1// { dg-require-namedlocale "se_NO.UTF-8" }
2
3// 2003-09-04  Petur Runolfsson  <peturr02@ru.is>
4
5// Copyright (C) 2003-2015 Free Software Foundation, Inc.
6//
7// This file is part of the GNU ISO C++ Library.  This library is free
8// software; you can redistribute it and/or modify it under the
9// terms of the GNU General Public License as published by the
10// Free Software Foundation; either version 3, or (at your option)
11// any later version.
12
13// This library is distributed in the hope that it will be useful,
14// but WITHOUT ANY WARRANTY; without even the implied warranty of
15// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16// GNU General Public License for more details.
17
18// You should have received a copy of the GNU General Public License along
19// with this library; see the file COPYING3.  If not see
20// <http://www.gnu.org/licenses/>.
21
22// 27.8.1.4 Overridden virtual functions
23
24#include <locale>
25#include <fstream>
26#include <cstdio>
27#include <testsuite_hooks.h>
28
29// Test that unbuffered really means unbuffered for UTF-8
30void test05()
31{
32  using namespace std;
33  bool test __attribute__((unused)) = true;
34  const char* name = "tmp_underflow-5";
35
36  wfilebuf fb;
37  fb.pubsetbuf(0, 0);
38  fb.pubimbue(locale("se_NO.UTF-8"));
39
40  FILE* file = fopen(name, "w");
41  setvbuf(file, 0, _IONBF, 0);
42  fputs("abcde", file);
43
44  fb.open(name, ios_base::in);
45  VERIFY( fb.sbumpc() == L'a' );
46
47  fseek(file, 1, SEEK_SET);
48  fputc('0', file);
49
50  VERIFY( fb.sbumpc() == L'0' );
51  VERIFY( fb.sbumpc() == L'c' );
52
53  fputc('1', file);
54  fputc('2', file);
55
56  VERIFY( fb.sbumpc() == L'2' );
57  VERIFY( fb.sbumpc() == L'e' );
58  VERIFY( fb.sbumpc() == WEOF );
59
60  fputc('3', file);
61  fputc('4', file);
62
63  VERIFY( fb.sbumpc() == L'4' );
64  VERIFY( fb.sbumpc() == WEOF );
65
66  fb.close();
67  fclose(file);
68}
69
70int main()
71{
72  test05();
73  return 0;
74}
75