LayoutTests/media/encrypted-media/encrypted-media-lifetime-mediakeysession-release-noreference.html - Issue 441063003: Run microtasks at the end of each worker task.

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Issue 441063003: Run microtasks at the end of each worker task. (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master

Patch Set: Created 6 years, 4 months ago

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1 <!DOCTYPE html>	1 <!DOCTYPE html>

2 <html>	2 <html>

3 <head>	3 <head>

4 <title>Test MediaKeySession lifetime after release() without references< /title>	4 <title>Test MediaKeySession lifetime after release() without references< /title>

5 <script src="encrypted-media-utils.js"></script>	5 <script src="encrypted-media-utils.js"></script>

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

7 <script src="../../resources/testharnessreport.js"></script>	7 <script src="../../resources/testharnessreport.js"></script>

8 </head>	8 </head>

9 <body>	9 <body>

10 <div id="log"></div>	10 <div id="log"></div>

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26 return window.internals.activeDOMObjectCount(document) - sta rtingActiveDOMObjectCount;	26 return window.internals.activeDOMObjectCount(document) - sta rtingActiveDOMObjectCount;

27 }	27 }

28	28

29 // Create 2 sessions.	29 // Create 2 sessions.

30 var mediaKeys;	30 var mediaKeys;

31 var mediaKeySession1;	31 var mediaKeySession1;

32 var mediaKeySession2;	32 var mediaKeySession2;

33 MediaKeys.create('org.w3.clearkey').then(function(result) {	33 MediaKeys.create('org.w3.clearkey').then(function(result) {

34 mediaKeys = result;	34 mediaKeys = result;

35	35

36 // Verify MediaKeys are not an ActiveDOMObject. However, the	36 // Verify MediaKeys are not an ActiveDOMObject.

37 // PromiseResolver objects used by MediaKeys/MediaKeySession	37 assert_equals(numActiveDOMObjectsCreated(), 0, 'MediaKeys.cr eate()');

38 // are ActiveDOMObjects, and they stay active until the end

39 // of the associated then/catch function.

40 assert_equals(numActiveDOMObjectsCreated(), 1, 'MediaKeys.cr eate()');

41	38

42 return mediaKeys.createSession(initDataType, initData);	39 return mediaKeys.createSession(initDataType, initData);

43 }).then(function(result) {	40 }).then(function(result) {

44 mediaKeySession1 = result;	41 mediaKeySession1 = result;

45 assert_true(mediaKeySession1.sessionId && mediaKeySession1.s essionId.length > 0);	42 assert_true(mediaKeySession1.sessionId && mediaKeySession1.s essionId.length > 0);

46 // Should be 1 MediaKeySession + 1 PromiseResolver from the	43 // Should be 1 MediaKeySession.

47 // last createSession().	44 assert_equals(numActiveDOMObjectsCreated(), 1, 'mediaKeys.cr eateSession(1)');

48 assert_equals(numActiveDOMObjectsCreated(), 2, 'mediaKeys.cr eateSession(1)');

49 return mediaKeys.createSession(initDataType, initData);	45 return mediaKeys.createSession(initDataType, initData);

50 }).then(function(result) {	46 }).then(function(result) {

51 mediaKeySession2 = result;	47 mediaKeySession2 = result;

52 assert_true(mediaKeySession2.sessionId && mediaKeySession2.s essionId.length > 0);	48 assert_true(mediaKeySession2.sessionId && mediaKeySession2.s essionId.length > 0);

53 // Should be 2 MediaKeySessions + 1 PromiseResolver from the	49 // Should be 2 MediaKeySessions.

54 // last createSession().	50 assert_equals(numActiveDOMObjectsCreated(), 2, 'mediaKeys.cr eateSession(2)');

55 assert_equals(numActiveDOMObjectsCreated(), 3, 'mediaKeys.cr eateSession(2)');

56 }).then(function(result) {	51 }).then(function(result) {

57 // Run gc(). All sessions should remain as we have a	52 // Run gc(). All sessions should remain as we have a

58 // reference to each one. However, running gc()	53 // reference to each one.

59 // asynchronously should free up the last PromiseResolver.

60 return createGCPromise();	54 return createGCPromise();

61 }).then(function(result) {	55 }).then(function(result) {

62 // Should be just the 2 MediaKeySessions.	56 // Should be just the 2 MediaKeySessions.

63 assert_equals(numActiveDOMObjectsCreated(), 2, 'After gc()') ;	57 assert_equals(numActiveDOMObjectsCreated(), 2, 'After gc()') ;

64	58

65 // Release the sessions. Once the close() event is received,	59 // Release the sessions. Once the close() event is received,

66 // they should get garbage collected as there are no JS	60 // they should get garbage collected as there are no JS

67 // references to them.	61 // references to them.

68 var promise = mediaKeySession1.release();	62 var promise = mediaKeySession1.release();

69 mediaKeySession1 = null;	63 mediaKeySession1 = null;

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90 assert_equals(numActiveDOMObjectsCreated(), 0);	84 assert_equals(numActiveDOMObjectsCreated(), 0);

91 assert_not_equals(mediaKeys, null);	85 assert_not_equals(mediaKeys, null);

92 test.done();	86 test.done();

93 }).catch(function(error) {	87 }).catch(function(error) {

94 forceTestFailureFromPromise(test, error);	88 forceTestFailureFromPromise(test, error);

95 });	89 });

96 }, 'MediaKeySession lifetime after release() without references');	90 }, 'MediaKeySession lifetime after release() without references');

97 </script>	91 </script>

98 </body>	92 </body>

99 </html>	93 </html>

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