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1 <!DOCTYPE html> | 1 <!DOCTYPE html> |
2 <body> | 2 <body> |
3 <script src="../../resources/js-test.js"></script> | 3 <script src="../../resources/js-test.js"></script> |
4 <script> | 4 <script> |
5 jsTestIsAsync = true; | 5 jsTestIsAsync = true; |
6 description("MessagePorts (and their execution contexts) should be collected by
GC once close() has been called on them"); | 6 description("MessagePorts (and their execution contexts) should be collected by
GC once close() has been called on them"); |
7 window.onmessage = function(evt) { | 7 function finishTest() { |
8 iframeDocGC = internals.observeGC(document.querySelector('iframe').contentDo
cument); | 8 iframeDocGC = internals.observeGC(document.querySelector('iframe').contentDo
cument); |
9 document.querySelector('iframe').remove(); | 9 document.querySelector('iframe').remove(); |
10 gc(); | 10 gc(); |
11 shouldBeTrue("iframeDocGC.wasCollected"); | 11 shouldBeTrue("iframeDocGC.wasCollected"); |
12 finishJSTest(); | 12 finishJSTest(); |
13 } | 13 } |
| 14 window.onmessage = function(evt) { |
| 15 // The iframe is reachable via evt.source, and evt is on the |
| 16 // stack, so restart the test once that reference has gone out of |
| 17 // scope. |
| 18 setTimeout(finishTest, 0); |
| 19 } |
14 </script> | 20 </script> |
15 <iframe src="resources/message-port-gc-closed-iframe.html"></iframe> | 21 <iframe src="resources/message-port-gc-closed-iframe.html"></iframe> |
16 </body> | 22 </body> |
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