public void TestTransitionState()
{
int[] board = { 1, 2, 3, 4, 0, 5, 6, 7, 8 };
SlidingPuzzle puzzle = new SlidingPuzzle(board);
Queue <int[]> expectedQ = new Queue <int[]>();
SlidingPuzzleAction[] actions = new SlidingPuzzleAction[4];
actions[0] = new SlidingPuzzleAction(4, 4 - 1);
actions[1] = new SlidingPuzzleAction(4, 4 + 1);
actions[2] = new SlidingPuzzleAction(4, 4 - 3);
actions[3] = new SlidingPuzzleAction(4, 4 + 3);
expectedQ.Enqueue(new int[] { 1, 2, 3, 0, 4, 5, 6, 7, 8 });
expectedQ.Enqueue(new int[] { 1, 2, 3, 4, 5, 0, 6, 7, 8 });
expectedQ.Enqueue(new int[] { 1, 0, 3, 4, 2, 5, 6, 7, 8 });
expectedQ.Enqueue(new int[] { 1, 2, 3, 4, 7, 5, 6, 0, 8 });
for (int i = 0; i < 4; i++)
{
System.Console.WriteLine("Testing TransitionState(" +
string.Format("SlidingPuzzleAction {0}",
actions[i].ToString()));
string actual = puzzle.TransitionState(actions[i]);
string expected = "{" + string.Join(",",
expectedQ.Dequeue()) + "}";
Assert.Equal(actual, expected);
}
}