413 lines
13 KiB
JavaScript
413 lines
13 KiB
JavaScript
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// Protocol Buffers - Google's data interchange format
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// Copyright 2008 Google Inc. All rights reserved.
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// https://developers.google.com/protocol-buffers/
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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/**
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* @fileoverview Test cases for jspb's binary protocol buffer writer. In
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* practice BinaryWriter is used to drive the Decoder and Reader test cases,
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* so only writer-specific tests are here.
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*
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* Test suite is written using Jasmine -- see http://jasmine.github.io/
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*
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* @author aappleby@google.com (Austin Appleby)
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*/
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goog.require('goog.crypt');
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goog.require('goog.testing.asserts');
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goog.require('jspb.BinaryConstants');
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goog.require('jspb.BinaryReader');
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goog.require('jspb.BinaryWriter');
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goog.require('jspb.utils');
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goog.require('goog.crypt.base64');
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goog.requireType('jspb.BinaryMessage');
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/**
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* @param {function()} func This function should throw an error when run.
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*/
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function assertFails(func) {
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assertThrows(func);
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}
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describe('binaryWriterTest', function() {
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/**
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* Verifies that misuse of the writer class triggers assertions.
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*/
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it('testWriteErrors', function() {
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// Submessages with invalid field indices should assert.
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var writer = new jspb.BinaryWriter();
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var dummyMessage = /** @type {!jspb.BinaryMessage} */ ({});
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assertFails(function() {
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writer.writeMessage(-1, dummyMessage, goog.nullFunction);
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});
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// Writing invalid field indices should assert.
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writer = new jspb.BinaryWriter();
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assertFails(function() {
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writer.writeUint64(-1, 1);
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});
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// Writing out-of-range field values should assert.
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writer = new jspb.BinaryWriter();
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assertFails(function() {
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writer.writeInt32(1, -Infinity);
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});
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assertFails(function() {
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writer.writeInt32(1, Infinity);
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});
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assertFails(function() {
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writer.writeInt64(1, -Infinity);
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});
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assertFails(function() {
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writer.writeInt64(1, Infinity);
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});
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assertFails(function() {
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writer.writeUint32(1, -1);
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});
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assertFails(function() {
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writer.writeUint32(1, Infinity);
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});
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assertFails(function() {
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writer.writeUint64(1, -1);
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});
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assertFails(function() {
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writer.writeUint64(1, Infinity);
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});
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assertFails(function() {
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writer.writeSint32(1, -Infinity);
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});
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assertFails(function() {
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writer.writeSint32(1, Infinity);
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});
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assertFails(function() {
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writer.writeSint64(1, -Infinity);
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});
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assertFails(function() {
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writer.writeSint64(1, Infinity);
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});
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assertFails(function() {
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writer.writeFixed32(1, -1);
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});
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assertFails(function() {
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writer.writeFixed32(1, Infinity);
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});
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assertFails(function() {
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writer.writeFixed64(1, -1);
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});
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assertFails(function() {
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writer.writeFixed64(1, Infinity);
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});
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assertFails(function() {
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writer.writeSfixed32(1, -Infinity);
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});
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assertFails(function() {
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writer.writeSfixed32(1, Infinity);
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});
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assertFails(function() {
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writer.writeSfixed64(1, -Infinity);
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});
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assertFails(function() {
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writer.writeSfixed64(1, Infinity);
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});
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});
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/**
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* Basic test of retrieving the result as a Uint8Array buffer
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*/
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it('testGetResultBuffer', function() {
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var expected = '0864120b48656c6c6f20776f726c641a0301020320c801';
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var writer = new jspb.BinaryWriter();
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writer.writeUint32(1, 100);
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writer.writeString(2, 'Hello world');
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writer.writeBytes(3, new Uint8Array([1, 2, 3]));
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writer.writeUint32(4, 200);
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var buffer = writer.getResultBuffer();
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assertEquals(expected, goog.crypt.byteArrayToHex(buffer));
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});
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/**
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* Tests websafe encodings for base64 strings.
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*/
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it('testWebSafeOption', function() {
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var writer = new jspb.BinaryWriter();
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writer.writeBytes(1, new Uint8Array([127]));
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assertEquals('CgF/', writer.getResultBase64String());
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assertEquals(
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'CgF/',
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writer.getResultBase64String(goog.crypt.base64.Alphabet.DEFAULT));
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assertEquals(
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'CgF_',
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writer.getResultBase64String(
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goog.crypt.base64.Alphabet.WEBSAFE_NO_PADDING));
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});
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it('writes split 64 fields', function() {
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var writer = new jspb.BinaryWriter();
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writer.writeSplitVarint64(1, 0x1, 0x2);
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writer.writeSplitVarint64(1, 0xFFFFFFFF, 0xFFFFFFFF);
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writer.writeSplitFixed64(2, 0x1, 0x2);
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writer.writeSplitFixed64(2, 0xFFFFFFF0, 0xFFFFFFFF);
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function lo(i) {
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return i + 1;
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}
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function hi(i) {
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return i + 2;
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}
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writer.writeRepeatedSplitVarint64(3, [0, 1, 2], lo, hi);
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writer.writeRepeatedSplitFixed64(4, [0, 1, 2], lo, hi);
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writer.writePackedSplitVarint64(5, [0, 1, 2], lo, hi);
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writer.writePackedSplitFixed64(6, [0, 1, 2], lo, hi);
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function bitsAsArray(lowBits, highBits) {
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return [lowBits >>> 0, highBits >>> 0];
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}
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var reader = jspb.BinaryReader.alloc(writer.getResultBuffer());
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reader.nextField();
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expect(reader.getFieldNumber()).toEqual(1);
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expect(reader.readSplitVarint64(bitsAsArray)).toEqual([0x1, 0x2]);
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reader.nextField();
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expect(reader.getFieldNumber()).toEqual(1);
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expect(reader.readSplitVarint64(bitsAsArray)).toEqual([
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0xFFFFFFFF, 0xFFFFFFFF
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]);
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reader.nextField();
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expect(reader.getFieldNumber()).toEqual(2);
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expect(reader.readSplitFixed64(bitsAsArray)).toEqual([0x1, 0x2]);
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reader.nextField();
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expect(reader.getFieldNumber()).toEqual(2);
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expect(reader.readSplitFixed64(bitsAsArray)).toEqual([
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0xFFFFFFF0, 0xFFFFFFFF
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]);
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for (let i = 0; i < 3; i++) {
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reader.nextField();
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expect(reader.getFieldNumber()).toEqual(3);
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expect(reader.readSplitVarint64(bitsAsArray)).toEqual([i + 1, i + 2]);
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}
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for (let i = 0; i < 3; i++) {
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reader.nextField();
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expect(reader.getFieldNumber()).toEqual(4);
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expect(reader.readSplitFixed64(bitsAsArray)).toEqual([i + 1, i + 2]);
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}
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reader.nextField();
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expect(reader.getFieldNumber()).toEqual(5);
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expect(reader.readPackedInt64String()).toEqual([
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String(2 * 2 ** 32 + 1),
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String(3 * 2 ** 32 + 2),
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String(4 * 2 ** 32 + 3),
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]);
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reader.nextField();
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expect(reader.getFieldNumber()).toEqual(6);
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expect(reader.readPackedFixed64String()).toEqual([
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String(2 * 2 ** 32 + 1),
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String(3 * 2 ** 32 + 2),
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String(4 * 2 ** 32 + 3),
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]);
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});
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it('writes zigzag 64 fields', function() {
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// Test cases directly from the protobuf dev guide.
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// https://engdoc.corp.google.com/eng/howto/protocolbuffers/developerguide/encoding.shtml?cl=head#types
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var testCases = [
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{original: '0', zigzag: '0'},
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{original: '-1', zigzag: '1'},
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{original: '1', zigzag: '2'},
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{original: '-2', zigzag: '3'},
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{original: '2147483647', zigzag: '4294967294'},
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{original: '-2147483648', zigzag: '4294967295'},
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// 64-bit extremes, not in dev guide.
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{original: '9223372036854775807', zigzag: '18446744073709551614'},
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{original: '-9223372036854775808', zigzag: '18446744073709551615'},
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];
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function decimalToLowBits(v) {
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jspb.utils.splitDecimalString(v);
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return jspb.utils.split64Low >>> 0;
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}
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function decimalToHighBits(v) {
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jspb.utils.splitDecimalString(v);
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return jspb.utils.split64High >>> 0;
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}
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var writer = new jspb.BinaryWriter();
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testCases.forEach(function(c) {
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writer.writeSint64String(1, c.original);
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writer.writeSintHash64(1, jspb.utils.decimalStringToHash64(c.original));
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jspb.utils.splitDecimalString(c.original);
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writer.writeSplitZigzagVarint64(
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1, jspb.utils.split64Low, jspb.utils.split64High);
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});
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writer.writeRepeatedSint64String(2, testCases.map(function(c) {
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return c.original;
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}));
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writer.writeRepeatedSintHash64(3, testCases.map(function(c) {
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return jspb.utils.decimalStringToHash64(c.original);
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}));
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writer.writeRepeatedSplitZigzagVarint64(
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4, testCases.map(function(c) {
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return c.original;
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}),
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decimalToLowBits, decimalToHighBits);
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writer.writePackedSint64String(5, testCases.map(function(c) {
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return c.original;
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}));
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writer.writePackedSintHash64(6, testCases.map(function(c) {
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return jspb.utils.decimalStringToHash64(c.original);
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}));
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writer.writePackedSplitZigzagVarint64(
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7, testCases.map(function(c) {
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return c.original;
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}),
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decimalToLowBits, decimalToHighBits);
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// Verify by reading the stream as normal int64 fields and checking with
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// the canonical zigzag encoding of each value.
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var reader = jspb.BinaryReader.alloc(writer.getResultBuffer());
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testCases.forEach(function(c) {
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reader.nextField();
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expect(reader.getFieldNumber()).toEqual(1);
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expect(reader.readUint64String()).toEqual(c.zigzag);
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reader.nextField();
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expect(reader.getFieldNumber()).toEqual(1);
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expect(reader.readUint64String()).toEqual(c.zigzag);
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reader.nextField();
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expect(reader.getFieldNumber()).toEqual(1);
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expect(reader.readUint64String()).toEqual(c.zigzag);
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});
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testCases.forEach(function(c) {
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reader.nextField();
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expect(reader.getFieldNumber()).toEqual(2);
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expect(reader.readUint64String()).toEqual(c.zigzag);
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});
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testCases.forEach(function(c) {
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reader.nextField();
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expect(reader.getFieldNumber()).toEqual(3);
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expect(reader.readUint64String()).toEqual(c.zigzag);
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});
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testCases.forEach(function(c) {
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reader.nextField();
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expect(reader.getFieldNumber()).toEqual(4);
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expect(reader.readUint64String()).toEqual(c.zigzag);
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});
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reader.nextField();
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expect(reader.getFieldNumber()).toEqual(5);
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expect(reader.readPackedUint64String()).toEqual(testCases.map(function(c) {
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return c.zigzag;
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}));
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reader.nextField();
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expect(reader.getFieldNumber()).toEqual(6);
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expect(reader.readPackedUint64String()).toEqual(testCases.map(function(c) {
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return c.zigzag;
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}));
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reader.nextField();
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expect(reader.getFieldNumber()).toEqual(7);
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expect(reader.readPackedUint64String()).toEqual(testCases.map(function(c) {
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return c.zigzag;
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}));
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});
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it('writes float32 fields', function() {
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var testCases = [
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0, 1, -1, jspb.BinaryConstants.FLOAT32_MIN,
|
||
|
|
-jspb.BinaryConstants.FLOAT32_MIN, jspb.BinaryConstants.FLOAT32_MAX,
|
||
|
|
-jspb.BinaryConstants.FLOAT32_MAX, 3.1415927410125732, Infinity,
|
||
|
|
-Infinity, NaN
|
||
|
|
];
|
||
|
|
var writer = new jspb.BinaryWriter();
|
||
|
|
testCases.forEach(function(f) {
|
||
|
|
writer.writeFloat(1, f);
|
||
|
|
});
|
||
|
|
var reader = jspb.BinaryReader.alloc(writer.getResultBuffer());
|
||
|
|
testCases.forEach(function(f) {
|
||
|
|
reader.nextField();
|
||
|
|
expect(reader.getFieldNumber()).toEqual(1);
|
||
|
|
if (isNaN(f)) {
|
||
|
|
expect(isNaN(reader.readFloat())).toEqual(true);
|
||
|
|
} else {
|
||
|
|
expect(reader.readFloat()).toEqual(f);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
});
|
||
|
|
|
||
|
|
it('writes double fields', function() {
|
||
|
|
var testCases = [
|
||
|
|
0, 1, -1, Number.MAX_SAFE_INTEGER, Number.MIN_SAFE_INTEGER,
|
||
|
|
Number.MAX_VALUE, Number.MIN_VALUE, jspb.BinaryConstants.FLOAT32_MIN,
|
||
|
|
-jspb.BinaryConstants.FLOAT32_MIN, jspb.BinaryConstants.FLOAT32_MAX,
|
||
|
|
-jspb.BinaryConstants.FLOAT32_MAX, Math.PI, Infinity, -Infinity, NaN
|
||
|
|
];
|
||
|
|
var writer = new jspb.BinaryWriter();
|
||
|
|
testCases.forEach(function(f) {
|
||
|
|
writer.writeDouble(1, f);
|
||
|
|
});
|
||
|
|
var reader = jspb.BinaryReader.alloc(writer.getResultBuffer());
|
||
|
|
testCases.forEach(function(f) {
|
||
|
|
reader.nextField();
|
||
|
|
expect(reader.getFieldNumber()).toEqual(1);
|
||
|
|
if (isNaN(f)) {
|
||
|
|
expect(isNaN(reader.readDouble())).toEqual(true);
|
||
|
|
} else {
|
||
|
|
expect(reader.readDouble()).toEqual(f);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
});
|
||
|
|
});
|