third_party/WebKit/LayoutTests/webaudio/DynamicsCompressor/dynamicscompressor-clear-internal-state.html - Issue 2673743002: Convert DynamicsCompressor tests to testharness

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Issue 2673743002: Convert DynamicsCompressor tests to testharness (Closed)

Patch Set: Address review comments. Created 3 years, 10 months ago

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1 <!doctype html>	1 <!doctype html>

2 <html>	2 <html>

3 <head>	3 <head>

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

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 <script>	12 <script>

12 description("Validate Reduction Value of DynamicsComporessor after Disabli ng");	13 let audit = Audit.createTaskRunner();

	14 let context;

	15 let buffer;

	16 let source;

	17 let compressor;

13	18

14 var context;	19 let sampleRate = 44100;

15 var buffer;	20 let testDurationSamples = 44100;

16 var source;

17 var compressor;

18 var renderedData;

19	21

20 var sampleRate = 44100;	22 audit.define("test", function (task, should) {

21 var testDurationSamples = 44100;	23 task.describe(

22	24 "Validate Reduction Value of DynamicsCompressor after Disabling"

23 function checkResult (event) {	25 );

24

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

26

27 // Check that the reduction value is 0.0.

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

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

30 }

31 else {

32 testPassed("Reduction is 0.0");

33 }

34

35 finishJSTest();

36 }

37

38 function runTest() {

39 window.jsTestIsAsync = true;

40

41 // Create the offline context for the test.	26 // Create the offline context for the test.

42 context = new OfflineAudioContext(1, testDurationSamples, sampleRate);	27 context = new OfflineAudioContext(1, testDurationSamples, sampleRate);

43 context.oncomplete = checkResult;

44	28

45 // Create the constant sample buffer of 0.5 sec.	29 // Create the constant sample buffer of 0.5 sec.

46 buffer = createConstantBuffer(context, testDurationSamples / 2, 1);	30 buffer = createConstantBuffer(context, testDurationSamples / 2, 1);

47	31

48 // Create compressor and use default parameters for the compression.	32 // Create compressor and use default parameters for the compression.

49 compressor = context.createDynamicsCompressor();	33 compressor = context.createDynamicsCompressor();

50	34

51 // Create the source and connect it to the destination	35 // Create the source and connect it to the destination

52 source = context.createBufferSource();	36 source = context.createBufferSource();

53 source.buffer = buffer;	37 source.buffer = buffer;

54 source.connect(compressor);	38 source.connect(compressor);

55 compressor.connect(context.destination);	39 compressor.connect(context.destination);

56 source.start(0.0);	40 source.start(0.0);

57	41

58 // Render it!	42 // Render it!

59 context.startRendering();	43 context.startRendering()

60 }	44 .then(() => {

	45 // Check that the reduction value is 0.0.

	46 should(compressor.reduction, "compressor.reduction")

	47 .beEqualTo(0);

	48 task.done();

	49 });

	50 });

61	51

62 runTest();	52 audit.run();

63 succesfullyParsed = true;

64 </script>	53 </script>

65 </body>	54 </body>

66 </html>	55 </html>

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