xref: /aosp_15_r20/art/test/044-proxy/src/Clash2.java (revision 795d594fd825385562da6b089ea9b2033f3abf5a)
1*795d594fSAndroid Build Coastguard Worker /*
2*795d594fSAndroid Build Coastguard Worker  * Copyright (C) 2008 The Android Open Source Project
3*795d594fSAndroid Build Coastguard Worker  *
4*795d594fSAndroid Build Coastguard Worker  * Licensed under the Apache License, Version 2.0 (the "License");
5*795d594fSAndroid Build Coastguard Worker  * you may not use this file except in compliance with the License.
6*795d594fSAndroid Build Coastguard Worker  * You may obtain a copy of the License at
7*795d594fSAndroid Build Coastguard Worker  *
8*795d594fSAndroid Build Coastguard Worker  *      http://www.apache.org/licenses/LICENSE-2.0
9*795d594fSAndroid Build Coastguard Worker  *
10*795d594fSAndroid Build Coastguard Worker  * Unless required by applicable law or agreed to in writing, software
11*795d594fSAndroid Build Coastguard Worker  * distributed under the License is distributed on an "AS IS" BASIS,
12*795d594fSAndroid Build Coastguard Worker  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13*795d594fSAndroid Build Coastguard Worker  * See the License for the specific language governing permissions and
14*795d594fSAndroid Build Coastguard Worker  * limitations under the License.
15*795d594fSAndroid Build Coastguard Worker  */
16*795d594fSAndroid Build Coastguard Worker 
17*795d594fSAndroid Build Coastguard Worker import java.lang.reflect.InvocationHandler;
18*795d594fSAndroid Build Coastguard Worker import java.lang.reflect.InvocationTargetException;
19*795d594fSAndroid Build Coastguard Worker import java.lang.reflect.Method;
20*795d594fSAndroid Build Coastguard Worker import java.lang.reflect.Proxy;
21*795d594fSAndroid Build Coastguard Worker 
22*795d594fSAndroid Build Coastguard Worker /*
23*795d594fSAndroid Build Coastguard Worker  * Try to instantiate a proxy class with interfaces that have conflicting
24*795d594fSAndroid Build Coastguard Worker  * duplicate methods (primitive types).
25*795d594fSAndroid Build Coastguard Worker  */
26*795d594fSAndroid Build Coastguard Worker public class Clash2 {
main(String[] args)27*795d594fSAndroid Build Coastguard Worker     public static void main(String[] args) {
28*795d594fSAndroid Build Coastguard Worker         InvocationHandler handler = new Clash2InvocationHandler();
29*795d594fSAndroid Build Coastguard Worker 
30*795d594fSAndroid Build Coastguard Worker         try {
31*795d594fSAndroid Build Coastguard Worker             Proxy.newProxyInstance(Clash.class.getClassLoader(),
32*795d594fSAndroid Build Coastguard Worker                 new Class<?>[] { Interface2A.class, Interface2B.class },
33*795d594fSAndroid Build Coastguard Worker                 handler);
34*795d594fSAndroid Build Coastguard Worker             System.out.println("Clash2 did not throw expected exception");
35*795d594fSAndroid Build Coastguard Worker         } catch (IllegalArgumentException iae) {
36*795d594fSAndroid Build Coastguard Worker             System.out.println("Clash2 threw expected exception");
37*795d594fSAndroid Build Coastguard Worker         }
38*795d594fSAndroid Build Coastguard Worker     }
39*795d594fSAndroid Build Coastguard Worker }
40*795d594fSAndroid Build Coastguard Worker 
41*795d594fSAndroid Build Coastguard Worker interface Interface2A {
thisIsOkay()42*795d594fSAndroid Build Coastguard Worker     public int thisIsOkay();
43*795d594fSAndroid Build Coastguard Worker 
thisIsTrouble()44*795d594fSAndroid Build Coastguard Worker     public int thisIsTrouble();
45*795d594fSAndroid Build Coastguard Worker }
46*795d594fSAndroid Build Coastguard Worker 
47*795d594fSAndroid Build Coastguard Worker interface Interface2B {
thisIsOkay()48*795d594fSAndroid Build Coastguard Worker     public int thisIsOkay();
49*795d594fSAndroid Build Coastguard Worker 
thisIsTrouble()50*795d594fSAndroid Build Coastguard Worker     public short thisIsTrouble();
51*795d594fSAndroid Build Coastguard Worker }
52*795d594fSAndroid Build Coastguard Worker 
53*795d594fSAndroid Build Coastguard Worker class Clash2InvocationHandler implements InvocationHandler {
54*795d594fSAndroid Build Coastguard Worker     /* don't really need to do anything -- should never get this far */
invoke(Object proxy, Method method, Object[] args)55*795d594fSAndroid Build Coastguard Worker     public Object invoke(Object proxy, Method method, Object[] args)
56*795d594fSAndroid Build Coastguard Worker         throws Throwable {
57*795d594fSAndroid Build Coastguard Worker 
58*795d594fSAndroid Build Coastguard Worker         return null;
59*795d594fSAndroid Build Coastguard Worker     }
60*795d594fSAndroid Build Coastguard Worker }
61