1 /*

     2  * Copyright (c) 2014, 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.  Oracle designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Oracle in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20  *

    21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    22  * or visit www.oracle.com if you need additional information or have any

    23  * questions.

    24  */

    25 

    26 /*

    27  * @test

    28  * @bug 8030741

    29  * @summary Inference: implement eager resolution of return types, consistent with JDK-8028800

    30  * @compile EagerReturnTypeResolutionTesta.java

    31  */

    32 

    33 public class EagerReturnTypeResolutionTesta {

    34 

    35     abstract class Test1<T>{

    36         abstract <S> S foo(S x, S y);

    37         <S extends Number & Comparable<? extends Number>> void baz(Test1<S> a){}

    38 

    39         void bar(Test1<Long> x, Test1<Integer> y){

    40             baz(foo(x, y));

    41         }

    42     }

    43 

    44     abstract class Test2<T>{

    45         abstract <S> S foo(S x, S y);

    46         abstract <S1> void baz(Test2<S1> a);

    47 

    48         void bar(Test2<Integer> y, Test2<Long> x){

    49              baz(foo(x, y));

    50         }

    51     }

    52 

    53     abstract class Test3<T>{

    54         abstract <S> S foo(S x, S y);

    55         <T extends Number & Comparable<?>,

    56                 S extends Number & Comparable<? extends T>> void baz(Test3<S> a){}

    57 

    58         void bar(Test3<Long> x, Test3<Integer> y){

    59             baz(foo(x, y));

    60         }

    61     }

    62 

    63     abstract class Test4 {

    64         abstract class A0<T> {}

    65 

    66         abstract class A1<T> extends A0<T> {}

    67 

    68         abstract class A2<T> extends A0<T> {}

    69 

    70         abstract <S> S foo(S x, S y);

    71         abstract <S1> void baz(A0<S1> a);

    72 

    73         void bar(A2<Integer> y, A1<Long> x){

    74              baz(foo(x, y));

    75         }

    76     }

    77 

    78 }