зеркало из https://github.com/mozilla/gecko-dev.git
68 строки
2.1 KiB
XML
68 строки
2.1 KiB
XML
<?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=688277
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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 688277</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 688277 **/
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let Cu = Components.utils;
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/* Fail gracefully if junk is passed in. */
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is(Cu.nondeterministicGetWeakMapKeys(11), undefined,
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"nondeterministicGetWeakMapKeys should return undefined for non-objects");
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is(Cu.nondeterministicGetWeakMapKeys({}), undefined,
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"nondeterministicGetWeakMapKeys should return undefined for non-weakmap objects");
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is(Cu.nondeterministicGetWeakMapKeys(null), undefined,
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"nondeterministicGetWeakMapKeys should return undefined for null");
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/* return an empty array for an empty WeakMap */
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let mempty = WeakMap();
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is(Cu.nondeterministicGetWeakMapKeys(mempty).length, 0,
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"nondeterministicGetWeakMapKeys should return empty array for empty weakmap");
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/* Test freeing/nonfreeing. */
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let m = WeakMap();
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let liveKeys = new Array();
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let add_elements = function () {
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let k1 = {};
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m.set(k1, "live1");
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liveKeys.push(k1);
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let k2 = {};
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m.set(k2, "dead1");
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let k = {};
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m.set(k, k); /* simple cycle */
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};
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add_elements();
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Cu.schedulePreciseGC(function () {
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let keys = Cu.nondeterministicGetWeakMapKeys(m);
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is(liveKeys.length, 1, "Wrong number of live keys.");
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is(keys.length, 1, "Should have one weak map key.");
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is(m.get(keys[0]), "live1", "live1 should be live");
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SimpleTest.finish();
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});
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SimpleTest.waitForExplicitFinish();
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]]>
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</script>
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</window>
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