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