public void test_Turn()
{
var rand = new Random();
Direction dir = (Direction)rand.Next(0, 4);
DirectionStateMachine dsm = new DirectionStateMachine(dir);
dsm.TurnLeft();
dsm.TurnRight();
Assert.AreEqual(dir, dsm.Get());
dsm.TurnRight();
dsm.TurnLeft();
Assert.AreEqual(dir, dsm.Get());
dsm.TurnRight();
dsm.TurnRight();
dsm.TurnRight();
dsm.TurnRight();
Assert.AreEqual(dir, dsm.Get());
dsm.TurnLeft();
dsm.TurnLeft();
dsm.TurnLeft();
dsm.TurnLeft();
Assert.AreEqual(dir, dsm.Get());
}
public void test_DirectionFromString()
{
DirectionStateMachine dsm = new DirectionStateMachine(DirectionStateMachine.DirectionFromString("N").Value);
Assert.AreEqual(Direction.North, dsm.Get());
dsm = new DirectionStateMachine(DirectionStateMachine.DirectionFromString("S").Value);
Assert.AreEqual(Direction.South, dsm.Get());
dsm = new DirectionStateMachine(DirectionStateMachine.DirectionFromString("E").Value);
Assert.AreEqual(Direction.East, dsm.Get());
dsm = new DirectionStateMachine(DirectionStateMachine.DirectionFromString("W").Value);
Assert.AreEqual(Direction.West, dsm.Get());
Assert.AreEqual(null, DirectionStateMachine.DirectionFromString("X"));
Assert.AreEqual(null, DirectionStateMachine.DirectionFromString(" "));
Assert.AreEqual(null, DirectionStateMachine.DirectionFromString("3"));
Assert.AreEqual(null, DirectionStateMachine.DirectionFromString("+"));
}