| // 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-array.prototype.slice |
| description: Abrupt completion from constructor that is a revoked Proxy object |
| info: | |
| [...] |
| 8. Let A be ? ArraySpeciesCreate(O, count). |
| [...] |
| |
| 9.4.2.3 ArraySpeciesCreate |
| |
| [...] |
| 3. Let isArray be ? IsArray(originalArray). |
| |
| 7.2.2 IsArray |
| |
| [...] |
| 3. If argument is a Proxy exotic object, then |
| a. If the value of the [[ProxyHandler]] internal slot of argument is |
| null, throw a TypeError exception. |
| features: [Proxy] |
| ---*/ |
| |
| var o = Proxy.revocable([], {}); |
| var callCount = 0; |
| |
| Object.defineProperty(o.proxy, 'constructor', { |
| get: function() { |
| callCount += 1; |
| } |
| }); |
| o.revoke(); |
| |
| assert.throws(TypeError, function() { |
| Array.prototype.slice.call(o.proxy); |
| }); |
| |
| assert.sameValue(callCount, 0, '`constructor` property not accessed'); |