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| 1 <!doctype html> | |
| 2 <html> | |
| 3 <head> | |
| 4 <title>Test AudioContext.suspend() and AudioContext.resume()</title> | |
| 5 <script src="../resources/js-test.js"></script> | |
| 6 <script src="resources/compatibility.js"></script> | |
| 7 <script src="resources/audit-util.js"></script> | |
| 8 <script src="resources/audio-testing.js"></script> | |
| 9 </head> | |
| 10 | |
| 11 <body> | |
| 12 <script> | |
| 13 description("Test suspend/resume for an (offline) AudioContext"); | |
| 14 window.jsTestIsAsync = true; | |
| 15 | |
| 16 var offlineContext; | |
| 17 var osc; | |
| 18 var p1; | |
| 19 var p2; | |
| 20 var p3; | |
| 21 | |
| 22 var sampleRate = 44100; | |
| 23 var durationInSeconds = 1; | |
| 24 | |
| 25 var audit = Audit.createTaskRunner(); | |
| 26 | |
| 27 // Convenience function that returns a function that calls the |passFailFunc
| | |
| 28 // with the given |message|. The |passFailFunc| should be either |testPasse
d| | |
| 29 // or |testFailed|. | |
| 30 function handlePromise(passFailFunc, message) { | |
| 31 return function () { | |
| 32 passFailFunc(message); | |
| 33 }; | |
| 34 } | |
| 35 | |
| 36 // Task: test suspend(). | |
| 37 audit.defineTask('test-suspend', function (done) { | |
| 38 | |
| 39 // Test suspend/resume. Ideally this test is best with a online | |
| 40 // AudioContext, but content shell doesn't really have a working online | |
| 41 // AudioContext. Hence, use an OfflineAudioContext. Not all possible | |
| 42 // scenarios can be easily checked with an offline context instead of an | |
| 43 // online context. | |
| 44 | |
| 45 // Create an audio context with an oscillator. | |
| 46 shouldNotThrow("offlineContext = new OfflineAudioContext(1, durationInSeco
nds * sampleRate, sampleRate)"); | |
| 47 osc = offlineContext.createOscillator(); | |
| 48 osc.connect(offlineContext.destination); | |
| 49 | |
| 50 // Verify the state. | |
| 51 shouldBeEqualToString("offlineContext.state", "suspended"); | |
| 52 | |
| 53 // Multiple calls to suspend() should not be a problem. But we can't test | |
| 54 // that on an offline context. Thus, check that suspend() on an | |
| 55 // OfflineAudioContext rejects the promise. | |
| 56 shouldNotThrow("p1 = offlineContext.suspend()"); | |
| 57 shouldBeType("p1", "Promise"); | |
| 58 p1.then( | |
| 59 handlePromise(testFailed, "offlineContext.suspend() should have been rej
ected for an offline context"), | |
| 60 function (e) { | |
| 61 if (e.name === "TypeError") { | |
| 62 testPassed( | |
| 63 "offlineContext.suspend() was correctly rejected: " + e); | |
| 64 } else { | |
| 65 testFailed( | |
| 66 "offlineContext.suspend() was correctly rejected but expected Type
Error, not: " + e); | |
| 67 } | |
| 68 } | |
| 69 ).then(done); | |
| 70 }); | |
| 71 | |
| 72 | |
| 73 // Task: test resume(). | |
| 74 audit.defineTask('test-resume', function (done) { | |
| 75 | |
| 76 // Multiple calls to resume should not be a problem. But we can't test | |
| 77 // that on an offline context. Thus, check that resume() on an | |
| 78 // OfflineAudioContext rejects the promise. | |
| 79 shouldNotThrow("p2 = offlineContext.resume()"); | |
| 80 shouldBeType("p2", "Promise"); | |
| 81 | |
| 82 // Resume doesn't actually resume an offline context | |
| 83 shouldBeEqualToString("offlineContext.state", "suspended"); | |
| 84 p2.then( | |
| 85 handlePromise(testFailed, "offlineContext.resume() should have been reje
cted for an offline context"), | |
| 86 function (e) { | |
| 87 if (e.name === "InvalidStateError") { | |
| 88 testPassed( | |
| 89 "offlineContext.resume() was correctly rejected: " + e); | |
| 90 } else { | |
| 91 testFailed( | |
| 92 "offlineContext.resume() was correctly rejected but expected Inval
idAccessError, not: " + e); | |
| 93 } | |
| 94 } | |
| 95 ).then(done); | |
| 96 }); | |
| 97 | |
| 98 // Task: test the state after context closed. | |
| 99 audit.defineTask('test-after-close', function (done) { | |
| 100 | |
| 101 // Render the offline context. | |
| 102 osc.start(); | |
| 103 | |
| 104 // Test suspend/resume in tested promise pattern. We don't care about the | |
| 105 // actual result of the offline rendering. | |
| 106 shouldNotThrow("p3 = offlineContext.startRendering()"); | |
| 107 p3.then(function () { | |
| 108 shouldBeEqualToString("offlineContext.state", "closed"); | |
| 109 | |
| 110 // suspend() should be rejected on a closed context. | |
| 111 offlineContext.suspend().then( | |
| 112 handlePromise(testFailed, "offlineContext.suspend() on a closed contex
t not rejected"), | |
| 113 function (e) { | |
| 114 if (e.name === "TypeError") { | |
| 115 testPassed("offlineContext.suspend() on a closed context rejected:
" + e); | |
| 116 } else { | |
| 117 testFailed("offlineContext.suspend() on a closed context rejected
but expected TypeError, not: " + e); | |
| 118 } | |
| 119 } | |
| 120 ).then(function () { | |
| 121 // resume() should be rejected on closed context. | |
| 122 offlineContext.resume().then( | |
| 123 handlePromise(testFailed, "offlineContext.resume() on a closed conte
xt not rejected"), | |
| 124 function (e) { | |
| 125 if (e.name === "InvalidStateError") { | |
| 126 testPassed("offlineContext.resume() on a closed context rejected
: " + e); | |
| 127 } else { | |
| 128 testFailed("offlineContext.resume() on a closed context rejected
but expected InvalidStateError, not: " + e); | |
| 129 } | |
| 130 } | |
| 131 ).then(done); | |
| 132 }); | |
| 133 | |
| 134 }); | |
| 135 }); | |
| 136 | |
| 137 audit.defineTask('finish-test', function (done) { | |
| 138 done(); | |
| 139 finishJSTest(); | |
| 140 }); | |
| 141 | |
| 142 audit.runTasks( | |
| 143 'test-suspend', | |
| 144 'test-resume', | |
| 145 'test-after-close', | |
| 146 'finish-test' | |
| 147 ); | |
| 148 | |
| 149 successfullyParsed = true; | |
| 150 </script> | |
| 151 </body> | |
| 152 </html> | |
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Chromium Code Reviews
Issue 2581463002:
Refactor WebAudio test directory (Closed)
