156 lines
4.3 KiB
C++
156 lines
4.3 KiB
C++
// Tencent is pleased to support the open source community by making RapidJSON available.
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//
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// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip.
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//
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// Licensed under the MIT License (the "License"); you may not use this file except
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// in compliance with the License. You may obtain a copy of the License at
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//
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// http://opensource.org/licenses/MIT
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//
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// Unless required by applicable law or agreed to in writing, software distributed
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// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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// CONDITIONS OF ANY KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations under the License.
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#include "unittest.h"
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#include "rapidjson/filereadstream.h"
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#include "rapidjson/filewritestream.h"
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#include "rapidjson/encodedstream.h"
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using namespace rapidjson;
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class FileStreamTest : public ::testing::Test {
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public:
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FileStreamTest() : filename_(), json_(), length_(), abcde_() {}
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virtual ~FileStreamTest();
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virtual void SetUp() {
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const char *paths[] = {
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"data/sample.json",
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"bin/data/sample.json",
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"../bin/data/sample.json",
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"../../bin/data/sample.json",
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"../../../bin/data/sample.json"
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};
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FILE* fp = 0;
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for (size_t i = 0; i < sizeof(paths) / sizeof(paths[0]); i++) {
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fp = fopen(paths[i], "rb");
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if (fp) {
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filename_ = paths[i];
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break;
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}
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}
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ASSERT_TRUE(fp != 0);
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fseek(fp, 0, SEEK_END);
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length_ = static_cast<size_t>(ftell(fp));
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fseek(fp, 0, SEEK_SET);
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json_ = static_cast<char*>(malloc(length_ + 1));
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size_t readLength = fread(json_, 1, length_, fp);
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json_[readLength] = '\0';
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fclose(fp);
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const char *abcde_paths[] = {
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"data/abcde.txt",
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"bin/data/abcde.txt",
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"../bin/data/abcde.txt",
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"../../bin/data/abcde.txt",
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"../../../bin/data/abcde.txt"
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};
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fp = 0;
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for (size_t i = 0; i < sizeof(abcde_paths) / sizeof(abcde_paths[0]); i++) {
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fp = fopen(abcde_paths[i], "rb");
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if (fp) {
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abcde_ = abcde_paths[i];
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break;
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}
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}
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ASSERT_TRUE(fp != 0);
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fclose(fp);
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}
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virtual void TearDown() {
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free(json_);
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json_ = 0;
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}
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private:
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FileStreamTest(const FileStreamTest&);
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FileStreamTest& operator=(const FileStreamTest&);
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protected:
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const char* filename_;
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char *json_;
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size_t length_;
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const char* abcde_;
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};
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FileStreamTest::~FileStreamTest() {}
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TEST_F(FileStreamTest, FileReadStream) {
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FILE *fp = fopen(filename_, "rb");
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ASSERT_TRUE(fp != 0);
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char buffer[65536];
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FileReadStream s(fp, buffer, sizeof(buffer));
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for (size_t i = 0; i < length_; i++) {
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EXPECT_EQ(json_[i], s.Peek());
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EXPECT_EQ(json_[i], s.Peek()); // 2nd time should be the same
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EXPECT_EQ(json_[i], s.Take());
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}
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EXPECT_EQ(length_, s.Tell());
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EXPECT_EQ('\0', s.Peek());
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fclose(fp);
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}
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TEST_F(FileStreamTest, FileReadStream_Peek4) {
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FILE *fp = fopen(abcde_, "rb");
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ASSERT_TRUE(fp != 0);
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char buffer[4];
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FileReadStream s(fp, buffer, sizeof(buffer));
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const char* c = s.Peek4();
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for (int i = 0; i < 4; i++)
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EXPECT_EQ('a' + i, c[i]);
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EXPECT_EQ(0u, s.Tell());
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for (int i = 0; i < 5; i++) {
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EXPECT_EQ(static_cast<size_t>(i), s.Tell());
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EXPECT_EQ('a' + i, s.Peek());
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EXPECT_EQ('a' + i, s.Peek());
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EXPECT_EQ('a' + i, s.Take());
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}
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EXPECT_EQ(5u, s.Tell());
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EXPECT_EQ(0, s.Peek());
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EXPECT_EQ(0, s.Take());
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fclose(fp);
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}
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TEST_F(FileStreamTest, FileWriteStream) {
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char filename[L_tmpnam];
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FILE* fp = TempFile(filename);
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char buffer[65536];
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FileWriteStream os(fp, buffer, sizeof(buffer));
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for (size_t i = 0; i < length_; i++)
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os.Put(json_[i]);
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os.Flush();
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fclose(fp);
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// Read it back to verify
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fp = fopen(filename, "rb");
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FileReadStream is(fp, buffer, sizeof(buffer));
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for (size_t i = 0; i < length_; i++)
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EXPECT_EQ(json_[i], is.Take());
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EXPECT_EQ(length_, is.Tell());
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fclose(fp);
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//std::cout << filename << std::endl;
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remove(filename);
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}
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