| // 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-proxy-object-internal-methods-and-internal-slots-setprototypeof-v |
| description: > |
| Return abrupt from target.[[GetPrototypeOf]]() |
| info: | |
| [[SetPrototypeOf]] (V) |
| |
| 12. Let targetProto be ? target.[[GetPrototypeOf]](). |
| features: [Proxy] |
| ---*/ |
| |
| var target = new Proxy({}, { |
| getPrototypeOf: function() { |
| throw new Test262Error(); |
| } |
| }); |
| |
| Object.preventExtensions(target); |
| |
| var proxy = new Proxy(target, { |
| setPrototypeOf: function() { |
| return true; |
| } |
| }); |
| |
| assert.throws(Test262Error, function() { |
| Object.setPrototypeOf(proxy, {}); |
| }); |