Tue, 10 Sep 2013 13:47:51 +0200
8005222: Fixed bugs should have tests with bugid in @bug tag
Reviewed-by: jfranck, jjg
Contributed-by: Andreas Lundblad <andreas.lundblad@oracle.com>
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
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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 }