kc3-lang/gnulib/tests/test-strtoimax.c

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• Hash : 32a72f45
  Author :
  Date : 2023-01-01T01:14:21
  

  maint: run 'make update-copyright'
  

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• tests/test-strtoimax.c

• /*
   * Copyright (C) 2011-2023 Free Software Foundation, Inc.
   *
   * This program is free software: you can redistribute it and/or modify
   * it under the terms of the GNU General Public License as published by
   * the Free Software Foundation, either version 3 of the License, or
   * (at your option) any later version.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  
  #include <config.h>
  
  #include <inttypes.h>
  
  #include "signature.h"
  #ifndef strtoimax
  SIGNATURE_CHECK (strtoimax, intmax_t, (const char *, char **, int));
  #endif
  
  #include <errno.h>
  
  #include "macros.h"
  
  int
  main (void)
  {
    /* Subject sequence empty or invalid.  */
    {
      const char input[] = "";
      char *ptr;
      intmax_t result;
      errno = 0;
      result = strtoimax (input, &ptr, 10);
      ASSERT (result == 0);
      ASSERT (ptr == input);
      ASSERT (errno == 0 || errno == EINVAL);
    }
    {
      const char input[] = " ";
      char *ptr;
      intmax_t result;
      errno = 0;
      result = strtoimax (input, &ptr, 10);
      ASSERT (result == 0);
      ASSERT (ptr == input);
      ASSERT (errno == 0 || errno == EINVAL);
    }
    {
      const char input[] = " +";
      char *ptr;
      intmax_t result;
      errno = 0;
      result = strtoimax (input, &ptr, 10);
      ASSERT (result == 0);
      ASSERT (ptr == input);
      ASSERT (errno == 0 || errno == EINVAL);
    }
    {
      const char input[] = " -";
      char *ptr;
      intmax_t result;
      errno = 0;
      result = strtoimax (input, &ptr, 10);
      ASSERT (result == 0);
      ASSERT (ptr == input);
      ASSERT (errno == 0 || errno == EINVAL);
    }
  
    /* Simple integer values.  */
    {
      const char input[] = "0";
      char *ptr;
      intmax_t result;
      errno = 0;
      result = strtoimax (input, &ptr, 10);
      ASSERT (result == 0);
      ASSERT (ptr == input + 1);
      ASSERT (errno == 0);
    }
    {
      const char input[] = "+0";
      char *ptr;
      intmax_t result;
      errno = 0;
      result = strtoimax (input, &ptr, 10);
      ASSERT (result == 0);
      ASSERT (ptr == input + 2);
      ASSERT (errno == 0);
    }
    {
      const char input[] = "-0";
      char *ptr;
      intmax_t result;
      errno = 0;
      result = strtoimax (input, &ptr, 10);
      ASSERT (result == 0);
      ASSERT (ptr == input + 2);
      ASSERT (errno == 0);
    }
    {
      const char input[] = "23";
      char *ptr;
      intmax_t result;
      errno = 0;
      result = strtoimax (input, &ptr, 10);
      ASSERT (result == 23);
      ASSERT (ptr == input + 2);
      ASSERT (errno == 0);
    }
    {
      const char input[] = " 23";
      char *ptr;
      intmax_t result;
      errno = 0;
      result = strtoimax (input, &ptr, 10);
      ASSERT (result == 23);
      ASSERT (ptr == input + 3);
      ASSERT (errno == 0);
    }
    {
      const char input[] = "+23";
      char *ptr;
      intmax_t result;
      errno = 0;
      result = strtoimax (input, &ptr, 10);
      ASSERT (result == 23);
      ASSERT (ptr == input + 3);
      ASSERT (errno == 0);
    }
    {
      const char input[] = "-23";
      char *ptr;
      intmax_t result;
      errno = 0;
      result = strtoimax (input, &ptr, 10);
      ASSERT (result == -23);
      ASSERT (ptr == input + 3);
      ASSERT (errno == 0);
    }
  
    /* Large integer values.  */
    {
      const char input[] = "2147483647";
      char *ptr;
      intmax_t result;
      errno = 0;
      result = strtoimax (input, &ptr, 10);
      ASSERT (result == 2147483647);
      ASSERT (ptr == input + 10);
      ASSERT (errno == 0);
    }
    {
      const char input[] = "-2147483648";
      char *ptr;
      intmax_t result;
      errno = 0;
      result = strtoimax (input, &ptr, 10);
      ASSERT (result == -2147483647 - 1);
      ASSERT (ptr == input + 11);
      ASSERT (errno == 0);
    }
    if (sizeof (intmax_t) > sizeof (int))
      {
        const char input[] = "4294967295";
        char *ptr;
        intmax_t result;
        errno = 0;
        result = strtoimax (input, &ptr, 10);
        ASSERT (result == (intmax_t) 65535 * (intmax_t) 65537);
        ASSERT (ptr == input + 10);
        ASSERT (errno == 0);
      }
  
    return 0;
  }
  

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