1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/test/tools/javac/lambda/8016177/T8016177f.java Wed Apr 27 01:34:52 2016 +0800
1.3 @@ -0,0 +1,94 @@
1.4 +/*
1.5 + * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.23 + * or visit www.oracle.com if you need additional information or have any
1.24 + * questions.
1.25 + */
1.26 +
1.27 +/*
1.28 + * @test
1.29 + * @bug 8016081 8016178
1.30 + * @summary structural most specific and stuckness
1.31 + * @compile T8016177f.java
1.32 + */
1.33 +import java.util.*;
1.34 +
1.35 +class T8016177f {
1.36 +
1.37 + interface Function<S, T> {
1.38 + T apply(S s);
1.39 + }
1.40 +
1.41 + interface IntFunction<T> {
1.42 + T apply(int s);
1.43 + }
1.44 +
1.45 +
1.46 + interface BiConsumer<X,Y> {
1.47 + void m(X x, Y y);
1.48 + }
1.49 +
1.50 + interface Consumer<X> {
1.51 + void m(X x);
1.52 + }
1.53 +
1.54 + interface Supplier<X> {
1.55 + X make();
1.56 + }
1.57 +
1.58 + interface TestData<T, S extends BaseStream<T, S>> {
1.59 + interface OfRef<T> extends TestData<T, Stream<T>> { }
1.60 + interface OfDouble extends TestData<Double, DoubleStream> { }
1.61 + }
1.62 +
1.63 + interface BaseStream<T, S extends BaseStream<T, S>> { }
1.64 +
1.65 + interface Stream<T> extends BaseStream<T, Stream<T>> {
1.66 + <M> Stream<M> map(Function<T, M> s);
1.67 + <R> R collect(Supplier<R> resultFactory, BiConsumer<R, ? super T> accumulator, BiConsumer<R, R> combiner);
1.68 + <Z> Z[] toArray(IntFunction<Z[]> s);
1.69 + }
1.70 +
1.71 + interface DoubleStream extends BaseStream<Double, DoubleStream> {
1.72 + DoubleStream filter(DoublePredicate dp);
1.73 + double[] toArray();
1.74 + }
1.75 +
1.76 + interface DoublePredicate {
1.77 + boolean p(double d);
1.78 + }
1.79 +
1.80 + <T, U, R, S_IN extends BaseStream<T, S_IN>, S_OUT extends BaseStream<U, S_OUT>>
1.81 + R exerciseTerminalOps(TestData<T, S_IN> data,
1.82 + Function<S_IN, S_OUT> streamF,
1.83 + Function<S_OUT, R> terminalF) { return null; }
1.84 +
1.85 + <O> TestData.OfRef<O> ofCollection(Collection<O> collection) { return null; }
1.86 +
1.87 + void test1(TestData.OfDouble data, DoublePredicate dp) {
1.88 + exerciseTerminalOps(data, s -> s.filter(dp), s -> s.toArray());
1.89 + }
1.90 +
1.91 + void test2(Function<Double, Integer> fdi, TestData.OfRef<Double> td, Stream<Integer> si) {
1.92 + exerciseTerminalOps(
1.93 + ofCollection((List<Double>)null),
1.94 + s -> s.map(fdi),
1.95 + s -> s.toArray(Integer[]::new));
1.96 + }
1.97 +}
