| Index: LayoutTests/media/encrypted-media/encrypted-media-lifetime-mediakeysession-release.html
|
| diff --git a/LayoutTests/media/encrypted-media/encrypted-media-lifetime-mediakeysession-release.html b/LayoutTests/media/encrypted-media/encrypted-media-lifetime-mediakeysession-release.html
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..b15fed982031ea48eb32b3cb892d577aaf13090c
|
| --- /dev/null
|
| +++ b/LayoutTests/media/encrypted-media/encrypted-media-lifetime-mediakeysession-release.html
|
| @@ -0,0 +1,76 @@
|
| +<!DOCTYPE html>
|
| +<html>
|
| + <head>
|
| + <title>Test MediaKeySession lifetime</title>
|
| + <script src="../w3c-media-utils.js"></script>
|
| + <script src="../../resources/testharness.js"></script>
|
| + <script src="../../resources/testharnessreport.js"></script>
|
| + <script src="../../resources/gc.js"></script>
|
| + </head>
|
| + <body>
|
| + <div id="log"></div>
|
| + <script>
|
| + // Since MediaKeySession (but not 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 initData = new Uint8Array([0, 1, 2, 3, 4, 5, 6, 7]);
|
| + var startingActiveDOMObjectCount = window.internals.activeDOMObjectCount(document);
|
| +
|
| + function numActiveDOMObjectsCreated()
|
| + {
|
| + return window.internals.activeDOMObjectCount(document) - startingActiveDOMObjectCount;
|
| + }
|
| +
|
| + // Create 2 sessions.
|
| + var mediaKeys = new MediaKeys("org.w3.clearkey");
|
| + var mediaKeySession1 = mediaKeys.createSession('video/webm', initData);
|
| + assert_equals(numActiveDOMObjectsCreated(), 1);
|
| + var mediaKeySession2 = mediaKeys.createSession('video/webm', initData);
|
| + assert_equals(numActiveDOMObjectsCreated(), 2);
|
| + var openSessions = 2;
|
| +
|
| + // Release the sessions. Once the close() event is received,
|
| + // only the JS reference to them keeps them around.
|
| + mediaKeySession1.release();
|
| + waitForEventAndRunStep("close", mediaKeySession1, onClose, test);
|
| + mediaKeySession2.release();
|
| + waitForEventAndRunStep("close", mediaKeySession2, onClose, test);
|
| +
|
| + function onClose(event)
|
| + {
|
| + --openSessions;
|
| + if (openSessions > 0)
|
| + return;
|
| +
|
| + // Delay to give time for close to complete since
|
| + // event.target is a reference to the MediaKeySession.
|
| + setTimeout(finish, 1);
|
| + }
|
| +
|
| + function finish()
|
| + {
|
| + // Since both sessions have been closed, dropping the
|
| + // reference to them from JS will result in the session
|
| + // being garbage-collected.
|
| + assert_equals(openSessions, 0);
|
| + assert_not_equals(mediaKeys, null);
|
| + assert_equals(numActiveDOMObjectsCreated(), 2);
|
| +
|
| + mediaKeySession1 = null;
|
| + gc();
|
| + assert_equals(numActiveDOMObjectsCreated(), 1, "mediaKeySession1 not collected");
|
| +
|
| + mediaKeySession2 = null;
|
| + gc();
|
| + assert_equals(numActiveDOMObjectsCreated(), 0, "mediaKeySession2 not collected");
|
| +
|
| + test.done();
|
| + }
|
| + }, "MediaKeySession lifetime after release()");
|
| + </script>
|
| + </body>
|
| +</html>
|
|
|
Chromium Code Reviews
Issue 209103002:
Add lifetime tests for MediaKeySession (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master