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// 1999-04-12 bkoz
// Copyright (C) 1999-2019 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// 27.6.1.2.2 arithmetic extractors
// { dg-do run { xfail { lax_strtofp } } }
#include <istream>
#include <sstream>
#include <limits>
#include <testsuite_hooks.h>
// libstdc++/3720
// excess input should not cause a core dump
template<typename T>
void test12_aux(bool integer_type)
{
int digits_overflow;
if (integer_type)
// This many digits will overflow integer types in base 10.
digits_overflow = std::numeric_limits<T>::digits10 + 2;
else
// This might do it, unsure.
digits_overflow = std::numeric_limits<T>::max_exponent10 + 1;
std::string st;
std::string part = "1234567890123456789012345678901234567890";
for (std::size_t i = 0; i < digits_overflow / part.size() + 1; ++i)
st += part;
std::stringbuf sb(st);
std::istream is(&sb);
T t;
is >> t;
VERIFY(is.fail());
}
void test12()
{
test12_aux<short>(true);
test12_aux<int>(true);
test12_aux<long>(true);
test12_aux<float>(false);
test12_aux<double>(false);
test12_aux<long double>(false);
}
int main()
{
test12();
return 0;
}
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