1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    * 
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   * 
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  
18  package org.apache.commons.math;
19  
20  import junit.framework.AssertionFailedError;
21  import junit.framework.TestCase;
22  
23  /**
24   * A TestCase that retries tests when assertions fail.
25   * <p>
26   * If one or more tests throw an AssertionFailedError, all tests are 
27   * repeated one time.  
28   * <p>
29   * Errors or exceptions other than AssertionFailedError do not lead to retries.
30   *
31   * @version $Revision: 762087 $ $Date: 2009-04-05 10:20:18 -0400 (Sun, 05 Apr 2009) $
32   */
33  public abstract class RetryTestCase extends TestCase {
34  
35      public RetryTestCase() {
36          super();
37      }
38  
39      public RetryTestCase(String arg0) {
40          super(arg0);
41      }
42      
43      /**
44       *  Override runTest() to catch AssertionFailedError and retry
45       */
46      @Override
47      protected void runTest() throws Throwable {
48          try {
49              super.runTest();
50          } catch (AssertionFailedError err) {
51              // System.out.println("Retrying " + this.getName());
52              super.runTest();
53          }    
54      }
55  
56  }