75 lines
2.1 KiB
C++
75 lines
2.1 KiB
C++
// Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 2, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING. If not, write to the Free
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// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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// USA.
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// 27.8.1.3 filebuf member functions
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// @require@ %-*.tst %-*.txt
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// @diff@ %-*.tst %-*.txt
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// various tests for filebuf::open() and filebuf::close() including
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// the non-portable functionality in the libstdc++-v3 IO library
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// { dg-require-fileio "" }
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#include <fstream>
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#include <testsuite_hooks.h>
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const char name_01[] = "filebuf_members-1.tst";
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const char name_02[] = "filebuf_members-1.txt";
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// Test member functions.
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void test_01()
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{
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bool test __attribute__((unused)) = true;
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const char* name_03 = "filebuf_members-3"; // empty file, need to create
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std::filebuf fb_01; // in
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std::filebuf fb_02; // out
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std::filebuf fb_03; // in | out
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// bool is_open()
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VERIFY( !fb_01.is_open() );
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VERIFY( !fb_02.is_open() );
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VERIFY( !fb_03.is_open() );
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// filebuf_type* open(const char* __s, ios_base::openmode __mode)
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fb_01.open(name_01, std::ios_base::in | std::ios_base::ate);
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fb_02.open(name_02, std::ios_base::in | std::ios_base::out
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| std::ios_base::trunc);
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fb_03.open(name_03, std::ios_base::out | std::ios_base::trunc);
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VERIFY( fb_01.is_open() );
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VERIFY( fb_02.is_open() );
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VERIFY( fb_03.is_open() );
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// filebuf_type* close()
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fb_01.close();
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fb_02.close();
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fb_03.close();
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VERIFY( !fb_01.is_open() );
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VERIFY( !fb_02.is_open() );
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VERIFY( !fb_03.is_open() );
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}
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int
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main()
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{
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test_01();
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return 0;
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}
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