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("arttest");
28 
29         System.out.println("init signal test");
30         initSignalTest();
31         try {
32             Object o = null;
33             int hash = o.hashCode();
34 
35             // Should never get here.
36             System.out.println("hash: " + hash);
37             throw new AssertionError();
38         } catch (NullPointerException e) {
39             System.out.println("Caught NullPointerException");
40         }
41         try {
42             stackOverflow();
43             // Should never get here.
44             throw new AssertionError();
45         } catch (StackOverflowError e) {
46             System.out.println("Caught StackOverflowError");
47         }
48 
49         // Test that a signal in native code works.  This will return
50         // the value 1234 if the signal is caught.
51         int x = testSignal();
52         if (x != 1234) {
53             throw new AssertionError();
54         }
55 
56         terminateSignalTest();
57         System.out.println("Signal test OK");
58     }
59 }
60