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 mblen(), 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(mblen_test); 47 ATF_TC_BODY(mblen_test, tc) 48 { 49 char buf[MB_LEN_MAX + 1]; 50 51 /* 52 * C/POSIX locale. 53 */ 54 55 ATF_REQUIRE(MB_CUR_MAX == 1); 56 57 /* No shift states in C locale. */ 58 ATF_REQUIRE(mblen(NULL, 0) == 0); 59 60 /* Null wide character. */ 61 memset(buf, 0xcc, sizeof(buf)); 62 buf[0] = '\0'; 63 ATF_REQUIRE(mblen(buf, 1) == 0); 64 65 /* Latin letter A. */ 66 buf[0] = 'A'; 67 ATF_REQUIRE(mblen(buf, 1) == 1); 68 69 /* Incomplete character sequence. */ 70 buf[0] = '\0'; 71 ATF_REQUIRE(mblen(buf, 0) == -1); 72 ATF_REQUIRE(mblen(NULL, 0) == 0); 73 74 /* 75 * Japanese (EUC) locale. 76 */ 77 78 ATF_REQUIRE(strcmp(setlocale(LC_CTYPE, "ja_JP.eucJP"), "ja_JP.eucJP") == 0); 79 ATF_REQUIRE(MB_CUR_MAX > 1); 80 81 /* No shift states in EUC. */ 82 ATF_REQUIRE(mblen(NULL, 0) == 0); 83 84 /* Null wide character. */ 85 memset(buf, 0xcc, sizeof(buf)); 86 buf[0] = '\0'; 87 ATF_REQUIRE(mblen(buf, 1) == 0); 88 89 /* Latin letter A. */ 90 buf[0] = 'A'; 91 ATF_REQUIRE(mblen(buf, 1) == 1); 92 93 /* Incomplete character sequence. */ 94 buf[0] = '\0'; 95 ATF_REQUIRE(mblen(buf, 0) == -1); 96 ATF_REQUIRE(mblen(NULL, 0) == 0); 97 98 /* Incomplete character sequence (truncated double-byte). */ 99 memset(buf, 0xcc, sizeof(buf)); 100 buf[0] = 0xa3; 101 buf[1] = 0x00; 102 ATF_REQUIRE(mblen(buf, 1) == -1); 103 ATF_REQUIRE(mblen(NULL, 0) == 0); 104 105 /* Same as above, but complete. */ 106 buf[1] = 0xc1; 107 ATF_REQUIRE(mblen(buf, 2) == 2); 108 } 109 110 ATF_TP_ADD_TCS(tp) 111 { 112 113 ATF_TP_ADD_TC(tp, mblen_test); 114 115 return (atf_no_error()); 116 } 117