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
17import java.lang.reflect.InvocationTargetException;
18import java.lang.reflect.Method;
19
20public 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