11 lines
317 B
JavaScript
11 lines
317 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.
|
||
|
|
|
||
|
|
function Foo() {}
|
||
|
|
var x = new Foo();
|
||
|
|
function foo() { return x instanceof Foo; }
|
||
|
|
assertTrue(foo());
|
||
|
|
Foo.prototype = 1;
|
||
|
|
assertThrows(foo, TypeError);
|