blob: 99a679dc1240f9fd180a7a368ee1bb8ff96a3c94 (
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
|
// Copyright (C) 2017 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/>.
// { dg-do run { target c++11 } }
#include <locale>
#include <streambuf>
#include <testsuite_hooks.h>
struct streambuf : std::streambuf
{
int_type underflow() override
{
if (c != '\0')
{
this->setg(&c, &c, &c + 1);
return *this->gptr();
}
c = '\0';
return traits_type::eof();
}
private:
char c = 'a';
};
struct codecvt : std::codecvt<wchar_t, char, std::mbstate_t> { };
void
test01()
{
// https://gcc.gnu.org/ml/libstdc++/2017-11/msg00022.html
streambuf sb;
std::wbuffer_convert<codecvt> conv(&sb);
VERIFY( sb.in_avail() == 0 );
wchar_t c = conv.sgetc();
VERIFY( c == L'a' );
}
int
main()
{
test01();
}
|
