public void TestBasicWriter()
        {
            using (CsWriter w = new CsWriter())
            {
                w.AddNamespaces("System");
                using(w.WriteNamespace("CSharpTest"))
                using (w.WriteClass("class Net"))
                { }

                string msg = w.ToString();
                Assert.IsTrue(msg.Contains("using System;"));
                Assert.IsTrue(msg.Contains("DebuggerNonUserCodeAttribute"));
                Assert.IsTrue(msg.Contains("CompilerGenerated"));
                Assert.IsTrue(msg.Contains("class Net"));
            }
        }