jdk/test/java/lang/invoke/TestPrivateMember.java

/*
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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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import java.lang.invoke.MethodHandle;
import java.lang.invoke.MethodHandles;
import java.lang.invoke.MethodType;

/**
 * @test
 * @bug 8007035
 * @summary Test MethodHandle of a private member
 *
 * @run main TestPrivateMember
 */

public class TestPrivateMember {
    public static void main(String... args) throws Throwable {
        System.setSecurityManager(new SecurityManager());
        TestPrivateMember t = new TestPrivateMember();
        t.test();
    }

    public TestPrivateMember() {
    }

    public void test() throws Throwable {
        MethodHandles.Lookup lookup = MethodHandles.lookup();
        MethodType mt = MethodType.methodType(void.class);
        try {
            Class<?> checkInittedHolder = TestPrivateMemberPackageSibling.class;
            // Original model:  checkInittedHolder = Class.class;
            // Not using Class.checkInitted because it could change without notice.
            MethodHandle mh = lookup.findStatic(checkInittedHolder, "checkInitted", mt);
            throw new RuntimeException("IllegalAccessException not thrown");
        } catch (IllegalAccessException e) {
            // okay
            System.out.println("Expected exception: " + e.getMessage());
        }
    }
}

class TestPrivateMemberPackageSibling {
    private static void checkInitted() { }
}