From: Dennis Wölfing Date: Tue, 6 Feb 2018 19:54:00 +0000 (+0100) Subject: add test for strftime X-Git-Url: http://nsz.repo.hu/git/?p=libc-test;a=commitdiff_plain;h=390c00c747f444385ee36afcbf2f7cc075f94637 add test for strftime --- diff --git a/src/functional/strftime.c b/src/functional/strftime.c new file mode 100644 index 0000000..25e1172 --- /dev/null +++ b/src/functional/strftime.c @@ -0,0 +1,181 @@ +#include +#include +#include +#include +#include "test.h" + +static char buffer[100]; + +static void checkStrftime(const char* format, const struct tm* tm, + const char* expected) { + size_t resultLength = strftime(buffer, sizeof(buffer), format, tm); + + if (resultLength != 0 && strcmp(buffer, expected) != 0) { + t_error("\"%s\": expected \"%s\", got \"%s\"\n", format, expected, buffer); + } else if (resultLength == 0 && strlen(expected) != 0) { + t_error("\"%s\": expected \"%s\", got nothing\n", format, expected); + } +} + +static struct tm tm1 = { + .tm_sec = 45, + .tm_min = 23, + .tm_hour = 13, + .tm_mday = 3, + .tm_mon = 0, + .tm_year = 2016 - 1900, + .tm_wday = 0, + .tm_yday = 2, + .tm_isdst = 0 +}; + +static struct tm tm2 = { + .tm_sec = 53, + .tm_min = 17, + .tm_hour = 5, + .tm_mday = 5, + .tm_mon = 0, + .tm_year = 10009 - 1900, + .tm_wday = 1, + .tm_yday = 4, + .tm_isdst = 0 +}; + +static struct tm tm3 = { + .tm_sec = 0, + .tm_min = 0, + .tm_hour = 12, + .tm_mday = 23, + .tm_mon = 1, + .tm_year = 0 - 1900, + .tm_wday = 3, + .tm_yday = 53, + .tm_isdst = 0 +}; + +static struct tm tm4 = { + .tm_sec = 0, + .tm_min = 0, + .tm_hour = 0, + .tm_mday = 1, + .tm_mon = 0, + .tm_year = -123 - 1900, + .tm_wday = 1, + .tm_yday = 0, + .tm_isdst = 0 +}; + +static struct tm tm5 = { + .tm_sec = 0, + .tm_min = 0, + .tm_hour = 0, + .tm_mday = 1, + .tm_mon = 0, + .tm_year = INT_MAX, + .tm_wday = 3, + .tm_yday = 0, + .tm_isdst = 0 +}; + +int main() { + setenv("TZ", "UTC0", 1); + + checkStrftime("%c", &tm1, "Sun Jan 3 13:23:45 2016"); + checkStrftime("%c", &tm2, "Mon Jan 5 05:17:53 +10009"); + checkStrftime("%c", &tm3, "Wed Feb 23 12:00:00 0000"); + + // The POSIX.1-2008 standard does not specify the padding character for + // "%C". The C standard requires that the number is padded by '0'. + // See also http://austingroupbugs.net/view.php?id=1184 + checkStrftime("%C", &tm1, "20"); + checkStrftime("%03C", &tm1, "020"); + checkStrftime("%+3C", &tm1, "+20"); + checkStrftime("%C", &tm2, "100"); + checkStrftime("%C", &tm3, "00"); + checkStrftime("%01C", &tm3, "0"); + + checkStrftime("%F", &tm1, "2016-01-03"); + checkStrftime("%012F", &tm1, "002016-01-03"); + checkStrftime("%+10F", &tm1, "2016-01-03"); + checkStrftime("%+11F", &tm1, "+2016-01-03"); + checkStrftime("%F", &tm2, "+10009-01-05"); + checkStrftime("%011F", &tm2, "10009-01-05"); + checkStrftime("%F", &tm3, "0000-02-23"); + checkStrftime("%01F", &tm3, "0-02-23"); + checkStrftime("%06F", &tm3, "0-02-23"); + checkStrftime("%010F", &tm3, "0000-02-23"); + checkStrftime("%F", &tm4, "-123-01-01"); + checkStrftime("%011F", &tm4, "-0123-01-01"); + + checkStrftime("%g", &tm1, "15"); + checkStrftime("%g", &tm2, "09"); + + checkStrftime("%G", &tm1, "2015"); + checkStrftime("%+5G", &tm1, "+2015"); + checkStrftime("%04G", &tm2, "10009"); + + checkStrftime("%r", &tm1, "01:23:45 PM"); + checkStrftime("%r", &tm2, "05:17:53 AM"); + checkStrftime("%r", &tm3, "12:00:00 PM"); + checkStrftime("%r", &tm4, "12:00:00 AM"); + + // The "%s" specifier was accepted by the Austin Group for the next POSIX.1 + // revision. See http://austingroupbugs.net/view.php?id=169 + checkStrftime("%s", &tm1, "1451827425"); + if (sizeof(time_t) * CHAR_BIT >= 64) { + checkStrftime("%s", &tm2, "253686748673"); + } + + checkStrftime("%T", &tm1, "13:23:45"); + checkStrftime("%T", &tm2, "05:17:53"); + checkStrftime("%T", &tm3, "12:00:00"); + checkStrftime("%T", &tm4, "00:00:00"); + + checkStrftime("%U", &tm1, "01"); + checkStrftime("%U", &tm2, "01"); + checkStrftime("%U", &tm3, "08"); + + checkStrftime("%V", &tm1, "53"); + checkStrftime("%V", &tm2, "02"); + checkStrftime("%V", &tm3, "08"); + + checkStrftime("%W", &tm1, "00"); + checkStrftime("%W", &tm2, "01"); + checkStrftime("%W", &tm3, "08"); + + checkStrftime("%x", &tm1, "01/03/16"); + checkStrftime("%X", &tm1, "13:23:45"); + checkStrftime("%y", &tm1, "16"); + + // There is no standard that explicitly specifies the exact format of "%Y". + // The C standard says that "%F" is equivalent to "%Y-%m-%d". The + // POSIX.1-2008 standard says that "%F" is equivalent to "%+4Y-%m-%d". + // This implies that to conform to both standards "%Y" needs to be + // equivalent to "%+4Y". + // See also http://austingroupbugs.net/view.php?id=739 + checkStrftime("%Y", &tm1, "2016"); + checkStrftime("%05Y", &tm1, "02016"); + checkStrftime("%+4Y", &tm1, "2016"); + checkStrftime("%+5Y", &tm1, "+2016"); + checkStrftime("%Y", &tm2, "+10009"); + checkStrftime("%05Y", &tm2, "10009"); + checkStrftime("%Y", &tm3, "0000"); + checkStrftime("%02Y", &tm3, "00"); + checkStrftime("%+5Y", &tm3, "+0000"); + checkStrftime("%Y", &tm4, "-123"); + checkStrftime("%+4Y", &tm4, "-123"); + checkStrftime("%+5Y", &tm4, "-0123"); + + if (INT_MAX == 0x7FFFFFFF) { + // The standard does not specify any range for tm_year, so INT_MAX + // should be valid. + checkStrftime("%y", &tm5, "47"); + checkStrftime("%Y", &tm5, "+2147485547"); + checkStrftime("%011Y", &tm5, "02147485547"); + if (sizeof(time_t) * CHAR_BIT >= 64) { + checkStrftime("%s", &tm5, "67768036160140800"); + } + } + + return t_status; +}