langtools/test/tools/javac/lambda/MethodReference55.java

/*
 * Copyright (c) 2012, 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 8004101
 * @summary Add checks for method reference well-formedness
 * @compile/fail/ref=MethodReference55.out -XDrawDiagnostics MethodReference55.java
 */
class MethodReference55<X> {

    interface V {
        void m(Object o);
    }

    V v = new MethodReference55<String>()::m;

    void test() {
        g(new MethodReference55<String>()::m);
    }

    void g(V v) { }

    static void m(Object o) { };
}