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_SEEK_HPP_INCLUDED
9#define BOOST_IOSTREAMS_TEST_SEEK_HPP_INCLUDED
10
11
12#include <boost/config.hpp> // BOOST_MSVC, make sure size_t is in std.
13#include <cstddef> // std::size_t.
14#include <string>
15#include <boost/iostreams/device/array.hpp>
16#include <boost/iostreams/filtering_stream.hpp>
17#include <boost/test/test_tools.hpp>
18#include "../example/container_device.hpp" // We use container_device instead
19#include "detail/verification.hpp" // of make_iterator_range to
20 // reduce dependence on Boost.Range
21
22void seek_test()
23{
24 using namespace std;
25 using namespace boost;
26 using namespace boost::iostreams;
27 using namespace boost::iostreams::example;
28 using namespace boost::iostreams::test;
29
30 {
31 string test(data_reps * data_length(), '\0');
32 filtering_stream<seekable> io;
33 io.push(t: container_device<string>(test));
34 BOOST_CHECK_MESSAGE(
35 test_seekable_in_chars(io),
36 "failed seeking within a filtering_stream<seekable>, in chars"
37 );
38 }
39
40 {
41 string test(data_reps * data_length(), '\0');
42 filtering_stream<seekable> io;
43 io.push(t: container_device<string>(test));
44 BOOST_CHECK_MESSAGE(
45 test_seekable_in_chunks(io),
46 "failed seeking within a filtering_stream<seekable>, in chunks"
47 );
48 }
49}
50
51#endif // #ifndef BOOST_IOSTREAMS_TEST_SEEK_HPP_INCLUDED
52

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