public void testAppend() { JDFRectangleRangeList rangelist = new JDFRectangleRangeList(); try { rangelist = new JDFRectangleRangeList("0 0 2 2 ~ 0 0 4 4"); rangelist.Append(new JDFRectangleRange("0 0 4 4 ~ 0 0 6 6")); } catch (FormatException dfe) { Console.WriteLine(dfe.ToString()); } Assert.AreEqual("0 0 2 2 ~ 0 0 4 4 0 0 4 4 ~ 0 0 6 6", rangelist.ToString()); Assert.IsTrue(rangelist.Count == 2, "Bad append" + rangelist.ToString()); }