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Diffstat (limited to 'testing/web-platform/tests/encrypted-media/Google/chromium_specific_disabled/encrypted-media-lifetime-mediakeysession-reference.html')
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diff --git a/testing/web-platform/tests/encrypted-media/Google/chromium_specific_disabled/encrypted-media-lifetime-mediakeysession-reference.html b/testing/web-platform/tests/encrypted-media/Google/chromium_specific_disabled/encrypted-media-lifetime-mediakeysession-reference.html new file mode 100644 index 000000000..4b8ad1b46 --- /dev/null +++ b/testing/web-platform/tests/encrypted-media/Google/chromium_specific_disabled/encrypted-media-lifetime-mediakeysession-reference.html @@ -0,0 +1,157 @@ +<!DOCTYPE html> +<!-- Copyright © 2016 Chromium authors and World Wide Web Consortium, (Massachusetts Institute of Technology, ERCIM, Keio University, Beihang). --> +<html> + <head> + <title>Test MediaKeySession lifetime without release()</title> + <script src="encrypted-media-utils.js"></script> +<!-- + Test requires Chromium specific content and is being disabled. + <script src="/resources/testharness.js"></script> + <script src="/resources/testharnessreport.js"></script> +--> + </head> + <body> + <div id="log"></div> + <script> + // Since MediaKeySession (and MediaKeys) are ActiveDOMObjects, + // we can determine when they are garbage collected. + // MediaKeySessions remain as long as: + // JavaScript has a reference to it + // OR (MediaKeys is around + // AND the session has not received a close() event) + + async_test(function(test) + { + var mediaKeys; + var mediaKeySession1; + var mediaKeySession2; + var mediaKeySession3; + var initDataType; + var initData; + var startingActiveDOMObjectCount = window.internals.activeDOMObjectCount(document); + + function numActiveDOMObjectsCreated() + { + return window.internals.activeDOMObjectCount(document) - startingActiveDOMObjectCount; + } + + 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; + assert_equals(typeof mediaKeys.createSession, 'function'); + + // Verify MediaKeys is an ActiveDOMObject. + // In non-Oilpan, numActiveDOMObjectsCreate() == 1. + // In Oilpan, numActiveDOMObjectsCreate() <= 4. + // (1 MediaKeys, + // 1 MediaKeysInitializer and + // 1 MediaKeySystemAccessInitializer (navigator.requestMediaKeySystemAccess() use above), + // 1 MediaKeySystemAccessInitializer (isInitDataSupported() (via getSupportedInitDataType()))) + assert_between_inclusive(numActiveDOMObjectsCreated(), 1, 4, 'MediaKeys.create()'); + + // Create 3 sessions. + mediaKeySession1 = mediaKeys.createSession(); + return mediaKeySession1.generateRequest(initDataType, initData); + }).then(function() { + assert_true(mediaKeySession1.sessionId && mediaKeySession1.sessionId.length > 0); + + // Should be 1 MediaKeys + 1 MediaKeySession. + // In non-Oilpan, numActiveDOMObjectsCreate() == 2. + // In Oilpan, numActiveDOMObjectsCreate() <= 6. + // (1 MediaKeys, + // 1 MediaKeysInitializer and + // 2 MediaKeySystemAccessInitializer, + // 1 ContentDecryptionModuleResultPromise and + // 1 MediaKeySession). + assert_between_inclusive(numActiveDOMObjectsCreated(), 2, 6, 'MediaKeys.createSession(1)'); + + mediaKeySession2 = mediaKeys.createSession(); + return mediaKeySession2.generateRequest(initDataType, initData); + }).then(function() { + assert_true(mediaKeySession2.sessionId && mediaKeySession2.sessionId.length > 0); + + // Should be 1 MediaKeys + 2 MediaKeySessions. + // In non-Oilpan, numActiveDOMObjectsCreate() == 3. + // In Oilpan, numActiveDOMObjectsCreate() <= 8. + // (1 MediaKeys, + // 1 MediaKeysInitializer and + // 2 MediaKeySystemAccessInitializers, + // 2 ContentDecryptionModuleResultPromise and + // 2 MediaKeySession). + assert_between_inclusive(numActiveDOMObjectsCreated(), 3, 8, 'mediaKeys.createSession(2)'); + + mediaKeySession3 = mediaKeys.createSession(); + return mediaKeySession3.generateRequest(initDataType, initData); + }).then(function() { + assert_true(mediaKeySession3.sessionId && mediaKeySession3.sessionId.length > 0); + + // Should be 1 MediaKeys + 3 MediaKeySessions. + // In non-Oilpan, numActiveDOMObjectsCreate() == 4. + // In Oilpan, numActiveDOMObjectsCreate() <= 10. + // (1 MediaKeys, + // 1 MediaKeysInitializer and + // 2 MediaKeySystemAccessInitializers, + // 3 ContentDecryptionModuleResultPromise and + // 3 MediaKeySession). + assert_between_inclusive(numActiveDOMObjectsCreated(), 4, 10, 'mediaKeys.createSession(3)'); + + // Run gc(). All sessions should remain as we have a + // reference to each one. However, running gc() + // asynchronously should free up the last PromiseResolver. + return createGCPromise(); + }).then(function(result) { + // Only MediaKeys + 3 MediaKeySessions should remain. + // In non-Oilpan, there is also something from createGCPromise(). + assert_between_inclusive(numActiveDOMObjectsCreated(), 4, 5, 'After gc()'); + + // Now drop references to 2 of the sessions. Even though we + // don't have a reference, MediaKeys is still around (and + // the sessions aren't closed), so the objects won't be + // collected. + mediaKeySession1 = null; + mediaKeySession2 = null; + return createGCPromise(); + }).then(function(result) { + return createGCPromise(); + }).then(function(result) { + // MediaKeys + 3 MediaKeySessions should remain. + // In non-Oilpan, there is also something from createGCPromise(). + assert_between_inclusive(numActiveDOMObjectsCreated(), 4, 5, 'After second gc()'); + + // Now drop the reference to MediaKeys. It and the 2 + // unreferenced sessions should be collected. Since + // MediaKeySessions remain alive as long as MediaKeys is + // around, it is possible that gc() checks one or both + // MediaKeySession objects first, and doesn't collect them + // since MediaKeys hasn't been collected yet. Thus run gc() + // twice, to ensure that the unreferenced MediaKeySession + // objects get collected. + mediaKeys = null; + return createGCPromise(); + }).then(function(result) { + return createGCPromise(); + }).then(function(result) { + // Only 1 MediaKeySessions should remain. + // In non-Oilpan, there is also something from createGCPromise(). + assert_between_inclusive(numActiveDOMObjectsCreated(), 1, 2, 'After mediaKeys = null'); + + // Drop the reference to the last session. It should get + // collected now since MediaKeys is gone. + mediaKeySession3 = null; + return createGCPromise(); + }).then(function(result) { + // No MediaKeySessions should remain. + // In non-Oilpan, there is also something from createGCPromise(). + assert_between_inclusive(numActiveDOMObjectsCreated(), 0, 1, 'After final gc()'); + + test.done(); + }).catch(function(error) { + forceTestFailureFromPromise(test, error); + }); + }, 'MediaKeySession lifetime without release()'); + </script> + </body> +</html> |