libstdc++-v3/testsuite/27_io/basic_istream/exceptions/char/9561.cc

   1 // 2003-03-08  Jerry Quinn  <jlquinn@optonline.net>
   2
   3 // Copyright (C) 2003 Free Software Foundation, Inc.
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 2, or (at your option)
   9 // any later version.
  10
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING.  If not, write to the Free
  18 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  19 // USA.
  20
  21 #include <istream>
  22 #include <streambuf>
  23 #include <testsuite_hooks.h>
  24 #include <testsuite_io.h>
  25
  26 // libstdc++/9561
  27 void test01()
  28 {
  29   using namespace std;
  30   bool test __attribute__((unused)) = true;
  31
  32   __gnu_test::fail_streambuf b;
  33   std::istream strm (&b);
  34   strm.exceptions (std::ios::badbit);
  35   int i = 0;
  36
  37   try
  38     {
  39       i = strm.get();
  40       i = strm.get();
  41       i = strm.get();
  42     }
  43   catch (__gnu_test::underflow_error&)
  44     {
  45       // strm should throw facet_error and not do anything else
  46       VERIFY(strm.bad());
  47     }
  48   catch (...)
  49     {
  50       VERIFY(false);
  51     }
  52
  53   VERIFY(i == 's');
  54 }
  55
  56
  57 int main()
  58 {
  59   test01();
  60   return 0;
  61 }