/// 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 ch15/15.2/15.2.3/15.2.3.6/15.2.3.6-4-87.js * @description Object.defineProperty will throw TypeError when name.configurable = false, name.writable = false, desc.value = -0 and name.value = +0 (8.12.9 step 10.a.ii.1) */ function testcase() { var obj = {}; Object.defineProperty(obj, "foo", { value: +0, writable: false, configurable: false }); try { Object.defineProperty(obj, "foo", { value: -0 }); return false; } catch (e) { return e instanceof TypeError && dataPropertyAttributesAreCorrect(obj, "foo", +0, false, false, false); } } runTestCase(testcase);