1 /*

     2  * Copyright 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 5012133

    27  * @summary Check Class.isSynthetic method

    28  * @author Joseph D. Darcy

    29  */

    30 

    31 import java.lang.reflect.*;

    32 

    33 public class IsSynthetic {

    34 

    35     static class NestedClass {

    36     }

    37 

    38     static int test(Class<?> clazz, boolean expected) {

    39         if (clazz.isSynthetic() == expected)

    40             return 0;

    41         else {

    42             System.err.println("Unexpected synthetic status for " +

    43                                clazz.getName() + " expected: " + expected +

    44                                " got: " + (!expected));

    45             return 1;

    46         }

    47     }

    48 

    49     public static void main(String argv[]) {

    50         int failures = 0;

    51         class LocalClass {}

    52 

    53         Cloneable clone = new Cloneable() {};

    54 

    55         failures += test(IsSynthetic.class,             false);

    56         failures += test(java.lang.String.class,        false);

    57         failures += test(LocalClass.class,              false);

    58         failures += test(NestedClass.class,             false);

    59         failures += test(clone.getClass(),              false);

    60 

    61         for(Constructor c: Tricky.class.getDeclaredConstructors()) {

    62             Class<?>[] paramTypes = c.getParameterTypes();

    63             if (paramTypes.length > 0) {

    64                 System.out.println("Testing class that should be synthetic.");

    65                 for(Class paramType: paramTypes) {

    66                     failures += test(paramType, true);

    67                 }

    68             }

    69         }

    70 

    71         if (failures != 0)

    72             throw new RuntimeException("Test failed with " + failures  + " failures.");

    73     }

    74 }

    75 

    76 class Tricky {

    77     private Tricky() {}

    78 

    79     public static class Nested {

    80         Tricky t = new Tricky();

    81     }

    82 }