public void ReturnSameInstanceWhenGetInstanceIsCalledMoreThanOnce()
{
South southFirst = South.GetInstance();
South southSecond = South.GetInstance();
Assert.NotNull(southFirst);
Assert.NotNull(southSecond);
Assert.Same(southFirst, southSecond);
}
public void ReturnWestWhenGetRightDirectionIsCalled()
{
South south = South.GetInstance();
var result = south.GetRightDirection();
Assert.NotNull(result);
Assert.IsType <West>(result);
}
public void ReturnMinusOneOnYAxisWhenGetMoveForwardCoordinatesIsCalled()
{
South south = South.GetInstance();
var result = south.GetMoveForwardCoordinates();
int expectedCoordX = 0;
int expectedCoordY = -1;
Assert.NotNull(result);
Assert.Equal(expectedCoordX, result.coordX);
Assert.Equal(expectedCoordY, result.coordY);
}