1 /*
2  * Copyright (c) 2000, 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
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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
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22  */
23 
24 /*
25  * @test
26  * @bug     4323074
27  * @summary Basic test for newly public swap algorithm
28  * @author  Josh Bloch
29  */
30 
31 package test.java.util.Collections;
32 
33 import java.util.ArrayList;
34 import java.util.Collections;
35 import java.util.List;
36 
37 public class Swap {
38     static final int SIZE = 100;
39 
main(String[] args)40     public static void main(String[] args) throws Exception {
41         List l = new ArrayList(Collections.nCopies(100, Boolean.FALSE));
42         l.set(0, Boolean.TRUE);
43         for (int i=0; i < SIZE-1; i++)
44             Collections.swap(l, i, i+1);
45 
46         List l2 = new ArrayList(Collections.nCopies(100, Boolean.FALSE));
47         l2.set(SIZE-1, Boolean.TRUE);
48         if (!l.equals(l2))
49             throw new RuntimeException("Wrong result");
50     }
51 }
52