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| 1 <!doctype html> | 1 <!DOCTYPE html> |
| 2 <html> | 2 <html> |
| 3 <head> | 3 <head> |
| 4 <title> |
| 5 Test AudioBuffer.getChannelData() Returns the Same Object |
| 6 </title> |
| 4 <script src="../../resources/testharness.js"></script> | 7 <script src="../../resources/testharness.js"></script> |
| 5 <script src="../../resources/testharnessreport.js"></script> | 8 <script src="../../resources/testharnessreport.js"></script> |
| 6 <script src="../resources/audit-util.js"></script> | 9 <script src="../resources/audit-util.js"></script> |
| 7 <script src="../resources/audit.js"></script> | 10 <script src="../resources/audit.js"></script> |
| 8 <script src="../resources/audioparam-testing.js"></script> | 11 <script src="../resources/audioparam-testing.js"></script> |
| 9 <title>Test AudioBuffer.getChannelData() Returns the Same Object</title> | |
| 10 </head> | 12 </head> |
| 13 <body> |
| 14 <script id="layout-test-code"> |
| 15 let sampleRate = 48000; |
| 16 let renderDuration = 0.5; |
| 11 | 17 |
| 12 <body> | 18 let audit = Audit.createTaskRunner(); |
| 13 <script> | |
| 14 | 19 |
| 15 var sampleRate = 48000; | 20 audit.define('buffer-eq', (task, should) => { |
| 16 var renderDuration = 0.5; | 21 // Verify that successive calls to getChannelData return the same |
| 22 // buffer. |
| 23 let context = new AudioContext(); |
| 24 let channelCount = 2; |
| 25 let frameLength = 1000; |
| 26 let buffer = |
| 27 context.createBuffer(channelCount, frameLength, context.sampleRate); |
| 17 | 28 |
| 18 var audit = Audit.createTaskRunner(); | 29 for (let c = 0; c < channelCount; ++c) { |
| 30 let a = buffer.getChannelData(c); |
| 31 let b = buffer.getChannelData(c); |
| 19 | 32 |
| 20 audit.define("buffer-eq", (task, should) => { | 33 let message = 'buffer.getChannelData(' + c + ')'; |
| 21 // Verify that successive calls to getChannelData return the same buffer
. | 34 should(a === b, message + ' === ' + message).beEqualTo(true); |
| 22 var context = new AudioContext(); | |
| 23 var channelCount = 2; | |
| 24 var frameLength = 1000; | |
| 25 var buffer = context.createBuffer(channelCount, frameLength, context.sam
pleRate); | |
| 26 | |
| 27 for (var c = 0; c < channelCount; ++c) { | |
| 28 var a = buffer.getChannelData(c); | |
| 29 var b = buffer.getChannelData(c); | |
| 30 | |
| 31 let message = "buffer.getChannelData(" + c + ")"; | |
| 32 should(a === b, message + " === " + message) | |
| 33 .beEqualTo(true); | |
| 34 } | 35 } |
| 35 | 36 |
| 36 task.done(); | 37 task.done(); |
| 37 }); | 38 }); |
| 38 | 39 |
| 39 audit.define("buffer-not-eq", (task, should) => { | 40 audit.define('buffer-not-eq', (task, should) => { |
| 40 var context = new AudioContext(); | 41 let context = new AudioContext(); |
| 41 var channelCount = 2; | 42 let channelCount = 2; |
| 42 var frameLength = 1000; | 43 let frameLength = 1000; |
| 43 var buffer1 = context.createBuffer(channelCount, frameLength, context.sa
mpleRate); | 44 let buffer1 = |
| 44 var buffer2 = context.createBuffer(channelCount, frameLength, context.sa
mpleRate); | 45 context.createBuffer(channelCount, frameLength, context.sampleRate); |
| 45 var success = true; | 46 let buffer2 = |
| 47 context.createBuffer(channelCount, frameLength, context.sampleRate); |
| 48 let success = true; |
| 46 | 49 |
| 47 for (var c = 0; c < channelCount; ++c) { | 50 for (let c = 0; c < channelCount; ++c) { |
| 48 var a = buffer1.getChannelData(c); | 51 let a = buffer1.getChannelData(c); |
| 49 var b = buffer2.getChannelData(c); | 52 let b = buffer2.getChannelData(c); |
| 50 | 53 |
| 51 let message = "getChannelData(" + c + ")"; | 54 let message = 'getChannelData(' + c + ')'; |
| 52 should(a === b, "buffer1." + message + " === buffer2." + message) | 55 should(a === b, 'buffer1.' + message + ' === buffer2.' + message) |
| 53 .beEqualTo(false) && success; | 56 .beEqualTo(false) && |
| 57 success; |
| 54 } | 58 } |
| 55 | 59 |
| 56 task.done(); | 60 task.done(); |
| 57 }); | 61 }); |
| 58 | 62 |
| 59 audit.run(); | 63 audit.run(); |
| 60 </script> | 64 </script> |
| 61 </body> | 65 </body> |
| 62 </html> | 66 </html> |
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