public void BoundingBox_ShouldBeApproximatelySquare(int numberOfRectangles)
{
var allCorners = PutRectanglesOnLayout(
Enumerable.Range(0, numberOfRectangles)
.Select(i => new Size(1, 1)))
.SelectMany(rectangle => rectangle.Corners);
var boundingBox = Rectangle.BoundingBoxOf(allCorners).Value;
boundingBox.Size.Width.Should()
.BeGreaterThan(boundingBox.Size.Height / 2)
.And
.BeLessThan(boundingBox.Size.Height * 2);
}