| // 1999-08-11 bkoz |
| |
| // Copyright (C) 1999-2013 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/>. |
| |
| // 27.6.1.3 unformatted input functions |
| |
| #include <istream> |
| #include <sstream> |
| #include <testsuite_hooks.h> |
| |
| void |
| test02() |
| { |
| typedef std::char_traits<char> traits_type; |
| |
| bool test __attribute__((unused)) = true; |
| const char str_lit01[] = "\t\t\t sun*ra \n" |
| " " |
| "and his myth science arkestra present\n" |
| " " |
| "angles and demons @ play\n" |
| " " |
| "the nubians of plutonia"; |
| std::string str01(str_lit01); |
| std::string strtmp; |
| |
| std::stringbuf sbuf_04(str01, std::ios_base::in); |
| |
| std::istream is_00(0); |
| std::istream is_04(&sbuf_04); |
| std::ios_base::iostate state1, state2, statefail, stateeof; |
| statefail = std::ios_base::failbit; |
| stateeof = std::ios_base::eofbit; |
| char carray1[400] = ""; |
| |
| // istream& getline(char* s, streamsize n, char delim) |
| // istream& getline(char* s, streamsize n) |
| state1 = is_00.rdstate(); |
| is_00.getline(carray1, 20, '*'); |
| state2 = is_00.rdstate(); |
| // make sure failbit was set, since we couldn't extract |
| // from the null streambuf... |
| VERIFY( state1 != state2 ); |
| VERIFY( static_cast<bool>(state2 & statefail) ); |
| |
| VERIFY( is_04.gcount() == 0 ); |
| state1 = is_04.rdstate(); |
| is_04.getline(carray1, 1, '\t'); // extracts, throws away |
| state2 = is_04.rdstate(); |
| VERIFY( is_04.gcount() == 1 ); |
| VERIFY( state1 == state2 ); |
| VERIFY( state1 == 0 ); |
| VERIFY( !traits_type::compare("", carray1, 1) ); |
| |
| state1 = is_04.rdstate(); |
| is_04.getline(carray1, 20, '*'); |
| state2 = is_04.rdstate(); |
| VERIFY( is_04.gcount() == 10 ); |
| VERIFY( state1 == state2 ); |
| VERIFY( state1 == 0 ); |
| VERIFY( !traits_type::compare("\t\t sun", carray1, 10) ); |
| |
| state1 = is_04.rdstate(); |
| is_04.getline(carray1, 20); |
| state2 = is_04.rdstate(); |
| VERIFY( is_04.gcount() == 4 ); |
| VERIFY( state1 == state2 ); |
| VERIFY( state1 == 0 ); |
| VERIFY( !traits_type::compare("ra ", carray1, 4) ); |
| |
| state1 = is_04.rdstate(); |
| is_04.getline(carray1, 65); |
| state2 = is_04.rdstate(); |
| VERIFY( is_04.gcount() == 64 ); |
| VERIFY( state1 != state2 ); |
| VERIFY( state2 == statefail ); |
| VERIFY( !traits_type::compare( |
| " and his myth science arkestra presen", |
| carray1, 65) ); |
| |
| is_04.clear(); |
| state1 = is_04.rdstate(); |
| is_04.getline(carray1, 120, '|'); |
| state2 = is_04.rdstate(); |
| VERIFY( is_04.gcount() == 106 ); |
| VERIFY( state1 != state2 ); |
| VERIFY( state2 == stateeof ); |
| |
| is_04.clear(); |
| state1 = is_04.rdstate(); |
| is_04.getline(carray1, 100, '|'); |
| state2 = is_04.rdstate(); |
| VERIFY( is_04.gcount() == 0 ); |
| VERIFY( state1 != state2 ); |
| VERIFY( static_cast<bool>(state2 & stateeof) ); |
| VERIFY( static_cast<bool>(state2 & statefail) ); |
| } |
| |
| int |
| main() |
| { |
| test02(); |
| return 0; |
| } |