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 mbrtowc(), 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("$FreeBSD$"); 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 48 ATF_TC_WITHOUT_HEAD(mbrtowc_test); 49 ATF_TC_BODY(mbrtowc_test, tc) 50 { 51 mbstate_t s; 52 wchar_t wc; 53 char buf[MB_LEN_MAX + 1]; 54 55 /* 56 * C/POSIX locale. 57 */ 58 59 ATF_REQUIRE(MB_CUR_MAX == 1); 60 61 /* Null wide character, internal state. */ 62 memset(buf, 0xcc, sizeof(buf)); 63 buf[0] = 0; 64 ATF_REQUIRE(mbrtowc(&wc, buf, 1, NULL) == 0); 65 ATF_REQUIRE(wc == 0); 66 67 /* Null wide character. */ 68 memset(&s, 0, sizeof(s)); 69 ATF_REQUIRE(mbrtowc(&wc, buf, 1, &s) == 0); 70 ATF_REQUIRE(wc == 0); 71 72 /* Latin letter A, internal state. */ 73 ATF_REQUIRE(mbrtowc(NULL, 0, 0, NULL) == 0); 74 buf[0] = 'A'; 75 ATF_REQUIRE(mbrtowc(&wc, buf, 1, NULL) == 1); 76 ATF_REQUIRE(wc == L'A'); 77 78 /* Latin letter A. */ 79 memset(&s, 0, sizeof(s)); 80 ATF_REQUIRE(mbrtowc(&wc, buf, 1, &s) == 1); 81 ATF_REQUIRE(wc == L'A'); 82 83 /* Incomplete character sequence. */ 84 wc = L'z'; 85 memset(&s, 0, sizeof(s)); 86 ATF_REQUIRE(mbrtowc(&wc, buf, 0, &s) == (size_t)-2); 87 ATF_REQUIRE(wc == L'z'); 88 89 /* Check that mbrtowc() doesn't access the buffer when n == 0. */ 90 wc = L'z'; 91 memset(&s, 0, sizeof(s)); 92 buf[0] = '\0'; 93 ATF_REQUIRE(mbrtowc(&wc, buf, 0, &s) == (size_t)-2); 94 ATF_REQUIRE(wc == L'z'); 95 96 /* 97 * Japanese (EUC) locale. 98 */ 99 100 ATF_REQUIRE(strcmp(setlocale(LC_CTYPE, "ja_JP.eucJP"), "ja_JP.eucJP") == 0); 101 ATF_REQUIRE(MB_CUR_MAX > 1); 102 103 /* Null wide character, internal state. */ 104 ATF_REQUIRE(mbrtowc(NULL, 0, 0, NULL) == 0); 105 memset(buf, 0xcc, sizeof(buf)); 106 buf[0] = 0; 107 ATF_REQUIRE(mbrtowc(&wc, buf, 1, NULL) == 0); 108 ATF_REQUIRE(wc == 0); 109 110 /* Null wide character. */ 111 memset(&s, 0, sizeof(s)); 112 ATF_REQUIRE(mbrtowc(&wc, buf, 1, &s) == 0); 113 ATF_REQUIRE(wc == 0); 114 115 /* Latin letter A, internal state. */ 116 ATF_REQUIRE(mbrtowc(NULL, 0, 0, NULL) == 0); 117 buf[0] = 'A'; 118 ATF_REQUIRE(mbrtowc(&wc, buf, 1, NULL) == 1); 119 ATF_REQUIRE(wc == L'A'); 120 121 /* Latin letter A. */ 122 memset(&s, 0, sizeof(s)); 123 ATF_REQUIRE(mbrtowc(&wc, buf, 1, &s) == 1); 124 ATF_REQUIRE(wc == L'A'); 125 126 /* Incomplete character sequence (zero length). */ 127 wc = L'z'; 128 memset(&s, 0, sizeof(s)); 129 ATF_REQUIRE(mbrtowc(&wc, buf, 0, &s) == (size_t)-2); 130 ATF_REQUIRE(wc == L'z'); 131 132 /* Incomplete character sequence (truncated double-byte). */ 133 memset(buf, 0xcc, sizeof(buf)); 134 buf[0] = 0xa3; 135 buf[1] = 0x00; 136 memset(&s, 0, sizeof(s)); 137 wc = 0; 138 ATF_REQUIRE(mbrtowc(&wc, buf, 1, &s) == (size_t)-2); 139 140 /* Same as above, but complete. */ 141 buf[1] = 0xc1; 142 memset(&s, 0, sizeof(s)); 143 wc = 0; 144 ATF_REQUIRE(mbrtowc(&wc, buf, 2, &s) == 2); 145 ATF_REQUIRE(wc == 0xa3c1); 146 147 /* Test restarting behaviour. */ 148 memset(buf, 0xcc, sizeof(buf)); 149 buf[0] = 0xa3; 150 memset(&s, 0, sizeof(s)); 151 wc = 0; 152 ATF_REQUIRE(mbrtowc(&wc, buf, 1, &s) == (size_t)-2); 153 ATF_REQUIRE(wc == 0); 154 buf[0] = 0xc1; 155 ATF_REQUIRE(mbrtowc(&wc, buf, 1, &s) == 1); 156 ATF_REQUIRE(wc == 0xa3c1); 157 } 158 159 ATF_TP_ADD_TCS(tp) 160 { 161 162 ATF_TP_ADD_TC(tp, mbrtowc_test); 163 164 return (atf_no_error()); 165 } 166