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_SEQUENCE_HPP_INCLUDED
9 #define BOOST_IOSTREAMS_TEST_READ_SEEKABLE_SEQUENCE_HPP_INCLUDED
10 
11 #include <fstream>
12 #include <boost/iostreams/device/file.hpp>
13 #include <boost/iostreams/filtering_stream.hpp>
14 #include <boost/range/iterator_range.hpp>
15 #include <boost/test/test_tools.hpp>
16 #include "detail/sequence.hpp"
17 #include "detail/temp_file.hpp"
18 #include "detail/verification.hpp"
19 
read_seekable_sequence_test()20 void read_seekable_sequence_test()
21 {
22     using namespace std;
23     using namespace boost;
24     using namespace boost::iostreams;
25     using namespace boost::iostreams::test;
26 
27     test_file        file;
28     test_sequence<>  seq;
29 
30     {
31         filtering_stream<seekable>  first(make_iterator_range(seq), 0);
32         ifstream                    second(file.name().c_str());
33         BOOST_CHECK_MESSAGE(
34             compare_streams_in_chars(first, second),
35             "failed reading from filtering_stream<seekable> based on a"
36             "sequence in chars with no buffer"
37         );
38     }
39 
40     {
41         filtering_stream<seekable>  first(make_iterator_range(seq), 0);
42         ifstream                    second(file.name().c_str());
43         BOOST_CHECK_MESSAGE(
44             compare_streams_in_chunks(first, second),
45             "failed reading from filtering_stream<seekable> based on a"
46             "sequence in chunks with no buffer"
47         );
48     }
49 
50     {
51         filtering_stream<seekable>  first(make_iterator_range(seq));
52         ifstream                    second(file.name().c_str());
53         BOOST_CHECK_MESSAGE(
54             compare_streams_in_chars(first, second),
55             "failed reading from filtering_stream<seekable> based on a"
56             "sequence in chars with large buffer"
57         );
58     }
59 
60     {
61         filtering_stream<seekable>  first(make_iterator_range(seq));
62         ifstream                    second(file.name().c_str());
63         BOOST_CHECK_MESSAGE(
64             compare_streams_in_chunks(first, second),
65             "failed reading from filtering_stream<seekable> based on a"
66             "sequence in chunks with large buffer"
67         );
68     }
69 }
70 
71 #endif // #ifndef BOOST_IOSTREAMS_TEST_READ_SEEKABLE_SEQUENCE_HPP_INCLUDED
72