1 /* 2 * Copyright (C) 2015 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.io.File; 18 import java.lang.reflect.Constructor; 19 import java.lang.reflect.Method; 20 21 /** 22 * Structural hazard test. 23 */ 24 public class Main { main(String[] args)25 public static void main(String[] args) { 26 System.loadLibrary(args[0]); 27 new Main().run(); 28 } 29 run()30 private void run() { 31 try { 32 Class<?> bClass = getClass().getClassLoader().loadClass("A"); 33 System.out.println("Should really reach here."); 34 } catch (Exception e) { 35 e.printStackTrace(System.out); 36 } 37 38 boolean haveOatFile = hasOatFile(); 39 boolean gotError = false; 40 try { 41 Class<?> bClass = getClass().getClassLoader().loadClass("B"); 42 } catch (IncompatibleClassChangeError icce) { 43 gotError = true; 44 } catch (Exception e) { 45 e.printStackTrace(System.out); 46 } 47 if (haveOatFile ^ gotError) { 48 System.out.println("Did not get expected error. " + haveOatFile + " " + gotError); 49 } 50 System.out.println("Done."); 51 } 52 hasOatFile()53 private native static boolean hasOatFile(); 54 } 55