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 { 18 private static native void initSignalTest(); 19 private static native void terminateSignalTest(); 20 private static native int testSignal(); 21 22 private static void stackOverflow() { 23 stackOverflow(); 24 } 25 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
