public void TestJaggedField()
        {
            using (CsvReader r = new CsvReader(new StringReader(CSV_DOC1)))
            {
                Assert.AreEqual(0, r.Depth);
                Assert.IsFalse(r.IsClosed);
                Assert.AreEqual(3, r.FieldCount);
                Assert.IsTrue(r.Read());
                Assert.AreEqual(3, r.FieldCount);
                Assert.IsTrue(r.Read());
                
                //second row has an extra field
                Assert.AreEqual(4, r.FieldCount);
                Assert.AreEqual("3", r.GetName(3));
                Assert.AreEqual(3, r.GetOrdinal("3"));
                Assert.AreEqual("extra", r.GetValue(3));

                Assert.IsTrue(r.Read());
                Assert.IsFalse(r.IsDBNull(0));
                Assert.AreEqual("3a", r.GetString("f1"));
                Assert.IsTrue(r.IsDBNull(1));
                Assert.IsTrue(r.IsDBNull(2));

                Assert.IsTrue(r.Read());
                Assert.IsTrue(r.Read());
                Assert.IsFalse(r.Read());
            }
        }