/// 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 ch15/15.2/15.2.3/15.2.3.7/15.2.3.7-6-a-113.js * @description Object.defineProperties - '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) */ function testcase() { var arrProtoLen; var arr = [0, 1, 2]; try { arrProtoLen = Array.prototype.length; Array.prototype.length = 0; Object.defineProperty(arr, "2", { configurable: false }); Object.defineProperties(arr, { length: { value: 1 } }); return false; } catch (e) { var desc = Object.getOwnPropertyDescriptor(arr, "length"); return e instanceof TypeError && desc.value === 3 && desc.writable && !desc.enumerable && !desc.configurable; } finally { Array.prototype.length = arrProtoLen; } } runTestCase(testcase);