libstdc++-v3/testsuite/27_io/basic_ostream/flush/char/exceptions_badbit_throw.cc

   1 // Copyright (C) 2003-2023 Free Software Foundation, Inc.
   2 //
   3 // This file is part of the GNU ISO C++ Library.  This library is free
   4 // software; you can redistribute it and/or modify it under the
   5 // terms of the GNU General Public License as published by the
   6 // Free Software Foundation; either version 3, or (at your option)
   7 // any later version.
   8
   9 // This 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
  12 // GNU General Public License for more details.
  13
  14 // You should have received a copy of the GNU General Public License along
  15 // with this library; see the file COPYING3.  If not see
  16 // <http://www.gnu.org/licenses/>.
  17
  18
  19 #include <ostream>
  20 #include <streambuf>
  21 #include <sstream>
  22 #include <testsuite_hooks.h>
  23 #include <testsuite_io.h>
  24
  25 using namespace std;
  26
  27 void test01()
  28 {
  29   __gnu_test::fail_streambuf bib;
  30   ostream stream(&bib);
  31
  32   stream.flush(); // should catch exception and set badbit
  33   VERIFY( stream.rdstate() == ios_base::badbit );
  34
  35   stream.clear();
  36   stream.exceptions(ios_base::badbit);
  37
  38   try
  39     {
  40       stream.flush(); // should catch exception and set badbit and rethrow
  41       VERIFY( false );
  42     }
  43   catch (const __gnu_test::positioning_error&)
  44     {
  45       VERIFY( stream.rdstate() == ios_base::badbit );
  46     }
  47   catch (...)
  48     {
  49       VERIFY( false );
  50     }
  51 }
  52
  53 // libstdc++/9546
  54 int main()
  55 {
  56   test01();
  57   return 0;
  58 }