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Issue 2102133002: Add constructors for WebAudio nodes (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Rebase and prefix use counter names with WebAudio Created 4 years, 3 months ago
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1 <!doctype html>
2 <html>
3 <head>
4 <title>Test Constructor: AudioBuffer</title>
5 <script src="../../resources/testharness.js"></script>
6 <script src="../../resources/testharnessreport.js"></script>
7 <script src="../resources/audio-testing.js"></script>
8 </head>
9
10 <body>
11 <script>
12 var context;
13
14 var audit = Audit.createTaskRunner();
15
16 audit.defineTask("initialize", function (taskDone) {
17 Should("context = new OfflineAudioContext(...)", function () {
18 context = new OfflineAudioContext(1, 1, 48000);
19 }).notThrow();
20
21 taskDone();
22 });
23
24 audit.defineTask("invalid constructor", function (taskDone) {
25 var node;
26 var success = true;
27
28 success = Should("new AudioBuffer()", function () {
29 node = new AudioBuffer();
30 }).throw("TypeError");
31 success = Should("new AudioBuffer(1)", function () {
32 node = new AudioBuffer(1) && success;
33 }).throw("TypeError");
34 success = Should("new AudioBuffer(context, 42)", function () {
35 node = new AudioBuffer(context, 42) && success;
36 }).throw("TypeError");
37
38 Should("Invalid constructors", success)
39 .summarize(
40 "correctly threw errors",
41 "did not throw errors in all cases");
42
43 taskDone();
44 });
45
46 audit.defineTask("required options", function (taskDone) {
47 var success = true;
48
49 success = Should("new AudioBuffer(context, {})", function () {
50 var buffer = new AudioBuffer(context, {});
51 }).throw("NotFoundError");
52
53 success = Should("new AudioBuffer(context, {numberOfChannels: 1}",
54 function () {
55 var buffer = new AudioBuffer(context, {
56 numberOfChannels: 1
57 });
58 }).throw("NotFoundError") && success;
59
60 // The sampleRate isn't required, but numberOfChannels and length are.
61 success = Should(
62 "new AudioBuffer(context, {numberOfChannels: 1, length: 1}",
63 function () {
64 var buffer = new AudioBuffer(context, {
65 numberOfChannels: 1,
66 length: 1
67 });
68 }).notThrow() && success;
69
70 success = Should(
71 "new AudioBuffer(context, {numberOfChannels: 1, length: 1, sampleRate: 48000}",
72 function () {
73 var buffer = new AudioBuffer(context, {
74 numberOfChannels: 1,
75 length: 1,
76 sampleRate: 48000
77 });
78 }).notThrow() && success;
79
80 Should("Missing option values handled", success)
81 .summarize("correctly", "incorrectly");
82
83 taskDone();
84 });
85
86 audit.defineTask("invalid option values", function (taskDone) {
87 var success = true;
88
89 var options = {
90 numberOfChannels: 0,
91 length: 1
92 };
93 success = Should("new AudioBuffer(c, " + JSON.stringify(options) + ")", function () {
94 var buffer = new AudioBuffer(context, options);
95 }).throw("NotSupportedError");
96
97 options = {
98 numberOfChannels: 99,
99 length: 0
100 };
101 success = Should("new AudioBuffer(c, " + JSON.stringify(options) + ")", function () {
102 var buffer = new AudioBuffer(context, options);
103 }).throw("NotSupportedError") && success;
104
105 options = {
106 numberOfChannels: 1,
107 length: 0
108 };
109 success = Should("new AudioBuffer(c, " + JSON.stringify(options) + ")", function () {
110 var buffer = new AudioBuffer(context, options);
111 }).throw("NotSupportedError") && success;
112
113 options = {
114 numberOfChannels: 1,
115 length: 1,
116 sampleRate: 100
117 };
118 success = Should("new AudioBuffer(c, " + JSON.stringify(options) + ")", function () {
119 var buffer = new AudioBuffer(context, options);
120 }).throw("NotSupportedError") && success;
121
122 Should("Invalid option values handled", success)
123 .summarize("correctly", "incorrectly");
124
125 taskDone();
126 });
127
128 audit.defineTask("default constructor", function (taskDone) {
129 var buffer;
130 var success = true;
131
132 var options = {
133 numberOfChannels: 5,
134 length: 17
135 };
136 success = Should(
137 "buffer = new AudioBuffer(c, " + JSON.stringify(options) + ")",
138 function () {
139 buffer = new AudioBuffer(context, options);
140 }).notThrow();
141
142 success = Should("buffer.numberOfChannels", buffer.numberOfChannels)
143 .beEqualTo(options.numberOfChannels) && success;
144 success = Should("buffer.length", buffer.length)
145 .beEqualTo(options.length) && success;
146 success = Should("buffer.sampleRate", buffer.sampleRate)
147 .beEqualTo(context.sampleRate) && success;
148
149 Should("Default constructor values set", success)
150 .summarize("correctly", "incorrectly");
151
152 taskDone();
153 });
154
155 audit.defineTask("valid constructor", function (taskDone) {
156 var buffer;
157 var success = true;
158
159 var options = {
160 numberOfChannels: 3,
161 length: 42,
162 sampleRate: 54321
163 };
164
165 var message = "new AudioBuffer(c, {" + JSON.stringify(options) + ")";
166 success = Should(message, function () {
167 buffer = new AudioBuffer(context, options);
168 }).notThrow();
169
170 success = Should("buffer.numberOfChannels", buffer.numberOfChannels)
171 .beEqualTo(options.numberOfChannels) && success;
172
173 success = Should("buffer.length", buffer.length)
174 .beEqualTo(options.length) && success;
175
176 success = Should("buffer.sampleRate", buffer.sampleRate)
177 .beEqualTo(options.sampleRate) && success;
178
179 // Verify that we actually got the right number of channels
180 for (var k = 0; k < options.numberOfChannels; ++k) {
181 var data;
182 var message = "buffer.getChannelData(" + k + ")";
183 success = Should(message, function () {
184 data = buffer.getChannelData(k);
185 }).notThrow() && success;
186
187 success = Should(message + " length", data.length)
188 .beEqualTo(options.length) && success;
189 }
190
191 Should("buffer.getChannelData(" + options.numberOfChannels + ")",
192 function () {
193 buffer.getChannelData(options.numberOfChannels);
194 }).throw("IndexSizeError") && success;
195
196 Should("AudioBuffer constructed", success)
197 .summarize("correctly", "incorrectly");
198
199 taskDone();
200 });
201
202 audit.runTasks();
203 </script>
204 </body>
205 </html>
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