content/media/webaudio/test/test_OfflineAudioContext.html@44a2da4a2ab2
content/media/webaudio/test/test_OfflineAudioContext.html
Fri, 16 Jan 2015 04:50:19 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Fri, 16 Jan 2015 04:50:19 +0100
- branch
- TOR_BUG_9701
- changeset 13
- 44a2da4a2ab2
- permissions
- -rw-r--r--
Replace accessor implementation with direct member state manipulation, by
request https://trac.torproject.org/projects/tor/ticket/9701#comment:32
1 <!DOCTYPE HTML>
2 <html>
3 <head>
4 <title>Test OfflineAudioContext</title>
5 <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
6 <script type="text/javascript" src="webaudio.js"></script>
7 <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
8 </head>
9 <body>
10 <pre id="test">
11 <script class="testbody" type="text/javascript">
13 SimpleTest.waitForExplicitFinish();
14 addLoadEvent(function() {
15 var ctx = new OfflineAudioContext(2, 100, 22050);
16 ok(ctx instanceof EventTarget, "OfflineAudioContexts must be EventTargets");
18 var buf = ctx.createBuffer(2, 100, ctx.sampleRate);
19 for (var i = 0; i < 2; ++i) {
20 for (var j = 0; j < 100; ++j) {
21 buf.getChannelData(i)[j] = Math.sin(2 * Math.PI * 200 * j / ctx.sampleRate);
22 }
23 }
25 expectException(function() {
26 ctx.createMediaStreamDestination();
27 }, DOMException.NOT_SUPPORTED_ERR);
29 expectException(function() {
30 new OfflineAudioContext(2, 100, 0);
31 }, DOMException.NOT_SUPPORTED_ERR);
32 expectException(function() {
33 new OfflineAudioContext(2, 100, -1);
34 }, DOMException.NOT_SUPPORTED_ERR);
35 expectException(function() {
36 new OfflineAudioContext(0, 100, 44100);
37 }, DOMException.NOT_SUPPORTED_ERR);
38 new OfflineAudioContext(32, 100, 44100);
39 expectException(function() {
40 new OfflineAudioContext(33, 100, 44100);
41 }, DOMException.NOT_SUPPORTED_ERR);
42 expectException(function() {
43 new OfflineAudioContext(2, 0, 44100);
44 }, DOMException.NOT_SUPPORTED_ERR);
46 var src = ctx.createBufferSource();
47 src.buffer = buf;
48 src.start(0);
49 src.connect(ctx.destination);
50 ctx.startRendering();
51 ctx.addEventListener("complete", function(e) {
52 ok(e instanceof OfflineAudioCompletionEvent, "Correct event received");
53 is(e.renderedBuffer.numberOfChannels, 2, "Correct expected number of buffers");
54 compareBuffers(e.renderedBuffer, buf);
56 expectException(function() {
57 ctx.startRendering();
58 }, DOMException.INVALID_STATE_ERR);
60 SimpleTest.finish();
61 }, false);
62 });
64 </script>
65 </pre>
66 </body>
67 </html>
