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1   package org.codehaus.plexus.util.dag;
2   
3   /*
4    * Copyright The Codehaus Foundation.
5    *
6    * Licensed under the Apache License, Version 2.0 (the "License");
7    * you may not use this file except in compliance with the License.
8    * You may obtain a copy of the License at
9    *
10   *     http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing, software
13   * distributed under the License is distributed on an "AS IS" BASIS,
14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15   * See the License for the specific language governing permissions and
16   * limitations under the License.
17   */
18  
19  import junit.framework.TestCase;
20  
21  import java.util.ArrayList;
22  import java.util.List;
23  
24  /**
25   * @author <a href="mailto:jason@maven.org">Jason van Zyl</a>
26   * @version $Id$
27   */
28  public class CycleDetectedExceptionTest
29      extends TestCase
30  {
31      public void testException()
32      {
33          final List<String> cycle = new ArrayList<String>();
34  
35          cycle.add( "a" );
36  
37          cycle.add( "b" );
38  
39          cycle.add( "a" );
40  
41          final CycleDetectedException e = new CycleDetectedException( "Cycle detected", cycle );
42  
43          assertEquals( "Cycle detected a --> b --> a", e.getMessage() );
44      }
45  }