tests/lib/libc/stdlib/t_strtol.c

   1 /*      $NetBSD: t_strtol.c,v 1.5 2011/06/14 02:45:58 jruoho Exp $ */
   2
   3 /*-
   4  * Copyright (c) 2011 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Jukka Ruohonen.
   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 __RCSID("$NetBSD: t_strtol.c,v 1.5 2011/06/14 02:45:58 jruoho Exp $");
  34
  35 #include <atf-c.h>
  36 #include <errno.h>
  37 #include <stdlib.h>
  38 #include <string.h>
  39 #include <limits.h>
  40
  41 struct test {
  42         const char      *str;
  43         int64_t          res;
  44         int              base;
  45         const char      *end;
  46 };
  47
  48 static void     check(struct test *, long int, long long int, char *);
  49
  50 static void
  51 check(struct test *t, long int li, long long int lli, char *end)
  52 {
  53
  54         if (li != -1 && li != t->res)
  55                 atf_tc_fail_nonfatal("strtol(%s, &end, %d) failed "
  56                     "(rv = %ld)", t->str, t->base, li);
  57
  58         if (lli != -1 && lli != t->res)
  59                 atf_tc_fail_nonfatal("strtoll(%s, NULL, %d) failed "
  60                     "(rv = %lld)", t->str, t->base, lli);
  61
  62         if (t->end != NULL && strcmp(t->end, end) != 0)
  63                 atf_tc_fail_nonfatal("invalid end pointer ('%s') from "
  64                     "strtol(%s, &end, %d)", end, t->str, t->base);
  65 }
  66
  67 ATF_TC(strtol_base);
  68 ATF_TC_HEAD(strtol_base, tc)
  69 {
  70         atf_tc_set_md_var(tc, "descr", "Test strtol(3) with different bases");
  71 }
  72
  73 ATF_TC_BODY(strtol_base, tc)
  74 {
  75         struct test t[] = {
  76                 { "123456789",                   123456789,  0, NULL    },
  77                 { "111010110111100110100010101", 123456789,  2, NULL    },
  78                 { "22121022020212200",           123456789,  3, NULL    },
  79                 { "13112330310111",              123456789,  4, NULL    },
  80                 { "223101104124",                123456789,  5, NULL    },
  81                 { "20130035113",                 123456789,  6, NULL    },
  82                 { "3026236221",                  123456789,  7, NULL    },
  83                 { "726746425",                   123456789,  8, NULL    },
  84                 { "277266780",                   123456789,  9, NULL    },
  85                 { "123456789",                   123456789, 10, NULL    },
  86                 { "63762A05",                    123456789, 11, NULL    },
  87                 { "35418A99",                    123456789, 12, NULL    },
  88                 { "1C767471",                    123456789, 13, NULL    },
  89                 { "12579781",                    123456789, 14, NULL    },
  90                 { "AC89BC9",                     123456789, 15, NULL    },
  91                 { "75BCD15",                     123456789, 16, NULL    },
  92                 { "123456789",                      342391,  8, NULL    },
  93                 { "0123456789",                     342391,  0, NULL    },
  94                 { "0123456789",                  123456789, 10, NULL    },
  95                 { "0x75bcd15",                   123456789,  0, NULL    },
  96         };
  97
  98         long long int lli;
  99         long int li;
 100         char *end;
 101         size_t i;
 102
 103         for (i = 0; i < __arraycount(t); i++) {
 104
 105                 li = strtol(t[i].str, &end, t[i].base);
 106                 lli = strtoll(t[i].str, NULL, t[i].base);
 107
 108                 check(&t[i], li, lli, end);
 109         }
 110 }
 111
 112 ATF_TC(strtol_case);
 113 ATF_TC_HEAD(strtol_case, tc)
 114 {
 115         atf_tc_set_md_var(tc, "descr", "Case insensitivity with strtol(3)");
 116 }
 117
 118 ATF_TC_BODY(strtol_case, tc)
 119 {
 120         struct test t[] = {
 121                 { "abcd",       0xabcd, 16, NULL        },
 122                 { "     dcba",  0xdcba, 16, NULL        },
 123                 { "abcd dcba",  0xabcd, 16, " dcba"     },
 124                 { "abc0x123",   0xabc0, 16, NULL        },
 125                 { "abcd\0x123", 0xabcd, 16, "\0x123"    },
 126                 { "ABCD",       0xabcd, 16, NULL        },
 127                 { "aBcD",       0xabcd, 16, NULL        },
 128                 { "0xABCD",     0xabcd, 16, NULL        },
 129                 { "0xABCDX",    0xabcd, 16, "X"         },
 130         };
 131
 132         long long int lli;
 133         long int li;
 134         char *end;
 135         size_t i;
 136
 137         for (i = 0; i < __arraycount(t); i++) {
 138
 139                 li = strtol(t[i].str, &end, t[i].base);
 140                 lli = strtoll(t[i].str, NULL, t[i].base);
 141
 142                 check(&t[i], li, lli, end);
 143         }
 144 }
 145
 146 ATF_TC(strtol_range);
 147 ATF_TC_HEAD(strtol_range, tc)
 148 {
 149         atf_tc_set_md_var(tc, "descr", "Test ERANGE from strtol(3)");
 150 }
 151
 152 ATF_TC_BODY(strtol_range, tc)
 153 {
 154
 155 #if LONG_MAX == 0x7fffffff      /* XXX: Is this portable? */
 156
 157         struct test t[] = {
 158                 { "20000000000", 2147483647, 8, NULL },
 159                 { "2147483648",  2147483647, 10, NULL },
 160                 { "80000000",    2147483647, 16, NULL },
 161         };
 162 #else
 163         struct test t[] = {
 164                 { "1000000000000000000000", 9223372036854775807, 8, NULL },
 165                 { "9223372036854775808",    9223372036854775807, 10, NULL },
 166                 { "8000000000000000",       9223372036854775807, 16, NULL },
 167         };
 168 #endif
 169
 170         long int li;
 171         char *end;
 172         size_t i;
 173
 174         for (i = 0; i < __arraycount(t); i++) {
 175
 176                 errno = 0;
 177                 li = strtol(t[i].str, &end, t[i].base);
 178
 179                 if (errno != ERANGE)
 180                         atf_tc_fail("strtol(3) did not catch ERANGE");
 181
 182                 check(&t[i], li, -1, end);
 183         }
 184 }
 185
 186 ATF_TC(strtol_signed);
 187 ATF_TC_HEAD(strtol_signed, tc)
 188 {
 189         atf_tc_set_md_var(tc, "descr", "A basic test of strtol(3)");
 190 }
 191
 192 ATF_TC_BODY(strtol_signed, tc)
 193 {
 194         struct test t[] = {
 195                 { "1",           1, 0, NULL     },
 196                 { " 2",          2, 0, NULL     },
 197                 { "  3",         3, 0, NULL     },
 198                 { " -3",        -3, 0, NULL     },
 199                 { "--1",         0, 0, "--1"    },
 200                 { "+-2",         0, 0, "+-2"    },
 201                 { "++3",         0, 0, "++3"    },
 202                 { "+9",          9, 0, NULL     },
 203                 { "+123",      123, 0, NULL     },
 204                 { "-1 3",       -1, 0, " 3"     },
 205                 { "-1.3",       -1, 0, ".3"     },
 206                 { "-  3",        0, 0, "-  3"   },
 207                 { "+33.",       33, 0, "."      },
 208                 { "30x0",       30, 0, "x0"     },
 209         };
 210
 211         long long int lli;
 212         long int li;
 213         char *end;
 214         size_t i;
 215
 216         for (i = 0; i < __arraycount(t); i++) {
 217
 218                 li = strtol(t[i].str, &end, t[i].base);
 219                 lli = strtoll(t[i].str, NULL, t[i].base);
 220
 221                 check(&t[i], li, lli, end);
 222         }
 223 }
 224
 225 ATF_TP_ADD_TCS(tp)
 226 {
 227
 228         ATF_TP_ADD_TC(tp, strtol_base);
 229         ATF_TP_ADD_TC(tp, strtol_case);
 230         ATF_TP_ADD_TC(tp, strtol_range);
 231         ATF_TP_ADD_TC(tp, strtol_signed);
 232
 233         return atf_no_error();
 234 }