1 /* $NetBSD: t_btowc.c,v 1.2 2017/07/12 17:32:51 perseant Exp $ */ 2 3 /*- 4 * Copyright (c) 2017 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Konrad Schroder. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 __COPYRIGHT("@(#) Copyright (c) 2017\ 34 The NetBSD Foundation, inc. All rights reserved."); 35 __RCSID("$NetBSD: t_btowc.c,v 1.2 2017/07/12 17:32:51 perseant Exp $"); 36 37 #include <locale.h> 38 #include <stdio.h> 39 #include <stdlib.h> 40 #include <errno.h> 41 #include <string.h> 42 #include <wchar.h> 43 44 #include <atf-c.h> 45 46 struct test { 47 const char *locale; 48 const char *illegal; /* Illegal single-byte characters, if any */ 49 const char *legal; /* Legal single-byte characters */ 50 /* The next two are only used if __STDC_ISO_10646__ is defined */ 51 const wchar_t wlegal[8]; /* The same characters, but in ISO-10646 */ 52 const wchar_t willegal[8]; /* ISO-10646 that do not map into charset */ 53 } tests[] = { 54 { 55 "C", 56 "\377", 57 "ABC123@\t", 58 { 'A', 'B', 'C', '1', '2', '3', '@', '\t' }, 59 { 0x0430, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0} 60 }, 61 { 62 "en_US.UTF-8", 63 "\200", 64 "ABC123@\t", 65 { 'A', 'B', 'C', '1', '2', '3', '@', '\t' }, 66 { 0xfdd0, 0x10fffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0} 67 }, 68 { 69 "ru_RU.KOI8-R", 70 "", /* No illegal characters in KOI8-R */ 71 "A\xc2\xd7\xc7\xc4\xc5\xa3", 72 { 'A', 0x0431, 0x432, 0x0433, 0x0434, 0x0435, 0x0451, 0x0 }, 73 { 0x00c5, 0x00e6, 0x00fe, 0x0630, 0x06fc, 0x56cd, 0x0, 0x0 } 74 }, 75 { 76 NULL, 77 NULL, 78 NULL, 79 { 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0 }, 80 { 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0 } 81 }, 82 }; 83 84 #ifdef __STDC_ISO_10646__ 85 static void 86 h_iso10646(struct test *t) 87 { 88 const char *cp; 89 int c, wc; 90 char *str; 91 const wchar_t *wcp; 92 93 ATF_REQUIRE_STREQ(setlocale(LC_ALL, "C"), "C"); 94 printf("Trying locale: %s\n", t->locale); 95 ATF_REQUIRE(setlocale(LC_CTYPE, t->locale) != NULL); 96 ATF_REQUIRE((str = setlocale(LC_ALL, NULL)) != NULL); 97 (void)printf("Using locale: %s\n", str); 98 99 /* These should have valid wchar representations */ 100 for (cp = t->legal, wcp = t->wlegal; *cp != '\0'; ++cp, ++wcp) { 101 c = (int)(unsigned char)*cp; 102 printf("Checking legal character 0x%x\n", c); 103 wc = btowc(c); 104 105 if (errno != 0) 106 printf(" btowc() failed with errno=%d\n", errno); 107 108 /* It should map to the known Unicode equivalent */ 109 printf("btowc(0x%2.2x) = 0x%x, expecting 0x%x\n", 110 c, wc, *wcp); 111 ATF_REQUIRE(btowc(c) == *wcp); 112 } 113 114 /* These are invalid characters in the target set */ 115 for (wcp = t->willegal; *wcp != '\0'; ++wcp) { 116 printf("Checking illegal wide character 0x%lx\n", 117 (unsigned long)*wcp); 118 ATF_REQUIRE_EQ(wctob(*wcp), EOF); 119 } 120 } 121 #endif 122 123 static void 124 h_btowc(struct test *t) 125 { 126 const char *cp; 127 unsigned char c; 128 char *str; 129 const wchar_t *wcp; 130 131 ATF_REQUIRE_STREQ(setlocale(LC_ALL, "C"), "C"); 132 printf("Trying locale: %s\n", t->locale); 133 ATF_REQUIRE(setlocale(LC_CTYPE, t->locale) != NULL); 134 ATF_REQUIRE((str = setlocale(LC_ALL, NULL)) != NULL); 135 (void)printf("Using locale: %s\n", str); 136 137 /* btowc(EOF) -> WEOF */ 138 ATF_REQUIRE_EQ(btowc(EOF), WEOF); 139 140 /* wctob(WEOF) -> EOF */ 141 ATF_REQUIRE_EQ(wctob(WEOF), EOF); 142 143 /* Invalid in initial shift state -> WEOF */ 144 for (cp = t->illegal; *cp != '\0'; ++cp) { 145 printf("Checking illegal character 0x%x\n", 146 (unsigned char)*cp); 147 ATF_REQUIRE_EQ(btowc(*cp), WEOF); 148 } 149 150 /* These should have valid wchar representations */ 151 for (cp = t->legal; *cp != '\0'; ++cp) { 152 c = (unsigned char)*cp; 153 printf("Checking legal character 0x%x\n", c); 154 155 /* A legal character never maps to EOF */ 156 ATF_REQUIRE(btowc(c) != WEOF); 157 158 /* And the mapping should be reversible */ 159 printf("0x%x -> wide 0x%x -> 0x%x\n", 160 c, btowc(c), (unsigned char)wctob(btowc(c))); 161 ATF_REQUIRE_EQ(wctob(btowc(c)), c); 162 } 163 } 164 165 ATF_TC(btowc); 166 ATF_TC_HEAD(btowc, tc) 167 { 168 atf_tc_set_md_var(tc, "descr", "Checks btowc(3) and wctob(3)"); 169 } 170 ATF_TC_BODY(btowc, tc) 171 { 172 struct test *t; 173 174 for (t = tests; t->locale != NULL; ++t) 175 h_btowc(t); 176 } 177 178 ATF_TC(stdc_iso_10646); 179 ATF_TC_HEAD(stdc_iso_10646, tc) 180 { 181 atf_tc_set_md_var(tc, "descr", 182 "Checks btowc(3) conversion to ISO10646"); 183 } 184 ATF_TC_BODY(stdc_iso_10646, tc) 185 { 186 struct test *t; 187 188 #ifdef __STDC_ISO_10646__ 189 for (t = tests; t->locale != NULL; ++t) 190 h_iso10646(t); 191 #else /* ! __STDC_ISO_10646__ */ 192 atf_tc_skip("__STDC_ISO_10646__ not defined"); 193 #endif /* ! __STDC_ISO_10646__ */ 194 } 195 196 ATF_TP_ADD_TCS(tp) 197 { 198 ATF_TP_ADD_TC(tp, btowc); 199 ATF_TP_ADD_TC(tp, stdc_iso_10646); 200 201 return atf_no_error(); 202 } 203