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root/jsr166/jsr166/src/test/jtreg/util/LinkedList/Clone.java
Revision: 1.4
Committed: Mon Jan 8 03:12:03 2018 UTC (6 years, 4 months ago) by jsr166
Branch: MAIN
CVS Tags: HEAD
Changes since 1.3: +3 -1 lines
Log Message:
organize imports

File Contents

# User Rev Content
1 jsr166 1.1 /*
2 jsr166 1.2 * Copyright (c) 1999, Oracle and/or its affiliates. All rights reserved.
3 jsr166 1.1 * 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 jsr166 1.2 * 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 jsr166 1.1 */
23    
24     /*
25     * @test
26     * @bug 4216997
27     * @summary Cloning a subclass of LinkedList results in an object that isn't
28     * an instance of the subclass. The same applies to TreeSet and
29     * TreeMap.
30     */
31    
32 jsr166 1.4 import java.util.LinkedList;
33     import java.util.TreeMap;
34     import java.util.TreeSet;
35 jsr166 1.1
36     public class Clone {
37     public static void main(String[] args) {
38     LinkedList2 l = new LinkedList2();
39     LinkedList2 lClone = (LinkedList2) l.clone();
40     if (!(l.equals(lClone) && lClone.equals(l)))
41     throw new RuntimeException("LinkedList.clone() is broken 1.");
42     l.add("a");
43     lClone = (LinkedList2) l.clone();
44     if (!(l.equals(lClone) && lClone.equals(l)))
45     throw new RuntimeException("LinkedList.clone() is broken 2.");
46     l.add("b");
47     lClone = (LinkedList2) l.clone();
48     if (!(l.equals(lClone) && lClone.equals(l)))
49     throw new RuntimeException("LinkedList.clone() is broken 2.");
50    
51    
52     TreeSet2 s = new TreeSet2();
53     TreeSet2 sClone = (TreeSet2) s.clone();
54     if (!(s.equals(sClone) && sClone.equals(s)))
55     throw new RuntimeException("TreeSet.clone() is broken.");
56     s.add("a");
57     sClone = (TreeSet2) s.clone();
58     if (!(s.equals(sClone) && sClone.equals(s)))
59     throw new RuntimeException("TreeSet.clone() is broken.");
60     s.add("b");
61     sClone = (TreeSet2) s.clone();
62     if (!(s.equals(sClone) && sClone.equals(s)))
63     throw new RuntimeException("TreeSet.clone() is broken.");
64    
65     TreeMap2 m = new TreeMap2();
66     TreeMap2 mClone = (TreeMap2) m.clone();
67     if (!(m.equals(mClone) && mClone.equals(m)))
68     throw new RuntimeException("TreeMap.clone() is broken.");
69     m.put("a", "b");
70     mClone = (TreeMap2) m.clone();
71     if (!(m.equals(mClone) && mClone.equals(m)))
72     throw new RuntimeException("TreeMap.clone() is broken.");
73     m.put("c", "d");
74     mClone = (TreeMap2) m.clone();
75     if (!(m.equals(mClone) && mClone.equals(m)))
76     throw new RuntimeException("TreeMap.clone() is broken.");
77     }
78    
79 jsr166 1.3 private static class LinkedList2 extends LinkedList {}
80     private static class TreeSet2 extends TreeSet {}
81     private static class TreeMap2 extends TreeMap {}
82 jsr166 1.1 }