Tue, 16 Aug 2016 21:41:28 -0700
Added tag jdk8u102-b33 for changeset 36e3c21b5fca
1 /*
2 * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
24 /**
25 * JDK-8023368: Instance __proto__ property should exist and be writable.
26 *
27 * @test
28 * @run
29 */
31 // check that we cannot create __proto__ cycle
33 var obj = {};
34 var obj2 = Object.create(obj);
36 // attempt to create __proto__ cycle
37 try {
38 obj.__proto__ = obj2;
39 fail("Should have thrown TypeError");
40 } catch (e) {
41 if (! (e instanceof TypeError)) {
42 fail("Expected TypeError, got " + e);
43 }
44 print(e);
45 }