public void testTransform() { Diagram.RectTransform rectTransform = new Diagram.RectTransform(new Range(0, 10), new Range(-1, +1), new Range(100, 200), new Range(100, 0)); Point2D a, b; a = new Point2D.Double(5, 0); b = rectTransform.transformA2B(a, null); assertEquals(new Point2D.Double(150.0, 50.0), b); assertEquals(a, rectTransform.transformB2A(b, null)); a = new Point2D.Double(7.5, -0.25); b = rectTransform.transformA2B(a, null); assertEquals(new Point2D.Double(175.0, 62.5), b); assertEquals(a, rectTransform.transformB2A(b, null)); }