test%3i : decompress lots 3-bytes sequence : ", testNb++);
|
|
{ CHECK_NEWV(r, ZSTD_decompress(decodedBuffer, _3BYTESTESTLENGTH, compressedBuffer, cSize) );
|
|
if (r != _3BYTESTESTLENGTH) goto _output_error; }
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
|
|
DISPLAYLEVEL(3, "test%3i : growing literals buffer : ", testNb++);
|
|
RDG_genBuffer(CNBuffer, CNBuffSize, 0.0, 0.1, seed);
|
|
{ ZSTD_CCtx* const cctx = ZSTD_createCCtx();
|
|
size_t const bound = ZSTD_compressBound(CNBuffSize);
|
|
size_t size = 1;
|
|
while (size <= CNBuffSize) {
|
|
CHECK_Z(ZSTD_compressCCtx(cctx, compressedBuffer, bound, CNBuffer, size, 3));
|
|
/* Check every size for the first 100, then skip more rapidly. */
|
|
if (size < 100) {
|
|
++size;
|
|
} else {
|
|
size += (size >> 2);
|
|
}
|
|
}
|
|
ZSTD_freeCCtx(cctx);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : incompressible data and ill suited dictionary : ", testNb++);
|
|
{ /* Train a dictionary on low characters */
|
|
size_t dictSize = 16 KB;
|
|
void* const dictBuffer = malloc(dictSize);
|
|
size_t const totalSampleSize = 1 MB;
|
|
size_t const sampleUnitSize = 8 KB;
|
|
U32 const nbSamples = (U32)(totalSampleSize / sampleUnitSize);
|
|
size_t* const samplesSizes = (size_t*) malloc(nbSamples * sizeof(size_t));
|
|
if (!dictBuffer || !samplesSizes) goto _output_error;
|
|
{ U32 u; for (u=0; u<nbSamples; u++) samplesSizes[u] = sampleUnitSize; }
|
|
dictSize = ZDICT_trainFromBuffer(dictBuffer, dictSize, CNBuffer, samplesSizes, nbSamples);
|
|
if (ZDICT_isError(dictSize)) goto _output_error;
|
|
/* Reverse the characters to make the dictionary ill suited */
|
|
{ U32 u;
|
|
for (u = 0; u < CNBuffSize; ++u) {
|
|
((BYTE*)CNBuffer)[u] = 255 - ((BYTE*)CNBuffer)[u];
|
|
} }
|
|
{ /* Compress the data */
|
|
size_t const inputSize = 500;
|
|
size_t const outputSize = ZSTD_compressBound(inputSize);
|
|
void* const outputBuffer = malloc(outputSize);
|
|
ZSTD_CCtx* const cctx = ZSTD_createCCtx();
|
|
if (!outputBuffer || !cctx) goto _output_error;
|
|
CHECK_Z(ZSTD_compress_usingDict(cctx, outputBuffer, outputSize, CNBuffer, inputSize, dictBuffer, dictSize, 1));
|
|
free(outputBuffer);
|
|
ZSTD_freeCCtx(cctx);
|
|
}
|
|
|
|
free(dictBuffer);
|
|
free(samplesSizes);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
|
|
/* findFrameCompressedSize on skippable frames */
|
|
DISPLAYLEVEL(3, "test%3i : frame compressed size of skippable frame : ", testNb++);
|
|
{ const char* frame = "\x50\x2a\x4d\x18\x05\x0\x0\0abcde";
|
|
size_t const frameSrcSize = 13;
|
|
if (ZSTD_findFrameCompressedSize(frame, frameSrcSize) != frameSrcSize) goto _output_error; }
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
/* error string tests */
|
|
DISPLAYLEVEL(3, "test%3i : testing ZSTD error code strings : ", testNb++);
|
|
if (strcmp("No error detected", ZSTD_getErrorName((ZSTD_ErrorCode)(0-ZSTD_error_no_error))) != 0) goto _output_error;
|
|
if (strcmp("No error detected", ZSTD_getErrorString(ZSTD_error_no_error)) != 0) goto _output_error;
|
|
if (strcmp("Unspecified error code", ZSTD_getErrorString((ZSTD_ErrorCode)(0-ZSTD_error_GENERIC))) != 0) goto _output_error;
|
|
if (strcmp("Error (generic)", ZSTD_getErrorName((size_t)0-ZSTD_error_GENERIC)) != 0) goto _output_error;
|
|
if (strcmp("Error (generic)", ZSTD_getErrorString(ZSTD_error_GENERIC)) != 0) goto _output_error;
|
|
if (strcmp("No error detected", ZSTD_getErrorName(ZSTD_error_GENERIC)) != 0) goto _output_error;
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : testing ZSTD dictionary sizes : ", testNb++);
|
|
RDG_genBuffer(CNBuffer, CNBuffSize, compressibility, 0., seed);
|
|
{
|
|
size_t const size = MIN(128 KB, CNBuffSize);
|
|
ZSTD_CCtx* const cctx = ZSTD_createCCtx();
|
|
ZSTD_CDict* const lgCDict = ZSTD_createCDict(CNBuffer, size, 1);
|
|
ZSTD_CDict* const smCDict = ZSTD_createCDict(CNBuffer, 1 KB, 1);
|
|
ZSTD_frameHeader lgHeader;
|
|
ZSTD_frameHeader smHeader;
|
|
|
|
CHECK_Z(ZSTD_compress_usingCDict(cctx, compressedBuffer, compressedBufferSize, CNBuffer, size, lgCDict));
|
|
CHECK_Z(ZSTD_getFrameHeader(&lgHeader, compressedBuffer, compressedBufferSize));
|
|
CHECK_Z(ZSTD_compress_usingCDict(cctx, compressedBuffer, compressedBufferSize, CNBuffer, size, smCDict));
|
|
CHECK_Z(ZSTD_getFrameHeader(&smHeader, compressedBuffer, compressedBufferSize));
|
|
|
|
if (lgHeader.windowSize != smHeader.windowSize) goto _output_error;
|
|
|
|
ZSTD_freeCDict(smCDict);
|
|
ZSTD_freeCDict(lgCDict);
|
|
ZSTD_freeCCtx(cctx);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : testing FSE_normalizeCount() PR#1255: ", testNb++);
|
|
{
|
|
short norm[32];
|
|
unsigned count[32];
|
|
unsigned const tableLog = 5;
|
|
size_t const nbSeq = 32;
|
|
unsigned const maxSymbolValue = 31;
|
|
size_t i;
|
|
|
|
for (i = 0; i < 32; ++i)
|
|
count[i] = 1;
|
|
/* Calling FSE_normalizeCount() on a uniform distribution should not
|
|
* cause a division by zero.
|
|
*/
|
|
FSE_normalizeCount(norm, tableLog, count, nbSeq, maxSymbolValue, /* useLowProbCount */ 1);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : testing FSE_writeNCount() PR#2779: ", testNb++);
|
|
{
|
|
size_t const outBufSize = 9;
|
|
short const count[11] = {1, 0, 1, 0, 1, 0, 1, 0, 1, 9, 18};
|
|
unsigned const tableLog = 5;
|
|
unsigned const maxSymbolValue = 10;
|
|
BYTE* outBuf = (BYTE*)malloc(outBufSize*sizeof(BYTE));
|
|
|
|
/* Ensure that this write doesn't write out of bounds, and that
|
|
* FSE_writeNCount_generic() is *not* called with writeIsSafe == 1.
|
|
*/
|
|
FSE_writeNCount(outBuf, outBufSize, count, maxSymbolValue, tableLog);
|
|
free(outBuf);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : testing bitwise intrinsics PR#3045: ", testNb++);
|
|
{
|
|
U32 seed_copy = seed; /* need non-const seed to avoid compiler warning for FUZ_rand(&seed) */
|
|
U32 rand32 = FUZ_rand(&seed_copy);
|
|
U64 rand64 = ((U64)FUZ_rand(&seed_copy) << 32) | FUZ_rand(&seed_copy);
|
|
U32 lowbit_only_32 = 1;
|
|
U64 lowbit_only_64 = 1;
|
|
U32 highbit_only_32 = (U32)1 << 31;
|
|
U64 highbit_only_64 = (U64)1 << 63;
|
|
U32 i;
|
|
if (rand32 == 0) rand32 = 1; /* CLZ and CTZ are undefined on 0 */
|
|
if (rand64 == 0) rand64 = 1; /* CLZ and CTZ are undefined on 0 */
|
|
|
|
/* Test ZSTD_countTrailingZeros32 */
|
|
CHECK_EQ(ZSTD_countTrailingZeros32(lowbit_only_32), 0u);
|
|
CHECK_EQ(ZSTD_countTrailingZeros32(highbit_only_32), 31u);
|
|
CHECK_EQ(ZSTD_countTrailingZeros32(rand32), ZSTD_countTrailingZeros32_fallback(rand32));
|
|
|
|
/* Test ZSTD_countLeadingZeros32 */
|
|
CHECK_EQ(ZSTD_countLeadingZeros32(lowbit_only_32), 31u);
|
|
CHECK_EQ(ZSTD_countLeadingZeros32(highbit_only_32), 0u);
|
|
CHECK_EQ(ZSTD_countLeadingZeros32(rand32), ZSTD_countLeadingZeros32_fallback(rand32));
|
|
|
|
/* Test ZSTD_countTrailingZeros64 */
|
|
CHECK_EQ(ZSTD_countTrailingZeros64(lowbit_only_64), 0u);
|
|
CHECK_EQ(ZSTD_countTrailingZeros64(highbit_only_64), 63u);
|
|
|
|
/* Test ZSTD_countLeadingZeros64 */
|
|
CHECK_EQ(ZSTD_countLeadingZeros64(lowbit_only_64), 63u);
|
|
CHECK_EQ(ZSTD_countLeadingZeros64(highbit_only_64), 0u);
|
|
|
|
/* Test ZSTD_highbit32 */
|
|
CHECK_EQ(ZSTD_highbit32(lowbit_only_32), 0u);
|
|
CHECK_EQ(ZSTD_highbit32(highbit_only_32), 31u);
|
|
|
|
/* Test ZSTD_NbCommonBytes */
|
|
if (MEM_isLittleEndian()) {
|
|
if (MEM_64bits()) {
|
|
CHECK_EQ(ZSTD_NbCommonBytes(lowbit_only_32), 0u);
|
|
CHECK_EQ(ZSTD_NbCommonBytes(highbit_only_32), 3u);
|
|
} else {
|
|
CHECK_EQ(ZSTD_NbCommonBytes(lowbit_only_32), 0u);
|
|
CHECK_EQ(ZSTD_NbCommonBytes(highbit_only_32), 3u);
|
|
}
|
|
} else {
|
|
if (MEM_64bits()) {
|
|
CHECK_EQ(ZSTD_NbCommonBytes(lowbit_only_32), 7u);
|
|
CHECK_EQ(ZSTD_NbCommonBytes(highbit_only_32), 4u);
|
|
} else {
|
|
CHECK_EQ(ZSTD_NbCommonBytes(lowbit_only_32), 3u);
|
|
CHECK_EQ(ZSTD_NbCommonBytes(highbit_only_32), 0u);
|
|
}
|
|
}
|
|
|
|
/* Test MEM_ intrinsics */
|
|
CHECK_EQ(MEM_swap32(rand32), MEM_swap32_fallback(rand32));
|
|
CHECK_EQ(MEM_swap64(rand64), MEM_swap64_fallback(rand64));
|
|
|
|
/* Test fallbacks vs intrinsics on a range of small integers */
|
|
for (i=1; i <= 1000; i++) {
|
|
CHECK_EQ(MEM_swap32(i), MEM_swap32_fallback(i));
|
|
CHECK_EQ(MEM_swap64((U64)i), MEM_swap64_fallback((U64)i));
|
|
CHECK_EQ(ZSTD_countTrailingZeros32(i), ZSTD_countTrailingZeros32_fallback(i));
|
|
CHECK_EQ(ZSTD_countLeadingZeros32(i), ZSTD_countLeadingZeros32_fallback(i));
|
|
}
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
#ifdef ZSTD_MULTITHREAD
|
|
DISPLAYLEVEL(3, "test%3i : passing wrong full dict should fail on compressStream2 refPrefix ", testNb++);
|
|
{ ZSTD_CCtx* cctx = ZSTD_createCCtx();
|
|
size_t const srcSize = 1 MB + 5; /* A little more than ZSTDMT_JOBSIZE_MIN */
|
|
size_t const dstSize = ZSTD_compressBound(srcSize);
|
|
void* const src = CNBuffer;
|
|
void* const dst = compressedBuffer;
|
|
void* dict = (void*)malloc(srcSize);
|
|
|
|
RDG_genBuffer(src, srcSize, compressibility, 0.5, seed);
|
|
RDG_genBuffer(dict, srcSize, compressibility, 0., seed);
|
|
|
|
/* Make sure there is no ZSTD_MAGIC_NUMBER */
|
|
memset(dict, 0, sizeof(U32));
|
|
|
|
/* something more than 1 */
|
|
CHECK_Z(ZSTD_CCtx_setParameter(cctx, ZSTD_c_nbWorkers, 2));
|
|
/* lie and claim this is a full dict */
|
|
CHECK_Z(ZSTD_CCtx_refPrefix_advanced(cctx, dict, srcSize, ZSTD_dct_fullDict));
|
|
|
|
{ ZSTD_outBuffer out = {dst, dstSize, 0};
|
|
ZSTD_inBuffer in = {src, srcSize, 0};
|
|
/* should fail because its not a full dict like we said it was */
|
|
assert(ZSTD_isError(ZSTD_compressStream2(cctx, &out, &in, ZSTD_e_flush)));
|
|
}
|
|
|
|
ZSTD_freeCCtx(cctx);
|
|
free(dict);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : small dictionary with multithreading and LDM ", testNb++);
|
|
{ ZSTD_CCtx* cctx = ZSTD_createCCtx();
|
|
size_t const srcSize = 1 MB + 5; /* A little more than ZSTDMT_JOBSIZE_MIN */
|
|
size_t const dictSize = 10;
|
|
size_t const dstSize = ZSTD_compressBound(srcSize);
|
|
void* const src = CNBuffer;
|
|
void* const dst = compressedBuffer;
|
|
void* dict = (void*)malloc(dictSize);
|
|
|
|
RDG_genBuffer(src, srcSize, compressibility, 0.5, seed);
|
|
RDG_genBuffer(dict, dictSize, compressibility, 0., seed);
|
|
|
|
/* Make sure there is no ZSTD_MAGIC_NUMBER */
|
|
memset(dict, 0, sizeof(U32));
|
|
|
|
/* Enable MT, LDM, and use refPrefix() for a small dict */
|
|
CHECK_Z(ZSTD_CCtx_setParameter(cctx, ZSTD_c_nbWorkers, 2));
|
|
CHECK_Z(ZSTD_CCtx_setParameter(cctx, ZSTD_c_enableLongDistanceMatching, ZSTD_ps_enable));
|
|
CHECK_Z(ZSTD_CCtx_refPrefix(cctx, dict, dictSize));
|
|
|
|
CHECK_Z(ZSTD_compress2(cctx, dst, dstSize, src, srcSize));
|
|
|
|
ZSTD_freeCCtx(cctx);
|
|
free(dict);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : ZSTD_getCParams() + dictionary ", testNb++);
|
|
{
|
|
ZSTD_compressionParameters const medium = ZSTD_getCParams(1, 16*1024-1, 0);
|
|
ZSTD_compressionParameters const large = ZSTD_getCParams(1, 128*1024-1, 0);
|
|
ZSTD_compressionParameters const smallDict = ZSTD_getCParams(1, 0, 400);
|
|
ZSTD_compressionParameters const mediumDict = ZSTD_getCParams(1, 0, 10000);
|
|
ZSTD_compressionParameters const largeDict = ZSTD_getCParams(1, 0, 100000);
|
|
|
|
assert(!memcmp(&smallDict, &mediumDict, sizeof(smallDict)));
|
|
assert(!memcmp(&medium, &mediumDict, sizeof(medium)));
|
|
assert(!memcmp(&large, &largeDict, sizeof(large)));
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : ZSTD_adjustCParams() + dictionary ", testNb++);
|
|
{
|
|
ZSTD_compressionParameters const cParams = ZSTD_getCParams(1, 0, 0);
|
|
ZSTD_compressionParameters const smallDict = ZSTD_adjustCParams(cParams, 0, 400);
|
|
ZSTD_compressionParameters const smallSrcAndDict = ZSTD_adjustCParams(cParams, 500, 400);
|
|
|
|
assert(smallSrcAndDict.windowLog == 10);
|
|
assert(!memcmp(&cParams, &smallDict, sizeof(cParams)));
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : check compression mem usage monotonicity over levels for estimateCCtxSize() : ", testNb++);
|
|
{
|
|
int level = 1;
|
|
size_t prevSize = 0;
|
|
for (; level < ZSTD_maxCLevel(); ++level) {
|
|
size_t const currSize = ZSTD_estimateCCtxSize(level);
|
|
if (prevSize > currSize) {
|
|
DISPLAYLEVEL(3, "Error! previous cctx size: %zu at level: %d is larger than current cctx size: %zu at level: %d",
|
|
prevSize, level-1, currSize, level);
|
|
goto _output_error;
|
|
}
|
|
prevSize = currSize;
|
|
}
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : check estimateCCtxSize() always larger or equal to ZSTD_estimateCCtxSize_usingCParams() : ", testNb++);
|
|
{
|
|
size_t const kSizeIncrement = 2 KB;
|
|
int level = -3;
|
|
|
|
for (; level <= ZSTD_maxCLevel(); ++level) {
|
|
size_t dictSize = 0;
|
|
for (; dictSize <= 256 KB; dictSize += 8 * kSizeIncrement) {
|
|
size_t srcSize = 2 KB;
|
|
for (; srcSize < 300 KB; srcSize += kSizeIncrement) {
|
|
ZSTD_compressionParameters const cParams = ZSTD_getCParams(level, srcSize, dictSize);
|
|
size_t const cctxSizeUsingCParams = ZSTD_estimateCCtxSize_usingCParams(cParams);
|
|
size_t const cctxSizeUsingLevel = ZSTD_estimateCCtxSize(level);
|
|
if (cctxSizeUsingLevel < cctxSizeUsingCParams
|
|
|| ZSTD_isError(cctxSizeUsingCParams)
|
|
|| ZSTD_isError(cctxSizeUsingLevel)) {
|
|
DISPLAYLEVEL(3, "error! l: %d dict: %zu srcSize: %zu cctx size cpar: %zu, cctx size level: %zu\n",
|
|
level, dictSize, srcSize, cctxSizeUsingCParams, cctxSizeUsingLevel);
|
|
goto _output_error;
|
|
} } } } }
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "test%3i : thread pool API tests : \n", testNb++)
|
|
{
|
|
int const threadPoolTestResult = threadPoolTests();
|
|
if (threadPoolTestResult) {
|
|
goto _output_error;
|
|
}
|
|
}
|
|
DISPLAYLEVEL(3, "thread pool tests OK \n");
|
|
|
|
#endif /* ZSTD_MULTITHREAD */
|
|
|
|
_end:
|
|
free(CNBuffer);
|
|
free(compressedBuffer);
|
|
free(decodedBuffer);
|
|
return testResult;
|
|
|
|
_output_error:
|
|
testResult = 1;
|
|
DISPLAY("Error detected in Unit tests ! \n");
|
|
goto _end;
|
|
}
|
|
|
|
static int longUnitTests(U32 const seed, double compressibility)
|
|
{
|
|
size_t const CNBuffSize = 5 MB;
|
|
void* const CNBuffer = malloc(CNBuffSize);
|
|
size_t const compressedBufferSize = ZSTD_compressBound(CNBuffSize);
|
|
void* const compressedBuffer = malloc(compressedBufferSize);
|
|
void* const decodedBuffer = malloc(CNBuffSize);
|
|
int testResult = 0;
|
|
unsigned testNb=0;
|
|
size_t cSize;
|
|
|
|
/* Create compressible noise */
|
|
if (!CNBuffer || !compressedBuffer || !decodedBuffer) {
|
|
DISPLAY("Not enough memory, aborting\n");
|
|
testResult = 1;
|
|
goto _end;
|
|
}
|
|
RDG_genBuffer(CNBuffer, CNBuffSize, compressibility, 0., seed);
|
|
|
|
/* note : this test is rather long, it would be great to find a way to speed up its execution */
|
|
DISPLAYLEVEL(3, "longtest%3i : table cleanliness through index reduction : ", testNb++);
|
|
{ int cLevel;
|
|
size_t approxIndex = 0;
|
|
size_t maxIndex = ((3U << 29) + (1U << ZSTD_WINDOWLOG_MAX)); /* ZSTD_CURRENT_MAX from zstd_compress_internal.h */
|
|
|
|
/* Provision enough space in a static context so that we can do all
|
|
* this without ever reallocating, which would reset the indices. */
|
|
size_t const staticCCtxSize = ZSTD_estimateCStreamSize(22);
|
|
void* const staticCCtxBuffer = malloc(staticCCtxSize);
|
|
ZSTD_CCtx* const cctx = ZSTD_initStaticCCtx(staticCCtxBuffer, staticCCtxSize);
|
|
|
|
/* bump the indices so the following compressions happen at high
|
|
* indices. */
|
|
{ ZSTD_outBuffer out = { compressedBuffer, compressedBufferSize, 0 };
|
|
ZSTD_inBuffer in = { CNBuffer, CNBuffSize, 0 };
|
|
ZSTD_CCtx_reset(cctx, ZSTD_reset_session_and_parameters);
|
|
CHECK_Z(ZSTD_CCtx_setParameter(cctx, ZSTD_c_compressionLevel, -500));
|
|
while (approxIndex <= (maxIndex / 4) * 3) {
|
|
CHECK_Z(ZSTD_compressStream2(cctx, &out, &in, ZSTD_e_flush));
|
|
approxIndex += in.pos;
|
|
CHECK_Z(in.pos == in.size);
|
|
in.pos = 0;
|
|
out.pos = 0;
|
|
}
|
|
CHECK_Z(ZSTD_compressStream2(cctx, &out, &in, ZSTD_e_end));
|
|
}
|
|
|
|
/* spew a bunch of stuff into the table area */
|
|
for (cLevel = 1; cLevel <= 22; cLevel++) {
|
|
ZSTD_outBuffer out = { compressedBuffer, compressedBufferSize / (unsigned)cLevel, 0 };
|
|
ZSTD_inBuffer in = { CNBuffer, CNBuffSize, 0 };
|
|
ZSTD_CCtx_reset(cctx, ZSTD_reset_session_and_parameters);
|
|
CHECK_Z(ZSTD_CCtx_setParameter(cctx, ZSTD_c_compressionLevel, cLevel));
|
|
CHECK_Z(ZSTD_compressStream2(cctx, &out, &in, ZSTD_e_flush));
|
|
CHECK_Z(ZSTD_compressStream2(cctx, &out, &in, ZSTD_e_end));
|
|
approxIndex += in.pos;
|
|
}
|
|
|
|
/* now crank the indices so we overflow */
|
|
{ ZSTD_outBuffer out = { compressedBuffer, compressedBufferSize, 0 };
|
|
ZSTD_inBuffer in = { CNBuffer, CNBuffSize, 0 };
|
|
ZSTD_CCtx_reset(cctx, ZSTD_reset_session_and_parameters);
|
|
CHECK_Z(ZSTD_CCtx_setParameter(cctx, ZSTD_c_compressionLevel, -500));
|
|
while (approxIndex <= maxIndex) {
|
|
CHECK_Z(ZSTD_compressStream2(cctx, &out, &in, ZSTD_e_flush));
|
|
approxIndex += in.pos;
|
|
CHECK_Z(in.pos == in.size);
|
|
in.pos = 0;
|
|
out.pos = 0;
|
|
}
|
|
CHECK_Z(ZSTD_compressStream2(cctx, &out, &in, ZSTD_e_end));
|
|
}
|
|
|
|
/* do a bunch of compressions again in low indices and ensure we don't
|
|
* hit untracked invalid indices */
|
|
for (cLevel = 1; cLevel <= 22; cLevel++) {
|
|
ZSTD_outBuffer out = { compressedBuffer, compressedBufferSize / (unsigned)cLevel, 0 };
|
|
ZSTD_inBuffer in = { CNBuffer, CNBuffSize, 0 };
|
|
ZSTD_CCtx_reset(cctx, ZSTD_reset_session_and_parameters);
|
|
CHECK_Z(ZSTD_CCtx_setParameter(cctx, ZSTD_c_compressionLevel, cLevel));
|
|
CHECK_Z(ZSTD_compressStream2(cctx, &out, &in, ZSTD_e_flush));
|
|
CHECK_Z(ZSTD_compressStream2(cctx, &out, &in, ZSTD_e_end));
|
|
approxIndex += in.pos;
|
|
}
|
|
|
|
free(staticCCtxBuffer);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "longtest%3i : testing ldm no regressions in size for opt parser : ", testNb++);
|
|
{ size_t cSizeLdm;
|
|
size_t cSizeNoLdm;
|
|
ZSTD_CCtx* const cctx = ZSTD_createCCtx();
|
|
|
|
RDG_genBuffer(CNBuffer, CNBuffSize, 0.5, 0.5, seed);
|
|
|
|
/* Enable checksum to verify round trip. */
|
|
CHECK_Z(ZSTD_CCtx_setParameter(cctx, ZSTD_c_checksumFlag, 1));
|
|
CHECK_Z(ZSTD_CCtx_setParameter(cctx, ZSTD_c_enableLongDistanceMatching, ZSTD_ps_enable));
|
|
CHECK_Z(ZSTD_CCtx_setParameter(cctx, ZSTD_c_compressionLevel, 19));
|
|
|
|
/* Round trip once with ldm. */
|
|
cSizeLdm = ZSTD_compress2(cctx, compressedBuffer, compressedBufferSize, CNBuffer, CNBuffSize);
|
|
CHECK_Z(cSizeLdm);
|
|
CHECK_Z(ZSTD_decompress(decodedBuffer, CNBuffSize, compressedBuffer, cSizeLdm));
|
|
|
|
ZSTD_CCtx_reset(cctx, ZSTD_reset_session_and_parameters);
|
|
CHECK_Z(ZSTD_CCtx_setParameter(cctx, ZSTD_c_checksumFlag, 1));
|
|
CHECK_Z(ZSTD_CCtx_setParameter(cctx, ZSTD_c_enableLongDistanceMatching, ZSTD_ps_disable));
|
|
CHECK_Z(ZSTD_CCtx_setParameter(cctx, ZSTD_c_compressionLevel, 19));
|
|
|
|
/* Round trip once without ldm. */
|
|
cSizeNoLdm = ZSTD_compress2(cctx, compressedBuffer, compressedBufferSize, CNBuffer, CNBuffSize);
|
|
CHECK_Z(cSizeNoLdm);
|
|
CHECK_Z(ZSTD_decompress(decodedBuffer, CNBuffSize, compressedBuffer, cSizeNoLdm));
|
|
|
|
if (cSizeLdm > cSizeNoLdm) {
|
|
DISPLAY("Using long mode should not cause regressions for btopt+\n");
|
|
testResult = 1;
|
|
goto _end;
|
|
}
|
|
|
|
ZSTD_freeCCtx(cctx);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
DISPLAYLEVEL(3, "longtest%3i : testing cdict compression with different attachment strategies : ", testNb++);
|
|
{ ZSTD_CCtx* const cctx = ZSTD_createCCtx();
|
|
ZSTD_DCtx* const dctx = ZSTD_createDCtx();
|
|
size_t dictSize = CNBuffSize;
|
|
void* dict = (void*)malloc(dictSize);
|
|
ZSTD_CCtx_params* cctx_params = ZSTD_createCCtxParams();
|
|
ZSTD_dictAttachPref_e const attachPrefs[] = {
|
|
ZSTD_dictDefaultAttach,
|
|
ZSTD_dictForceAttach,
|
|
ZSTD_dictForceCopy,
|
|
ZSTD_dictForceLoad,
|
|
ZSTD_dictDefaultAttach,
|
|
ZSTD_dictForceAttach,
|
|
ZSTD_dictForceCopy,
|
|
ZSTD_dictForceLoad
|
|
};
|
|
int const enableDedicatedDictSearch[] = {0, 0, 0, 0, 1, 1, 1, 1};
|
|
int cLevel;
|
|
int i;
|
|
|
|
RDG_genBuffer(dict, dictSize, 0.5, 0.5, seed);
|
|
RDG_genBuffer(CNBuffer, CNBuffSize, 0.6, 0.6, seed);
|
|
|
|
CHECK_Z(cctx_params != NULL);
|
|
|
|
for (dictSize = CNBuffSize; dictSize; dictSize = dictSize >> 3) {
|
|
DISPLAYLEVEL(3, "\n Testing with dictSize %u ", (U32)dictSize);
|
|
for (cLevel = 4; cLevel < 13; cLevel++) {
|
|
for (i = 0; i < 8; ++i) {
|
|
ZSTD_dictAttachPref_e const attachPref = attachPrefs[i];
|
|
int const enableDDS = enableDedicatedDictSearch[i];
|
|
ZSTD_CDict* cdict;
|
|
|
|
DISPLAYLEVEL(5, "\n dictSize %u cLevel %d iter %d ", (U32)dictSize, cLevel, i);
|
|
|
|
ZSTD_CCtxParams_init(cctx_params, cLevel);
|
|
CHECK_Z(ZSTD_CCtxParams_setParameter(cctx_params, ZSTD_c_enableDedicatedDictSearch, enableDDS));
|
|
|
|
cdict = ZSTD_createCDict_advanced2(dict, dictSize, ZSTD_dlm_byRef, ZSTD_dct_auto, cctx_params, ZSTD_defaultCMem);
|
|
CHECK(cdict != NULL);
|
|
|
|
CHECK_Z(ZSTD_CCtx_refCDict(cctx, cdict));
|
|
CHECK_Z(ZSTD_CCtx_setParameter(cctx, ZSTD_c_forceAttachDict, (int)attachPref));
|
|
|
|
cSize = ZSTD_compress2(cctx, compressedBuffer, compressedBufferSize, CNBuffer, CNBuffSize);
|
|
CHECK_Z(cSize);
|
|
CHECK_Z(ZSTD_decompress_usingDict(dctx, decodedBuffer, CNBuffSize, compressedBuffer, cSize, dict, dictSize));
|
|
|
|
DISPLAYLEVEL(5, "compressed to %u bytes ", (U32)cSize);
|
|
|
|
CHECK_Z(ZSTD_CCtx_reset(cctx, ZSTD_reset_session_and_parameters));
|
|
ZSTD_freeCDict(cdict);
|
|
} } }
|
|
|
|
ZSTD_freeCCtx(cctx);
|
|
ZSTD_freeDCtx(dctx);
|
|
ZSTD_freeCCtxParams(cctx_params);
|
|
free(dict);
|
|
}
|
|
DISPLAYLEVEL(3, "OK \n");
|
|
|
|
_end:
|
|
free(CNBuffer);
|
|
free(compressedBuffer);
|
|
free(decodedBuffer);
|
|
return testResult;
|
|
}
|
|
|
|
|
|
static size_t findDiff(const void* buf1, const void* buf2, size_t max)
|
|
{
|
|
const BYTE* b1 = (const BYTE*)buf1;
|
|
const BYTE* b2 = (const BYTE*)buf2;
|
|
size_t u;
|
|
for (u=0; u<max; u++) {
|
|
if (b1[u] != b2[u]) break;
|
|
}
|
|
return u;
|
|
}
|
|
|
|
|
|
static ZSTD_parameters FUZ_makeParams(ZSTD_compressionParameters cParams, ZSTD_frameParameters fParams)
|
|
{
|
|
ZSTD_parameters params;
|
|
params.cParams = cParams;
|
|
params.fParams = fParams;
|
|
return params;
|
|
}
|
|
|
|
static size_t FUZ_rLogLength(U32* seed, U32 logLength)
|
|
{
|
|
size_t const lengthMask = ((size_t)1 << logLength) - 1;
|
|
return (lengthMask+1) + (FUZ_rand(seed) & lengthMask);
|
|
}
|
|
|
|
static size_t FUZ_randomLength(U32* seed, U32 maxLog)
|
|
{
|
|
U32 const logLength = FUZ_rand(seed) % maxLog;
|
|
return FUZ_rLogLength(seed, logLength);
|
|
}
|
|
|
|
#undef CHECK
|
|
#define CHECK(cond, ...) { \
|
|
if (cond) { \
|
|
DISPLAY("Error => "); \
|
|
DISPLAY(__VA_ARGS__); \
|
|
DISPLAY(" (seed %u, test nb %u) \n", (unsigned)seed, testNb); \
|
|
goto _output_error; \
|
|
} }
|
|
|
|
#undef CHECK_Z
|
|
#define CHECK_Z(f) { \
|
|
size_t const err = f; \
|
|
if (ZSTD_isError(err)) { \
|
|
DISPLAY("Error => %s : %s ", \
|
|
#f, ZSTD_getErrorName(err)); \
|
|
DISPLAY(" (seed %u, test nb %u) \n", (unsigned)seed, testNb); \
|
|
goto _output_error; \
|
|
} }
|
|
|
|
|
|
static int fuzzerTests(U32 seed, unsigned nbTests, unsigned startTest, U32 const maxDurationS, double compressibility, int bigTests)
|
|
{
|
|
static const U32 maxSrcLog = 23;
|
|
static const U32 maxSampleLog = 22;
|
|
size_t const srcBufferSize = (size_t)1<<maxSrcLog;
|
|
size_t const dstBufferSize = (size_t)1<<maxSampleLog;
|
|
size_t const cBufferSize = ZSTD_compressBound(dstBufferSize);
|
|
BYTE* cNoiseBuffer[5];
|
|
BYTE* const cBuffer = (BYTE*) malloc (cBufferSize);
|
|
BYTE* const dstBuffer = (BYTE*) malloc (dstBufferSize);
|
|
BYTE* const mirrorBuffer = (BYTE*) malloc (dstBufferSize);
|
|
ZSTD_CCtx* const refCtx = ZSTD_createCCtx();
|
|
ZSTD_CCtx* const ctx = ZSTD_createCCtx();
|
|
ZSTD_DCtx* const dctx = ZSTD_createDCtx();
|
|
U32 result = 0;
|
|
unsigned testNb = 0;
|
|
U32 coreSeed = seed;
|
|
UTIL_time_t const startClock = UTIL_getTime();
|
|
U64 const maxClockSpan = maxDurationS * SEC_TO_MICRO;
|
|
int const cLevelLimiter = bigTests ? 3 : 2;
|
|
|
|
/* allocation */
|
|
cNoiseBuffer[0] = (BYTE*)malloc (srcBufferSize);
|
|
cNoiseBuffer[1] = (BYTE*)malloc (srcBufferSize);
|
|
cNoiseBuffer[2] = (BYTE*)malloc (srcBufferSize);
|
|
cNoiseBuffer[3] = (BYTE*)malloc (srcBufferSize);
|
|
cNoiseBuffer[4] = (BYTE*)malloc (srcBufferSize);
|
|
CHECK (!cNoiseBuffer[0] || !cNoiseBuffer[1] || !cNoiseBuffer[2] || !cNoiseBuffer[3] || !cNoiseBuffer[4]
|
|
|| !dstBuffer || !mirrorBuffer || !cBuffer || !refCtx || !ctx || !dctx,
|
|
"Not enough memory, fuzzer tests cancelled");
|
|
|
|
/* Create initial samples */
|
|
RDG_genBuffer(cNoiseBuffer[0], srcBufferSize, 0.00, 0., coreSeed); /* pure noise */
|
|
RDG_genBuffer(cNoiseBuffer[1], srcBufferSize, 0.05, 0., coreSeed); /* barely compressible */
|
|
RDG_genBuffer(cNoiseBuffer[2], srcBufferSize, compressibility, 0., coreSeed);
|
|
RDG_genBuffer(cNoiseBuffer[3], srcBufferSize, 0.95, 0., coreSeed); /* highly compressible */
|
|
RDG_genBuffer(cNoiseBuffer[4], srcBufferSize, 1.00, 0., coreSeed); /* sparse content */
|
|
|
|
/* catch up testNb */
|
|
for (testNb=1; testNb < startTest; testNb++) FUZ_rand(&coreSeed);
|
|
|
|
/* main test loop */
|
|
for ( ; (testNb <= nbTests) || (UTIL_clockSpanMicro(startClock) < maxClockSpan); testNb++ ) {
|
|
BYTE* srcBuffer; /* jumping pointer */
|
|
U32 lseed;
|
|
size_t sampleSize, maxTestSize, totalTestSize;
|
|
size_t cSize, totalCSize, totalGenSize;
|
|
U64 crcOrig;
|
|
BYTE* sampleBuffer;
|
|
const BYTE* dict;
|
|
size_t dictSize;
|
|
|
|
/* notification */
|
|
if (nbTests >= testNb) { DISPLAYUPDATE(2, "\r%6u/%6u ", testNb, nbTests); }
|
|
else { DISPLAYUPDATE(2, "\r%6u ", testNb); }
|
|
|
|
FUZ_rand(&coreSeed);
|
|
{ U32 const prime1 = 2654435761U; lseed = coreSeed ^ prime1; }
|
|
|
|
/* srcBuffer selection [0-4] */
|
|
{ U32 buffNb = FUZ_rand(&lseed) & 0x7F;
|
|
if (buffNb & 7) buffNb=2; /* most common : compressible (P) */
|
|
else {
|
|
buffNb >>= 3;
|
|
if (buffNb & 7) {
|
|
const U32 tnb[2] = { 1, 3 }; /* barely/highly compressible */
|
|
buffNb = tnb[buffNb >> 3];
|
|
} else {
|
|
const U32 tnb[2] = { 0, 4 }; /* not compressible / sparse */
|
|
buffNb = tnb[buffNb >> 3];
|
|
} }
|
|
srcBuffer = cNoiseBuffer[buffNb];
|
|
}
|
|
|
|
/* select src segment */
|
|
sampleSize = FUZ_randomLength(&lseed, maxSampleLog);
|
|
|
|
/* create sample buffer (to catch read error with valgrind & sanitizers) */
|
|
sampleBuffer = (BYTE*)malloc(sampleSize);
|
|
CHECK(sampleBuffer==NULL, "not enough memory for sample buffer");
|
|
{ size_t const sampleStart = FUZ_rand(&lseed) % (srcBufferSize - sampleSize);
|
|
memcpy(sampleBuffer, srcBuffer + sampleStart, sampleSize); }
|
|
crcOrig = XXH64(sampleBuffer, sampleSize, 0);
|
|
|
|
/* compression tests */
|
|
{ int const cLevelPositive = (int)
|
|
( FUZ_rand(&lseed) %
|
|
((U32)ZSTD_maxCLevel() - (FUZ_highbit32((U32)sampleSize) / (U32)cLevelLimiter)) )
|
|
+ 1;
|
|
int const cLevel = ((FUZ_rand(&lseed) & 15) == 3) ?
|
|
- (int)((FUZ_rand(&lseed) & 7) + 1) : /* test negative cLevel */
|
|
cLevelPositive;
|
|
DISPLAYLEVEL(5, "fuzzer t%u: Simple compression test (level %i) \n", testNb, cLevel);
|
|
cSize = ZSTD_compressCCtx(ctx, cBuffer, cBufferSize, sampleBuffer, sampleSize, cLevel);
|
|
CHECK(ZSTD_isError(cSize), "ZSTD_compressCCtx failed : %s", ZSTD_getErrorName(cSize));
|
|
|
|
/* compression failure test : too small dest buffer */
|
|
assert(cSize > 3);
|
|
{ const size_t missing = (FUZ_rand(&lseed) % (cSize-2)) + 1;
|
|
const size_t tooSmallSize = cSize - missing;
|
|
const unsigned endMark = 0x4DC2B1A9;
|
|
memcpy(dstBuffer+tooSmallSize, &endMark, sizeof(endMark));
|
|
DISPLAYLEVEL(5, "fuzzer t%u: compress into too small buffer of size %u (missing %u bytes) \n",
|
|
testNb, (unsigned)tooSmallSize, (unsigned)missing);
|
|
{ size_t const errorCode = ZSTD_compressCCtx(ctx, dstBuffer, tooSmallSize, sampleBuffer, sampleSize, cLevel);
|
|
CHECK(ZSTD_getErrorCode(errorCode) != ZSTD_error_dstSize_tooSmall, "ZSTD_compressCCtx should have failed ! (buffer too small : %u < %u)", (unsigned)tooSmallSize, (unsigned)cSize); }
|
|
{ unsigned endCheck; memcpy(&endCheck, dstBuffer+tooSmallSize, sizeof(endCheck));
|
|
CHECK(endCheck != endMark, "ZSTD_compressCCtx : dst buffer overflow (check.%08X != %08X.mark)", endCheck, endMark); }
|
|
} }
|
|
|
|
/* frame header decompression test */
|
|
{ ZSTD_frameHeader zfh;
|
|
CHECK_Z( ZSTD_getFrameHeader(&zfh, cBuffer, cSize) );
|
|
CHECK(zfh.frameContentSize != sampleSize, "Frame content size incorrect");
|
|
}
|
|
|
|
/* Decompressed size test */
|
|
{ unsigned long long const rSize = ZSTD_findDecompressedSize(cBuffer, cSize);
|
|
CHECK(rSize != sampleSize, "decompressed size incorrect");
|
|
}
|
|
|
|
/* successful decompression test */
|
|
DISPLAYLEVEL(5, "fuzzer t%u: simple decompression test \n", testNb);
|
|
{ size_t const margin = (FUZ_rand(&lseed) & 1) ? 0 : (FUZ_rand(&lseed) & 31) + 1;
|
|
size_t const dSize = ZSTD_decompress(dstBuffer, sampleSize + margin, cBuffer, cSize);
|
|
CHECK(dSize != sampleSize, "ZSTD_decompress failed (%s) (srcSize : %u ; cSize : %u)", ZSTD_getErrorName(dSize), (unsigned)sampleSize, (unsigned)cSize);
|
|
{ U64 const crcDest = XXH64(dstBuffer, sampleSize, 0);
|
|
CHECK(crcOrig != crcDest, "decompression result corrupted (pos %u / %u)", (unsigned)findDiff(sampleBuffer, dstBuffer, sampleSize), (unsigned)sampleSize);
|
|
} }
|
|
|
|
free(sampleBuffer); /* no longer useful after this point */
|
|
|
|
/* truncated src decompression test */
|
|
DISPLAYLEVEL(5, "fuzzer t%u: decompression of truncated source \n", testNb);
|
|
{ size_t const missing = (FUZ_rand(&lseed) % (cSize-2)) + 1; /* no problem, as cSize > 4 (frameHeaderSizer) */
|
|
size_t const tooSmallSize = cSize - missing;
|
|
void* cBufferTooSmall = malloc(tooSmallSize); /* valgrind will catch read overflows */
|
|
CHECK(cBufferTooSmall == NULL, "not enough memory !");
|
|
memcpy(cBufferTooSmall, cBuffer, tooSmallSize);
|
|
{ size_t const errorCode = ZSTD_decompress(dstBuffer, dstBufferSize, cBufferTooSmall, tooSmallSize);
|
|
CHECK(!ZSTD_isError(errorCode), "ZSTD_decompress should have failed ! (truncated src buffer)"); }
|
|
free(cBufferTooSmall);
|
|
}
|
|
|
|
/* too small dst decompression test */
|
|
DISPLAYLEVEL(5, "fuzzer t%u: decompress into too small dst buffer \n", testNb);
|
|
if (sampleSize > 3) {
|
|
size_t const missing = (FUZ_rand(&lseed) % (sampleSize-2)) + 1; /* no problem, as cSize > 4 (frameHeaderSizer) */
|
|
size_t const tooSmallSize = sampleSize - missing;
|
|
static const BYTE token = 0xA9;
|
|
dstBuffer[tooSmallSize] = token;
|
|
{ size_t const errorCode = ZSTD_decompress(dstBuffer, tooSmallSize, cBuffer, cSize);
|
|
CHECK(ZSTD_getErrorCode(errorCode) != ZSTD_error_dstSize_tooSmall, "ZSTD_decompress should have failed : %u > %u (dst buffer too small)", (unsigned)errorCode, (unsigned)tooSmallSize); }
|
|
CHECK(dstBuffer[tooSmallSize] != token, "ZSTD_decompress : dst buffer overflow");
|
|
}
|
|
|
|
/* noisy src decompression test */
|
|
if (cSize > 6) {
|
|
/* insert noise into src */
|
|
{ U32 const maxNbBits = FUZ_highbit32((U32)(cSize-4));
|
|
size_t pos = 4; /* preserve magic number (too easy to detect) */
|
|
for (;;) {
|
|
/* keep some original src */
|
|
{ U32 const nbBits = FUZ_rand(&lseed) % maxNbBits;
|
|
size_t const mask = (1<<nbBits) - 1;
|
|
size_t const skipLength = FUZ_rand(&lseed) & mask;
|
|
pos += skipLength;
|
|
}
|
|
if (pos >= cSize) break;
|
|
/* add noise */
|
|
{ U32 const nbBitsCodes = FUZ_rand(&lseed) % maxNbBits;
|
|
U32 const nbBits = nbBitsCodes ? nbBitsCodes-1 : 0;
|
|
size_t const mask = (1<<nbBits) - 1;
|
|
size_t const rNoiseLength = (FUZ_rand(&lseed) & mask) + 1;
|
|
size_t const noiseLength = MIN(rNoiseLength, cSize-pos);
|
|
size_t const noiseStart = FUZ_rand(&lseed) % (srcBufferSize - noiseLength);
|
|
memcpy(cBuffer + pos, srcBuffer + noiseStart, noiseLength);
|
|
pos += noiseLength;
|
|
} } }
|
|
|
|
/* decompress noisy source */
|
|
DISPLAYLEVEL(5, "fuzzer t%u: decompress noisy source \n", testNb);
|
|
{ U32 const endMark = 0xA9B1C3D6;
|
|
memcpy(dstBuffer+sampleSize, &endMark, 4);
|
|
{ size_t const decompressResult = ZSTD_decompress(dstBuffer, sampleSize, cBuffer, cSize);
|
|
/* result *may* be an unlikely success, but even then, it must strictly respect dst buffer boundaries */
|
|
CHECK((!ZSTD_isError(decompressResult)) && (decompressResult>sampleSize),
|
|
"ZSTD_decompress on noisy src : result is too large : %u > %u (dst buffer)", (unsigned)decompressResult, (unsigned)sampleSize);
|
|
}
|
|
{ U32 endCheck; memcpy(&endCheck, dstBuffer+sampleSize, 4);
|
|
CHECK(endMark!=endCheck, "ZSTD_decompress on noisy src : dst buffer overflow");
|
|
} } } /* noisy src decompression test */
|
|
|
|
/*===== Bufferless streaming compression test, scattered segments and dictionary =====*/
|
|
DISPLAYLEVEL(5, "fuzzer t%u: Bufferless streaming compression test \n", testNb);
|
|
{ U32 const testLog = FUZ_rand(&lseed) % maxSrcLog;
|
|
U32 const dictLog = FUZ_rand(&lseed) % maxSrcLog;
|
|
int const cLevel = (int)(FUZ_rand(&lseed) %
|
|
((U32)ZSTD_maxCLevel() -
|
|
(MAX(testLog, dictLog) / (U32)cLevelLimiter))) +
|
|
1;
|
|
maxTestSize = FUZ_rLogLength(&lseed, testLog);
|
|
if (maxTestSize >= dstBufferSize) maxTestSize = dstBufferSize-1;
|
|
|
|
dictSize = FUZ_rLogLength(&lseed, dictLog); /* needed also for decompression */
|
|
dict = srcBuffer + (FUZ_rand(&lseed) % (srcBufferSize - dictSize));
|
|
|
|
DISPLAYLEVEL(6, "fuzzer t%u: Compressing up to <=%u bytes at level %i with dictionary size %u \n",
|
|
testNb, (unsigned)maxTestSize, cLevel, (unsigned)dictSize);
|
|
|
|
if (FUZ_rand(&lseed) & 0xF) {
|
|
CHECK_Z ( ZSTD_compressBegin_usingDict(refCtx, dict, dictSize, cLevel) );
|
|
} else {
|
|
ZSTD_compressionParameters const cPar = ZSTD_getCParams(cLevel, ZSTD_CONTENTSIZE_UNKNOWN, dictSize);
|
|
ZSTD_frameParameters const fPar = { FUZ_rand(&lseed)&1 /* contentSizeFlag */,
|
|
!(FUZ_rand(&lseed)&3) /* contentChecksumFlag*/,
|
|
0 /*NodictID*/ }; /* note : since dictionary is fake, dictIDflag has no impact */
|
|
ZSTD_parameters const p = FUZ_makeParams(cPar, fPar);
|
|
CHECK_Z ( ZSTD_compressBegin_advanced(refCtx, dict, dictSize, p, 0) );
|
|
}
|
|
CHECK_Z( ZSTD_copyCCtx(ctx, refCtx, 0) );
|
|
}
|
|
|
|
{ U32 const nbChunks = (FUZ_rand(&lseed) & 127) + 2;
|
|
U32 n;
|
|
XXH64_state_t xxhState;
|
|
XXH64_reset(&xxhState, 0);
|
|
for (totalTestSize=0, cSize=0, n=0 ; n<nbChunks ; n++) {
|
|
size_t const segmentSize = FUZ_randomLength(&lseed, maxSampleLog);
|
|
size_t const segmentStart = FUZ_rand(&lseed) % (srcBufferSize - segmentSize);
|
|
|
|
if (cBufferSize-cSize < ZSTD_compressBound(segmentSize)) break; /* avoid invalid dstBufferTooSmall */
|
|
if (totalTestSize+segmentSize > maxTestSize) break;
|
|
|
|
{ size_t const compressResult = ZSTD_compressContinue(ctx, cBuffer+cSize, cBufferSize-cSize, srcBuffer+segmentStart, segmentSize);
|
|
CHECK (ZSTD_isError(compressResult), "multi-segments compression error : %s", ZSTD_getErrorName(compressResult));
|
|
cSize += compressResult;
|
|
}
|
|
XXH64_update(&xxhState, srcBuffer+segmentStart, segmentSize);
|
|
memcpy(mirrorBuffer + totalTestSize, srcBuffer+segmentStart, segmentSize);
|
|
totalTestSize += segmentSize;
|
|
}
|
|
|
|
{ size_t const flushResult = ZSTD_compressEnd(ctx, cBuffer+cSize, cBufferSize-cSize, NULL, 0);
|
|
CHECK (ZSTD_isError(flushResult), "multi-segments epilogue error : %s", ZSTD_getErrorName(flushResult));
|
|
cSize += flushResult;
|
|
}
|
|
crcOrig = XXH64_digest(&xxhState);
|
|
}
|
|
|
|
/* streaming decompression test */
|
|
DISPLAYLEVEL(5, "fuzzer t%u: Bufferless streaming decompression test \n", testNb);
|
|
/* ensure memory requirement is good enough (should always be true) */
|
|
{ ZSTD_frameHeader zfh;
|
|
CHECK( ZSTD_getFrameHeader(&zfh, cBuffer, ZSTD_FRAMEHEADERSIZE_MAX),
|
|
"ZSTD_getFrameHeader(): error retrieving frame information");
|
|
{ size_t const roundBuffSize = ZSTD_decodingBufferSize_min(zfh.windowSize, zfh.frameContentSize);
|
|
CHECK_Z(roundBuffSize);
|
|
CHECK((roundBuffSize > totalTestSize) && (zfh.frameContentSize!=ZSTD_CONTENTSIZE_UNKNOWN),
|
|
"ZSTD_decodingBufferSize_min() requires more memory (%u) than necessary (%u)",
|
|
(unsigned)roundBuffSize, (unsigned)totalTestSize );
|
|
} }
|
|
if (dictSize<8) dictSize=0, dict=NULL; /* disable dictionary */
|
|
CHECK_Z( ZSTD_decompressBegin_usingDict(dctx, dict, dictSize) );
|
|
totalCSize = 0;
|
|
totalGenSize = 0;
|
|
while (totalCSize < cSize) {
|
|
size_t const inSize = ZSTD_nextSrcSizeToDecompress(dctx);
|
|
size_t const genSize = ZSTD_decompressContinue(dctx, dstBuffer+totalGenSize, dstBufferSize-totalGenSize, cBuffer+totalCSize, inSize);
|
|
CHECK (ZSTD_isError(genSize), "ZSTD_decompressContinue error : %s", ZSTD_getErrorName(genSize));
|
|
totalGenSize += genSize;
|
|
totalCSize += inSize;
|
|
}
|
|
CHECK (ZSTD_nextSrcSizeToDecompress(dctx) != 0, "frame not fully decoded");
|
|
CHECK (totalGenSize != totalTestSize, "streaming decompressed data : wrong size")
|
|
CHECK (totalCSize != cSize, "compressed data should be fully read")
|
|
{ U64 const crcDest = XXH64(dstBuffer, totalTestSize, 0);
|
|
CHECK(crcOrig != crcDest, "streaming decompressed data corrupted (pos %u / %u)",
|
|
(unsigned)findDiff(mirrorBuffer, dstBuffer, totalTestSize), (unsigned)totalTestSize);
|
|
}
|
|
} /* for ( ; (testNb <= nbTests) */
|
|
DISPLAY("\r%u fuzzer tests completed \n", testNb-1);
|
|
|
|
_cleanup:
|
|
ZSTD_freeCCtx(refCtx);
|
|
ZSTD_freeCCtx(ctx);
|
|
ZSTD_freeDCtx(dctx);
|
|
free(cNoiseBuffer[0]);
|
|
free(cNoiseBuffer[1]);
|
|
free(cNoiseBuffer[2]);
|
|
free(cNoiseBuffer[3]);
|
|
free(cNoiseBuffer[4]);
|
|
free(cBuffer);
|
|
free(dstBuffer);
|
|
free(mirrorBuffer);
|
|
return (int)result;
|
|
|
|
_output_error:
|
|
result = 1;
|
|
goto _cleanup;
|
|
}
|
|
|
|
|
|
/*_*******************************************************
|
|
* Command line
|
|
*********************************************************/
|
|
static int FUZ_usage(const char* programName)
|
|
{
|
|
DISPLAY( "Usage :\n");
|
|
DISPLAY( " %s [args]\n", programName);
|
|
DISPLAY( "\n");
|
|
DISPLAY( "Arguments :\n");
|
|
DISPLAY( " -i# : Number of tests (default:%i)\n", nbTestsDefault);
|
|
DISPLAY( " -T# : Max duration to run for. Overrides number of tests. (e.g. -T1m or -T60s for one minute)\n");
|
|
DISPLAY( " -s# : Select seed (default:prompt user)\n");
|
|
DISPLAY( " -t# : Select starting test number (default:0)\n");
|
|
DISPLAY( " -P# : Select compressibility in %% (default:%i%%)\n", FUZ_compressibility_default);
|
|
DISPLAY( " -v : verbose\n");
|
|
DISPLAY( " -p : pause at the end\n");
|
|
DISPLAY( " -h : display help and exit\n");
|
|
return 0;
|
|
}
|
|
|
|
/*! readU32FromChar() :
|
|
@return : unsigned integer value read from input in `char` format
|
|
allows and interprets K, KB, KiB, M, MB and MiB suffix.
|
|
Will also modify `*stringPtr`, advancing it to position where it stopped reading.
|
|
Note : function result can overflow if digit string > MAX_UINT */
|
|
static unsigned readU32FromChar(const char** stringPtr)
|
|
{
|
|
unsigned result = 0;
|
|
while ((**stringPtr >='0') && (**stringPtr <='9'))
|
|
result *= 10, result += (unsigned)(**stringPtr - '0'), (*stringPtr)++ ;
|
|
if ((**stringPtr=='K') || (**stringPtr=='M')) {
|
|
result <<= 10;
|
|
if (**stringPtr=='M') result <<= 10;
|
|
(*stringPtr)++ ;
|
|
if (**stringPtr=='i') (*stringPtr)++;
|
|
if (**stringPtr=='B') (*stringPtr)++;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
/** longCommandWArg() :
|
|
* check if *stringPtr is the same as longCommand.
|
|
* If yes, @return 1 and advances *stringPtr to the position which immediately follows longCommand.
|
|
* @return 0 and doesn't modify *stringPtr otherwise.
|
|
*/
|
|
static int longCommandWArg(const char** stringPtr, const char* longCommand)
|
|
{
|
|
size_t const comSize = strlen(longCommand);
|
|
int const result = !strncmp(*stringPtr, longCommand, comSize);
|
|
if (result) *stringPtr += comSize;
|
|
return result;
|
|
}
|
|
|
|
int main(int argc, const char** argv)
|
|
{
|
|
U32 seed = 0;
|
|
int seedset = 0;
|
|
int argNb;
|
|
int nbTests = nbTestsDefault;
|
|
int testNb = 0;
|
|
int proba = FUZ_compressibility_default;
|
|
double probfloat;
|
|
int result = 0;
|
|
U32 mainPause = 0;
|
|
U32 maxDuration = 0;
|
|
int bigTests = 1;
|
|
int longTests = 0;
|
|
U32 memTestsOnly = 0;
|
|
const char* const programName = argv[0];
|
|
|
|
/* Check command line */
|
|
for (argNb=1; argNb<argc; argNb++) {
|
|
const char* argument = argv[argNb];
|
|
if(!argument) continue; /* Protection if argument empty */
|
|
|
|
/* Handle commands. Aggregated commands are allowed */
|
|
if (argument[0]=='-') {
|
|
|
|
if (longCommandWArg(&argument, "--memtest=")) { memTestsOnly = readU32FromChar(&argument); continue; }
|
|
|
|
if (!strcmp(argument, "--memtest")) { memTestsOnly=1; continue; }
|
|
if (!strcmp(argument, "--no-big-tests")) { bigTests=0; continue; }
|
|
if (!strcmp(argument, "--long-tests")) { longTests=1; continue; }
|
|
if (!strcmp(argument, "--no-long-tests")) { longTests=0; continue; }
|
|
|
|
argument++;
|
|
while (*argument!=0) {
|
|
switch(*argument)
|
|
{
|
|
case 'h':
|
|
return FUZ_usage(programName);
|
|
|
|
case 'v':
|
|
argument++;
|
|
g_displayLevel++;
|
|
break;
|
|
|
|
case 'q':
|
|
argument++;
|
|
g_displayLevel--;
|
|
break;
|
|
|
|
case 'p': /* pause at the end */
|
|
argument++;
|
|
mainPause = 1;
|
|
break;
|
|
|
|
case 'i':
|
|
argument++; maxDuration = 0;
|
|
nbTests = (int)readU32FromChar(&argument);
|
|
break;
|
|
|
|
case 'T':
|
|
argument++;
|
|
nbTests = 0;
|
|
maxDuration = readU32FromChar(&argument);
|
|
if (*argument=='s') argument++; /* seconds */
|
|
if (*argument=='m') maxDuration *= 60, argument++; /* minutes */
|
|
if (*argument=='n') argument++;
|
|
break;
|
|
|
|
case 's':
|
|
argument++;
|
|
seedset = 1;
|
|
seed = readU32FromChar(&argument);
|
|
break;
|
|
|
|
case 't':
|
|
argument++;
|
|
testNb = (int)readU32FromChar(&argument);
|
|
break;
|
|
|
|
case 'P': /* compressibility % */
|
|
argument++;
|
|
proba = (int)readU32FromChar(&argument);
|
|
if (proba>100) proba = 100;
|
|
break;
|
|
|
|
default:
|
|
return (FUZ_usage(programName), 1);
|
|
} } } } /* for (argNb=1; argNb<argc; argNb++) */
|
|
|
|
/* Get Seed */
|
|
DISPLAY("Starting zstd tester (%i-bits, %s)\n", (int)(sizeof(size_t)*8), ZSTD_VERSION_STRING);
|
|
|
|
if (!seedset) {
|
|
time_t const t = time(NULL);
|
|
U32 const h = XXH32(&t, sizeof(t), 1);
|
|
seed = h % 10000;
|
|
}
|
|
|
|
DISPLAY("Seed = %u\n", (unsigned)seed);
|
|
if (proba!=FUZ_compressibility_default) DISPLAY("Compressibility : %i%%\n", proba);
|
|
|
|
probfloat = ((double)proba) / 100;
|
|
|
|
if (memTestsOnly) {
|
|
g_displayLevel = MAX(3, g_displayLevel);
|
|
return FUZ_mallocTests(seed, probfloat, memTestsOnly);
|
|
}
|
|
|
|
if (nbTests < testNb) nbTests = testNb;
|
|
|
|
if (testNb==0) {
|
|
result = basicUnitTests(0, probfloat); /* constant seed for predictability */
|
|
|
|
if (!result && longTests) {
|
|
result = longUnitTests(0, probfloat);
|
|
}
|
|
}
|
|
if (!result)
|
|
result = fuzzerTests(seed, (unsigned)nbTests, (unsigned)testNb, maxDuration, ((double)proba) / 100, bigTests);
|
|
if (mainPause) {
|
|
int unused;
|
|
DISPLAY("Press Enter \n");
|
|
unused = getchar();
|
|
(void)unused;
|
|
}
|
|
return result;
|
|
}
|