public void GetCustomImageTest_NoCoordinateRangeError()
        {
            ImageLogic images   = new ImageLogic();
            bool       hitError = false;

            try
            {
                images.GetCustomGaugeImage("T", "B", 2000, -2000, 1, 1, "F2", false, new string[] { "100:green" }, 5, 3, false, false, false);
            }
            catch (Exception e)
            {
                hitError = e.Message == "Coordinate outside allowed range";
            }

            Assert.IsFalse(hitError, "we should not have  hit a ClipperLib.ClipperException");
        }