libiberty/testsuite/test-strtol.c

   1 /* Test program for strtol family of funtions,
   2    Copyright (C) 2014-2017 Free Software Foundation, Inc.
   3    Written by Yury Gribov <y.gribov@samsung.com>
   4
   5    This file is part of the libiberty library, which is part of GCC.
   6
   7    This file is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2 of the License, or
  10    (at your option) any later version.
  11
  12    In addition to the permissions in the GNU General Public License, the
  13    Free Software Foundation gives you unlimited permission to link the
  14    compiled version of this file into combinations with other programs,
  15    and to distribute those combinations without any restriction coming
  16    from the use of this file.  (The General Public License restrictions
  17    do apply in other respects; for example, they cover modification of
  18    the file, and distribution when not linked into a combined
  19    executable.)
  20
  21    This program is distributed in the hope that it will be useful,
  22    but WITHOUT ANY WARRANTY; without even the implied warranty of
  23    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  24    GNU General Public License for more details.
  25
  26    You should have received a copy of the GNU General Public License
  27    along with this program; if not, write to the Free Software
  28    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
  29 */
  30
  31 #ifdef HAVE_CONFIG_H
  32 #include "config.h"
  33 #endif
  34 #include "libiberty.h"
  35 #include <stdio.h>
  36 #include <errno.h>
  37 #ifdef HAVE_STDLIB_H
  38 #include <stdlib.h>
  39 #endif
  40 #ifdef HAVE_STRING_H
  41 #include <string.h>
  42 #endif
  43 #ifdef HAVE_UNISTD_H
  44 #include <unistd.h>
  45 #endif
  46
  47 #ifndef EXIT_SUCCESS
  48 #define EXIT_SUCCESS 0
  49 #endif
  50
  51 #ifndef EXIT_FAILURE
  52 #define EXIT_FAILURE 1
  53 #endif
  54
  55
  56 /* Test input data. */
  57
  58 enum conversion_fun
  59 {
  60   STRTOL,
  61   STRTOLL,
  62   STRTOUL,
  63   STRTOULL,
  64 };
  65
  66 #ifdef HAVE_LONG_LONG
  67 typedef unsigned long long integer_type;
  68 #else
  69 typedef unsigned long integer_type;
  70 #endif
  71
  72 struct test_data_t
  73 {
  74   enum conversion_fun fun;
  75   const char *nptr;
  76   int base;
  77   integer_type res;
  78   int errnum;
  79 };
  80
  81 const struct test_data_t test_data[] = {
  82   { STRTOL,  "0x123",       0, 0x123L,        0      },
  83   { STRTOL,  "123",         0, 123L,          0      },
  84   { STRTOL,  "0123",        0, 0123L,         0      },
  85   { STRTOL,  "0x7FFFFFFF",  0, 0x7fffffffL,   0      },
  86   { STRTOL,  "-0x80000000", 0, -0x80000000L,  0      },
  87   { STRTOUL, "0x123",       0, 0x123UL,       0      },
  88   { STRTOUL, "123",         0, 123UL,         0      },
  89   { STRTOUL, "0123",        0, 0123UL,        0      },
  90   { STRTOUL, "0xFFFFFFFF",  0, 0xffffffffUL,  0      },
  91 #if SIZEOF_LONG == 4
  92   { STRTOL,  "0x80000000",  0, 0x7fffffffL,   ERANGE },
  93   { STRTOL,  "-0x80000001", 0, -0x80000000L,  ERANGE },
  94   { STRTOUL, "0x100000000", 0, 0xffffffffUL,  ERANGE },
  95 #endif
  96 #ifdef HAVE_LONG_LONG
  97   { STRTOLL,  "0x123",               0, 0x123LL,               0      },
  98   { STRTOLL,  "123",                 0, 123LL,                 0      },
  99   { STRTOLL,  "0123",                0, 0123LL,                0      },
 100   { STRTOLL,  "0x7FFFFFFFFFFFFFFF",  0, 0x7fffffffffffffffLL,  0      },
 101   { STRTOLL,  "-0x8000000000000000", 0, -0x8000000000000000LL, 0      },
 102   { STRTOULL, "0x123",               0, 0x123ULL,              0      },
 103   { STRTOULL, "123",                 0, 123ULL,                0      },
 104   { STRTOULL, "0123",                0, 0123ULL,               0      },
 105   { STRTOULL, "0xFFFFFFFFFFFFFFFF",  0, 0xffffffffffffffffULL, 0      },
 106 #if SIZEOF_LONG_LONG == 8
 107   { STRTOLL,  "0x8000000000000000",  0, 0x7fffffffffffffffLL,  ERANGE },
 108   { STRTOLL,  "-0x8000000000000001", 0, -0x8000000000000000LL, ERANGE },
 109   { STRTOULL, "0x10000000000000000", 0, 0xffffffffffffffffULL, ERANGE },
 110 #endif
 111 #endif
 112 };
 113
 114 /* run_tests:
 115     Run conversion function
 116     Compare results
 117     Return number of fails */
 118
 119 int
 120 run_tests (const struct test_data_t *test_data, size_t ntests)
 121 {
 122   int fails = 0, failed;
 123   size_t i;
 124
 125   for (i = 0; i < ntests; ++i)
 126     {
 127       integer_type res;
 128       int saved_errno;
 129
 130       errno = 0;
 131
 132       switch (test_data[i].fun)
 133         {
 134         case STRTOL:
 135           res = (unsigned long) strtol (test_data[i].nptr,
 136                                         0, test_data[i].base);
 137           break;
 138         case STRTOUL:
 139           res = strtoul (test_data[i].nptr, 0, test_data[i].base);
 140           break;
 141 #ifdef HAVE_LONG_LONG
 142         case STRTOLL:
 143           res = strtoll (test_data[i].nptr, 0, test_data[i].base);
 144           break;
 145         case STRTOULL:
 146           res = strtoull (test_data[i].nptr, 0, test_data[i].base);
 147           break;
 148 #endif
 149         }
 150
 151       saved_errno = errno;
 152
 153       failed = 0;
 154
 155       /* Compare result */
 156       if (res != test_data[i].res)
 157         {
 158           printf ("FAIL: test-strtol-%zd. Results don't match.\n", i);
 159           failed++;
 160         }
 161
 162       /* Compare errno */
 163       if (saved_errno != test_data[i].errnum)
 164         {
 165           printf ("FAIL: test-strtol-%zd. Errnos don't match.\n", i);
 166           failed++;
 167         }
 168
 169       if (!failed)
 170         printf ("PASS: test-strtol-%zd.\n", i);
 171       else
 172         fails++;
 173     }
 174
 175   return fails;
 176 }
 177
 178 int
 179 main(int argc, char **argv)
 180 {
 181   int fails;
 182   fails = run_tests (test_data, sizeof (test_data) / sizeof (test_data[0]));
 183   exit (fails ? EXIT_FAILURE : EXIT_SUCCESS);
 184 }
 185