LayoutTests/media/encrypted-media/encrypted-media-many-mediakeys.html - Issue 180203002: Add EME content test that forces garbage collection

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Issue 180203002: Add EME content test that forces garbage collection (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master

Patch Set: Created 6 years, 10 months ago

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	1 <!DOCTYPE html>

	2 <html>

	3 <head>

	4 <title>ManyMediaKeys</title>

	5 <script src=../video-test.js></script>

	6 <script>

	7 var mediaKeys;

	8 var mediaKeys2;

	9

	10 function runTest()

	11 {

	12 consoleWrite("Test Many MediaKeys.");

	13 findMediaElement();

	14 testExpected('video', null, '!=');

	15 testExpected('video.mediaKeys', null);

	16 testExpected('typeof video.setMediaKeys', 'function');

	17

	18 consoleWrite("Create a pair of MediaKeys object and run gc.");

	19 run('mediaKeys = new MediaKeys("org.w3.clearkey")');

	20 run('mediaKeys2 = new MediaKeys("org.w3.clearkey")');

	21 run('forceGC()');

	22 testExpected('mediaKeys', null, '!=');

	23 testExpected('mediaKeys.keySystem', 'org.w3.clearkey');

	24 testExpected('mediaKeys2', null, '!=');

	25 testExpected('mediaKeys2.keySystem', 'org.w3.clearkey');

	26

	27 consoleWrite("Drop references to the MediaKeys object and run gc .");

	28 run('mediaKeys = null');

	29 run('mediaKeys2 = null');

	30 run('forceGC()');

	31
	xhwang 2014/02/25 19:02:03 What do we expect here? Can we testExpected('med What do we expect here? Can we testExpected('mediaKeys', null, '=='); and testExpected('mediaKeys2', null, '=='); ? xhwang 2014/02/25 19:03:12 hmm, sorry. I meant how can we make sure mediaKeys Show quoted text On 2014/02/25 19:02:03, xhwang wrote: > What do we expect here? Can we > > testExpected('mediaKeys', null, '=='); > > and > > testExpected('mediaKeys2', null, '=='); > > ? hmm, sorry. I meant how can we make sure mediaKeys is garbage collected? Maybe we can't.... jrummell 2014/02/25 19:55:08 I don't know of anyway to verify that gc actually Show quoted text On 2014/02/25 19:03:12, xhwang wrote: > On 2014/02/25 19:02:03, xhwang wrote: > > What do we expect here? Can we > > > > testExpected('mediaKeys', null, '=='); > > > > and > > > > testExpected('mediaKeys2', null, '=='); > > > > ? > > hmm, sorry. I meant how can we make sure mediaKeys is garbage collected? Maybe > we can't.... I don't know of anyway to verify that gc actually got rid of them automatically. I can see the destructors run when executing locally.
	32 consoleWrite("Create 100 MediaKeys objects and run gc.");

	33 for(var i=0; i<100; ++i)

	34 run('mediaKeys = new MediaKeys("org.w3.clearkey")');
	xhwang 2014/02/25 19:02:03 What's the purpose of creating 100 MediaKeys here? What's the purpose of creating 100 MediaKeys here? jrummell 2014/02/25 19:55:08 Simply creating a "large" number of objects. 100 i Show quoted text On 2014/02/25 19:02:03, xhwang wrote: > What's the purpose of creating 100 MediaKeys here? Simply creating a "large" number of objects. 100 is an arbitrary "large" number.
	35 run('forceGC()');

	36 testExpected('mediaKeys', null, '!=');

	37 testExpected('mediaKeys.keySystem', 'org.w3.clearkey');

	38 endTest();

	39 }

	40 </script>

	41 </head>

	42 <body onload="runTest()">

	43 <p>This tests creating many MediaKeys objects.</p>

	44 <video id="video"></video>

	45 </body>

	46 </html>

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