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v/vlib/time/time_test.v
2020-12-11 06:54:23 +01:00

227 lines
4.8 KiB
V

import time
const (
time_to_test = time.Time{
year: 1980
month: 7
day: 11
hour: 21
minute: 23
second: 42
microsecond: 123456
unix: 332198622
}
)
fn test_is_leap_year() {
// 1996 % 4 = 0 and 1996 % 100 > 0
assert time.is_leap_year(1996) == true
// 2000 % 4 = 0 and 2000 % 400 = 0
assert time.is_leap_year(2000) == true
// 1996 % 4 > 0
assert time.is_leap_year(1997) == false
// 2000 % 4 = 0 and 2000 % 100 = 0
assert time.is_leap_year(2100) == false
}
fn check_days_in_month(month int, year int, expected int) bool {
res := time.days_in_month(month, year) or {
return false
}
return res == expected
}
fn test_days_in_month() {
days_in_month := [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]
for i, days in days_in_month {
month := i + 1
assert check_days_in_month(month, 2001, days)
}
}
fn test_unix() {
t := time.unix(1564366499)
assert t.year == 2019
assert t.month == 7
assert t.day == 29
assert t.hour == 2
assert t.minute == 14
assert t.second == 59
t2 := time.unix(1078058096)
assert t2.year == 2004
assert t2.month == 2
assert t2.day == 29
assert t2.hour == 12
assert t2.minute == 34
assert t2.second == 56
t3 := time.unix(1070236799)
assert t3.year == 2003
assert t3.month == 11
assert t3.day == 30
assert t3.hour == 23
assert t3.minute == 59
assert t3.second == 59
t4 := time.unix(1577783439)
assert t4.year == 2019
assert t4.month == 12
assert t4.day == 31
assert t4.hour == 9
assert t4.minute == 10
assert t4.second == 39
t5 := time.unix(-1824922433)
assert t5.year == 1912
assert t5.month == 3
assert t5.day == 4
assert t5.hour == 5
assert t5.minute == 6
assert t5.second == 7
t6 := time.unix(1577858969)
assert t6.year == 2020
assert t6.month == 1
assert t6.day == 1
assert t6.hour == 6
assert t6.minute == 9
assert t6.second == 29
}
fn test_format_ss() {
assert '11.07.1980 21:23:42' == time_to_test.get_fmt_str(.dot, .hhmmss24, .ddmmyyyy)
}
fn test_format_ss_milli() {
assert '11.07.1980 21:23:42.123' ==
time_to_test.get_fmt_str(.dot, .hhmmss24_milli, .ddmmyyyy)
assert '1980-07-11 21:23:42.123' == time_to_test.format_ss_milli()
}
fn test_format_ss_micro() {
assert '11.07.1980 21:23:42.123456' ==
time_to_test.get_fmt_str(.dot, .hhmmss24_micro, .ddmmyyyy)
assert '1980-07-11 21:23:42.123456' == time_to_test.format_ss_micro()
}
fn test_smonth() {
month_names := ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov',
'Dec',
]
for i, name in month_names {
month_num := i + 1
t := time.Time{
year: 1980
month: month_num
day: 1
hour: 0
minute: 0
second: 0
unix: 0
}
assert t.smonth() == name
}
}
fn test_day_of_week() {
for i in 0 .. 7 {
day_of_week := i + 1
// 2 Dec 2019 is Monday
t := time.Time{
year: 2019
month: 12
day: 2 + i
hour: 0
minute: 0
second: 0
unix: 0
}
assert day_of_week == t.day_of_week()
}
}
fn test_weekday_str() {
day_names := ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun']
for i, name in day_names {
// 2 Dec 2019 is Monday
t := time.Time{
year: 2019
month: 12
day: 2 + i
hour: 0
minute: 0
second: 0
unix: 0
}
assert t.weekday_str() == name
}
}
fn test_add_days() {
num_of_days := 3
t := time_to_test.add_days(num_of_days)
assert t.day == time_to_test.day + num_of_days
assert t.unix == time_to_test.unix + 86400 * u64(num_of_days)
}
fn test_str() {
assert '1980-07-11 21:23:42' == time_to_test.str()
}
fn test_subtract() {
d_seconds := 3
d_microseconds := 13
duration := d_seconds * time.second + d_microseconds * time.microsecond
t1 := time_to_test
t2 := time.unix2(int(t1.unix) + d_seconds, t1.microsecond + d_microseconds)
d1 := t2 - t1
d2 := t1 - t2
assert d1 > 0
assert d1 == duration
assert d2 < 0
assert d2 == -duration
}
// not optimal test but will find obvious bugs
fn test_now() {
now := time.now()
// The year the test was built
assert now.year >= 2020
assert now.month > 0
assert now.month <= 12
assert now.minute >= 0
assert now.minute < 60
assert now.second >= 0
assert now.second <= 60 // <= 60 cause of leap seconds
assert now.microsecond >= 0
assert now.microsecond < 1000000
}
fn test_utc() {
now := time.utc()
// The year the test was built
assert now.year >= 2020
assert now.month > 0
assert now.month <= 12
assert now.minute >= 0
assert now.minute < 60
assert now.second >= 0
assert now.second <= 60 // <= 60 cause of leap seconds
assert now.microsecond >= 0
assert now.microsecond < 1000000
}
fn test_unix_time() {
t1 := time.utc()
time.sleep_ms(50)
t2 := time.utc()
ut1 := t1.unix_time()
ut2 := t2.unix_time()
assert ut2 - ut1 < 2
//
utm1 := t1.unix_time_milli()
utm2 := t2.unix_time_milli()
assert (utm1 - u64(ut1) * 1000) < 1000
assert (utm2 - u64(ut2) * 1000) < 1000
//
// println('utm1: $utm1 | utm2: $utm2')
assert utm2 - utm1 > 2
assert utm2 - utm1 < 999
}