public void NextLeapYearCronScheduleShouldBePossible()
{
// starting july 2020
_now = new DateTime(2020, 07, 15, 16, 00, 00);
// next should be thursday 12:00
var next = new DateTime(2024, 02, 29, 12, 00, 00);
var schedule = new CronSchedule($"* * 12 29 02 *");
var time = schedule.NextSchedule(_now);
Assert.Equal(next, time);
}
public void NextSundayHighNoonCronScheduleShouldBeInExpectedSpan()
{
while (_now.DayOfWeek != DayOfWeek.Wednesday)
{
_now += TimeSpan.FromDays(1);
}
var next = new DateTime(_now.Year, _now.Month, _now.Day, 12, 00, 00);
do
{
next += TimeSpan.FromDays(1);
} while(next.DayOfWeek != DayOfWeek.Sunday);
var schedule = new CronSchedule($"00 00 12 * * SUN");
var time = schedule.NextSchedule(_now);
Assert.Equal(next, time);
}
public void FromWednesdayNextTuesdayToSaturdayHighNoonCronScheduleShouldBeOnThursday()
{
// starting on wednesday 16:00
_now = new DateTime(_now.Year, _now.Month, _now.Day, 16, 00, 00);
while (_now.DayOfWeek != DayOfWeek.Wednesday)
{
_now += TimeSpan.FromDays(1);
}
// next should be thursday 12:00
var next = new DateTime(_now.Year, _now.Month, _now.Day, 12, 00, 00);
do
{
next += TimeSpan.FromDays(1);
} while(next.DayOfWeek != DayOfWeek.Thursday);
var schedule = new CronSchedule($"00 00 12 * * TUE-SAT");
var time = schedule.NextSchedule(_now);
Assert.Equal(next, time);
}