public void ReturnSameInstanceWhenGetInstanceIsCalledMoreThanOnce()
{
East eastFirst = East.GetInstance();
East eastSecond = East.GetInstance();
Assert.NotNull(eastFirst);
Assert.NotNull(eastSecond);
Assert.Same(eastFirst, eastSecond);
}
public void ReturnSouthWhenGetRightDirectionIsCalled()
{
East east = East.GetInstance();
var result = east.GetRightDirection();
Assert.NotNull(result);
Assert.IsType <South>(result);
}
public void ReturnPlusOneOnXAxisWhenGetMoveForwardCoordinatesIsCalled()
{
East east = East.GetInstance();
var result = east.GetMoveForwardCoordinates();
int expectedCoordX = 1;
int expectedCoordY = 0;
Assert.NotNull(result);
Assert.Equal(expectedCoordX, result.coordX);
Assert.Equal(expectedCoordY, result.coordY);
}