third_party/WebKit/LayoutTests/webaudio/AudioParam/audioparam-setValueCurve-duration.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>	3 <head>

	4 <title>

	5 Test setValueCurveAtTime with Huge Duration

	6 </title>

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

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

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

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

8 <script src="../resources/audioparam-testing.js"></script>	11 <script src="../resources/audioparam-testing.js"></script>

9 <title>Test setValueCurveAtTime with Huge Duration</title>

10 </head>	12 </head>

	13 <body>

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

	15 let sampleRate = 48000;

	16 let renderFrames = 1000;

11	17

12 <body>	18 let audit = Audit.createTaskRunner();

13 <script>

14	19

15 var sampleRate = 48000;	20 audit.define('long duration', (task, should) => {

16 var renderFrames = 1000;

17

18 var audit = Audit.createTaskRunner();

19

20 audit.define("long duration", (task, should) => {

21 // We only need to generate a small number of frames for this test.	21 // We only need to generate a small number of frames for this test.

22 var context = new OfflineAudioContext(1, renderFrames, sampleRate);	22 let context = new OfflineAudioContext(1, renderFrames, sampleRate);

23 var src = context.createBufferSource();	23 let src = context.createBufferSource();

24	24

25 // Constant source of amplitude 1, looping.	25 // Constant source of amplitude 1, looping.

26 src.buffer = createConstantBuffer(context, 1, 1);	26 src.buffer = createConstantBuffer(context, 1, 1);

27 src.loop = true;	27 src.loop = true;

28	28

29 // Automate the gain with a setValueCurve with a very long duration. Th e duration should	29 // Automate the gain with a setValueCurve with a very long duration.

30 // produce a frame number greater than 2^64 (larger than the largest siz e_t value).	30 // The duration should produce a frame number greater than 2^64 (larger

31 var gain = context.createGain();	31 // than the largest size_t value).

32 var duration = Math.pow(2, 64);	32 let gain = context.createGain();

33 var curve = Float32Array.from([0, 1]);	33 let duration = Math.pow(2, 64);

	34 let curve = Float32Array.from([0, 1]);

34 gain.gain.setValueCurveAtTime(curve, 0, duration);	35 gain.gain.setValueCurveAtTime(curve, 0, duration);

35	36

36 // Create the graph and go!	37 // Create the graph and go!

37 src.connect(gain);	38 src.connect(gain);

38 gain.connect(context.destination);	39 gain.connect(context.destination);

39 src.start();	40 src.start();

40	41

41 context.startRendering().then(function (result) {	42 context.startRendering()

42 // Find the maximum value of the buffer.	43 .then(function(result) {

43 var max = Math.max.apply(null, result.getChannelData(0));	44 // Find the maximum value of the buffer.

	45 let max = Math.max.apply(null, result.getChannelData(0));

44	46

45 // The automation does linear interpolation between 0 and 1 from time 0 to duration.	47 // The automation does linear interpolation between 0 and 1 from

46 // Hence the max value of the interpolation occurs at the end of the rendering. Compute	48 // time 0 to duration. Hence the max value of the interpolation

47 // this value.	49 // occurs at the end of the rendering. Compute this value.

48	50

49 var expectedMax = (renderFrames / sampleRate) * (1 / duration);	51 let expectedMax = (renderFrames / sampleRate) * (1 / duration);

50	52

51 var message = "setValueCurve([" + curve + "], 0, " + duration + ")";	53 let message =

	54 'setValueCurve([' + curve + '], 0, ' + duration + ')';

52	55

53 should(max, "Max amplitude of " + message)	56 should(max, 'Max amplitude of ' + message)

54 .beLessThanOrEqualTo(expectedMax);	57 .beLessThanOrEqualTo(expectedMax);

55 }).then(() => task.done());	58 })

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

56 });	60 });

57	61

58 audit.run();	62 audit.run();

59 </script>	63 </script>

60 </body>	64 </body>

61 </html>	65 </html>

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