923 lines
29 KiB
JavaScript
923 lines
29 KiB
JavaScript
// 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 reader.
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*
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* There are two particular magic numbers that need to be pointed out -
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* 2^64-1025 is the largest number representable as both a double and an
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* unsigned 64-bit integer, and 2^63-513 is the largest number representable as
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* both a double and a signed 64-bit integer.
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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.testing.asserts');
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goog.require('jspb.BinaryConstants');
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goog.require('jspb.BinaryDecoder');
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goog.require('jspb.BinaryReader');
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goog.require('jspb.BinaryWriter');
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describe('binaryReaderTest', function() {
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/**
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* Tests the reader instance cache.
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*/
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it('testInstanceCaches', /** @suppress {visibility} */ function() {
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var writer = new jspb.BinaryWriter();
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var dummyMessage = /** @type {!jspb.BinaryMessage} */({});
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writer.writeMessage(1, dummyMessage, goog.nullFunction);
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writer.writeMessage(2, dummyMessage, goog.nullFunction);
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var buffer = writer.getResultBuffer();
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// Empty the instance caches.
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jspb.BinaryReader.instanceCache_ = [];
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// Allocating and then freeing three decoders should leave us with three in
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// the cache.
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var decoder1 = jspb.BinaryDecoder.alloc();
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var decoder2 = jspb.BinaryDecoder.alloc();
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var decoder3 = jspb.BinaryDecoder.alloc();
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decoder1.free();
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decoder2.free();
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decoder3.free();
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assertEquals(3, jspb.BinaryDecoder.instanceCache_.length);
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assertEquals(0, jspb.BinaryReader.instanceCache_.length);
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// Allocating and then freeing a reader should remove one decoder from its
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// cache, but it should stay stuck to the reader afterwards since we can't
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// have a reader without a decoder.
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jspb.BinaryReader.alloc().free();
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assertEquals(2, jspb.BinaryDecoder.instanceCache_.length);
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assertEquals(1, jspb.BinaryReader.instanceCache_.length);
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// Allocating a reader should remove a reader from the cache.
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var reader = jspb.BinaryReader.alloc(buffer);
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assertEquals(2, jspb.BinaryDecoder.instanceCache_.length);
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assertEquals(0, jspb.BinaryReader.instanceCache_.length);
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// Processing the message reuses the current reader.
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reader.nextField();
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assertEquals(1, reader.getFieldNumber());
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reader.readMessage(dummyMessage, function() {
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assertEquals(0, jspb.BinaryReader.instanceCache_.length);
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});
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reader.nextField();
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assertEquals(2, reader.getFieldNumber());
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reader.readMessage(dummyMessage, function() {
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assertEquals(0, jspb.BinaryReader.instanceCache_.length);
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});
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assertEquals(false, reader.nextField());
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assertEquals(2, jspb.BinaryDecoder.instanceCache_.length);
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assertEquals(0, jspb.BinaryReader.instanceCache_.length);
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// Freeing the reader should put it back into the cache.
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reader.free();
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assertEquals(2, jspb.BinaryDecoder.instanceCache_.length);
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assertEquals(1, jspb.BinaryReader.instanceCache_.length);
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});
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/**
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* @param {number} x
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* @return {number}
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*/
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function truncate(x) {
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var temp = new Float32Array(1);
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temp[0] = x;
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return temp[0];
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}
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/**
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* Verifies that misuse of the reader class triggers assertions.
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*/
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it('testReadErrors', /** @suppress {checkTypes|visibility} */ function() {
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// Calling readMessage on a non-delimited field should trigger an
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// assertion.
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var reader = jspb.BinaryReader.alloc([8, 1]);
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var dummyMessage = /** @type {!jspb.BinaryMessage} */({});
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reader.nextField();
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assertThrows(function() {
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reader.readMessage(dummyMessage, goog.nullFunction);
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});
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// Reading past the end of the stream should trigger an assertion.
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reader = jspb.BinaryReader.alloc([9, 1]);
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reader.nextField();
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assertThrows(function() {reader.readFixed64()});
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// Reading past the end of a submessage should trigger an assertion.
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reader = jspb.BinaryReader.alloc([10, 4, 13, 1, 1, 1]);
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reader.nextField();
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reader.readMessage(dummyMessage, function() {
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reader.nextField();
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assertThrows(function() {reader.readFixed32()});
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});
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// Skipping an invalid field should trigger an assertion.
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reader = jspb.BinaryReader.alloc([12, 1]);
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reader.nextWireType_ = 1000;
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assertThrows(function() {reader.skipField()});
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// Reading fields with the wrong wire type should assert.
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reader = jspb.BinaryReader.alloc([9, 0, 0, 0, 0, 0, 0, 0, 0]);
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reader.nextField();
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assertThrows(function() {reader.readInt32()});
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assertThrows(function() {reader.readInt32String()});
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assertThrows(function() {reader.readInt64()});
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assertThrows(function() {reader.readInt64String()});
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assertThrows(function() {reader.readUint32()});
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assertThrows(function() {reader.readUint32String()});
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assertThrows(function() {reader.readUint64()});
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assertThrows(function() {reader.readUint64String()});
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assertThrows(function() {reader.readSint32()});
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assertThrows(function() {reader.readBool()});
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assertThrows(function() {reader.readEnum()});
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reader = jspb.BinaryReader.alloc([8, 1]);
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reader.nextField();
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assertThrows(function() {reader.readFixed32()});
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assertThrows(function() {reader.readFixed64()});
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assertThrows(function() {reader.readSfixed32()});
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assertThrows(function() {reader.readSfixed64()});
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assertThrows(function() {reader.readFloat()});
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assertThrows(function() {reader.readDouble()});
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assertThrows(function() {reader.readString()});
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assertThrows(function() {reader.readBytes()});
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});
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/**
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* Tests encoding and decoding of unsigned field types.
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* @param {Function} readField
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* @param {Function} writeField
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* @param {number} epsilon
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* @param {number} upperLimit
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* @param {Function} filter
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* @private
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* @suppress {missingProperties}
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*/
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var doTestUnsignedField_ = function(readField,
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writeField, epsilon, upperLimit, filter) {
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assertNotNull(readField);
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assertNotNull(writeField);
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var writer = new jspb.BinaryWriter();
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// Encode zero and limits.
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writeField.call(writer, 1, filter(0));
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writeField.call(writer, 2, filter(epsilon));
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writeField.call(writer, 3, filter(upperLimit));
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// Encode positive values.
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for (var cursor = epsilon; cursor < upperLimit; cursor *= 1.1) {
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writeField.call(writer, 4, filter(cursor));
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}
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var reader = jspb.BinaryReader.alloc(writer.getResultBuffer());
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// Check zero and limits.
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reader.nextField();
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assertEquals(1, reader.getFieldNumber());
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assertEquals(filter(0), readField.call(reader));
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reader.nextField();
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assertEquals(2, reader.getFieldNumber());
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assertEquals(filter(epsilon), readField.call(reader));
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reader.nextField();
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assertEquals(3, reader.getFieldNumber());
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assertEquals(filter(upperLimit), readField.call(reader));
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// Check positive values.
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for (var cursor = epsilon; cursor < upperLimit; cursor *= 1.1) {
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reader.nextField();
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if (4 != reader.getFieldNumber()) throw 'fail!';
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if (filter(cursor) != readField.call(reader)) throw 'fail!';
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}
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};
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/**
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* Tests encoding and decoding of signed field types.
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* @param {Function} readField
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* @param {Function} writeField
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* @param {number} epsilon
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* @param {number} lowerLimit
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* @param {number} upperLimit
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* @param {Function} filter
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* @private
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* @suppress {missingProperties}
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*/
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var doTestSignedField_ = function(readField,
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writeField, epsilon, lowerLimit, upperLimit, filter) {
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var writer = new jspb.BinaryWriter();
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// Encode zero and limits.
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writeField.call(writer, 1, filter(lowerLimit));
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writeField.call(writer, 2, filter(-epsilon));
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writeField.call(writer, 3, filter(0));
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writeField.call(writer, 4, filter(epsilon));
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writeField.call(writer, 5, filter(upperLimit));
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var inputValues = [];
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// Encode negative values.
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for (var cursor = lowerLimit; cursor < -epsilon; cursor /= 1.1) {
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var val = filter(cursor);
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writeField.call(writer, 6, val);
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inputValues.push({
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fieldNumber: 6,
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value: val
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});
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}
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// Encode positive values.
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for (var cursor = epsilon; cursor < upperLimit; cursor *= 1.1) {
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var val = filter(cursor);
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writeField.call(writer, 7, val);
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inputValues.push({
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fieldNumber: 7,
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value: val
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});
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}
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var reader = jspb.BinaryReader.alloc(writer.getResultBuffer());
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// Check zero and limits.
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reader.nextField();
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assertEquals(1, reader.getFieldNumber());
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assertEquals(filter(lowerLimit), readField.call(reader));
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reader.nextField();
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assertEquals(2, reader.getFieldNumber());
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assertEquals(filter(-epsilon), readField.call(reader));
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reader.nextField();
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assertEquals(3, reader.getFieldNumber());
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assertEquals(filter(0), readField.call(reader));
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reader.nextField();
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assertEquals(4, reader.getFieldNumber());
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assertEquals(filter(epsilon), readField.call(reader));
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reader.nextField();
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assertEquals(5, reader.getFieldNumber());
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assertEquals(filter(upperLimit), readField.call(reader));
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for (var i = 0; i < inputValues.length; i++) {
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var expected = inputValues[i];
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reader.nextField();
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assertEquals(expected.fieldNumber, reader.getFieldNumber());
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assertEquals(expected.value, readField.call(reader));
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}
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};
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/**
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* Tests fields that use varint encoding.
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*/
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it('testVarintFields', function() {
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assertNotUndefined(jspb.BinaryReader.prototype.readUint32);
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assertNotUndefined(jspb.BinaryWriter.prototype.writeUint32);
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assertNotUndefined(jspb.BinaryReader.prototype.readUint64);
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assertNotUndefined(jspb.BinaryWriter.prototype.writeUint64);
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assertNotUndefined(jspb.BinaryReader.prototype.readBool);
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assertNotUndefined(jspb.BinaryWriter.prototype.writeBool);
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doTestUnsignedField_(
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jspb.BinaryReader.prototype.readUint32,
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jspb.BinaryWriter.prototype.writeUint32,
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1, Math.pow(2, 32) - 1, Math.round);
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doTestUnsignedField_(
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jspb.BinaryReader.prototype.readUint64,
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jspb.BinaryWriter.prototype.writeUint64,
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1, Math.pow(2, 64) - 1025, Math.round);
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doTestSignedField_(
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jspb.BinaryReader.prototype.readInt32,
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jspb.BinaryWriter.prototype.writeInt32,
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1, -Math.pow(2, 31), Math.pow(2, 31) - 1, Math.round);
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doTestSignedField_(
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jspb.BinaryReader.prototype.readInt64,
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jspb.BinaryWriter.prototype.writeInt64,
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1, -Math.pow(2, 63), Math.pow(2, 63) - 513, Math.round);
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doTestSignedField_(
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jspb.BinaryReader.prototype.readEnum,
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jspb.BinaryWriter.prototype.writeEnum,
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1, -Math.pow(2, 31), Math.pow(2, 31) - 1, Math.round);
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doTestUnsignedField_(
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jspb.BinaryReader.prototype.readBool,
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jspb.BinaryWriter.prototype.writeBool,
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1, 1, function(x) { return !!x; });
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});
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/**
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* Tests reading a field from hexadecimal string (format: '08 BE EF').
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* @param {Function} readField
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* @param {number} expected
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* @param {string} hexString
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*/
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function doTestHexStringVarint_(readField, expected, hexString) {
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var bytesCount = (hexString.length + 1) / 3;
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var bytes = new Uint8Array(bytesCount);
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for (var i = 0; i < bytesCount; i++) {
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bytes[i] = parseInt(hexString.substring(i * 3, i * 3 + 2), 16);
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}
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var reader = jspb.BinaryReader.alloc(bytes);
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reader.nextField();
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assertEquals(expected, readField.call(reader));
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}
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/**
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* Tests non-canonical redundant varint decoding.
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*/
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it('testRedundantVarintFields', function() {
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assertNotNull(jspb.BinaryReader.prototype.readUint32);
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assertNotNull(jspb.BinaryReader.prototype.readUint64);
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assertNotNull(jspb.BinaryReader.prototype.readSint32);
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assertNotNull(jspb.BinaryReader.prototype.readSint64);
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// uint32 and sint32 take no more than 5 bytes
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// 08 - field prefix (type = 0 means varint)
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doTestHexStringVarint_(
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jspb.BinaryReader.prototype.readUint32,
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12, '08 8C 80 80 80 00');
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// 11 stands for -6 in zigzag encoding
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doTestHexStringVarint_(
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jspb.BinaryReader.prototype.readSint32,
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-6, '08 8B 80 80 80 00');
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// uint64 and sint64 take no more than 10 bytes
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// 08 - field prefix (type = 0 means varint)
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doTestHexStringVarint_(
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jspb.BinaryReader.prototype.readUint64,
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12, '08 8C 80 80 80 80 80 80 80 80 00');
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// 11 stands for -6 in zigzag encoding
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doTestHexStringVarint_(
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jspb.BinaryReader.prototype.readSint64,
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-6, '08 8B 80 80 80 80 80 80 80 80 00');
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});
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/**
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* Tests 64-bit fields that are handled as strings.
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*/
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it('testStringInt64Fields', function() {
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var writer = new jspb.BinaryWriter();
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var testSignedData = [
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'2730538252207801776',
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'-2688470994844604560',
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'3398529779486536359',
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'3568577411627971000',
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'272477188847484900',
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'-6649058714086158188',
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'-7695254765712060806',
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'-4525541438037104029',
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'-4993706538836508568',
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'4990160321893729138'
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];
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var testUnsignedData = [
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'7822732630241694882',
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'6753602971916687352',
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'2399935075244442116',
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'8724292567325338867',
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'16948784802625696584',
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'4136275908516066934',
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'3575388346793700364',
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'5167142028379259461',
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'1557573948689737699',
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'17100725280812548567'
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];
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for (var i = 0; i < testSignedData.length; i++) {
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writer.writeInt64String(2 * i + 1, testSignedData[i]);
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writer.writeUint64String(2 * i + 2, testUnsignedData[i]);
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}
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var reader = jspb.BinaryReader.alloc(writer.getResultBuffer());
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for (var i = 0; i < testSignedData.length; i++) {
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reader.nextField();
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assertEquals(2 * i + 1, reader.getFieldNumber());
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assertEquals(testSignedData[i], reader.readInt64String());
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reader.nextField();
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assertEquals(2 * i + 2, reader.getFieldNumber());
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assertEquals(testUnsignedData[i], reader.readUint64String());
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}
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});
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/**
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* Tests fields that use zigzag encoding.
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*/
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it('testZigzagFields', function() {
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doTestSignedField_(
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jspb.BinaryReader.prototype.readSint32,
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jspb.BinaryWriter.prototype.writeSint32,
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1, -Math.pow(2, 31), Math.pow(2, 31) - 1, Math.round);
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doTestSignedField_(
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jspb.BinaryReader.prototype.readSint64,
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jspb.BinaryWriter.prototype.writeSint64,
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1, -Math.pow(2, 63), Math.pow(2, 63) - 513, Math.round);
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});
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/**
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* Tests fields that use fixed-length encoding.
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*/
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it('testFixedFields', function() {
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doTestUnsignedField_(
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jspb.BinaryReader.prototype.readFixed32,
|
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jspb.BinaryWriter.prototype.writeFixed32,
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1, Math.pow(2, 32) - 1, Math.round);
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|
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doTestUnsignedField_(
|
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jspb.BinaryReader.prototype.readFixed64,
|
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jspb.BinaryWriter.prototype.writeFixed64,
|
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1, Math.pow(2, 64) - 1025, Math.round);
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|
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doTestSignedField_(
|
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jspb.BinaryReader.prototype.readSfixed32,
|
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jspb.BinaryWriter.prototype.writeSfixed32,
|
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1, -Math.pow(2, 31), Math.pow(2, 31) - 1, Math.round);
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|
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doTestSignedField_(
|
|
jspb.BinaryReader.prototype.readSfixed64,
|
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jspb.BinaryWriter.prototype.writeSfixed64,
|
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1, -Math.pow(2, 63), Math.pow(2, 63) - 513, Math.round);
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});
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/**
|
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* 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());
|
|
});
|
|
});
|