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// Copyright (C) 2001-2019 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/>.
// 27.8.1.3 filebuf member functions
// @require@ %-*.tst %-*.txt
// @diff@ %-*.tst %-*.txt
// various tests for filebuf::open() and filebuf::close() including
// the non-portable functionality in the libstdc++-v3 IO library
// { dg-require-fileio "" }
#include <fstream>
#include <testsuite_hooks.h>
const char name_01[] = "filebuf_members-1.tst";
const char name_02[] = "filebuf_members-1.txt";
// Test member functions.
void test_01()
{
const char* name_03 = "filebuf_members-3"; // empty file, need to create
std::filebuf fb_01; // in
std::filebuf fb_02; // out
std::filebuf fb_03; // in | out
// bool is_open()
VERIFY( !fb_01.is_open() );
VERIFY( !fb_02.is_open() );
VERIFY( !fb_03.is_open() );
// filebuf_type* open(const char* __s, ios_base::openmode __mode)
fb_01.open(name_01, std::ios_base::in | std::ios_base::ate);
fb_02.open(name_02, std::ios_base::in | std::ios_base::out
| std::ios_base::trunc);
fb_03.open(name_03, std::ios_base::out | std::ios_base::trunc);
VERIFY( fb_01.is_open() );
VERIFY( fb_02.is_open() );
VERIFY( fb_03.is_open() );
// filebuf_type* close()
fb_01.close();
fb_02.close();
fb_03.close();
VERIFY( !fb_01.is_open() );
VERIFY( !fb_02.is_open() );
VERIFY( !fb_03.is_open() );
}
int
main()
{
test_01();
return 0;
}
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