JDK-8013874.js revision 250:f3dcb12c8439 
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 */
23
24/**
25 * JDK-8013874: Function argument's prototype seem cached and wrongly reused
26 *
27 * @test
28 * @run
29 */
30
31function deepEqual(actual, expected) {
32    print("deepEqual: " + (actual.prop === expected.prop) + ", prop: " + expected.prop);
33}
34
35var proto = {};
36var other = {
37    prop: 0
38};
39
40function NameBuilder(first, last) {
41    this.first = first;
42    this.last = last;
43    return this;
44}
45
46NameBuilder.prototype = proto;
47
48function NameBuilder2(first, last) {
49    this.first = first;
50    this.last = last;
51    return this;
52}
53
54NameBuilder2.prototype = proto;
55
56var nb1 = new NameBuilder('Ryan', 'Dahl');
57var nb2 = new NameBuilder2('Ryan', 'Dahl');
58
59print("In loader, nb1.prop === nb2.prop " + (nb1.prop === nb2.prop));
60deepEqual(nb1, nb2);
61
62NameBuilder2.prototype = other;
63nb2 = new NameBuilder2('Ryan', 'Dahl');
64
65print("In loader, nb1.prop === nb2.prop " + (nb1.prop === nb2.prop));
66deepEqual(nb1, nb2);
67