1// 2003-05-01 Petur Runolfsson <peturr02@ru.is>
2
3// Copyright (C) 2003 Free Software Foundation
4//
5// This file is part of the GNU ISO C++ Library.  This library is free
6// software; you can redistribute it and/or modify it under the
7// terms of the GNU General Public License as published by the
8// Free Software Foundation; either version 2, or (at your option)
9// any later version.
10
11// This library is distributed in the hope that it will be useful,
12// but WITHOUT ANY WARRANTY; without even the implied warranty of
13// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14// GNU General Public License for more details.
15
16// You should have received a copy of the GNU General Public License along
17// with this library; see the file COPYING.  If not, write to the Free
18// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
19// USA.
20
21#include <ext/stdio_sync_filebuf.h>
22#include <testsuite_hooks.h>
23
24void test01()
25{
26  using namespace std;
27
28  bool test __attribute__((unused)) = true;
29  const char* c_lit = "black pearl jasmine tea";
30  int size = strlen(c_lit);
31  const char* name = "stdiobuf-1.txt";
32
33  FILE* fout = fopen(name, "w");
34  fwrite(c_lit, 1, size, fout);
35  fclose(fout);
36
37  FILE* fin = fopen(name, "r");
38  __gnu_cxx::stdio_sync_filebuf<char> sbuf(fin);
39
40  VERIFY( sbuf.sgetc() == c_lit[0] );
41  VERIFY( getc(fin) == c_lit[0] );
42  VERIFY( sbuf.sgetc() == c_lit[1] );
43  VERIFY( sbuf.sbumpc() == c_lit[1] );
44  VERIFY( ungetc('Z', fin) == 'Z' );
45  VERIFY( sbuf.sbumpc() == 'Z' );
46  VERIFY( getc(fin) == c_lit[2] );
47  VERIFY( sbuf.sputbackc('X') == 'X' );
48  VERIFY( getc(fin) == 'X' );
49
50  char buf[5];
51  memset(buf, 'x', 5);
52  VERIFY( sbuf.sgetn(buf, 5) == 5 );
53  VERIFY( !memcmp(buf, c_lit + 3, 5) );
54  VERIFY( getc(fin) == c_lit[8] );
55
56  fclose(fin);
57}
58
59int main ()
60{
61  test01();
62  return 0;
63}
64