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 import java.lang.reflect.InvocationTargetException; 18 import java.lang.reflect.Method; 19 20 public class Main { 21 22 public static void main(String[] args) throws Throwable { 23 // Attempt to instantiate an interface. 24 $opt$NewInstance("newInstanceInterface", InstantiationError.class.getCanonicalName()); 25 // Attempt to instantiate an abstract class. 26 $opt$NewInstance("newInstanceClass", InstantiationError.class.getCanonicalName()); 27 // Attempt to instantiate an interface. 28 $opt$NewInstance("newInstancePrivateClass", IllegalAccessError.class.getCanonicalName()); 29 // Attempt to instantiate an abstract class. 30 $opt$NewInstance("newInstanceUnknownClass", NoClassDefFoundError.class.getCanonicalName()); 31 } 32 33 private static void $opt$NewInstance(String method, String errorName) throws Throwable { 34 try { 35 Class<?> c = Class.forName("NewInstance"); 36 Method m = c.getMethod(method); 37 m.invoke(c.newInstance()); 38 throw new RuntimeException("Failed to throw " + errorName); 39 } catch (InvocationTargetException e) { 40 if (!e.getCause().getClass().getCanonicalName().equals(errorName)) { 41 throw new RuntimeException("Failed to throw " + errorName 42 + ". Threw: " + e.getCause()); 43 } 44 } 45 } 46 } 47
