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 <assert.h> 39#include <limits.h> 40#include <locale.h> 41#include <stdio.h> 42#include <stdlib.h> 43#include <string.h> 44 45int 46main(int argc, char *argv[]) 47{ 48 size_t len; 49 char buf[MB_LEN_MAX + 1]; 50 51 /* 52 * C/POSIX locale. 53 */ 54 55 printf("1..1\n"); 56 57 assert(MB_CUR_MAX == 1); 58 59 /* No shift states in C locale. */ 60 assert(mblen(NULL, 0) == 0); 61 62 /* Null wide character. */ 63 memset(buf, 0xcc, sizeof(buf)); 64 buf[0] = '\0'; 65 assert(mblen(buf, 1) == 0); 66 67 /* Latin letter A. */ 68 buf[0] = 'A'; 69 assert(mblen(buf, 1) == 1); 70 71 /* Incomplete character sequence. */ 72 buf[0] = '\0'; 73 assert(mblen(buf, 0) == -1); 74 assert(mblen(NULL, 0) == 0); 75 76 /* 77 * Japanese (EUC) locale. 78 */ 79 80 assert(strcmp(setlocale(LC_CTYPE, "ja_JP.eucJP"), "ja_JP.eucJP") == 0); 81 assert(MB_CUR_MAX > 1); 82 83 /* No shift states in EUC. */ 84 assert(mblen(NULL, 0) == 0); 85 86 /* Null wide character. */ 87 memset(buf, 0xcc, sizeof(buf)); 88 buf[0] = '\0'; 89 assert(mblen(buf, 1) == 0); 90 91 /* Latin letter A. */ 92 buf[0] = 'A'; 93 assert(mblen(buf, 1) == 1); 94 95 /* Incomplete character sequence. */ 96 buf[0] = '\0'; 97 assert(mblen(buf, 0) == -1); 98 assert(mblen(NULL, 0) == 0); 99 100 /* Incomplete character sequence (truncated double-byte). */ 101 memset(buf, 0xcc, sizeof(buf)); 102 buf[0] = 0xa3; 103 buf[1] = 0x00; 104 assert(mblen(buf, 1) == -1); 105 assert(mblen(NULL, 0) == 0); 106 107 /* Same as above, but complete. */ 108 buf[1] = 0xc1; 109 assert(mblen(buf, 2) == 2); 110 111 printf("ok 1 - mblen()\n"); 112 113 return (0); 114} 115