/// Copyright (c) 2012 Ecma International. All rights reserved. /// Ecma International makes this code available under the terms and conditions set /// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the /// "Use Terms"). Any redistribution of this code must retain the above /// copyright and this notice and otherwise comply with the Use Terms. /** * @path ch15/15.4/15.4.4/15.4.4.20/15.4.4.20-9-4.js * @description Array.prototype.filter doesn't visit deleted elements when Array.length is decreased */ function testcase() { function callbackfn(val, idx, obj) { srcArr.length = 2; return true; } var srcArr = [1,2,3,4,6]; var resArr = srcArr.filter(callbackfn); if(resArr.length === 2 ) return true; } runTestCase(testcase);