public void Add_NewBoxGetsAddedCorrectly(string name, int x, int y, int width, int height, int screenWidth, int screenHeight)
{
//Set up
DisplayScreen screen = new DisplayScreen(screenWidth, screenHeight);
DisplayBox box = new DisplayBox(name, x, y, width, height);
//Action
screen.Add(box);
List <DisplayBox> boxList = screen.GetDisplayBoxes();
//Assert
Assert.True(boxList.Count > 0);
Assert.True(boxList[0].Name == name);
Assert.True(boxList[0].DisplayX == x);
Assert.True(boxList[0].DisplayY == y);
Assert.True(boxList[0].DisplayWidth == width);
Assert.True(boxList[0].DisplayHeight == height);
}