WordsearchSolver Unit Test

import java.util.*;
public class WordSearchSolverTest extends junit.framework.TestCase
{
    private char board[][];
    private ArrayList<String> wordlist;

    public WordSearchSolverTest()
    {
    }

    /**
     * Sets up the test fixture.
     *
     * Called before every test case method.
     */
    protected void setUp()
    {
        wordlist = new ArrayList<String>();
    }

    public void testOneHorizontal()
    {
        char [][] board = { {'X', 'X','X','X'},
                            {'X', 'C','A','T'},
                            {'X', 'X','X','X'},
                            {'X', 'X','X','X'}};
        wordlist.add("CAT");
        WordSearchSolver ws = new WordSearchSolver(3, board, wordlist);
        ArrayList<PuzzleWord> results = ws.findwords();
        assertEquals("wrong number of results",1,results.size());
    }

}