/* * Copyright (C) 2014 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import java.lang.reflect.InvocationTargetException; import java.lang.reflect.Method; public class Main { public static void main(String[] args) throws Throwable { // Attempt to instantiate an interface. $opt$NewInstance("newInstanceInterface", InstantiationError.class.getCanonicalName()); // Attempt to instantiate an abstract class. $opt$NewInstance("newInstanceClass", InstantiationError.class.getCanonicalName()); // Attempt to instantiate an interface. $opt$NewInstance("newInstancePrivateClass", IllegalAccessError.class.getCanonicalName()); // Attempt to instantiate an abstract class. $opt$NewInstance("newInstanceUnknownClass", NoClassDefFoundError.class.getCanonicalName()); } private static void $opt$NewInstance(String method, String errorName) throws Throwable { try { Class c = Class.forName("NewInstance"); Method m = c.getMethod(method); m.invoke(c.newInstance()); throw new RuntimeException("Failed to throw " + errorName); } catch (InvocationTargetException e) { if (!e.getCause().getClass().getCanonicalName().equals(errorName)) { throw new RuntimeException("Failed to throw " + errorName + ". Threw: " + e.getCause()); } } } }