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Diffstat (limited to 'js/compatibility_tests/v3.1.0/binary/reader_test.js')
-rw-r--r-- | js/compatibility_tests/v3.1.0/binary/reader_test.js | 922 |
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diff --git a/js/compatibility_tests/v3.1.0/binary/reader_test.js b/js/compatibility_tests/v3.1.0/binary/reader_test.js deleted file mode 100644 index 95711385..00000000 --- a/js/compatibility_tests/v3.1.0/binary/reader_test.js +++ /dev/null @@ -1,922 +0,0 @@ -// Protocol Buffers - Google's data interchange format -// Copyright 2008 Google Inc. All rights reserved. -// https://developers.google.com/protocol-buffers/ -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -/** - * @fileoverview Test cases for jspb's binary protocol buffer reader. - * - * There are two particular magic numbers that need to be pointed out - - * 2^64-1025 is the largest number representable as both a double and an - * unsigned 64-bit integer, and 2^63-513 is the largest number representable as - * both a double and a signed 64-bit integer. - * - * Test suite is written using Jasmine -- see http://jasmine.github.io/ - * - * @author aappleby@google.com (Austin Appleby) - */ - -goog.require('goog.testing.asserts'); -goog.require('jspb.BinaryConstants'); -goog.require('jspb.BinaryDecoder'); -goog.require('jspb.BinaryReader'); -goog.require('jspb.BinaryWriter'); - - - -describe('binaryReaderTest', function() { - /** - * Tests the reader instance cache. - */ - it('testInstanceCaches', /** @suppress {visibility} */ function() { - var writer = new jspb.BinaryWriter(); - var dummyMessage = /** @type {!jspb.BinaryMessage} */({}); - writer.writeMessage(1, dummyMessage, goog.nullFunction); - writer.writeMessage(2, dummyMessage, goog.nullFunction); - - var buffer = writer.getResultBuffer(); - - // Empty the instance caches. - jspb.BinaryReader.instanceCache_ = []; - - // Allocating and then freeing three decoders should leave us with three in - // the cache. - - var decoder1 = jspb.BinaryDecoder.alloc(); - var decoder2 = jspb.BinaryDecoder.alloc(); - var decoder3 = jspb.BinaryDecoder.alloc(); - decoder1.free(); - decoder2.free(); - decoder3.free(); - - assertEquals(3, jspb.BinaryDecoder.instanceCache_.length); - assertEquals(0, jspb.BinaryReader.instanceCache_.length); - - // Allocating and then freeing a reader should remove one decoder from its - // cache, but it should stay stuck to the reader afterwards since we can't - // have a reader without a decoder. - jspb.BinaryReader.alloc().free(); - - assertEquals(2, jspb.BinaryDecoder.instanceCache_.length); - assertEquals(1, jspb.BinaryReader.instanceCache_.length); - - // Allocating a reader should remove a reader from the cache. - var reader = jspb.BinaryReader.alloc(buffer); - - assertEquals(2, jspb.BinaryDecoder.instanceCache_.length); - assertEquals(0, jspb.BinaryReader.instanceCache_.length); - - // Processing the message reuses the current reader. - reader.nextField(); - assertEquals(1, reader.getFieldNumber()); - reader.readMessage(dummyMessage, function() { - assertEquals(0, jspb.BinaryReader.instanceCache_.length); - }); - - reader.nextField(); - assertEquals(2, reader.getFieldNumber()); - reader.readMessage(dummyMessage, function() { - assertEquals(0, jspb.BinaryReader.instanceCache_.length); - }); - - assertEquals(false, reader.nextField()); - - assertEquals(2, jspb.BinaryDecoder.instanceCache_.length); - assertEquals(0, jspb.BinaryReader.instanceCache_.length); - - // Freeing the reader should put it back into the cache. - reader.free(); - - assertEquals(2, jspb.BinaryDecoder.instanceCache_.length); - assertEquals(1, jspb.BinaryReader.instanceCache_.length); - }); - - - /** - * @param {number} x - * @return {number} - */ - function truncate(x) { - var temp = new Float32Array(1); - temp[0] = x; - return temp[0]; - } - - - /** - * Verifies that misuse of the reader class triggers assertions. - */ - it('testReadErrors', /** @suppress {checkTypes|visibility} */ function() { - // Calling readMessage on a non-delimited field should trigger an - // assertion. - var reader = jspb.BinaryReader.alloc([8, 1]); - var dummyMessage = /** @type {!jspb.BinaryMessage} */({}); - reader.nextField(); - assertThrows(function() { - reader.readMessage(dummyMessage, goog.nullFunction); - }); - - // Reading past the end of the stream should trigger an assertion. - reader = jspb.BinaryReader.alloc([9, 1]); - reader.nextField(); - assertThrows(function() {reader.readFixed64()}); - - // Reading past the end of a submessage should trigger an assertion. - reader = jspb.BinaryReader.alloc([10, 4, 13, 1, 1, 1]); - reader.nextField(); - reader.readMessage(dummyMessage, function() { - reader.nextField(); - assertThrows(function() {reader.readFixed32()}); - }); - - // Skipping an invalid field should trigger an assertion. - reader = jspb.BinaryReader.alloc([12, 1]); - reader.nextWireType_ = 1000; - assertThrows(function() {reader.skipField()}); - - // Reading fields with the wrong wire type should assert. - reader = jspb.BinaryReader.alloc([9, 0, 0, 0, 0, 0, 0, 0, 0]); - reader.nextField(); - assertThrows(function() {reader.readInt32()}); - assertThrows(function() {reader.readInt32String()}); - assertThrows(function() {reader.readInt64()}); - assertThrows(function() {reader.readInt64String()}); - assertThrows(function() {reader.readUint32()}); - assertThrows(function() {reader.readUint32String()}); - assertThrows(function() {reader.readUint64()}); - assertThrows(function() {reader.readUint64String()}); - assertThrows(function() {reader.readSint32()}); - assertThrows(function() {reader.readBool()}); - assertThrows(function() {reader.readEnum()}); - - reader = jspb.BinaryReader.alloc([8, 1]); - reader.nextField(); - assertThrows(function() {reader.readFixed32()}); - assertThrows(function() {reader.readFixed64()}); - assertThrows(function() {reader.readSfixed32()}); - assertThrows(function() {reader.readSfixed64()}); - assertThrows(function() {reader.readFloat()}); - assertThrows(function() {reader.readDouble()}); - - assertThrows(function() {reader.readString()}); - assertThrows(function() {reader.readBytes()}); - }); - - - /** - * Tests encoding and decoding of unsigned field types. - * @param {Function} readField - * @param {Function} writeField - * @param {number} epsilon - * @param {number} upperLimit - * @param {Function} filter - * @private - * @suppress {missingProperties} - */ - var doTestUnsignedField_ = function(readField, - writeField, epsilon, upperLimit, filter) { - assertNotNull(readField); - assertNotNull(writeField); - - var writer = new jspb.BinaryWriter(); - - // Encode zero and limits. - writeField.call(writer, 1, filter(0)); - writeField.call(writer, 2, filter(epsilon)); - writeField.call(writer, 3, filter(upperLimit)); - - // Encode positive values. - for (var cursor = epsilon; cursor < upperLimit; cursor *= 1.1) { - writeField.call(writer, 4, filter(cursor)); - } - - var reader = jspb.BinaryReader.alloc(writer.getResultBuffer()); - - // Check zero and limits. - reader.nextField(); - assertEquals(1, reader.getFieldNumber()); - assertEquals(filter(0), readField.call(reader)); - - reader.nextField(); - assertEquals(2, reader.getFieldNumber()); - assertEquals(filter(epsilon), readField.call(reader)); - - reader.nextField(); - assertEquals(3, reader.getFieldNumber()); - assertEquals(filter(upperLimit), readField.call(reader)); - - // Check positive values. - for (var cursor = epsilon; cursor < upperLimit; cursor *= 1.1) { - reader.nextField(); - if (4 != reader.getFieldNumber()) throw 'fail!'; - if (filter(cursor) != readField.call(reader)) throw 'fail!'; - } - }; - - - /** - * Tests encoding and decoding of signed field types. - * @param {Function} readField - * @param {Function} writeField - * @param {number} epsilon - * @param {number} lowerLimit - * @param {number} upperLimit - * @param {Function} filter - * @private - * @suppress {missingProperties} - */ - var doTestSignedField_ = function(readField, - writeField, epsilon, lowerLimit, upperLimit, filter) { - var writer = new jspb.BinaryWriter(); - - // Encode zero and limits. - writeField.call(writer, 1, filter(lowerLimit)); - writeField.call(writer, 2, filter(-epsilon)); - writeField.call(writer, 3, filter(0)); - writeField.call(writer, 4, filter(epsilon)); - writeField.call(writer, 5, filter(upperLimit)); - - var inputValues = []; - - // Encode negative values. - for (var cursor = lowerLimit; cursor < -epsilon; cursor /= 1.1) { - var val = filter(cursor); - writeField.call(writer, 6, val); - inputValues.push({ - fieldNumber: 6, - value: val - }); - } - - // Encode positive values. - for (var cursor = epsilon; cursor < upperLimit; cursor *= 1.1) { - var val = filter(cursor); - writeField.call(writer, 7, val); - inputValues.push({ - fieldNumber: 7, - value: val - }); - } - - var reader = jspb.BinaryReader.alloc(writer.getResultBuffer()); - - // Check zero and limits. - reader.nextField(); - assertEquals(1, reader.getFieldNumber()); - assertEquals(filter(lowerLimit), readField.call(reader)); - - reader.nextField(); - assertEquals(2, reader.getFieldNumber()); - assertEquals(filter(-epsilon), readField.call(reader)); - - reader.nextField(); - assertEquals(3, reader.getFieldNumber()); - assertEquals(filter(0), readField.call(reader)); - - reader.nextField(); - assertEquals(4, reader.getFieldNumber()); - assertEquals(filter(epsilon), readField.call(reader)); - - reader.nextField(); - assertEquals(5, reader.getFieldNumber()); - assertEquals(filter(upperLimit), readField.call(reader)); - - for (var i = 0; i < inputValues.length; i++) { - var expected = inputValues[i]; - reader.nextField(); - assertEquals(expected.fieldNumber, reader.getFieldNumber()); - assertEquals(expected.value, readField.call(reader)); - } - }; - - - /** - * Tests fields that use varint encoding. - */ - it('testVarintFields', function() { - assertNotUndefined(jspb.BinaryReader.prototype.readUint32); - assertNotUndefined(jspb.BinaryWriter.prototype.writeUint32); - assertNotUndefined(jspb.BinaryReader.prototype.readUint64); - assertNotUndefined(jspb.BinaryWriter.prototype.writeUint64); - assertNotUndefined(jspb.BinaryReader.prototype.readBool); - assertNotUndefined(jspb.BinaryWriter.prototype.writeBool); - doTestUnsignedField_( - jspb.BinaryReader.prototype.readUint32, - jspb.BinaryWriter.prototype.writeUint32, - 1, Math.pow(2, 32) - 1, Math.round); - - doTestUnsignedField_( - jspb.BinaryReader.prototype.readUint64, - jspb.BinaryWriter.prototype.writeUint64, - 1, Math.pow(2, 64) - 1025, Math.round); - - doTestSignedField_( - jspb.BinaryReader.prototype.readInt32, - jspb.BinaryWriter.prototype.writeInt32, - 1, -Math.pow(2, 31), Math.pow(2, 31) - 1, Math.round); - - doTestSignedField_( - jspb.BinaryReader.prototype.readInt64, - jspb.BinaryWriter.prototype.writeInt64, - 1, -Math.pow(2, 63), Math.pow(2, 63) - 513, Math.round); - - doTestSignedField_( - jspb.BinaryReader.prototype.readEnum, - jspb.BinaryWriter.prototype.writeEnum, - 1, -Math.pow(2, 31), Math.pow(2, 31) - 1, Math.round); - - doTestUnsignedField_( - jspb.BinaryReader.prototype.readBool, - jspb.BinaryWriter.prototype.writeBool, - 1, 1, function(x) { return !!x; }); - }); - - - /** - * Tests reading a field from hexadecimal string (format: '08 BE EF'). - * @param {Function} readField - * @param {number} expected - * @param {string} hexString - */ - function doTestHexStringVarint_(readField, expected, hexString) { - var bytesCount = (hexString.length + 1) / 3; - var bytes = new Uint8Array(bytesCount); - for (var i = 0; i < bytesCount; i++) { - bytes[i] = parseInt(hexString.substring(i * 3, i * 3 + 2), 16); - } - var reader = jspb.BinaryReader.alloc(bytes); - reader.nextField(); - assertEquals(expected, readField.call(reader)); - } - - - /** - * Tests non-canonical redundant varint decoding. - */ - it('testRedundantVarintFields', function() { - assertNotNull(jspb.BinaryReader.prototype.readUint32); - assertNotNull(jspb.BinaryReader.prototype.readUint64); - assertNotNull(jspb.BinaryReader.prototype.readSint32); - assertNotNull(jspb.BinaryReader.prototype.readSint64); - - // uint32 and sint32 take no more than 5 bytes - // 08 - field prefix (type = 0 means varint) - doTestHexStringVarint_( - jspb.BinaryReader.prototype.readUint32, - 12, '08 8C 80 80 80 00'); - - // 11 stands for -6 in zigzag encoding - doTestHexStringVarint_( - jspb.BinaryReader.prototype.readSint32, - -6, '08 8B 80 80 80 00'); - - // uint64 and sint64 take no more than 10 bytes - // 08 - field prefix (type = 0 means varint) - doTestHexStringVarint_( - jspb.BinaryReader.prototype.readUint64, - 12, '08 8C 80 80 80 80 80 80 80 80 00'); - - // 11 stands for -6 in zigzag encoding - doTestHexStringVarint_( - jspb.BinaryReader.prototype.readSint64, - -6, '08 8B 80 80 80 80 80 80 80 80 00'); - }); - - - /** - * Tests 64-bit fields that are handled as strings. - */ - it('testStringInt64Fields', function() { - var writer = new jspb.BinaryWriter(); - - var testSignedData = [ - '2730538252207801776', - '-2688470994844604560', - '3398529779486536359', - '3568577411627971000', - '272477188847484900', - '-6649058714086158188', - '-7695254765712060806', - '-4525541438037104029', - '-4993706538836508568', - '4990160321893729138' - ]; - var testUnsignedData = [ - '7822732630241694882', - '6753602971916687352', - '2399935075244442116', - '8724292567325338867', - '16948784802625696584', - '4136275908516066934', - '3575388346793700364', - '5167142028379259461', - '1557573948689737699', - '17100725280812548567' - ]; - - for (var i = 0; i < testSignedData.length; i++) { - writer.writeInt64String(2 * i + 1, testSignedData[i]); - writer.writeUint64String(2 * i + 2, testUnsignedData[i]); - } - - var reader = jspb.BinaryReader.alloc(writer.getResultBuffer()); - - for (var i = 0; i < testSignedData.length; i++) { - reader.nextField(); - assertEquals(2 * i + 1, reader.getFieldNumber()); - assertEquals(testSignedData[i], reader.readInt64String()); - reader.nextField(); - assertEquals(2 * i + 2, reader.getFieldNumber()); - assertEquals(testUnsignedData[i], reader.readUint64String()); - } - }); - - - /** - * Tests fields that use zigzag encoding. - */ - it('testZigzagFields', function() { - doTestSignedField_( - jspb.BinaryReader.prototype.readSint32, - jspb.BinaryWriter.prototype.writeSint32, - 1, -Math.pow(2, 31), Math.pow(2, 31) - 1, Math.round); - - doTestSignedField_( - jspb.BinaryReader.prototype.readSint64, - jspb.BinaryWriter.prototype.writeSint64, - 1, -Math.pow(2, 63), Math.pow(2, 63) - 513, Math.round); - }); - - - /** - * Tests fields that use fixed-length encoding. - */ - it('testFixedFields', function() { - doTestUnsignedField_( - jspb.BinaryReader.prototype.readFixed32, - jspb.BinaryWriter.prototype.writeFixed32, - 1, Math.pow(2, 32) - 1, Math.round); - - doTestUnsignedField_( - jspb.BinaryReader.prototype.readFixed64, - jspb.BinaryWriter.prototype.writeFixed64, - 1, Math.pow(2, 64) - 1025, Math.round); - - doTestSignedField_( - jspb.BinaryReader.prototype.readSfixed32, - jspb.BinaryWriter.prototype.writeSfixed32, - 1, -Math.pow(2, 31), Math.pow(2, 31) - 1, Math.round); - - doTestSignedField_( - jspb.BinaryReader.prototype.readSfixed64, - jspb.BinaryWriter.prototype.writeSfixed64, - 1, -Math.pow(2, 63), Math.pow(2, 63) - 513, Math.round); - }); - - - /** - * Tests floating point fields. - */ - it('testFloatFields', function() { - doTestSignedField_( - jspb.BinaryReader.prototype.readFloat, - jspb.BinaryWriter.prototype.writeFloat, - jspb.BinaryConstants.FLOAT32_MIN, - -jspb.BinaryConstants.FLOAT32_MAX, - jspb.BinaryConstants.FLOAT32_MAX, - truncate); - - doTestSignedField_( - jspb.BinaryReader.prototype.readDouble, - jspb.BinaryWriter.prototype.writeDouble, - jspb.BinaryConstants.FLOAT64_EPS * 10, - -jspb.BinaryConstants.FLOAT64_MIN, - jspb.BinaryConstants.FLOAT64_MIN, - function(x) { return x; }); - }); - - - /** - * Tests length-delimited string fields. - */ - it('testStringFields', function() { - var s1 = 'The quick brown fox jumps over the lazy dog.'; - var s2 = '人人生而自由,在尊嚴和權利上一律平等。'; - - var writer = new jspb.BinaryWriter(); - - writer.writeString(1, s1); - writer.writeString(2, s2); - - var reader = jspb.BinaryReader.alloc(writer.getResultBuffer()); - - reader.nextField(); - assertEquals(1, reader.getFieldNumber()); - assertEquals(s1, reader.readString()); - - reader.nextField(); - assertEquals(2, reader.getFieldNumber()); - assertEquals(s2, reader.readString()); - }); - - - /** - * Tests length-delimited byte fields. - */ - it('testByteFields', function() { - var message = []; - var lowerLimit = 1; - var upperLimit = 256; - var scale = 1.1; - - var writer = new jspb.BinaryWriter(); - - for (var cursor = lowerLimit; cursor < upperLimit; cursor *= 1.1) { - var len = Math.round(cursor); - var bytes = []; - for (var i = 0; i < len; i++) bytes.push(i % 256); - - writer.writeBytes(len, bytes); - } - - var reader = jspb.BinaryReader.alloc(writer.getResultBuffer()); - - for (var cursor = lowerLimit; reader.nextField(); cursor *= 1.1) { - var len = Math.round(cursor); - if (len != reader.getFieldNumber()) throw 'fail!'; - - var bytes = reader.readBytes(); - if (len != bytes.length) throw 'fail!'; - for (var i = 0; i < bytes.length; i++) { - if (i % 256 != bytes[i]) throw 'fail!'; - } - } - }); - - - /** - * Tests nested messages. - */ - it('testNesting', function() { - var writer = new jspb.BinaryWriter(); - var dummyMessage = /** @type {!jspb.BinaryMessage} */({}); - - writer.writeInt32(1, 100); - - // Add one message with 3 int fields. - writer.writeMessage(2, dummyMessage, function() { - writer.writeInt32(3, 300); - writer.writeInt32(4, 400); - writer.writeInt32(5, 500); - }); - - // Add one empty message. - writer.writeMessage(6, dummyMessage, goog.nullFunction); - - writer.writeInt32(7, 700); - - var reader = jspb.BinaryReader.alloc(writer.getResultBuffer()); - - // Validate outermost message. - - reader.nextField(); - assertEquals(1, reader.getFieldNumber()); - assertEquals(100, reader.readInt32()); - - reader.nextField(); - assertEquals(2, reader.getFieldNumber()); - reader.readMessage(dummyMessage, function() { - // Validate embedded message 1. - reader.nextField(); - assertEquals(3, reader.getFieldNumber()); - assertEquals(300, reader.readInt32()); - - reader.nextField(); - assertEquals(4, reader.getFieldNumber()); - assertEquals(400, reader.readInt32()); - - reader.nextField(); - assertEquals(5, reader.getFieldNumber()); - assertEquals(500, reader.readInt32()); - - assertEquals(false, reader.nextField()); - }); - - reader.nextField(); - assertEquals(6, reader.getFieldNumber()); - reader.readMessage(dummyMessage, function() { - // Validate embedded message 2. - - assertEquals(false, reader.nextField()); - }); - - reader.nextField(); - assertEquals(7, reader.getFieldNumber()); - assertEquals(700, reader.readInt32()); - - assertEquals(false, reader.nextField()); - }); - - /** - * Tests skipping fields of each type by interleaving them with sentinel - * values and skipping everything that's not a sentinel. - */ - it('testSkipField', function() { - var writer = new jspb.BinaryWriter(); - - var sentinel = 123456789; - - // Write varint fields of different sizes. - writer.writeInt32(1, sentinel); - writer.writeInt32(1, 1); - writer.writeInt32(1, 1000); - writer.writeInt32(1, 1000000); - writer.writeInt32(1, 1000000000); - - // Write fixed 64-bit encoded fields. - writer.writeInt32(2, sentinel); - writer.writeDouble(2, 1); - writer.writeFixed64(2, 1); - writer.writeSfixed64(2, 1); - - // Write fixed 32-bit encoded fields. - writer.writeInt32(3, sentinel); - writer.writeFloat(3, 1); - writer.writeFixed32(3, 1); - writer.writeSfixed32(3, 1); - - // Write delimited fields. - writer.writeInt32(4, sentinel); - writer.writeBytes(4, [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]); - writer.writeString(4, 'The quick brown fox jumps over the lazy dog'); - - // Write a group with a nested group inside. - writer.writeInt32(5, sentinel); - var dummyMessage = /** @type {!jspb.BinaryMessage} */({}); - writer.writeGroup(5, dummyMessage, function() { - writer.writeInt64(42, 42); - writer.writeGroup(6, dummyMessage, function() { - writer.writeInt64(84, 42); - }); - }); - - // Write final sentinel. - writer.writeInt32(6, sentinel); - - var reader = jspb.BinaryReader.alloc(writer.getResultBuffer()); - - function skip(field, count) { - for (var i = 0; i < count; i++) { - reader.nextField(); - if (field != reader.getFieldNumber()) throw 'fail!'; - reader.skipField(); - } - } - - reader.nextField(); - assertEquals(1, reader.getFieldNumber()); - assertEquals(sentinel, reader.readInt32()); - skip(1, 4); - - reader.nextField(); - assertEquals(2, reader.getFieldNumber()); - assertEquals(sentinel, reader.readInt32()); - skip(2, 3); - - reader.nextField(); - assertEquals(3, reader.getFieldNumber()); - assertEquals(sentinel, reader.readInt32()); - skip(3, 3); - - reader.nextField(); - assertEquals(4, reader.getFieldNumber()); - assertEquals(sentinel, reader.readInt32()); - skip(4, 2); - - reader.nextField(); - assertEquals(5, reader.getFieldNumber()); - assertEquals(sentinel, reader.readInt32()); - skip(5, 1); - - reader.nextField(); - assertEquals(6, reader.getFieldNumber()); - assertEquals(sentinel, reader.readInt32()); - }); - - - /** - * Tests packed fields. - */ - it('testPackedFields', function() { - var writer = new jspb.BinaryWriter(); - - var sentinel = 123456789; - - var unsignedData = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]; - var signedData = [-1, 2, -3, 4, -5, 6, -7, 8, -9, 10]; - var floatData = [1.1, 2.2, 3.3, 4.4, 5.5, 6.6, 7.7, 8.8, 9.9, 10.10]; - var doubleData = [1.1, 2.2, 3.3, 4.4, 5.5, 6.6, 7.7, 8.8, 9.9, 10.10]; - var boolData = [true, false, true, true, false, false, true, false]; - - for (var i = 0; i < floatData.length; i++) { - floatData[i] = truncate(floatData[i]); - } - - writer.writeInt32(1, sentinel); - - writer.writePackedInt32(2, signedData); - writer.writePackedInt64(2, signedData); - writer.writePackedUint32(2, unsignedData); - writer.writePackedUint64(2, unsignedData); - writer.writePackedSint32(2, signedData); - writer.writePackedSint64(2, signedData); - writer.writePackedFixed32(2, unsignedData); - writer.writePackedFixed64(2, unsignedData); - writer.writePackedSfixed32(2, signedData); - writer.writePackedSfixed64(2, signedData); - writer.writePackedFloat(2, floatData); - writer.writePackedDouble(2, doubleData); - writer.writePackedBool(2, boolData); - writer.writePackedEnum(2, unsignedData); - - writer.writeInt32(3, sentinel); - - var reader = jspb.BinaryReader.alloc(writer.getResultBuffer()); - - reader.nextField(); - assertEquals(sentinel, reader.readInt32()); - - reader.nextField(); - assertElementsEquals(reader.readPackedInt32(), signedData); - - reader.nextField(); - assertElementsEquals(reader.readPackedInt64(), signedData); - - reader.nextField(); - assertElementsEquals(reader.readPackedUint32(), unsignedData); - - reader.nextField(); - assertElementsEquals(reader.readPackedUint64(), unsignedData); - - reader.nextField(); - assertElementsEquals(reader.readPackedSint32(), signedData); - - reader.nextField(); - assertElementsEquals(reader.readPackedSint64(), signedData); - - reader.nextField(); - assertElementsEquals(reader.readPackedFixed32(), unsignedData); - - reader.nextField(); - assertElementsEquals(reader.readPackedFixed64(), unsignedData); - - reader.nextField(); - assertElementsEquals(reader.readPackedSfixed32(), signedData); - - reader.nextField(); - assertElementsEquals(reader.readPackedSfixed64(), signedData); - - reader.nextField(); - assertElementsEquals(reader.readPackedFloat(), floatData); - - reader.nextField(); - assertElementsEquals(reader.readPackedDouble(), doubleData); - - reader.nextField(); - assertElementsEquals(reader.readPackedBool(), boolData); - - reader.nextField(); - assertElementsEquals(reader.readPackedEnum(), unsignedData); - - reader.nextField(); - assertEquals(sentinel, reader.readInt32()); - }); - - - /** - * Byte blobs inside nested messages should always have their byte offset set - * relative to the start of the outermost blob, not the start of their parent - * blob. - */ - it('testNestedBlobs', function() { - // Create a proto consisting of two nested messages, with the inner one - // containing a blob of bytes. - - var fieldTag = (1 << 3) | jspb.BinaryConstants.WireType.DELIMITED; - var blob = [1, 2, 3, 4, 5]; - var writer = new jspb.BinaryWriter(); - var dummyMessage = /** @type {!jspb.BinaryMessage} */({}); - - writer.writeMessage(1, dummyMessage, function() { - writer.writeMessage(1, dummyMessage, function() { - writer.writeBytes(1, blob); - }); - }); - - // Peel off the outer two message layers. Each layer should have two bytes - // of overhead, one for the field tag and one for the length of the inner - // blob. - - var decoder1 = new jspb.BinaryDecoder(writer.getResultBuffer()); - assertEquals(fieldTag, decoder1.readUnsignedVarint32()); - assertEquals(blob.length + 4, decoder1.readUnsignedVarint32()); - - var decoder2 = new jspb.BinaryDecoder(decoder1.readBytes(blob.length + 4)); - assertEquals(fieldTag, decoder2.readUnsignedVarint32()); - assertEquals(blob.length + 2, decoder2.readUnsignedVarint32()); - - assertEquals(fieldTag, decoder2.readUnsignedVarint32()); - assertEquals(blob.length, decoder2.readUnsignedVarint32()); - var bytes = decoder2.readBytes(blob.length); - - assertElementsEquals(bytes, blob); - }); - - - /** - * Tests read callbacks. - */ - it('testReadCallbacks', function() { - var writer = new jspb.BinaryWriter(); - var dummyMessage = /** @type {!jspb.BinaryMessage} */({}); - - // Add an int, a submessage, and another int. - writer.writeInt32(1, 100); - - writer.writeMessage(2, dummyMessage, function() { - writer.writeInt32(3, 300); - writer.writeInt32(4, 400); - writer.writeInt32(5, 500); - }); - - writer.writeInt32(7, 700); - - // Create the reader and register a custom read callback. - var reader = jspb.BinaryReader.alloc(writer.getResultBuffer()); - - /** - * @param {!jspb.BinaryReader} reader - * @return {*} - */ - function readCallback(reader) { - reader.nextField(); - assertEquals(3, reader.getFieldNumber()); - assertEquals(300, reader.readInt32()); - - reader.nextField(); - assertEquals(4, reader.getFieldNumber()); - assertEquals(400, reader.readInt32()); - - reader.nextField(); - assertEquals(5, reader.getFieldNumber()); - assertEquals(500, reader.readInt32()); - - assertEquals(false, reader.nextField()); - }; - - reader.registerReadCallback('readCallback', readCallback); - - // Read the container message. - reader.nextField(); - assertEquals(1, reader.getFieldNumber()); - assertEquals(100, reader.readInt32()); - - reader.nextField(); - assertEquals(2, reader.getFieldNumber()); - reader.readMessage(dummyMessage, function() { - // Decode the embedded message using the registered callback. - reader.runReadCallback('readCallback'); - }); - - reader.nextField(); - assertEquals(7, reader.getFieldNumber()); - assertEquals(700, reader.readInt32()); - - assertEquals(false, reader.nextField()); - }); -}); |