1// 2000-09-11 Benjamin Kosnik <bkoz@redhat.com> 2 3// Copyright (C) 2000, 2001, 2002, 2003, 2009 Free Software Foundation 4// 5// This file is part of the GNU ISO C++ Library. This library is free 6// software; you can redistribute it and/or modify it under the 7// terms of the GNU General Public License as published by the 8// Free Software Foundation; either version 3, or (at your option) 9// any later version. 10 11// This library is distributed in the hope that it will be useful, 12// but WITHOUT ANY WARRANTY; without even the implied warranty of 13// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14// GNU General Public License for more details. 15 16// You should have received a copy of the GNU General Public License along 17// with this library; see the file COPYING3. If not see 18// <http://www.gnu.org/licenses/>. 19 20// 22.1.1.4 locale operators [lib.locale.operators] 21 22#include <cwchar> // for mbstate_t 23#include <locale> 24#include <testsuite_hooks.h> 25 26// bool operator()(const string_type&, const string_type&) const 27long gnu_count; 28 29class gnu_collate: public std::collate<char> 30{ 31protected: 32 virtual int 33 do_compare(const char*, const char*, const char*, const char*) const 34 { ++gnu_count; return 0; } 35}; 36 37void test02() 38{ 39 using namespace std; 40 bool test __attribute__((unused)) = true; 41 42 // Sanity check. 43 locale loc_c = locale::classic(); 44 string s01("land of "); 45 string s02("land of look behind"); 46 VERIFY( !loc_c(s01, s01) ); 47 VERIFY( loc_c(s01, s02) ); 48 49 // Derivation, MF check. 50 locale loc_gnu(loc_c, new gnu_collate); 51 gnu_count = 0; 52 loc_gnu(s01, s02); 53 VERIFY( gnu_count == 1 ); 54} 55 56int main () 57{ 58 test02(); 59 return 0; 60} 61 62 63 64