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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> |
| 11 <script> | 11 <script> |
| 12 // Since MediaKeys are not ActiveDOMObjects, it is hard to | 12 // Since MediaKeys are not ActiveDOMObjects, it is hard to |
| 13 // determine when they are garbage collected. For the test below | 13 // determine when they are garbage collected. For the test below |
| 14 // a MediaKeySession (which is an ActiveDOMObject) is added so | 14 // a MediaKeySession (which is an ActiveDOMObject) is added so |
| 15 // there is something to count. | 15 // there is something to count. |
| 16 | 16 |
| 17 // MediaKeySessions remain as long as: | 17 // MediaKeySessions remain as long as: |
| 18 // JavaScript has a reference to it | 18 // JavaScript has a reference to it |
| 19 // OR (MediaKeys is around | 19 // OR (MediaKeys is around |
| 20 // AND the session has not received a close() event) | 20 // AND the session has not received a close() event) |
| 21 // In the tests below, we do not close any session nor keep a | 21 // In the tests below, we do not close any session nor keep a |
| 22 // Javascript reference to any session, so MediaKeySessions remain | 22 // Javascript reference to any session, so MediaKeySessions remain |
| 23 // as long as the associated MediaKeys object is around. | 23 // as long as the associated MediaKeys object is around. |
| 24 | 24 |
| 25 // For this test, create a MediaKeySession (which is an | 25 // For this test, create a MediaKeySession (which is an |
| 26 // ActiveDOMObject) and verify lifetime. | 26 // ActiveDOMObject) and verify lifetime. |
| 27 async_test(function(test) | 27 async_test(function(test) |
| 28 { | 28 { |
| 29 var initDataType; |
| 30 var initData; |
| 29 var mediaKeys; | 31 var mediaKeys; |
| 30 var startingActiveDOMObjectCount = window.internals.activeDOMObj
ectCount(document); | 32 var startingActiveDOMObjectCount = window.internals.activeDOMObj
ectCount(document); |
| 31 | 33 |
| 32 function numActiveDOMObjectsCreated() | 34 function numActiveDOMObjectsCreated() |
| 33 { | 35 { |
| 34 return window.internals.activeDOMObjectCount(document) - sta
rtingActiveDOMObjectCount; | 36 return window.internals.activeDOMObjectCount(document) - sta
rtingActiveDOMObjectCount; |
| 35 } | 37 } |
| 36 | 38 |
| 37 // Create a MediaKeys object with a session. | 39 // Create a MediaKeys object with a session. |
| 38 navigator.requestMediaKeySystemAccess('org.w3.clearkey', [{}]).t
hen(function(access) { | 40 getSupportedInitDataType().then(function(type) { |
| 41 initDataType = type; |
| 42 initData = getInitData(initDataType); |
| 43 return navigator.requestMediaKeySystemAccess('org.w3.clearke
y', [{}]); |
| 44 }).then(function(access) { |
| 39 assert_equals(access.keySystem, 'org.w3.clearkey'); | 45 assert_equals(access.keySystem, 'org.w3.clearkey'); |
| 40 return access.createMediaKeys(); | 46 return access.createMediaKeys(); |
| 41 }).then(function(result) { | 47 }).then(function(result) { |
| 42 mediaKeys = result; | 48 mediaKeys = result; |
| 43 | 49 |
| 44 // Verify MediaKeys are not an ActiveDOMObject. | 50 // Verify MediaKeys are not an ActiveDOMObject. |
| 45 // In non-Oilpan, numActiveDOMObjectsCreate() == 0. | 51 // In non-Oilpan, numActiveDOMObjectsCreate() == 0. |
| 46 // In Oilpan, numActiveDOMObjectsCreate() <= 2. | 52 // In Oilpan, numActiveDOMObjectsCreate() <= 2. |
| 47 // (1 MediaKeysInitializer and | 53 // (1 MediaKeysInitializer and |
| 48 // 1 MediaKeySystemAccessInitializer). | 54 // 1 MediaKeySystemAccessInitializer). |
| 49 assert_less_than_equal(numActiveDOMObjectsCreated(), 2, 'Med
iaKeys.create()'); | 55 assert_less_than_equal(numActiveDOMObjectsCreated(), 2, 'Med
iaKeys.create()'); |
| 50 | 56 |
| 51 var initDataType = getInitDataType(); | |
| 52 var mediaKeySession = mediaKeys.createSession(); | 57 var mediaKeySession = mediaKeys.createSession(); |
| 53 return mediaKeySession.generateRequest(initDataType, getInit
Data(initDataType)); | 58 return mediaKeySession.generateRequest(initDataType, initDat
a); |
| 54 }).then(function() { | 59 }).then(function() { |
| 55 // 1 MediaKeySession. | 60 // 1 MediaKeySession. |
| 56 // In non-Oilpan, numActiveDOMObjectsCreate() == 1. | 61 // In non-Oilpan, numActiveDOMObjectsCreate() == 1. |
| 57 // In Oilpan, numActiveDOMObjectsCreate() <= 4. | 62 // In Oilpan, numActiveDOMObjectsCreate() <= 4. |
| 58 // (1 MediaKeysInitializer, | 63 // (1 MediaKeysInitializer, |
| 59 // 1 MediaKeySystemAccessInitializer, | 64 // 1 MediaKeySystemAccessInitializer, |
| 60 // 1 ContentDecryptionModuleResultPromise and | 65 // 1 ContentDecryptionModuleResultPromise and |
| 61 // 1 MediaKeySession). | 66 // 1 MediaKeySession). |
| 62 assert_less_than_equal(numActiveDOMObjectsCreated(), 4, 'Med
iaKeys.createSession(1)'); | 67 assert_less_than_equal(numActiveDOMObjectsCreated(), 4, 'Med
iaKeys.createSession(1)'); |
| 63 | 68 |
| (...skipping 24 matching lines...) Expand all Loading... |
| 88 }).then(function(result) { | 93 }).then(function(result) { |
| 89 assert_less_than_equal(numActiveDOMObjectsCreated(), 1); | 94 assert_less_than_equal(numActiveDOMObjectsCreated(), 1); |
| 90 test.done(); | 95 test.done(); |
| 91 }).catch(function(error) { | 96 }).catch(function(error) { |
| 92 forceTestFailureFromPromise(test, error); | 97 forceTestFailureFromPromise(test, error); |
| 93 }); | 98 }); |
| 94 }, 'MediaKeys lifetime with session'); | 99 }, 'MediaKeys lifetime with session'); |
| 95 </script> | 100 </script> |
| 96 </body> | 101 </body> |
| 97 </html> | 102 </html> |
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Chromium Code Reviews
Issue 1004843003:
Use requestMediaKeySystemAccess() to check type support in EME layout tests (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master