langtools/test/tools/javac/lambda/TargetType15.java

/*
 * Copyright (c) 2011, 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 8003280
 * @summary Add lambda tests
 *  bad target-type inference lead to compiler crash
 * @author  Maurizio Cimadamore
 * @compile TargetType15.java
 */

class TargetType15 {

    interface SAM<T> {
        T foo(T a, T b);
    }

    void m1(SAM<? extends String> f_1) {}
    void m2(SAM<? super String> f_2) {}
    void m3(SAM<?> f_3) {}

    SAM<? extends String> f_1 = (a, b) -> a;
    SAM<? super String> f_2 = (a, b) -> a;
    SAM<?> f_3 = (a, b) -> a;

    {
        m1((a, b) -> a);
        m2((a, b) -> a);
        m3((a, b) -> a);
    }
}