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 5011312
  27  * @summary wildcard capture (snapshotting)
  28  * @author gafter
  29  *
  30  * @compile -Xlint:unchecked -Werror Capture1.java
  31  */
  32 
  33 package capture1;
  34 
  35 import java.util.List;
  36 
  37 class C {
  38     public static <T> void copy1(List<? super T> dest, List<? extends T> src) {
  39         copy1(dest, src);
  40         copy2(dest, src); // oops
  41         copy3(dest, src); // oops
  42     }
  43     public static <T> void copy2(List<T> dest, List<? extends T> src) {
  44         copy1(dest, src);
  45         copy2(dest, src);
  46         copy3(dest, src); // oops
  47     }
  48     public static <T> void copy3(List<? super T> dest, List<T> src) {
  49         copy1(dest, src);
  50         copy2(dest, src); // oops
  51         copy3(dest, src);
  52     }
  53 }