1// { dg-options "-std=gnu++11" }
2// { dg-require-cstdint "" }
3
4// 2014-04-24 R��diger Sonderfeld
5
6// Copyright (C) 2015 Free Software Foundation, Inc.
7//
8// This file is part of the GNU ISO C++ Library.  This library is free
9// software; you can redistribute it and/or modify it under the
10// terms of the GNU General Public License as published by the
11// Free Software Foundation; either version 3, or (at your option)
12// any later version.
13
14// This library is distributed in the hope that it will be useful,
15// but WITHOUT ANY WARRANTY; without even the implied warranty of
16// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17// GNU General Public License for more details.
18
19// You should have received a copy of the GNU General Public License along
20// with this library; see the file COPYING3.  If not see
21// <http://www.gnu.org/licenses/>.
22
23// [locale.codecvt], C++11 22.4.1.4.  specialization.
24
25#include <locale>
26#include <cstring>
27#include <testsuite_hooks.h>
28
29void
30test01()
31{
32  using namespace std;
33  typedef codecvt<char32_t, char, mbstate_t> codecvt_c32;
34  locale loc_c = locale::classic();
35  VERIFY(has_facet<codecvt_c32>(loc_c));
36  const codecvt_c32* const cvt = &use_facet<codecvt_c32>(loc_c);
37
38  VERIFY(!cvt->always_noconv());
39  VERIFY(cvt->max_length() == 4);
40  VERIFY(cvt->encoding() == 0);
41
42  const char u8dat[] = u8"H\U000000E4ll\U000000F6 \U0001F63F \U000056FD "
43    u8"\U0000222B f(\U000003BA) exp(-2\U000003C0\U000003C9) d\U000003BA "
44    u8"\U0001F6BF \U0001F6BF \U0001F648 \U00000413\U00000435\U0000043E"
45    u8"\U00000433\U00000440\U00000430\U00000444\U00000438\U0000044F \U0000FB05";
46  const char* const u8dat_end = std::end(u8dat);
47
48  const char32_t u32dat[] = U"H\U000000E4ll\U000000F6 \U0001F63F \U000056FD "
49    U"\U0000222B f(\U000003BA) exp(-2\U000003C0\U000003C9) d\U000003BA "
50    U"\U0001F6BF \U0001F6BF \U0001F648 \U00000413\U00000435\U0000043E"
51    U"\U00000433\U00000440\U00000430\U00000444\U00000438\U0000044F \U0000FB05";
52  const char32_t* const u32dat_end = std::end(u32dat);
53
54  {
55    const size_t len = u32dat_end - u32dat + 1;
56    char32_t* const buffer = new char32_t[len];
57    char32_t* const buffer_end = buffer + len;
58
59    const char* from_next;
60    char32_t* to_next;
61
62    codecvt_c32::state_type state01;
63    state01 = {};
64    codecvt_base::result res = cvt->in(state01, u8dat, u8dat_end, from_next,
65                                       buffer, buffer_end, to_next);
66
67    VERIFY(res == codecvt_base::ok);
68    VERIFY(from_next == u8dat_end);
69    VERIFY(std::memcmp((void*)buffer, (void*)u32dat, sizeof(u32dat)) == 0);
70
71    delete[] buffer;
72  }
73
74  {
75    const size_t len = u8dat_end - u8dat + 1;
76    char* const buffer = new char[len];
77    char* const buffer_end = buffer + len;
78
79    const char32_t* from_next;
80    char* to_next;
81
82    codecvt_c32::state_type state01;
83    state01 = {};
84    codecvt_base::result res = cvt->out(state01, u32dat, u32dat_end, from_next,
85                                        buffer, buffer_end, to_next);
86
87    VERIFY(res == codecvt_base::ok);
88    VERIFY(from_next == u32dat_end);
89    VERIFY(std::memcmp((void*)buffer, (void*)u8dat, sizeof(u8dat)) == 0);
90
91    delete[] buffer;
92  }
93}
94
95int
96main()
97{
98  test01();
99}
100