1 // 2003-07-06 Benjamin Kosnik <bkoz@redhat.com>
3 // Copyright (C) 2003-2024 Free Software Foundation, Inc.
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)
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.
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/>.
23 #include <testsuite_hooks.h>
25 class numpunct_checked
: public std::numpunct
<char>
27 typedef std::numpunct
<char> base
;
31 numpunct_checked(std::size_t refs
= 0): base(refs
) { }
35 { return base::do_truename(); }
40 { return base::do_truename() + "st"; }
43 // Thwart locale caching strategies that incorrectly overwrite base
49 const string
basestr("true");
50 const string
derivedstr("truest");
52 const locale
loc(locale::classic(), new numpunct_checked
);
55 os
.setf(ios_base::boolalpha
);
57 // Pre-cache sanity check.
58 const numpunct
<char>& np
= use_facet
<numpunct
<char> >(loc
);
59 VERIFY( np
.truename() == derivedstr
);
64 VERIFY( sbuf
.str() == derivedstr
);
66 // Post-cache sanity check, make sure that base class is still fine.
67 VERIFY( np
.truename() == derivedstr
);
68 const numpunct_checked
& npd
= static_cast<const numpunct_checked
&>(np
);
69 VERIFY( npd
.base_truename() == basestr
);