| Index: LayoutTests/media/encrypted-media/encrypted-media-lifetime-mediakeys.html
|
| diff --git a/LayoutTests/media/encrypted-media/encrypted-media-lifetime-mediakeys.html b/LayoutTests/media/encrypted-media/encrypted-media-lifetime-mediakeys.html
|
| index f6548eeca753c24586df8f2afbd40955da6c90cb..ffd3d66a590f73e7c50563b3ae0686fab8d6e9fb 100644
|
| --- a/LayoutTests/media/encrypted-media/encrypted-media-lifetime-mediakeys.html
|
| +++ b/LayoutTests/media/encrypted-media/encrypted-media-lifetime-mediakeys.html
|
| @@ -1,121 +1,126 @@
|
| <!DOCTYPE html>
|
| <html>
|
| - <head>
|
| - <title>Test MediaKeys lifetime</title>
|
| - <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 MediaKeys are not ActiveDOMObjects, it is hard to
|
| - // determine when they are garbage collected. For some tests below
|
| - // a MediaKeySession (which is an ActiveDOMObject) is added so
|
| - // there is something to count.
|
| -
|
| - // MediaKeySessions remain as long as:
|
| - // JavaScript has a reference to it
|
| - // OR (MediaKeys is around AND the session has not received a close() event)
|
| - // In the tests below, we do not close any session nor keep a
|
| - // Javascript reference to any session, so MediaKeySessions remain
|
| - // as long as the associated MediaKeys object is around.
|
| -
|
| - // For this test, simply verify that creating and destroying
|
| - // MediaKeys doesn't crash.
|
| - test(function()
|
| - {
|
| - // Create a MediaKeys object and free immediately.
|
| - var mediaKeys = new MediaKeys("org.w3.clearkey");
|
| - mediaKeys = null;
|
| - gc();
|
| -
|
| - // Create a MediaKeys object and make sure gc doesn't free it
|
| - // as long as we have a reference.
|
| - mediaKeys = new MediaKeys("org.w3.clearkey");
|
| - gc();
|
| - assert_equals(mediaKeys.keySystem, 'org.w3.clearkey');
|
| - mediaKeys = null;
|
| - gc();
|
| -
|
| - }, "MediaKeys lifetime");
|
| -
|
| - // For this test, create a MediaKeySession (which is an
|
| - // ActiveDOMObject) and verify lifetime.
|
| - test(function()
|
| - {
|
| - var mediaKeys;
|
| - 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 a MediaKeys object with a session.
|
| - mediaKeys = new MediaKeys("org.w3.clearkey");
|
| - mediaKeys.createSession("video/webm", initData);
|
| - assert_equals(numActiveDOMObjectsCreated(), 1);
|
| -
|
| - // Run gc(), should not affect MediaKeys object nor the session
|
| - // since we still have a reference to it.
|
| - gc();
|
| - assert_equals(mediaKeys.keySystem, 'org.w3.clearkey');
|
| - assert_equals(numActiveDOMObjectsCreated(), 1);
|
| -
|
| - // Drop reference to the MediaKeys object and run gc again.
|
| - // Object should be collected this time. Since
|
| - // MediaKeySessions remain alive as long as MediaKeys is around,
|
| - // it is possible that gc() checks the MediaKeySession object
|
| - // first, and doesn't collect it since MediaKeys hasn't been
|
| - // collected yet. Thus run gc() twice, to ensure that the
|
| - // unreferenced MediaKeySession object get collected.
|
| - mediaKeys = null;
|
| - gc();
|
| - gc();
|
| - assert_equals(numActiveDOMObjectsCreated(), 0);
|
| -
|
| - }, "MediaKeys lifetime with session");
|
| -
|
| - // For this test, create several MediaKeys (with MediaKeySessions so
|
| - // they can be counted) and verify lifetime.
|
| - test(function()
|
| - {
|
| - var mediaKeys;
|
| - 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 a few MediaKeys objects. Only keep a reference to the
|
| - // last one created.
|
| - for (var i = 0; i < 5; ++i) {
|
| - mediaKeys = new MediaKeys("org.w3.clearkey");
|
| - mediaKeys.createSession("video/webm", initData);
|
| - }
|
| - assert_equals(numActiveDOMObjectsCreated(), 5);
|
| -
|
| - // All but the last one created should be garbage collected.
|
| - // Since MediaKeySessions remain alive as long as MediaKeys is
|
| - // around, it is possible that gc() checks the MediaKeySession
|
| - // object first, and doesn't collect it since MediaKeys hasn't
|
| - // been collected yet. Thus run gc() twice, to ensure that the
|
| - // unreferenced MediaKeySession objects get collected.
|
| - gc();
|
| - gc();
|
| - assert_equals(numActiveDOMObjectsCreated(), 1);
|
| - assert_equals(mediaKeys.keySystem, 'org.w3.clearkey');
|
| -
|
| - // Release the last MediaKeys object created.
|
| - mediaKeys = null;
|
| - gc();
|
| - gc();
|
| - assert_equals(numActiveDOMObjectsCreated(), 0);
|
| - }, "Multiple MediaKeys lifetime");
|
| - </script>
|
| - </body>
|
| +<head>
|
| +<title>Test MediaKeys lifetime</title>
|
| +<script src="../../resources/testharness.js"></script>
|
| +<script src="../../resources/testharnessreport.js"></script>
|
| +<script src="../../resources/js-test.js"></script>
|
| +</head>
|
| +<body>
|
| +<div id="log"></div>
|
| +<script>
|
| +// Since MediaKeys are not ActiveDOMObjects, it is hard to
|
| +// determine when they are garbage collected. For some tests below
|
| +// a MediaKeySession (which is an ActiveDOMObject) is added so
|
| +// there is something to count.
|
| +
|
| +// MediaKeySessions remain as long as:
|
| +// JavaScript has a reference to it
|
| +// OR (MediaKeys is around AND the session has not received a close() event)
|
| +// In the tests below, we do not close any session nor keep a
|
| +// Javascript reference to any session, so MediaKeySessions remain
|
| +// as long as the associated MediaKeys object is around.
|
| +
|
| +var t = async_test("MediaKeys Lifetime");
|
| +t.step(step1);
|
| +
|
| +var mediaKeys;
|
| +var initData;
|
| +var startingActiveDOMObjectCount;
|
| +
|
| +function numActiveDOMObjectsCreated()
|
| +{
|
| + return window.internals.activeDOMObjectCount(document) - startingActiveDOMObjectCount;
|
| +}
|
| +
|
| +// For this test, simply verify that creating and destroying
|
| +// MediaKeys doesn't crash.
|
| +function step1() {
|
| + // Create a MediaKeys object and free immediately.
|
| + mediaKeys = new MediaKeys("org.w3.clearkey");
|
| + mediaKeys = null;
|
| + asyncGC(step2);
|
| +}
|
| +
|
| +function step2() {
|
| + // Create a MediaKeys object and make sure gc doesn't free it
|
| + // as long as we have a reference.
|
| + mediaKeys = new MediaKeys("org.w3.clearkey");
|
| + asyncGC(step3);
|
| +}
|
| +
|
| +function step3() {
|
| + assert_equals(mediaKeys.keySystem, 'org.w3.clearkey');
|
| + mediaKeys = null;
|
| + asyncGC(step4);
|
| +}
|
| +
|
| +// For this test, create a MediaKeySession (which is an
|
| +// ActiveDOMObject) and verify lifetime.
|
| +function step4() {
|
| + initData = new Uint8Array([0, 1, 2, 3, 4, 5, 6, 7]);
|
| + startingActiveDOMObjectCount = window.internals.activeDOMObjectCount(document);
|
| +
|
| + // Create a MediaKeys object with a session.
|
| + mediaKeys = new MediaKeys("org.w3.clearkey");
|
| + mediaKeys.createSession("video/webm", initData);
|
| + assert_equals(numActiveDOMObjectsCreated(), 1);
|
| +
|
| + // Run gc(), should not affect MediaKeys object nor the session
|
| + // since we still have a reference to it.
|
| + gc();
|
| + assert_equals(mediaKeys.keySystem, 'org.w3.clearkey');
|
| + assert_equals(numActiveDOMObjectsCreated(), 1);
|
| +
|
| + // Drop reference to the MediaKeys object and run gc again.
|
| + // Object should be collected this time. Since
|
| + // MediaKeySessions remain alive as long as MediaKeys is around,
|
| + // it is possible that gc() checks the MediaKeySession object
|
| + // first, and doesn't collect it since MediaKeys hasn't been
|
| + // collected yet. Thus run gc() twice, to ensure that the
|
| + // unreferenced MediaKeySession object get collected.
|
| + mediaKeys = null;
|
| + asyncGC(step6);
|
| +}
|
| +
|
| +function step6() {
|
| + assert_equals(numActiveDOMObjectsCreated(), 0);
|
| + asyncGC(step7);
|
| +}
|
| +
|
| +// For this test, create several MediaKeys (with MediaKeySessions so
|
| +// they can be counted) and verify lifetime.
|
| +function step7() {
|
| + initData = new Uint8Array([0, 1, 2, 3, 4, 5, 6, 7]);
|
| + startingActiveDOMObjectCount = window.internals.activeDOMObjectCount(document);
|
| +
|
| + // Create a few MediaKeys objects. Only keep a reference to the
|
| + // last one created.
|
| + for (var i = 0; i < 5; ++i) {
|
| + mediaKeys = new MediaKeys("org.w3.clearkey");
|
| + mediaKeys.createSession("video/webm", initData);
|
| + }
|
| + assert_equals(numActiveDOMObjectsCreated(), 5);
|
| +
|
| + // All but the last one created should be garbage collected.
|
| + // Since MediaKeySessions remain alive as long as MediaKeys is
|
| + // around, it is possible that gc() checks the MediaKeySession
|
| + // object first, and doesn't collect it since MediaKeys hasn't
|
| + // been collected yet. Thus run gc() twice, to ensure that the
|
| + // unreferenced MediaKeySession objects get collected.
|
| + gc();
|
| + assert_equals(numActiveDOMObjectsCreated(), 1);
|
| + assert_equals(mediaKeys.keySystem, 'org.w3.clearkey');
|
| +
|
| + // Release the last MediaKeys object created.
|
| + mediaKeys = null;
|
| + asyncGC(step9);
|
| +}
|
| +
|
| +function step9() {
|
| + assert_equals(numActiveDOMObjectsCreated(), 0);
|
| + t.done();
|
| +}
|
| +</script>
|
| +</body>
|
| </html>
|
|
|