/// 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 ch15/15.4/15.4.4/15.4.4.17/15.4.4.17-7-b-8.js * @description Array.prototype.some - deleting own property causes index property not to be visited on an Array-like object */ function testcase() { var accessed = false; function callbackfn(val, idx, obj) { accessed = true; return idx === 1; } var arr = { length: 2 }; Object.defineProperty(arr, "1", { get: function () { return 6.99; }, configurable: true }); Object.defineProperty(arr, "0", { get: function () { delete arr[1]; return 0; }, configurable: true }); return !Array.prototype.some.call(arr, callbackfn) && accessed; } runTestCase(testcase);