jdk/test/java/util/EnumMap/ToArray.java
author mfang
Wed, 17 Aug 2011 14:18:26 -0700
changeset 10294 8fcdae2a7ec7
parent 5506 202f599c92aa
permissions -rw-r--r--
Merge
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
2
90ce3da70b43 Initial load
duke
parents:
diff changeset
     1
/*
5506
202f599c92aa 6943119: Rebrand source copyright notices
ohair
parents: 2
diff changeset
     2
 * Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved.
2
90ce3da70b43 Initial load
duke
parents:
diff changeset
     3
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
90ce3da70b43 Initial load
duke
parents:
diff changeset
     4
 *
90ce3da70b43 Initial load
duke
parents:
diff changeset
     5
 * This code is free software; you can redistribute it and/or modify it
90ce3da70b43 Initial load
duke
parents:
diff changeset
     6
 * under the terms of the GNU General Public License version 2 only, as
90ce3da70b43 Initial load
duke
parents:
diff changeset
     7
 * published by the Free Software Foundation.
90ce3da70b43 Initial load
duke
parents:
diff changeset
     8
 *
90ce3da70b43 Initial load
duke
parents:
diff changeset
     9
 * This code is distributed in the hope that it will be useful, but WITHOUT
90ce3da70b43 Initial load
duke
parents:
diff changeset
    10
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
90ce3da70b43 Initial load
duke
parents:
diff changeset
    11
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
90ce3da70b43 Initial load
duke
parents:
diff changeset
    12
 * version 2 for more details (a copy is included in the LICENSE file that
90ce3da70b43 Initial load
duke
parents:
diff changeset
    13
 * accompanied this code).
90ce3da70b43 Initial load
duke
parents:
diff changeset
    14
 *
90ce3da70b43 Initial load
duke
parents:
diff changeset
    15
 * You should have received a copy of the GNU General Public License version
90ce3da70b43 Initial load
duke
parents:
diff changeset
    16
 * 2 along with this work; if not, write to the Free Software Foundation,
90ce3da70b43 Initial load
duke
parents:
diff changeset
    17
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
90ce3da70b43 Initial load
duke
parents:
diff changeset
    18
 *
5506
202f599c92aa 6943119: Rebrand source copyright notices
ohair
parents: 2
diff changeset
    19
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
202f599c92aa 6943119: Rebrand source copyright notices
ohair
parents: 2
diff changeset
    20
 * or visit www.oracle.com if you need additional information or have any
202f599c92aa 6943119: Rebrand source copyright notices
ohair
parents: 2
diff changeset
    21
 * questions.
2
90ce3da70b43 Initial load
duke
parents:
diff changeset
    22
 */
90ce3da70b43 Initial load
duke
parents:
diff changeset
    23
90ce3da70b43 Initial load
duke
parents:
diff changeset
    24
/*
90ce3da70b43 Initial load
duke
parents:
diff changeset
    25
 * @test
90ce3da70b43 Initial load
duke
parents:
diff changeset
    26
 * @bug     6310858
90ce3da70b43 Initial load
duke
parents:
diff changeset
    27
 * @summary Tests for toArray
90ce3da70b43 Initial load
duke
parents:
diff changeset
    28
 * @author  Martin Buchholz
90ce3da70b43 Initial load
duke
parents:
diff changeset
    29
 */
90ce3da70b43 Initial load
duke
parents:
diff changeset
    30
90ce3da70b43 Initial load
duke
parents:
diff changeset
    31
import java.util.*;
90ce3da70b43 Initial load
duke
parents:
diff changeset
    32
90ce3da70b43 Initial load
duke
parents:
diff changeset
    33
public class ToArray {
90ce3da70b43 Initial load
duke
parents:
diff changeset
    34
    enum Country { FRENCH, POLISH }
90ce3da70b43 Initial load
duke
parents:
diff changeset
    35
    public static void main(String[] args) throws Throwable {
90ce3da70b43 Initial load
duke
parents:
diff changeset
    36
        Map<Country, String> m = new EnumMap<Country, String>(Country.class);
90ce3da70b43 Initial load
duke
parents:
diff changeset
    37
        m.put(Country.FRENCH, "connection");
90ce3da70b43 Initial load
duke
parents:
diff changeset
    38
        m.put(Country.POLISH, "sausage");
90ce3da70b43 Initial load
duke
parents:
diff changeset
    39
90ce3da70b43 Initial load
duke
parents:
diff changeset
    40
        Object[] z = m.entrySet().toArray();
90ce3da70b43 Initial load
duke
parents:
diff changeset
    41
        System.out.println(Arrays.toString(z));
90ce3da70b43 Initial load
duke
parents:
diff changeset
    42
        if (! (z.getClass() == Object[].class &&
90ce3da70b43 Initial load
duke
parents:
diff changeset
    43
               z.length == 2 &&
90ce3da70b43 Initial load
duke
parents:
diff changeset
    44
               ((Map.Entry)z[0]).getKey() == Country.FRENCH &&
90ce3da70b43 Initial load
duke
parents:
diff changeset
    45
               ((Map.Entry)z[1]).getKey() == Country.POLISH))
90ce3da70b43 Initial load
duke
parents:
diff changeset
    46
            throw new AssertionError();
90ce3da70b43 Initial load
duke
parents:
diff changeset
    47
90ce3da70b43 Initial load
duke
parents:
diff changeset
    48
        Map.Entry[] x1 = new Map.Entry[3];
90ce3da70b43 Initial load
duke
parents:
diff changeset
    49
        x1[2] = m.entrySet().iterator().next();
90ce3da70b43 Initial load
duke
parents:
diff changeset
    50
        Map.Entry[] x2 = m.entrySet().toArray(x1);
90ce3da70b43 Initial load
duke
parents:
diff changeset
    51
        System.out.println(Arrays.toString(x2));
90ce3da70b43 Initial load
duke
parents:
diff changeset
    52
        if (! (x1 == x2 &&
90ce3da70b43 Initial load
duke
parents:
diff changeset
    53
               x2[0].getKey() == Country.FRENCH &&
90ce3da70b43 Initial load
duke
parents:
diff changeset
    54
               x2[1].getKey() == Country.POLISH &&
90ce3da70b43 Initial load
duke
parents:
diff changeset
    55
               x2[2] == null))
90ce3da70b43 Initial load
duke
parents:
diff changeset
    56
            throw new AssertionError();
90ce3da70b43 Initial load
duke
parents:
diff changeset
    57
90ce3da70b43 Initial load
duke
parents:
diff changeset
    58
        Map.Entry[] y1 = new Map.Entry[1];
90ce3da70b43 Initial load
duke
parents:
diff changeset
    59
        Map.Entry[] y2 = m.entrySet().toArray(y1);
90ce3da70b43 Initial load
duke
parents:
diff changeset
    60
        System.out.println(Arrays.toString(y2));
90ce3da70b43 Initial load
duke
parents:
diff changeset
    61
        if (! (y1 != y2 &&
90ce3da70b43 Initial load
duke
parents:
diff changeset
    62
               y2.length == 2 &&
90ce3da70b43 Initial load
duke
parents:
diff changeset
    63
               y2[0].getKey() == Country.FRENCH &&
90ce3da70b43 Initial load
duke
parents:
diff changeset
    64
               y2[1].getKey() == Country.POLISH))
90ce3da70b43 Initial load
duke
parents:
diff changeset
    65
            throw new AssertionError();
90ce3da70b43 Initial load
duke
parents:
diff changeset
    66
    }
90ce3da70b43 Initial load
duke
parents:
diff changeset
    67
}