The Tor Browser / file comparison
comparison: content/media/webaudio/test/test_analyserNode.html
content/media/webaudio/test/test_analyserNode.html
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
equal
deleted
inserted
replaced
| -1:000000000000 | 0:18a6f2531373 |
|---|---|
| 1 <!DOCTYPE HTML> | |
| 2 <html> | |
| 3 <head> | |
| 4 <title>Test AnalyserNode</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"> | |
| 12 | |
| 13 SimpleTest.waitForExplicitFinish(); | |
| 14 addLoadEvent(function() { | |
| 15 | |
| 16 var context = new AudioContext(); | |
| 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 destination = context.destination; | |
| 23 | |
| 24 var source = context.createBufferSource(); | |
| 25 | |
| 26 var analyser = context.createAnalyser(); | |
| 27 | |
| 28 source.buffer = buffer; | |
| 29 | |
| 30 source.connect(analyser); | |
| 31 analyser.connect(destination); | |
| 32 | |
| 33 is(analyser.channelCount, 1, "analyser node has 2 input channels by default"); | |
| 34 is(analyser.channelCountMode, "explicit", "Correct channelCountMode for the analyser node"); | |
| 35 is(analyser.channelInterpretation, "speakers", "Correct channelCountInterpretation for the analyser node"); | |
| 36 | |
| 37 is(analyser.fftSize, 2048, "Correct default value for fftSize"); | |
| 38 is(analyser.frequencyBinCount, 1024, "Correct default value for frequencyBinCount"); | |
| 39 expectException(function() { | |
| 40 analyser.fftSize = 0; | |
| 41 }, DOMException.INDEX_SIZE_ERR); | |
| 42 expectException(function() { | |
| 43 analyser.fftSize = 1; | |
| 44 }, DOMException.INDEX_SIZE_ERR); | |
| 45 expectException(function() { | |
| 46 analyser.fftSize = 8; | |
| 47 }, DOMException.INDEX_SIZE_ERR); | |
| 48 expectException(function() { | |
| 49 analyser.fftSize = 100; // non-power of two | |
| 50 }, DOMException.INDEX_SIZE_ERR); | |
| 51 expectException(function() { | |
| 52 analyser.fftSize = 2049; | |
| 53 }, DOMException.INDEX_SIZE_ERR); | |
| 54 expectException(function() { | |
| 55 analyser.fftSize = 4096; | |
| 56 }, DOMException.INDEX_SIZE_ERR); | |
| 57 analyser.fftSize = 1024; | |
| 58 is(analyser.frequencyBinCount, 512, "Correct new value for frequencyBinCount"); | |
| 59 | |
| 60 is(analyser.minDecibels, -100, "Correct default value for minDecibels"); | |
| 61 is(analyser.maxDecibels, -30, "Correct default value for maxDecibels"); | |
| 62 expectException(function() { | |
| 63 analyser.minDecibels = -30; | |
| 64 }, DOMException.INDEX_SIZE_ERR); | |
| 65 expectException(function() { | |
| 66 analyser.minDecibels = -29; | |
| 67 }, DOMException.INDEX_SIZE_ERR); | |
| 68 expectException(function() { | |
| 69 analyser.maxDecibels = -100; | |
| 70 }, DOMException.INDEX_SIZE_ERR); | |
| 71 expectException(function() { | |
| 72 analyser.maxDecibels = -101; | |
| 73 }, DOMException.INDEX_SIZE_ERR); | |
| 74 | |
| 75 is(analyser.smoothingTimeConstant, 0.8, "Correct default value for smoothingTimeConstant"); | |
| 76 expectException(function() { | |
| 77 analyser.smoothingTimeConstant = -0.1; | |
| 78 }, DOMException.INDEX_SIZE_ERR); | |
| 79 expectException(function() { | |
| 80 analyser.smoothingTimeConstant = 1.1; | |
| 81 }, DOMException.INDEX_SIZE_ERR); | |
| 82 analyser.smoothingTimeConstant = 0; | |
| 83 analyser.smoothingTimeConstant = 1; | |
| 84 | |
| 85 SimpleTest.finish(); | |
| 86 }); | |
| 87 | |
| 88 </script> | |
| 89 </pre> | |
| 90 </body> | |
| 91 </html> |
