third_party/WebKit/LayoutTests/webaudio/dynamicscompressor-clear-internal-state.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 3 years, 12 months ago

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1 <!doctype html>

2 <html>

3 <head>

4 <title>Validate Reduction Value of DynamicsComporessor after Disabling</titl e>

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("Validate Reduction Value of DynamicsComporessor after Disabli ng");

14

15 var context;

16 var buffer;

17 var source;

18 var compressor;

19 var renderedData;

20

21 var sampleRate = 44100;

22 var testDurationSamples = 44100;

23

24 function checkResult (event) {

25

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

27

28 // Check that the reduction value is 0.0.

29 if (compressor.reduction !== 0.0) {

30 testFailed("Expected reduction of 0.0, but the value is " + compre ssor.reduction);

31 }

32 else {

33 testPassed("Reduction is 0.0");

34 }

35

36 finishJSTest();

37 }

38

39 function runTest() {

40 window.jsTestIsAsync = true;

41

42 // Create the offline context for the test.

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

44 context.oncomplete = checkResult;

45

46 // Create the constant sample buffer of 0.5 sec.

47 buffer = createConstantBuffer(context, testDurationSamples / 2, 1);

48

49 // Create compressor and use default parameters for the compression.

50 compressor = context.createDynamicsCompressor();

51

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

53 source = context.createBufferSource();

54 source.buffer = buffer;

55 source.connect(compressor);

56 compressor.connect(context.destination);

57 source.start(0.0);

58

59 // Render it!

60 context.startRendering();

61 }

62

63 runTest();

64 succesfullyParsed = true;

65 </script>

66 </body>

67 </html>

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