third_party/WebKit/LayoutTests/webaudio/offlineaudiocontext-promise-basic.html - Issue 2581463002: Refactor WebAudio test directory

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Issue 2581463002: Refactor WebAudio test directory (Closed)

Patch Set: Use correct path for wav result files Created 4 years ago

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1 <!doctype html>

2 <html>

3 <head>

4 <script src="../resources/js-test.js"></script>

5 <script src="resources/audio-testing.js"/>

6 <script src="resources/compatibility.js"></script>

7 <title>OfflineAudioContext.startRendering Promise</title>

8 </head>

9

10 <body>

11 <script>

12 description("Test OfflineAudioContext.startRendering Promise")

13

14 window.jsTestIsAsync = true;

15

16 var context;

17 var promiseData;

18

19 var sampleRate = 48000;

20 var renderSeconds = 1;

21 var renderFrames = sampleRate * renderSeconds;

22 var contextChannels = 2;

23

24 var audit = Audit.createTaskRunner();

25

26 audit.defineTask('reject-promise', function (done) {

27 // Create a context and verify that calling startRendering more than onc e causes a rejected

28 // promise.

29 var context = new OfflineAudioContext(contextChannels, renderFrames, sam pleRate);

30 context.startRendering();

31 context.startRendering()

32 .then(function () {

33 testFailed("Promise not rejected when calling startRend ering twice");

34 }, function () {

35 testPassed("Promise correctly rejected when calling sta rtRendering twice");

36 })

37 .then(done);

38 });

39

40 audit.defineTask('promise-results', function (done) {

41 // Create an offline context and verify that buffer returned by the prom ise matches the

42 // expected results.

43 context = new OfflineAudioContext(contextChannels, renderFrames, sampleR ate);

44

45 var buffer = context.createBuffer(contextChannels, renderFrames, sampleR ate);

46 for (var k = 0; k < renderFrames; ++k) {

47 buffer.getChannelData(0)[k] = 1;

48 buffer.getChannelData(1)[k] = 2;

49 }

50

51 var source = context.createBufferSource();

52 source.buffer = buffer;

53 source.connect(context.destination);

54 source.start();

55

56 context.startRendering().then(handlePromise).then(done);

57 });

58

59 audit.defineTask('finish', function (done) {

60 done();

61 finishJSTest();

62 });

63

64 audit.runTasks('reject-promise', 'promise-results', 'finish');

65

66 function handlePromise(buffer)

67 {

68 renderedData = buffer;

69 var success = true;

70

71 shouldBeEqualToString("context.state", "closed");

72 shouldBeEqualToNumber("renderedData.numberOfChannels", contextChannels);

73 shouldBeEqualToNumber("renderedData.length", renderFrames);

74

75 for (var channel = 0; channel < contextChannels; ++channel) {

76 var data = renderedData.getChannelData(channel);

77 for (var k = 0; k < renderFrames; ++k) {

78 if (data[k] != channel + 1) {

79 success = false;

80 badChannel = channel;

81 badFrame = k;

82 break;

83 }

84 }

85 if (!success)

86 break;

87 }

88

89 if (success) {

90 testPassed("Rendered data matches expected results");

91 testPassed("OfflineAudioContext.startRendering promise succeeded");

92 } else {

93 testFailed("Rendered data does not match expected results for channel " +

94 badChannel + ", frame " + badFrame);

95 testFailed("OfflineAudioContext.startRendering promise");

96 }

97 }

98

99 successfullyParsed = true;

100 </script>

101

102 </body>

103 </html>

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