| /* |
| * Copyright (c) 2016, 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. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * 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 |
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| * |
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| */ |
| |
| /** |
| * @test |
| * @bug 8152832 |
| * @summary Type inference regression in javac |
| * @compile T8152832.java |
| */ |
| |
| import java.util.function.*; |
| import java.util.stream.*; |
| import java.util.*; |
| |
| class T8152832 { |
| interface MyStream<T> extends Stream<T> { |
| public <U> List<U> toFlatList(Function<? super T, ? extends Collection<U>> mapper); |
| } |
| |
| static class MyStreamSupplier<T> { |
| public MyStream<T> get() { |
| return null; |
| } |
| } |
| |
| public static <T> void myStream(Supplier<Stream<T>> base, Consumer<MyStreamSupplier<T>> consumer) { |
| } |
| |
| public static void assertEquals(Object expected, Object actual) { |
| } |
| |
| public void test() { |
| List<List<String>> strings = Arrays.asList(); |
| List<String> expectedList = Arrays.asList(); |
| myStream(strings::stream, supplier -> { |
| assertEquals(expectedList, supplier.get().toFlatList(Function.identity())); |
| }); |
| } |
| } |