| // Copyright (C) 2016 the V8 project authors. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| /*--- |
| esid: sec-object.prototype.__proto__ |
| es6id: B.2.2.1 |
| description: Abrupt completion from [[SetPrototypeOf]] |
| info: | |
| [...] |
| 4. Let status be ? O.[[SetPrototypeOf]](proto). |
| features: [Proxy, __proto__] |
| ---*/ |
| |
| var thrower = function() { |
| throw new Test262Error(); |
| }; |
| var subject = new Proxy({}, { setPrototypeOf: thrower }); |
| |
| assert.throws(Test262Error, function() { |
| subject.__proto__ = {}; |
| }); |
| |
| assert.sameValue(Object.getPrototypeOf(subject), Object.prototype); |