1 /*

     2  * Copyright 2007 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 6422403

    27  * @summary Tests property types for generics

    28  * @author Sergey Malenkov

    29  */

    30 

    31 import java.beans.PropertyDescriptor;

    32 

    33 public class Test6422403 {

    34     public static void main(String[] args) {

    35         test(Grand.class, "array", new Object[0].getClass());

    36 

    37         test(Parent.class, "array", new Number[0].getClass());

    38         test(Parent.class, "number", Number.class);

    39 

    40         test(Child.class, "array", new Long[0].getClass());

    41         test(Child.class, "number", Long.class);

    42         test(Child.class, "value", Long.class);

    43     }

    44 

    45     private static void test(Class type, String name, Class expected) {

    46         PropertyDescriptor pd = BeanUtils.getPropertyDescriptor(type, name);

    47         if (name.equals(pd.getName()))

    48             if (!expected.equals(pd.getPropertyType()))

    49                 throw new Error("expected " + expected + " but " + pd.getPropertyType() + " is resolved");

    50     }

    51 

    52     private static class Grand<A> {

    53         private A[] array;

    54 

    55         public A[] getArray() {

    56             return this.array;

    57         }

    58 

    59         public void setArray(A...array) {

    60             this.array = array;

    61         }

    62     }

    63 

    64     private static class Parent<N extends Number> extends Grand<N> {

    65         private N number;

    66 

    67         public N getNumber() {

    68             return this.number;

    69         }

    70 

    71         public void setNumber(N number) {

    72             this.number = number;

    73         }

    74     }

    75 

    76     private static class Child extends Parent<Long> {

    77         private Long value;

    78 

    79         public Long getValue() {

    80             return this.value;

    81         }

    82 

    83         public void setValue(Long value) {

    84             this.value = value;

    85         }

    86     }

    87 }