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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 <script> | 10 <script> |
| 11 // MediaKeySessions remain as long as: | 11 // MediaKeySessions remain as long as: |
| 12 // JavaScript has a reference to it | 12 // JavaScript has a reference to it |
| 13 // OR (MediaKeys is around | 13 // OR (MediaKeys is around |
| 14 // AND the session has not received a close() event) | 14 // AND the session has not received a close() event) |
| 15 // In the tests below, we do not close any session nor keep a | 15 // In the tests below, we do not close any session nor keep a |
| 16 // Javascript reference to any session, so MediaKeySessions remain | 16 // Javascript reference to any session, so MediaKeySessions remain |
| 17 // as long as the associated MediaKeys object is around. | 17 // as long as the associated MediaKeys object is around. |
| 18 | 18 |
| 19 // For this test, create a MediaKeySession and verify lifetime. | 19 // For this test, create a MediaKeySession and verify lifetime. |
| 20 async_test(function(test) | 20 promise_test(function(test) |
| 21 { | 21 { |
| 22 gc(); | |
| 23 var initDataType; | 22 var initDataType; |
| 24 var initData; | 23 var initData; |
| 25 var mediaKeys; | 24 var mediaKeys; |
| 26 var startingMediaKeysCount = window.internals.mediaKeysCount(); | |
| 27 var startingMediaKeySessionCount = window.internals.mediaKeySess
ionCount(); | |
| 28 | 25 |
| 29 function numMediaKeysCreated() | 26 // Even though there should be no existing objects, start by |
| 30 { | 27 // running gc() and verifying that none exist. This also |
| 31 return window.internals.mediaKeysCount() - startingMediaKeys
Count; | 28 // allows the failures to be reported from inside a promise |
| 32 } | 29 // so that the test fails properly. |
| 30 return createGCPromise().then(function() { |
| 31 verifyMediaKeyAndMediaKeySessionCount(0, 0, 'After initial g
c()'); |
| 33 | 32 |
| 34 function numMediaKeySessionCreated() | 33 // Create a MediaKeys object with a session. |
| 35 { | 34 return navigator.requestMediaKeySystemAccess('org.w3.clearke
y', getSimpleConfiguration()); |
| 36 return window.internals.mediaKeySessionCount() - startingMed
iaKeySessionCount; | 35 }).then(function(access) { |
| 37 } | |
| 38 | |
| 39 // Create a MediaKeys object with a session. | |
| 40 navigator.requestMediaKeySystemAccess('org.w3.clearkey', getSimp
leConfiguration()).then(function(access) { | |
| 41 initDataType = access.getConfiguration().initDataTypes[0]; | 36 initDataType = access.getConfiguration().initDataTypes[0]; |
| 42 initData = getInitData(initDataType); | 37 initData = getInitData(initDataType); |
| 43 return access.createMediaKeys(); | 38 return access.createMediaKeys(); |
| 44 }).then(function(result) { | 39 }).then(function(result) { |
| 45 mediaKeys = result; | 40 mediaKeys = result; |
| 46 | 41 verifyMediaKeyAndMediaKeySessionCount(1, 0, 'MediaKeys.creat
e()'); |
| 47 assert_equals(numMediaKeysCreated(), 1, 'MediaKeys.create()'
); | |
| 48 assert_equals(numMediaKeySessionCreated(), 0, 'After final g
c()'); | |
| 49 | 42 |
| 50 var mediaKeySession = mediaKeys.createSession(); | 43 var mediaKeySession = mediaKeys.createSession(); |
| 51 return mediaKeySession.generateRequest(initDataType, initDat
a); | 44 return mediaKeySession.generateRequest(initDataType, initDat
a); |
| 52 }).then(function() { | 45 }).then(function() { |
| 53 assert_equals(numMediaKeysCreated(), 1, 'MediaKeys.createSes
sion()'); | 46 verifyMediaKeyAndMediaKeySessionCount(1, 1, 'MediaKeys.creat
eSession()'); |
| 54 assert_equals(numMediaKeySessionCreated(), 1, 'MediaKeys.cre
ateSession()'); | |
| 55 | 47 |
| 56 // Run gc(), should not affect MediaKeys object nor the | 48 // Run gc(), should not affect MediaKeys object nor the |
| 57 // session since we still have a reference to it. | 49 // session since we still have a reference to it. |
| 58 | |
| 59 // When enabling oilpan GC, the in-active | |
| 60 // ScriptPromiseResolvers will be destroyed. | |
| 61 return createGCPromise(); | 50 return createGCPromise(); |
| 62 }).then(function(result) { | 51 }).then(function(result) { |
| 63 assert_equals(typeof mediaKeys.createSession, 'function'); | 52 assert_equals(typeof mediaKeys.createSession, 'function'); |
| 64 | 53 verifyMediaKeyAndMediaKeySessionCount(1, 1, 'After gc()'); |
| 65 assert_equals(numMediaKeysCreated(), 1, 'After gc()'); | |
| 66 assert_equals(numMediaKeySessionCreated(), 1, 'After gc()'); | |
| 67 | 54 |
| 68 // Drop reference to the MediaKeys object and run gc() | 55 // Drop reference to the MediaKeys object and run gc() |
| 69 // again. Object should be collected this time. Since | 56 // again. Object should be collected this time. Since |
| 70 // MediaKeySessions remain alive as long as MediaKeys is | 57 // MediaKeySessions remain alive as long as MediaKeys is |
| 71 // around, it is possible that gc() checks the | 58 // around, it is possible that gc() checks the |
| 72 // MediaKeySession object first, and doesn't collect it | 59 // MediaKeySession object first, and doesn't collect it |
| 73 // since MediaKeys hasn't been collected yet. Thus run gc() | 60 // since MediaKeys hasn't been collected yet. Thus run gc() |
| 74 // twice, to ensure that the unreferenced MediaKeySession | 61 // twice, to ensure that the unreferenced MediaKeySession |
| 75 // object get collected. | 62 // object get collected. |
| 76 mediaKeys = null; | 63 mediaKeys = null; |
| 77 return createGCPromise(); | 64 return createGCPromise(); |
| 78 }).then(function(result) { | 65 }).then(function(result) { |
| 79 return createGCPromise(); | 66 return createGCPromise(); |
| 80 }).then(function(result) { | 67 }).then(function(result) { |
| 81 assert_equals(numMediaKeysCreated(), 0, 'After final gc()'); | 68 verifyMediaKeyAndMediaKeySessionCount(0, 0, 'After final gc(
)'); |
| 82 assert_equals(numMediaKeySessionCreated(), 0, 'After final g
c()'); | |
| 83 | |
| 84 test.done(); | |
| 85 }).catch(function(error) { | |
| 86 forceTestFailureFromPromise(test, error); | |
| 87 }); | 69 }); |
| 88 }, 'MediaKeys lifetime with session'); | 70 }, 'MediaKeys lifetime with session'); |
| 89 </script> | 71 </script> |
| 90 </body> | 72 </body> |
| 91 </html> | 73 </html> |
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Chromium Code Reviews
Issue 2618603002:
[eme] Convert lifetime tests to promise_tests (Closed)
