public void IsWeekendDayTestCase()
        {
            var dateTime = new DateTime( 2014, 3, 27 );
            var actual = dateTime.IsWeekendDay();
            Assert.IsFalse( actual );

            dateTime = new DateTime( 2014, 3, 29 );
            actual = dateTime.IsWeekendDay();
            Assert.IsTrue( actual );
        }
        public void IsWeekendDay()
        {
            // Type
            var @thisFriday = new DateTime(2013, 11, 22); // Friday
            var @thisSaturday = new DateTime(2013, 11, 23); // Saturday

            // Examples
            bool value1 = @thisFriday.IsWeekendDay(); // return false;
            bool value2 = @thisSaturday.IsWeekendDay(); // return true;

            // Unit Test
            Assert.IsFalse(value1);
            Assert.IsTrue(value2);
        }