third_party/WebKit/LayoutTests/webaudio/ChannelMerger/audiochannelmerger-disconnect.html - Issue 2895963003: Apply layout-test-tidy to LayoutTests/webaudio

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Issue 2895963003: Apply layout-test-tidy to LayoutTests/webaudio (Closed)

Patch Set: Created 3 years, 7 months ago

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

2 <html>	2 <html>

	3 <head>

	4 <title>

	5 audiochannelmerger-disconnect.html

	6 </title>

	7 <script src="../../resources/testharness.js"></script>

	8 <script src="../../resources/testharnessreport.js"></script>

	9 <script src="../resources/audit-util.js"></script>

	10 <script src="../resources/audit.js"></script>

	11 </head>

	12 <body>

	13 <script id="layout-test-code">

	14 let renderQuantum = 128;

3	15

4 <head>	16 let numberOfChannels = 2;

5 <script src="../../resources/testharness.js"></script>	17 let sampleRate = 44100;

6 <script src="../../resources/testharnessreport.js"></script>	18 let renderDuration = 0.5;

7 <script src="../resources/audit-util.js"></script>	19 let disconnectTime = 0.5 * renderDuration;

8 <script src="../resources/audit.js"></script>

9 </head>

10	20

11 <body>	21 let audit = Audit.createTaskRunner();

12 <script>

13	22

14 var renderQuantum = 128;	23 // Task: Check if the merger outputs a silent channel when an input is

	24 // disconnected.

	25 audit.define('silent-disconnect', (task, should) => {

	26 let context = new OfflineAudioContext(

	27 numberOfChannels, renderDuration * sampleRate, sampleRate);

	28 let merger = context.createChannelMerger();

	29 let source1 = context.createBufferSource();

	30 let source2 = context.createBufferSource();

15	31

16 var numberOfChannels = 2;	32 // Create and assign a constant buffer.

17 var sampleRate = 44100;	33 let bufferDCOffset = createConstantBuffer(context, 1, 1);

18 var renderDuration = 0.5;	34 source1.buffer = source2.buffer = bufferDCOffset;

19 var disconnectTime = 0.5 * renderDuration;	35 source1.loop = source2.loop = true;

20	36

21 var audit = Audit.createTaskRunner();	37 // Connect the output of source into the 4th input of merger. The merger

	38 // should produce 6 channel output.

	39 source1.connect(merger, 0, 0);

	40 source2.connect(merger, 0, 1);

	41 merger.connect(context.destination);

	42 source1.start();

	43 source2.start();

22	44

23 // Task: Check if the merger outputs a silent channel when an input is	45 // Schedule the disconnection of \|source2\| at the half of render

24 // disconnected.	46 // duration.

25 audit.define('silent-disconnect', (task, should) => {	47 context.suspend(disconnectTime).then(function() {

26 var context = new OfflineAudioContext(numberOfChannels, renderDuration * s ampleRate, sampleRate);	48 source2.disconnect();

27 var merger = context.createChannelMerger();	49 context.resume();

28 var source1 = context.createBufferSource();	50 });

29 var source2 = context.createBufferSource();

30	51

31 // Create and assign a constant buffer.	52 context.startRendering()

32 var bufferDCOffset = createConstantBuffer(context, 1, 1);	53 .then(function(buffer) {

33 source1.buffer = source2.buffer = bufferDCOffset;	54 // The entire first channel of the output should be 1.

34 source1.loop = source2.loop = true;	55 should(buffer.getChannelData(0), 'Channel #0')

	56 .beConstantValueOf(1);

35	57

36 // Connect the output of source into the 4th input of merger. The merger	58 // Calculate the first zero index in the second channel.

37 // should produce 6 channel output.	59 let channel1 = buffer.getChannelData(1);

38 source1.connect(merger, 0, 0);	60 let disconnectIndex = disconnectTime * sampleRate;

39 source2.connect(merger, 0, 1);	61 disconnectIndex -= (disconnectIndex) % renderQuantum;

40 merger.connect(context.destination);	62 let firstZeroIndex = channel1.findIndex(function(element, index) {

41 source1.start();	63 if (element === 0)

42 source2.start();	64 return index;

	65 });

43	66

44 // Schedule the disconnection of \|source2\| at the half of render duration.	67 // The second channel should contain 1, and 0 after the

45 context.suspend(disconnectTime).then(function () {	68 // disconnection.

46 source2.disconnect();	69 should(channel1, 'Channel #1').containValues([1, 0]);

47 context.resume();	70 should(

	71 firstZeroIndex, 'The index of first zero in the channel #1')

	72 .beEqualTo(disconnectIndex);

	73

	74 })

	75 .then(() => task.done());

48 });	76 });

49	77

50 context.startRendering().then(function (buffer) {	78 audit.run();

51 // The entire first channel of the output should be 1.	79 </script>

52 should(buffer.getChannelData(0), 'Channel #0').beConstantValueOf(1);	80 </body>

53

54 // Calculate the first zero index in the second channel.

55 var channel1 = buffer.getChannelData(1);

56 var disconnectIndex = disconnectTime * sampleRate;

57 disconnectIndex -= (disconnectIndex) % renderQuantum;

58 var firstZeroIndex = channel1.findIndex(function (element, index) {

59 if (element === 0)

60 return index;

61 });

62

63 // The second channel should contain 1, and 0 after the disconnection.

64 should(channel1, 'Channel #1').containValues([1, 0]);

65 should(firstZeroIndex, 'The index of first zero in the channel #1')

66 .beEqualTo(disconnectIndex);

67

68 }).then(() => task.done());

69 });

70

71 audit.run();

72 </script>

73 </body>

74

75 </html>	81 </html>

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