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| | #include <limits.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#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;
}
|