LayoutTests/media/encrypted-media/encrypted-media-lifetime-mediakeys-with-session.html - Issue 665213002: Implement navigator.requestMediaKeySystemAccess()

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Issue 665213002: Implement navigator.requestMediaKeySystemAccess() (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master

Patch Set: add comment Created 6 years, 1 month ago

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

2 <html>	2 <html>

3 <head>	3 <head>

4 <title>Test MediaKeys lifetime when adding a session</title>	4 <title>Test MediaKeys lifetime when adding a session</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>

(...skipping 17 matching lines...) Expand all Loading...
28 {	28 {

29 var mediaKeys;	29 var mediaKeys;

30 var startingActiveDOMObjectCount = window.internals.activeDOMObj ectCount(document);	30 var startingActiveDOMObjectCount = window.internals.activeDOMObj ectCount(document);

31	31

32 function numActiveDOMObjectsCreated()	32 function numActiveDOMObjectsCreated()

33 {	33 {

34 return window.internals.activeDOMObjectCount(document) - sta rtingActiveDOMObjectCount;	34 return window.internals.activeDOMObjectCount(document) - sta rtingActiveDOMObjectCount;

35 }	35 }

36	36

37 // Create a MediaKeys object with a session.	37 // Create a MediaKeys object with a session.

38 MediaKeys.create('org.w3.clearkey').then(function(result) {	38 navigator.requestMediaKeySystemAccess('org.w3.clearkey').then(fu nction(access) {

	39 assert_equals(access.keySystem, 'org.w3.clearkey');

	40 return access.createMediaKeys();

	41 }).then(function(result) {

39 mediaKeys = result;	42 mediaKeys = result;

40	43

41 // Verify MediaKeys are not an ActiveDOMObject.	44 // Verify MediaKeys are not an ActiveDOMObject.

42 assert_equals(numActiveDOMObjectsCreated(), 0, 'MediaKeys.cr eate()');	45 assert_equals(numActiveDOMObjectsCreated(), 0, 'MediaKeys.cr eate()');

43	46

44 var initDataType = getInitDataType();	47 var initDataType = getInitDataType();

45 var mediaKeySession = mediaKeys.createSession();	48 var mediaKeySession = mediaKeys.createSession();

46 return mediaKeySession.generateRequest(initDataType, getInit Data(initDataType));	49 return mediaKeySession.generateRequest(initDataType, getInit Data(initDataType));

47 }).then(function() {	50 }).then(function() {

48 // 1 MediaKeySession.	51 // 1 MediaKeySession.

49 assert_equals(numActiveDOMObjectsCreated(), 1, 'MediaKeys.cr eateSession()');	52 assert_equals(numActiveDOMObjectsCreated(), 1, 'MediaKeys.cr eateSession()');

50	53

51 // Run gc(), should not affect MediaKeys object nor the	54 // Run gc(), should not affect MediaKeys object nor the

52 // session since we still have a reference to it.	55 // session since we still have a reference to it.

53 return createGCPromise();	56 return createGCPromise();

54 }).then(function(result) {	57 }).then(function(result) {

55 assert_equals(mediaKeys.keySystem, 'org.w3.clearkey');	58 assert_equals(typeof mediaKeys.createSession, 'function');

56 // Ensure that MediaKeySession (but not PromiseResolver) is	59 // Ensure that MediaKeySession (but not PromiseResolver) is

57 // still around.	60 // still around.

58 assert_equals(numActiveDOMObjectsCreated(), 1, 'After gc()') ;	61 assert_equals(numActiveDOMObjectsCreated(), 1, 'After gc()') ;

59	62

60 // Drop reference to the MediaKeys object and run gc()	63 // Drop reference to the MediaKeys object and run gc()

61 // again. Object should be collected this time. Since	64 // again. Object should be collected this time. Since

62 // MediaKeySessions remain alive as long as MediaKeys is	65 // MediaKeySessions remain alive as long as MediaKeys is

63 // around, it is possible that gc() checks the	66 // around, it is possible that gc() checks the

64 // MediaKeySession object first, and doesn't collect it	67 // MediaKeySession object first, and doesn't collect it

65 // since MediaKeys hasn't been collected yet. Thus run gc()	68 // since MediaKeys hasn't been collected yet. Thus run gc()

66 // twice, to ensure that the unreferenced MediaKeySession	69 // twice, to ensure that the unreferenced MediaKeySession

67 // object get collected.	70 // object get collected.

68 mediaKeys = null;	71 mediaKeys = null;

69 return createGCPromise();	72 return createGCPromise();

70 }).then(function(result) {	73 }).then(function(result) {

71 return createGCPromise();	74 return createGCPromise();

72 }).then(function(result) {	75 }).then(function(result) {

73 assert_equals(numActiveDOMObjectsCreated(), 0);	76 assert_equals(numActiveDOMObjectsCreated(), 0);

74 test.done();	77 test.done();

75 }).catch(function(error) {	78 }).catch(function(error) {

76 forceTestFailureFromPromise(test, error);	79 forceTestFailureFromPromise(test, error);

77 });	80 });

78 }, 'MediaKeys lifetime with session');	81 }, 'MediaKeys lifetime with session');

79 </script>	82 </script>

80 </body>	83 </body>

81 </html>	84 </html>

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