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 * Locale test for the XPG4 version of wcsftime(), which takes a char *
19 * format; later standards use a wchar_t * format.
20 */
21
22 #define _XOPEN_SOURCE
23 #define _XOPEN_VERSION 4
24
25 #include <err.h>
26 #include <stdlib.h>
27 #include <wchar.h>
28 #include <locale.h>
29 #include <sys/sysmacros.h>
30 #include <sys/debug.h>
31 #include <stdbool.h>
32 #include <string.h>
33
34 #ifndef _XPG4
35 #error _XPG4 should be defined for this file
36 #endif
37
38 #ifdef _XPG5
39 #error _XPG5 should not be defined for this file
40 #endif
41
42 /*
43 * We're just testing that the desired locale reaches the underlying
44 * formatter so we only look at one attribute: the full month name.
45 */
46 static const struct test_locale {
47 const char *name;
48 const char *monthname;
49 } locales[] = {
50 { "C.UTF-8", "December" },
51 {"ja_JP.UTF-8", "12月", },
52 {"de_DE.UTF-8", "Dezember"},
53 {"en_US.UTF-8", "December" },
54 };
55
56 struct tm sample_tm = { .tm_mon = 11, .tm_wday = 1 };
57
58 #define WCSSIZE 100
59 #define CSIZE 200
60
61 /*
62 * Test that the correct decimal point is recognized.
63 * Use old version of wcsftime which takes a char * parameter.
64 */
65 static bool
test_locale(const char * name,const char * monthname)66 test_locale(const char *name, const char *monthname)
67 {
68 bool result_ok = true;
69 wchar_t wcs[WCSSIZE];
70 char cstring[CSIZE];
71
72 size_t len;
73
74 if (setlocale(LC_ALL, name) == NULL) {
75 err(EXIT_FAILURE, "INTERNAL TEST FAILURE: failed to "
76 "set locale %s", name);
77 }
78
79 len = wcsftime(wcs, WCSSIZE, "%B", &sample_tm);
80 if (len == (size_t)-1) {
81 warn("TEST FAILED: wcsftime_l returned -1");
82 result_ok = false;
83 }
84
85 if (wcstombs(cstring, wcs, CSIZE) == (size_t)-1) {
86 err(EXIT_FAILURE, "INTERNAL TEST FAILURE: failed to "
87 "convert wide char string back to multibyte string");
88 }
89
90 if (strcmp(cstring, monthname)) {
91 warn("TEST FAILED: Wrong month name for locale %s month %d: "
92 "got %s expected %s", name, sample_tm.tm_mon+1,
93 cstring, monthname);
94 result_ok = false;
95 }
96 return (result_ok);
97 }
98
99
100 int
main(void)101 main(void)
102 {
103 int ret = EXIT_SUCCESS;
104 size_t i;
105
106 for (i = 0; i < ARRAY_SIZE(locales); i++) {
107 if (!test_locale(locales[i].name, locales[i].monthname))
108 ret = EXIT_FAILURE;
109 }
110
111 if (ret == EXIT_SUCCESS) {
112 (void) printf("All tests completed successfully\n");
113 }
114
115 return (ret);
116 }
117