public void testGenerateCorrect3Successors()
{
ICollection <IAction> actions = CollectionFactory.CreateQueue <IAction>(EightPuzzleFunctions.getActions(board));
Assert.AreEqual(3, actions.Size());
// test first successor
EightPuzzleBoard expectedFirst = new EightPuzzleBoard(new int[] { 1, 2,
0, 3, 4, 5, 6, 7, 8 });
EightPuzzleBoard actualFirst = (EightPuzzleBoard)EightPuzzleFunctions.getResult(board, actions.Get(0));
Assert.AreEqual(expectedFirst, actualFirst);
Assert.AreEqual(EightPuzzleBoard.UP, actions.Get(0));
// test second successor
EightPuzzleBoard expectedSecond = new EightPuzzleBoard(new int[] { 1,
2, 5, 3, 4, 8, 6, 7, 0 });
EightPuzzleBoard actualSecond = (EightPuzzleBoard)EightPuzzleFunctions.getResult(board, actions.Get(1));
Assert.AreEqual(expectedSecond, actualSecond);
Assert.AreEqual(EightPuzzleBoard.DOWN, actions.Get(1));
// test third successor
EightPuzzleBoard expectedThird = new EightPuzzleBoard(new int[] { 1, 2,
5, 3, 0, 4, 6, 7, 8 });
EightPuzzleBoard actualThird = (EightPuzzleBoard)EightPuzzleFunctions.getResult(board, actions.Get(2));
Assert.AreEqual(expectedThird, actualThird);
Assert.AreEqual(EightPuzzleBoard.LEFT, actions.Get(2));
}
public void testGenerateCorrectWhenGapMovedRightward()
{
board.moveGapLeft();// gives { 1, 2, 5, 3, 0, 4, 6, 7, 8 }
Assert.AreEqual(new EightPuzzleBoard(new int[] { 1, 2, 5, 3, 0, 4,
6, 7, 8 }), board);
ICollection <IAction> actions = CollectionFactory.CreateQueue <IAction>(EightPuzzleFunctions.getActions(board));
Assert.AreEqual(4, actions.Size());
EightPuzzleBoard expectedFourth = new EightPuzzleBoard(new int[] { 1,
2, 5, 3, 4, 0, 6, 7, 8 });
EightPuzzleBoard actualFourth = (EightPuzzleBoard)EightPuzzleFunctions.getResult(board, actions.Get(3));
Assert.AreEqual(expectedFourth, actualFourth);
Assert.AreEqual(EightPuzzleBoard.RIGHT, actions.Get(3));
}
