public void TryMoveAhead_NullPosition_ThrowArgumentNullException()
{
//Arrange
ICardinalDirectionManager cardinalDirectionManager = new WestManager();
//Act and Assert
Assert.Throws <ArgumentNullException>(() => cardinalDirectionManager.TryMoveAhead(null));
}
public void TurnLeft_FromWest_ToSouth()
{
//Arrange
ICardinalDirectionManager cardinalDirectionManager = new WestManager();
//Act
ICardinalDirectionManager leftFacing = cardinalDirectionManager.TurnLeft();
//Assert
Assert.AreEqual(CardinalDirection.SOUTH, leftFacing.CardinalDirection);
}
public void TurnRight_FromWest_ToNorth()
{
//Arrange
ICardinalDirectionManager cardinalDirectionManager = new WestManager();
//Act
ICardinalDirectionManager rightFacing = cardinalDirectionManager.TurnRight();
//Assert
Assert.AreEqual(CardinalDirection.NORTH, rightFacing.CardinalDirection);
}
public void CardinalDirection_ReadCardinalDirection_WestCardinalDirection()
{
//Arrange
ICardinalDirectionManager cardinalDirectionManager = new WestManager();
//Act
CardinalDirection facing = cardinalDirectionManager.CardinalDirection;
//Assert
Assert.AreEqual(CardinalDirection.WEST, facing);
}
public void TryMoveAhead_FromWestestPosition_DontMove()
{
//Arrange
var currentPosition = new Position(0, 0);
ICardinalDirectionManager cardinalDirectionManager = new WestManager();
//Act
Position finalPosition = cardinalDirectionManager.TryMoveAhead(currentPosition);
//Assert
Assert.AreEqual(0, finalPosition.X);
Assert.AreEqual(0, finalPosition.Y);
}
public void TryMoveAhead_FromNotBorderPosition_DecreaseX()
{
//Arrange
var currentPosition = new Position(1, 1);
ICardinalDirectionManager cardinalDirectionManager = new WestManager();
//Act
Position finalPosition = cardinalDirectionManager.TryMoveAhead(currentPosition);
//Assert
Assert.AreEqual(0, finalPosition.X);
Assert.AreEqual(1, finalPosition.Y);
}