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// Copyright (C) 2004-2018 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/>.
// 27.6.1.3 unformatted input functions
#include <istream>
#include <sstream>
#include <testsuite_hooks.h>
void
test01()
{
const std::wstring str_01;
const std::wstring str_02(L"soul eyes: john coltrane quartet");
std::wstring strtmp;
std::wstringbuf isbuf_03(str_02, std::ios_base::in);
std::wstringbuf isbuf_04(str_02, std::ios_base::in);
std::wstringbuf isbuf_05(str_02, std::ios_base::in);
std::wistream is_00(&isbuf_05);
std::wistream is_03(&isbuf_03);
std::wistream is_04(&isbuf_04);
std::ios_base::iostate state1, state2;
// istream& putback(char_type c)
is_04.ignore(30);
is_04.clear();
state1 = is_04.rdstate();
is_04.putback(L't');
VERIFY( is_04.gcount() == 0 ); // DR 60
state2 = is_04.rdstate();
VERIFY( state1 == state2 );
VERIFY( is_04.peek() == L't' );
// istream& unget()
is_04.clear();
state1 = is_04.rdstate();
is_04.unget();
VERIFY( is_04.gcount() == 0 ); // DR 60
state2 = is_04.rdstate();
VERIFY( state1 == state2 );
VERIFY( is_04.peek() == L'r' );
// int sync()
is_00.ignore(10);
int count1 = is_00.gcount();
is_00.sync();
int count2 = is_00.gcount();
VERIFY (count1 == count2 ); // DR 60
}
int
main()
{
test01();
return 0;
}
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