public void TestSTWKTToSQL()
        {
            using (var db = new PostGisTestDataConnection(TestDatabaseConnectionString))
            {
                const string Wkt1 = "LINESTRING (1 2, 3 4)";

                var g1 = db.Select(() => GeometryInput.STWKTToSQL(Wkt1));
                Assert.AreEqual(Wkt1, g1.AsText());
                Assert.AreEqual(-1, g1.SRID);

                Assert.IsNull(db.Select(() => GeometryInput.STWKTToSQL(null)));
            }
        }