1 /*
   2  * Copyright (c) 2003, 2004, 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 4891872 4988155
  27  * @summary Check isAnnotation() method
  28  * @author Joseph D. Darcy
  29  */
  30 
  31 import java.lang.annotation.*;
  32 
  33 public class IsAnnotationType {
  34     interface AnnotationPoseur extends Annotation {
  35     }
  36 
  37     static int test(Class clazz, boolean expected) {
  38         int status = (clazz.isAnnotation() == expected)?0:1;
  39 
  40         if (status == 1) {
  41             System.err.println("Unexpected annotation status for " + clazz);
  42         }
  43         return status;
  44     }
  45 
  46     public static void main(String argv[]) {
  47         int failures = 0;
  48 
  49         failures += test(String.class, false);
  50         failures += test(Enum.class, false);
  51         failures += test(java.math.RoundingMode.class, false);
  52         // Classes in java.lang.annoation
  53         failures += test(Annotation.class, false);
  54         failures += test(Retention.class, true);
  55         failures += test(RetentionPolicy.class, false);
  56         failures += test(Target.class, true);
  57         failures += test(AnnotationPoseur.class, false);
  58 
  59         if (failures > 0) {
  60             throw new RuntimeException("Unexepcted annotation " +
  61                                        "status detected.");
  62         }
  63     }
  64 }