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// 2003-12-19 Paolo Carlini <pcarlini@suse.de>
// Copyright (C) 2003-2022 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/>.
// 22.2.2.1.1 num_get members
#include <locale>
#include <sstream>
#include <testsuite_hooks.h>
void test01()
{
using namespace std;
typedef istreambuf_iterator<wchar_t> iterator_type;
wistringstream iss;
const num_get<wchar_t>& ng = use_facet<num_get<wchar_t> >(iss.getloc());
ios_base::iostate err = ios_base::goodbit;
iterator_type end;
float f = 1.0f;
double d = 1.0;
long double ld = 1.0l;
iss.str(L"1e.");
err = ios_base::goodbit;
end = ng.get(iss.rdbuf(), 0, iss, err, f);
VERIFY( err == ios_base::failbit );
VERIFY( *end == L'.' );
VERIFY( f == 0.0f );
iss.str(L"3e+");
iss.clear();
err = ios_base::goodbit;
end = ng.get(iss.rdbuf(), 0, iss, err, d);
VERIFY( err == (ios_base::failbit | ios_base::eofbit) );
VERIFY( d == 0.0 );
iss.str(L"6e ");
iss.clear();
err = ios_base::goodbit;
end = ng.get(iss.rdbuf(), 0, iss, err, ld);
VERIFY( *end == L' ' );
// libstdc++/37624. We can't always obtain the required behavior
// when sscanf is involved, because of, e.g., glibc/1765.
#if defined(_GLIBCXX_HAVE_STRTOLD) && !defined(_GLIBCXX_HAVE_BROKEN_STRTOLD)
VERIFY( err == ios_base::failbit );
VERIFY( ld == 0.0l );
#endif
}
int main()
{
test01();
return 0;
}
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