content: /*
   * Copyright (C) 2008 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.
   */
  
  /**
   * Test exception throwing.
   */
  public class Throw {
      public void throwNullPointerException() {
          throw new NullPointerException("npe!");
      }
  
      public void throwArithmeticException() {
          throw new ArithmeticException();
      }
  
      public void one() {
          System.out.println("Throw.one");
          try {
              throwNullPointerException();
              Main.assertTrue(false);
          } catch (Exception ex) {
              // good
              return;
          }
  
          Main.assertTrue(false);
      }
  
      public void twoA() {
          System.out.println("Throw.twoA");
          boolean gotN = false;
          boolean gotA = false;
          boolean gotWeird = false;
  
          try {
              try {
                  throwArithmeticException();
                  gotWeird = true;
              } catch (ArithmeticException ae) {
                  gotA = true;
              }
          } catch (NullPointerException npe) {
              gotN = true;
          }
  
          Main.assertTrue(gotA);
          Main.assertTrue(!gotN);
          Main.assertTrue(!gotWeird);
      }
  
      public void twoN() {
          System.out.println("Throw.twoN");
          boolean gotN = false;
          boolean gotA = false;
          boolean gotWeird = false;
  
          try {
              try {
                  throwNullPointerException();
                  gotWeird = true;
              } catch (ArithmeticException ae) {
                  gotA = true;
              }
          } catch (NullPointerException npe) {
              gotN = true;
          }
  
          Main.assertTrue(!gotA);
          Main.assertTrue(gotN);
          Main.assertTrue(!gotWeird);
      }
  
      public void rethrow() {
          System.out.println("Throw.rethrow");
          boolean caught = false;
          boolean lly = false;
          boolean second = false;
  
          try {
              try {
                  throwNullPointerException();
                  Main.assertTrue(false);
              } catch (Exception ex) {
                  if (ex instanceof ArithmeticException) {
                      Main.assertTrue(false);
                  }
                  if (ex instanceof NullPointerException) {
                      caught = true;
                      throw (NullPointerException) ex;
                  }
              } finally {
                  lly = true;
              }
          } catch (Exception ex) {
              second = true;
          }
  
          Main.assertTrue(caught);
          Main.assertTrue(lly);
          Main.assertTrue(second);
      }
  
      public static void run() {
          Throw th = new Throw();
  
          th.one();
          th.twoA();
          th.twoN();
          th.rethrow();
      }
  }
  