public void GetDateTest() { //Arrange var date = new DateTime(2001, 12, 31, 04, 05, 06); //Act/Assert Assert.AreEqual("12/31/2001", MapperHelper.GetDate(date, new CultureInfo("en-US"))); Assert.AreEqual("31/12/2001", MapperHelper.GetDate(date, new CultureInfo("en-GB"))); Assert.AreEqual("31/12/2001", MapperHelper.GetDate(date, new CultureInfo("fr-FR"))); Assert.AreEqual("31.12.2001", MapperHelper.GetDate(date, new CultureInfo("de-DE"))); }