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20 lines
848 B
JavaScript
20 lines
848 B
JavaScript
/// Copyright (c) 2012 Ecma International. All rights reserved.
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/// Ecma International makes this code available under the terms and conditions set
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/// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the
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/// "Use Terms"). Any redistribution of this code must retain the above
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/// copyright and this notice and otherwise comply with the Use Terms.
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/**
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* @path ch15/15.4/15.4.4/15.4.4.15/15.4.4.15-3-25.js
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* @description Array.prototype.lastIndexOf - value of 'length' is a negative non-integer, ensure truncation occurs in the proper direction
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*/
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function testcase() {
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var obj = { 1: true, 2: false, length: -4294967294.5 };
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return Array.prototype.lastIndexOf.call(obj, true) === 1 &&
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Array.prototype.lastIndexOf.call(obj, false) === -1;
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}
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runTestCase(testcase);
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