test/tools/javac/lambda/TargetType76.java

Wed, 17 Jul 2013 14:09:46 +0100

author
mcimadamore
date
Wed, 17 Jul 2013 14:09:46 +0100
changeset 1897
866c87c01285
parent 0
959103a6100f
permissions
-rw-r--r--

8016175: Add bottom-up type-checking support for unambiguous method references
Summary: Type-checking of non-overloaded method references should be independent from target-type
Reviewed-by: jjg, vromero

     1 /*
     2  * Copyright (c) 2013, 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 8016175
    27  * @summary Add bottom-up type-checking support for unambiguous method references
    28  * @compile TargetType76.java
    29  */
    30 class TargetType76 {
    32     interface Function<X, Y> {
    33         Y m(X x);
    34     }
    36     interface OfRef<T> { }
    38     interface Supplier<X> {
    39         X make();
    40     }
    42     interface Stream<X> { }
    44     interface Node<E> {
    45         Spliterator<E> spliterator();
    46     }
    48     interface Spliterator<X> {
    49         Spliterator<X> spliterator();
    50     }
    52     class RefTestData<T, I> implements OfRef<T> {
    53         RefTestData(I state,
    54                     Function<I, Stream<T>> streamFn,
    55                     Function<I, Spliterator<T>> splitrFn) { }
    56     }
    58     <O> OfRef<O> ofCollection(Node<O> collection) {
    59         return new RefTestData<>(collection,
    60                                  x->stream(x::spliterator),
    61                                  Node::spliterator);
    62     }
    64     <S> Stream<S> stream(Supplier<? extends Spliterator<S>> supplier) { return null; }
    65 }

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