jdk-24/test/langtools/tools/javac/generics/inference/8152832/T8152832.java
Jonathan Gibbons 73fa99ae86 8213263: fix legal headers in test/langtools
Reviewed-by: darcy
2018-11-01 14:32:55 -07:00

59 lines
1.9 KiB
Java

/*
* 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.
*
* 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 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()));
});
}
}