mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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76 lines
2.2 KiB
Plaintext
76 lines
2.2 KiB
Plaintext
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<?xml version="1.0"?>
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<?xml-stylesheet type="text/css" href="chrome://global/skin"?>
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<?xml-stylesheet type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"?>
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=693527
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-->
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<window title="Mozilla Bug "
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xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
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<script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"/>
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<!-- test results are displayed in the html:body -->
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<body xmlns="http://www.w3.org/1999/xhtml">
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<a href="https://bugzilla.mozilla.org/show_bug.cgi?id="
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target="_blank">Mozilla Bug 693527</a>
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</body>
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<!-- test code goes here -->
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<script type="application/javascript">
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<![CDATA[
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/** Test for Bug 693527 **/
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let Cu = Components.utils;
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let Ci = Components.interfaces;
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/* Create a weak reference, with a single-element weak map. */
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let make_weak_ref = function (obj) {
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let m = new WeakMap;
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m.set(obj, {});
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return m;
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};
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/* Check to see if a weak reference is dead. */
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let weak_ref_dead = function (r) {
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return Cu.nondeterministicGetWeakMapKeys(r).length == 0;
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}
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let make_cycle = function () {
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var p = document.createElement("p");
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p.children.x = p;
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var f = function() { };
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p.watch("y", f);
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var d = document.createElement("div");
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d.appendChild(p);
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f.loop = d;
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f.bar = {}; // observing f directly makes the leak go away even without the CC somehow
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return make_weak_ref(f.bar);
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};
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var cycle_ref = make_cycle();
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/* set up for running precise GC/CC then checking the results */
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SimpleTest.waitForExplicitFinish();
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Cu.schedulePreciseGC(function () {
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window.QueryInterface(Ci.nsIInterfaceRequestor)
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.getInterface(Ci.nsIDOMWindowUtils)
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.cycleCollect();
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window.QueryInterface(Ci.nsIInterfaceRequestor)
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.getInterface(Ci.nsIDOMWindowUtils)
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.garbageCollect();
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window.QueryInterface(Ci.nsIInterfaceRequestor)
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.getInterface(Ci.nsIDOMWindowUtils)
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.garbageCollect();
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ok(weak_ref_dead(cycle_ref), "Garbage gray watchpoint cycle should be collected.");
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SimpleTest.finish();
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});
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]]>
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</script>
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</window>
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