xref: /netbsd-src/tests/lib/libc/time/t_strptime.c (revision 181254a7b1bdde6873432bffef2d2decc4b5c22f)
1 /* $NetBSD: t_strptime.c,v 1.15 2018/06/03 08:48:37 maya Exp $ */
2 
3 /*-
4  * Copyright (c) 1998, 2008 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by David Laight.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #include <sys/cdefs.h>
33 __COPYRIGHT("@(#) Copyright (c) 2008\
34  The NetBSD Foundation, inc. All rights reserved.");
35 __RCSID("$NetBSD: t_strptime.c,v 1.15 2018/06/03 08:48:37 maya Exp $");
36 
37 #include <time.h>
38 #include <stdlib.h>
39 #include <stdio.h>
40 
41 #include <atf-c.h>
42 
43 static void
44 h_pass(const char *buf, const char *fmt, int len,
45     int tm_sec, int tm_min, int tm_hour, int tm_mday,
46     int tm_mon, int tm_year, int tm_wday, int tm_yday)
47 {
48 	struct tm tm = { -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, NULL };
49 	const char *ret, *exp;
50 
51 	exp = buf + len;
52 	ret = strptime(buf, fmt, &tm);
53 
54 	ATF_CHECK_MSG(ret == exp,
55 	    "strptime(\"%s\", \"%s\", tm): incorrect return code: "
56 	    "expected: %p, got: %p", buf, fmt, exp, ret);
57 
58 #define H_REQUIRE_FIELD(field)						\
59 		ATF_CHECK_MSG(tm.field == field,			\
60 		    "strptime(\"%s\", \"%s\", tm): incorrect %s: "	\
61 		    "expected: %d, but got: %d", buf, fmt,		\
62 		    ___STRING(field), field, tm.field)
63 
64 	H_REQUIRE_FIELD(tm_sec);
65 	H_REQUIRE_FIELD(tm_min);
66 	H_REQUIRE_FIELD(tm_hour);
67 	H_REQUIRE_FIELD(tm_mday);
68 	H_REQUIRE_FIELD(tm_mon);
69 	H_REQUIRE_FIELD(tm_year);
70 	H_REQUIRE_FIELD(tm_wday);
71 	H_REQUIRE_FIELD(tm_yday);
72 
73 #undef H_REQUIRE_FIELD
74 }
75 
76 static void
77 h_fail(const char *buf, const char *fmt)
78 {
79 	struct tm tm = { -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, NULL };
80 
81 	ATF_CHECK_MSG(strptime(buf, fmt, &tm) == NULL, "strptime(\"%s\", "
82 	    "\"%s\", &tm) should fail, but it didn't", buf, fmt);
83 }
84 
85 static struct {
86 	const char *name;
87 	long offs;
88 } zt[] = {
89 	{ "Z",				0 },
90 	{ "UT",				0 },
91 	{ "UTC",			0 },
92 	{ "GMT",			0 },
93 	{ "EST",			-18000 },
94 	{ "EDT",			-14400 },
95 	{ "CST",			-21600 },
96 	{ "CDT",			-18000 },
97 	{ "MST",			-25200 },
98 	{ "MDT",			-21600 },
99 	{ "PST",			-28800 },
100 	{ "PDT",			-25200 },
101 
102 	{ "VST",			-1 },
103 	{ "VDT",			-1 },
104 
105 	{ "+03",			10800 },
106 	{ "-03",			-10800 },
107 	{ "+0403",			14580 },
108 	{ "-0403",			-14580 },
109 	{ "+04:03",			14580 },
110 	{ "-04:03",			-14580 },
111 	{ "+14:00",			50400 },
112 	{ "-14:00",			-50400 },
113 	{ "+23:59",			86340 },
114 	{ "-23:59",			-86340 },
115 
116 	{ "1",				-1 },
117 	{ "03",				-1 },
118 	{ "0304",			-1 },
119 	{ "+1",				-1 },
120 	{ "-203",			-1 },
121 	{ "+12345",			-1 },
122 	{ "+12:345",			-1 },
123 	{ "+123:45",			-1 },
124 	{ "+2400",			-1 },
125 	{ "-2400",			-1 },
126 	{ "+1060",			-1 },
127 	{ "-1060",			-1 },
128 
129 	{ "A",				3600 },
130 	{ "B",				7200 },
131 	{ "C",				10800 },
132 	{ "D",				14400 },
133 	{ "E",				18000 },
134 	{ "F",				21600 },
135 	{ "G",				25200 },
136 	{ "H",				28800 },
137 	{ "I",				32400 },
138 	{ "L",				39600 },
139 	{ "M",				43200 },
140 	{ "N",				-3600 },
141 	{ "O",				-7200 },
142 	{ "P",				-10800 },
143 	{ "Q",				-14400 },
144 	{ "R",				-18000 },
145 	{ "T",				-25200 },
146 	{ "U",				-28800 },
147 	{ "V",				-32400 },
148 	{ "W",				-36000 },
149 	{ "X",				-39600 },
150 	{ "Y",				-43200 },
151 
152 	{ "J",				-2 },
153 
154 	{ "America/Los_Angeles",	-28800 },
155 	{ "America/New_York",		-18000 },
156 	{ "EST4EDT",			-14400 },
157 
158 	{ "Bogus",			-1 },
159 };
160 
161 static void
162 ztest1(const char *name, const char *fmt, long value)
163 {
164 	struct tm tm;
165 	char *rv;
166 
167 	memset(&tm, 0, sizeof(tm));
168 	if ((rv = strptime(name, fmt, &tm)) == NULL)
169 		tm.tm_gmtoff = -1;
170 	else if (rv == name && fmt[1] == 'Z')
171 		value = 0;
172 
173 	switch (value) {
174 	case -2:
175 		value = -timezone;
176 		break;
177 	case -1:
178 		if (fmt[1] == 'Z')
179 			value = 0;
180 		break;
181 	default:
182 		break;
183 	}
184 
185 	ATF_CHECK_MSG(tm.tm_gmtoff == value,
186 	    "strptime(\"%s\", \"%s\", &tm): "
187 	    "expected: tm.tm_gmtoff=%ld, got: tm.tm_gmtoff=%ld",
188 	    name, fmt, value, tm.tm_gmtoff);
189 	printf("%s %s %ld\n", name, fmt, tm.tm_gmtoff);
190 }
191 
192 static void
193 ztest(const char *fmt)
194 {
195 	setenv("TZ", "US/Eastern", 1);
196 	ztest1("GMT", fmt, 0);
197 	ztest1("UTC", fmt, 0);
198 	ztest1("US/Eastern", fmt, -18000);
199 	for (size_t i = 0; i < __arraycount(zt); i++)
200 		ztest1(zt[i].name, fmt, zt[i].offs);
201 }
202 
203 ATF_TC(common);
204 
205 ATF_TC_HEAD(common, tc)
206 {
207 
208 	atf_tc_set_md_var(tc, "descr", "Checks strptime(3): various checks");
209 }
210 
211 ATF_TC_BODY(common, tc)
212 {
213 
214 	h_pass("Tue Jan 20 23:27:46 1998", "%a %b %d %T %Y",
215 		24, 46, 27, 23, 20, 0, 98, 2, 19);
216 	h_pass("Tue Jan 20 23:27:46 1998", "%a %b %d %H:%M:%S %Y",
217 		24, 46, 27, 23, 20, 0, 98, 2, 19);
218 	h_pass("Tue Jan 20 23:27:46 1998", "%c",
219 		24, 46, 27, 23, 20, 0, 98, 2, 19);
220 	h_pass("Fri Mar  4 20:05:34 2005", "%a %b %e %H:%M:%S %Y",
221 		24, 34, 5, 20, 4, 2, 105, 5, 62);
222 	h_pass("5\t3  4 8pm:05:34 2005", "%w%n%m%t%d%n%k%p:%M:%S %Y",
223 		21, 34, 5, 20, 4, 2, 105, 5, 62);
224 	h_pass("Fri Mar  4 20:05:34 2005", "%c",
225 		24, 34, 5, 20, 4, 2, 105, 5, 62);
226 }
227 
228 ATF_TC(day);
229 
230 ATF_TC_HEAD(day, tc)
231 {
232 
233 	atf_tc_set_md_var(tc, "descr",
234 			  "Checks strptime(3) day name conversions [aA]");
235 }
236 
237 ATF_TC_BODY(day, tc)
238 {
239 
240 	h_pass("Sun", "%a", 3, -1, -1, -1, -1, -1, -1, 0, -1);
241 	h_pass("Sunday", "%a", 6, -1, -1, -1, -1, -1, -1, 0, -1);
242 	h_pass("Mon", "%a", 3, -1, -1, -1, -1, -1, -1, 1, -1);
243 	h_pass("Monday", "%a", 6, -1, -1, -1, -1, -1, -1, 1, -1);
244 	h_pass("Tue", "%a", 3, -1, -1, -1, -1, -1, -1, 2, -1);
245 	h_pass("Tuesday", "%a", 7, -1, -1, -1, -1, -1, -1, 2, -1);
246 	h_pass("Wed", "%a", 3, -1, -1, -1, -1, -1, -1, 3, -1);
247 	h_pass("Wednesday", "%a", 9, -1, -1, -1, -1, -1, -1, 3, -1);
248 	h_pass("Thu", "%a", 3, -1, -1, -1, -1, -1, -1, 4, -1);
249 	h_pass("Thursday", "%a", 8, -1, -1, -1, -1, -1, -1, 4, -1);
250 	h_pass("Fri", "%a", 3, -1, -1, -1, -1, -1, -1, 5, -1);
251 	h_pass("Friday", "%a", 6, -1, -1, -1, -1, -1, -1, 5, -1);
252 	h_pass("Sat", "%a", 3, -1, -1, -1, -1, -1, -1, 6, -1);
253 	h_pass("Saturday", "%a", 8, -1, -1, -1, -1, -1, -1, 6, -1);
254 	h_pass("Saturn", "%a", 3, -1, -1, -1, -1, -1, -1, 6, -1);
255 	h_fail("Moon", "%a");
256 	h_pass("Sun", "%A", 3, -1, -1, -1, -1, -1, -1, 0, -1);
257 	h_pass("Sunday", "%A", 6, -1, -1, -1, -1, -1, -1, 0, -1);
258 	h_pass("Mon", "%A", 3, -1, -1, -1, -1, -1, -1, 1, -1);
259 	h_pass("Monday", "%A", 6, -1, -1, -1, -1, -1, -1, 1, -1);
260 	h_pass("Tue", "%A", 3, -1, -1, -1, -1, -1, -1, 2, -1);
261 	h_pass("Tuesday", "%A", 7, -1, -1, -1, -1, -1, -1, 2, -1);
262 	h_pass("Wed", "%A", 3, -1, -1, -1, -1, -1, -1, 3, -1);
263 	h_pass("Wednesday", "%A", 9, -1, -1, -1, -1, -1, -1, 3, -1);
264 	h_pass("Thu", "%A", 3, -1, -1, -1, -1, -1, -1, 4, -1);
265 	h_pass("Thursday", "%A", 8, -1, -1, -1, -1, -1, -1, 4, -1);
266 	h_pass("Fri", "%A", 3, -1, -1, -1, -1, -1, -1, 5, -1);
267 	h_pass("Friday", "%A", 6, -1, -1, -1, -1, -1, -1, 5, -1);
268 	h_pass("Sat", "%A", 3, -1, -1, -1, -1, -1, -1, 6, -1);
269 	h_pass("Saturday", "%A", 8, -1, -1, -1, -1, -1, -1, 6, -1);
270 	h_pass("Saturn", "%A", 3, -1, -1, -1, -1, -1, -1, 6, -1);
271 	h_fail("Moon", "%A");
272 
273 	h_pass("mon", "%a", 3, -1, -1, -1, -1, -1, -1, 1, -1);
274 	h_pass("tueSDay", "%A", 7, -1, -1, -1, -1, -1, -1, 2, -1);
275 	h_pass("sunday", "%A", 6, -1, -1, -1, -1, -1, -1, 0, -1);
276 	h_fail("sunday", "%EA");
277 	h_pass("SaturDay", "%A", 8, -1, -1, -1, -1, -1, -1, 6, -1);
278 	h_fail("SaturDay", "%OA");
279 }
280 
281 ATF_TC(hour);
282 
283 ATF_TC_HEAD(hour, tc)
284 {
285 
286 	atf_tc_set_md_var(tc, "descr",
287 			  "Checks strptime(3) hour conversions [IH]");
288 }
289 
290 ATF_TC_BODY(hour, tc)
291 {
292 
293 	h_fail("00", "%I");
294 	h_fail("13", "%I");
295 
296 	h_pass("00", "%H", 2, -1, -1, 0, -1, -1, -1, -1, -1);
297 	h_pass("12", "%H", 2, -1, -1, 12, -1, -1, -1, -1, -1);
298 	h_pass("23", "%H", 2, -1, -1, 23, -1, -1, -1, -1, -1);
299 	h_fail("24", "%H");
300 }
301 
302 
303 ATF_TC(month);
304 
305 ATF_TC_HEAD(month, tc)
306 {
307 
308 	atf_tc_set_md_var(tc, "descr",
309 			  "Checks strptime(3) month name conversions [bB]");
310 }
311 
312 ATF_TC_BODY(month, tc)
313 {
314 
315 	h_pass("Jan", "%b", 3, -1, -1, -1, -1, 0, -1, -1, -1);
316 	h_pass("January", "%b", 7, -1, -1, -1, -1, 0, -1, -1, -1);
317 	h_pass("Feb", "%b", 3, -1, -1, -1, -1, 1, -1, -1, -1);
318 	h_pass("February", "%b", 8, -1, -1, -1, -1, 1, -1, -1, -1);
319 	h_pass("Mar", "%b", 3, -1, -1, -1, -1, 2, -1, -1, -1);
320 	h_pass("March", "%b", 5, -1, -1, -1, -1, 2, -1, -1, -1);
321 	h_pass("Apr", "%b", 3, -1, -1, -1, -1, 3, -1, -1, -1);
322 	h_pass("April", "%b", 5, -1, -1, -1, -1, 3, -1, -1, -1);
323 	h_pass("May", "%b", 3, -1, -1, -1, -1, 4, -1, -1, -1);
324 	h_pass("Jun", "%b", 3, -1, -1, -1, -1, 5, -1, -1, -1);
325 	h_pass("June", "%b", 4, -1, -1, -1, -1, 5, -1, -1, -1);
326 	h_pass("Jul", "%b", 3, -1, -1, -1, -1, 6, -1, -1, -1);
327 	h_pass("July", "%b", 4, -1, -1, -1, -1, 6, -1, -1, -1);
328 	h_pass("Aug", "%b", 3, -1, -1, -1, -1, 7, -1, -1, -1);
329 	h_pass("August", "%b", 6, -1, -1, -1, -1, 7, -1, -1, -1);
330 	h_pass("Sep", "%b", 3, -1, -1, -1, -1, 8, -1, -1, -1);
331 	h_pass("September", "%b", 9, -1, -1, -1, -1, 8, -1, -1, -1);
332 	h_pass("Oct", "%b", 3, -1, -1, -1, -1, 9, -1, -1, -1);
333 	h_pass("October", "%b", 7, -1, -1, -1, -1, 9, -1, -1, -1);
334 	h_pass("Nov", "%b", 3, -1, -1, -1, -1, 10, -1, -1, -1);
335 	h_pass("November", "%b", 8, -1, -1, -1, -1, 10, -1, -1, -1);
336 	h_pass("Dec", "%b", 3, -1, -1, -1, -1, 11, -1, -1, -1);
337 	h_pass("December", "%b", 8, -1, -1, -1, -1, 11, -1, -1, -1);
338 	h_pass("Mayor", "%b", 3, -1, -1, -1, -1, 4, -1, -1, -1);
339 	h_pass("Mars", "%b", 3, -1, -1, -1, -1, 2, -1, -1, -1);
340 	h_fail("Rover", "%b");
341 	h_pass("Jan", "%B", 3, -1, -1, -1, -1, 0, -1, -1, -1);
342 	h_pass("January", "%B", 7, -1, -1, -1, -1, 0, -1, -1, -1);
343 	h_pass("Feb", "%B", 3, -1, -1, -1, -1, 1, -1, -1, -1);
344 	h_pass("February", "%B", 8, -1, -1, -1, -1, 1, -1, -1, -1);
345 	h_pass("Mar", "%B", 3, -1, -1, -1, -1, 2, -1, -1, -1);
346 	h_pass("March", "%B", 5, -1, -1, -1, -1, 2, -1, -1, -1);
347 	h_pass("Apr", "%B", 3, -1, -1, -1, -1, 3, -1, -1, -1);
348 	h_pass("April", "%B", 5, -1, -1, -1, -1, 3, -1, -1, -1);
349 	h_pass("May", "%B", 3, -1, -1, -1, -1, 4, -1, -1, -1);
350 	h_pass("Jun", "%B", 3, -1, -1, -1, -1, 5, -1, -1, -1);
351 	h_pass("June", "%B", 4, -1, -1, -1, -1, 5, -1, -1, -1);
352 	h_pass("Jul", "%B", 3, -1, -1, -1, -1, 6, -1, -1, -1);
353 	h_pass("July", "%B", 4, -1, -1, -1, -1, 6, -1, -1, -1);
354 	h_pass("Aug", "%B", 3, -1, -1, -1, -1, 7, -1, -1, -1);
355 	h_pass("August", "%B", 6, -1, -1, -1, -1, 7, -1, -1, -1);
356 	h_pass("Sep", "%B", 3, -1, -1, -1, -1, 8, -1, -1, -1);
357 	h_pass("September", "%B", 9, -1, -1, -1, -1, 8, -1, -1, -1);
358 	h_pass("Oct", "%B", 3, -1, -1, -1, -1, 9, -1, -1, -1);
359 	h_pass("October", "%B", 7, -1, -1, -1, -1, 9, -1, -1, -1);
360 	h_pass("Nov", "%B", 3, -1, -1, -1, -1, 10, -1, -1, -1);
361 	h_pass("November", "%B", 8, -1, -1, -1, -1, 10, -1, -1, -1);
362 	h_pass("Dec", "%B", 3, -1, -1, -1, -1, 11, -1, -1, -1);
363 	h_pass("December", "%B", 8, -1, -1, -1, -1, 11, -1, -1, -1);
364 	h_pass("Mayor", "%B", 3, -1, -1, -1, -1, 4, -1, -1, -1);
365 	h_pass("Mars", "%B", 3, -1, -1, -1, -1, 2, -1, -1, -1);
366 	h_fail("Rover", "%B");
367 
368 	h_pass("september", "%b", 9, -1, -1, -1, -1, 8, -1, -1, -1);
369 	h_pass("septembe", "%B", 3, -1, -1, -1, -1, 8, -1, -1, -1);
370 }
371 
372 ATF_TC(seconds);
373 
374 ATF_TC_HEAD(seconds, tc)
375 {
376 
377 	atf_tc_set_md_var(tc, "descr",
378 			  "Checks strptime(3) seconds conversions [S]");
379 }
380 
381 ATF_TC_BODY(seconds, tc)
382 {
383 
384 	h_pass("0", "%S", 1, 0, -1, -1, -1, -1, -1, -1, -1);
385 	h_pass("59", "%S", 2, 59, -1, -1, -1, -1, -1, -1, -1);
386 	h_pass("60", "%S", 2, 60, -1, -1, -1, -1, -1, -1, -1);
387 	h_pass("61", "%S", 2, 61, -1, -1, -1, -1, -1, -1, -1);
388 	h_fail("62", "%S");
389 }
390 
391 ATF_TC(year);
392 
393 ATF_TC_HEAD(year, tc)
394 {
395 
396 	atf_tc_set_md_var(tc, "descr",
397 			  "Checks strptime(3) century/year conversions [CyY]");
398 }
399 
400 ATF_TC_BODY(year, tc)
401 {
402 
403 	h_pass("x20y", "x%Cy", 4, -1, -1, -1, -1, -1, 100, -1, -1);
404 	h_pass("x84y", "x%yy", 4, -1, -1, -1, -1, -1, 84, -1, -1);
405 	h_pass("x2084y", "x%C%yy", 6, -1, -1, -1, -1, -1, 184, -1, -1);
406 	h_pass("x8420y", "x%y%Cy", 6, -1, -1, -1, -1, -1, 184, -1, -1);
407 	h_pass("%20845", "%%%C%y5", 6, -1, -1, -1, -1, -1, 184, -1, -1);
408 	h_fail("%", "%E%");
409 
410 	h_pass("1980", "%Y", 4, -1, -1, -1, -1, -1, 80, -1, -1);
411 	h_pass("1980", "%EY", 4, -1, -1, -1, -1, -1, 80, -1, -1);
412 }
413 
414 ATF_TC(zone);
415 
416 ATF_TC_HEAD(zone, tc)
417 {
418 
419 	atf_tc_set_md_var(tc, "descr",
420 			  "Checks strptime(3) timezone conversion [z]");
421 }
422 
423 
424 ATF_TC_BODY(zone, tc)
425 {
426 	ztest("%z");
427 }
428 
429 ATF_TC(Zone);
430 
431 ATF_TC_HEAD(Zone, tc)
432 {
433 
434 	atf_tc_set_md_var(tc, "descr",
435 			  "Checks strptime(3) timezone conversion [Z]");
436 }
437 
438 
439 ATF_TC_BODY(Zone, tc)
440 {
441 	ztest("%Z");
442 }
443 
444 ATF_TP_ADD_TCS(tp)
445 {
446 
447 	ATF_TP_ADD_TC(tp, common);
448 	ATF_TP_ADD_TC(tp, day);
449 	ATF_TP_ADD_TC(tp, hour);
450 	ATF_TP_ADD_TC(tp, month);
451 	ATF_TP_ADD_TC(tp, seconds);
452 	ATF_TP_ADD_TC(tp, year);
453 	ATF_TP_ADD_TC(tp, zone);
454 	ATF_TP_ADD_TC(tp, Zone);
455 
456 	return atf_no_error();
457 }
458