test/tools/javac/lambda/8016177/T8016177f.java

Fri, 30 May 2014 12:54:16 +0200

author
jlahoda
date
Fri, 30 May 2014 12:54:16 +0200
changeset 2410
e64bb2f5f0cf
parent 0
959103a6100f
permissions
-rw-r--r--

8031967: For some sources compiler compiles for ever
Summary: Avoid creating DeferredTypes for method calls with method calls as receivers if the site can be determined reliably
Reviewed-by: mcimadamore, vromero
Contributed-by: maurizio.cimadamore@oracle.com, jan.lahoda@oracle.com

aoqi@0 1 /*
aoqi@0 2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0 4 *
aoqi@0 5 * This code is free software; you can redistribute it and/or modify it
aoqi@0 6 * under the terms of the GNU General Public License version 2 only, as
aoqi@0 7 * published by the Free Software Foundation.
aoqi@0 8 *
aoqi@0 9 * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0 12 * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0 13 * accompanied this code).
aoqi@0 14 *
aoqi@0 15 * You should have received a copy of the GNU General Public License version
aoqi@0 16 * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0 18 *
aoqi@0 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0 20 * or visit www.oracle.com if you need additional information or have any
aoqi@0 21 * questions.
aoqi@0 22 */
aoqi@0 23
aoqi@0 24 /*
aoqi@0 25 * @test
aoqi@0 26 * @bug 8016081 8016178
aoqi@0 27 * @summary structural most specific and stuckness
aoqi@0 28 * @compile T8016177f.java
aoqi@0 29 */
aoqi@0 30 import java.util.*;
aoqi@0 31
aoqi@0 32 class T8016177f {
aoqi@0 33
aoqi@0 34 interface Function<S, T> {
aoqi@0 35 T apply(S s);
aoqi@0 36 }
aoqi@0 37
aoqi@0 38 interface IntFunction<T> {
aoqi@0 39 T apply(int s);
aoqi@0 40 }
aoqi@0 41
aoqi@0 42
aoqi@0 43 interface BiConsumer<X,Y> {
aoqi@0 44 void m(X x, Y y);
aoqi@0 45 }
aoqi@0 46
aoqi@0 47 interface Consumer<X> {
aoqi@0 48 void m(X x);
aoqi@0 49 }
aoqi@0 50
aoqi@0 51 interface Supplier<X> {
aoqi@0 52 X make();
aoqi@0 53 }
aoqi@0 54
aoqi@0 55 interface TestData<T, S extends BaseStream<T, S>> {
aoqi@0 56 interface OfRef<T> extends TestData<T, Stream<T>> { }
aoqi@0 57 interface OfDouble extends TestData<Double, DoubleStream> { }
aoqi@0 58 }
aoqi@0 59
aoqi@0 60 interface BaseStream<T, S extends BaseStream<T, S>> { }
aoqi@0 61
aoqi@0 62 interface Stream<T> extends BaseStream<T, Stream<T>> {
aoqi@0 63 <M> Stream<M> map(Function<T, M> s);
aoqi@0 64 <R> R collect(Supplier<R> resultFactory, BiConsumer<R, ? super T> accumulator, BiConsumer<R, R> combiner);
aoqi@0 65 <Z> Z[] toArray(IntFunction<Z[]> s);
aoqi@0 66 }
aoqi@0 67
aoqi@0 68 interface DoubleStream extends BaseStream<Double, DoubleStream> {
aoqi@0 69 DoubleStream filter(DoublePredicate dp);
aoqi@0 70 double[] toArray();
aoqi@0 71 }
aoqi@0 72
aoqi@0 73 interface DoublePredicate {
aoqi@0 74 boolean p(double d);
aoqi@0 75 }
aoqi@0 76
aoqi@0 77 <T, U, R, S_IN extends BaseStream<T, S_IN>, S_OUT extends BaseStream<U, S_OUT>>
aoqi@0 78 R exerciseTerminalOps(TestData<T, S_IN> data,
aoqi@0 79 Function<S_IN, S_OUT> streamF,
aoqi@0 80 Function<S_OUT, R> terminalF) { return null; }
aoqi@0 81
aoqi@0 82 <O> TestData.OfRef<O> ofCollection(Collection<O> collection) { return null; }
aoqi@0 83
aoqi@0 84 void test1(TestData.OfDouble data, DoublePredicate dp) {
aoqi@0 85 exerciseTerminalOps(data, s -> s.filter(dp), s -> s.toArray());
aoqi@0 86 }
aoqi@0 87
aoqi@0 88 void test2(Function<Double, Integer> fdi, TestData.OfRef<Double> td, Stream<Integer> si) {
aoqi@0 89 exerciseTerminalOps(
aoqi@0 90 ofCollection((List<Double>)null),
aoqi@0 91 s -> s.map(fdi),
aoqi@0 92 s -> s.toArray(Integer[]::new));
aoqi@0 93 }
aoqi@0 94 }

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