public void CalculateImageCenter()
{
var size = new Size(100, 50);
var center = PaintHelper.CalculateCenterLocation(size);
center.ShouldBeEquivalentTo(new Point(50, 25));
}
public void ComplexMoveRectangles()
{
var rectangles = Generate().ToList();
var imageS = PaintHelper.CalculateImageSize(rectangles);
var offset = PaintHelper.CalculateCenterLocation(imageS);
var moved = rectangles.Select(x => new Rectangle(new Point(x.X + offset.X, x.Y + offset.Y), x.Size));
moved.All(x => OnPicture(imageS, x)).Should().BeTrue();
}