libstdc++-v3/testsuite/21_strings/c_strings/wchar_t/3_neg.cc

   1 // { dg-do compile { target correct_iso_cpp_string_wchar_protos } }
   2 // { dg-options "-O2" }
   3
   4 // Copyright (C) 2009-2022 Free Software Foundation, Inc.
   5 //
   6 // This file is part of the GNU ISO C++ Library.  This library is free
   7 // software; you can redistribute it and/or modify it under the
   8 // terms of the GNU General Public License as published by the
   9 // Free Software Foundation; either version 3, or (at your option)
  10 // any later version.
  11
  12 // This library is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // GNU General Public License for more details.
  16
  17 // You should have received a copy of the GNU General Public License along
  18 // with this library; see the file COPYING3.  If not see
  19 // <http://www.gnu.org/licenses/>.
  20
  21 #include <cwchar>
  22
  23 const wchar_t *cw1, *cw2;
  24 wchar_t *w1, *w2;
  25
  26 void
  27 test01 ()
  28 {
  29   w1 = wmemchr (w2, L'/', 3);
  30   w1 = wcschr (w2, L'/');
  31   w1 = wcspbrk (w2, L"abc");
  32   w1 = wcsrchr (w2, L'c');
  33   w1 = wcsstr (w2, L"abc");
  34
  35   cw1 = wmemchr (w2, L'/', 3);
  36   cw1 = wcschr (w2, L'/');
  37   cw1 = wcspbrk (w2, L"abc");
  38   cw1 = wcsrchr (w2, L'c');
  39   cw1 = wcsstr (w2, L"abc");
  40
  41   w1 = wmemchr (cw2, L'/', 3);          // { dg-error "invalid conversion" }
  42   w1 = wcschr (cw2, L'/');              // { dg-error "invalid conversion" }
  43   w1 = wcsrchr (cw2, L'c');             // { dg-error "invalid conversion" }
  44   w1 = wcspbrk (cw2, L"abc");           // { dg-error "invalid conversion" }
  45   w1 = wcsstr (cw2, L"abc");            // { dg-error "invalid conversion" }
  46
  47   cw1 = wmemchr (cw2, L'/', 3);
  48   cw1 = wcschr (cw2, L'/');
  49   cw1 = wcspbrk (cw2, L"abc");
  50   cw1 = wcsrchr (cw2, L'c');
  51   cw1 = wcsstr (cw2, L"abc");
  52 }