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| 1 <!doctype html> | |
| 2 <html> | |
| 3 <head> | |
| 4 <script src="../resources/js-test.js"></script> | |
| 5 <script src="resources/compatibility.js"></script> | |
| 6 <script src="resources/audit-util.js"></script> | |
| 7 <script src="resources/audio-testing.js"></script> | |
| 8 <script src="resources/audioparam-testing.js"></script> | |
| 9 <title>Test AudioBuffer.getChannelData() Returns the Same Object</title> | |
| 10 </head> | |
| 11 | |
| 12 <body> | |
| 13 <script> | |
| 14 description("Test AudioBuffer.getChannelData() Returns the Same Object"); | |
| 15 window.jsTestIsAsync = true; | |
| 16 | |
| 17 var sampleRate = 48000; | |
| 18 var renderDuration = 0.5; | |
| 19 | |
| 20 var audit = Audit.createTaskRunner(); | |
| 21 | |
| 22 audit.defineTask("buffer-eq", function (done) { | |
| 23 // Verify that successive calls to getChannelData return the same buffer
. | |
| 24 var context = new AudioContext(); | |
| 25 var channelCount = 2; | |
| 26 var frameLength = 1000; | |
| 27 var buffer = context.createBuffer(channelCount, frameLength, context.sam
pleRate); | |
| 28 var success = true; | |
| 29 | |
| 30 for (var c = 0; c < channelCount; ++c) { | |
| 31 var a = buffer.getChannelData(c); | |
| 32 var b = buffer.getChannelData(c); | |
| 33 testPassed("a = buffer.getChannelData(" + c + ")"); | |
| 34 testPassed("b = buffer.getChannelData(" + c + ")"); | |
| 35 | |
| 36 if (a === b) { | |
| 37 testPassed("a === b is true"); | |
| 38 } else { | |
| 39 testFailed("a === b is false"); | |
| 40 success = false; | |
| 41 } | |
| 42 } | |
| 43 | |
| 44 if (success) | |
| 45 testPassed("getChannelData correctly returned the same buffer.\n") | |
| 46 else | |
| 47 testFailed("getChannelData inccorrectly returned the different buffers
.\n") | |
| 48 done(); | |
| 49 }); | |
| 50 | |
| 51 audit.defineTask("buffer-not-eq", function (done) { | |
| 52 var context = new AudioContext(); | |
| 53 var channelCount = 2; | |
| 54 var frameLength = 1000; | |
| 55 var buffer1 = context.createBuffer(channelCount, frameLength, context.sa
mpleRate); | |
| 56 var buffer2 = context.createBuffer(channelCount, frameLength, context.sa
mpleRate); | |
| 57 var success = true; | |
| 58 | |
| 59 for (var c = 0; c < channelCount; ++c) { | |
| 60 var a = buffer1.getChannelData(c); | |
| 61 var b = buffer2.getChannelData(c); | |
| 62 testPassed("a = buffer1.getChannelData(" + c + ")"); | |
| 63 testPassed("b = buffer2.getChannelData(" + c + ")"); | |
| 64 | |
| 65 if (a === b) { | |
| 66 testFailed("a === b is true"); | |
| 67 success = false; | |
| 68 } else { | |
| 69 testPassed("a === b is false"); | |
| 70 } | |
| 71 } | |
| 72 | |
| 73 if (success) | |
| 74 testPassed("getChannelData correctly returned different buffers.\n") | |
| 75 else | |
| 76 testFailed("getChannelData incorrectly returned the same buffers.\n") | |
| 77 done(); | |
| 78 }); | |
| 79 | |
| 80 audit.defineTask("finish", function (done) { | |
| 81 finishJSTest(); | |
| 82 done(); | |
| 83 }); | |
| 84 | |
| 85 audit.runTasks(); | |
| 86 </script> | |
| 87 </body> | |
| 88 </html> | |
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Chromium Code Reviews
Issue 2581463002:
Refactor WebAudio test directory (Closed)
