libs/iostreams/test/read_input_istream_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_INPUT_ISTREAM_HPP_INCLUDED
   9 #define BOOST_IOSTREAMS_TEST_READ_INPUT_ISTREAM_HPP_INCLUDED
  10
  11 #include <fstream>
  12 #include <boost/iostreams/filtering_stream.hpp>
  13 #include <boost/test/test_tools.hpp>
  14 #include "detail/temp_file.hpp"
  15 #include "detail/verification.hpp"
  16
  17 void read_input_istream_test()
  18 {
  19     using namespace std;
  20     using namespace boost;
  21     using namespace boost::iostreams;
  22     using namespace boost::iostreams::test;
  23
  24     test_file test;
  25
  26     {
  27         test_file test2;
  28         ifstream src(test2.name().c_str());
  29         filtering_istream first(src, 0);
  30         ifstream second(test.name().c_str());
  31         BOOST_CHECK_MESSAGE(
  32             compare_streams_in_chars(first, second),
  33             "failed reading from filtering_istream based on an istream"
  34             "in chars with no buffer"
  35         );
  36     }
  37
  38     {
  39         test_file test2;
  40         ifstream src(test2.name().c_str());
  41         filtering_istream first(src, 0);
  42         ifstream second(test.name().c_str());
  43         BOOST_CHECK_MESSAGE(
  44             compare_streams_in_chunks(first, second),
  45             "failed reading from filtering_istream based on an istream"
  46             "in chunks with no buffer"
  47         );
  48     }
  49
  50     {
  51         test_file test2;
  52         ifstream src(test2.name().c_str());
  53         filtering_istream first(src);
  54         ifstream second(test.name().c_str());
  55         BOOST_CHECK_MESSAGE(
  56             compare_streams_in_chars(first, second),
  57             "failed reading from filtering_istream based on an istream"
  58             "in chars with large buffer"
  59         );
  60     }
  61
  62     {
  63         test_file test2;
  64         ifstream src(test2.name().c_str());
  65         filtering_istream first(src);
  66         ifstream second(test.name().c_str());
  67         BOOST_CHECK_MESSAGE(
  68             compare_streams_in_chunks(first, second),
  69             "failed reading from filtering_istream based on an istream"
  70             "in chunks with large buffer"
  71         );
  72     }
  73 }
  74
  75 #endif // #ifndef BOOST_IOSTREAMS_TEST_READ_INPUT_ISTREAM_HPP_INCLUDED