third_party/WebKit/LayoutTests/webaudio/channel-mode-interp-basic.html - Issue 2581463002: Refactor WebAudio test directory

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Issue 2581463002: Refactor WebAudio test directory (Closed)

Patch Set: Use correct path for wav result files Created 4 years ago

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1 <!doctype html>

2 <html>

3 <head>

4 <title>Test Setting of channelCountMode and channelInterpretation</title>

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

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

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

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

9 </head>

10

11 <body>

12 <script>

13 // Fairly arbitrary sample rate and number of frames, except the number of

14 // frames should be more than a few render quantums.

15 var sampleRate = 16000;

16 var renderFrames = 10 * 128;

17

18 var audit = Audit.createTaskRunner();

19

20 audit.defineTask("interp", function (taskDone) {

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

22 var node = context.createGain();

23

24 // Set a new interpretation and verify that it changed.

25 node.channelInterpretation = "discrete";

26 var value = node.channelInterpretation;

27 Should("node.channelInterpretation", value).beEqualTo("discrete");

28 node.connect(context.destination);

29

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

31 // After rendering, the value should have been changed.

32 Should("After rendering node.channelInterpretation",

33 node.channelInterpretation)

34 .beEqualTo("discrete");

35 }).then(taskDone);

36 });

37

38 audit.defineTask("mode", function (taskDone) {

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

40 var node = context.createGain();

41

42 // Set a new mode and verify that it changed.

43 node.channelCountMode = "explicit";

44 var value = node.channelCountMode;

45 Should("node.channelCountMode", value).beEqualTo("explicit");

46 node.connect(context.destination);

47

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

49 // After rendering, the value should have been changed.

50 Should("After rendering node.channelCountMode",

51 node.channelCountMode)

52 .beEqualTo("explicit");

53 }).then(taskDone);

54 });

55 audit.runTasks();

56 </script>

57 </body>

58 </html>

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