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 #include <errno.h> 37 #include <limits.h> 38 #include <locale.h> 39 #include <stdio.h> 40 #include <stdlib.h> 41 #include <string.h> 42 #include <wchar.h> 43 44 #include <atf-c.h> 45 46 ATF_TC_WITHOUT_HEAD(mbrtowc_test); 47 ATF_TC_BODY(mbrtowc_test, tc) 48 { 49 mbstate_t s; 50 wchar_t wc; 51 char buf[MB_LEN_MAX + 1]; 52 53 /* 54 * C/POSIX locale. 55 */ 56 57 ATF_REQUIRE(MB_CUR_MAX == 1); 58 59 /* Null wide character, internal state. */ 60 memset(buf, 0xcc, sizeof(buf)); 61 buf[0] = 0; 62 ATF_REQUIRE(mbrtowc(&wc, buf, 1, NULL) == 0); 63 ATF_REQUIRE(wc == 0); 64 65 /* Null wide character. */ 66 memset(&s, 0, sizeof(s)); 67 ATF_REQUIRE(mbrtowc(&wc, buf, 1, &s) == 0); 68 ATF_REQUIRE(wc == 0); 69 70 /* Latin letter A, internal state. */ 71 ATF_REQUIRE(mbrtowc(NULL, 0, 0, NULL) == 0); 72 buf[0] = 'A'; 73 ATF_REQUIRE(mbrtowc(&wc, buf, 1, NULL) == 1); 74 ATF_REQUIRE(wc == L'A'); 75 76 /* Latin letter A. */ 77 memset(&s, 0, sizeof(s)); 78 ATF_REQUIRE(mbrtowc(&wc, buf, 1, &s) == 1); 79 ATF_REQUIRE(wc == L'A'); 80 81 /* Incomplete character sequence. */ 82 wc = L'z'; 83 memset(&s, 0, sizeof(s)); 84 ATF_REQUIRE(mbrtowc(&wc, buf, 0, &s) == (size_t)-2); 85 ATF_REQUIRE(wc == L'z'); 86 87 /* Check that mbrtowc() doesn't access the buffer when n == 0. */ 88 wc = L'z'; 89 memset(&s, 0, sizeof(s)); 90 buf[0] = '\0'; 91 ATF_REQUIRE(mbrtowc(&wc, buf, 0, &s) == (size_t)-2); 92 ATF_REQUIRE(wc == L'z'); 93 94 /* 95 * Japanese (EUC) locale. 96 */ 97 98 ATF_REQUIRE(strcmp(setlocale(LC_CTYPE, "ja_JP.eucJP"), "ja_JP.eucJP") == 0); 99 ATF_REQUIRE(MB_CUR_MAX > 1); 100 101 /* Null wide character, internal state. */ 102 ATF_REQUIRE(mbrtowc(NULL, 0, 0, NULL) == 0); 103 memset(buf, 0xcc, sizeof(buf)); 104 buf[0] = 0; 105 ATF_REQUIRE(mbrtowc(&wc, buf, 1, NULL) == 0); 106 ATF_REQUIRE(wc == 0); 107 108 /* Null wide character. */ 109 memset(&s, 0, sizeof(s)); 110 ATF_REQUIRE(mbrtowc(&wc, buf, 1, &s) == 0); 111 ATF_REQUIRE(wc == 0); 112 113 /* Latin letter A, internal state. */ 114 ATF_REQUIRE(mbrtowc(NULL, 0, 0, NULL) == 0); 115 buf[0] = 'A'; 116 ATF_REQUIRE(mbrtowc(&wc, buf, 1, NULL) == 1); 117 ATF_REQUIRE(wc == L'A'); 118 119 /* Latin letter A. */ 120 memset(&s, 0, sizeof(s)); 121 ATF_REQUIRE(mbrtowc(&wc, buf, 1, &s) == 1); 122 ATF_REQUIRE(wc == L'A'); 123 124 /* Incomplete character sequence (zero length). */ 125 wc = L'z'; 126 memset(&s, 0, sizeof(s)); 127 ATF_REQUIRE(mbrtowc(&wc, buf, 0, &s) == (size_t)-2); 128 ATF_REQUIRE(wc == L'z'); 129 130 /* Incomplete character sequence (truncated double-byte). */ 131 memset(buf, 0xcc, sizeof(buf)); 132 buf[0] = 0xa3; 133 buf[1] = 0x00; 134 memset(&s, 0, sizeof(s)); 135 wc = 0; 136 ATF_REQUIRE(mbrtowc(&wc, buf, 1, &s) == (size_t)-2); 137 138 /* Same as above, but complete. */ 139 buf[1] = 0xc1; 140 memset(&s, 0, sizeof(s)); 141 wc = 0; 142 ATF_REQUIRE(mbrtowc(&wc, buf, 2, &s) == 2); 143 ATF_REQUIRE(wc == 0xa3c1); 144 145 /* Test restarting behaviour. */ 146 memset(buf, 0xcc, sizeof(buf)); 147 buf[0] = 0xa3; 148 memset(&s, 0, sizeof(s)); 149 wc = 0; 150 ATF_REQUIRE(mbrtowc(&wc, buf, 1, &s) == (size_t)-2); 151 ATF_REQUIRE(wc == 0); 152 buf[0] = 0xc1; 153 ATF_REQUIRE(mbrtowc(&wc, buf, 1, &s) == 1); 154 ATF_REQUIRE(wc == 0xa3c1); 155 } 156 157 ATF_TP_ADD_TCS(tp) 158 { 159 160 ATF_TP_ADD_TC(tp, mbrtowc_test); 161 162 return (atf_no_error()); 163 } 164