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dat_mbtowc.c

/*
 *  TEST SUITE FOR MB/WC FUNCTIONS IN C LIBRARY
 *
 *     FILE:      dat_mbtowc.c
 *
 *     MBTOWC:  int  mbtowc (wchar_t *wp, char *s, size_t n);
 */

/*  NOTE:
 *
 *     int  mbtowc (wchar_t *wp, char *s, size_t n);
 *
 *     where           n: a maximum number of bytes
 *          return: the number of bytes
 *
 *
 *      o When you feed a null pointer for a string (s) to the function,
 *        set s_flg=0 instead of putting just a 'NULL' there.
 *        Even if you put a 'NULL', it means a null string as well as "".
 *
 *      o When s is a null pointer, the function checks state dependency.
 *
 *          state-dependent encoding      - return    NON-zero
 *          state-independent encoding    - return    0
 *
 *        If state-dependent encoding is expected, set
 *
 *          s_flg = 0,  ret_flg = 0,  ret_val = +1
 *
 *        If state-independent encoding is expected, set
 *
 *          s_flg = 0,  ret_flg = 0,  ret_val = 0
 *
 *
 *        When you set ret_flg=1, the test program simply compares
 *        an actual return value with an expected value. You can
 *        check state-independent case (return value is 0) in that
 *        way, but you can not check state-dependent case. So when
 *        you check state- dependency in this test function:
 *        tst_mbtowc(), set ret_flg=0 always. It's a special case
 *        and the test function takes care of it.
 *
 *                  w_flg
 *                  |   s: (a null string; can't be (char *)NULL)
 *                  |   |
 *           input.     { 1, 0, (char)NULL, MB_LEN_MAX      },
 *                     |
 *                     s_flg=0: makes _s_ a null pointer.
 *
 *           expect     { 0,0,0,x,     0x0000     },
 *                      | |
 *                      | ret_val: 0/+1
 *                      ret_flg=0
 *
 *
 *    Test data for State dependent encodings:
 *
 *      mbtowc( NULL, NULL, 0 );     ... first  data
 *      mbtowc( &wc,    s1,  n1 );   ... second data
 *      mbtowc( &wc,    s2,  n2 );   ... third  data
 * */

#include <limits.h>

TST_MBTOWC tst_mbtowc_loc [] = {
  {
    { Tmbtowc, TST_LOC_de },
    {
      { /*----------------- #01 -----------------*/
      {
        {
          { 1, 1, "\xfc\xe4\xf6",       1        },
          { 1, 1, "\xfc\xe4\xf6",       2        },
          { 1, 1, "\xfc\xe4\xf6",       MB_LEN_MAX },
        }
      },
      {
        {
          { 0,  1,  1,   0x00FC },
          { 0,  1,  1,   0x00FC },
          { 0,  1,  1,   0x00FC },
        }
      }
      },
      { /*----------------- #02 -----------------*/
      {
        {
          { 1, 1, "\177",         MB_LEN_MAX },
          { 1, 1, "\200",         MB_LEN_MAX },
          { 1, 1, "\201",         MB_LEN_MAX },
        }
      },
      {
        {
          { 0,  1,  1,   0x007F },
          { 0,  1,  1,   0x0080 },
          { 0,  1,  1,   0x0081 },
        }
      }
      },
      { /*----------------- #03 -----------------*/
      {
        {
          { 1, 1, "",                   MB_LEN_MAX },
          { 0, 1, "\xfc\xe4\xf6",       1        },
          { 0, 1, "\xfc\xe4\xf6",       2        },
        }
      },
      {
        {
          { 0,  1,  0,   0x0000 },
          { 0,  1,  1,   0x0000 },
          { 0,  1,  1,   0x0000 },
        }
      }
      },
      { /*----------------- #04 -----------------*/
      {
        {
          { 0, 1, "\xfc\xe4\xf6",       MB_LEN_MAX },
          { 0, 1, "\177",               MB_LEN_MAX },
          { 0, 1, "",                  MB_LEN_MAX },
        }
      },
      {
        {
          { 0,  1,  1,   0x0000 },
          { 0,  1,  1,   0x0000 },
          { 0,  1,  0,   0x0000 },
        }
      }
      },
      { /*----------------- #05 -----------------*/
      {
        {
          { 0, 1, "\xfc\xe4\xf6",   MB_LEN_MAX },
          { 0, 1, "\177",           MB_LEN_MAX },
          { 0, 0, (char)NULL,       MB_LEN_MAX },
        }
      },
      {
        {
          { 0,  1,  1,   0x0000 },
          { 0,  1,  1,   0x0000 },
          { 0,  0,  0,   0x0000 },
        }
      }
      },
      { .is_last = 1 }
    }
  },
  {
    { Tmbtowc, TST_LOC_enUS },
    {
      { /*----------------- #01 -----------------*/
      {
        {
          { 1, 1, "ABC",          1        },
          { 1, 1, "ABC",          2        },
          { 1, 1, "ABC",          MB_LEN_MAX },
        }
      },
      {
        {
          { 0,  1,  1,   0x0041 },
          { 0,  1,  1,   0x0041 },
          { 0,  1,  1,   0x0041 },
        }
      }
      },
      { /*----------------- #02 -----------------*/
      {
        {
          { 1, 1, "\177",         MB_LEN_MAX },
          { 1, 1, "\200",         MB_LEN_MAX },
          { 1, 1, "\201",         MB_LEN_MAX },
        }
      },
      {
        {
          { 0,  1,  1,   0x007F },
          { EILSEQ,  1, -1,   0x0000 },
          { EILSEQ,  1, -1,   0x0000 },
        }
      }
      },
      { /*----------------- #03 -----------------*/
      {
        {
          { 1, 1, "",       MB_LEN_MAX },
          { 0, 1, "ABC",          1        },
          { 0, 1, "ABC",          2        },
        }
      },
      {
        {
          { 0,  1,  0,   0x0000 },
          { 0,  1,  1,   0x0000 },
          { 0,  1,  1,   0x0000 },
        }
      }
      },
      { /*----------------- #04 -----------------*/
      {
        {
          { 0, 1, "ABC",          MB_LEN_MAX },
          { 0, 1, "\177",         MB_LEN_MAX },
          { 0, 1, "",       MB_LEN_MAX },
        }
      },
      {
        {
          { 0,  1,  1,   0x0000 },
          { 0,  1,  1,   0x0000 },
          { 0,  1,  0,   0x0000 },
        }
      }
      },
      { /*----------------- #05 -----------------*/
      {
        {
          { 0, 1, "ABC",          MB_LEN_MAX },
          { 0, 1, "\177",         MB_LEN_MAX },
          { 0, 0, (char)NULL, MB_LEN_MAX },
        }
      },
      {
        {
          { 0,  1,  1,   0x0000 },
          { 0,  1,  1,   0x0000 },
          { 0,  0,  0,   0x0000 },
        }
      }
      },
      { .is_last = 1 }
    }
  },
  {
    { Tmbtowc, TST_LOC_eucJP },
    {
      { /*----------------- #01 -----------------*/
      {
        {
          { 1, 1, "\244\242A",      1          },
          { 1, 1, "\244\242A",      2          },
          { 1, 1, "\244\242A",      MB_LEN_MAX },
        }
      },
      {
        {
#ifdef SHOJI_IS_RIGHT
          { EILSEQ,  1, -1,   0x0000 },
#else
          /* XXX EILSEQ was introduced in ISO C99.  */
          { 0,      1, -1,   0x0000 },
#endif
          { 0,       1,  2,   0x3042 },
          { 0,       1,  2,   0x3042 },
        }
      }
      },
      { /*----------------- #02 -----------------*/
      {
        {
          { 1, 1, "\177\244\242",   MB_LEN_MAX },
          { 1, 1, "\377\244\242",   MB_LEN_MAX },
          { 1, 1, "\201\244\242",   MB_LEN_MAX },
        }
      },
      {
        {
          { 0,  1, +1,   0x007F },
#ifdef SHOJI_IS_RIGHT
          { EILSEQ,  1, -1,   0x0000 },
#else
          { 0,  1, -1,   0x0000 },
#endif
          { 0,  1, +1,   0x0081 },
        }
      }
      },
      { /*----------------- #03 -----------------*/
      {
        {
          { 1, 1, "",         MB_LEN_MAX },
          { 0, 1, "\244\242A",      1          },
          { 0, 1, "\244\242A",      2          },
        }
      },
      {
        {
          { 0,  1,  0,   0x0000 },
#ifdef SHOJI_IS_RIGHT
          { EILSEQ,  1, -1,   0x0000 },
#else
          /* XXX EILSEQ was introduced in ISO C99.  */
          { 0,       1, -1,   0x0000 },
#endif
          { 0,  1,  2,   0x0000 },
        }
      }
      },
      { /*----------------- #04 -----------------*/
      {
        {
          { 0, 1, "\244\242A",      MB_LEN_MAX },
          { 0, 1, "\177\244\242",   MB_LEN_MAX },
          { 0, 1, "",         MB_LEN_MAX },
        }
      },
      {
        {
          { 0,  1,  2,   0x0000 },
          { 0,  1, +1,   0x0000 },
          { 0,  1,  0,   0x0000 },
        }
      }
      },
      { /*----------------- #05 -----------------*/
      {
        {
          { 0, 1, "\244\242A",      MB_LEN_MAX },
          { 0, 1, "\177\244\242",   MB_LEN_MAX },
          { 0, 0, (char)NULL, MB_LEN_MAX },
        }
      },
      {
        {
          { 0,  1,  2,   0x0000 },
          { 0,  1, +1,   0x0000 },
          { 0,  0,  0,   0x0000 },
        }
      }
      },
      { .is_last = 1 }
    }
  },
  {
    { Tmbtowc, TST_LOC_end }
  }
};

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