// Copyright (C) 2004-2023 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
// .
// 27.6.1.2.2 arithmetic extractors
#include
#include
#include
#include
#include
// libstdc++/3720 part two
void test13()
{
using namespace std;
const wchar_t* l2 = L"1.2345678901234567890123456789012345678901234567890123456"
L" "
L"1246.9";
// 1
// used to core.
double d;
wistringstream 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::digits10 + 1;
wstring digits;
for (int j = 0; j < max_digits; ++j)
digits += L'1';
wistringstream iss2(digits);
iss2 >> i;
VERIFY( !iss2.fail() );
digits += L'1';
i = 0;
iss2.str(digits);
iss2.clear();
iss2 >> i;
VERIFY( i == numeric_limits::max() );
VERIFY( iss2.fail() );
}
int main()
{
test13();
return 0;
}