1// (C) Copyright 2008 CodeRage, LLC (turkanis at coderage dot com)
2// (C) Copyright 2004-2007 Jonathan Turkanis
3// Distributed under the Boost Software License, Version 1.0. (See accompanying
4// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt.)
5
6// See http://www.boost.org/libs/iostreams for documentation.
7
8#ifndef BOOST_IOSTREAMS_TEST_WRITE_SEEKABLE_HPP_INCLUDED
9#define BOOST_IOSTREAMS_TEST_WRITE_SEEKABLE_HPP_INCLUDED
10
11#include <fstream>
12#include <boost/iostreams/device/file.hpp>
13#include <boost/iostreams/filtering_stream.hpp>
14#include <boost/test/test_tools.hpp>
15#include "detail/temp_file.hpp"
16#include "detail/verification.hpp"
17
18void write_seekable_test()
19{
20 using namespace std;
21 using namespace boost;
22 using namespace boost::iostreams;
23 using namespace boost::iostreams::test;
24
25 test_file test;
26 BOOST_IOS::openmode mode = out_mode | BOOST_IOS::trunc;
27
28 {
29 temp_file test2;
30 filtering_stream<seekable> out(file(test2.name(), mode), 0);
31 write_data_in_chars(os&: out);
32 out.reset();
33 BOOST_CHECK_MESSAGE(
34 compare_files(test2.name(), test.name()),
35 "failed writing to filtering_stream<seekable> in chars with"
36 "no buffer"
37 );
38 }
39
40 {
41 temp_file test2;
42 filtering_stream<seekable> out(file(test2.name(), mode), 0);
43 write_data_in_chunks(os&: out);
44 out.reset();
45 BOOST_CHECK_MESSAGE(
46 compare_files(test2.name(), test.name()),
47 "failed writing to filtering_stream<seekable> in chunks with"
48 "no buffer"
49 );
50 }
51
52 {
53 temp_file test2;
54 filtering_stream<seekable> out(file(test2.name(), mode));
55 write_data_in_chars(os&: out);
56 out.reset();
57 BOOST_CHECK_MESSAGE(
58 compare_files(test2.name(), test.name()),
59 "failed writing to filtering_stream<seekable> in chars with"
60 "large buffer"
61 );
62 }
63
64 {
65 temp_file test2;
66 filtering_stream<seekable> out(file(test2.name(), mode));
67 write_data_in_chunks(os&: out);
68 out.reset();
69 BOOST_CHECK_MESSAGE(
70 compare_files(test2.name(), test.name()),
71 "failed writing to filtering_stream<seekable> in chunks with"
72 "large buffer"
73 );
74 }
75}
76
77#endif // #ifndef BOOST_IOSTREAMS_TEST_WRITE_SEEKABLE_HPP_INCLUDED
78

source code of boost/libs/iostreams/test/write_seekable_test.hpp