third_party/WebKit/LayoutTests/webaudio/AudioBufferSource/audiobuffersource-late-start.html - Issue 2783553002: Convert AudioBufferSource tests to new Audit

Side by Side Diff: third_party/WebKit/LayoutTests/webaudio/AudioBufferSource/audiobuffersource-late-start.html

Issue 2783553002: Convert AudioBufferSource tests to new Audit (Closed)

Patch Set: Indent neatly. Created 3 years, 8 months ago

Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.

Jump to:

« no previous file with comments | « third_party/WebKit/LayoutTests/webaudio/AudioBufferSource/audiobuffersource-detune-modulation.html ('k') | third_party/WebKit/LayoutTests/webaudio/AudioBufferSource/audiobuffersource-loop-grain-no-duration.html » ('j') | no next file with comments »
Toggle Intra-line Diffs ('i') | Expand Comments ('e') | Collapse Comments ('c') | Hide Comments ('s')

OLD	NEW
1 <!DOCTYPE html>	1 <!DOCTYPE html>

2 <html>	2 <html>

3	3

4 <head>	4 <head>

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

6 <script src="../../resources/testharnessreport.js"></script>	6 <script src="../../resources/testharnessreport.js"></script>

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

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

9 </head>	9 </head>

10	10

11 <body>	11 <body>

12 <script>	12 <script>

13	13

14 var renderQuantum = 128;	14 var renderQuantum = 128;

15	15

16 var sampleRate = 44100;	16 var sampleRate = 44100;

17 var renderDuration = 0.25;	17 var renderDuration = 0.25;

18 var startTime = 0.5 * renderDuration;	18 var startTime = 0.5 * renderDuration;

19	19

20 var audit = Audit.createTaskRunner();	20 var audit = Audit.createTaskRunner();

21	21

22 // Calculate the index for actual start time.	22 // Calculate the index for actual start time.

23 function getStartIndex(time) {	23 function getStartIndex(time) {

24 var startIndex = time * sampleRate;	24 var startIndex = time * sampleRate;

25 return startIndex -= (startIndex) % renderQuantum;	25 return startIndex -= (startIndex) % renderQuantum;

26 }	26 }

27	27

28 // Get the index of value change.	28 // Get the index of value change.

29 function getValueChangeIndex(array, targetValue) {	29 function getValueChangeIndex(array, targetValue) {

30 return array.findIndex(function (element, index) {	30 return array.findIndex(function (element, index) {

31 if (element === targetValue)	31 if (element === targetValue)

32 return true;	32 return true;

33 });	33 });

34 }	34 }

35	35

36 audit.defineTask('test-late-start', function (done) {	36 audit.define('test-late-start', (task, should) => {

37 var context = new OfflineAudioContext(1, renderDuration * sampleRate, samp leRate);	37 var context = new OfflineAudioContext(1, renderDuration * sampleRate, samp leRate);

38 var dcOffsetbuffer = createConstantBuffer(context, 1, 1.0);	38 var dcOffsetbuffer = createConstantBuffer(context, 1, 1.0);

39 var source = context.createBufferSource();	39 var source = context.createBufferSource();

40 source.buffer = dcOffsetbuffer;	40 source.buffer = dcOffsetbuffer;

41 source.loop = true;	41 source.loop = true;

42 source.connect(context.destination);	42 source.connect(context.destination);

43	43

44 // Schedule source.start(0) at 0.01 second. The specified timing of	44 // Schedule source.start(0) at 0.01 second. The specified timing of

45 // start() call is already passed in terms of the context time. So the	45 // start() call is already passed in terms of the context time. So the

46 // argument \|0\| will be clamped to the current context time.	46 // argument \|0\| will be clamped to the current context time.

(...skipping 10 matching lines...) Expand all Loading...
57	57

58 // Start rendering and verify result: this verifies if 1) the rendered	58 // Start rendering and verify result: this verifies if 1) the rendered

59 // buffer contains at least one non-zero value and 2) the non-zero value i s	59 // buffer contains at least one non-zero value and 2) the non-zero value i s

60 // found later than the first output sample.	60 // found later than the first output sample.

61 context.startRendering().then(function (buffer) {	61 context.startRendering().then(function (buffer) {

62	62

63 var channelData = buffer.getChannelData(0);	63 var channelData = buffer.getChannelData(0);

64 var startIndex = getStartIndex(startTime);	64 var startIndex = getStartIndex(startTime);

65 var nonZeroValueIndex = getValueChangeIndex(channelData, 1.0);	65 var nonZeroValueIndex = getValueChangeIndex(channelData, 1.0);

66	66

67 Should('The output', channelData).containValues([0, 1]);	67 should(channelData, 'The output').containValues([0, 1]);

68 Should('The index of value change', nonZeroValueIndex)	68 should(nonZeroValueIndex, 'The index of value change')

69 .beEqualTo(startIndex);	69 .beEqualTo(startIndex);

70	70

71 Should('The index of the first non-zero sample', nonZeroValueIndex)	71 should(nonZeroValueIndex, 'The index of the first non-zero sample')

72 .notBeEqualTo(0)	72 .notBeEqualTo(0)

73	73

74 }).then(done);	74 }).then(() => task.done());

75 });	75 });

76	76

77 audit.defineTask('finish-test', function (done) {	77 audit.run();

78 done();

79 });

80

81 audit.runTasks();

82

83 successfullyParsed = true;

84 </script>	78 </script>

85 </body>	79 </body>

86	80

87 </html>	81 </html>

OLD	NEW