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 <errno.h>
36 #include <limits.h>
37 #include <locale.h>
38 #include <stdio.h>
39 #include <stdlib.h>
40 #include <string.h>
41 #include <wchar.h>
42
43 #include <atf-c.h>
44
45 ATF_TC_WITHOUT_HEAD(wcstombs_test);
ATF_TC_BODY(wcstombs_test,tc)46 ATF_TC_BODY(wcstombs_test, tc)
47 {
48 wchar_t srcbuf[128];
49 char dstbuf[128];
50
51 /* C/POSIX locale. */
52
53 /* Simple null terminated string. */
54 wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
55 wcscpy(srcbuf, L"hello");
56 memset(dstbuf, 0xcc, sizeof(dstbuf));
57 ATF_REQUIRE(wcstombs(dstbuf, srcbuf, sizeof(dstbuf)) == 5);
58 ATF_REQUIRE(strcmp(dstbuf, "hello") == 0);
59 ATF_REQUIRE((unsigned char)dstbuf[6] == 0xcc);
60
61 /* Not enough space in destination buffer. */
62 wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
63 wcscpy(srcbuf, L"hello");
64 memset(dstbuf, 0xcc, sizeof(dstbuf));
65 ATF_REQUIRE(wcstombs(dstbuf, srcbuf, 4) == 4);
66 ATF_REQUIRE(memcmp(dstbuf, "hell", 4) == 0);
67 ATF_REQUIRE((unsigned char)dstbuf[5] == 0xcc);
68
69 /* Null terminated string, internal dest. buffer */
70 wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
71 wcscpy(srcbuf, L"hello");
72 ATF_REQUIRE(wcstombs(NULL, srcbuf, sizeof(dstbuf)) == 5);
73
74 /* Null terminated string, internal state. */
75 wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
76 wcscpy(srcbuf, L"hello");
77 memset(dstbuf, 0xcc, sizeof(dstbuf));
78 ATF_REQUIRE(wcstombs(dstbuf, srcbuf, sizeof(dstbuf)) == 5);
79 ATF_REQUIRE(strcmp(dstbuf, "hello") == 0);
80 ATF_REQUIRE((unsigned char)dstbuf[6] == 0xcc);
81
82 /* Null terminated string, internal state, internal dest. buffer. */
83 wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
84 wcscpy(srcbuf, L"hello");
85 ATF_REQUIRE(wcstombs(NULL, srcbuf, 0) == 5);
86
87 /* Empty source buffer. */
88 wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
89 srcbuf[0] = L'\0';
90 memset(dstbuf, 0xcc, sizeof(dstbuf));
91 ATF_REQUIRE(wcstombs(dstbuf, srcbuf, sizeof(dstbuf)) == 0);
92 ATF_REQUIRE(dstbuf[0] == L'\0');
93
94 /* Zero length destination buffer. */
95 wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
96 wcscpy(srcbuf, L"hello");
97 memset(dstbuf, 0xcc, sizeof(dstbuf));
98 ATF_REQUIRE(wcstombs(dstbuf, srcbuf, 0) == 0);
99 ATF_REQUIRE((unsigned char)dstbuf[0] == 0xcc);
100
101 /*
102 * Japanese (EUC) locale.
103 */
104
105 ATF_REQUIRE(strcmp(setlocale(LC_CTYPE, "ja_JP.eucJP"), "ja_JP.eucJP") == 0);
106 ATF_REQUIRE(MB_CUR_MAX > 1);
107
108 wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
109 srcbuf[0] = 0xA3C1;
110 srcbuf[1] = 0x0020;
111 srcbuf[2] = 0x0042;
112 srcbuf[3] = 0x0020;
113 srcbuf[4] = 0xA3C3;
114 srcbuf[5] = 0x0000;
115 memset(dstbuf, 0xcc, sizeof(dstbuf));
116 ATF_REQUIRE(wcstombs(dstbuf, srcbuf, sizeof(dstbuf)) == 7);
117 ATF_REQUIRE(strcmp(dstbuf, "\xA3\xC1 B \xA3\xC3") == 0);
118 ATF_REQUIRE((unsigned char)dstbuf[8] == 0xcc);
119 }
120
ATF_TP_ADD_TCS(tp)121 ATF_TP_ADD_TCS(tp)
122 {
123
124 ATF_TP_ADD_TC(tp, wcstombs_test);
125
126 return (atf_no_error());
127 }
128