public void Convert()
        {
            // null
            var converter = new DateTimeInputModeConverter();
            var inputMode = converter.Convert(null, null, null, null);
            Assert.IsNull(inputMode);

            // date
            inputMode = converter.Convert(DateTimeFormat.Date.ToString(), null, null, null);
            Assert.AreEqual("DatePicker", inputMode.ToString());

            // time
            inputMode = converter.Convert(DateTimeFormat.Time.ToString(), null, null, null);
            Assert.AreEqual("TimePicker", inputMode.ToString());

            // date and time
            inputMode = converter.Convert(DateTimeFormat.DateTime.ToString(), null, null, null);
            Assert.AreEqual("DateTimePicker", inputMode.ToString());
        }
 public void ConvertBack()
 {
     var converter = new DateTimeInputModeConverter();
     var inputMode = converter.ConvertBack("xxx", this.GetType(), "yyy", null);
     Assert.IsNull(inputMode);
 }