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// Copyright (C) 2004-2024 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/>.
// 27.6.1.1.2 class basic_istream::sentry
#include <istream>
#include <sstream>
#include <testsuite_hooks.h>
void test01()
{
const wchar_t* lit01 = L"stereolab on the bolsinga tip";
const std::wstring str01(lit01);
std::wstringbuf strbuf01;
std::wstringbuf strbuf02(str01);
std::wistream istr01(&strbuf01);
std::wistream istr02(&strbuf02);
// test negatives
std::wistream::sentry sentry01(istr01);
VERIFY( bool(sentry01) == false );
std::wistream::sentry sentry02(istr01, true);
VERIFY( bool(sentry02) == false );
// positive tests
std::wistream::sentry sentry03(istr02);
VERIFY( bool(sentry03) == true );
std::wistream::sentry sentry04(istr02, true);
VERIFY( bool(sentry04) == true );
}
int main()
{
test01();
return 0;
}
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