// { dg-require-swprintf "" }
// Copyright (C) 2005, 2006, 2007, 2009 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
// .
#include // for swprintf
#include
#include
#include
#include
#include
void
test02()
{
using namespace std;
bool test __attribute__((unused)) = true;
// make sure we can output a very long float
long double val = numeric_limits::max();
int prec = numeric_limits::digits10;
wostringstream os;
os.precision(prec);
os.setf(wios::scientific);
os << val;
wchar_t largebuf[512];
swprintf(largebuf, 512, L"%.*Le", prec, val);
#ifdef TEST_NUMPUT_VERBOSE
cout << "expect: " << largebuf << endl;
cout << "result: " << os.str() << endl;
#endif
VERIFY( os && os.str() == largebuf );
// Make sure we can output a long float in fixed format
// without seg-faulting (libstdc++/4402)
double val2 = numeric_limits::max();
wostringstream os2;
os2.precision(3);
os2.setf(wios::fixed);
os2 << val2;
swprintf(largebuf, 512, L"%.*f", 3, val2);
#ifdef TEST_NUMPUT_VERBOSE
cout << "expect: " << largebuf << endl;
cout << "result: " << os2.str() << endl;
#endif
VERIFY( os2 && os2.str() == largebuf );
}
int
main()
{
test02();
return 0;
}