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/*
* Copyright (c) 2017, 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 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) {
}
}
}
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