System.Tests.DateTimeTests.TimeOfDay C# (CSharp) Method

        public static void TimeOfDay()
        {
            var dateTime = new DateTime(2012, 6, 18, 10, 5, 1, 0);
            TimeSpan ts = dateTime.TimeOfDay;

            DateTime newDate = dateTime.Subtract(ts);
            Assert.Equal(new DateTime(2012, 6, 18, 0, 0, 0, 0).Ticks, newDate.Ticks);
            Assert.Equal(dateTime.Ticks, newDate.Add(ts).Ticks);
        }