public void TestRectangleF2DFitAndKeepAspectRatio()
{
double delta = 0.00001;
RectangleF2D rectangle = new RectangleF2D(0, 0, 1, 1);
PointF2D[] points = new PointF2D[] {
new PointF2D(2, 2),
new PointF2D(1, 1)
};
RectangleF2D fitted = rectangle.FitAndKeepAspectRatio(points, 0);
Assert.AreEqual(1, fitted.Width, delta);
Assert.AreEqual(1, fitted.Height, delta);
Assert.AreEqual(1, fitted.BottomLeft[0], delta);
Assert.AreEqual(1, fitted.BottomLeft[1], delta);
Assert.AreEqual(2, fitted.TopRight[0], delta);
Assert.AreEqual(2, fitted.TopRight[1], delta);
// this should create the exact same rectangle as in the other tests.
rectangle = RectangleF2D.FromBoundsAndCenter(System.Math.Sqrt(2) * 2,
System.Math.Sqrt(2) * 2, 0, 0, 45);
fitted = rectangle.FitAndKeepAspectRatio(points, 0);
Assert.AreEqual(System.Math.Sqrt(2), fitted.Width, delta);
Assert.AreEqual(System.Math.Sqrt(2), fitted.Height, delta);
Assert.AreEqual(0.5, fitted.BottomLeft[0], delta);
Assert.AreEqual(1.5, fitted.BottomLeft[1], delta);
Assert.AreEqual(2.5, fitted.TopRight[0], delta);
Assert.AreEqual(1.5, fitted.TopRight[1], delta);
}