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// Copyright (C) 2004-2019 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/>.
// 27.6.1.2.3 character extractors
#include <istream>
#include <sstream>
#include <testsuite_hooks.h>
void test02()
{
std::wstring str_01;
const std::wstring str_02(L"or coltrane playing tunji with jimmy garrison");
const std::wstring str_03(L"coltrane");
std::wstringbuf isbuf_01(std::ios_base::in);
std::wstringbuf isbuf_02(str_02, std::ios_base::in);
std::wistream is_01(0);
std::wistream is_02(&isbuf_02);
std::ios_base::iostate state1, state2, statefail;
statefail = std::ios_base::failbit;
// template<_CharT, _Traits>
// basic_istream& operator>>(istream&, _CharT&)
wchar_t c1 = L'c', c2 = L'c';
state1 = is_01.rdstate();
is_01 >> c1;
state2 = is_01.rdstate();
VERIFY( state1 != state2 );
VERIFY( c1 == c2 );
VERIFY( static_cast<bool>(state2 & statefail) );
state1 = is_02.rdstate();
is_02 >> c1;
state2 = is_02.rdstate();
VERIFY( state1 == state2 );
VERIFY( c1 == L'o' );
is_02 >> c1;
is_02 >> c1;
VERIFY( c1 == L'c' );
VERIFY( !static_cast<bool>(state2 & statefail) );
}
int main()
{
test02();
return 0;
}
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