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Issue 2581463002: Refactor WebAudio test directory (Closed)
Patch Set: Use correct path for wav result files Created 4 years ago
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1 <!doctype html>
2 <html>
3 <head>
4 <title>Test Setting of channelCountMode and channelInterpretation</title>
5 <script src="../resources/testharness.js"></script>
6 <script src="../resources/testharnessreport.js"></script>
7 <script src="resources/audit-util.js"></script>
8 <script src="resources/audio-testing.js"></script>
9 </head>
10
11 <body>
12 <script>
13 // Fairly arbitrary sample rate and number of frames, except the number of
14 // frames should be more than a few render quantums.
15 var sampleRate = 16000;
16 var renderFrames = 10 * 128;
17
18 var audit = Audit.createTaskRunner();
19
20 audit.defineTask("interp", function (taskDone) {
21 var context = new OfflineAudioContext(1, renderFrames, sampleRate);
22 var node = context.createGain();
23
24 // Set a new interpretation and verify that it changed.
25 node.channelInterpretation = "discrete";
26 var value = node.channelInterpretation;
27 Should("node.channelInterpretation", value).beEqualTo("discrete");
28 node.connect(context.destination);
29
30 context.startRendering().then(function (buffer) {
31 // After rendering, the value should have been changed.
32 Should("After rendering node.channelInterpretation",
33 node.channelInterpretation)
34 .beEqualTo("discrete");
35 }).then(taskDone);
36 });
37
38 audit.defineTask("mode", function (taskDone) {
39 var context = new OfflineAudioContext(1, renderFrames, sampleRate);
40 var node = context.createGain();
41
42 // Set a new mode and verify that it changed.
43 node.channelCountMode = "explicit";
44 var value = node.channelCountMode;
45 Should("node.channelCountMode", value).beEqualTo("explicit");
46 node.connect(context.destination);
47
48 context.startRendering().then(function (buffer) {
49 // After rendering, the value should have been changed.
50 Should("After rendering node.channelCountMode",
51 node.channelCountMode)
52 .beEqualTo("explicit");
53 }).then(taskDone);
54 });
55 audit.runTasks();
56 </script>
57 </body>
58 </html>
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