| // Copyright (c) 2012 Ecma International. All rights reserved. | |
| // This code is governed by the BSD license found in the LICENSE file. | |
| /*--- | |
| esid: sec-undefined | |
| description: undefined is not writable, should throw TypeError in strict mode | |
| flags: [onlyStrict] | |
| ---*/ | |
| var global = this; | |
| assert.throws(TypeError, function() { | |
| global["undefined"] = 5; // Should throw a TypeError as per 8.12.5 | |
| }); | |
| assert.sameValue(global["undefined"], void 0); | |
| assert.sameValue(undefined, void 0); |