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

   1 // Copyright (C) 2004-2016 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 <istream>
  20 #include <streambuf>
  21 #include <sstream>
  22 #include <testsuite_hooks.h>
  23 #include <testsuite_io.h>
  24
  25 using namespace std;
  26
  27 void test10()
  28 {
  29   bool test __attribute__((unused)) = true;
  30   __gnu_test::fail_wstreambuf bib;
  31   wistream stream(&bib);
  32   stream.exceptions(ios_base::failbit);
  33   wstringbuf sbuf(L"", ios_base::out);
  34
  35   try
  36     {
  37       stream >> &sbuf;
  38       VERIFY( false );
  39     }
  40   catch (ios_base::failure&)
  41     { VERIFY( false ); }
  42   catch (__gnu_test::underflow_error&)
  43     { }
  44   catch (...)
  45     { VERIFY( false ); }
  46
  47   VERIFY( stream.rdstate() & ios_base::failbit );
  48   VERIFY( (stream.rdstate() & ios_base::badbit) == 0 );
  49 }
  50
  51 void test12()
  52 {
  53   bool test __attribute__((unused)) = true;
  54   wistringstream stream(L"foo, bar, qux");
  55   stream.exceptions(ios_base::failbit);
  56   __gnu_test::fail_wstreambuf bob;
  57
  58   try
  59     {
  60       stream >> &bob;
  61       VERIFY( false );
  62     }
  63   catch (ios_base::failure&)
  64     { VERIFY( false ); }
  65   catch (__gnu_test::overflow_error&)
  66     { }
  67   catch (...)
  68     { VERIFY( false ); }
  69
  70   VERIFY( stream.rdstate() & ios_base::failbit );
  71   VERIFY( (stream.rdstate() & ios_base::badbit) == 0 );
  72 }
  73
  74 // libstdc++/9371
  75 int main()
  76 {
  77   test10();
  78   test12();
  79   return 0;
  80 }