1 // 2003-05-01 Petur Runolfsson <peturr02@ru.is>
2 
3 // Copyright (C) 2003-2013 Free Software Foundation, Inc.
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 3, 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 COPYING3.  If not see
18 // <http://www.gnu.org/licenses/>.
19 
20 #include <ext/stdio_sync_filebuf.h>
21 #include <cstring>
22 #include <testsuite_hooks.h>
23 
test01()24 void test01()
25 {
26   using namespace std;
27   typedef char_traits<wchar_t> traits_type;
28 
29   bool test __attribute__((unused)) = true;
30   const char* c_lit = "black pearl jasmine tea";
31   const wchar_t* w_lit = L"black pearl jasmine tea";
32   unsigned size = strlen(c_lit);
33   const char* name = "stdiobuf-1.txt";
34 
35   FILE* fout = fopen(name, "w");
36   VERIFY( fwrite(c_lit, 1, size, fout) == size );
37   fclose(fout);
38 
39   FILE* fin = fopen(name, "r");
40   __gnu_cxx::stdio_sync_filebuf<wchar_t> wsbuf(fin);
41 
42   VERIFY( traits_type::to_char_type(wsbuf.sgetc()) == w_lit[0] );
43   VERIFY( traits_type::to_char_type(getwc(fin)) == w_lit[0] );
44   VERIFY( traits_type::to_char_type(wsbuf.sgetc()) == w_lit[1] );
45   VERIFY( traits_type::to_char_type(wsbuf.sbumpc()) == w_lit[1] );
46   VERIFY( ungetwc(L'Z', fin) == L'Z' );
47   VERIFY( wsbuf.sbumpc() == L'Z' );
48   VERIFY( traits_type::to_char_type(getwc(fin)) == w_lit[2] );
49   VERIFY( wsbuf.sputbackc(L'X') == L'X' );
50   VERIFY( getwc(fin) == L'X' );
51 
52   wchar_t buf[5];
53   wmemset(buf, static_cast<wchar_t>(0xdeadbeef), 5);
54   VERIFY( wsbuf.sgetn(buf, 5) == 5 );
55   VERIFY( !wmemcmp(buf, w_lit + 3, 5) );
56   VERIFY( traits_type::to_char_type(getwc(fin)) == w_lit[8] );
57 
58   fclose(fin);
59 }
60 
main()61 int main ()
62 {
63   test01();
64   return 0;
65 }
66