// 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. /*--- es5id: 15.2.3.6-4-117 description: > Object.defineProperty - 'O' is an Array, test the length property of 'O' is own data property that overrides an inherited data property (15.4.5.1 step 1) includes: [runTestCase.js] ---*/ function testcase() { var arrObj = [0, 1, 2]; var arrProtoLen; try { arrProtoLen = Array.prototype.length; Array.prototype.length = 0; Object.defineProperty(arrObj, "2", { configurable: false }); Object.defineProperty(arrObj, "length", { value: 1 }); return false; } catch (e) { return e instanceof TypeError && arrObj.length === 3 && Array.prototype.length === 0; } finally { Array.prototype.length = arrProtoLen; } } runTestCase(testcase);