public void TestConstructor1()
        {
            XmlTreeViewException oce = new XmlTreeViewException();

            Assert.IsTrue(oce is XmlTreeViewException, "Exception instance is not of type XmlTreeViewException");
            Assert.IsTrue(oce is ApplicationException, "Exception instance is not of type ApplicationException");
        }
        public void TestConstructor2()
        {
            XmlTreeViewException oce = new XmlTreeViewException("abc");

            Assert.IsTrue(oce is XmlTreeViewException,
                          "Exception instance is not of type XmlTreeViewException");
            Assert.AreEqual(oce.Message, "abc", "Wrong constructor implementation");
        }
        public void ConstructorSerializationTest()
        {
            BinaryFormatter bf     = new BinaryFormatter();
            MemoryStream    stream = new MemoryStream();

            XmlTreeViewException ex1 = new XmlTreeViewException("Failed");

            bf.Serialize(stream, ex1);

            stream.Flush();
            stream.Seek(0, SeekOrigin.Begin);

            XmlTreeViewException ex2 = (XmlTreeViewException)bf.Deserialize(stream);

            Assert.AreEqual(ex1.Message, ex2.Message, "Error message should be correct.");
        }