michael@0: /// Copyright (c) 2012 Ecma International. All rights reserved. michael@0: /// Ecma International makes this code available under the terms and conditions set michael@0: /// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the michael@0: /// "Use Terms"). Any redistribution of this code must retain the above michael@0: /// copyright and this notice and otherwise comply with the Use Terms. michael@0: /** michael@0: * @path ch11/11.13/11.13.2/11.13.2-33-s.js michael@0: * @description Strict Mode - TypeError is thrown if The LeftHandSide of a Compound Assignment operator(|=) is a reference to a data property with the attribute value {[[Writable]]:false} michael@0: * @onlyStrict michael@0: */ michael@0: michael@0: michael@0: function testcase() { michael@0: "use strict"; michael@0: var obj = {}; michael@0: Object.defineProperty(obj, "prop", { michael@0: value: 10, michael@0: writable: false, michael@0: enumerable: true, michael@0: configurable: true michael@0: }); michael@0: michael@0: try { michael@0: obj.prop |= 20; michael@0: return false; michael@0: } catch (e) { michael@0: return e instanceof TypeError && obj.prop === 10; michael@0: } michael@0: } michael@0: runTestCase(testcase);