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
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 * @test
26 * @bug 4323074
27 * @summary Basic test for newly public swap algorithm
28 * @author Josh Bloch
29 */
30
31 import java.util.ArrayList;
32 import java.util.Collections;
33 import java.util.List;
34
35 public class Swap {
36 static final int SIZE = 100;
37
38 public static void main(String[] args) throws Exception {
39 List l = new ArrayList(Collections.nCopies(100, Boolean.FALSE));
40 l.set(0, Boolean.TRUE);
41 for (int i=0; i < SIZE-1; i++)
42 Collections.swap(l, i, i+1);
43
44 List l2 = new ArrayList(Collections.nCopies(100, Boolean.FALSE));
45 l2.set(SIZE-1, Boolean.TRUE);
46 if (!l.equals(l2))
47 throw new RuntimeException("Wrong result");
48 }
49 }
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1 /*
2 * Copyright (c) 2000, 2026, 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 * @test
26 * @bug 4323074
27 * @summary Basic test for newly public swap algorithm
28 * @author Josh Bloch
29 * @library /test/lib
30 */
31
32 import jdk.test.lib.valueclass.VClass;
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
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 List<VClass> vl = new ArrayList<>(Collections.nCopies(SIZE, new VClass(0, new int[] { 0 })));
52 vl.set(0, new VClass(1, new int[] { 1 }));
53 for (int i = 0; i < SIZE - 1; i++) Collections.swap(vl, i, i + 1);
54 if (!vl.get(SIZE - 1).equals(new VClass(1, new int[] { 1 })))
55 throw new RuntimeException("value swap failed");
56 }
57 }
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