// 2003-12-19 Paolo Carlini // Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 // 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 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 // . // 22.2.2.1.1 num_get members #include #include #include void test01() { using namespace std; typedef istreambuf_iterator iterator_type; bool test __attribute__((unused)) = true; istringstream iss; const num_get& ng = use_facet >(iss.getloc()); ios_base::iostate err = ios_base::goodbit; iterator_type end; float f = 1.0f; double d = 1.0; long double ld = 1.0l; iss.str("1e."); err = ios_base::goodbit; end = ng.get(iss.rdbuf(), 0, iss, err, f); VERIFY( err == ios_base::failbit ); VERIFY( *end == '.' ); VERIFY( f == 0.0f ); iss.str("3e+"); iss.clear(); err = ios_base::goodbit; end = ng.get(iss.rdbuf(), 0, iss, err, d); VERIFY( err == (ios_base::failbit | ios_base::eofbit) ); VERIFY( d == 0.0 ); iss.str("6e "); iss.clear(); err = ios_base::goodbit; end = ng.get(iss.rdbuf(), 0, iss, err, ld); VERIFY( *end == ' ' ); // libstdc++/37624. We can't always obtain the required behavior // when sscanf is involved, because of, e.g., glibc/1765. #if defined(_GLIBCXX_HAVE_STRTOLD) && !defined(_GLIBCXX_HAVE_BROKEN_STRTOLD) VERIFY( err == ios_base::failbit ); VERIFY( ld == 0.0l ); #endif } int main() { test01(); return 0; }