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: FlatShiftedHexagonDirectionGroupTest.java,v 1.4 2005/09/09 18:24:27 mat007 Exp $
29   */
30  
31  package jtge.util.grid.hex.directiongroup;
32  
33  import jtge.util.grid.Coordinate;
34  import jtge.util.grid.direction.Direction;
35  import jtge.util.grid.directiongroup.FlatShiftedHexagonDirectionGroup;
36  import junit.framework.TestCase;
37  
38  /***
39   *
40   * @author Jean-Laurent Fabre de Morlhon
41   * @version $Id: FlatShiftedHexagonDirectionGroupTest.java,v 1.4 2005/09/09 18:24:27 mat007 Exp $
42   */
43  public class FlatShiftedHexagonDirectionGroupTest extends TestCase
44  {
45      /*
46          0 1 2 3
47          | | | |
48          | _ | |
49          _/b\_
50       0 /a\_/c\_
51         \_/e\_/j\
52       1 /d\_/f\_/
53         \_/h\_/k\
54       2   \_/i\_/
55             \_/
56  
57       e(1,1)  adj => b,c,f,h,d,a
58       f(2,1)  adj => c,j,k,i,h,e
59      */
60      public void testGetAdjacent()
61      {
62          FlatShiftedHexagonDirectionGroup group = new FlatShiftedHexagonDirectionGroup();
63          Coordinate a, b, c, d, e, f, h, i, j, k;
64          a = new Coordinate( 0, 0 );
65          b = new Coordinate( 1, 0 );
66          c = new Coordinate( 2, 0 );
67          d = new Coordinate( 0, 1 );
68          e = new Coordinate( 1, 1 );
69          f = new Coordinate( 2, 1 );
70          h = new Coordinate( 1, 2 );
71          i = new Coordinate( 2, 2 );
72          j = new Coordinate( 3, 1 );
73          k = new Coordinate( 3, 2 );
74          assertEquals( b, Direction.NORTH.transform( e, group ) );
75          assertEquals( c, Direction.NORTH_EAST.transform( e, group ) );
76          assertEquals( f, Direction.SOUTH_EAST.transform( e, group ) );
77          assertEquals( h, Direction.SOUTH.transform( e, group ) );
78          assertEquals( d, Direction.SOUTH_WEST.transform( e, group ) );
79          assertEquals( a, Direction.NORTH_WEST.transform( e, group ) );
80          assertEquals( c, Direction.NORTH.transform( f, group ) );
81          assertEquals( j, Direction.NORTH_EAST.transform( f, group ) );
82          assertEquals( k, Direction.SOUTH_EAST.transform( f, group ) );
83          assertEquals( i, Direction.SOUTH.transform( f, group ) );
84          assertEquals( h, Direction.SOUTH_WEST.transform( f, group ) );
85          assertEquals( e, Direction.NORTH_WEST.transform( f, group ) );
86      }
87  }