diff options
Diffstat (limited to 'test/time/tst-mktime2.c')
-rw-r--r-- | test/time/tst-mktime2.c | 141 |
1 files changed, 0 insertions, 141 deletions
diff --git a/test/time/tst-mktime2.c b/test/time/tst-mktime2.c deleted file mode 100644 index 6279218cb..000000000 --- a/test/time/tst-mktime2.c +++ /dev/null @@ -1,141 +0,0 @@ -/* Test program from Paul Eggert and Tony Leneis. */ -#include <time.h> -#include <stdlib.h> -#include <unistd.h> - -static time_t time_t_max; -static time_t time_t_min; - -/* Values we'll use to set the TZ environment variable. */ -static const char *tz_strings[] = - { - (const char *) 0, "GMT0", "JST-9", - "EST+3EDT+2,M10.1.0/00:00:00,M2.3.0/00:00:00" - }; -#define N_STRINGS ((int) (sizeof (tz_strings) / sizeof (tz_strings[0]))) - -/* Fail if mktime fails to convert a date in the spring-forward gap. - Based on a problem report from Andreas Jaeger. */ -static void -spring_forward_gap (void) -{ - /* glibc (up to about 1998-10-07) failed this test. */ - struct tm tm; - - /* Use the portable POSIX.1 specification "TZ=PST8PDT,M4.1.0,M10.5.0" - instead of "TZ=America/Vancouver" in order to detect the bug even - on systems that don't support the Olson extension, or don't have the - full zoneinfo tables installed. */ - setenv ("TZ", "PST8PDT,M4.1.0,M10.5.0", 1); - - tm.tm_year = 98; - tm.tm_mon = 3; - tm.tm_mday = 5; - tm.tm_hour = 2; - tm.tm_min = 0; - tm.tm_sec = 0; - tm.tm_isdst = -1; - if (mktime (&tm) == (time_t)-1) - exit (1); -} - -static void -mktime_test1 (time_t now) -{ - struct tm *lt = localtime (&now); - if (lt && mktime (lt) != now) - exit (2); -} - -static void -mktime_test (time_t now) -{ - mktime_test1 (now); - mktime_test1 ((time_t) (time_t_max - now)); - mktime_test1 ((time_t) (time_t_min + now)); -} - -static void -irix_6_4_bug (void) -{ - /* Based on code from Ariel Faigon. */ - struct tm tm; - tm.tm_year = 96; - tm.tm_mon = 3; - tm.tm_mday = 0; - tm.tm_hour = 0; - tm.tm_min = 0; - tm.tm_sec = 0; - tm.tm_isdst = -1; - mktime (&tm); - if (tm.tm_mon != 2 || tm.tm_mday != 31) - exit (3); -} - -static void -bigtime_test (int j) -{ - struct tm tm; - time_t now; - tm.tm_year = tm.tm_mon = tm.tm_mday = tm.tm_hour = tm.tm_min = tm.tm_sec = j; - tm.tm_isdst = -1; - now = mktime (&tm); - if (now != (time_t) -1) - { - struct tm *lt = localtime (&now); - if (! (lt - && lt->tm_year == tm.tm_year - && lt->tm_mon == tm.tm_mon - && lt->tm_mday == tm.tm_mday - && lt->tm_hour == tm.tm_hour - && lt->tm_min == tm.tm_min - && lt->tm_sec == tm.tm_sec - && lt->tm_yday == tm.tm_yday - && lt->tm_wday == tm.tm_wday - && ((lt->tm_isdst < 0 ? -1 : 0 < lt->tm_isdst) - == (tm.tm_isdst < 0 ? -1 : 0 < tm.tm_isdst)))) - exit (4); - } -} - -static int -do_test (void) -{ - time_t t, delta; - int i, j; - - setenv ("TZ", "America/Sao_Paulo", 1); - /* This test makes some buggy mktime implementations loop. - Give up after 60 seconds; a mktime slower than that - isn't worth using anyway. */ - alarm (60); - - for (time_t_max = 1; 0 < time_t_max; time_t_max *= 2) - continue; - time_t_max--; - if ((time_t) -1 < 0) - for (time_t_min = -1; (time_t) (time_t_min * 2) < 0; time_t_min *= 2) - continue; - delta = time_t_max / 997; /* a suitable prime number */ - for (i = 0; i < N_STRINGS; i++) - { - if (tz_strings[i]) - setenv ("TZ", tz_strings[i], 1); - - for (t = 0; t <= time_t_max - delta; t += delta) - mktime_test (t); - mktime_test ((time_t) 1); - mktime_test ((time_t) (60 * 60)); - mktime_test ((time_t) (60 * 60 * 24)); - - for (j = 1; 0 < j; j *= 2) - bigtime_test (j); - bigtime_test (j - 1); - } - irix_6_4_bug (); - spring_forward_gap (); - return 0; -} - -#define TEST_FUNCTION do_test () -#include "../test-skeleton.c" |