b2dad0e372
2000-04-21 Benjamin Kosnik <bkoz@redhat.com> * libstdc++-v3: New directory. From-SVN: r33317
583 lines
16 KiB
C++
583 lines
16 KiB
C++
// 1999-08-11 bkoz
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// Copyright (C) 1999 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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// 27.6.1.3 unformatted input functions
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#include <istream>
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#include <sstream>
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#include <fstream>
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#ifdef DEBUG_ASSERT
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#include <assert.h>
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#endif
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bool test01() {
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typedef std::ios::traits_type traits_type;
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bool test = true;
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const std::string str_01;
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const std::string str_02("soul eyes: john coltrane quartet");
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std::string strtmp;
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std::stringbuf isbuf_03(str_02, std::ios_base::in);
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std::stringbuf isbuf_04(str_02, std::ios_base::in);
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std::istream is_00(NULL);
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std::istream is_03(&isbuf_03);
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std::istream is_04(&isbuf_04);
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std::ios_base::iostate state1, state2, statefail, stateeof;
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statefail = std::ios_base::failbit;
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stateeof = std::ios_base::eofbit;
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// istream& read(char_type* s, streamsize n)
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char carray[60] = "";
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state1 = is_04.rdstate();
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is_04.read(carray, 0);
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state2 = is_04.rdstate();
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test &= state1 == state2;
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state1 = is_04.rdstate();
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is_04.read(carray, 9);
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state2 = is_04.rdstate();
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test &= state1 == state2;
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test &= !strncmp(carray, "soul eyes", 9);
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test &= is_04.peek() == ':';
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state1 = is_03.rdstate();
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is_03.read(carray, 60);
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state2 = is_03.rdstate();
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test &= state1 != state2;
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test &= static_cast<bool>(state2 & stateeof);
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test &= static_cast<bool>(state2 & statefail);
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test &= !strncmp(carray, "soul eyes: john coltrane quartet", 35);
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// istream& ignore(streamsize n = 1, int_type delim = traits::eof())
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state1 = is_04.rdstate();
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is_04.ignore();
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test &= is_04.gcount() == 1;
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state2 = is_04.rdstate();
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test &= state1 == state2;
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test &= is_04.peek() == ' ';
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state1 = is_04.rdstate();
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is_04.ignore(0);
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test &= is_04.gcount() == 0;
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state2 = is_04.rdstate();
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test &= state1 == state2;
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test &= is_04.peek() == ' ';
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state1 = is_04.rdstate();
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is_04.ignore(5, traits_type::to_int_type(' '));
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test &= is_04.gcount() == 1;
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state2 = is_04.rdstate();
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test &= state1 == state2;
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test &= is_04.peek() == 'j';
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// int_type peek()
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state1 = is_04.rdstate();
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test &= is_04.peek() == 'j';
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test &= is_04.gcount() == 0;
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state2 = is_04.rdstate();
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test &= state1 == state2;
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is_04.ignore(30);
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state1 = is_04.rdstate();
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test &= is_04.peek() == traits_type::eof();
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test &= is_04.gcount() == 0;
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state2 = is_04.rdstate();
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test &= state1 == state2;
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// istream& putback(char c)
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is_04.clear();
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state1 = is_04.rdstate();
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is_04.putback('|');
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test &= is_04.gcount() == 0;
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state2 = is_04.rdstate();
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test &= state1 == state2;
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test &= is_04.peek() == '|';
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// istream& unget()
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is_04.clear();
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state1 = is_04.rdstate();
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is_04.unget();
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test &= is_04.gcount() == 0;
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state2 = is_04.rdstate();
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test &= state1 == state2;
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test &= is_04.peek() == 'e';
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// int sync()
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int i = is_00.sync();
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#ifdef DEBUG_ASSERT
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assert(test);
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#endif
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return test;
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}
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bool test02(void)
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{
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typedef std::char_traits<char> traits_type;
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bool test = true;
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const char str_lit01[] = " sun*ra
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and his myth science arkestra present
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angles and demons @ play
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the nubians of plutonia";
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std::string str01(str_lit01);
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std::string strtmp;
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std::stringbuf sbuf_04(str01, std::ios_base::in);
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std::istream is_00(NULL);
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std::istream is_04(&sbuf_04);
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std::ios_base::iostate state1, state2, statefail, stateeof;
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statefail = std::ios_base::failbit;
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stateeof = std::ios_base::eofbit;
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std::streamsize count1, count2;
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char carray1[400] = "";
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// istream& getline(char* s, streamsize n, char delim)
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// istream& getline(char* s, streamsize n)
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state1 = is_00.rdstate();
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is_00.getline(carray1, 20, '*');
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state2 = is_00.rdstate();
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test &= is_04.gcount() == 0;
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test &= state1 != state2;
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test &= bool(state2 & statefail);
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state1 = is_04.rdstate();
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is_04.getline(carray1, 1, '\t'); // extracts, throws away
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state2 = is_04.rdstate();
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test &= is_04.gcount() == 1;
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test &= state1 == state2;
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test &= state1 == 0;
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test &= !traits_type::compare("", carray1, 1);
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state1 = is_04.rdstate();
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is_04.getline(carray1, 20, '*');
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state2 = is_04.rdstate();
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test &= is_04.gcount() == 10;
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test &= state1 == state2;
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test &= state1 == 0;
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test &= !traits_type::compare("\t\t sun", carray1, 10);
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state1 = is_04.rdstate();
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is_04.getline(carray1, 20);
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state2 = is_04.rdstate();
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test &= is_04.gcount() == 4;
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test &= state1 == state2;
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test &= state1 == 0;
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test &= !traits_type::compare("ra ", carray1, 4);
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state1 = is_04.rdstate();
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is_04.getline(carray1, 65);
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state2 = is_04.rdstate();
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test &= is_04.gcount() == 64;
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test &= state1 != state2;
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test &= state2 == statefail;
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test &= !traits_type::compare(" and his myth science arkestra presen", carray1, 65);
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is_04.clear();
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state1 = is_04.rdstate();
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is_04.getline(carray1, 120, '|');
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state2 = is_04.rdstate();
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test &= is_04.gcount() == 106;
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test &= state1 != state2;
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test &= state2 == stateeof;
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is_04.clear();
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state1 = is_04.rdstate();
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is_04.getline(carray1, 100, '|');
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state2 = is_04.rdstate();
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test &= is_04.gcount() == 0;
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test &= state1 != state2;
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test &= static_cast<bool>(state2 & stateeof);
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test &= static_cast<bool>(state2 & statefail);
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#ifdef DEBUG_ASSERT
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assert(test);
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#endif
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return test;
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}
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bool test03(void)
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{
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typedef std::char_traits<char> traits_type;
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bool test = true;
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const char str_lit01[] = " sun*ra
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& his arkestra, featuring john gilmore:
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jazz in silhouette: images and forecasts of tomorrow";
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std::string str01(str_lit01);
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std::string strtmp;
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std::stringbuf sbuf_03;
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std::stringbuf sbuf_04(str01, std::ios_base::in);
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std::stringbuf sbuf_05(str01, std::ios_base::in);
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std::istream is_00(NULL);
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std::istream is_04(&sbuf_04);
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std::istream is_05(&sbuf_05);
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std::ios_base::iostate state1, state2, statefail, stateeof;
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statefail = std::ios_base::failbit;
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stateeof = std::ios_base::eofbit;
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std::streamsize count1, count2;
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char carray1[400] = "";
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// int_type get()
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// istream& get(char*, streamsize, char delim)
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// istream& get(char*, streamsize)
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// istream& get(streambuf&, char delim)
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// istream& get(streambuf&)
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is_00.get(carray1, 2);
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test &= static_cast<bool>(is_00.rdstate() & statefail);
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test &= is_00.gcount() == 0;
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is_04.get(carray1, 4);
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test &= !(is_04.rdstate() & statefail);
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test &= !traits_type::compare(carray1, " ", 4);
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test &= is_04.gcount() == 3;
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is_04.clear();
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is_04.get(carray1 + 3, 200);
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test &= !(is_04.rdstate() & statefail);
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test &= !(is_04.rdstate() & stateeof);
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test &= !traits_type::compare(carray1, str_lit01, 10);
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test &= is_04.gcount() == 7;
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is_04.clear();
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is_04.get(carray1, 200);
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test &= !(is_04.rdstate() & stateeof);
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test &= static_cast<bool>(is_04.rdstate() & statefail); // delimiter
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test &= is_04.gcount() == 0;
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is_04.clear();
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is_04.get(carray1, 200, '[');
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test &= static_cast<bool>(is_04.rdstate() & stateeof);
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test &= !(is_04.rdstate() & statefail);
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test &= is_04.gcount() == 125;
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is_04.clear();
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is_04.get(carray1, 200);
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test &= static_cast<bool>(is_04.rdstate() & stateeof);
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test &= static_cast<bool>(is_04.rdstate() & statefail);
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test &= is_04.gcount() == 0;
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std::stringbuf sbuf_02(std::ios_base::in);
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is_05.clear();
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is_05.get(sbuf_02);
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test &= is_05.gcount() == 0;
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test &= static_cast<bool>(is_05.rdstate() & statefail);
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test &= !(is_05.rdstate() & stateeof);
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is_05.clear();
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is_05.get(sbuf_03);
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test &= is_05.gcount() == 10;
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test &= sbuf_03.str() == " sun*ra ";
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test &= !(is_05.rdstate() & statefail);
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test &= !(is_05.rdstate() & stateeof);
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is_05.clear();
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is_05.get(sbuf_03, '|');
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test &= is_05.gcount() == 125;
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test &= sbuf_03.str() == str_lit01;
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test &= !(is_05.rdstate() & statefail);
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test &= static_cast<bool>(is_05.rdstate() & stateeof);
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is_05.clear();
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is_05.get(sbuf_03, '|');
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test &= is_05.gcount() == 0;
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test &= static_cast<bool>(is_05.rdstate() & stateeof);
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test &= static_cast<bool>(is_05.rdstate() & statefail);
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#ifdef DEBUG_ASSERT
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assert(test);
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#endif
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return test;
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}
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// fstreams
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void test04(void)
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{
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bool test = true;
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std::istream::pos_type pos01, pos02, pos03, pos04, pos05, pos06;
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std::ios_base::iostate state01, state02;
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const char str_lit01[] = "testsuite/istream_unformatted-1.txt";
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const char str_lit02[] = "testsuite/istream_unformatted-2.txt";
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std::ifstream if01(str_lit01, std::ios_base::in | std::ios_base::out);
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std::ifstream if02(str_lit01, std::ios_base::in);
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std::ifstream if03(str_lit02, std::ios_base::out | std::ios_base::trunc);
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test &= if01.good();
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test &= if02.good();
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test &= if03.good();
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std::istream is01(if01.rdbuf());
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std::istream is02(if02.rdbuf());
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std::istream is03(if03.rdbuf());
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// pos_type tellg()
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// in | out
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pos01 = is01.tellg();
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pos02 = is01.tellg();
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test &= pos01 == pos02;
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// test &= istream::pos_type(0) != pos01; //depricated
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// in
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pos03 = is02.tellg();
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pos04 = is02.tellg();
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test &= pos03 == pos04;
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// test &= istream::pos_type(0) != pos03; //depricated
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// out
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pos05 = is03.tellg();
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pos06 = is03.tellg();
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test &= pos05 == pos06;
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// test &= istream::pos_type(0) != pos01; //depricated
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// istream& seekg(pos_type)
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// istream& seekg(off_type, ios_base::seekdir)
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// cur
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// NB: see library issues list 136. It's the v-3 interp that seekg
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// only sets the input buffer, or else istreams with buffers that
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// have _M_mode == ios_base::out will fail to have consistency
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// between seekg and tellg.
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state01 = is01.rdstate();
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is01.seekg(10, std::ios_base::cur);
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state02 = is01.rdstate();
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pos01 = is01.tellg();
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test &= pos01 == pos02 + 10;
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test &= state01 == state02;
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pos02 = is01.tellg();
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test &= pos02 == pos01;
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state01 = is02.rdstate();
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is02.seekg(10, std::ios_base::cur);
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state02 = is02.rdstate();
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pos03 = is02.tellg();
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test &= pos03 == pos04 + 10;
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test &= state01 == state02;
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pos04 = is02.tellg();
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test &= pos03 == pos04;
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state01 = is03.rdstate();
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is03.seekg(10, std::ios_base::cur);
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state02 = is03.rdstate();
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pos05 = is03.tellg();
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test &= pos05 == pos06 + 10;
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test &= state01 == state02;
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pos06 = is03.tellg();
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test &= pos05 == pos06;
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// beg
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state01 = is01.rdstate();
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is01.seekg(20, std::ios_base::beg);
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state02 = is01.rdstate();
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pos01 = is01.tellg();
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test &= pos01 == pos02 + 10;
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test &= state01 == state02;
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pos02 = is01.tellg();
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test &= pos02 == pos01;
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state01 = is02.rdstate();
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is02.seekg(20, std::ios_base::beg);
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state02 = is02.rdstate();
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pos03 = is02.tellg();
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test &= pos03 == pos04 + 10;
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test &= state01 == state02;
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pos04 = is02.tellg();
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test &= pos03 == pos04;
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state01 = is03.rdstate();
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is03.seekg(20, std::ios_base::beg);
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state02 = is03.rdstate();
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pos05 = is03.tellg();
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test &= pos05 == pos06 + 10;
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test &= state01 == state02;
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pos06 = is03.tellg();
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test &= pos05 == pos06;
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#ifdef DEBUG_ASSERT
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assert(test);
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#endif
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}
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// stringstreams
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void test05(void)
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{
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bool test = true;
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std::istream::pos_type pos01, pos02, pos03, pos04, pos05, pos06;
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std::ios_base::iostate state01, state02;
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const char str_lit01[] = "testsuite/istream_unformatted-1.tst";
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std::ifstream if01(str_lit01);
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std::ifstream if02(str_lit01);
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std::ifstream if03(str_lit01);
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test &= if01.good();
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test &= if02.good();
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test &= if03.good();
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std::stringbuf strbuf01(std::ios_base::in | std::ios_base::out);
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if01 >> &strbuf01;
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// initialize stringbufs that are ios_base::out
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std::stringbuf strbuf03(strbuf01.str(), std::ios_base::out);
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// initialize stringbufs that are ios_base::in
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std::stringbuf strbuf02(strbuf01.str(), std::ios_base::in);
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std::istream is01(&strbuf01);
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std::istream is02(&strbuf02);
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std::istream is03(&strbuf03);
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// pos_type tellg()
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// in | out
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pos01 = is01.tellg();
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pos02 = is01.tellg();
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test &= pos01 == pos02;
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// test &= istream::pos_type(0) != pos01; // deprecated
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// in
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pos03 = is02.tellg();
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pos04 = is02.tellg();
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test &= pos03 == pos04;
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// test &= istream::pos_type(0) != pos03; // deprecated
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// out
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pos05 = is03.tellg();
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pos06 = is03.tellg();
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test &= pos05 == pos06;
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// test &= istream::pos_type(0) != pos01; //deprecated
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// istream& seekg(pos_type)
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// istream& seekg(off_type, ios_base::seekdir)
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// cur
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// NB: see library issues list 136. It's the v-3 interp that seekg
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// only sets the input buffer, or else istreams with buffers that
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// have _M_mode == ios_base::out will fail to have consistency
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// between seekg and tellg.
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state01 = is01.rdstate();
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is01.seekg(10, std::ios_base::cur);
|
|
state02 = is01.rdstate();
|
|
pos01 = is01.tellg();
|
|
test &= pos01 == pos02 + 10;
|
|
test &= state01 == state02;
|
|
pos02 = is01.tellg();
|
|
test &= pos02 == pos01;
|
|
|
|
state01 = is02.rdstate();
|
|
is02.seekg(10, std::ios_base::cur);
|
|
state02 = is02.rdstate();
|
|
pos03 = is02.tellg();
|
|
test &= pos03 == pos04 + 10;
|
|
test &= state01 == state02;
|
|
pos04 = is02.tellg();
|
|
test &= pos03 == pos04;
|
|
|
|
state01 = is03.rdstate();
|
|
is03.seekg(10, std::ios_base::cur);
|
|
state02 = is03.rdstate();
|
|
pos05 = is03.tellg();
|
|
test &= pos05 == pos06; // as only out buffer
|
|
test &= state01 == state02;
|
|
pos06 = is03.tellg();
|
|
test &= pos05 == pos06;
|
|
|
|
// beg
|
|
state01 = is01.rdstate();
|
|
is01.seekg(20, std::ios_base::beg);
|
|
state02 = is01.rdstate();
|
|
pos01 = is01.tellg();
|
|
test &= pos01 == pos02 + 10;
|
|
test &= state01 == state02;
|
|
pos02 = is01.tellg();
|
|
test &= pos02 == pos01;
|
|
|
|
state01 = is02.rdstate();
|
|
is02.seekg(20, std::ios_base::beg);
|
|
state02 = is02.rdstate();
|
|
pos03 = is02.tellg();
|
|
test &= pos03 == pos04 + 10;
|
|
test &= state01 == state02;
|
|
pos04 = is02.tellg();
|
|
test &= pos03 == pos04;
|
|
|
|
state01 = is03.rdstate();
|
|
is03.seekg(20, std::ios_base::beg);
|
|
state02 = is03.rdstate();
|
|
pos05 = is03.tellg();
|
|
test &= pos05 == pos06; // as only out buffer
|
|
test &= state01 == state02;
|
|
pos06 = is03.tellg();
|
|
test &= pos05 == pos06;
|
|
|
|
#ifdef DEBUG_ASSERT
|
|
assert(test);
|
|
#endif
|
|
}
|
|
|
|
// http://sourceware.cygnus.com/ml/libstdc++/2000-q1/msg00177.html
|
|
void test06()
|
|
{
|
|
bool test = true;
|
|
|
|
const std::string str_00("Red_Garland_Qunitet-Soul_Junction");
|
|
std::string strtmp;
|
|
char c_array[str_00.size() + 4];
|
|
|
|
std::stringbuf isbuf_00(str_00, std::ios_base::in);
|
|
std::istream is_00(&isbuf_00);
|
|
std::ios_base::iostate state1, state2, statefail, stateeof;
|
|
statefail = std::ios_base::failbit;
|
|
stateeof = std::ios_base::eofbit;
|
|
|
|
state1 = stateeof | statefail;
|
|
test &= is_00.gcount() == 0;
|
|
is_00.read(c_array, str_00.size() + 1);
|
|
test &= is_00.gcount() == str_00.size();
|
|
test &= is_00.rdstate() == state1;
|
|
|
|
is_00.read(c_array, str_00.size());
|
|
test &= is_00.rdstate() == state1;
|
|
|
|
#ifdef DEBUG_ASSERT
|
|
assert(test);
|
|
#endif
|
|
}
|
|
|
|
int main()
|
|
{
|
|
test01();
|
|
test02();
|
|
test03();
|
|
test04();
|
|
test05();
|
|
test06();
|
|
return 0;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|