langtools/test/tools/javac/generics/inference/6650759/T6650759e.java
changeset 3778 38a70273507b
child 5520 86e4b9a9da40
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3777:9d8c7669df64 3778:38a70273507b
       
     1 /*
       
     2  * Copyright 2009 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     6650759
       
    27  * @summary Inference of formal type parameter (unused in formal parameters) is not performed
       
    28  * @compile T6650759e.java
       
    29  */
       
    30 
       
    31 import java.util.List;
       
    32 
       
    33 public class T6650759e {
       
    34 
       
    35     static abstract class A<X extends B> {}
       
    36 
       
    37     interface B<X extends A> extends D {}
       
    38 
       
    39     static abstract class C<X extends D> {}
       
    40 
       
    41     interface D {}
       
    42 
       
    43     static abstract class E<X extends C<? extends B<?>>> {}
       
    44 
       
    45     <U extends C<V>, V extends B<W>, W extends A<V>> W m1(E<U> e) {
       
    46         return m2(e);
       
    47     }
       
    48 
       
    49     <U extends C<V>, V extends B<W>, W extends A<V>> W m2(E<U> e) {
       
    50         return null;
       
    51     }
       
    52 }