1 // Copyright (C) 2003-2019 Free Software Foundation, Inc.
2 //
3 // This file is part of the GNU ISO C++ Library. This library is free
4 // software; you can redistribute it and/or modify it under the
5 // terms of the GNU General Public License as published by the
6 // Free Software Foundation; either version 3, or (at your option)
7 // any later version.
8
9 // This library is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 // GNU General Public License for more details.
13
14 // You should have received a copy of the GNU General Public License along
15 // with this library; see the file COPYING3. If not see
16 // <http://www.gnu.org/licenses/>.
17
18 // 22.2.2.2.1 num_put members
19
20 #include <locale>
21 #include <sstream>
22 #include <testsuite_hooks.h>
23
24 struct Ctype: std::ctype<wchar_t>
25 {
26 wchar_t
do_widenCtype27 do_widen(char c) const
28 { return L'A' + c % 26; }
29
30 const char*
do_widenCtype31 do_widen(const char* lo, const char* hi, wchar_t* to) const
32 {
33 for (; lo != hi; *to++ = Ctype::do_widen(*lo++));
34 return hi;
35 }
36 };
37
38 // See http://gcc.gnu.org/ml/libstdc++/2003-11/msg00154.html
test01()39 void test01()
40 {
41 using namespace std;
42
43 wostringstream oss;
44 oss.imbue(locale(locale::classic(), new Ctype));
45 const num_put<wchar_t>& np = use_facet<num_put<wchar_t> >(oss.getloc());
46
47 const wstring empty;
48 wstring result;
49 long inum = 123;
50 double fnum = 123.456;
51
52 np.put(oss.rdbuf(), oss, L'+', inum);
53 result = oss.str();
54 VERIFY( result == L"XYZ" );
55
56 oss.clear();
57 oss.str(empty);
58 np.put(oss.rdbuf(), oss, L'+', fnum);
59 result = oss.str();
60 VERIFY( result == L"XYZ.ABC" );
61 }
62
main()63 int main()
64 {
65 test01();
66 }
67