| <!DOCTYPE html> |
| <html> |
| <head> |
| <title>MediaKeySession lifetime after release()</title> |
| <script src="encrypted-media-utils.js"></script> |
| <script src="../../resources/testharness.js"></script> |
| <script src="../../resources/testharnessreport.js"></script> |
| </head> |
| <body> |
| <script> |
| // MediaKeySessions remain as long as: |
| // JavaScript has a reference to it |
| // OR (MediaKeys is around |
| // AND the session has not received a close() event) |
| promise_test(function(test) |
| { |
| var mediaKeys; |
| var mediaKeySession1; |
| var mediaKeySession2; |
| var initDataType; |
| var initData; |
| |
| // Create 2 sessions. |
| // Even though there should be no existing objects, start by |
| // running gc() and verifying that none exist. This also |
| // allows the failures to be reported from inside a promise |
| // so that the test fails properly. |
| return createGCPromise().then(function() { |
| verifyMediaKeyAndMediaKeySessionCount(0, 0, 'After initial gc()'); |
| |
| return navigator.requestMediaKeySystemAccess('org.w3.clearkey', getSimpleConfiguration()); |
| }).then(function(access) { |
| initDataType = access.getConfiguration().initDataTypes[0]; |
| initData = getInitData(initDataType); |
| return access.createMediaKeys(); |
| }).then(function(result) { |
| mediaKeys = result; |
| verifyMediaKeyAndMediaKeySessionCount(1, 0, 'MediaKeys.create()'); |
| |
| mediaKeySession1 = mediaKeys.createSession(); |
| return mediaKeySession1.generateRequest(initDataType, initData); |
| }).then(function() { |
| verifyMediaKeyAndMediaKeySessionCount(1, 1, 'MediaKeys.createSession(1)'); |
| |
| mediaKeySession2 = mediaKeys.createSession(); |
| return mediaKeySession2.generateRequest(initDataType, initData); |
| }).then(function() { |
| verifyMediaKeyAndMediaKeySessionCount(1, 2, 'mediaKeys.createSession(2)'); |
| |
| // Close the sessions. Once completed, only the JS |
| // reference to them keeps them around. |
| return mediaKeySession1.close(); |
| }).then(function(result) { |
| return mediaKeySession2.close(); |
| }).then(function(result) { |
| // Since both sessions have been closed, dropping the |
| // reference to them from JS will result in the session |
| // being garbage-collected. |
| verifyMediaKeyAndMediaKeySessionCount(1, 2, 'after close'); |
| |
| mediaKeySession1 = null; |
| return createGCPromise(); |
| }).then(function() { |
| verifyMediaKeyAndMediaKeySessionCount(1, 1, 'mediaKeySession1 not collected'); |
| |
| mediaKeySession2 = null; |
| return createGCPromise(); |
| }).then(function() { |
| verifyMediaKeyAndMediaKeySessionCount(1, 0, 'mediaKeySession2 not collected'); |
| }); |
| }, 'MediaKeySession lifetime after release()'); |
| </script> |
| </body> |
| </html> |
