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

   1 // Copyright (C) 2003-2024 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   __gnu_test::fail_streambuf bib;
  30   istream stream(&bib);
  31   stream.exceptions(ios_base::failbit);
  32   stringbuf sbuf("", ios_base::out);
  33
  34   try
  35     {
  36       stream >> &sbuf;
  37       VERIFY(false);
  38     }
  39   catch (ios_base::failure&)
  40     { VERIFY(false); }
  41   catch (__gnu_test::underflow_error&)
  42     { }
  43   catch (...)
  44     { VERIFY(false); }
  45
  46   VERIFY(stream.rdstate() & ios_base::failbit);
  47   VERIFY((stream.rdstate() & ios_base::badbit) == 0);
  48 }
  49
  50 void test12()
  51 {
  52   istringstream stream("foo, bar, qux");
  53   stream.exceptions(ios_base::failbit);
  54   __gnu_test::fail_streambuf bob;
  55
  56   try
  57     {
  58       stream >> &bob;
  59       VERIFY(false);
  60     }
  61   catch (ios_base::failure&)
  62     { VERIFY(false); }
  63   catch (__gnu_test::overflow_error&)
  64     { }
  65   catch (...)
  66     { VERIFY(false); }
  67
  68   VERIFY(stream.rdstate() & ios_base::failbit);
  69   VERIFY((stream.rdstate() & ios_base::badbit) == 0);
  70 }
  71
  72 // libstdc++/9371
  73 int main()
  74 {
  75   test10();
  76   test12();
  77   return 0;
  78 }