1 /*
2 * This file and its contents are supplied under the terms of the
3 * Common Development and Distribution License ("CDDL"), version 1.0.
4 * You may only use this file in accordance with the terms of version
5 * 1.0 of the CDDL.
6 *
7 * A full copy of the text of the CDDL should have accompanied this
8 * source. A copy of the CDDL is also available via the Internet at
9 * http://www.illumos.org/license/CDDL.
10 */
11
12 /*
13 * Copyright 2025 Oxide Computer Company
14 * Copyright 2025 Bill Sommerfeld
15 */
16
17 /*
18 * Tests for modern wcsftime (XPG5 and later) and wcsftime_l. The libc tests
19 * depend on locale/ar, locale/de, locale/en, and locale/ja. We limit
20 * ourselves to these locales, plus C.UTF-8.
21 */
22
23 #include <err.h>
24 #include <stdlib.h>
25 #include <xlocale.h>
26 #include <locale.h>
27 #include <sys/sysmacros.h>
28 #include <sys/debug.h>
29 #include <stdbool.h>
30 #include <string.h>
31
32
33 /*
34 * We're just testing that the desired locale reaches the underlying
35 * formatter so we only look at one attribute: the full month name.
36 */
37 static const struct test_locale {
38 const char *name;
39 const char *monthname;
40 } locales[] = {
41 { "C.UTF-8", "December"},
42 {"ja_JP.UTF-8", "12月"},
43 {"de_DE.UTF-8", "Dezember"},
44 {"en_US.UTF-8", "December"},
45 };
46
47 struct tm sample_tm = { .tm_mon = 11 };
48
49 #define WCSSIZE 100
50 #define CSIZE 200
51
52 /*
53 * Test that the correct decimal point is recognized.
54 */
55 bool
test_locale(const char * name,const char * monthname)56 test_locale(const char *name, const char *monthname)
57 {
58 bool result_ok = true;
59 wchar_t wfmt[WCSSIZE];
60 wchar_t wcs[WCSSIZE];
61 char cstring[CSIZE];
62
63 size_t len;
64
65 locale_t loc = newlocale(LC_ALL_MASK, name, NULL);
66
67 if (loc == NULL) {
68 err(EXIT_FAILURE, "INTERNAL TEST FAILURE: failed to "
69 "construct locale %s", name);
70 }
71
72 if (mbstowcs_l(wfmt, "%B", WCSSIZE, loc) == (size_t)-1) {
73 err(EXIT_FAILURE, "INTERNAL TEST FAILURE: failed to "
74 "construct wide char format string");
75 }
76
77 len = wcsftime_l(wcs, WCSSIZE, wfmt, &sample_tm, loc);
78 if (len == (size_t)-1) {
79 warn("wcsftime_l returned -1");
80 result_ok = false;
81 }
82
83 if (wcstombs_l(cstring, wcs, CSIZE, loc) == (size_t)-1) {
84 err(EXIT_FAILURE, "INTERNAL TEST FAILURE: failed to "
85 "convert wide char string back to multibyte string");
86 }
87
88 if (strcmp(cstring, monthname)) {
89 warn("Wrong monthname for locale %s month %d: "
90 "got %s expected %s", name, sample_tm.tm_mon+1,
91 cstring, monthname);
92 result_ok = false;
93 }
94
95 (void) memset(wcs, 0, sizeof (wcs));
96 (void) memset(cstring, 0, sizeof (cstring));
97
98 if (uselocale(loc) == NULL) {
99 err(EXIT_FAILURE, "INTERNAL TEST FAILURE: failed to "
100 "set locale %s", name);
101 }
102
103 len = wcsftime(wcs, WCSSIZE, wfmt, &sample_tm);
104 if (len == (size_t)-1) {
105 warn("wcsftime_l returned -1");
106 result_ok = false;
107 }
108
109 if (wcstombs(cstring, wcs, CSIZE) == (size_t)-1) {
110 err(EXIT_FAILURE, "INTERNAL TEST FAILURE: failed to "
111 "convert wide char string back to multibyte string");
112 }
113
114 if (strcmp(cstring, monthname)) {
115 warn("Wrong monthname for locale %s month %d: "
116 "got %s expected %s", name, sample_tm.tm_mon+1,
117 cstring, monthname);
118 result_ok = false;
119 }
120
121 return (result_ok);
122 }
123
124
125 int
main(void)126 main(void)
127 {
128 int ret = EXIT_SUCCESS;
129
130 for (size_t i = 0; i < ARRAY_SIZE(locales); i++) {
131 if (!test_locale(locales[i].name, locales[i].monthname))
132 ret = EXIT_FAILURE;
133 }
134
135 if (ret == EXIT_SUCCESS) {
136 (void) printf("All tests completed successfully\n");
137 }
138
139 return (ret);
140 }
141