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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 org.junit.jupiter.api.Test;
20  
21  import static org.junit.jupiter.api.Assertions.assertEquals;
22  
23  /**
24   * <p>VertexTest class.</p>
25   *
26   * @author <a href="michal.maczka@dimatics.com">Michal Maczka</a>
27   * @version $Id: $Id
28   * @since 3.4.0
29   */
30  public class VertexTest {
31      /**
32       * <p>testVertex.</p>
33       */
34      @Test
35      public void testVertex() {
36  
37          final Vertex vertex1 = new Vertex("a");
38  
39          assertEquals("a", vertex1.getLabel());
40  
41          assertEquals(0, vertex1.getChildren().size());
42  
43          assertEquals(0, vertex1.getChildLabels().size());
44  
45          final Vertex vertex2 = new Vertex("b");
46  
47          assertEquals("b", vertex2.getLabel());
48  
49          vertex1.addEdgeTo(vertex2);
50  
51          assertEquals(1, vertex1.getChildren().size());
52  
53          assertEquals(1, vertex1.getChildLabels().size());
54  
55          assertEquals(vertex2, vertex1.getChildren().get(0));
56  
57          assertEquals("b", vertex1.getChildLabels().get(0));
58      }
59  }