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: AdjacentTileIteratorTest.java,v 1.2 2005/09/09 18:24:28 mat007 Exp $
29 */
30
31 package jtge.util.grid;
32
33 import java.util.Iterator;
34 import java.util.NoSuchElementException;
35 import jtge.util.grid.Coordinate;
36 import jtge.util.grid.Grid;
37 import jtge.util.grid.IGrid;
38 import jtge.util.grid.directiongroup.EightDirectionGroup;
39 import junit.framework.TestCase;
40
41 /***
42 * @author Jean-Laurent
43 * @version $Id: AdjacentTileIteratorTest.java,v 1.2 2005/09/09 18:24:28 mat007 Exp $
44 */
45 public class AdjacentTileIteratorTest extends TestCase
46 {
47 /***
48 * Tested object.
49 */
50 private IGrid grid;
51
52 protected void setUp()
53 {
54 grid = new Grid( 3, 3, new EightDirectionGroup() );
55 }
56
57 public void testEmptyGrid()
58 {
59 final Iterator iterator = grid.adjacentTileIterator( new Coordinate( 1, 1 ) );
60 assertFalse( iterator.hasNext() );
61 try
62 {
63 iterator.next();
64 }
65 catch( NoSuchElementException nsee )
66 {
67 return;
68 }
69 fail( "exception should have been thrown" );
70 }
71
72 public void testPartialGrid()
73 {
74 grid.setTile( new TestTile( 1 ), new Coordinate( 1, 0 ) );
75 grid.setTile( new TestTile( 2 ), new Coordinate( 2, 0 ) );
76 grid.setTile( new TestTile( 3 ), new Coordinate( 2, 2 ) );
77 grid.setTile( new TestTile( 4 ), new Coordinate( 1, 2 ) );
78 Iterator iterator = grid.adjacentTileIterator( new Coordinate( 1, 1 ) );
79 assertTrue( iterator.hasNext() );
80 assertEquals( 1, ((TestTile)iterator.next()).number );
81 assertTrue( iterator.hasNext() );
82 assertEquals( 2, ((TestTile)iterator.next()).number );
83 assertTrue( iterator.hasNext() );
84 assertEquals( 3, ((TestTile)iterator.next()).number );
85 assertTrue( iterator.hasNext() );
86 assertEquals( 4, ((TestTile)iterator.next()).number );
87 assertFalse( iterator.hasNext() );
88 try
89 {
90 iterator.next();
91 }
92 catch( NoSuchElementException nsee )
93 {
94 return;
95 }
96 fail( "exception should have been thrown" );
97 }
98 }