public void TryMoveAhead_NullPosition_ThrowArgumentNullException()
{
//Arrange
ICardinalDirectionManager cardinalDirectionManager = new EastManager();
//Act and Assert
var exception = Assert.Throws <ArgumentNullException>(() => cardinalDirectionManager.TryMoveAhead(null));
Assert.AreEqual("Value cannot be null. (Parameter 'position')", exception.Message);
}
public void TryMoveAhead_FromEastestPosition_DontMove()
{
//Arrange
var currentPosition = new Position(4, 0);
ICardinalDirectionManager cardinalDirectionManager = new EastManager();
//Act
Position finalPosition = cardinalDirectionManager.TryMoveAhead(currentPosition);
//Assert
Assert.AreEqual(4, finalPosition.X);
Assert.AreEqual(0, finalPosition.Y);
}
public void TryMoveAhead_FromNotBorderPosition_IncreaseX()
{
//Arrange
var currentPosition = new Position(1, 1);
ICardinalDirectionManager cardinalDirectionManager = new EastManager();
//Act
Position finalPosition = cardinalDirectionManager.TryMoveAhead(currentPosition);
//Assert
Assert.AreEqual(2, finalPosition.X);
Assert.AreEqual(1, finalPosition.Y);
}
