1 /* 2 * Copyright 2003-2004 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, 20 * CA 95054 USA or visit www.sun.com if you need additional information or 21 * have any questions. 22 */ 23 24 /* 25 * @test 26 * @bug 4891872 4989735 4990789 5020490 27 * @summary Check isEnum() method 28 * @author Joseph D. Darcy 29 * @compile -source 1.5 IsEnum.java 30 * @run main IsEnum 31 */ 32 33 import java.lang.annotation.*; 34 35 public class IsEnum { 36 37 static int test(Class clazz, boolean expected) { 38 int status = (clazz.isEnum() == expected)?0:1; 39 40 if (status == 1) { 41 System.err.println("Unexpected enum status for " + clazz); 42 } 43 return status; 44 } 45 46 public static void main(String argv[]) { 47 int failures = 0; 48 49 failures += test(IsEnum.class, false); 50 failures += test(String.class, false); 51 failures += test(Enum.class, false); 52 failures += test(java.math.RoundingMode.class, true); 53 54 // Classes in java.lang.annoation 55 failures += test(Annotation.class, false); 56 failures += test(ElementType.class, true); 57 failures += test(Retention.class, false); 58 failures += test(RetentionPolicy.class, true); 59 failures += test(Target.class, false); 60 failures += test(EnumPoseur.class, false); 61 62 // Classes for specialized enum constants aren't enum's 63 failures += test(SpecialEnum.class, true); 64 failures += test(SpecialEnum.RED.getClass(), false); 65 failures += test(SpecialEnum.GREEN.getClass(), true); 66 67 if (failures > 0) { 68 throw new RuntimeException("Unexepcted enum status detected."); 69 } 70 } 71 } 72 73 enum SpecialEnum { 74 RED { 75 String special() {return "riding hood";} 76 }, 77 78 GREEN; 79 80 String special() {return "how was my valley";} 81 }