1/*-
2 * Copyright (c) 2002 Tim J. Robbins
3 * All rights reserved.
4 *
5 * Copyright (c) 2013 Ed Schouten <ed@FreeBSD.org>
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29/*
30 * Test program for c16rtomb() as specified by ISO/IEC 9899:2011.
31 */
32
33#include <sys/cdefs.h>
34__FBSDID("$FreeBSD$");
35
36#include <errno.h>
37#include <limits.h>
38#include <locale.h>
39#include <stdio.h>
40#include <string.h>
41#include <uchar.h>
42
43#include <atf-c.h>
44
45static void
46require_lc_ctype(const char *locale_name)
47{
48	char *lc_ctype_set;
49
50	lc_ctype_set = setlocale(LC_CTYPE, locale_name);
51	if (lc_ctype_set == NULL)
52		atf_tc_fail("setlocale(LC_CTYPE, \"%s\") failed; errno=%d",
53		    locale_name, errno);
54
55	ATF_REQUIRE(strcmp(lc_ctype_set, locale_name) == 0);
56}
57
58static mbstate_t s;
59static char buf[MB_LEN_MAX + 1];
60
61ATF_TC_WITHOUT_HEAD(c16rtomb_c_locale_test);
62ATF_TC_BODY(c16rtomb_c_locale_test, tc)
63{
64
65	require_lc_ctype("C");
66
67	/*
68	 * If the buffer argument is NULL, c16 is implicitly 0,
69	 * c16rtomb() resets its internal state.
70	 */
71	ATF_REQUIRE(c16rtomb(NULL, L'\0', NULL) == 1);
72	ATF_REQUIRE(c16rtomb(NULL, 0xdc00, NULL) == 1);
73
74	/* Null wide character. */
75	memset(&s, 0, sizeof(s));
76	memset(buf, 0xcc, sizeof(buf));
77	ATF_REQUIRE(c16rtomb(buf, 0, &s) == 1);
78	ATF_REQUIRE((unsigned char)buf[0] == 0 && (unsigned char)buf[1] == 0xcc);
79
80	/* Latin letter A, internal state. */
81	ATF_REQUIRE(c16rtomb(NULL, L'\0', NULL) == 1);
82	ATF_REQUIRE(c16rtomb(NULL, L'A', NULL) == 1);
83
84	/* Latin letter A. */
85	memset(&s, 0, sizeof(s));
86	memset(buf, 0xcc, sizeof(buf));
87	ATF_REQUIRE(c16rtomb(buf, L'A', &s) == 1);
88	ATF_REQUIRE((unsigned char)buf[0] == 'A' && (unsigned char)buf[1] == 0xcc);
89
90	/* Unicode character 'Pile of poo'. */
91	memset(&s, 0, sizeof(s));
92	memset(buf, 0xcc, sizeof(buf));
93	ATF_REQUIRE(c16rtomb(buf, 0xd83d, &s) == 0);
94	ATF_REQUIRE(c16rtomb(buf, 0xdca9, &s) == (size_t)-1);
95	ATF_REQUIRE(errno == EILSEQ);
96	ATF_REQUIRE((unsigned char)buf[0] == 0xcc);
97}
98
99ATF_TC_WITHOUT_HEAD(c16rtomb_iso_8859_1_test);
100ATF_TC_BODY(c16rtomb_iso_8859_1_test, tc)
101{
102
103	require_lc_ctype("en_US.ISO8859-1");
104
105	/* Unicode character 'Euro sign'. */
106	memset(&s, 0, sizeof(s));
107	memset(buf, 0xcc, sizeof(buf));
108	ATF_REQUIRE(c16rtomb(buf, 0x20ac, &s) == (size_t)-1);
109	ATF_REQUIRE(errno == EILSEQ);
110	ATF_REQUIRE((unsigned char)buf[0] == 0xcc);
111}
112
113ATF_TC_WITHOUT_HEAD(c16rtomb_iso_8859_15_test);
114ATF_TC_BODY(c16rtomb_iso_8859_15_test, tc)
115{
116
117	require_lc_ctype("en_US.ISO8859-15");
118
119	/* Unicode character 'Euro sign'. */
120	memset(&s, 0, sizeof(s));
121	memset(buf, 0xcc, sizeof(buf));
122	ATF_REQUIRE(c16rtomb(buf, 0x20ac, &s) == 1);
123	ATF_REQUIRE((unsigned char)buf[0] == 0xa4 && (unsigned char)buf[1] == 0xcc);
124}
125
126ATF_TC_WITHOUT_HEAD(c16rtomb_utf_8_test);
127ATF_TC_BODY(c16rtomb_utf_8_test, tc)
128{
129
130	require_lc_ctype("en_US.UTF-8");
131
132	/* Unicode character 'Pile of poo'. */
133	memset(&s, 0, sizeof(s));
134	memset(buf, 0xcc, sizeof(buf));
135	ATF_REQUIRE(c16rtomb(buf, 0xd83d, &s) == 0);
136	ATF_REQUIRE(c16rtomb(buf, 0xdca9, &s) == 4);
137	ATF_REQUIRE((unsigned char)buf[0] == 0xf0 && (unsigned char)buf[1] == 0x9f &&
138	    (unsigned char)buf[2] == 0x92 && (unsigned char)buf[3] == 0xa9 &&
139	    (unsigned char)buf[4] == 0xcc);
140
141	/* Invalid code; 'Pile of poo' without the trail surrogate. */
142	memset(&s, 0, sizeof(s));
143	memset(buf, 0xcc, sizeof(buf));
144	ATF_REQUIRE(c16rtomb(buf, 0xd83d, &s) == 0);
145	ATF_REQUIRE(c16rtomb(buf, L'A', &s) == (size_t)-1);
146	ATF_REQUIRE(errno == EILSEQ);
147	ATF_REQUIRE((unsigned char)buf[0] == 0xcc);
148
149	/* Invalid code; 'Pile of poo' without the lead surrogate. */
150	memset(&s, 0, sizeof(s));
151	memset(buf, 0xcc, sizeof(buf));
152	ATF_REQUIRE(c16rtomb(buf, 0xdca9, &s) == (size_t)-1);
153	ATF_REQUIRE(errno == EILSEQ);
154	ATF_REQUIRE((unsigned char)buf[0] == 0xcc);
155}
156
157ATF_TP_ADD_TCS(tp)
158{
159
160	ATF_TP_ADD_TC(tp, c16rtomb_c_locale_test);
161	ATF_TP_ADD_TC(tp, c16rtomb_iso_8859_1_test);
162	ATF_TP_ADD_TC(tp, c16rtomb_iso_8859_15_test);
163	ATF_TP_ADD_TC(tp, c16rtomb_utf_8_test);
164
165	return (atf_no_error());
166}
167