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v/vlib/time/time_test.v
2021-10-24 21:36:28 +03:00

257 lines
5.7 KiB
V

import time
import math
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() {
d_seconds := 3
d_microseconds := 13
duration := time.Duration(d_seconds * time.second + d_microseconds * time.microsecond)
t1 := time_to_test
t2 := time_to_test.add(duration)
assert t2.second == t1.second + d_seconds
assert t2.microsecond == t1.microsecond + d_microseconds
assert t2.unix == t1.unix + d_seconds
t3 := time_to_test.add(-duration)
assert t3.second == t1.second - d_seconds
assert t3.microsecond == t1.microsecond - d_microseconds
assert t3.unix == t1.unix - d_seconds
}
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 * num_of_days
}
fn test_str() {
assert '1980-07-11 21:23:42' == time_to_test.str()
}
// 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(50 * time.millisecond)
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 - ut1 * 1000) < 1000
assert (utm2 - ut2 * 1000) < 1000
//
// println('utm1: $utm1 | utm2: $utm2')
assert utm2 - utm1 > 2
assert utm2 - utm1 < 999
}
fn test_offset() {
u := time.utc()
n := time.now()
//
mut diff_seconds := 0
if u.day != n.day {
if u.day > n.day {
diff_seconds = int(math.abs(((u.hour * 60 + u.minute) - (n.hour * 60 + n.minute)) * 60)) - 86400
} else {
diff_seconds = 86400 - int(math.abs(((u.hour * 60 + u.minute) - (n.hour * 60 + n.minute)) * 60))
}
if math.abs(u.day - n.day) > 1 { // different month
diff_seconds = diff_seconds * -1
}
} else { // same day
diff_seconds = ((n.hour * 60 + n.minute) - (u.hour * 60 + u.minute)) * 60
}
assert diff_seconds == time.offset()
}
fn test_since() {
t1 := time.now()
time.sleep(20 * time.millisecond)
d1 := time.since(t1)
assert d1 >= 20_000_000
time.sleep(20 * time.millisecond)
d2 := time.since(t1)
assert d2 >= 40_000_000
}