libstdc++-v3/testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/exceptions_badbit_throw.cc

   1 // Copyright (C) 2004-2022 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 #include <locale>
  19 #include <sstream>
  20 #include <testsuite_hooks.h>
  21 #include <testsuite_io.h>
  22
  23 // libstdc++/9561
  24 template<typename T>
  25 void test_badbit()
  26 {
  27   using namespace std;
  28
  29   locale loc(locale::classic(), new __gnu_test::fail_num_get_wchar_t);
  30   wistringstream stream(L"jaylib - champion sound");
  31   stream.imbue(loc);
  32
  33   stream.exceptions(ios_base::badbit);
  34   VERIFY( stream.rdstate() == ios_base::goodbit );
  35
  36   try
  37     {
  38       T i;
  39       stream >> i;
  40       VERIFY( false );
  41     }
  42   catch (const __gnu_test::facet_error&)
  43     {
  44       // stream should set badbit and rethrow facet_error.
  45       VERIFY( stream.bad() );
  46       VERIFY( (stream.rdstate() & ios_base::failbit) == 0 );
  47       VERIFY( !stream.eof() );
  48     }
  49   catch (...)
  50     {
  51       VERIFY(false);
  52     }
  53 }
  54
  55
  56 int main()
  57 {
  58   test_badbit<bool>();
  59   test_badbit<short>();
  60   test_badbit<unsigned short>();
  61   test_badbit<int>();
  62   test_badbit<unsigned int>();
  63   test_badbit<long>();
  64   test_badbit<unsigned long>();
  65
  66   test_badbit<float>();
  67   test_badbit<double>();
  68
  69   test_badbit<void*>();
  70
  71   return 0;
  72 }