public void RangeValidateFormat__Greater__DateTime() { //Arrange var request = new Mock <HttpRequestBase>(); var value = DateTime.Now.ToString(); var single = DateTime.Now.AddDays(10); var field = "日期"; var expected = "日期必須大於" + single.ToString("yyyy/MM/dd"); //Act RequestWrapper wrapper = new RequestWrapper(request.Object); wrapper.GreaterValidate(value, single, false, field, "{0}必須大於{1:yyyy/MM/dd}"); var result = wrapper.GetErrorMessage(ErrorOuputType.Text); //Assert Trace.WriteLine(result); Assert.AreEqual(expected, result); }