1 /*
 2  * Copyright (c) 2023, Oracle and/or its affiliates. All rights reserved.
 3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 4  *
 5  * This code is free software; you can redistribute it and/or modify it
 6  * under the terms of the GNU General Public License version 2 only, as
 7  * published by the Free Software Foundation.
 8  *
 9  * This code is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12  * version 2 for more details (a copy is included in the LICENSE file that
13  * accompanied this code).
14  *
15  * You should have received a copy of the GNU General Public License version
16  * 2 along with this work; if not, write to the Free Software Foundation,
17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18  *
19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20  * or visit www.oracle.com if you need additional information or have any
21  * questions.
22  *
23  */
24 
25 package testpkg;
26 
27 import java.lang.reflect.InvocationHandler;
28 import java.lang.reflect.Method;
29 import java.lang.reflect.Proxy;
30 
31 import jdk.test.lib.Asserts;
32 
33 public class PublicTester {
34     public static Class<?> test() {
35         NonPublicInterface npi = (NonPublicInterface) Proxy.newProxyInstance(
36             PublicTester.class.getClassLoader(), 
37             new Class[] { NonPublicInterface.class, Runnable.class },
38             new MyInvocationHandler2());
39         System.out.println(npi.getClass());
40         System.out.println(npi.getClass().getPackage());
41         System.out.println(npi.getClass().getModule());
42         System.out.println(PublicTester.class.getModule());
43         System.out.println(npi.m());
44 
45         Asserts.assertSame(PublicTester.class.getModule(), npi.getClass().getModule(),
46                            "proxies for non-public interfaces should be in same module as the interface");
47         Asserts.assertSame(PublicTester.class.getPackage(), npi.getClass().getPackage(),
48                            "proxies for non-public interfaces should be in same package as the interface");
49 
50         return npi.getClass();
51     }
52 }
53 
54 class MyInvocationHandler2 implements InvocationHandler {
55     public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
56         return method.getName() + " in() " + proxy.getClass() + " is called";
57     }
58 }
59 
60 interface NonPublicInterface {
61     Object m();
62 }