1 /*
2  * Copyright (C) 2014 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 public class Main {
initSignalTest()18     private static native void initSignalTest();
terminateSignalTest()19     private static native void terminateSignalTest();
testSignal()20     private static native int testSignal();
21 
stackOverflow()22     private static void stackOverflow() {
23         stackOverflow();
24     }
25 
main(String[] args)26     public static void main(String[] args) {
27         System.loadLibrary(args[0]);
28         System.out.println("init signal test");
29         initSignalTest();
30         try {
31             Object o = null;
32             int hash = o.hashCode();
33 
34             // Should never get here.
35             System.out.println("hash: " + hash);
36             throw new AssertionError();
37         } catch (NullPointerException e) {
38             System.out.println("Caught NullPointerException");
39         }
40         try {
41             stackOverflow();
42             // Should never get here.
43             throw new AssertionError();
44         } catch (StackOverflowError e) {
45             System.out.println("Caught StackOverflowError");
46         }
47 
48         // Test that a signal in native code works.  This will return
49         // the value 1234 if the signal is caught.
50         int x = testSignal();
51         if (x != 1234) {
52             throw new AssertionError();
53         }
54 
55         terminateSignalTest();
56         System.out.println("Signal test OK");
57     }
58 }
59