third_party/WebKit/LayoutTests/webaudio/AudioParam/audioparam-setValueCurve-duration.html - Issue 2780433005: Convert AudioParam tests to new Audit

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Issue 2780433005: Convert AudioParam tests to new Audit (Closed)

Patch Set: Address review comments Created 3 years, 8 months ago

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

2 <html>	2 <html>

3 <head>	3 <head>

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

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

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

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

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

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

10 </head>	10 </head>

11	11

12 <body>	12 <body>

13 <script>	13 <script>

14	14

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

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

17	17

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

19	19

20 audit.defineTask("long duration", function (done) {	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 var context = new OfflineAudioContext(1, renderFrames, sampleRate);

23 var src = context.createBufferSource();	23 var 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. Th e duration should

30 // 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).

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

44	44

45 // 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.

46 // 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

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

48	48

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

50	50

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

52	52

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

54 brief: true	54 .beLessThanOrEqualTo(expectedMax);

55 }).beLessThanOrEqualTo(expectedMax);	55 }).then(() => task.done());

56

57 Should(message, success)

58 .summarize("correctly rounded",

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

60 }).then(done);

61 });	56 });

62	57

63 audit.defineTask("finish", function (done) {	58 audit.run();

64 done();

65 });

66

67 audit.runTasks();

68 </script>	59 </script>

69 </body>	60 </body>

70 </html>	61 </html>

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