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v/vlib/time/chrono_test.v

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module time
fn test_days_from_unix_epoch() {
s := '2000-05-10 22:11:03'
time_test := parse(s) or {
eprintln('> failing format: ${s} | err: ${err}')
assert false
return
}
one_day_in_seconds := 86400
assert time_test.days_from_unix_epoch() == 11087
assert time_test.days_from_unix_epoch() == int(time_test.unix / one_day_in_seconds)
assert days_from_unix_epoch(1970, 1, 1) == 0
assert days_from_unix_epoch(1970, 2, 1) == 31
assert days_from_unix_epoch(1970, 3, 1) == 59
assert days_from_unix_epoch(2022, 11, 10) == 19306
}
fn test_date_from_days_after_unix_epoch() {
assert date_from_days_after_unix_epoch(11087).year == 2000
assert date_from_days_after_unix_epoch(11087).month == 5
assert date_from_days_after_unix_epoch(11087).day == 10
assert date_from_days_after_unix_epoch(1).year == 1970
assert date_from_days_after_unix_epoch(1).month == 1
assert date_from_days_after_unix_epoch(1).day == 2
assert date_from_days_after_unix_epoch(31).year == 1970
assert date_from_days_after_unix_epoch(31).month == 2
assert date_from_days_after_unix_epoch(31).day == 1
assert date_from_days_after_unix_epoch(59).year == 1970
assert date_from_days_after_unix_epoch(59).month == 3
assert date_from_days_after_unix_epoch(59).day == 1
}