| /* |
| * Copyright (c) 2003, 2004, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * @test |
| * @bug 4891872 4989735 4990789 5020490 |
| * @summary Check isEnum() method |
| * @author Joseph D. Darcy |
| */ |
| |
| import java.lang.annotation.*; |
| |
| public class IsEnum { |
| |
| static int test(Class<?> clazz, boolean expected) { |
| int status = (clazz.isEnum() == expected) ? 0 : 1; |
| |
| if (status == 1) { |
| System.err.println("Unexpected enum status for " + clazz); |
| } |
| return status; |
| } |
| |
| public static void main(String... argv) { |
| int failures = 0; |
| |
| failures += test(IsEnum.class, false); |
| failures += test(String.class, false); |
| failures += test(Enum.class, false); |
| failures += test(EnumPoseur.class, false); |
| failures += test(java.math.RoundingMode.class, true); |
| |
| // Classes in java.lang.annotation |
| failures += test(Annotation.class, false); |
| failures += test(ElementType.class, true); |
| failures += test(Retention.class, false); |
| failures += test(RetentionPolicy.class, true); |
| failures += test(Target.class, false); |
| |
| // A class for a specialized enum constant isn't itself an enum |
| failures += test(SpecialEnum.class, true); |
| failures += test(SpecialEnum.RED.getClass(), false); |
| failures += test(SpecialEnum.GREEN.getClass(), true); |
| |
| if (failures > 0) { |
| throw new RuntimeException("Unexepcted enum status detected."); |
| } |
| } |
| } |
| |
| enum SpecialEnum { |
| RED { |
| String special() {return "riding hood";} |
| }, |
| |
| GREEN; |
| |
| String special() {return "how was my valley";} |
| } |