libs/iostreams/test/seek_test.hpp

   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
  22 void 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(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(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