26 lines
906 B
HTML
26 lines
906 B
HTML
<!DOCTYPE HTML>
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<html>
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<head>
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<title>Test for SpecialPowers.nondeterministicGetWeakMapKeys</title>
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<script src="/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
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</head>
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<body>
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<div id="content" class="testbody">
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<script type="text/javascript">
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var emptyMap = new WeakMap;
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is(SpecialPowers.nondeterministicGetWeakMapKeys(emptyMap).length, 0, "Empty map has no keys");
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var twoMap = new WeakMap;
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var x = {};
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var y = {};
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twoMap.set(x, 1);
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twoMap.set(y, 2);
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var twoMapKeys = SpecialPowers.nondeterministicGetWeakMapKeys(twoMap);
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is(twoMapKeys.length, 2, "Map with two things should have two keys");
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ok(twoMapKeys[0] == x || twoMapKeys[1] == x, "One of the keys should be x");
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ok(twoMapKeys[0] == y || twoMapKeys[1] == y, "One of the keys should be y");
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</script>
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</div>
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</body>
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</html>
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