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// 1999-10-14 bkoz
// Copyright (C) 1999-2019 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/>.
// 27.6.1.1.2 class basic_istream::sentry
#include <istream>
#include <sstream>
#include <typeinfo>
#include <ext/pod_char_traits.h>
#include <testsuite_hooks.h>
#include <testsuite_character.h>
void test01()
{
using namespace std;
using __gnu_test::pod_ushort;
typedef basic_string<pod_ushort> string_type;
typedef basic_stringbuf<pod_ushort> stringbuf_type;
typedef basic_istream<pod_ushort> istream_type;
const string_type str01;
stringbuf_type strbuf01;
stringbuf_type strbuf02(str01);
istream_type istr01(&strbuf01);
istream_type istr02(&strbuf02);
// test negatives
try
{
istream_type::sentry sentry01(istr01);
}
catch (std::bad_cast& obj)
{
// Ok, throws bad_cast because locale has no ctype facet.
}
catch (...)
{
VERIFY( false );
}
try
{
istream_type::sentry sentry02(istr01, true);
}
catch (std::bad_cast& obj)
{
// Ok, throws bad_cast because locale has no ctype facet.
}
catch (...)
{
VERIFY( false );
}
// imbued.
const std::locale loc(std::locale::classic(), new std::ctype<pod_ushort>);
istr01.imbue(loc);
try
{
istream_type::sentry sentry01(istr01);
VERIFY( bool(sentry01) == false );
}
catch (...)
{
VERIFY( false );
}
try
{
istream_type::sentry sentry02(istr01, true);
VERIFY( bool(sentry02) == false );
}
catch (...)
{
VERIFY( false );
}
// test positive
try
{
istream_type::sentry sentry03(istr02);
}
catch (std::bad_cast& obj)
{
// Ok, throws bad_cast because locale has no ctype facet.
}
catch (...)
{
VERIFY( false );
}
try
{
istream_type::sentry sentry04(istr02, true);
}
catch (std::bad_cast& obj)
{
// Ok, throws bad_cast because locale has no ctype facet.
}
catch (...)
{
VERIFY( false );
}
// imbued.
istr02.imbue(loc);
try
{
istr02.clear();
istream_type::sentry sentry03(istr02);
// ... as eofbit set.
VERIFY( bool(sentry03) == false );
}
catch (...)
{
VERIFY( false );
}
try
{
istr02.clear();
istream_type::sentry sentry04(istr02, true);
VERIFY( bool(sentry04) == true );
}
catch (...)
{
VERIFY( false );
}
}
#if !__GXX_WEAK__
// Explicitly instantiate for systems with no COMDAT or weak support.
template
const std::basic_string<__gnu_test::pod_ushort>::size_type
std::basic_string<__gnu_test::pod_ushort>::_Rep::_S_max_size;
template
const __gnu_test::pod_ushort
std::basic_string<__gnu_test::pod_ushort>::_Rep::_S_terminal;
#endif
int main()
{
test01();
return 0;
}
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