libs/iostreams/test/read_bidir_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_READ_BIDIRECTIONAL_HPP_INCLUDED
   9 #define BOOST_IOSTREAMS_TEST_READ_BIDIRECTIONAL_HPP_INCLUDED
  10
  11 #include <fstream>
  12 #include <boost/iostreams/combine.hpp>
  13 #include <boost/iostreams/device/file.hpp>
  14 #include <boost/iostreams/filtering_stream.hpp>
  15 #include <boost/test/test_tools.hpp>
  16 #include "detail/temp_file.hpp"
  17 #include "detail/verification.hpp"
  18
  19 void read_bidirectional_test()
  20 {
  21     using namespace std;
  22     using namespace boost;
  23     using namespace boost::iostreams;
  24     using namespace boost::iostreams::test;
  25
  26     test_file test;
  27
  28     {
  29         test_file src;
  30         temp_file dest; // Dummy.
  31         filtering_stream<bidirectional> first(
  32             combine(file_source(src.name()), file_sink(dest.name())), 0
  33         );
  34         ifstream second(test.name().c_str());
  35         BOOST_CHECK_MESSAGE(
  36             compare_streams_in_chars(first, second),
  37             "failed reading from filtering_stream<bidirectional>"
  38             "in chars with no buffer"
  39         );
  40     }
  41
  42     {
  43         test_file src;
  44         temp_file dest; // Dummy.
  45         filtering_stream<bidirectional> first(
  46             combine(file_source(src.name()), file_sink(dest.name())), 0
  47         );
  48         ifstream second(test.name().c_str());
  49         BOOST_CHECK_MESSAGE(
  50             compare_streams_in_chunks(first, second),
  51             "failed reading from filtering_stream<bidirectional>"
  52             "in chunks with no buffer"
  53         );
  54     }
  55
  56     {
  57         test_file src;
  58         temp_file dest; // Dummy.
  59         filtering_stream<bidirectional> first(
  60             combine(file_source(src.name()), file_sink(dest.name()))
  61         );
  62         ifstream second(test.name().c_str());
  63         BOOST_CHECK_MESSAGE(
  64             compare_streams_in_chars(first, second),
  65             "failed reading from filtering_stream<bidirectional>"
  66             "in chars with large buffer"
  67         );
  68     }
  69
  70     {
  71         test_file src;
  72         temp_file dest; // Dummy.
  73         filtering_stream<bidirectional> first(
  74             combine(file_source(src.name()), file_sink(dest.name()))
  75         );
  76         ifstream second(test.name().c_str());
  77         BOOST_CHECK_MESSAGE(
  78             compare_streams_in_chunks(first, second),
  79             "failed reading from filtering_stream<bidirectional>"
  80             "in chunks with large buffer"
  81         );
  82     }
  83 }
  84
  85 #endif // #ifndef BOOST_IOSTREAMS_TEST_READ_BIDIRECTIONAL_HPP_INCLUDED