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[/] [scarts/] [trunk/] [toolchain/] [scarts-gcc/] [gcc-4.1.1/] [libstdc++-v3/] [testsuite/] [27_io/] [basic_istream/] [extractors_character/] [char/] [3.cc] - Rev 19
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// 1999-07-26 bkoz // Copyright (C) 1999, 2003 Free Software Foundation // // 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 2, 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 COPYING. If not, write to the Free // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, // USA. // 27.6.1.2.3 character extractors #include <istream> #include <sstream> #include <testsuite_hooks.h> void test01() { bool test __attribute__((unused)) = true; std::string str_01; const std::string str_02("coltrane playing 'softly as a morning sunrise'"); const std::string str_03("coltrane"); std::stringbuf isbuf_01(std::ios_base::in); std::stringbuf isbuf_02(str_02, std::ios_base::in); std::istream is_01(NULL); std::istream is_02(&isbuf_02); std::ios_base::iostate state1, state2, statefail; statefail = std::ios_base::failbit; // template<_CharT, _Traits> // basic_istream& operator>>(istream&, _CharT*) int n = 20; char array1[n]; typedef std::ios::traits_type ctraits_type; // testing with width() control enabled. is_02.width(8); state1 = is_02.rdstate(); is_02 >> array1; // should snake "coltran" state2 = is_02.rdstate(); VERIFY( state1 == state2 ); VERIFY( !ctraits_type::compare(array1, "coltran", 7) ); is_02.width(1); state1 = is_02.rdstate(); is_02 >> array1; // should snake nothing, set failbit state2 = is_02.rdstate(); VERIFY( state1 != state2 ); VERIFY( state2 == statefail ); VERIFY( array1[0] == '\0' ); is_02.width(8); is_02.clear(); state1 = is_02.rdstate(); VERIFY( !state1 ); is_02 >> array1; // should snake "e" state2 = is_02.rdstate(); VERIFY( state1 == state2 ); VERIFY( !ctraits_type::compare(array1, "e", 1) ); // testing for correct exception setting const std::string str_04(" impulse!!"); std::stringbuf isbuf_03(str_04, std::ios_base::in); std::stringbuf isbuf_04(str_04, std::ios_base::in); std::istream is_03(&isbuf_03); std::istream is_04(&isbuf_04); is_03 >> array1; VERIFY( !ctraits_type::compare(array1,"impulse!!", 10) ); VERIFY( is_03.rdstate() == std::ios_base::eofbit ); is_04.width(9); is_04 >> array1; VERIFY( ! std::ios::traits_type::compare(array1,"impulse!", 9) ); VERIFY( !is_04.rdstate() ); } int main() { test01(); return 0; }