third_party/WebKit/LayoutTests/fast/events/message-channel-listener-circular-ownership.html - Issue 2847943002: Cleanup LayoutTests that define a function gc().

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Issue 2847943002: Cleanup LayoutTests that define a function gc(). (Closed)

Patch Set: Fixing Layout Tests Failures Created 3 years, 7 months ago

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1 <body>	1 <body>

2 <p>Test that a leak is not created by assigning a MessagePort to a property of i ts own listener.</p>	2 <p>Test that a leak is not created by assigning a MessagePort to a property of i ts own listener.</p>

3 <p>Only works with run-webkit-tests --leaks.</p>	3 <p>Only works with run-webkit-tests --leaks.</p>

4 <pre id=log></pre>	4 <pre id=log></pre>

	5 <script src="../../resources/gc.js"></script>

5 <script>	6 <script>

6 function gc()

7 {

8 if (window.GCController)

9 return GCController.collect();

10

11 for (var i = 0; i < 10000; i++) { // > force garbage collection (FF requires about 9K allocations before a collect)

12 var s = new String("abc");

13 }

14 }

15	7

16 if (window.testRunner)	8 if (window.testRunner)

17 testRunner.dumpAsText();	9 testRunner.dumpAsText();

18	10

19 var channel = new MessageChannel;	11 var channel = new MessageChannel;

20	12

21 channel.port1.onclose = function() {}	13 channel.port1.onclose = function() {}

22	14

23 channel.port1.onclose.foo = channel;	15 channel.port1.onclose.foo = channel;

24 channel.port1.onclose.bar = channel.port1;	16 channel.port1.onclose.bar = channel.port1;

25 channel.port1.onclose.baz = channel.port2;	17 channel.port1.onclose.baz = channel.port2;

26	18

27 channel = null;	19 channel = null;

28 gc();	20 gc();

29 </script>	21 </script>

30 </body>	22 </body>

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