Implement OfflineAudioContext constructor
[WebKit-https.git] / LayoutTests / webaudio / delaynode-maxdelaylimit.html
1 <!DOCTYPE html>
2
3 <html>
4 <head>
5 <script src="../fast/js/resources/js-test-pre.js"></script>
6 <script src="resources/audio-testing.js"></script>
7 <script src="resources/delay-testing.js"></script>
8 </head>
9
10 <body>
11
12 <div id="description"></div>
13 <div id="console"></div>
14
15 <script>
16 description("Tests attribute and maximum allowed delay of DelayNode.");
17
18 function runTest() {
19     if (window.testRunner) {
20         testRunner.dumpAsText();
21         testRunner.waitUntilDone();
22     }
23     
24     window.jsTestIsAsync = true;
25         
26     // Create offline audio context.
27     var context = new webkitOfflineAudioContext(1, sampleRate * renderLengthSeconds, sampleRate);
28     var toneBuffer = createToneBuffer(context, 20, 20 * toneLengthSeconds, sampleRate); // 20Hz tone
29     
30     var bufferSource = context.createBufferSource();
31     bufferSource.buffer = toneBuffer;
32
33     window.context = context;
34     shouldThrow("context.createDelay(180)");
35     shouldThrow("context.createDelay(0)");
36     shouldThrow("context.createDelay(-1)");
37
38     var delay = context.createDelay(179);
39     delay.delayTime.value = delayTimeSeconds;
40     window.delay = delay;
41     shouldBeTrue("delay.delayTime.value === 0.5");
42
43     bufferSource.connect(delay);
44     delay.connect(context.destination);
45     bufferSource.start(0);
46     
47     context.oncomplete = checkDelayedResult(toneBuffer);
48     context.startRendering();
49 }
50
51 runTest();
52
53 </script>
54
55 <script src="../fast/js/resources/js-test-post.js"></script>
56 </body>
57 </html>