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// 1999-04-12 bkoz
// Copyright (C) 1999-2024 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
#include <istream>
#include <sstream>
#include <locale>
#include <limits>
#include <testsuite_hooks.h>
// libstdc++/3720 part two
void test13()
{
using namespace std;
const char* l2 = "1.2345678901234567890123456789012345678901234567890123456"
" "
"1246.9";
// 1
// used to core.
double d;
istringstream iss1(l2);
iss1 >> d;
iss1 >> d;
VERIFY (d > 1246 && d < 1247);
// 2
// quick test for failbit on maximum length extraction.
int i;
int max_digits = numeric_limits<int>::digits10 + 1;
string digits;
for (int j = 0; j < max_digits; ++j)
digits += '1';
istringstream iss2(digits);
iss2 >> i;
VERIFY( !iss2.fail() );
digits += '1';
i = 0;
iss2.str(digits);
iss2.clear();
iss2 >> i;
VERIFY( i == numeric_limits<int>::max() );
VERIFY( iss2.fail() );
}
int main()
{
test13();
return 0;
}
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