toolchain/gcc/libstdc++-v3/testsuite/27_io/basic_istream/extractors_arithmetic/char/exceptions_badbit_throw.cc

   1 // 2003-03-08  Jerry Quinn  <jlquinn@optonline.net>
   2
   3 // Copyright (C) 2003 Free Software Foundation, Inc.
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 2, or (at your option)
   9 // any later version.
  10
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING.  If not, write to the Free
  18 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  19 // USA.
  20
  21 #include <locale>
  22 #include <sstream>
  23 #include <testsuite_hooks.h>
  24 #include <testsuite_io.h>
  25
  26 // libstdc++/9561
  27 template<typename T>
  28 void test_badbit()
  29 {
  30   using namespace std;
  31   bool test __attribute__((unused)) = true;
  32
  33   locale loc(locale::classic(), new __gnu_test::fail_num_get);
  34   istringstream stream("jaylib - champion sound");
  35   stream.imbue(loc);
  36
  37   stream.exceptions(ios_base::badbit);
  38   VERIFY( stream.rdstate() == ios_base::goodbit );
  39
  40   try
  41     {
  42       T i;
  43       stream >> i;
  44       VERIFY( false );
  45     }
  46   catch (const __gnu_test::facet_error&)
  47     {
  48       // stream should set badbit and rethrow facet_error.
  49       VERIFY( stream.bad() );
  50       VERIFY( (stream.rdstate() & ios_base::failbit) == 0 );
  51       VERIFY( !stream.eof() );
  52     }
  53   catch (...)
  54     {
  55       VERIFY(false);
  56     }
  57 }
  58
  59
  60 int main()
  61 {
  62   test_badbit<bool>();
  63   test_badbit<short>();
  64   test_badbit<unsigned short>();
  65   test_badbit<int>();
  66   test_badbit<unsigned int>();
  67   test_badbit<long>();
  68   test_badbit<unsigned long>();
  69
  70   test_badbit<float>();
  71   test_badbit<double>();
  72
  73   test_badbit<void*>();
  74
  75   return 0;
  76 }