1/*
2 * Copyright (c) 2005, 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     6310858
27 * @summary Tests for toArray
28 * @author  Martin Buchholz
29 */
30
31import java.util.*;
32
33public class ToArray {
34    enum Country { FRENCH, POLISH }
35    public static void main(String[] args) throws Throwable {
36        Map<Country, String> m = new EnumMap<Country, String>(Country.class);
37        m.put(Country.FRENCH, "connection");
38        m.put(Country.POLISH, "sausage");
39
40        Object[] z = m.entrySet().toArray();
41        System.out.println(Arrays.toString(z));
42        if (! (z.getClass() == Object[].class &&
43               z.length == 2 &&
44               ((Map.Entry)z[0]).getKey() == Country.FRENCH &&
45               ((Map.Entry)z[1]).getKey() == Country.POLISH))
46            throw new AssertionError();
47
48        Map.Entry[] x1 = new Map.Entry[3];
49        x1[2] = m.entrySet().iterator().next();
50        Map.Entry[] x2 = m.entrySet().toArray(x1);
51        System.out.println(Arrays.toString(x2));
52        if (! (x1 == x2 &&
53               x2[0].getKey() == Country.FRENCH &&
54               x2[1].getKey() == Country.POLISH &&
55               x2[2] == null))
56            throw new AssertionError();
57
58        Map.Entry[] y1 = new Map.Entry[1];
59        Map.Entry[] y2 = m.entrySet().toArray(y1);
60        System.out.println(Arrays.toString(y2));
61        if (! (y1 != y2 &&
62               y2.length == 2 &&
63               y2[0].getKey() == Country.FRENCH &&
64               y2[1].getKey() == Country.POLISH))
65            throw new AssertionError();
66    }
67}
68