lib/util/tests/time.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    util time testing
   5
   6    Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2008
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 3 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20 */
  21
  22 #include "includes.h"
  23 #include "torture/torture.h"
  24
  25 static bool test_null_time(struct torture_context *tctx)
  26 {
  27         torture_assert(tctx, null_time(0), "0");
  28         torture_assert(tctx, null_time(0xFFFFFFFF), "0xFFFFFFFF");
  29         torture_assert(tctx, null_time(-1), "-1");
  30         torture_assert(tctx, !null_time(42), "42");
  31         return true;
  32 }
  33
  34 static bool test_null_nttime(struct torture_context *tctx)
  35 {
  36         torture_assert(tctx, null_nttime(-1), "-1");
  37         torture_assert(tctx, null_nttime(-1), "-1");
  38         torture_assert(tctx, !null_nttime(42), "42");
  39         return true;
  40 }
  41
  42
  43 static bool test_http_timestring(struct torture_context *tctx)
  44 {
  45         const char *start = "Thu, 01 Jan 1970";
  46         char *result;
  47         /*
  48          * Correct test for negative UTC offset.  Without the correction, the
  49          * test fails when run on hosts with negative UTC offsets, as the date
  50          * returned is back in 1969 (pre-epoch).
  51          */
  52         time_t now = time(NULL);
  53         struct tm local = *localtime(&now);
  54         struct tm gmt = *gmtime(&now);
  55         time_t utc_offset = mktime(&local) - mktime(&gmt);
  56
  57         result = http_timestring(tctx, 42 - (utc_offset < 0 ? utc_offset : 0));
  58         torture_assert(tctx, !strncmp(start, result,
  59                                       strlen(start)), result);
  60         torture_assert_str_equal(tctx, "never",
  61                                  http_timestring(tctx, get_time_t_max()), "42");
  62         return true;
  63 }
  64
  65 static bool test_timestring(struct torture_context *tctx)
  66 {
  67         const char *start = "Thu Jan  1";
  68         char *result;
  69         /*
  70          * Correct test for negative UTC offset.  Without the correction, the
  71          * test fails when run on hosts with negative UTC offsets, as the date
  72          * returned is back in 1969 (pre-epoch).
  73          */
  74         time_t now = time(NULL);
  75         struct tm local = *localtime(&now);
  76         struct tm gmt = *gmtime(&now);
  77         time_t utc_offset = mktime(&local) - mktime(&gmt);
  78
  79         result = timestring(tctx, 42 - (utc_offset < 0 ? utc_offset : 0));
  80         torture_assert(tctx, !strncmp(start, result, strlen(start)),
  81                                    result);
  82         return true;
  83 }
  84
  85 static bool test_get_time_zone(struct torture_context *tctx)
  86 {
  87         time_t t = time(NULL);
  88         int old_extra_time_offset = extra_time_offset;
  89         int old_offset, new_offset;
  90         /* test that extra_time_offset works */
  91
  92         old_offset = get_time_zone(t);
  93         extra_time_offset = 42;
  94         new_offset = get_time_zone(t);
  95         extra_time_offset = old_extra_time_offset;
  96         torture_assert_int_equal(tctx, old_offset+60*42, new_offset,
  97                                  "time offset not used");
  98         return true;
  99 }
 100
 101
 102 struct torture_suite *torture_local_util_time(TALLOC_CTX *mem_ctx)
 103 {
 104         struct torture_suite *suite = torture_suite_create(mem_ctx, "TIME");
 105
 106         torture_suite_add_simple_test(suite, "null_time", test_null_time);
 107         torture_suite_add_simple_test(suite, "get_time_zone", test_get_time_zone);
 108         torture_suite_add_simple_test(suite, "null_nttime", test_null_nttime);
 109         torture_suite_add_simple_test(suite, "http_timestring",
 110                                                                   test_http_timestring);
 111         torture_suite_add_simple_test(suite, "timestring",
 112                                                                   test_timestring);
 113
 114         return suite;
 115 }