| // 1999-04-12 bkoz |
| |
| // Copyright (C) 1999, 2000, 2002, 2003, 2004, 2005 |
| // 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 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. |
| |
| // 27.6.1.2.2 arithmetic extractors |
| |
| #include <istream> |
| #include <sstream> |
| #include <locale> |
| #include <testsuite_hooks.h> |
| |
| namespace std { |
| class test_numpunct1 : public numpunct<char> |
| { |
| protected: |
| string |
| do_grouping() const |
| { return string(1, '\003'); } |
| }; |
| } // namespace std |
| |
| void test07() |
| { |
| // manufactured locale, grouping is turned on |
| bool test __attribute__((unused)) = true; |
| unsigned int h4 = 0, h3 = 0, h2 = 0; |
| float f1 = 0.0; |
| const std::string s1("205,199 23,445.25 1,024,365 123,22,24"); |
| std::istringstream is(s1); |
| is.imbue(std::locale(std::locale(), new std::test_numpunct1)); |
| |
| // Basic operation. |
| is >> h4; |
| VERIFY( h4 == 205199 ); |
| VERIFY( is.good() ); |
| |
| is.clear(); |
| is >> f1; |
| VERIFY( f1 == 23445.25 ); |
| VERIFY( is.good() ); |
| |
| is.clear(); |
| is >> h3; |
| VERIFY( h3 == 1024365 ); |
| VERIFY( is.good() ); |
| |
| is.clear(); |
| is >> h2; |
| VERIFY( h2 == 1232224 ); |
| VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::failbit) ); |
| VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::eofbit) ); |
| |
| // Stress tests for explicit errors in grouping corner cases. The |
| // validity of these tests and results have been hammered out in |
| // private email between bkoz and ncm between Jan 25 and Jan 27, 2000. |
| // Thanks nate -- benjamin |
| const std::string s2(",111 4,,4 0.25,345 5..25 156,, 1,000000 1000000 1234,567"); |
| h3 = h4 = h2 = 0; |
| f1 = 0.0; |
| const char c_control = '?'; |
| char c = c_control; |
| is.clear(); |
| is.str(s2); |
| |
| is >> h4; |
| VERIFY( h4 == 0 ); |
| VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::failbit) ); |
| is.clear(); |
| is >> c; |
| VERIFY( c == ',' ); |
| VERIFY( is.good() ); |
| |
| is.ignore(3); |
| is >> f1; |
| VERIFY( f1 == 0.0 ); |
| VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::failbit) ); |
| is.clear(); |
| is >> c; |
| VERIFY( c == ',' ); |
| is >> c; |
| VERIFY( c == '4' ); |
| VERIFY( is.good() ); |
| |
| is >> f1; |
| VERIFY( f1 == 0.25 ); |
| VERIFY( is.good() ); |
| is >> c; |
| VERIFY( c == ',' ); |
| is >> h2; |
| VERIFY( h2 == 345 ); |
| VERIFY( is.good() ); |
| f1 = 0.0; |
| h2 = 0; |
| |
| is >> f1; |
| VERIFY( f1 == 5.0 ); |
| VERIFY( is.good() ); |
| is >> f1; |
| VERIFY( f1 == .25 ); |
| VERIFY( is.good() ); |
| |
| is >> h3; |
| VERIFY( h3 == 0 ); |
| VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::failbit) ); |
| is.clear(); |
| is >> c; |
| VERIFY( c == ',' ); // second one |
| VERIFY( is.good() ); |
| |
| is >> h2; |
| VERIFY( h2 == 1000000 ); |
| VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::failbit) ); |
| h2 = 0; |
| is.clear(); |
| |
| is >> h2; |
| VERIFY( h2 == 1000000 ); |
| VERIFY( is.good() ); |
| h2 = 0; |
| |
| is >> h2; |
| VERIFY( h2 == 1234567 ); |
| VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::failbit) ); |
| VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::eofbit) ); |
| is.clear(); |
| } |
| |
| int main() |
| { |
| test07(); |
| return 0; |
| } |