mirror of https://github.com/lukechilds/node.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
13 lines
384 B
13 lines
384 B
9 years ago
|
// 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.
|
||
|
|
|
||
|
|
function Bar() { }
|
||
|
|
function Baz() { }
|
||
|
|
Baz.prototype = { __proto__: new Bar() }
|
||
|
|
var x = new Baz();
|
||
|
|
function foo(y) { return y instanceof Bar; }
|
||
|
|
assertTrue(foo(x));
|
||
|
|
Baz.prototype.__proto__ = null;
|
||
|
|
assertFalse(foo(x));
|