third_party/WebKit/LayoutTests/webaudio/OfflineAudioContext/onstatechange.html - Issue 2680033002: Convert OfflineAudioContext tests to testharness

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Issue 2680033002: Convert OfflineAudioContext tests to testharness (Closed)

Patch Set: Remove expected results and minor cleanup 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 <title>Test statechange event</title>	4 <title>Test statechange event</title>

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

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

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

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

8 </head>	9 </head>

9	10

10 <body>	11 <body>

11 <script>	12 <script>

12 description("Test statechange event is properly signaled")	13 var audit = Audit.createTaskRunner();

13

14 window.jsTestIsAsync = true;

15

16 var secondsToRender = 2;	14 var secondsToRender = 2;

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

18	16

19 var stateChangeCount = 0;	17 var stateChangeCount = 0;

20 var context;	18 var context;

21 var contextState;	19 var contextState;

22	20

23 function checkStateChange (e) {	21 function checkStateChange (e, should) {

24 contextState = e.currentTarget.state;	22 contextState = e.currentTarget.state;

25	23

26 switch (stateChangeCount) {	24 switch (stateChangeCount) {

27 case 0:	25 case 0:

28 shouldBeEqualToString("contextState", "running");	26 should(contextState, "context.state")

	27 .beEqualTo("running");

29 break;	28 break;

30 case 1:	29 case 1:

31 shouldBeEqualToString("contextState", "closed");	30 should(contextState, "context.state")

	31 .beEqualTo("closed");

32 break;	32 break;

33 default:	33 default:

34 testFailed("Expected only two state changes but got " + stateChangeCou nt);	34 should(stateChangeCount, "Number of state changes")

	35 .beLessThanOrEqualTo(2)

35 }	36 }

36 ++stateChangeCount;	37 ++stateChangeCount;

37 }	38 }

38	39

39 function finalCheck() {	40 function finalCheck(should) {

40 // Final check that we got the right number of state changes and the cor rect final state.	41 // Final check that we got the right number of state changes and the cor rect final state.

41 shouldBeEqualToNumber("stateChangeCount", 2);	42 should(stateChangeCount, "stateChangeCount")

42 shouldBeEqualToString("context.state", "closed");	43 .beEqualTo(2);

43 finishJSTest();	44 should(context.state, "context.state")

	45 .beEqualTo("closed");

44 }	46 }

45	47

46 function runTest() {	48 audit.define('test', (task, should) => {

	49 task.describe('Signaling of statechange event');

47 // Create an offline context with a source passing through a convolver. The convolver is	50 // Create an offline context with a source passing through a convolver. The convolver is

48 // just to waste some time.	51 // just to waste some time.

49 context = new OfflineAudioContext(1, secondsToRender * sampleRate, sampl eRate);	52 context = new OfflineAudioContext(1, secondsToRender * sampleRate, sampl eRate);

50 var buffer = createImpulseBuffer(context, sampleRate);	53 var buffer = createImpulseBuffer(context, sampleRate);

51 var source = context.createBufferSource();	54 var source = context.createBufferSource();

52 var conv = context.createConvolver();	55 var conv = context.createConvolver();

53	56

54 source.buffer = buffer;	57 source.buffer = buffer;

55 conv.normalize = false;	58 conv.normalize = false;

56 conv.buffer = buffer;	59 conv.buffer = buffer;

57	60

58 source.connect(conv);	61 source.connect(conv);

59 conv.connect(context.destination);	62 conv.connect(context.destination);

60	63

61 source.start();	64 source.start();

62	65

63 context.onstatechange = checkStateChange;	66 context.onstatechange = (e) => checkStateChange(e, should);
	hongchan 2017/02/07 18:38:43 (event) (event) Raymond Toy 2017/02/07 19:11:10 Done. Show quoted text On 2017/02/07 18:38:43, hongchan wrote: > (event) Done.
64	67

65 context.startRendering().then(function () {	68 should(context.startRendering(), "Context rendering")

66 testPassed("context finished rendering")	69 .beResolved();

67 });

68	70

69 // Don't want to set an oncomplete for the context and don't want to use the promise because	71 // Don't want to set an oncomplete for the context and don't want to use the promise because

70 // the order of the state change event and resolving the promise is not specified. Thus,	72 // the order of the state change event and resolving the promise is not specified. Thus,

71 // just wait for a bit and then finish the test. We assume the offline context runs faster	73 // just wait for a bit and then finish the test. We assume the offline context runs faster

72 // than realtime.	74 // than realtime.

73 setTimeout(finalCheck, secondsToRender * 1000);	75 setTimeout(() => {

74 }	76 finalCheck(should);

	77 task.done();

	78 }, secondsToRender * 1000);

	79 });

75	80

76 runTest();	81 audit.run();

77 </script>	82 </script>

78 </body>	83 </body>

79 </html>	84 </html>

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