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29 lines
892 B
JavaScript
29 lines
892 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 ch15/15.4/15.4.4/15.4.4.19/15.4.4.19-8-4.js
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* @description Array.prototype.map doesn't visit deleted elements when Array.length is decreased
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*/
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function testcase() {
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var callCnt = 0;
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function callbackfn(val, idx, obj)
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{
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srcArr.length = 2;
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callCnt++;
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return 1;
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}
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var srcArr = [1,2,3,4,5];
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var resArr = srcArr.map(callbackfn);
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if(resArr.length === 5 && callCnt === 2 && resArr[2] === undefined)
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return true;
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}
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runTestCase(testcase);
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