third_party/WebKit/LayoutTests/webaudio/audiobuffersource-one-sample-loop.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 <title>Test AudioBufferSourceNode With Looping a Single-Sample Buffer</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 AudioBufferSourceNode With Looping a Single-Sample Buffe r");

14

15 var context;

16 var source;

17 var buffer;

18 var renderedData;

19

20 var sampleRate = 44100;

21 var testDurationSamples = 1000;

22

23 function checkResult (event) {

24 var success = true;

25

26 renderedData = event.renderedBuffer.getChannelData(0);

27 // Check that the rendered data is all ones, like the buffer source.

28 for (k = 0; k < renderedData.length; ++k) {

29 if (renderedData[k] != 1) {

30 success = false;

31 testFailed("Expected all ones, but sample " + k + " is " + ren deredData[k]);

32 break;

33 }

34 }

35 if (success)

36 testPassed("All samples equal to 1");

37 finishJSTest();

38 }

39

40 function runTest() {

41 window.jsTestIsAsync = true;

42

43 // Create the offline context for the test.

44 context = new OfflineAudioContext(1, testDurationSamples, sampleRate);

45 context.oncomplete = checkResult;

46

47 // Create the single sample buffer

48 buffer = createConstantBuffer(context, 1, 1);

49

50 // Create the source and connect it to the destination

51 source = context.createBufferSource();

52 source.buffer = buffer;

53 source.loop = true;

54 source.connect(context.destination);

55 source.start();

56

57 // Render it!

58 context.startRendering();

59 }

60

61 runTest();

62 succesfullyParsed = true;

63 </script>

64 </body>

65 </html>

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