public void GetFirstCharIndexOfCurrentLineTest () { using (MaskedTextBox mtb = new MaskedTextBox ()) { Assert.AreEqual (0, mtb.GetFirstCharIndexOfCurrentLine (), "#A1"); mtb.Text = "alñsdh gaph" + Environment.NewLine + "asldg"; Assert.AreEqual (0, mtb.GetFirstCharIndexOfCurrentLine (), "#B1"); } }