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");
}
}