wcstombs_test.c revision 291178 
1/*-
2 * Copyright (c) 2002 Tim J. Robbins
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27/*
28 * Test program for wcstombs(), as specified by IEEE Std. 1003.1-2001 and
29 * ISO/IEC 9899:1999.
30 *
31 * The function is tested with both the "C" ("POSIX") LC_CTYPE setting and
32 * "ja_JP.eucJP". Other encodings are not tested.
33 */
34
35#include <sys/cdefs.h>
36__FBSDID("$FreeBSD: stable/10/lib/libc/tests/locale/wcstombs_test.c 291178 2015-11-23 08:31:41Z ngie $");
37
38#include <errno.h>
39#include <limits.h>
40#include <locale.h>
41#include <stdio.h>
42#include <stdlib.h>
43#include <string.h>
44#include <wchar.h>
45
46#include <atf-c.h>
47
48ATF_TC_WITHOUT_HEAD(wcstombs_test);
49ATF_TC_BODY(wcstombs_test, tc)
50{
51	wchar_t srcbuf[128];
52	char dstbuf[128];
53
54	/* C/POSIX locale. */
55
56	/* Simple null terminated string. */
57	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
58	wcscpy(srcbuf, L"hello");
59	memset(dstbuf, 0xcc, sizeof(dstbuf));
60	ATF_REQUIRE(wcstombs(dstbuf, srcbuf, sizeof(dstbuf)) == 5);
61	ATF_REQUIRE(strcmp(dstbuf, "hello") == 0);
62	ATF_REQUIRE((unsigned char)dstbuf[6] == 0xcc);
63
64	/* Not enough space in destination buffer. */
65	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
66	wcscpy(srcbuf, L"hello");
67	memset(dstbuf, 0xcc, sizeof(dstbuf));
68	ATF_REQUIRE(wcstombs(dstbuf, srcbuf, 4) == 4);
69	ATF_REQUIRE(memcmp(dstbuf, "hell", 4) == 0);
70	ATF_REQUIRE((unsigned char)dstbuf[5] == 0xcc);
71
72	/* Null terminated string, internal dest. buffer */
73	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
74	wcscpy(srcbuf, L"hello");
75	ATF_REQUIRE(wcstombs(NULL, srcbuf, sizeof(dstbuf)) == 5);
76
77	/* Null terminated string, internal state. */
78	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
79	wcscpy(srcbuf, L"hello");
80	memset(dstbuf, 0xcc, sizeof(dstbuf));
81	ATF_REQUIRE(wcstombs(dstbuf, srcbuf, sizeof(dstbuf)) == 5);
82	ATF_REQUIRE(strcmp(dstbuf, "hello") == 0);
83	ATF_REQUIRE((unsigned char)dstbuf[6] == 0xcc);
84
85	/* Null terminated string, internal state, internal dest. buffer. */
86	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
87	wcscpy(srcbuf, L"hello");
88	ATF_REQUIRE(wcstombs(NULL, srcbuf, 0) == 5);
89
90	/* Empty source buffer. */
91	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
92	srcbuf[0] = L'\0';
93	memset(dstbuf, 0xcc, sizeof(dstbuf));
94	ATF_REQUIRE(wcstombs(dstbuf, srcbuf, sizeof(dstbuf)) == 0);
95	ATF_REQUIRE(dstbuf[0] == L'\0');
96
97	/* Zero length destination buffer. */
98	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
99	wcscpy(srcbuf, L"hello");
100	memset(dstbuf, 0xcc, sizeof(dstbuf));
101	ATF_REQUIRE(wcstombs(dstbuf, srcbuf, 0) == 0);
102	ATF_REQUIRE((unsigned char)dstbuf[0] == 0xcc);
103
104	/*
105	 * Japanese (EUC) locale.
106	 */
107
108	ATF_REQUIRE(strcmp(setlocale(LC_CTYPE, "ja_JP.eucJP"), "ja_JP.eucJP") == 0);
109	ATF_REQUIRE(MB_CUR_MAX > 1);
110
111	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
112	srcbuf[0] = 0xA3C1;
113	srcbuf[1] = 0x0020;
114	srcbuf[2] = 0x0042;
115	srcbuf[3] = 0x0020;
116	srcbuf[4] = 0xA3C3;
117	srcbuf[5] = 0x0000;
118	memset(dstbuf, 0xcc, sizeof(dstbuf));
119	ATF_REQUIRE(wcstombs(dstbuf, srcbuf, sizeof(dstbuf)) == 7);
120	ATF_REQUIRE(strcmp(dstbuf, "\xA3\xC1 B \xA3\xC3") == 0);
121	ATF_REQUIRE((unsigned char)dstbuf[8] == 0xcc);
122}
123
124ATF_TP_ADD_TCS(tp)
125{
126
127	ATF_TP_ADD_TC(tp, wcstombs_test);
128
129	return (atf_no_error());
130}
131