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 * 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 8177146

 * @run testng/othervm TestMethodHandleBind

 */

import org.testng.annotations.Test;

import java.lang.invoke.MethodHandle;

import java.lang.invoke.MethodType;

import static java.lang.invoke.MethodHandles.lookup;

import static org.testng.Assert.*;

public class TestMethodHandleBind extends pkg.A {

    static class B extends TestMethodHandleBind {}

    @Test

    public void testInstanceOfCallerClass() throws Throwable {

        MethodHandle bound = lookup().bind(new TestMethodHandleBind() , "m1", MethodType.methodType(String.class));

        String x = (String)bound.invoke();

        assertEquals(x, this.getClass().getSimpleName());

    }

    @Test

    public void testInstanceOfCallerSubclass() throws Throwable {

        MethodHandle bound = lookup().bind(new B() , "m1", MethodType.methodType(String.class));

        // MethodHandle bound = lookup().findVirtual(B.class,  "m1", MethodType.methodType(String.class)).bindTo(new B());

        String x = (String)bound.invoke();

        assertEquals(x, "B");

    }

    @Test

    public void testInstanceOfReceiverClass() throws Throwable {

        try {

            MethodHandle bound = lookup().bind(new pkg.A() , "m1", MethodType.methodType(String.class));

            bound.invoke();

            fail("IllegalAccessException expected");

        } catch (IllegalAccessException e) {

        }

    }

    @Test

    public void testPublicMethod() throws Throwable {

        MethodHandle bound = lookup().bind(new pkg.A() , "m2", MethodType.methodType(String.class));

        String x = (String)bound.invoke();

        assertEquals(x, "A");

    }

    @Test

    public void testPublicMethod2() throws Throwable {

        MethodHandle bound = lookup().bind(new TestMethodHandleBind(), "m2", MethodType.methodType(String.class));

        String x = (String)bound.invoke();

        assertEquals(x, this.getClass().getSimpleName());

    }

    @Test

    public void testInstanceOfCallerClassVarargs() throws Throwable {

        MethodHandle bound = lookup().bind(new TestMethodHandleBind() , "m3", MethodType.methodType(String.class, String[].class));

        String x = (String)bound.invoke("a", "b", "c");

        assertEquals(x, this.getClass().getSimpleName() + "abc");

    }

    @Test

    public void testInstanceOfReceiverClassVarargs() throws Throwable {

        try {

            MethodHandle bound = lookup().bind(new pkg.A(), "m3", MethodType.methodType(String.class, String[].class));

            bound.invoke();

            fail("IllegalAccessException expected");

        } catch (IllegalAccessException e) {

        }

    }

}