1 /*
2  * Copyright (C) 2017 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 {
20 
main(String[] args)21   public static void main(String[] args) {
22     System.loadLibrary(args[0]);
23 
24     test();
25 
26     try {
27       if (testCompiled(Main.class.getDeclaredMethod("test"))) {
28         System.out.println("test method successfully verified/compiled.");
29       } else {
30         System.out.println("test method failed to verify/compile.");
31       }
32     } catch (Exception e) {
33       System.out.println("Got unexpected exception: " + e);
34     }
35   }
36 
test()37   public static void test() {
38     int[] maybe_null_array = null;
39     for (int i = 0; i < 2; i++) {
40       int[] non_null_array = new int[1];
41       if (maybe_null_array != null) {
42         i = maybe_null_array[0] + 1;
43       }
44       maybe_null_array = non_null_array;
45     }
46   }
47 
testCompiled(Method method)48   public static native boolean testCompiled(Method method);
49 }
50