langtools/test/tools/javac/lambda/TargetType59.java

/*
 * 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.
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/*
 * @test
 * @bug 8007464
 * @summary Add graph inference support
 *          more smoke tests for graph inference
 * @compile TargetType59.java
 */
import java.util.*;
import java.util.function.*;
import java.util.stream.*;

class TargetType59 {

    <T, R> Collector<T, String, R> m(Supplier<? extends R> supplier, BiConsumer<R, T> accumulator) {
        return null;
    }

    <T, C extends Collection<T>> Collector<T, String, C> test1(Supplier<C> collectionFactory) {
        return m(collectionFactory, Collection::add);
    }

    Collector<String, String, StringBuilder> test2(Supplier<StringBuilder> sb) {
        return m(sb, StringBuilder::append);
    }
}