| // Copyright (C) 2015 the V8 project authors. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| /*--- |
| es6id: 19.1.2.18 |
| description: Object.setPrototypeOf invoked with a non-extensible object |
| info: | |
| 1. Let O be RequireObjectCoercible(O). |
| 2. ReturnIfAbrupt(O). |
| 3. If Type(proto) is neither Object nor Null, throw a TypeError exception. |
| 4. If Type(O) is not Object, return O. |
| 5. Let status be O.[[SetPrototypeOf]](proto). |
| 6. ReturnIfAbrupt(status). |
| 7. If status is false, throw a TypeError exception. |
| ---*/ |
| |
| var obj = {}; |
| |
| Object.preventExtensions(obj); |
| |
| assert.throws(TypeError, function() { |
| Object.setPrototypeOf(obj, null); |
| }); |
