1 // 2003-05-20 Paolo Carlini <pcarlini@unitus.it>
3 // Copyright (C) 2003, 2009 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 // 27.8.1.3 filebuf member functions
21 // @require@ %-*.tst %-*.txt
22 // @diff@ %-*.tst %-*.txt
24 // Test that upon filebuf::close() 27.8.1.1,3 is enforced.
27 #include <testsuite_hooks.h>
29 const char name_01[] = "filebuf_virtuals-1.txt"; // file with data in it
30 const char name_02[] = "filebuf_virtuals-2.txt"; // empty file, need to create
33 bool underflow_called;
36 class Close_filebuf : public std::filebuf
39 int_type overflow(int_type c)
41 overflow_called = true;
42 return std::filebuf::overflow(c);
47 underflow_called = true;
48 return std::filebuf::underflow();
54 return std::filebuf::uflow();
60 bool test __attribute__((unused)) = true;
62 Close_filebuf fb_01, fb_02;
63 char buffer[] = "xxxxxxxxxx";
66 fb_01.open(name_01, std::ios_base::in);
71 underflow_called = false;
73 VERIFY( underflow_called == true );
77 VERIFY( uflow_called == true );
81 VERIFY( uflow_called == true );
84 fb_01.sgetn(buffer, sizeof(buffer));
85 VERIFY( uflow_called == true );
88 fb_02.open(name_02, std::ios_base::out);
92 overflow_called = false;
94 VERIFY( overflow_called == true );
96 overflow_called = false;
97 fb_02.sputn(buffer, sizeof(buffer));
98 VERIFY( overflow_called == true );