jdk/test/java/lang/Class/Cast.java
changeset 2 90ce3da70b43
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0:fd16c54261b3 2:90ce3da70b43
       
     1 /*
       
     2  * Copyright 2003 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 4881275
       
    27  * @summary (reflect) Class.cast() - typesafe cast desired
       
    28  *
       
    29  * @compile -source 1.5 Cast.java
       
    30  * @run main Cast
       
    31  */
       
    32 
       
    33 public class Cast {
       
    34     static class Foo {}
       
    35 
       
    36     public static void main(String argv[]) throws Exception {
       
    37         Object o = Foo.class.newInstance();
       
    38         Foo f = Foo.class.cast(o);
       
    39         if (f == null) throw new Error();
       
    40         Foo f2 = Foo.class.cast(null);
       
    41     }
       
    42 }