1// Copyright (C) 2005 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 2, 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 COPYING.  If not, write to the Free
16// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
17// USA.
18
19// As a special exception, you may use this file as part of a free software
20// library without restriction.  Specifically, if other files instantiate
21// templates or use macros or inline functions from this file, or you compile
22// this file and link it with other files to produce an executable, this
23// file does not by itself cause the resulting executable to be covered by
24// the GNU General Public License.  This exception does not however
25// invalidate any other reasons why the executable file might be covered by
26// the GNU General Public License.
27
28// 22.2.1.3.2 ctype<char> members
29
30#include <locale>
31#include <testsuite_hooks.h>
32
33class Ctype1
34: public std::ctype<char>
35{
36protected:
37  const char*
38  do_narrow(const char* lo, const char* hi,
39	    char, char* to) const
40  {
41    for (int i = 0; lo != hi; ++lo, ++to, ++i)
42      *to = *lo + i;
43    return hi;
44  }
45};
46
47class Ctype2
48: public std::ctype<char>
49{
50protected:
51  const char*
52  do_narrow(const char* lo, const char* hi,
53	    char dflt, char* to) const
54  {
55    for (int i = 0; lo != hi; ++lo, ++to, ++i)
56      if (*lo == '\000')
57	*to = dflt;
58      else
59	*to = *lo;
60    return hi;
61  }
62};
63
64// libstdc++/19955
65void test01()
66{
67  using namespace std;
68  bool test __attribute__((unused)) = true;
69
70  const char src[] = "abcd";
71
72  locale mylocale1(locale::classic(), new Ctype1);
73  const ctype<char>& mc1 = use_facet<ctype<char> >(mylocale1);
74
75  char dst1[sizeof(src)];
76  memset(dst1, 0, sizeof(src));
77  char dst2[sizeof(src)];
78  memset(dst2, 0, sizeof(src));
79
80  mc1.narrow(src, src + sizeof(src), '*', dst1);
81  mc1.narrow(src, src + sizeof(src), '*', dst2);
82
83  VERIFY( !memcmp(dst1, "aceg\004", 5) );
84  VERIFY( !memcmp(dst1, dst2, 5) );
85
86  locale mylocale2(locale::classic(), new Ctype2);
87  const ctype<char>& mc2 = use_facet<ctype<char> >(mylocale2);
88
89  char dst3[sizeof(src)];
90  memset(dst3, 0, sizeof(src));
91  char dst4[sizeof(src)];
92  memset(dst4, 0, sizeof(src));
93
94  mc2.narrow(src, src + sizeof(src), '*', dst3);
95  mc2.narrow(src, src + sizeof(src), '*', dst4);
96
97  VERIFY( !memcmp(dst3, "abcd*", 5) );
98  VERIFY( !memcmp(dst3, dst4, 5) );
99}
100
101int main()
102{
103  test01();
104  return 0;
105}
106