// 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: 15.2.3.6-4-168 description: > Object.defineProperty - 'O' is an Array, 'name' is the length property of 'O', whose writable attribute is being changed to false and the [[Value]] field of 'desc' is less than value of the length property and also lesser than an index of the array which is set to configurable:false, test that new length is set to a value greater than the non-deletable index by 1, writable attribute of length is set to false and TypeError exception is thrown (15.4.5.1 step 3.i.iii) includes: [runTestCase.js] ---*/ function testcase() { var arrObj = [0, 1, 2]; try { Object.defineProperty(arrObj, "1", { configurable: false }); Object.defineProperty(arrObj, "length", { value: 0, writable: false }); return false; } catch (e) { return e instanceof TypeError && arrObj.length === 2; } } runTestCase(testcase);