public void CellIndexSubtractionTest2()
{
var a = new CellPosition(344, 856);
var b = new CellPosition(123, 345);
var c = a.Subtract(b);
c.Width.Should().Be(511);
c.Height.Should().Be(221);
}
public void CellIndexSubtractionTest1()
{
var a = new CellPosition(1, 1);
var b = new CellPosition("A1");
var c = a.Subtract(b);
c.Width.Should().Be(0);
c.Height.Should().Be(0);
}
