1 /*
2  * Copyright (C) 2018 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 import java.lang.reflect.Method;
18 
19 public class Main {
main(String[] args)20   public static void main(String[] args) throws Exception {
21     System.loadLibrary(args[0]);
22 
23     Class<?> c = Class.forName("Test");
24     ensureJitCompiled(c, "testEmpty");
25     ensureJitCompiled(c, "testPrimitive");
26 
27     Method m = c.getMethod("testEmpty");
28     m.invoke(c.newInstance());
29     if (field != null) {
30       throw new Error("Expected null");
31     }
32 
33     m = c.getMethod("testPrimitive");
34     int a = (Integer)m.invoke(c.newInstance());
35     if (a != 1) {
36       throw new Error("Expected 1, got " + a);
37     }
38     if (field != null) {
39       throw new Error("Expected null");
40     }
41   }
42 
43   public static Object field;
44 
ensureJitCompiled(Class<?> itf, String method_name)45   private static native void ensureJitCompiled(Class<?> itf, String method_name);
getThisOfCaller()46   public static native Object getThisOfCaller();
47 }
48