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1// Protocol Buffers - Google's data interchange format
2// Copyright 2008 Google Inc.  All rights reserved.
3// https://developers.google.com/protocol-buffers/
4//
5// Redistribution and use in source and binary forms, with or without
6// modification, are permitted provided that the following conditions are
7// met:
8//
9//     * Redistributions of source code must retain the above copyright
10// notice, this list of conditions and the following disclaimer.
11//     * Redistributions in binary form must reproduce the above
12// copyright notice, this list of conditions and the following disclaimer
13// in the documentation and/or other materials provided with the
14// distribution.
15//     * Neither the name of Google Inc. nor the names of its
16// contributors may be used to endorse or promote products derived from
17// this software without specific prior written permission.
18//
19// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
23// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
25// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30
31/**
32 * @fileoverview Test cases for jspb's binary protocol buffer writer. In
33 * practice BinaryWriter is used to drive the Decoder and Reader test cases,
34 * so only writer-specific tests are here.
35 *
36 * Test suite is written using Jasmine -- see http://jasmine.github.io/
37 *
38 * @author aappleby@google.com (Austin Appleby)
39 */
40
41goog.require('goog.crypt');
42goog.require('goog.testing.asserts');
43goog.require('jspb.BinaryWriter');
44
45
46/**
47 * @param {function()} func This function should throw an error when run.
48 */
49function assertFails(func) {
50  assertThrows(func);
51}
52
53
54describe('binaryWriterTest', function() {
55  /**
56   * Verifies that misuse of the writer class triggers assertions.
57   */
58  it('testWriteErrors', function() {
59    // Submessages with invalid field indices should assert.
60    var writer = new jspb.BinaryWriter();
61    var dummyMessage = /** @type {!jspb.BinaryMessage} */({});
62
63    assertFails(function() {
64      writer.writeMessage(-1, dummyMessage, goog.nullFunction);
65    });
66
67    // Writing invalid field indices should assert.
68    writer = new jspb.BinaryWriter();
69    assertFails(function() {writer.writeUint64(-1, 1);});
70
71    // Writing out-of-range field values should assert.
72    writer = new jspb.BinaryWriter();
73
74    assertFails(function() {writer.writeInt32(1, -Infinity);});
75    assertFails(function() {writer.writeInt32(1, Infinity);});
76
77    assertFails(function() {writer.writeInt64(1, -Infinity);});
78    assertFails(function() {writer.writeInt64(1, Infinity);});
79
80    assertFails(function() {writer.writeUint32(1, -1);});
81    assertFails(function() {writer.writeUint32(1, Infinity);});
82
83    assertFails(function() {writer.writeUint64(1, -1);});
84    assertFails(function() {writer.writeUint64(1, Infinity);});
85
86    assertFails(function() {writer.writeSint32(1, -Infinity);});
87    assertFails(function() {writer.writeSint32(1, Infinity);});
88
89    assertFails(function() {writer.writeSint64(1, -Infinity);});
90    assertFails(function() {writer.writeSint64(1, Infinity);});
91
92    assertFails(function() {writer.writeFixed32(1, -1);});
93    assertFails(function() {writer.writeFixed32(1, Infinity);});
94
95    assertFails(function() {writer.writeFixed64(1, -1);});
96    assertFails(function() {writer.writeFixed64(1, Infinity);});
97
98    assertFails(function() {writer.writeSfixed32(1, -Infinity);});
99    assertFails(function() {writer.writeSfixed32(1, Infinity);});
100
101    assertFails(function() {writer.writeSfixed64(1, -Infinity);});
102    assertFails(function() {writer.writeSfixed64(1, Infinity);});
103  });
104
105
106  /**
107   * Basic test of retrieving the result as a Uint8Array buffer
108   */
109  it('testGetResultBuffer', function() {
110    var expected = '0864120b48656c6c6f20776f726c641a0301020320c801';
111
112    var writer = new jspb.BinaryWriter();
113    writer.writeUint32(1, 100);
114    writer.writeString(2, 'Hello world');
115    writer.writeBytes(3, new Uint8Array([1, 2, 3]));
116    writer.writeUint32(4, 200);
117
118    var buffer = writer.getResultBuffer();
119    assertEquals(expected, goog.crypt.byteArrayToHex(buffer));
120  });
121
122
123  /**
124   * Tests websafe encodings for base64 strings.
125   */
126  it('testWebSafeOption', function() {
127    var writer = new jspb.BinaryWriter();
128    writer.writeBytes(1, new Uint8Array([127]));
129    assertEquals('CgF/', writer.getResultBase64String());
130    assertEquals('CgF/', writer.getResultBase64String(false));
131    assertEquals('CgF_', writer.getResultBase64String(true));
132  });
133});
134