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/*
* Copyright (c) 2021, 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
* @summary Test MethodHandle::invokeExact and MethodHandle::invoke throws
* UnsupportedOperationException when called via Method::invoke
* @run testng test.java.lang.invoke.MethodHandleInvokeUOE
*/
package test.java.lang.invoke;
import org.testng.*;
import org.testng.annotations.*;
import java.lang.invoke.MethodHandle;
import java.lang.invoke.MethodHandles;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import static java.lang.invoke.MethodType.*;
public class MethodHandleInvokeUOE {
@Test
public void testInvokeExact() throws Throwable {
Class<?> clz = MethodHandle.class;
String mname = "invokeExact";
Method m = clz.getDeclaredMethod(mname, Object[].class);
MethodHandle mh = MethodHandles.lookup().findVirtual(clz, mname, methodType(Object.class, Object[].class));
try {
m.invoke(mh, new Object[1]);
} catch (InvocationTargetException e) {
if (!(e.getCause() instanceof UnsupportedOperationException)) {
throw new RuntimeException("expected UnsupportedOperationException but got: "
+ e.getCause().getClass().getName(), e);
}
}
}
@Test
public void testInvoke() throws Throwable {
Class<?> clz = MethodHandle.class;
String mname = "invoke";
Method m = clz.getDeclaredMethod(mname, Object[].class);
MethodHandle mh = MethodHandles.lookup().findVirtual(clz, mname, methodType(Object.class, Object[].class));
try {
m.invoke(mh, new Object[1]);
} catch (InvocationTargetException e) {
if (!(e.getCause() instanceof UnsupportedOperationException)) {
throw new RuntimeException("expected UnsupportedOperationException but got: "
+ e.getCause().getClass().getName(), e);
}
}
}
}
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