public void ConvertFrequencyToInitialTest()
{
Assert.AreEqual(string.Empty, _helper.ConvertFrequencyToInitial(null));
Assert.AreEqual(string.Empty, _helper.ConvertFrequencyToInitial(""));
Assert.AreEqual(string.Empty, _helper.ConvertFrequencyToInitial("testing..."));
Assert.AreEqual("M", _helper.ConvertFrequencyToInitial("monthly"));
Assert.AreEqual("W", _helper.ConvertFrequencyToInitial("weekly"));
Assert.AreEqual("F", _helper.ConvertFrequencyToInitial("fortnightly"));
Assert.AreEqual("4", _helper.ConvertFrequencyToInitial("4week"));
Assert.AreEqual("Q", _helper.ConvertFrequencyToInitial("quarterly"));
Assert.AreEqual("L", _helper.ConvertFrequencyToInitial("last day of the month"));
Assert.AreEqual("A", _helper.ConvertFrequencyToInitial("annually"));
Assert.AreEqual("M", _helper.ConvertFrequencyToInitial("Monthly"));
Assert.AreEqual("W", _helper.ConvertFrequencyToInitial("Weekly"));
Assert.AreEqual("F", _helper.ConvertFrequencyToInitial("Fortnightly"));
Assert.AreEqual("4", _helper.ConvertFrequencyToInitial("4week"));
Assert.AreEqual("Q", _helper.ConvertFrequencyToInitial("Quarterly"));
Assert.AreEqual("L", _helper.ConvertFrequencyToInitial("Last Day of the Month"));
Assert.AreEqual("A", _helper.ConvertFrequencyToInitial("Annually"));
}
