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| 1 <!doctype html> | 1 <!doctype html> |
| 2 <html> | 2 <html> |
| 3 <head> | 3 <head> |
| 4 <title>Test premature GC upon OscillatorNode and AudioBufferSourceNode</titl
e> | 4 <title>Test premature GC upon OscillatorNode and AudioBufferSourceNode</titl
e> |
| 5 <script src="../../resources/js-test.js"></script> | 5 <script src="../../resources/testharness.js"></script> |
| 6 <script src="../../resources/testharnessreport.js"></script> |
| 6 <script src="../resources/audit-util.js"></script> | 7 <script src="../resources/audit-util.js"></script> |
| 7 <script src="../resources/audio-testing.js"></script> | 8 <script src="../resources/audio-testing.js"></script> |
| 8 </head> | 9 </head> |
| 9 | 10 |
| 10 <body> | 11 <body> |
| 11 <script type="text/javascript"> | 12 <script type="text/javascript"> |
| 12 description("Test premature GC upon OscillatorNode and AudioBufferSourceNo
de"); | |
| 13 window.jsTestIsAsync = true; | |
| 14 | 13 |
| 15 var sampleRate = 44100; | 14 var sampleRate = 44100; |
| 16 var renderDuration = 1; | 15 var renderDuration = 1; |
| 17 | 16 |
| 18 var audit = Audit.createTaskRunner(); | 17 var audit = Audit.createTaskRunner(); |
| 19 | 18 |
| 20 | 19 |
| 21 // Create a graph for testing in an isolated scope. Returns |context|. | 20 // Create a graph for testing in an isolated scope. Returns |context|. |
| 22 // Create two nodes and schedule only one of them. Then check if |onended| | 21 // Create two nodes and schedule only one of them. Then check if |onended| |
| 23 // from the scheduled node is fired correctly. | 22 // from the scheduled node is fired correctly. |
| 24 function createGraphInIsolatedScope(sourceNodeType, done) { | 23 function createGraphInIsolatedScope(sourceNodeType, done) { |
| 25 | 24 |
| 26 'use strict'; | 25 'use strict'; |
| 27 | 26 |
| 28 var context = new OfflineAudioContext(1, renderDuration * sampleRate, sa
mpleRate); | 27 var context = new OfflineAudioContext(1, renderDuration * sampleRate, sa
mpleRate); |
| 29 | 28 |
| 30 { | 29 { |
| 31 let node = context['create' + sourceNodeType](); | 30 let node = context['create' + sourceNodeType](); |
| 32 node.connect(context.destination); | 31 node.connect(context.destination); |
| 33 | 32 |
| 34 if (sourceNodeType === 'BufferSource') { | 33 if (sourceNodeType === 'BufferSource') { |
| 35 let emptyBuffer = context.createBuffer(1, sampleRate, sampleRate); | 34 let emptyBuffer = context.createBuffer(1, sampleRate, sampleRate); |
| 36 node.buffer = emptyBuffer; | 35 node.buffer = emptyBuffer; |
| 37 } | 36 } |
| 38 | 37 |
| 39 // If the node is GCed, |onended| won't be fired. Then this test | 38 // If the node is GCed, |onended| won't be fired. Then this test |
| 40 // will be timed out because done() will not get called. | 39 // will be timed out because done() will not get called. |
| 41 node.onended = function () { | 40 node.onended = function () { |
| 42 testPassed(sourceNodeType + 'Node 1 survived GC and onended event fi
red.'); | 41 Should(sourceNodeType + 'Node 1 survived GC and onended event fired'
, true).beEqualTo(true); |
| 43 done(); | 42 done(); |
| 44 }; | 43 }; |
| 45 | 44 |
| 46 node.start(); | 45 node.start(); |
| 47 node.stop(0.5 * renderDuration); | 46 node.stop(0.5 * renderDuration); |
| 48 } | 47 } |
| 49 | 48 |
| 50 // Suspend and GC before the render finishes. The time position is | 49 // Suspend and GC before the render finishes. The time position is |
| 51 // arbitrary. GC should collect |osc2| because it is not scheduled. | 50 // arbitrary. GC should collect |osc2| because it is not scheduled. |
| 52 context.suspend(0.1 * renderDuration).then(function () { | 51 context.suspend(0.1 * renderDuration).then(function () { |
| 53 gc(); | 52 gc(); |
| 54 context.resume(); | 53 context.resume(); |
| 55 }); | 54 }); |
| 56 | 55 |
| 57 context.startRendering(); | 56 context.startRendering(); |
| 58 } | 57 } |
| 59 | 58 |
| 60 audit.defineTask('oscillator-onended', function (done) { | 59 audit.defineTask('oscillator-onended', function (done) { |
| 61 createGraphInIsolatedScope('Oscillator', done); | 60 createGraphInIsolatedScope('Oscillator', done); |
| 62 }); | 61 }); |
| 63 | 62 |
| 64 audit.defineTask('buffersource-onended', function (done) { | 63 audit.defineTask('buffersource-onended', function (done) { |
| 65 createGraphInIsolatedScope('BufferSource', done); | 64 createGraphInIsolatedScope('BufferSource', done); |
| 66 }); | 65 }); |
| 67 | 66 |
| 68 audit.defineTask('finish', function (done) { | 67 audit.defineTask('finish', function (done) { |
| 69 finishJSTest(); | |
| 70 done(); | 68 done(); |
| 71 }); | 69 }); |
| 72 | 70 |
| 73 | 71 |
| 74 audit.runTasks( | 72 audit.runTasks( |
| 75 'oscillator-onended', | 73 'oscillator-onended', |
| 76 'buffersource-onended', | 74 'buffersource-onended', |
| 77 'finish' | 75 'finish' |
| 78 ); | 76 ); |
| 79 | 77 |
| 80 succesfullyParsed = true; | 78 succesfullyParsed = true; |
| 81 </script> | 79 </script> |
| 82 </body> | 80 </body> |
| 83 </html> | 81 </html> |
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