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Issue 2587913002: Rename activeDOMObjectsAreSuspended to isContextSuspended (Closed)
Patch Set: temp Created 3 years, 12 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 <script> 10 <script>
11 // Since MediaKeySession (and MediaKeys) are ActiveDOMObjects, 11 // Since MediaKeySession (and MediaKeys) are SuspendableObjects,
12 // we can determine when they are garbage collected. 12 // we can determine when they are garbage collected.
13 // MediaKeySessions remain as long as: 13 // MediaKeySessions remain as long as:
14 // JavaScript has a reference to it 14 // JavaScript has a reference to it
15 // OR (MediaKeys is around 15 // OR (MediaKeys is around
16 // AND the session has not received a close() event) 16 // AND the session has not received a close() event)
17 async_test(function(test) 17 async_test(function(test)
18 { 18 {
19 var initDataType; 19 var initDataType;
20 var initData; 20 var initData;
21 var startingActiveDOMObjectCount = window.internals.activeDOMObj ectCount(document); 21 var startingSuspendableObjectCount = window.internals.suspendabl eObjectCount(document);
22 22
23 function numActiveDOMObjectsCreated() 23 function numSuspendableObjectsCreated()
24 { 24 {
25 return window.internals.activeDOMObjectCount(document) - sta rtingActiveDOMObjectCount; 25 return window.internals.suspendableObjectCount(document) - s tartingSuspendableObjectCount;
26 } 26 }
27 27
28 // Create 2 sessions. 28 // Create 2 sessions.
29 var mediaKeys; 29 var mediaKeys;
30 var mediaKeySession1; 30 var mediaKeySession1;
31 var mediaKeySession2; 31 var mediaKeySession2;
32 32
33 navigator.requestMediaKeySystemAccess('org.w3.clearkey', getSimp leConfiguration()).then(function(access) { 33 navigator.requestMediaKeySystemAccess('org.w3.clearkey', getSimp leConfiguration()).then(function(access) {
34 initDataType = access.getConfiguration().initDataTypes[0]; 34 initDataType = access.getConfiguration().initDataTypes[0];
35 initData = getInitData(initDataType); 35 initData = getInitData(initDataType);
36 return access.createMediaKeys(); 36 return access.createMediaKeys();
37 }).then(function(result) { 37 }).then(function(result) {
38 mediaKeys = result; 38 mediaKeys = result;
39 39
40 // Verify MediaKeys is an ActiveDOMObject. 40 // Verify MediaKeys is an SuspendableObject.
41 // In non-Oilpan, numActiveDOMObjectsCreate() == 1. 41 // In non-Oilpan, numSuspendableObjectsCreate() == 1.
42 // In Oilpan, numActiveDOMObjectsCreate() <= 4. 42 // In Oilpan, numSuspendableObjectsCreate() <= 4.
43 // (1 MediaKeys, 43 // (1 MediaKeys,
44 // 1 MediaKeysInitializer and 44 // 1 MediaKeysInitializer and
45 // 1 MediaKeySystemAccessInitializer (navigator.requestMedi aKeySystemAccess() use above), 45 // 1 MediaKeySystemAccessInitializer (navigator.requestMedi aKeySystemAccess() use above),
46 // 1 MediaKeySystemAccessInitializer (isInitDataSupported() (via getSupportedInitDataType()))) 46 // 1 MediaKeySystemAccessInitializer (isInitDataSupported() (via getSupportedInitDataType())))
47 assert_between_inclusive(numActiveDOMObjectsCreated(), 1, 4, 'MediaKeys.create()'); 47 assert_between_inclusive(numSuspendableObjectsCreated(), 1, 4, 'MediaKeys.create()');
48 48
49 mediaKeySession1 = mediaKeys.createSession(); 49 mediaKeySession1 = mediaKeys.createSession();
50 return mediaKeySession1.generateRequest(initDataType, initDa ta); 50 return mediaKeySession1.generateRequest(initDataType, initDa ta);
51 }).then(function() { 51 }).then(function() {
52 assert_true(mediaKeySession1.sessionId && mediaKeySession1.s essionId.length > 0); 52 assert_true(mediaKeySession1.sessionId && mediaKeySession1.s essionId.length > 0);
53 53
54 // Should be 1 MediaKeys + 1 MediaKeySession. 54 // Should be 1 MediaKeys + 1 MediaKeySession.
55 // In non-Oilpan, numActiveDOMObjectsCreate() == 2. 55 // In non-Oilpan, numSuspendableObjectsCreate() == 2.
56 // In Oilpan, numActiveDOMObjectsCreate() <= 6. 56 // In Oilpan, numSuspendableObjectsCreate() <= 6.
57 // (1 MediaKeys, 57 // (1 MediaKeys,
58 // 1 MediaKeysInitializer and 58 // 1 MediaKeysInitializer and
59 // 2 MediaKeySystemAccessInitializer, 59 // 2 MediaKeySystemAccessInitializer,
60 // 1 ContentDecryptionModuleResultPromise and 60 // 1 ContentDecryptionModuleResultPromise and
61 // 1 MediaKeySession). 61 // 1 MediaKeySession).
62 assert_between_inclusive(numActiveDOMObjectsCreated(), 2, 6, 'MediaKeys.createSession(1)'); 62 assert_between_inclusive(numSuspendableObjectsCreated(), 2, 6, 'MediaKeys.createSession(1)');
63 63
64 mediaKeySession2 = mediaKeys.createSession(); 64 mediaKeySession2 = mediaKeys.createSession();
65 return mediaKeySession2.generateRequest(initDataType, initDa ta); 65 return mediaKeySession2.generateRequest(initDataType, initDa ta);
66 }).then(function() { 66 }).then(function() {
67 assert_true(mediaKeySession2.sessionId && mediaKeySession2.s essionId.length > 0); 67 assert_true(mediaKeySession2.sessionId && mediaKeySession2.s essionId.length > 0);
68 68
69 // Should be 1 MediaKeys + 2 MediaKeySessions. 69 // Should be 1 MediaKeys + 2 MediaKeySessions.
70 // In non-Oilpan, numActiveDOMObjectsCreate() == 3. 70 // In non-Oilpan, numSuspendableObjectsCreate() == 3.
71 // In Oilpan, numActiveDOMObjectsCreate() <= 8. 71 // In Oilpan, numSuspendableObjectsCreate() <= 8.
72 // (1 MediaKeys, 72 // (1 MediaKeys,
73 // 1 MediaKeysInitializer and 73 // 1 MediaKeysInitializer and
74 // 2 MediaKeySystemAccessInitializers, 74 // 2 MediaKeySystemAccessInitializers,
75 // 2 ContentDecryptionModuleResultPromise and 75 // 2 ContentDecryptionModuleResultPromise and
76 // 2 MediaKeySession). 76 // 2 MediaKeySession).
77 assert_between_inclusive(numActiveDOMObjectsCreated(), 3, 8, 'mediaKeys.createSession(2)'); 77 assert_between_inclusive(numSuspendableObjectsCreated(), 3, 8, 'mediaKeys.createSession(2)');
78 }).then(function(result) { 78 }).then(function(result) {
79 // Run gc(). All sessions should remain as we have a 79 // Run gc(). All sessions should remain as we have a
80 // reference to each one. 80 // reference to each one.
81 return createGCPromise(); 81 return createGCPromise();
82 }).then(function(result) { 82 }).then(function(result) {
83 // Should be just 1 MediaKeys + 2 MediaKeySessions. 83 // Should be just 1 MediaKeys + 2 MediaKeySessions.
84 // In non-Oilpan, there is also something from createGCPromi se(). 84 // In non-Oilpan, there is also something from createGCPromi se().
85 assert_between_inclusive(numActiveDOMObjectsCreated(), 3, 4, 'After gc()'); 85 assert_between_inclusive(numSuspendableObjectsCreated(), 3, 4, 'After gc()');
86 86
87 // Close the sessions. Once the close() event is received, 87 // Close the sessions. Once the close() event is received,
88 // they should get garbage collected as there are no JS 88 // they should get garbage collected as there are no JS
89 // references to them. 89 // references to them.
90 var promise = mediaKeySession1.close(); 90 var promise = mediaKeySession1.close();
91 mediaKeySession1 = null; 91 mediaKeySession1 = null;
92 return promise; 92 return promise;
93 }).then(function(result) { 93 }).then(function(result) {
94 // Give time so that the close event can be processed by 94 // Give time so that the close event can be processed by
95 // MediaKeySession. 95 // MediaKeySession.
96 return delayToAllowEventProcessingPromise(); 96 return delayToAllowEventProcessingPromise();
97 }).then(function(result) { 97 }).then(function(result) {
98 return createGCPromise(); 98 return createGCPromise();
99 }).then(function(result) { 99 }).then(function(result) {
100 // Only MediaKeys + mediaKeySession2 should remain. 100 // Only MediaKeys + mediaKeySession2 should remain.
101 // In non-Oilpan, there is also something from createGCPromi se(). 101 // In non-Oilpan, there is also something from createGCPromi se().
102 assert_between_inclusive(numActiveDOMObjectsCreated(), 2, 3, 'mediaKeySession1 not collected'); 102 assert_between_inclusive(numSuspendableObjectsCreated(), 2, 3, 'mediaKeySession1 not collected');
103 103
104 var promise = mediaKeySession2.close(); 104 var promise = mediaKeySession2.close();
105 mediaKeySession2 = null; 105 mediaKeySession2 = null;
106 return promise; 106 return promise;
107 }).then(function(result) { 107 }).then(function(result) {
108 // Provide time for the mediaKeySession2 close event to be 108 // Provide time for the mediaKeySession2 close event to be
109 // handled. 109 // handled.
110 return delayToAllowEventProcessingPromise(); 110 return delayToAllowEventProcessingPromise();
111 }).then(function(result) { 111 }).then(function(result) {
112 return createGCPromise(); 112 return createGCPromise();
113 }).then(function(result) { 113 }).then(function(result) {
114 // Only MediaKeys should remain. 114 // Only MediaKeys should remain.
115 // In non-Oilpan, there is also something from createGCPromi se(). 115 // In non-Oilpan, there is also something from createGCPromi se().
116 assert_between_inclusive(numActiveDOMObjectsCreated(), 1, 2, 'mediaKeySession2 not collected'); 116 assert_between_inclusive(numSuspendableObjectsCreated(), 1, 2, 'mediaKeySession2 not collected');
117 117
118 assert_not_equals(mediaKeys, null); 118 assert_not_equals(mediaKeys, null);
119 test.done(); 119 test.done();
120 }).catch(function(error) { 120 }).catch(function(error) {
121 forceTestFailureFromPromise(test, error); 121 forceTestFailureFromPromise(test, error);
122 }); 122 });
123 }, 'MediaKeySession lifetime after release() without references'); 123 }, 'MediaKeySession lifetime after release() without references');
124 </script> 124 </script>
125 </body> 125 </body>
126 </html> 126 </html>
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