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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  /**
22   * @author <a href="michal.maczka@dimatics.com">Michal Maczka</a>
23   * @version $Id$
24   */
25  public class VertexTest
26      extends TestCase
27  {
28      public void testVertex()
29      {
30  
31          final Vertex vertex1 = new Vertex( "a" );
32  
33          assertEquals( "a", vertex1.getLabel() );
34  
35          assertEquals( 0, vertex1.getChildren().size() );
36  
37          assertEquals( 0, vertex1.getChildLabels().size() );
38  
39          final Vertex vertex2 = new Vertex( "b" );
40  
41          assertEquals( "b", vertex2.getLabel() );
42  
43          vertex1.addEdgeTo( vertex2 );
44  
45          assertEquals( 1, vertex1.getChildren().size() );
46  
47          assertEquals( 1, vertex1.getChildLabels().size() );
48  
49          assertEquals( vertex2, vertex1.getChildren().get( 0 ) );
50  
51          assertEquals( "b", vertex1.getChildLabels().get( 0 ) );
52  
53      }
54  }