ref: 4d69aacea023546a7150d92e147e531c38de822f
dir: /sys/src/libc/test/date.c/
#include <u.h> #include <libc.h> int failed; /* * For debugging */ void printtm(Tm *tm) { fprint(2, "sec=%d min=%d hour=%d mday=%d mon=%d" " year=%d day=%d yday=%d zone=%s tzoff=%d\n", tm->sec, /* seconds (range 0..59) */ tm->min, /* minutes (0..59) */ tm->hour, /* hours (0..23) */ tm->mday, /* day of the month (1..31) */ tm->mon, /* month of the year (0..11) */ tm->year, /* year A.D. - 1900 */ tm->wday, /* day of week (0..6, Sunday = 0) */ tm->yday, /* day of year (0..365) */ tm->zone, /* time zone name */ tm->tzoff); /* time zone delta from GMT */ } void fail(char *fmt, ...) { va_list ap; va_start(ap, fmt); fprint(2, "failed: "); vfprint(2, fmt, ap); va_end(ap); failed++; } void testtm(char *s, int year, int mon, int mday, int hour, int min, int sec, int nsec, Tm *tm){ if(tm->year != year-1900) fail("%s wrong year expected=%d actual=%d\n", s, year, tm->year); if(tm->mon != mon) fail("%s wrong month expected=%d actual=%d\n", s, mon, tm->mon); if(tm->mday != mday) fail("%s wrong mday expected=%d actual=%d\n", s, mday, tm->mday); if(tm->hour != hour) fail("%s wrong hour expected=%d actual=%d\n", s, hour, tm->hour); if(tm->min != min) fail("%s wrong min expected=%d actual=%d\n", s, min, tm->min); if(tm->sec != sec) fail("%s wrong sec expected=%d actual=%d\n", s, sec, tm->sec); if(tm->nsec != nsec) fail("%s wrong nsec expected=%d actual=%d\n", s, nsec, tm->nsec); } void rangechk(vlong sec, char *s, vlong val, vlong lo, vlong hi) { if(val < lo || val > hi){ fprint(2, "%lld: %s: expected %lld <= %lld <= %lld", sec, s, lo, val, hi); failed++; } } void main(int, char **) { Tm tm, tt; Tzone *gmt, *us_arizona, *us_eastern, *us_central; Tm here, there; Tzone *zl, *zp; char buf[128], buf1[128]; int i, h; long s; tmfmtinstall(); if((gmt = tzload("GMT")) == nil) sysfatal("nil gmt: %r\n"); if((us_arizona = tzload("US_Arizona")) == nil) sysfatal("nil us_arizona: %r\n"); if((us_eastern = tzload("US_Eastern")) == nil) sysfatal("nil us_eastern: %r\n"); if((us_central = tzload("US_Central")) == nil) sysfatal("get zone: %r\n"); if((zl = tzload("local")) == nil) sysfatal("load zone: %r\n"); if((zp = tzload("US_Pacific")) == nil) sysfatal("load zone: %r\n"); if(tmnow(&here, zl) == nil) sysfatal("get time: %r\n"); if(tmtime(&there, tmnorm(&here), zp) == nil) sysfatal("shift time: %r\n"); for(i = 0; i < 1600826575; i += 3613){ tmtime(&tm, i, nil); rangechk(i, "nsec", tm.nsec, 0, 1e9); rangechk(i, "sec", tm.sec, 0, 59); rangechk(i, "min", tm.min, 0, 59); rangechk(i, "hour", tm.hour, 0, 23); rangechk(i, "mday", tm.mday, 1, 31); rangechk(i, "mon", tm.mon, 0, 11); rangechk(i, "year", tm.year, 69 ,120); rangechk(i, "wday", tm.wday, 0, 6); rangechk(i, "yday", tm.yday, 0, 365); } tmtime(&tm, 1586574870, gmt); testtm("tmtime-gmt", 2020, 3, 11, 3, 14, 30, 0, &tm); tmtime(&tm, 1586574870, us_arizona); testtm("tmtime-az", 2020, 3, 10, 20, 14, 30, 0, &tm); tmtime(&tm, 0, gmt); testtm("tmtime-0-gmt", 1970, 0, 1, 0, 0, 0, 0, &tm); tmnorm(&tm); testtm("tmnorm-0-gmt", 1970, 0, 1, 0, 0, 0, 0, &tm); tmtime(&tm, 84061, gmt); testtm("tmtime-near0-gmt", 1970, 0, 1, 23, 21, 1, 0, &tm); tmnorm(&tm); testtm("tmnorm-near0-gmt", 1970, 0, 1, 23, 21, 1, 0, &tm); tmtime(&tm, 1586574870, us_arizona); testtm("tmtime-recent-az", 2020, 3, 10, 20, 14, 30, 0, &tm); tmnorm(&tm); testtm("tmnorm-recent-az", 2020, 3, 10, 20, 14, 30, 0, &tm); tmtime(&tm, 1586574870, us_eastern); testtm("tmtime-recent-est", 2020, 3, 10, 23, 14, 30, 0, &tm); tmnorm(&tm); testtm("tmnorm-recent-est", 2020, 3, 10, 23, 14, 30, 0, &tm); if(tmparse(&tm, "hhmm", "1600", gmt, nil) == nil) sysfatal("failed parse: %r\n"); testtm("hhmm", 1970, 0, 1, 16, 0, 0, 0, &tm); if(tmparse(&tm, "YYYY-MM-DD hh:mm:ss Z", "1969-12-31 16:00:00 -0800", nil, nil) == nil) fail("parse failed: %r\n"); if(tmnorm(&tm) != 0) fail("wrong result: %lld != 0\n", tmnorm(&tm)); if(tmparse(&tm, "YYYY MM DD", "1990,01,03", nil, nil) == nil) fail("comma parse failed"); if(tmnorm(&tm) != 631324800) fail("wrong result"); if(tmparse(&tm, "YYYY MM DD", "1990 ,\t01,03", nil, nil) == nil) fail("comma parse failed"); if(tmnorm(&tm) != 631324800) fail("wrong result"); if(tmparse(&tm, "YYYY MM DD hh:mm:ss", "1969 12 31 16:00:00", gmt, nil) == nil) sysfatal("failed parse: %r\n"); testtm("parse-notz1", 1969, 11, 31, 16, 0, 0, 0, &tm); if(tmparse(&tm, "YYYY MM DD hh:mm:ss", "1970 01 01 04:00:00", gmt, nil) == nil) fail("failed parse: %r\n"); testtm("parse-notz2", 1970, 0, 1, 4, 0, 0, 0, &tm); if(tmparse(&tm, "YYYY MM DD", "1970 01 01", gmt, nil) == nil) fail("failed parse: %r\n"); testtm("parse-notz3", 1970, 0, 1, 0, 0, 0, 0, &tm); if(tmparse(&tm, "YYYY MMMM DD WWW hh:mm:ss", "2020 April 10 Friday 16:04:00", gmt, nil) == nil) sysfatal("failed parse: %r\n"); testtm("parse-notz4", 2020, 3, 10, 16, 4, 0, 0, &tm); if(tmparse(&tm, "MM DD hh:mm:ss", "12 31 16:00:00", gmt, nil) == nil) sysfatal("failed parse: %r\n"); testtm("parse-notz5", 1970, 11, 31, 16, 0, 0, 0, &tm); if(tmparse(&tm, "MM DD h:mm:ss", "12 31 4:00:00", gmt, nil) == nil) sysfatal("failed parse: %r\n"); testtm("parse-mmdd-hms", 1970, 11, 31, 4, 0, 0, 0, &tm); if(tm.tzoff != 0) print("%d wrong tzoff expected=%d actual=%d\n", 6, 0, tm.tzoff); if(tmparse(&tm, "YYYY MM DD hh:mm:ss", "2020 04 10 23:14:30", us_eastern, nil) == nil) fail("failed parse: %r\n"); testtm("parse-est", 2020, 3, 10, 23, 14, 30, 0, &tm); tmtime(&tm, tmnorm(&tm), nil); if(tmparse(&tm, "YYYY MM DD hh:mm:ss", "2020 04 10 20:14:30", us_arizona, nil) == nil) fail("failed parse: %r\n"); testtm("parse-az", 2020, 3, 10, 20, 14, 30, 0, &tm); if(tmparse(&tm, "YYYY MM DD hh:mm:ss ZZZ", "2020 04 10 20:14:30 EST", us_arizona, nil) == nil) fail("failed parse: %r\n"); testtm("parse-tz1", 2020, 3, 10, 17, 14, 30, 0, &tm); if(tmparse(&tm, "YYYY MM DD hh:mm:ss Z", "2020 04 10 20:14:30 -0400", nil, nil) == nil) fail("failed parse: %r\n"); testtm("parse-tz2", 2020, 3, 10, 20, 14, 30, 0, &tm); snprint(buf, sizeof(buf), "%τ", tmfmt(&tm, "YYYY MM DD hh:mm:ss Z")); if(strcmp(buf, "2020 04 10 20:14:30 -0400") != 0) fail("failed format: %s != 2020 04 10 20:14:30 -0400", buf); if(tmparse(&tm, "YYYY MM DD hh:mm:ss.ttt", "2020 04 10 20:14:30.207", nil, nil) == nil) fail("failed parse: %r\n"); testtm("parse-milliseconds", 2020, 3, 10, 20, 14, 30, 207*1000*1000, &tm); if(tmparse(&tm, "YYYY MM DD hh:mm:ss.nnn", "2020 04 10 20:14:30.207", nil, nil) == nil) fail("failed parse: %r\n"); testtm("parse-nanoseconds", 2020, 3, 10, 20, 14, 30, 207, &tm); if(tmparse(&tm, "YYYY MM DD hh:mm:ss.nnn", "2020 04 10 20:14:30.999", nil, nil) == nil) fail("failed parse: %r\n"); testtm("parse-nnn2", 2020, 3, 10, 20, 14, 30, 999, &tm); snprint(buf, sizeof(buf), "%τ", tmfmt(&tm, "YYYY MM DD hh:mm:ss.nnn")); if(strcmp(buf, "2020 04 10 20:14:30.999") != 0) fail("failed format: %s != 2020 04 10 20:14:30.999", buf); if(tmparse(&tm, "YYYY MM DD hh:mm:ss.ttt", "2020 04 10 20:14:30.999", nil, nil) == nil) fail("failed parse: %r\n"); testtm("parse-nnn2", 2020, 3, 10, 20, 14, 30, 999*1000*1000, &tm); snprint(buf, sizeof(buf), "%τ", tmfmt(&tm, "YYYY MM DD hh:mm:ss.ttt")); if(strcmp(buf, "2020 04 10 20:14:30.999") != 0) fail("failed format: %s != 2020 04 10 20:14:30.999", buf); /* edge case: leap year feb 29 */ if(tmparse(&tm, "YYYY MM DD hh:mm:ss Z", "2020 02 29 20:14:30 -0400", nil, nil) == nil) fail("failed leap year feb 29: %r\n"); testtm("parse-leapfeb", 2020, 1, 29, 20, 14, 30, 0, &tm); if(tmparse(&tm, "YYYY MM DD hh:mm:ss Z", "2021 02 29 20:14:30 -0400", nil, nil) != nil) fail("incorrectly accepted non-leap year feb 29\n"); /* stray spaces */ if(tmparse(&tm, "YYYY MM DD hh:mm:ss Z", " 2020 02 29 20:14:30 -0400 ", nil, nil) == nil) fail("failed leap year feb 29: %r\n"); /* lots of round trips: Jan 1960 => Jun 2020, in almost-11 day increments */ for(i = -315619200; i < 1592179806; i += 23*3600 + 1732){ if(tmtime(&tm, i, nil) == nil) fail("load time %d\n", i); if(tmnorm(&tm) != i) fail("wrong load time: %d\n", i); if(snprint(buf, sizeof(buf), "%τ", tmfmt(&tm, "WW MMM DD hh:mm:ss Z YYYY")) == -1) fail("format: %r\n"); if(tmparse(&tt, "WW MMM DD hh:mm:ss Z YYYY", buf, nil, nil) == nil) fail("parse: %r\n"); if(tmnorm(&tm) != tmnorm(&tt)) fail("parse: wrong time (%lld != %lld)\n", tmnorm(&tm), tmnorm(&tt)); } /* lots of round trips: Jan 1960 => Jun 2020, in almost-dailyincrements, now with timezone */ for(i = -315619200; i < 1592179806; i += 23*3600 + 1732){ if(tmtime(&tm, i, us_eastern) == nil) fail("load time %d\n", i); if(tmnorm(&tm) != i) fail("wrong load time: %d\n", i); if(snprint(buf, sizeof(buf), "%τ", tmfmt(&tm, "WW MMM DD hh:mm:ss Z YYYY")) == -1) fail("format: %r\n"); if(tmparse(&tt, "WW MMM DD hh:mm:ss Z YYYY", buf, us_arizona, nil) == nil) fail("parse: %r\n"); if(tmnorm(&tm) != tmnorm(&tt)) fail("parse: wrong time (%lld != %lld)\n", tmnorm(&tm), tmnorm(&tt)); tm = tt; tmnorm(&tm); testtm("norm-rt", tt.year + 1900, tt.mon, tt.mday, tt.hour, tt.min, tt.sec, 0, &tm); } if(tmtime(&tm, -624623143, nil) == nil) fail("tmtime: %r"); if(snprint(buf, sizeof(buf), "%τ", tmfmt(&tm, "WW, DD MMM YYYY hh:mm:ss Z")) == -1) fail("format: %r"); if(strcmp(buf, "Fri, 17 Mar 1950 13:34:17 +0000") != 0) fail("wrong output: %s\n", buf); if(tmtime(&tm, -624623143, us_eastern) == nil) fail("tmtime: %r"); if(snprint(buf, sizeof(buf), "%τ", tmfmt(&tm, "WW, DD MMM YYYY hh:mm:ss Z")) == -1) fail("format: %r"); if(strcmp(buf, "Fri, 17 Mar 1950 08:34:17 -0500") != 0) fail("wrong output: %s\n", buf); /* AM and PM parsing */ for(i = 0; i < 24; i++){ h = i % 12; if(h == 0) h = 12; snprint(buf, sizeof(buf), "2021 02 01 %d:14:30 -0400", i); snprint(buf1, sizeof(buf1), "2021 02 01 %d:14:30 -0400 %s", h, (i < 12) ? "AM" : "PM"); if(tmparse(&tm, "YYYY MM DD hh:mm:ss Z", buf, nil, nil) == nil) fail("parse: %r\n"); if(tmparse(&tt, "YYYY MM DD hh:mm:ss Z A", buf1, nil, nil) == nil) fail("parse: %r\n"); if(tmnorm(&tm) != tmnorm(&tt)) print("bad am/pm parsed: %s != %s (%lld != %lld)\n", buf, buf1, tmnorm(&tm), tmnorm(&tt)); } /* ordinal day suffix parsing and formatting */ for(i = 1; i < 32; i++){ snprint(buf, sizeof(buf), "2023 08 %d", i); snprint(buf1, sizeof(buf1), "2023 08 %02d%s", i, i == 1 || i == 21 || i == 31? "st": i == 2 || i == 22? "nd": i == 3 || i == 23? "rd": "th"); if(tmparse(&tm, "YYYY MM DD", buf, nil, nil) == nil) fail("parse: %r\n"); if(tmparse(&tt, "YYYY MM DDo", buf1, nil, nil) == nil) fail("parse: %r\n"); if(tmnorm(&tm) != tmnorm(&tt)) print("bad ordinal day suffix parsed: %s != %s (%lld != %lld)\n", buf, buf1, tmnorm(&tm), tmnorm(&tt)); if(tmparse(&tm, "YYYY MM DDo", buf, nil, nil) != nil) print("ordinal day suffix parsed when absent\n"); if(snprint(buf, sizeof(buf), "%τ", tmfmt(&tm, "YYYY MM DDo")) == -1) fail("format: %r"); if(strcmp(buf, buf1) != 0) print("bad ordinal day suffix formatted: %s != %s\n", buf, buf1); } /* Time zone boundaries: entering DST */ if(tmtime(&tm, 1520733600, us_eastern) == nil) fail("tmtime: tz boundary"); if(snprint(buf, sizeof(buf), "%τ", tmfmt(&tm, nil)) == -1) fail("format: %r"); memset(&tm, 0, sizeof(tm)); if(tmparse(&tm, "WW MMM D hh:mm:ss ZZZ YYYY", buf, nil, nil) == nil) fail("parse: %r\n"); if(tmnorm(&tm) != 1520733600) fail("round trip timezone: %lld != 1520733600\n", tmnorm(&tm)); /* Time zone boundaries: leaving DST */ if(tmtime(&tm, 1541296800, us_eastern) == nil) fail("tmtime: tz boundary"); if(snprint(buf, sizeof(buf), "%τ", tmfmt(&tm, nil)) == -1) fail("format: %r\n"); memset(&tm, 0, sizeof(tm)); if(tmparse(&tm, "WW MMM D hh:mm:ss ZZZ YYYY", buf, nil, nil) == nil) fail("parse: %r"); if(tmnorm(&tm) != 1541296800) fail("round trip timezone: %lld != 1541296800\n", tmnorm(&tm)); /* flexible date parsing */ if(tmparse(&tm, "?YYYY ?MM DD hh:mm:ss ?ZZZ", "89 04 10 20:14:30 -0400", nil, nil) == nil) fail("failed parse: %r\n"); testtm("flexdates", 1989, 3, 10, 20, 14, 30, 0, &tm); char **d, *flexdates[] = { "1920 4 10 20:14:30 -0400", "1920 04 10 20:14:30 -0400", "1920 Apr 10 20:14:30 -0400", "1920 Apr 10 20:14:30 -04:00", "1920 Apr 10 20:14:30 -04:00", "1920 Apr 10 20:14:30 -04:00", "1920 April 10 20:14:30 EDT", "20 April 10 20:14:30 EDT", nil, }; for(d = flexdates; *d; d++){ if(tmparse(&tm, "?YYYY ?MM DD hh:mm:ss ?ZZZ", *d, nil, nil) == nil) fail("failed parse: %r\n"); testtm("flexdates", 1920, 3, 10, 20, 14, 30, 0, &tm); } /* Fuzzy zone */ if(tmparse(&tm, "?YYYY ?MM DD hh:mm:ss ?ZZZ", "2020 04 10 20:14:30 NOPE", nil, nil) == nil) fail("failed parse: %r\n"); testtm("fuzzy-nonzone", 2020, 3, 10, 20, 14, 30, 0, &tm); /* test tmnorm() offset */ memset(&tm, 0, sizeof(Tm)); tm.year = 120; tm.sec=0; tm.min=0; tm.hour=0; tm.mday=22; tm.mon=5; tm.tz=us_central; tmnorm(&tm); if(tmnorm(&tm) != 1592802000) fail("tmnorm is not using the daylight savings time offset. %lld != 1592809200\n", tmnorm(&tm)); memset(&tm, 0, sizeof(Tm)); if(tmnow(&tm, us_central) == nil) fail("tmnow(): %r"); tm.year = 120; tm.sec=0; tm.min=0; tm.hour=0; tm.mday=22; tm.mon=5; tm.tz=us_central; s = tmnorm(&tm); if(s != 1592802000) fail("tmnorm is not using the daylight savings time offset. %lld != 1592809200\n", s); tm.year = 120; tm.sec=0; tm.min=0; tm.hour=0; tm.mday=22; tm.mon=0; s = tmnorm(&tm); if(s != 1579672800) fail("tmnorm is not using the daylight savings time offset. %lld != 1579672800\n", s); tm.tz=us_eastern; s = tmnorm(&tm); if(s != 1579669200) fail("tmnorm converted to us_eastern. %lld != 1579669200\n", s); tm.tz=us_central; s = tmnorm(&tm); if(s != 1579672800) fail("tmnorm converted back to us_central. %lld != 1579672800\n", s); if(failed) exits("test failed"); exits(nil); }