1 /* Test that posixtime works as required.
2 Copyright (C) 2009-2018 Free Software Foundation, Inc.
3
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 3 of the License, or
7 (at your option) any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
13
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <https://www.gnu.org/licenses/>. */
16
17 /* Written by Jim Meyering. */
18
19 #include <config.h>
20
21 #include "posixtm.h"
22
23 #include <stdio.h>
24 #include <stdlib.h>
25 #include <string.h>
26 #include <stdint.h>
27 #include <time.h>
28
29 #include "intprops.h"
30 #include "macros.h"
31
32 struct posixtm_test
33 {
34 char const *in;
35 unsigned int syntax_bits;
36 bool valid;
37 int_least64_t t_expected;
38 };
39
40 /* Test mainly with syntax_bits == LY. */
41 enum { LY = PDS_CENTURY | PDS_SECONDS };
42
43 static struct posixtm_test const T[] =
44 {
45 /* no year specified; cross-check via another posixtime call */
46 { "12131415.16", LY, 1, 0}, /* ??? Dec 13 14:15:16 ???? */
47 { "12131415", LY, 1, 0}, /* ??? Dec 13 14:15:00 ???? */
48
49 /* These two tests fail on 64-bit Solaris up through at least
50 Solaris 10, which is off by one day for timestamps before
51 0001-01-01 00:00:00 UTC. */
52 { "000001010000.00", LY, 1,
53 - INT64_C (62167219200)},/* Sat Jan 1 00:00:00 0 */
54 { "000012312359.59", LY, 1,
55 - INT64_C (62135596801)},/* Fri Dec 31 23:59:59 0 */
56
57 { "000101010000.00", LY, 1,
58 - INT64_C (62135596800)},/* Sat Jan 1 00:00:00 1 */
59 { "190112132045.51", LY, 1,
60 - INT64_C (2147483649)},/* Fri Dec 13 20:45:51 1901 */
61 { "190112132045.52", LY, 1,
62 - INT64_C (2147483648)},/* Fri Dec 13 20:45:52 1901 */
63 { "190112132045.53", LY, 1, -2147483647}, /* Fri Dec 13 20:45:53 1901 */
64 { "190112132046.52", LY, 1, -2147483588}, /* Fri Dec 13 20:46:52 1901 */
65 { "190112132145.52", LY, 1, -2147480048}, /* Fri Dec 13 21:45:52 1901 */
66 { "190112142045.52", LY, 1, -2147397248}, /* Sat Dec 14 20:45:52 1901 */
67 { "190201132045.52", LY, 1, -2144805248}, /* Mon Jan 13 20:45:52 1902 */
68 { "196912312359.59", LY, 1, -1}, /* Wed Dec 31 23:59:59 1969 */
69 { "197001010000.00", LY, 1, 0}, /* Thu Jan 1 00:00:00 1970 */
70 { "197001010000.01", LY, 1, 1}, /* Thu Jan 1 00:00:01 1970 */
71 { "197001010001.00", LY, 1, 60}, /* Thu Jan 1 00:01:00 1970 */
72 { "197001010000.60", LY, 1, 60}, /* Thu Jan 1 00:01:00 1970 */
73 { "197001010100.00", LY, 1, 3600}, /* Thu Jan 1 01:00:00 1970 */
74 { "197001020000.00", LY, 1, 86400}, /* Fri Jan 2 00:00:00 1970 */
75 { "197002010000.00", LY, 1, 2678400}, /* Sun Feb 1 00:00:00 1970 */
76 { "197101010000.00", LY, 1, 31536000}, /* Fri Jan 1 00:00:00 1971 */
77 { "197001000000.00", LY, 0, 0}, /* -- */
78 { "197000010000.00", LY, 0, 0}, /* -- */
79 { "197001010060.00", LY, 0, 0}, /* -- */
80 { "197001012400.00", LY, 0, 0}, /* -- */
81 { "197001320000.00", LY, 0, 0}, /* -- */
82 { "197013010000.00", LY, 0, 0}, /* -- */
83 { "203801190314.06", LY, 1, 2147483646}, /* Tue Jan 19 03:14:06 2038 */
84 { "203801190314.07", LY, 1, 2147483647}, /* Tue Jan 19 03:14:07 2038 */
85 { "203801190314.08", LY, 1,
86 INT64_C ( 2147483648)},/* Tue Jan 19 03:14:08 2038 */
87 { "999912312359.59", LY, 1,
88 INT64_C (253402300799)},/* Fri Dec 31 23:59:59 9999 */
89 { "1112131415", LY, 1, 1323785700}, /* Tue Dec 13 14:15:00 2011 */
90 { "1112131415.16", LY, 1, 1323785716}, /* Tue Dec 13 14:15:16 2011 */
91 { "201112131415.16", LY, 1, 1323785716}, /* Tue Dec 13 14:15:16 2011 */
92 { "191112131415.16", LY, 1, -1831974284}, /* Wed Dec 13 14:15:16 1911 */
93 { "203712131415.16", LY, 1, 2144326516}, /* Sun Dec 13 14:15:16 2037 */
94 { "3712131415.16", LY, 1, 2144326516}, /* Sun Dec 13 14:15:16 2037 */
95 { "6812131415.16", LY, 1,
96 INT64_C ( 3122633716)},/* Thu Dec 13 14:15:16 2068 */
97 { "6912131415.16", LY, 1, -1590284}, /* Sat Dec 13 14:15:16 1969 */
98 { "7012131415.16", LY, 1, 29945716}, /* Sun Dec 13 14:15:16 1970 */
99 { "1213141599", PDS_TRAILING_YEAR,
100 1, 945094500}, /* Mon Dec 13 14:15:00 1999 */
101 { "1213141500", PDS_TRAILING_YEAR,
102 1, 976716900}, /* Wed Dec 13 14:15:00 2000 */
103 { NULL, 0, 0, 0}
104 };
105
106 int
main(void)107 main (void)
108 {
109 unsigned int i;
110 int fail = 0;
111 char curr_year_str[30];
112 struct tm *tm;
113 time_t t_now;
114 int err;
115 size_t n_bytes;
116
117 /* The above test data requires Universal Time, e.g., TZ="UTC0". */
118 err = setenv ("TZ", "UTC0", 1);
119 ASSERT (err == 0);
120
121 t_now = time (NULL);
122 ASSERT (t_now != (time_t) -1);
123 tm = localtime (&t_now);
124 ASSERT (tm);
125 n_bytes = strftime (curr_year_str, sizeof curr_year_str, "%Y", tm);
126 ASSERT (0 < n_bytes);
127
128 for (i = 0; T[i].in; i++)
129 {
130 time_t t_out;
131 time_t t_exp;
132 bool ok;
133
134 /* Some tests assume that time_t is signed.
135 If it is unsigned and the result is negative, skip the test. */
136 if (T[i].t_expected < 0 && ! TYPE_SIGNED (time_t))
137 {
138 printf ("skipping %s: result is negative, "
139 "but your time_t is unsigned\n", T[i].in);
140 continue;
141 }
142
143 if (! (TYPE_MINIMUM (time_t) <= T[i].t_expected
144 && T[i].t_expected <= TYPE_MAXIMUM (time_t)))
145 {
146 printf ("skipping %s: result is out of range of your time_t\n",
147 T[i].in);
148 continue;
149 }
150
151 t_exp = T[i].t_expected;
152
153 /* If an input string does not specify the year number, determine
154 the expected output by calling posixtime with an otherwise
155 equivalent string that starts with the current year. */
156 if (8 <= strlen (T[i].in)
157 && (T[i].in[8] == '.' || T[i].in[8] == '\0'))
158 {
159 char tmp_buf[20];
160 stpcpy (stpcpy (tmp_buf, curr_year_str), T[i].in);
161 ASSERT (posixtime (&t_exp, tmp_buf, T[i].syntax_bits));
162 }
163
164 ok = posixtime (&t_out, T[i].in, T[i].syntax_bits);
165 if (ok != !!T[i].valid)
166 {
167 printf ("%s return value mismatch: got %d, expected %d\n",
168 T[i].in, !!ok, T[i].valid);
169 fail = 1;
170 continue;
171 }
172
173 if (!ok)
174 continue;
175
176 if (t_out != t_exp)
177 {
178 printf ("%s mismatch (-: actual; +:expected)\n-%12ld\n+%12ld\n",
179 T[i].in, t_out, t_exp);
180 fail = 1;
181 }
182 }
183
184 return fail;
185 }
186
187 /*
188 Local Variables:
189 indent-tabs-mode: nil
190 End:
191 */
192