/*

 * 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 7196190

 * @summary Improve method of handling MethodHandles

 *

 * @run main/othervm ClassForNameTest

 */

import java.lang.invoke.*;

import java.lang.reflect.Method;

import java.util.Arrays;

public class ClassForNameTest {

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

        {

            final MethodType mt = MethodType.methodType(Class.class, String.class);

            final MethodHandle mh = MethodHandles.lookup()

                    .findStatic(Class.class, "forName", mt);

            Class.forName(NAME);

            mh.invoke(NAME);

            mh.bindTo(NAME).invoke();

            mh.invokeWithArguments(Arrays.asList(NAME));

            mh.invokeWithArguments(NAME);

            Class cls = (Class) mh.invokeExact(NAME);

        }

        {

            final Method fnMethod = Class.class.getMethod("forName", String.class);

            final MethodType mt = MethodType.methodType(Object.class, Object.class, Object[].class);

            final MethodHandle mh = MethodHandles.lookup()

                    .findVirtual(Method.class, "invoke", mt)

                    .bindTo(fnMethod);

            fnMethod.invoke(null, NAME);

            mh.bindTo(null).bindTo(new Object[]{NAME}).invoke();

            mh.invoke(null, new Object[]{NAME});

            mh.invokeWithArguments(null, new Object[]{NAME});

            mh.invokeWithArguments(Arrays.asList(null, new Object[]{NAME}));

            Object obj = mh.invokeExact((Object) null, new Object[]{NAME});

        }

        {

            final Method fnMethod = Class.class.getMethod("forName", String.class);

            final MethodType mt = MethodType.methodType(Object.class, Object.class, Object[].class);

            final MethodHandle mh = MethodHandles.lookup()

                    .bind(fnMethod, "invoke", mt);

            mh.bindTo(null).bindTo(new Object[]{NAME}).invoke();

            mh.invoke(null, new Object[]{NAME});

            mh.invokeWithArguments(null, NAME);

            mh.invokeWithArguments(Arrays.asList(null, NAME));

            Object obj = mh.invokeExact((Object) null, new Object[]{NAME});

        }

        {

            final Method fnMethod = Class.class.getMethod("forName", String.class);

            final MethodHandle mh = MethodHandles.lookup().unreflect(fnMethod);

            mh.bindTo(NAME).invoke();

            mh.invoke(NAME);

            mh.invokeWithArguments(NAME);

            mh.invokeWithArguments(Arrays.asList(NAME));

            Class cls = (Class) mh.invokeExact(NAME);

        }

        System.out.println("TEST PASSED");

    }

}