third_party/WebKit/LayoutTests/webaudio/AudioNode/audionode-connect-order.html - Issue 2651623004: Convert more AudioNode tests to use testharness

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Issue 2651623004: Convert more AudioNode tests to use testharness (Closed)

Patch Set: Fix bad indentation. Created 3 years, 11 months ago

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1 <!DOCTYPE html>	1 <!DOCTYPE html>

2	2

3 <html>	3 <html>

4 <head>	4 <head>

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/audit.js"></script>

8 </head>	9 </head>

9	10

10 <body>	11 <body>

11

12 <div id="description"></div>

13 <div id="console"></div>

14

15 <script>	12 <script>

16 description("This tests that we don't trigger an assertion failure due to AudioN ode connection order.");	13 let audit = Audit.createTaskRunner();

17	14 let sampleRate = 44100.0;

18 var sampleRate = 44100.0;	15 let renderLengthSeconds = 0.125;

19 var renderLengthSeconds = 0.125;	16 let delayTimeSeconds = 0.1;

20 var delayTimeSeconds = 0.1;

21	17

22 function createSinWaveBuffer(context, lengthInSeconds, frequency) {	18 function createSinWaveBuffer(context, lengthInSeconds, frequency) {

23 var audioBuffer = context.createBuffer(1, lengthInSeconds * sampleRate, samp leRate);	19 let audioBuffer =

	20 context.createBuffer(1, lengthInSeconds * sampleRate, sampleRate);

24	21

25 var n = audioBuffer.length;	22 let n = audioBuffer.length;

26 var data = audioBuffer.getChannelData(0);	23 let data = audioBuffer.getChannelData(0);

27	24

28 for (var i = 0; i < n; ++i) {	25 for (let i = 0; i < n; ++i) {

29 data[i] = Math.sin(frequency * 2 * Math.PI * i / sampleRate);	26 data[i] = Math.sin(frequency * 2 * Math.PI * i / sampleRate);

30 }	27 }

31	28

32 return audioBuffer;	29 return audioBuffer;

33 }	30 }

34	31

35 function runTest() {	32 audit.define('Test connections', function(task, should) {

36 if (window.testRunner) {	33 task.describe('AudioNode connection order doesn\'t trigger assertion errors');

37 testRunner.dumpAsText();	34 // Create offline audio context.

38 testRunner.waitUntilDone();	35 let context =

39 }	36 new OfflineAudioContext(1, sampleRate * renderLengthSeconds, sampleRate);

40	37 let toneBuffer = createSinWaveBuffer(context, renderLengthSeconds, 880);

41 window.jsTestIsAsync = true;

42

43 // Create offline audio context.

44 var context = new OfflineAudioContext(1, sampleRate * renderLengthSeconds, s ampleRate);

45 var toneBuffer = createSinWaveBuffer(context, renderLengthSeconds, 880);

46

47 var bufferSource = context.createBufferSource();

48 bufferSource.buffer = toneBuffer;

49 bufferSource.connect(context.destination);

50	38

51 var delay = context.createDelay();	39 let bufferSource = context.createBufferSource();

52 delay.delayTime.value = delayTimeSeconds;	40 bufferSource.buffer = toneBuffer;

	41 bufferSource.connect(context.destination);

53	42

54 // We connect delay node to gain node before anything is connected to delay node itself.	43 let delay = context.createDelay();

55 // We do this because we try to trigger the ASSERT which might be fired due to AudioNode connection order,	44 delay.delayTime.value = delayTimeSeconds;

56 // especially when gain node and delay node is involved e.g. https://bugs.we bkit.org/show_bug.cgi?id=76685.

57	45

58 var gain = context.createGain();	46 // We connect delay node to gain node before anything is connected to delay

	47 // node itself. We do this because we try to trigger the ASSERT which might

	48 // be fired due to AudioNode connection order, especially when gain node and

	49 // delay node is involved

	50 // e.g. https://bugs.webkit.org/show_bug.cgi?id=76685.

	51

	52 should(() => {

	53 let gain = context.createGain();

59 gain.connect(context.destination);	54 gain.connect(context.destination);

60 delay.connect(gain);	55 delay.connect(gain);

	56 }, 'Connecting nodes').notThrow();

61	57

62 bufferSource.start(0);	58 bufferSource.start(0);

63	59

64 context.oncomplete = finishJSTest;	60 let promise = context.startRendering();

65 context.startRendering();

66 }

67	61

68 runTest();	62 should(promise, 'OfflineContext startRendering()')

	63 .beResolved()

	64 .then(task.done.bind(task));

	65 });

	66

	67 audit.run();

69	68

70 </script>	69 </script>

71	70

72 </body>	71 </body>

73 </html>	72 </html>

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