1 /*
2  * Copyright (c) 2003, 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
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17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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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     4946096
27  * @summary ComplementOf static factory is broken in Regular and Jumbo enum set
28  * @author  Josh Bloch
29  */
30 package test.java.util.EnumSet;
31 
32 import java.util.*;
33 
34 import org.testng.Assert;
35 import org.testng.annotations.Test;
36 
37 public class ComplementOf {
38 
39     @Test
testComplementOf()40     public void testComplementOf() {
41         test(Test0.class);
42         test(MonthTest10.class);
43         test(Test127.class);
44         test(Test128.class);
45     }
46 
test(Class<T> enumClass)47     static <T extends Enum<T>> void test(Class<T> enumClass) {
48         EnumSet<T> set = EnumSet.allOf(enumClass);
49         EnumSet<T> setComplement = EnumSet.complementOf(set);
50         Assert.assertEquals(setComplement.size(), 0);
51     }
52 
53     public enum Test0 { }
54 
55     public enum MonthTest10 { Jan,Feb,Mar,Apr,May,Jun,July,Aug,Sep,Oct }
56 
57     public enum Test127 {
58         T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15,
59         T16, T17, T18, T19, T20, T21, T22, T23, T24, T25, T26, T27, T28, T29,
60         T30, T31, T32, T33, T34, T35, T36, T37, T38, T39, T40, T41, T42, T43,
61         T44, T45, T46, T47, T48, T49, T50, T51, T52, T53, T54, T55, T56, T57,
62         T58, T59, T60, T61, T62, T63, T64, T65, T66, T67, T68, T69, T70, T71,
63         T72, T73, T74, T75, T76, T77, T78, T79, T80, T81, T82, T83, T84, T85,
64         T86, T87, T88, T89, T90, T91, T92, T93, T94, T95, T96, T97, T98, T99,
65         T100, T101, T102, T103, T104, T105, T106, T107, T108, T109, T110, T111,
66         T112, T113, T114, T115, T116, T117, T118, T119, T120, T121, T122, T123,
67         T124, T125, T126
68     }
69 
70     public enum Test128 {
71         T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15,
72         T16, T17, T18, T19, T20, T21, T22, T23, T24, T25, T26, T27, T28, T29,
73         T30, T31, T32, T33, T34, T35, T36, T37, T38, T39, T40, T41, T42, T43,
74         T44, T45, T46, T47, T48, T49, T50, T51, T52, T53, T54, T55, T56, T57,
75         T58, T59, T60, T61, T62, T63, T64, T65, T66, T67, T68, T69, T70, T71,
76         T72, T73, T74, T75, T76, T77, T78, T79, T80, T81, T82, T83, T84, T85,
77         T86, T87, T88, T89, T90, T91, T92, T93, T94, T95, T96, T97, T98, T99,
78         T100, T101, T102, T103, T104, T105, T106, T107, T108, T109, T110, T111,
79         T112, T113, T114, T115, T116, T117, T118, T119, T120, T121, T122, T123,
80         T124, T125, T126, T127
81     }
82 }