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")); }