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| 1 <!DOCTYPE html> | 1 <!DOCTYPE html> |
| 2 <html> | 2 <html> |
| 3 <head> | 3 <head> |
| 4 <title>MediaKeySession lifetime after release()</title> | 4 <title>MediaKeySession lifetime after release()</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 async_test(function(test) | 15 promise_test(function(test) |
| 16 { | 16 { |
| 17 gc(); | |
| 18 var mediaKeys; | 17 var mediaKeys; |
| 19 var mediaKeySession1; | 18 var mediaKeySession1; |
| 20 var mediaKeySession2; | 19 var mediaKeySession2; |
| 21 var initDataType; | 20 var initDataType; |
| 22 var initData; | 21 var initData; |
| 23 var startingMediaKeysCount = window.internals.mediaKeysCount(); | |
| 24 var startingMediaKeySessionCount = window.internals.mediaKeySess
ionCount(); | |
| 25 | |
| 26 function numMediaKeysCreated() | |
| 27 { | |
| 28 return window.internals.mediaKeysCount() - startingMediaKeys
Count; | |
| 29 } | |
| 30 | |
| 31 function numMediaKeySessionCreated() | |
| 32 { | |
| 33 return window.internals.mediaKeySessionCount() - startingMed
iaKeySessionCount; | |
| 34 } | |
| 35 | 22 |
| 36 // Create 2 sessions. | 23 // Create 2 sessions. |
| 37 navigator.requestMediaKeySystemAccess('org.w3.clearkey', getSimp
leConfiguration()).then(function(access) { | 24 return createGCPromise().then(function() { |
| 25 assert_equals(window.internals.mediaKeysCount(), 0, 'After i
nitial gc()'); |
| 26 assert_equals(window.internals.mediaKeySessionCount(), 0, 'A
fter initial gc()'); |
| 27 |
| 28 return navigator.requestMediaKeySystemAccess('org.w3.clearke
y', getSimpleConfiguration()); |
| 29 }).then(function(access) { |
| 38 initDataType = access.getConfiguration().initDataTypes[0]; | 30 initDataType = access.getConfiguration().initDataTypes[0]; |
| 39 initData = getInitData(initDataType); | 31 initData = getInitData(initDataType); |
| 40 return access.createMediaKeys(); | 32 return access.createMediaKeys(); |
| 41 }).then(function(result) { | 33 }).then(function(result) { |
| 42 mediaKeys = result; | 34 mediaKeys = result; |
| 43 | 35 |
| 44 assert_equals(numMediaKeysCreated(), 1, 'MediaKeys.create()'
); | 36 assert_equals(window.internals.mediaKeysCount(), 1, 'MediaKe
ys.create()'); |
| 45 assert_equals(numMediaKeySessionCreated(), 0, 'MediaKeys.cre
ate()'); | 37 assert_equals(window.internals.mediaKeySessionCount(), 0, 'M
ediaKeys.create()'); |
| 46 | 38 |
| 47 mediaKeySession1 = mediaKeys.createSession(); | 39 mediaKeySession1 = mediaKeys.createSession(); |
| 48 return mediaKeySession1.generateRequest(initDataType, initDa
ta); | 40 return mediaKeySession1.generateRequest(initDataType, initDa
ta); |
| 49 }).then(function() { | 41 }).then(function() { |
| 50 assert_equals(numMediaKeysCreated(), 1, 'MediaKeys.createSes
sion(1)'); | 42 assert_equals(window.internals.mediaKeysCount(), 1, 'MediaKe
ys.createSession(1)'); |
| 51 assert_equals(numMediaKeySessionCreated(), 1, 'MediaKeys.cre
ateSession(1)'); | 43 assert_equals(window.internals.mediaKeySessionCount(), 1, 'M
ediaKeys.createSession(1)'); |
| 52 | 44 |
| 53 mediaKeySession2 = mediaKeys.createSession(); | 45 mediaKeySession2 = mediaKeys.createSession(); |
| 54 return mediaKeySession2.generateRequest(initDataType, initDa
ta); | 46 return mediaKeySession2.generateRequest(initDataType, initDa
ta); |
| 55 }).then(function() { | 47 }).then(function() { |
| 56 assert_equals(numMediaKeysCreated(), 1, 'mediaKeys.createSes
sion(2)'); | 48 assert_equals(window.internals.mediaKeysCount(), 1, 'mediaKe
ys.createSession(2)'); |
| 57 assert_equals(numMediaKeySessionCreated(), 2, 'mediaKeys.cre
ateSession(2)'); | 49 assert_equals(window.internals.mediaKeySessionCount(), 2, 'm
ediaKeys.createSession(2)'); |
| 58 | 50 |
| 59 // Close the sessions. Once completed, only the JS | 51 // Close the sessions. Once completed, only the JS |
| 60 // reference to them keeps them around. | 52 // reference to them keeps them around. |
| 61 return mediaKeySession1.close(); | 53 return mediaKeySession1.close(); |
| 62 }).then(function(result) { | 54 }).then(function(result) { |
| 63 return mediaKeySession2.close(); | 55 return mediaKeySession2.close(); |
| 64 }).then(function(result) { | 56 }).then(function(result) { |
| 65 // Since both sessions have been closed, dropping the | 57 // Since both sessions have been closed, dropping the |
| 66 // reference to them from JS will result in the session | 58 // reference to them from JS will result in the session |
| 67 // being garbage-collected. | 59 // being garbage-collected. |
| 68 assert_equals(numMediaKeysCreated(), 1, 'after close'); | 60 assert_equals(window.internals.mediaKeysCount(), 1, 'after c
lose'); |
| 69 assert_equals(numMediaKeySessionCreated(), 2, 'after close')
; | 61 assert_equals(window.internals.mediaKeySessionCount(), 2, 'a
fter close'); |
| 70 | 62 |
| 71 mediaKeySession1 = null; | 63 mediaKeySession1 = null; |
| 72 return createGCPromise(); | 64 return createGCPromise(); |
| 73 }).then(function() { | 65 }).then(function() { |
| 74 assert_equals(numMediaKeysCreated(), 1, 'mediaKeySession1 no
t collected'); | 66 assert_equals(window.internals.mediaKeysCount(), 1, 'mediaKe
ySession1 not collected'); |
| 75 assert_equals(numMediaKeySessionCreated(), 1, 'mediaKeySessi
on1 not collected'); | 67 assert_equals(window.internals.mediaKeySessionCount(), 1, 'm
ediaKeySession1 not collected'); |
| 76 | 68 |
| 77 mediaKeySession2 = null; | 69 mediaKeySession2 = null; |
| 78 return createGCPromise(); | 70 return createGCPromise(); |
| 79 }).then(function() { | 71 }).then(function() { |
| 80 assert_equals(numMediaKeysCreated(), 1, 'mediaKeySession2 no
t collected'); | 72 assert_equals(window.internals.mediaKeysCount(), 1, 'mediaKe
ySession2 not collected'); |
| 81 assert_equals(numMediaKeySessionCreated(), 0, 'mediaKeySessi
on2 not collected'); | 73 assert_equals(window.internals.mediaKeySessionCount(), 0, 'm
ediaKeySession2 not collected'); |
| 82 test.done(); | |
| 83 }).catch(function(error) { | |
| 84 forceTestFailureFromPromise(test, error); | |
| 85 }); | 74 }); |
| 86 }, 'MediaKeySession lifetime after release()'); | 75 }, 'MediaKeySession lifetime after release()'); |
| 87 </script> | 76 </script> |
| 88 </body> | 77 </body> |
| 89 </html> | 78 </html> |
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