old-autovect-branch/libstdc++-v3/testsuite/27_io/basic_istream/exceptions/wchar_t/9561.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 #include <istream>
  20 #include <streambuf>
  21 #include <testsuite_hooks.h>
  22 #include <testsuite_io.h>
  23
  24 // libstdc++/9561
  25 void test01()
  26 {
  27   using namespace std;
  28   bool test __attribute__((unused)) = true;
  29
  30   __gnu_test::fail_wstreambuf b;
  31   std::wistream strm (&b);
  32   strm.exceptions (std::wios::badbit);
  33   wchar_t i = 0;
  34
  35   try
  36     {
  37       i = strm.get();
  38       i = strm.get();
  39       i = strm.get();
  40     }
  41   catch (__gnu_test::underflow_error&)
  42     {
  43       // strm should throw facet_error and not do anything else
  44       VERIFY(strm.bad());
  45     }
  46   catch (...)
  47     {
  48       VERIFY( false );
  49     }
  50
  51   VERIFY( i == L's' );
  52 }
  53
  54
  55 int main()
  56 {
  57   test01();
  58   return 0;
  59 }