public void NoPeriodsTest()
{
DateTime test = new DateTime(2011, 4, 12);
DateAdd dateAdd = new DateAdd();
Assert.Equal(dateAdd.Add(test, TimeSpan.Zero), test);
Assert.Equal(dateAdd.Add(test, new TimeSpan(1, 0, 0, 0)), test.Add(new TimeSpan(1, 0, 0, 0)));
Assert.Equal(dateAdd.Add(test, new TimeSpan(-1, 0, 0, 0)), test.Add(new TimeSpan(-1, 0, 0, 0)));
Assert.Equal(dateAdd.Subtract(test, new TimeSpan(1, 0, 0, 0)), test.Subtract(new TimeSpan(1, 0, 0, 0)));
Assert.Equal(dateAdd.Subtract(test, new TimeSpan(-1, 0, 0, 0)), test.Subtract(new TimeSpan(-1, 0, 0, 0)));
} // NoPeriodsTest
public void PeriodLimitsSubtractTest()
{
DateTime test = new DateTime(2011, 4, 30);
TimeRange timeRange1 = new TimeRange(new DateTime(2011, 4, 20), new DateTime(2011, 4, 25));
TimeRange timeRange2 = new TimeRange(DateTime.MinValue, new DateTime(2011, 4, 10));
DateAdd dateAdd = new DateAdd();
dateAdd.ExcludePeriods.Add(timeRange1);
dateAdd.ExcludePeriods.Add(timeRange2);
Assert.Equal(dateAdd.Subtract(test, new TimeSpan(5, 0, 0, 0)), timeRange1.Start);
Assert.Null(dateAdd.Subtract(test, new TimeSpan(20, 0, 0, 0)));
} // PeriodLimitsSubtractTest
public void IncludeOutsideMinTest()
{
DateTime test = new DateTime(2011, 4, 12);
TimeRange timeRange = new TimeRange(DateTime.MinValue, new DateTime(2011, 4, 10));
DateAdd dateAdd = new DateAdd();
dateAdd.IncludePeriods.Add(timeRange);
Assert.Null(dateAdd.Add(test, TimeSpan.Zero));
Assert.Null(dateAdd.Add(test, new TimeSpan(1, 0, 0, 0)));
Assert.Equal(dateAdd.Subtract(test, TimeSpan.Zero), new DateTime(2011, 4, 10));
Assert.Equal(dateAdd.Subtract(test, new TimeSpan(1, 0, 0, 0)), new DateTime(2011, 4, 9));
} // IncludeOutsideMinTest
public void IncludeOutsideMaxTest()
{
DateTime test = new DateTime(2011, 4, 12);
TimeRange timeRange = new TimeRange(new DateTime(2011, 4, 20), DateTime.MaxValue);
DateAdd dateAdd = new DateAdd();
dateAdd.IncludePeriods.Add(timeRange);
Assert.AreEqual(dateAdd.Add(test, TimeSpan.Zero), new DateTime(2011, 4, 20));
Assert.AreEqual(dateAdd.Add(test, new TimeSpan(1, 0, 0, 0)), new DateTime(2011, 4, 21));
Assert.IsNull(dateAdd.Subtract(test, TimeSpan.Zero));
Assert.IsNull(dateAdd.Subtract(test, new TimeSpan(1, 0, 0, 0)));
} // IncludeOutsideMaxTest
public void IncludeEqualsExcludeTest()
{
DateAdd dateAdd = new DateAdd();
dateAdd.IncludePeriods.Add(new TimeRange(new DateTime(2011, 3, 5), new DateTime(2011, 3, 10)));
dateAdd.ExcludePeriods.Add(new TimeRange(new DateTime(2011, 3, 5), new DateTime(2011, 3, 10)));
DateTime test = new DateTime(2011, 3, 5);
Assert.Null(dateAdd.Add(test, TimeSpan.Zero));
Assert.Null(dateAdd.Add(test, new TimeSpan(1)));
Assert.Null(dateAdd.Add(test, new TimeSpan(-1)));
Assert.Null(dateAdd.Subtract(test, TimeSpan.Zero));
Assert.Null(dateAdd.Subtract(test, new TimeSpan(1)));
Assert.Null(dateAdd.Subtract(test, new TimeSpan(-1)));
} // IncludeEqualsExcludeTest
public void IncludeExclude2Test()
{
DateAdd dateAdd = new DateAdd();
dateAdd.IncludePeriods.Add(new TimeRange(new DateTime(2011, 3, 1), new DateTime(2011, 3, 5)));
dateAdd.ExcludePeriods.Add(new TimeRange(new DateTime(2011, 3, 5), new DateTime(2011, 3, 10)));
dateAdd.IncludePeriods.Add(new TimeRange(new DateTime(2011, 3, 10), new DateTime(2011, 3, 15)));
dateAdd.ExcludePeriods.Add(new TimeRange(new DateTime(2011, 3, 15), new DateTime(2011, 3, 20)));
dateAdd.IncludePeriods.Add(new TimeRange(new DateTime(2011, 3, 20), new DateTime(2011, 3, 25)));
DateTime periodStart = new DateTime(2011, 3, 1);
DateTime periodEnd = new DateTime(2011, 3, 25);
// add from start
Assert.Equal(dateAdd.Add(periodStart, Duration.Days(1)), new DateTime(2011, 3, 2));
Assert.Equal(dateAdd.Add(periodStart, Duration.Days(4)), new DateTime(2011, 3, 10));
Assert.Equal(dateAdd.Add(periodStart, Duration.Days(5)), new DateTime(2011, 3, 11));
Assert.Equal(dateAdd.Add(periodStart, Duration.Days(9)), new DateTime(2011, 3, 20));
Assert.Equal(dateAdd.Add(periodStart, Duration.Days(10)), new DateTime(2011, 3, 21));
Assert.Null(dateAdd.Add(periodStart, Duration.Days(15)));
// add from end
Assert.Equal(dateAdd.Add(periodEnd, Duration.Days(-1)), new DateTime(2011, 3, 24));
Assert.Equal(dateAdd.Add(periodEnd, Duration.Days(-5)), new DateTime(2011, 3, 15));
Assert.Equal(dateAdd.Add(periodEnd, Duration.Days(-6)), new DateTime(2011, 3, 14));
Assert.Equal(dateAdd.Add(periodEnd, Duration.Days(-10)), new DateTime(2011, 3, 5));
Assert.Equal(dateAdd.Add(periodEnd, Duration.Days(-11)), new DateTime(2011, 3, 4));
Assert.Null(dateAdd.Add(periodEnd, Duration.Days(-15)));
// subtract form end
Assert.Equal(dateAdd.Subtract(periodEnd, Duration.Days(1)), new DateTime(2011, 3, 24));
Assert.Equal(dateAdd.Subtract(periodEnd, Duration.Days(5)), new DateTime(2011, 3, 15));
Assert.Equal(dateAdd.Subtract(periodEnd, Duration.Days(6)), new DateTime(2011, 3, 14));
Assert.Equal(dateAdd.Subtract(periodEnd, Duration.Days(10)), new DateTime(2011, 3, 5));
Assert.Equal(dateAdd.Subtract(periodEnd, Duration.Days(11)), new DateTime(2011, 3, 4));
Assert.Null(dateAdd.Subtract(periodStart, Duration.Days(15)));
// subtract form start
Assert.Equal(dateAdd.Subtract(periodStart, Duration.Days(-1)), new DateTime(2011, 3, 2));
Assert.Equal(dateAdd.Subtract(periodStart, Duration.Days(-4)), new DateTime(2011, 3, 10));
Assert.Equal(dateAdd.Subtract(periodStart, Duration.Days(-5)), new DateTime(2011, 3, 11));
Assert.Equal(dateAdd.Subtract(periodStart, Duration.Days(-9)), new DateTime(2011, 3, 20));
Assert.Equal(dateAdd.Subtract(periodStart, Duration.Days(-10)), new DateTime(2011, 3, 21));
Assert.Null(dateAdd.Subtract(periodStart, Duration.Days(-15)));
} // IncludeExclude2Test