1 /*- 2 * Copyright (c) 2002-2004 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 mbtowc(), as specified by IEEE Std. 1003.1-2001 and 29 * ISO/IEC 9899:1990. 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 <limits.h> 39 #include <locale.h> 40 #include <stdio.h> 41 #include <stdlib.h> 42 #include <string.h> 43 44 #include <atf-c.h> 45 46 ATF_TC_WITHOUT_HEAD(mbtowc_test); 47 ATF_TC_BODY(mbtowc_test, tc) 48 { 49 char buf[MB_LEN_MAX + 1]; 50 wchar_t wc; 51 52 /* C/POSIX locale. */ 53 54 ATF_REQUIRE(MB_CUR_MAX == 1); 55 56 /* No shift states in C locale. */ 57 ATF_REQUIRE(mbtowc(NULL, NULL, 0) == 0); 58 59 /* Null wide character. */ 60 wc = 0xcccc; 61 memset(buf, 0, sizeof(buf)); 62 ATF_REQUIRE(mbtowc(&wc, buf, 1) == 0); 63 ATF_REQUIRE(wc == 0); 64 65 /* Latin letter A. */ 66 buf[0] = 'A'; 67 ATF_REQUIRE(mbtowc(&wc, buf, 1) == 1); 68 ATF_REQUIRE(wc == L'A'); 69 70 /* Incomplete character sequence. */ 71 wc = L'z'; 72 buf[0] = '\0'; 73 ATF_REQUIRE(mbtowc(&wc, buf, 0) == -1); 74 ATF_REQUIRE(wc == L'z'); 75 ATF_REQUIRE(mbtowc(NULL, NULL, 0) == 0); 76 77 /* Japanese (EUC) locale. */ 78 79 ATF_REQUIRE(strcmp(setlocale(LC_CTYPE, "ja_JP.eucJP"), "ja_JP.eucJP") == 0); 80 ATF_REQUIRE(MB_CUR_MAX > 1); 81 82 /* Null wide character */ 83 memset(buf, 0xcc, sizeof(buf)); 84 buf[0] = 0; 85 wc = 0xcccc; 86 ATF_REQUIRE(mbtowc(&wc, buf, 1) == 0); 87 ATF_REQUIRE(wc == 0); 88 89 /* Latin letter A. */ 90 buf[0] = 'A'; 91 ATF_REQUIRE(mbtowc(&wc, buf, 1) == 1); 92 ATF_REQUIRE(wc == L'A'); 93 94 /* Incomplete character sequence (zero length). */ 95 wc = L'z'; 96 buf[0] = '\0'; 97 ATF_REQUIRE(mbtowc(&wc, buf, 0) == -1); 98 ATF_REQUIRE(wc == L'z'); 99 ATF_REQUIRE(mbtowc(NULL, NULL, 0) == 0); 100 101 /* Incomplete character sequence (truncated double-byte). */ 102 memset(buf, 0xcc, sizeof(buf)); 103 buf[0] = 0xa3; 104 buf[1] = 0x00; 105 wc = L'z'; 106 ATF_REQUIRE(mbtowc(&wc, buf, 1) == -1); 107 ATF_REQUIRE(wc == L'z'); 108 ATF_REQUIRE(mbtowc(NULL, NULL, 0) == 0); 109 110 /* Same as above, but complete. */ 111 buf[1] = 0xc1; 112 ATF_REQUIRE(mbtowc(&wc, buf, 2) == 2); 113 ATF_REQUIRE(wc == 0xa3c1); 114 } 115 116 ATF_TP_ADD_TCS(tp) 117 { 118 119 ATF_TP_ADD_TC(tp, mbtowc_test); 120 121 return (atf_no_error()); 122 } 123