| // Copyright (c) 2012 Ecma International. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| es5id: 11.13.1-1-s |
| description: > |
| Strict Mode - TypeError is thrown if The LeftHandSide is a |
| reference to a data property with the attribute value |
| {[[Writable]]:false} under strict mode |
| flags: [onlyStrict] |
| ---*/ |
| |
| var obj = {}; |
| Object.defineProperty(obj, "prop", { |
| value: 10, |
| writable: false, |
| enumerable: true, |
| configurable: true |
| }); |
| assert.throws(TypeError, function() { |
| obj.prop = 20; |
| }); |
| assert.sameValue(obj.prop, 10, 'obj.prop'); |