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

   1 // { dg-do compile { target correct_iso_cpp_string_wchar_protos } }
   2 // { dg-options "-O2" }
   3
   4 // Copyright (C) 2009-2016 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 <cstring>
  22
  23 const char *cc1, *cc2;
  24 char *c1, *c2;
  25 const void *cv1, *cv2;
  26 void *v1, *v2;
  27
  28 void
  29 test01 ()
  30 {
  31   v1 = std::memchr (v2, '/', 3);
  32   c1 = std::strchr (c2, '/');
  33   c1 = std::strrchr (c2, 'c');
  34   c1 = std::strpbrk (c2, "abc");
  35   c1 = std::strstr (c2, "abc");
  36
  37   cv1 = std::memchr (v2, '/', 3);
  38   cc1 = std::strchr (c2, '/');
  39   cc1 = std::strrchr (c2, 'c');
  40   cc1 = std::strpbrk (c2, "abc");
  41   cc1 = std::strstr (c2, "abc");
  42
  43   v1 = std::memchr (cv2, '/', 3);       // { dg-error "invalid conversion" }
  44   c1 = std::strchr (cc2, '/');          // { dg-error "invalid conversion" }
  45   c1 = std::strrchr (cc2, 'c');         // { dg-error "invalid conversion" }
  46   c1 = std::strpbrk (cc2, "abc");       // { dg-error "invalid conversion" }
  47   c1 = std::strstr (cc2, "abc");        // { dg-error "invalid conversion" }
  48
  49   cv1 = std::memchr (cv2, '/', 3);
  50   cc1 = std::strchr (cc2, '/');
  51   cc1 = std::strrchr (cc2, 'c');
  52   cc1 = std::strpbrk (cc2, "abc");
  53   cc1 = std::strstr (cc2, "abc");
  54 }