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comparison: content/media/webaudio/test/test_delayNode.html
content/media/webaudio/test/test_delayNode.html
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:5bd4835d18a3 |
|---|---|
| 1 <!DOCTYPE HTML> | |
| 2 <html> | |
| 3 <head> | |
| 4 <title>Test DelayNode</title> | |
| 5 <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> | |
| 6 <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" /> | |
| 7 </head> | |
| 8 <body> | |
| 9 <pre id="test"> | |
| 10 <script src="webaudio.js" type="text/javascript"></script> | |
| 11 <script class="testbody" type="text/javascript"> | |
| 12 | |
| 13 var gTest = { | |
| 14 length: 4096, | |
| 15 numberOfChannels: 1, | |
| 16 createGraph: function(context) { | |
| 17 var buffer = context.createBuffer(1, 2048, context.sampleRate); | |
| 18 for (var i = 0; i < 2048; ++i) { | |
| 19 buffer.getChannelData(0)[i] = Math.sin(440 * 2 * Math.PI * i / context.sampleRate); | |
| 20 } | |
| 21 | |
| 22 var source = context.createBufferSource(); | |
| 23 | |
| 24 var delay = context.createDelay(); | |
| 25 | |
| 26 source.buffer = buffer; | |
| 27 | |
| 28 source.connect(delay); | |
| 29 | |
| 30 ok(delay.delayTime, "The audioparam member must exist"); | |
| 31 is(delay.delayTime.value, 0, "Correct initial value"); | |
| 32 is(delay.delayTime.defaultValue, 0, "Correct default value"); | |
| 33 delay.delayTime.value = 0.5; | |
| 34 is(delay.delayTime.value, 0.5, "Correct initial value"); | |
| 35 is(delay.delayTime.defaultValue, 0, "Correct default value"); | |
| 36 is(delay.channelCount, 2, "delay node has 2 input channels by default"); | |
| 37 is(delay.channelCountMode, "max", "Correct channelCountMode for the delay node"); | |
| 38 is(delay.channelInterpretation, "speakers", "Correct channelCountInterpretation for the delay node"); | |
| 39 | |
| 40 expectException(function() { | |
| 41 context.createDelay(0); | |
| 42 }, DOMException.NOT_SUPPORTED_ERR); | |
| 43 expectException(function() { | |
| 44 context.createDelay(180); | |
| 45 }, DOMException.NOT_SUPPORTED_ERR); | |
| 46 expectTypeError(function() { | |
| 47 context.createDelay(NaN); | |
| 48 }, DOMException.NOT_SUPPORTED_ERR); | |
| 49 expectException(function() { | |
| 50 context.createDelay(-1); | |
| 51 }, DOMException.NOT_SUPPORTED_ERR); | |
| 52 context.createDelay(1); // should not throw | |
| 53 | |
| 54 // Delay the source stream by 2048 frames | |
| 55 delay.delayTime.value = 2048 / context.sampleRate; | |
| 56 | |
| 57 source.start(0); | |
| 58 return delay; | |
| 59 }, | |
| 60 createExpectedBuffers: function(context) { | |
| 61 var expectedBuffer = context.createBuffer(1, 2048 * 2, context.sampleRate); | |
| 62 for (var i = 2048; i < 2048 * 2; ++i) { | |
| 63 expectedBuffer.getChannelData(0)[i] = Math.sin(440 * 2 * Math.PI * (i - 2048) / context.sampleRate); | |
| 64 } | |
| 65 return expectedBuffer; | |
| 66 }, | |
| 67 }; | |
| 68 | |
| 69 runTest(); | |
| 70 | |
| 71 </script> | |
| 72 </pre> | |
| 73 </body> | |
| 74 </html> |
