libstdc++-v3/testsuite/27_io/fpos/mbstate_t/4_neg.cc

   1 // Copyright (C) 2003
   2 // Free Software Foundation, Inc.
   3 //
   4 // This file is part of the GNU ISO C++ Library.  This library is free
   5 // software; you can redistribute it and/or modify it under the
   6 // terms of the GNU General Public License as published by the
   7 // Free Software Foundation; either version 2, or (at your option)
   8 // any later version.
   9
  10 // This library is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14
  15 // You should have received a copy of the GNU General Public License along
  16 // with this library; see the file COPYING.  If not, write to the Free
  17 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  18 // USA.
  19
  20 // 27.4.3 fpos
  21
  22 // { dg-do compile }
  23
  24 #include <ios>
  25
  26 void test04()
  27 {
  28   std::streampos pos;
  29   long n;
  30
  31   // Implicit conversion
  32   n = pos; // { dg-error "cannot convert" }
  33
  34   // Explicit conversion
  35   n = static_cast<long>(pos); // { dg-error "invalid static_cast" }
  36 }
  37
  38 int main()
  39 {
  40   test04();
  41   return 0;
  42 }