blob: 017c3e866cec47c085f56b92758cd374c2d049ca (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
|
// 2003-07-06 Benjamin Kosnik <bkoz@redhat.com>
// Copyright (C) 2003, 2009 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 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
// <http://www.gnu.org/licenses/>.
#include <locale>
#include <sstream>
#include <ostream>
#include <testsuite_hooks.h>
class numpunct_checked : public std::numpunct<wchar_t>
{
typedef std::numpunct<wchar_t> base;
public:
explicit
numpunct_checked(std::size_t refs = 0): base(refs) { }
string_type
base_truename() const
{ return base::do_truename(); }
protected:
virtual string_type
do_truename() const
{ return base::do_truename() + L"st"; }
};
// Changing caches deletes old cache, adds new one.
void test01()
{
using namespace std;
bool test __attribute__((unused)) = true;
const wstring empty;
const wstring basestr(L"true");
const wstring derivedstr(L"truest");
const locale loc(locale::classic(), new numpunct_checked);
wstringbuf sbuf;
wostream os(&sbuf);
os.setf(ios_base::boolalpha);
// Pre-cache sanity check.
const numpunct<wchar_t>& np = use_facet<numpunct<wchar_t> >(loc);
VERIFY( np.truename() == derivedstr );
// Cache.
os.imbue(loc);
os << true;
VERIFY( sbuf.str() == derivedstr );
// Re-cache.
sbuf.str(empty);
os.imbue(locale::classic());
os << true;
VERIFY( sbuf.str() == basestr );
// Cache new locale again.
sbuf.str(empty);
os.imbue(loc);
os << true;
VERIFY( sbuf.str() == derivedstr );
// Post-cache sanity check, make sure that base class is still fine.
VERIFY( np.truename() == derivedstr );
const numpunct_checked& npd = static_cast<const numpunct_checked&>(np);
VERIFY( npd.base_truename() == basestr );
}
int main()
{
test01();
return 0;
}
|