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_READ_SEEKABLE_HPP_INCLUDED
9#define BOOST_IOSTREAMS_TEST_READ_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 read_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 test1;
26 test_file test2;
27
28 {
29 filtering_stream<seekable> first(file(test1.name(), in_mode), 0);
30 ifstream second(test2.name().c_str(), in_mode);
31 BOOST_CHECK_MESSAGE(
32 compare_streams_in_chars(first, second),
33 "failed reading from filtering_stream<seekable>"
34 "in chars with no buffer"
35 );
36 }
37
38 {
39 filtering_stream<seekable> first(file(test1.name(), in_mode), 0);
40 ifstream second(test2.name().c_str(), in_mode);
41 BOOST_CHECK_MESSAGE(
42 compare_streams_in_chunks(first, second),
43 "failed reading from filtering_stream<seekable>"
44 "in chars with no buffer"
45 );
46 }
47
48 {
49 filtering_stream<seekable> first(file(test1.name(), in_mode));
50 ifstream second(test2.name().c_str(), in_mode);
51 BOOST_CHECK_MESSAGE(
52 compare_streams_in_chars(first, second),
53 "failed reading from filtering_stream<seekable>"
54 "in chars with large buffer"
55 );
56 }
57
58 {
59 filtering_stream<seekable> first(file(test1.name(), in_mode));
60 ifstream second(test2.name().c_str(), in_mode);
61 BOOST_CHECK_MESSAGE(
62 compare_streams_in_chunks(first, second),
63 "failed reading from filtering_stream<seekable>"
64 "in chars with large buffer"
65 );
66 }
67}
68
69#endif // #ifndef BOOST_IOSTREAMS_TEST_READ_SEEKABLE_HPP_INCLUDED
70

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