| // 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-ecmascript-function-objects-construct-argumentslist-newtarget |
| description: Error retrieving function realm from revoked Proxy exotic object |
| info: | |
| [...] |
| 5. If kind is "base", then |
| a. Let thisArgument be ? OrdinaryCreateFromConstructor(newTarget, |
| "%ObjectPrototype%"). |
| [...] |
| |
| 9.1.13 OrdinaryCreateFromConstructor |
| |
| [...] |
| 2. Let proto be ? GetPrototypeFromConstructor(constructor, |
| intrinsicDefaultProto). |
| [...] |
| |
| 9.1.14 GetPrototypeFromConstructor |
| |
| [...] |
| 3. Let proto be ? Get(constructor, "prototype"). |
| 4. If Type(proto) is not Object, then |
| a. Let realm be ? GetFunctionRealm(constructor). |
| |
| 7.3.22 GetFunctionRealm |
| |
| [...] |
| 2. If obj has a [[Realm]] internal slot, then |
| [...] |
| 3. If obj is a Bound Function exotic object, then |
| [...] |
| 4. If obj is a Proxy exotic object, then |
| a. If the value of the [[ProxyHandler]] internal slot of obj is null, |
| throw a TypeError exception. |
| features: [Proxy] |
| ---*/ |
| |
| // Defer proxy revocation until after the `constructor` property has been |
| // accessed |
| var handlers = { |
| get: function() { |
| handle.revoke(); |
| } |
| }; |
| var handle = Proxy.revocable(function() {}, handlers); |
| var f = handle.proxy; |
| |
| assert.sameValue(typeof f, 'function'); |
| |
| assert.throws(TypeError, function() { |
| new f(); |
| }); |