jdk8-mips64-public/langtools: test/tools/javac/lambda/8016177/T8016177f.java@2eb010b6cb22

     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 8016081 8016178

    27  * @summary structural most specific and stuckness

    28  * @compile T8016177f.java

    29  */

    30 import java.util.*;

    32 class T8016177f {

    34     interface Function<S, T> {

    35        T apply(S s);

    36     }

    38     interface IntFunction<T> {

    39        T apply(int s);

    40     }

    43     interface BiConsumer<X,Y> {

    44        void m(X x, Y y);

    45     }

    47     interface Consumer<X> {

    48        void m(X x);

    49     }

    51     interface Supplier<X> {

    52        X make();

    53     }

    55     interface TestData<T, S extends BaseStream<T, S>> {

    56        interface OfRef<T> extends TestData<T, Stream<T>> { }

    57        interface OfDouble extends TestData<Double, DoubleStream> { }

    58     }

    60     interface BaseStream<T, S extends BaseStream<T, S>> { }

    62     interface Stream<T> extends BaseStream<T, Stream<T>> {

    63        <M> Stream<M> map(Function<T, M> s);

    64        <R> R collect(Supplier<R> resultFactory, BiConsumer<R, ? super T> accumulator, BiConsumer<R, R> combiner);

    65        <Z> Z[] toArray(IntFunction<Z[]> s);

    66     }

    68     interface DoubleStream extends BaseStream<Double, DoubleStream> {

    69        DoubleStream filter(DoublePredicate dp);

    70        double[] toArray();

    71     }

    73     interface DoublePredicate {

    74        boolean p(double d);

    75     }

    77     <T, U, R, S_IN extends BaseStream<T, S_IN>, S_OUT extends BaseStream<U, S_OUT>>

    78            R exerciseTerminalOps(TestData<T, S_IN> data,

    79                                  Function<S_IN, S_OUT> streamF,

    80                                  Function<S_OUT, R> terminalF) { return null; }

    82     <O> TestData.OfRef<O> ofCollection(Collection<O> collection) { return null; }

    84     void test1(TestData.OfDouble data, DoublePredicate dp) {

    85         exerciseTerminalOps(data, s -> s.filter(dp), s -> s.toArray());

    86     }

    88     void test2(Function<Double, Integer> fdi, TestData.OfRef<Double> td, Stream<Integer> si) {

    89         exerciseTerminalOps(

    90                         ofCollection((List<Double>)null),

    91                         s -> s.map(fdi),

    92                         s -> s.toArray(Integer[]::new));

    93     }

    94 }

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