gomp-20050608-branch/libstdc++-v3/testsuite/27_io/basic_istream/extractors_other/wchar_t/exceptions_failbit_throw.cc

   1 // Copyright (C) 2004 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 2, 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 COPYING.  If not, write to the Free
  16 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  17 // USA.
  18
  19 // As a special exception, you may use this file as part of a free software
  20 // library without restriction.  Specifically, if other files instantiate
  21 // templates or use macros or inline functions from this file, or you compile
  22 // this file and link it with other files to produce an executable, this
  23 // file does not by itself cause the resulting executable to be covered by
  24 // the GNU General Public License.  This exception does not however
  25 // invalidate any other reasons why the executable file might be covered by
  26 // the GNU General Public License.
  27
  28 #include <istream>
  29 #include <streambuf>
  30 #include <sstream>
  31 #include <testsuite_hooks.h>
  32 #include <testsuite_io.h>
  33
  34 using namespace std;
  35
  36 void test10()
  37 {
  38   bool test __attribute__((unused)) = true;
  39   __gnu_test::fail_wstreambuf bib;
  40   wistream stream(&bib);
  41   stream.exceptions(ios_base::failbit);
  42   wstringbuf sbuf(L"", ios_base::out);
  43
  44   try
  45     {
  46       stream >> &sbuf;
  47       VERIFY( false );
  48     }
  49   catch (ios_base::failure&)
  50     { VERIFY( false ); }
  51   catch (__gnu_test::underflow_error&)
  52     { }
  53   catch (...)
  54     { VERIFY( false ); }
  55
  56   VERIFY( stream.rdstate() & ios_base::failbit );
  57   VERIFY( (stream.rdstate() & ios_base::badbit) == 0 );
  58 }
  59
  60 void test12()
  61 {
  62   bool test __attribute__((unused)) = true;
  63   wistringstream stream(L"foo, bar, qux");
  64   stream.exceptions(ios_base::failbit);
  65   __gnu_test::fail_wstreambuf bob;
  66
  67   try
  68     {
  69       stream >> &bob;
  70       VERIFY( false );
  71     }
  72   catch (ios_base::failure&)
  73     { VERIFY( false ); }
  74   catch (__gnu_test::overflow_error&)
  75     { }
  76   catch (...)
  77     { VERIFY( false ); }
  78
  79   VERIFY( stream.rdstate() & ios_base::failbit );
  80   VERIFY( (stream.rdstate() & ios_base::badbit) == 0 );
  81 }
  82
  83 // libstdc++/9371
  84 int main()
  85 {
  86   test10();
  87   test12();
  88   return 0;
  89 }