// 1999-04-12 bkoz // Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, // 2009 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 // . // 27.6.1.2.2 arithmetic extractors #include #include #include #include bool test10() { std::string str_01("0 00 000 +0 +0 -0"); std::stringbuf isbuf_01(str_01); std::istream is_01(&isbuf_01); bool test __attribute__((unused)) = true; int n = 365; is_01 >> n; VERIFY( n == 0 ); n = 364; is_01 >> n; VERIFY( n == 0 ); n = 363; is_01 >> n; VERIFY( n == 0 ); n = 362; is_01 >> n; VERIFY( n == 0 ); n = 361; is_01 >> n; VERIFY( n == 0 ); n = 360; is_01 >> n; VERIFY( n == 0 ); VERIFY( is_01.rdstate() == std::ios_base::eofbit ); std::string str_02("0x32 0X33 033 33"); std::stringbuf isbuf_02(str_02); std::istream is_02(&isbuf_02); is_02.unsetf(std::ios_base::basefield); is_02 >> n; VERIFY( n == 50 ); is_02 >> n; VERIFY( n == 51 ); is_02 >> n; VERIFY( n == 27 ); is_02 >> n; VERIFY( n == 33 ); VERIFY( is_02.rdstate() == std::ios_base::eofbit ); std::stringbuf isbuf_03(str_02); std::istream is_03(&isbuf_03); char c; int m; is_03 >> std::dec >> n >> c >> m; VERIFY( n == 0 ); VERIFY( c == 'x' ); VERIFY( m == 32 ); is_03 >> std::oct >> m >> c >> n; VERIFY( m == 0 ); VERIFY( c == 'X' ); VERIFY( n == 27 ); is_03 >> std::dec >> m >> n; VERIFY( m == 33 ); VERIFY( n == 33 ); VERIFY( is_03.rdstate() == std::ios_base::eofbit ); std::string str_04("3. 4.5E+2a5E-3 .6E1"); std::stringbuf isbuf_04(str_04); std::istream is_04(&isbuf_04); double f; is_04 >> f; VERIFY( f == 3.0 ); is_04 >> f; VERIFY( f == 450.0 ); is_04.ignore(); is_04 >> f; VERIFY( f == 0.005 ); is_04 >> f; VERIFY( f == 6 ); VERIFY( is_03.rdstate() == std::ios_base::eofbit ); std::string str_05("0E20 5Ea E16"); std::stringbuf isbuf_05(str_05); std::istream is_05(&isbuf_05); is_05 >> f; VERIFY( f == 0 ); f = 1; is_05 >> f; VERIFY( f == 0 ); VERIFY( is_05.rdstate() == std::ios_base::failbit ); is_05.clear(); is_05 >> c; VERIFY( c == 'a' ); f = 1; is_05 >> f; VERIFY( f == 0 ); VERIFY( is_05.rdstate() == std::ios_base::failbit ); is_05.clear(); is_05.ignore(); is_05 >> n; VERIFY( n == 16 ); return test; } int main() { test10(); return 0; }