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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/ext/stdio_sync_filebuf/wchar_t/1.cc
1 // 2003-05-01 Petur Runolfsson <peturr02@ru.is>
3 // Copyright (C) 2003-2019 Free Software Foundation, Inc.
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)
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.
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/>.
20 // { dg-require-fileio "" }
22 #include <ext/stdio_sync_filebuf.h>
24 #include <testsuite_hooks.h>
29 typedef char_traits
<wchar_t> traits_type
;
31 const char* c_lit
= "black pearl jasmine tea";
32 const wchar_t* w_lit
= L
"black pearl jasmine tea";
33 unsigned size
= strlen(c_lit
);
34 const char* name
= "stdiobuf-1.txt";
36 FILE* fout
= fopen(name
, "w");
37 VERIFY( fwrite(c_lit
, 1, size
, fout
) == size
);
40 FILE* fin
= fopen(name
, "r");
41 __gnu_cxx::stdio_sync_filebuf
<wchar_t> wsbuf(fin
);
43 VERIFY( traits_type::to_char_type(wsbuf
.sgetc()) == w_lit
[0] );
44 VERIFY( traits_type::to_char_type(getwc(fin
)) == w_lit
[0] );
45 VERIFY( traits_type::to_char_type(wsbuf
.sgetc()) == w_lit
[1] );
46 VERIFY( traits_type::to_char_type(wsbuf
.sbumpc()) == w_lit
[1] );
47 VERIFY( ungetwc(L
'Z', fin
) == L
'Z' );
48 VERIFY( wsbuf
.sbumpc() == L
'Z' );
49 VERIFY( traits_type::to_char_type(getwc(fin
)) == w_lit
[2] );
50 VERIFY( wsbuf
.sputbackc(L
'X') == L
'X' );
51 VERIFY( getwc(fin
) == L
'X' );
54 wmemset(buf
, static_cast<wchar_t>(0xdeadbeef), 5);
55 VERIFY( wsbuf
.sgetn(buf
, 5) == 5 );
56 VERIFY( !wmemcmp(buf
, w_lit
+ 3, 5) );
57 VERIFY( traits_type::to_char_type(getwc(fin
)) == w_lit
[8] );