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comparison: content/media/webaudio/test/test_audioBufferSourceNodeNeutered.html
content/media/webaudio/test/test_audioBufferSourceNodeNeutered.html
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| -1:000000000000 | 0:1a39142860e4 |
|---|---|
| 1 <!DOCTYPE HTML> | |
| 2 <html> | |
| 3 <head> | |
| 4 <title>Test AudioBufferSourceNode when an AudioBuffer's getChanneData array is neutered</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 function createGarbage() { | |
| 14 var s = []; | |
| 15 for (var i = 0; i < 10000000; ++i) { | |
| 16 s.push(i); | |
| 17 } | |
| 18 var sum = 0; | |
| 19 for (var i = 0; i < s.length; ++i) { | |
| 20 sum += s[i]; | |
| 21 } | |
| 22 return sum; | |
| 23 } | |
| 24 | |
| 25 var worker = new Worker("audioBufferSourceNodeNeutered_worker.js"); | |
| 26 | |
| 27 var gTest = { | |
| 28 length: 2048, | |
| 29 numberOfChannels: 1, | |
| 30 createGraph: function(context) { | |
| 31 var buffer = context.createBuffer(1, 10000000, context.sampleRate); | |
| 32 var data = buffer.getChannelData(0); | |
| 33 for (var i = 0; i < data.length; ++i) { | |
| 34 data[i] = (i%100)/100 - 0.5; | |
| 35 } | |
| 36 | |
| 37 // Neuter the buffer now | |
| 38 var data = buffer.getChannelData(0).buffer; | |
| 39 worker.postMessage(data, [data]); | |
| 40 // Create garbage and GC to replace the buffer data with garbage | |
| 41 SpecialPowers.gc(); | |
| 42 createGarbage(); | |
| 43 SpecialPowers.gc(); | |
| 44 | |
| 45 var source = context.createBufferSource(); | |
| 46 source.buffer = buffer; | |
| 47 source.start(); | |
| 48 // This should play silence | |
| 49 return source; | |
| 50 }, | |
| 51 }; | |
| 52 | |
| 53 runTest(); | |
| 54 | |
| 55 </script> | |
| 56 </pre> | |
| 57 </body> | |
| 58 </html> |
