libstdc++-v3/testsuite/27_io/basic_ostream/seekp/wchar_t/exceptions_badbit_throw.cc

   1 // Copyright (C) 2005-2014 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 void test01()
  26 {
  27   using namespace std;
  28   bool test __attribute__((unused)) = true;
  29
  30   __gnu_test::fail_wstreambuf bib;
  31   wostream stream(&bib);
  32   stream.exceptions(ios_base::badbit);
  33
  34   wostream::pos_type pos = wostream::pos_type();
  35
  36   try
  37     {
  38       stream.seekp(pos);
  39       VERIFY( false );
  40     }
  41   catch (const __gnu_test::positioning_error&)
  42     {
  43       // stream should set badbit and rethrow facet_error.
  44       VERIFY( stream.bad() );
  45       VERIFY( (stream.rdstate() & ios_base::failbit) == 0 );
  46       VERIFY( !stream.eof() );
  47     }
  48   catch (...)
  49     {
  50       VERIFY( false );
  51     }
  52 }
  53
  54 void test02()
  55 {
  56   using namespace std;
  57   bool test __attribute__((unused)) = true;
  58
  59   __gnu_test::fail_wstreambuf bib;
  60   wostream stream(&bib);
  61   stream.exceptions(ios_base::badbit);
  62
  63   wostream::off_type off(5);
  64
  65   try
  66     {
  67       stream.seekp(off, ios_base::cur);
  68       VERIFY( false );
  69     }
  70   catch (const __gnu_test::positioning_error&)
  71     {
  72       // stream should set badbit and rethrow facet_error.
  73       VERIFY( stream.bad() );
  74       VERIFY( (stream.rdstate() & ios_base::failbit) == 0 );
  75       VERIFY( !stream.eof() );
  76     }
  77   catch (...)
  78     {
  79       VERIFY( false );
  80     }
  81 }
  82
  83 // libstdc++/9546
  84 int main()
  85 {
  86   test01();
  87   test02();
  88   return 0;
  89 }