1 /* 2 * Copyright (c) 2006, 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 6377356 27 * @summary Test EnumSet.retainAll 28 * @author Josh Bloch, Martin Buchholz 29 */ 30 31 import java.util.*; 32 33 public class RetainAll { 34 enum RegularA { A0, A2 } 35 enum RegularB { B0, B1 } 36 enum JumboA { 37 A00, A01, A02, A03, A04, A05, A06, A07, A08, A09, 38 A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, 39 A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, 40 A30, A31, A32, A33, A34, A35, A36, A37, A38, A39, 41 A40, A41, A42, A43, A44, A45, A46, A47, A48, A49, 42 A50, A51, A52, A53, A54, A55, A56, A57, A58, A59, 43 A60, A61, A62, A63, A64, A65, A66, A67, A68, A69, 44 } 45 enum JumboB { 46 B00, B01, B02, B03, B04, B05, B06, B07, B08, B09, 47 B10, B11, B12, B13, B14, B15, B16, B17, B18, B19, 48 B20, B21, B22, B23, B24, B25, B26, B27, B28, B29, 49 B30, B31, B32, B33, B34, B35, B36, B37, B38, B39, 50 B40, B41, B42, B43, B44, B45, B46, B47, B48, B49, 51 B50, B51, B52, B53, B54, B55, B56, B57, B58, B59, 52 B60, B61, B62, B63, B64, B65, B66, B67, B68, B69, 53 } 54 realMain(String[] args)55 private static void realMain(String[] args) throws Throwable { 56 Set<RegularA> ras = EnumSet.noneOf(RegularA.class); 57 Set<RegularB> rbs = EnumSet.noneOf(RegularB.class); 58 Set<JumboA> jas = EnumSet.noneOf(JumboA.class); 59 Set<JumboB> jbs = EnumSet.noneOf(JumboB.class); 60 check(ras.getClass().getName().matches(".*Regular.*")); 61 check(jas.getClass().getName().matches(".*Jumbo.*")); 62 check(! ras.retainAll(ras)); 63 check(! ras.retainAll(rbs)); 64 check(! jas.retainAll(jas)); 65 check(! jas.retainAll(jbs)); 66 check(! ras.retainAll(jas)); 67 check(! jas.retainAll(ras)); 68 } 69 70 //--------------------- Infrastructure --------------------------- 71 static volatile int passed = 0, failed = 0; pass()72 static void pass() {passed++;} fail()73 static void fail() {failed++; Thread.dumpStack();} fail(String msg)74 static void fail(String msg) {System.out.println(msg); fail();} unexpected(Throwable t)75 static void unexpected(Throwable t) {failed++; t.printStackTrace();} check(boolean cond)76 static void check(boolean cond) {if (cond) pass(); else fail();} equal(Object x, Object y)77 static void equal(Object x, Object y) { 78 if (x == null ? y == null : x.equals(y)) pass(); 79 else fail(x + " not equal to " + y);} main(String[] args)80 public static void main(String[] args) throws Throwable { 81 try {realMain(args);} catch (Throwable t) {unexpected(t);} 82 System.out.printf("%nPassed = %d, failed = %d%n%n", passed, failed); 83 if (failed > 0) throw new AssertionError("Some tests failed");} 84 } 85