1  /* Copyright (C) 1999-2023 Free Software Foundation, Inc.
       2     This file is part of the GNU C Library.
       3  
       4     The GNU C Library is free software; you can redistribute it and/or
       5     modify it under the terms of the GNU Lesser General Public
       6     License as published by the Free Software Foundation; either
       7     version 2.1 of the License, or (at your option) any later version.
       8  
       9     The GNU C Library is distributed in the hope that it will be useful,
      10     but WITHOUT ANY WARRANTY; without even the implied warranty of
      11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      12     Lesser General Public License for more details.
      13  
      14     You should have received a copy of the GNU Lesser General Public
      15     License along with the GNU C Library; if not, see
      16     <https://www.gnu.org/licenses/>.  */
      17  
      18  #include <stdio.h>
      19  #include <wchar.h>
      20  
      21  #define TEST(Str, Max, Exp) \
      22    n = wcsnlen (L##Str, Max);						      \
      23    if (n != Exp)								      \
      24      {									      \
      25        result = 1;							      \
      26        printf ("wcsnlen (L\"%s\", %d) = %d, not %d\n", Str, Max, n, Exp);      \
      27      }
      28  
      29  static int
      30  do_test (void)
      31  {
      32    int result = 0;
      33    int n;
      34  
      35    TEST ("0123456789", 0, 0);
      36    TEST ("0123456789", 1, 1);
      37    TEST ("0123456789", 2, 2);
      38    TEST ("0123456789", 3, 3);
      39    TEST ("0123456789", 4, 4);
      40    TEST ("0123456789", 5, 5);
      41    TEST ("0123456789", 6, 6);
      42    TEST ("0123456789", 7, 7);
      43    TEST ("0123456789", 8, 8);
      44    TEST ("0123456789", 9, 9);
      45  
      46    TEST ("01234", 9, 5);
      47  
      48    return result;
      49  }
      50  
      51  #include <support/test-driver.c>