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/*
* Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 8016081 8016178
* @summary structural most specific and stuckness
* @compile T8016177f.java
*/
import java.util.*;
class T8016177f {
interface Function<S, T> {
T apply(S s);
}
interface IntFunction<T> {
T apply(int s);
}
interface BiConsumer<X,Y> {
void m(X x, Y y);
}
interface Consumer<X> {
void m(X x);
}
interface Supplier<X> {
X make();
}
interface TestData<T, S extends BaseStream<T, S>> {
interface OfRef<T> extends TestData<T, Stream<T>> { }
interface OfDouble extends TestData<Double, DoubleStream> { }
}
interface BaseStream<T, S extends BaseStream<T, S>> { }
interface Stream<T> extends BaseStream<T, Stream<T>> {
<M> Stream<M> map(Function<T, M> s);
<R> R collect(Supplier<R> resultFactory, BiConsumer<R, ? super T> accumulator, BiConsumer<R, R> combiner);
<Z> Z[] toArray(IntFunction<Z[]> s);
}
interface DoubleStream extends BaseStream<Double, DoubleStream> {
DoubleStream filter(DoublePredicate dp);
double[] toArray();
}
interface DoublePredicate {
boolean p(double d);
}
<T, U, R, S_IN extends BaseStream<T, S_IN>, S_OUT extends BaseStream<U, S_OUT>>
R exerciseTerminalOps(TestData<T, S_IN> data,
Function<S_IN, S_OUT> streamF,
Function<S_OUT, R> terminalF) { return null; }
<O> TestData.OfRef<O> ofCollection(Collection<O> collection) { return null; }
void test1(TestData.OfDouble data, DoublePredicate dp) {
exerciseTerminalOps(data, s -> s.filter(dp), s -> s.toArray());
}
void test2(Function<Double, Integer> fdi, TestData.OfRef<Double> td, Stream<Integer> si) {
exerciseTerminalOps(
ofCollection((List<Double>)null),
s -> s.map(fdi),
s -> s.toArray(Integer[]::new));
}
}
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