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