v8/test/mjsunit/harmony/proxies-revocable.js
neis 62127d00ae [proxies] Implement Proxy.revocable.
For now, we revoke a proxy by setting its handler to null (as in the spec).

Change the "target" field from Object to JSReceiver as there's no point in
allowing more.

R=jkummerow@chromium.org, rossberg
BUG=v8:1543
LOG=n

Review URL: https://codereview.chromium.org/1496243003

Cr-Commit-Position: refs/heads/master@{#32608}
2015-12-04 10:56:01 +00:00

27 lines
779 B
JavaScript

// Copyright 2015 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --harmony-proxies --harmony-reflect
traps = [
"getPrototypeOf", "setPrototypeOf", "isExtensible", "preventExtensions",
"getOwnPropertyDescriptor", "has", "get", "set", "deleteProperty",
"defineProperty", "ownKeys", "apply", "construct"
];
// TODO(neis): Fix enumerate.
var {proxy, revoke} = Proxy.revocable({}, {});
assertEquals(0, revoke.length);
assertEquals(undefined, revoke());
for (var trap of traps) {
assertThrows(() => Reflect[trap](proxy), TypeError);
}
assertEquals(undefined, revoke());
for (var trap of traps) {
assertThrows(() => Reflect[trap](proxy), TypeError);
}