146 lines
3.3 KiB
C++
146 lines
3.3 KiB
C++
// 1999-08-16 bkoz
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// 1999-11-01 bkoz
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// Copyright (C) 1999, 2000 Free Software Foundation
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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, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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// USA.
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// 27.6.2.5.4 basic_ostream character inserters
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// @require@ %-*.tst %-*.txt
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// @diff@ %-*.tst %-*.txt
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#include <ostream>
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#include <sstream>
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#include <fstream>
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#include <debug_assert.h>
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const int size = 1000;
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const char name_01[] = "ostream_inserter_other-1.tst";
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const char name_02[] = "ostream_inserter_other-1.txt";
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const char name_03[] = "ostream_inserter_other-2.tst";
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const char name_04[] = "ostream_inserter_other-2.txt";
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// stringstream
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int
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test01()
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{
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bool test = true;
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#ifdef DEBUG_ASSERT
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assert(test);
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#endif
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return 0;
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}
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// fstream
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int
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test02()
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{
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typedef std::ios_base::iostate iostate;
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bool test = true;
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// basic_ostream<_CharT, _Traits>::operator<<(__streambuf_type* __sb)
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// filebuf-> NULL
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std::ifstream f_in1(name_01);
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std::ofstream f_out1(name_02);
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std::stringbuf* strbuf01 = NULL;
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iostate state01 = f_in1.rdstate();
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f_in1 >> strbuf01;
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iostate state02 = f_in1.rdstate();
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VERIFY( state01 != state02 );
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VERIFY( (state02 & std::ios_base::failbit) != 0 );
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state01 = f_out1.rdstate();
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f_out1 << strbuf01;
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state02 = f_out1.rdstate();
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VERIFY( state01 != state02 );
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VERIFY( (state02 & std::ios_base::failbit) != 0 );
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// filebuf->filebuf
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std::ifstream f_in(name_01);
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std::ofstream f_out(name_02);
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f_out << f_in.rdbuf();
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f_in.close();
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f_out.close();
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// filebuf->stringbuf->filebuf
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std::ifstream f_in2(name_03);
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std::ofstream f_out2(name_04); // should be different name
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std::stringbuf strbuf02;
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f_in2 >> &strbuf02;
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f_out2 << &strbuf02;
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f_in2.close();
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f_out2.close();
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// no characters inserted
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#ifdef DEBUG_ASSERT
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assert(test);
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#endif
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return 0;
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}
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// via Brent Verner <brent@rcfile.org>
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// http://gcc.gnu.org/ml/libstdc++/2000-06/msg00005.html
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int
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test03(void)
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{
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using namespace std;
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typedef ios::pos_type pos_type;
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const char* TEST_IN = "ostream_inserter_other_in";
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const char* TEST_OUT = "ostream_inserter_other_out";
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pos_type i_read, i_wrote, rs, ws;
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double tf_size = BUFSIZ * 2.5;
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ofstream testfile(TEST_IN);
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for (int i = 0; i < tf_size; ++i)
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testfile.put('.');
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testfile.close();
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ifstream in(TEST_IN);
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ofstream out(TEST_OUT);
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out << in.rdbuf();
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in.seekg(0,ios_base::beg);
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out.seekp(0,ios_base::beg);
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rs = in.tellg();
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ws = out.tellp();
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in.seekg(0,ios_base::end);
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out.seekp(0,ios_base::end);
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i_read = in.tellg() - rs;
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i_wrote = out.tellp() - ws;
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in.close();
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out.close();
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#ifdef DEBUG_ASSERT
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assert(i_read == i_wrote);
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#endif
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return 0;
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}
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int
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main()
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{
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test01();
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test02();
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test03();
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return 0;
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}
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