/*

 * Copyright (c) 2014, 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 8032711

 * @summary Issue with Lambda in handling

 */

import java.lang.invoke.LambdaMetafactory;

import java.lang.invoke.LambdaConversionException;

import java.lang.invoke.MethodHandle;

import java.lang.invoke.MethodHandles;

import java.lang.invoke.MethodType;

public class T8032711 {

    interface I {

        void m();

    }

    static void here() {}

    static MethodHandles.Lookup l;

    static MethodHandle h;

    private static MethodType mt(Class<?> k) { return MethodType.methodType(k); }

    private static boolean mf(Class<?> k) {

        try {

            LambdaMetafactory.metafactory(l, "m",

                mt(I.class),mt(k),h,mt(void.class));

        } catch(LambdaConversionException e) {

            return true;

        }

        return false;

    }

    public static void main(String[] args) throws Throwable {

        l = MethodHandles.lookup();

        h = l.findStatic(T8032711.class, "here", mt(void.class));

        if (mf(void.class)) throw new AssertionError("Error: Should work");

        if (!mf(String.class)) throw new AssertionError("Error: Should fail");

    }

}