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1 /*
2  * Copyright (C) 2021 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 /*
18  * @test
19  * @bug     4946096
20  * @summary ComplementOf static factory is broken in Regular and Jumbo enum set
21  * @author  Josh Bloch
22  */
23 package test.java.util.EnumSet;
24 
25 import java.util.*;
26 
27 import org.testng.Assert;
28 import org.testng.annotations.Test;
29 
30 public class ComplementOf {
31 
32     @Test
testComplementOf()33     public void testComplementOf() {
34         test(Test0.class);
35         test(MonthTest10.class);
36         test(Test127.class);
37         test(Test128.class);
38     }
39 
test(Class<T> enumClass)40     static <T extends Enum<T>> void test(Class<T> enumClass) {
41         EnumSet<T> set = EnumSet.allOf(enumClass);
42         EnumSet<T> setComplement = EnumSet.complementOf(set);
43         Assert.assertEquals(setComplement.size(), 0);
44     }
45 
46     public enum Test0 { }
47 
48     public enum MonthTest10 { Jan,Feb,Mar,Apr,May,Jun,July,Aug,Sep,Oct }
49 
50     public enum Test127 {
51         T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15,
52         T16, T17, T18, T19, T20, T21, T22, T23, T24, T25, T26, T27, T28, T29,
53         T30, T31, T32, T33, T34, T35, T36, T37, T38, T39, T40, T41, T42, T43,
54         T44, T45, T46, T47, T48, T49, T50, T51, T52, T53, T54, T55, T56, T57,
55         T58, T59, T60, T61, T62, T63, T64, T65, T66, T67, T68, T69, T70, T71,
56         T72, T73, T74, T75, T76, T77, T78, T79, T80, T81, T82, T83, T84, T85,
57         T86, T87, T88, T89, T90, T91, T92, T93, T94, T95, T96, T97, T98, T99,
58         T100, T101, T102, T103, T104, T105, T106, T107, T108, T109, T110, T111,
59         T112, T113, T114, T115, T116, T117, T118, T119, T120, T121, T122, T123,
60         T124, T125, T126
61     }
62 
63     public enum Test128 {
64         T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15,
65         T16, T17, T18, T19, T20, T21, T22, T23, T24, T25, T26, T27, T28, T29,
66         T30, T31, T32, T33, T34, T35, T36, T37, T38, T39, T40, T41, T42, T43,
67         T44, T45, T46, T47, T48, T49, T50, T51, T52, T53, T54, T55, T56, T57,
68         T58, T59, T60, T61, T62, T63, T64, T65, T66, T67, T68, T69, T70, T71,
69         T72, T73, T74, T75, T76, T77, T78, T79, T80, T81, T82, T83, T84, T85,
70         T86, T87, T88, T89, T90, T91, T92, T93, T94, T95, T96, T97, T98, T99,
71         T100, T101, T102, T103, T104, T105, T106, T107, T108, T109, T110, T111,
72         T112, T113, T114, T115, T116, T117, T118, T119, T120, T121, T122, T123,
73         T124, T125, T126, T127
74     }
75 }