MethodReference58.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.
 *
 * 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 8004102 8078024
 * @summary Add support for generic functional descriptors
 * @compile/fail/ref=MethodReference58.out -XDrawDiagnostics MethodReference58.java
 */
class MethodReference58 {

    interface F_Object {
        <X> void m(X x);
    }

    interface F_Integer {
        <X extends Integer> void m(X x);
    }

    void test() {
        F_Object f1 = this::g; //incompatible bounds
        F_Integer f2 = this::g; //ok
    }

    <Z extends Number> void g(Z z) { }
}