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// Copyright (C) 2018-2024 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/>.
// { dg-do run { target *-*-mingw* } }
// { dg-require-fileio "" }
#include <fstream>
#include <testsuite_hooks.h>
const wchar_t name_01[] = L"filebuf_members-1.tst";
const wchar_t name_02[] = L"filebuf_members-1.txt";
// Test member functions.
void test01()
{
const wchar_t* name_03 = L"filebuf_members-w3"; // 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 wchar_t* __s, ios_base::openmode __mode)
fb_01.open(name_01, std::ios_base::in | std::ios_base::ate);
VERIFY( fb_01.is_open() );
// Try to open two different files without closing the first:
// Should keep the old file attached, and disregard attempt to overthrow.
std::filebuf* f = fb_02.open(name_02, std::ios_base::in | std::ios_base::out
| std::ios_base::trunc);
VERIFY( f );
VERIFY( fb_02.is_open() );
f = fb_02.open(name_03, std::ios_base::in | std::ios_base::out);
VERIFY( !f );
VERIFY( fb_02.is_open() );
fb_03.open(name_03, std::ios_base::out | std::ios_base::trunc);
VERIFY( fb_03.is_open() );
}
void test02()
{
std::wfilebuf fb;
fb.open(name_01, std::wios::in);
VERIFY( fb.is_open() );
}
int
main()
{
test01();
test02();
}
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