1   /***
2    * Redistribution  and use  in source  and binary  forms, with  or without
3    * modification, are permitted provided  that the following conditions are
4    * met :
5    *
6    * . Redistributions  of  source  code  must  retain  the  above copyright
7    *   notice, this list of conditions and the following disclaimer.
8    *
9    * . Redistributions in  binary form  must reproduce  the above  copyright
10   *   notice, this list of conditions  and the following disclaimer in  the
11   *   documentation and/or other materials provided with the distribution.
12   *
13   * . The name of the author may not be used to endorse or promote products
14   *   derived from this software without specific prior written permission.
15   *
16   * THIS SOFTWARE IS  PROVIDED BY THE  AUTHOR ``AS IS''  AND ANY EXPRESS  OR
17   * IMPLIED  WARRANTIES,  INCLUDING,  BUT   NOT  LIMITED  TO,  THE   IMPLIED
18   * WARRANTIES OF MERCHANTABILITY AND  FITNESS FOR A PARTICULAR  PURPOSE ARE
19   * DISCLAIMED.  IN NO  EVENT SHALL  THE AUTHOR  BE LIABLE  FOR ANY  DIRECT,
20   * INDIRECT,  INCIDENTAL,  SPECIAL,  EXEMPLARY,  OR  CONSEQUENTIAL  DAMAGES
21   * (INCLUDING,  BUT  NOT LIMITED  TO,  PROCUREMENT OF  SUBSTITUTE  GOODS OR
22   * SERVICES;  LOSS  OF USE,  DATA,  OR PROFITS;  OR  BUSINESS INTERRUPTION)
23   * HOWEVER CAUSED  AND ON  ANY THEORY  OF LIABILITY,  WHETHER IN  CONTRACT,
24   * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
25   * ANY  WAY  OUT OF  THE  USE OF  THIS  SOFTWARE, EVEN  IF  ADVISED OF  THE
26   * POSSIBILITY OF SUCH DAMAGE.
27   *
28   * $Id: VerticalTorusTest.java,v 1.7 2005/09/09 22:12:03 mat007 Exp $
29   */
30  
31  package jtge.util.grid.torus;
32  
33  import jtge.util.grid.Coordinate;
34  import junit.framework.TestCase;
35  
36  /***
37   * @author Jean-Laurent
38   * @version $Revision: 1.7 $ $Date: 2005/09/09 22:12:03 $
39   */
40  public class VerticalTorusTest extends TestCase
41  {
42      /***
43       * Tested object.
44       */
45      private VerticalTorus torus;
46  
47      protected final void setUp()
48      {
49          torus = new VerticalTorus( 10 );
50      }
51  
52      public void testWithinRangeCoordinateTransformationIsInvariant()
53      {
54          final Coordinate coordinate = new Coordinate( 5, 5 );
55          assertEquals( coordinate, torus.transform( coordinate ) );
56      }
57  
58      public void testWithinEdgeCoordinatesTransformationIsInvariant()
59      {
60          final Coordinate lower = new Coordinate( 0, 0 );
61          assertEquals( lower, torus.transform( lower ) );
62          final Coordinate higher = new Coordinate( 9, 9 );
63          assertEquals( higher, torus.transform( higher ) );
64      }
65  
66      public void testWithinNegativeCoordinateTransformationMovesItIntoRange()
67      {
68          final Coordinate negative = new Coordinate( -1, -1 );
69          assertEquals( new Coordinate( -1, 9 ), torus.transform( negative ) );
70      }
71  
72      public void testWithinOutOfBoundsCoordinateTransformationMovesItIntoRange()
73      {
74          final Coordinate outOfBounds = new Coordinate( 10, 10 );
75          assertEquals( new Coordinate( 10, 0 ), torus.transform( outOfBounds ) );
76      }
77  }