diff options
Diffstat (limited to 'timezone')
| -rw-r--r-- | timezone/Makefile | 4 | ||||
| -rw-r--r-- | timezone/testdata/XT6 | bin | 0 -> 625 bytes | |||
| -rw-r--r-- | timezone/tst-bz29951.c | 68 |
3 files changed, 71 insertions, 1 deletions
diff --git a/timezone/Makefile b/timezone/Makefile index a789c22..5002de3 100644 --- a/timezone/Makefile +++ b/timezone/Makefile @@ -23,7 +23,7 @@ subdir := timezone include ../Makeconfig others := zdump zic -tests := test-tz tst-timezone tst-tzset tst-bz28707 +tests := test-tz tst-timezone tst-tzset tst-bz28707 tst-bz29951 generated-dirs += testdata @@ -86,11 +86,13 @@ $(objpfx)tst-timezone.out: $(addprefix $(testdata)/, \ Europe/London) $(objpfx)tst-tzset.out: $(addprefix $(testdata)/XT, 1 2 3 4) $(objpfx)tst-bz28707.out: $(testdata)/XT5 +$(objpfx)tst-bz29951.out: $(testdata)/XT6 test-tz-ENV = TZDIR=$(testdata) tst-timezone-ENV = TZDIR=$(testdata) tst-tzset-ENV = TZDIR=$(testdata) tst-bz28707-ENV = TZDIR=$(testdata) +tst-bz29951-ENV = TZDIR=$(testdata) # Note this must come second in the deps list for $(built-program-cmd) to work. zic-deps = $(objpfx)zic $(leapseconds) yearistype diff --git a/timezone/testdata/XT6 b/timezone/testdata/XT6 Binary files differnew file mode 100644 index 0000000..07b393b --- /dev/null +++ b/timezone/testdata/XT6 diff --git a/timezone/tst-bz29951.c b/timezone/tst-bz29951.c new file mode 100644 index 0000000..abd3346 --- /dev/null +++ b/timezone/tst-bz29951.c @@ -0,0 +1,68 @@ +/* Check that daylight is set if the last DST transition did not change offset. + Copyright (C) 2023 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#include <errno.h> +#include <stdlib.h> +#include <support/check.h> +#include <time.h> + +/* Set the specified time zone with error checking. */ +static void +set_timezone (const char *name) +{ + TEST_VERIFY (setenv ("TZ", name, 1) == 0); + errno = 0; + tzset (); + TEST_COMPARE (errno, 0); +} + +static int +do_test (void) +{ + /* Test zone based on tz-2022g version of Africa/Tripoli. The last + DST transition coincided with a change in the standard time + offset, effectively making it a no-op. + + Africa/Tripoli Thu Oct 24 23:59:59 2013 UT + = Fri Oct 25 01:59:59 2013 CEST isdst=1 gmtoff=7200 + Africa/Tripoli Fri Oct 25 00:00:00 2013 UT + = Fri Oct 25 02:00:00 2013 EET isdst=0 gmtoff=7200 + */ + set_timezone ("XT6"); + TEST_VERIFY (daylight != 0); + TEST_COMPARE (timezone, -7200); + + /* Check that localtime re-initializes the two variables. */ + daylight = timezone = 17; + time_t t = 844034401; + struct tm *tm = localtime (&t); + TEST_VERIFY (daylight != 0); + TEST_COMPARE (timezone, -7200); + TEST_COMPARE (tm->tm_year, 96); + TEST_COMPARE (tm->tm_mon, 8); + TEST_COMPARE (tm->tm_mday, 29); + TEST_COMPARE (tm->tm_hour, 23); + TEST_COMPARE (tm->tm_min, 0); + TEST_COMPARE (tm->tm_sec, 1); + TEST_COMPARE (tm->tm_gmtoff, 3600); + TEST_COMPARE (tm->tm_isdst, 0); + + return 0; +} + +#include <support/test-driver.c> |