test/tools/javac/generics/Casting.java

Tue, 28 Dec 2010 15:54:52 -0800

author
ohair
date
Tue, 28 Dec 2010 15:54:52 -0800
changeset 798
4868a36f6fd8
parent 554
9d9f26857129
child 2525
2eb010b6cb22
permissions
-rw-r--r--

6962318: Update copyright year
Reviewed-by: xdono

     1 /*
     2  * Copyright (c) 2001, 2010, 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  */
    24 /*
    25  * @test
    26  * @bug 4468840
    27  * @summary generics problem with casting
    28  * @author gafter
    29  *
    30  * @compile  Casting.java
    31  */
    33 package Casting;
    35 class Test {}
    37 class List<T> {
    38     <T> T[] toArray(T[] a) { return null; }
    39 }
    41 public class Casting {
    42     public static void main(String[] args) {
    43         List<Test> l1 = null;
    44         List<Test> l2 = (List<Test>)l1;
    45     }
    46 }
    48 interface Map<K,V> {
    49     void put(K k, V v);
    50     V get(Object o);
    51 }
    52 interface Set<T> {
    53     <T> T[] toArray(T[] a);
    54 }
    56 class Casting2 {
    57      public static void main(String[] args){
    58          Map<Integer,Set<Integer>> map = null;
    59          if (map.get(new Integer(1)) == map.get(new Integer(2))) ;
    60      }
    61 }

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