third_party/WebKit/LayoutTests/webaudio/AudioParam/audioparam-setValueCurve-duration.html - Issue 2658703002: Convert AudioParam Audit tests to testharness

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Issue 2658703002: Convert AudioParam Audit tests to testharness (Closed)

Patch Set: Rebase test 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 <script src="../../resources/js-test.js"></script>	4 <script src="../../resources/testharness.js"></script>

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

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

6 <script src="../resources/audio-testing.js"></script>	7 <script src="../resources/audio-testing.js"></script>

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

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

9 </head>	10 </head>

10	11

11 <body>	12 <body>

12 <script>	13 <script>

13 description("Test AudioParam setValueCurveAtTime() with Huge Duration.");

14 window.jsTestIsAsync = true;

15	14

16 var sampleRate = 48000;	15 var sampleRate = 48000;

17 var renderFrames = 1000;	16 var renderFrames = 1000;

18	17

19 var audit = Audit.createTaskRunner();	18 var audit = Audit.createTaskRunner();

20	19

21 audit.defineTask("long duration", function (done) {	20 audit.defineTask("long duration", function (done) {

22 // 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.

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

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

25	24

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

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

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

29	28

30 // 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. Th e duration should

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

32 var gain = context.createGain();	31 var gain = context.createGain();

33 var duration = Math.pow(2, 64);	32 var duration = Math.pow(2, 64);

34 var curve = Float32Array.from([0, 1]);	33 var curve = Float32Array.from([0, 1]);

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

36	35

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

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

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

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

41	40

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

43 // Find the maximum value of the buffer.	42 // Find the maximum value of the buffer.

44 console.log(result);

45 var max = Math.max.apply(null, result.getChannelData(0));	43 var max = Math.max.apply(null, result.getChannelData(0));

46	44

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

48 // Hence the max value of the interpolation occurs at the end of the rendering. Compute	46 // Hence the max value of the interpolation occurs at the end of the rendering. Compute

49 // this value.	47 // this value.

50	48

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

52	50

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

54	52

55 success = Should("Max amplitude of " + message, max, {	53 success = Should("Max amplitude of " + message, max, {

56 brief: true	54 brief: true

57 }).beLessThanOrEqualTo(expectedMax);	55 }).beLessThanOrEqualTo(expectedMax);

58	56

59 if (success)	57 Should(message, success)

60 testPassed(message + " correctly rendered.")	58 .summarize("correctly rounded",

61 else	59 "incorrectly rendered with a peak value of " + max);

62 testFailed(message + " incorrectly rendered with a peak value of " + max);

63 }).then(done);	60 }).then(done);

64 });	61 });

65	62

66 audit.defineTask("finish", function (done) {	63 audit.defineTask("finish", function (done) {

67 finishJSTest();

68 done();	64 done();

69 });	65 });

70	66

71 audit.runTasks();	67 audit.runTasks();

72 </script>	68 </script>

73 </body>	69 </body>

74 </html>	70 </html>

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