public void TextBoxGetLineLengthTest()
{
TextBox textBox = new TextBox { Text = TestText };
Assert.AreEqual(-1, textBox.GetLineLength(-1));
Assert.AreEqual(3, textBox.GetLineLength(0));
Assert.AreEqual(4, textBox.GetLineLength(1));
Assert.AreEqual(1, textBox.GetLineLength(2));
Assert.AreEqual(0, textBox.GetLineLength(3));
Assert.AreEqual(2, textBox.GetLineLength(4));
Assert.AreEqual(-1, textBox.GetLineLength(5));
}
