public void WhenContainsDate()
        {
            var testJournal = new FitbitAnalysis_Phillip_Morris.Model.FitbitJournal();
            var testDate    = new DateTime(2017, 11, 2);
            var testEntry1  = new FitbitEntry(testDate, 500, 2.0, 310, 1, 155, new TimeSpan());

            testJournal.AddEntry(testEntry1);

            Assert.AreEqual(true, testJournal.ContainsDate(testDate));
        }
        public void WhenContainsDateFromMultipleInJounral()
        {
            var testJournal = new FitbitAnalysis_Phillip_Morris.Model.FitbitJournal();
            var testDate1   = new DateTime(2017, 11, 2);
            var testDate2   = new DateTime(2016, 10, 20);
            var testDate3   = new DateTime(2016, 9, 4);
            var testEntry1  = new FitbitEntry(testDate1, 500, 2.0, 310, 1, 155, new TimeSpan());
            var testEntry2  = new FitbitEntry(testDate2, 2000, 2.0, 310, 1, 155, new TimeSpan());
            var testEntry3  = new FitbitEntry(testDate3, 900, 0.5, 400, 1, 155, new TimeSpan());

            testJournal.AddEntry(testEntry1);
            testJournal.AddEntry(testEntry2);
            testJournal.AddEntry(testEntry3);

            Assert.AreEqual(true, testJournal.ContainsDate(testDate2));
        }