import time const ( time_to_test = time.new_time(time.Time{ year: 1980 month: 7 day: 11 hour: 21 minute: 23 second: 42 }) ) 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 test_now_format() { t := time.now() u := t.unix println(u) println(t.format()) println(time.unix(u).format()) assert t.format() == time.unix(u).format() } fn check_days_in_month(month, year, 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_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_format() { assert '11.07.1980 21:23' == time_to_test.get_fmt_str(.dot, .hhmm24, .ddmmyyyy) } fn test_hhmm() { assert '21:23' == time_to_test.hhmm() } fn test_hhmm12() { assert '9:23 p.m.' == time_to_test.hhmm12() } fn test_hhmmss() { assert '21:23:42' == time_to_test.hhmmss() } fn test_ymmdd() { assert '1980-07-11' == time_to_test.ymmdd() } fn test_ddmmy() { assert '11.07.1980' == time_to_test.ddmmy() } fn test_md() { assert 'Jul 11' == time_to_test.md() } fn test_day_of_week() { for i := 0; i < 7; i++ { 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 } fn test_get_fmt_time_str() { assert '21:23:42' == time_to_test.get_fmt_time_str(.hhmmss24) assert '21:23' == time_to_test.get_fmt_time_str(.hhmm24) assert '9:23:42 p.m.' == time_to_test.get_fmt_time_str(.hhmmss12) assert '9:23 p.m.' == time_to_test.get_fmt_time_str(.hhmm12) } fn test_get_fmt_date_str() { assert '11.07.1980' == time_to_test.get_fmt_date_str(.dot, .ddmmyyyy) assert '11/07/1980' == time_to_test.get_fmt_date_str(.slash, .ddmmyyyy) assert '11-07-1980' == time_to_test.get_fmt_date_str(.hyphen, .ddmmyyyy) assert '11 07 1980' == time_to_test.get_fmt_date_str(.space, .ddmmyyyy) assert '07.11.1980' == time_to_test.get_fmt_date_str(.dot, .mmddyyyy) assert '07/11/1980' == time_to_test.get_fmt_date_str(.slash, .mmddyyyy) assert '07-11-1980' == time_to_test.get_fmt_date_str(.hyphen, .mmddyyyy) assert '07 11 1980' == time_to_test.get_fmt_date_str(.space, .mmddyyyy) assert '11.07.80' == time_to_test.get_fmt_date_str(.dot, .ddmmyy) assert '11/07/80' == time_to_test.get_fmt_date_str(.slash, .ddmmyy) assert '11-07-80' == time_to_test.get_fmt_date_str(.hyphen, .ddmmyy) assert '11 07 80' == time_to_test.get_fmt_date_str(.space, .ddmmyy) assert '07.11.80' == time_to_test.get_fmt_date_str(.dot, .mmddyy) assert '07/11/80' == time_to_test.get_fmt_date_str(.slash, .mmddyy) assert '07-11-80' == time_to_test.get_fmt_date_str(.hyphen, .mmddyy) assert '07 11 80' == time_to_test.get_fmt_date_str(.space, .mmddyy) assert 'Jul 11' == time_to_test.get_fmt_date_str(.space, .mmmd) assert 'Jul 11' == time_to_test.get_fmt_date_str(.space, .mmmdd) assert 'Jul 11 1980' == time_to_test.get_fmt_date_str(.space, .mmmddyyyy) assert '1980-07-11' == time_to_test.get_fmt_date_str(.hyphen, .yyyymmdd) } fn test_get_fmt_str() { // Since get_fmt_time_str and get_fmt_date_str do have comprehensive // tests I don't want to exaggerate here with all possible // combinations. assert '11.07.1980 21:23:42' == time_to_test.get_fmt_str(.dot, .hhmmss24, .ddmmyyyy) } fn test_parse() { s := '2018-01-27 12:48:34' t := time.parse(s) assert t.year == 2018 && t.month == 1 && t.day == 27 && t.hour == 12 && t.minute == 48 && t.second == 34 } fn test_parse_iso() { s1 := 'Thu, 12 Dec 2019 06:07:45 GMT' t1 := time.parse_iso(s1) assert t1.year == 2019 && t1.month == 12 && t1.day == 12 && t1.hour == 6 && t1.minute == 7 && t1.second == 45 s2 := 'Thu 12 Dec 2019 06:07:45 +0800' t2 := time.parse_iso(s2) assert t2.year == 2019 && t2.month == 12 && t2.day == 12 && t2.hour == 6 && t2.minute == 7 && t2.second == 45 s3 := 'Thu 12 Foo 2019 06:07:45 +0800' t3 := time.parse_iso(s3) assert t3.year == 0 && t3.month == 0 && t3.day == 0 && t3.hour == 0 && t3.minute == 0 && t3.second == 0 } fn test_str() { assert '1980-07-11 21:23:42' == time_to_test.str() }