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 #include <limits.h> 37 #include <locale.h> 38 #include <stdio.h> 39 #include <stdlib.h> 40 #include <string.h> 41 42 #include <atf-c.h> 43 44 ATF_TC_WITHOUT_HEAD(mblen_test); 45 ATF_TC_BODY(mblen_test, tc) 46 { 47 char buf[MB_LEN_MAX + 1]; 48 49 /* 50 * C/POSIX locale. 51 */ 52 53 ATF_REQUIRE(MB_CUR_MAX == 1); 54 55 /* No shift states in C locale. */ 56 ATF_REQUIRE(mblen(NULL, 0) == 0); 57 58 /* Null wide character. */ 59 memset(buf, 0xcc, sizeof(buf)); 60 buf[0] = '\0'; 61 ATF_REQUIRE(mblen(buf, 1) == 0); 62 63 /* Latin letter A. */ 64 buf[0] = 'A'; 65 ATF_REQUIRE(mblen(buf, 1) == 1); 66 67 /* Incomplete character sequence. */ 68 buf[0] = '\0'; 69 ATF_REQUIRE(mblen(buf, 0) == -1); 70 ATF_REQUIRE(mblen(NULL, 0) == 0); 71 72 /* 73 * Japanese (EUC) locale. 74 */ 75 76 ATF_REQUIRE(strcmp(setlocale(LC_CTYPE, "ja_JP.eucJP"), "ja_JP.eucJP") == 0); 77 ATF_REQUIRE(MB_CUR_MAX > 1); 78 79 /* No shift states in EUC. */ 80 ATF_REQUIRE(mblen(NULL, 0) == 0); 81 82 /* Null wide character. */ 83 memset(buf, 0xcc, sizeof(buf)); 84 buf[0] = '\0'; 85 ATF_REQUIRE(mblen(buf, 1) == 0); 86 87 /* Latin letter A. */ 88 buf[0] = 'A'; 89 ATF_REQUIRE(mblen(buf, 1) == 1); 90 91 /* Incomplete character sequence. */ 92 buf[0] = '\0'; 93 ATF_REQUIRE(mblen(buf, 0) == -1); 94 ATF_REQUIRE(mblen(NULL, 0) == 0); 95 96 /* Incomplete character sequence (truncated double-byte). */ 97 memset(buf, 0xcc, sizeof(buf)); 98 buf[0] = 0xa3; 99 buf[1] = 0x00; 100 ATF_REQUIRE(mblen(buf, 1) == -1); 101 ATF_REQUIRE(mblen(NULL, 0) == 0); 102 103 /* Same as above, but complete. */ 104 buf[1] = 0xc1; 105 ATF_REQUIRE(mblen(buf, 2) == 2); 106 } 107 108 ATF_TP_ADD_TCS(tp) 109 { 110 111 ATF_TP_ADD_TC(tp, mblen_test); 112 113 return (atf_no_error()); 114 } 115