seek_test.hpp

C++的一个好库。。。现在很流行

// (C) Copyright Jonathan Turkanis 2004
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt.)

// See http://www.boost.org/libs/iostreams for documentation.

#ifndef BOOST_IOSTREAMS_TEST_SEEK_HPP_INCLUDED
#define BOOST_IOSTREAMS_TEST_SEEK_HPP_INCLUDED

#include <string>
#include <boost/iostreams/filtering_stream.hpp>
#include <boost/range/iterator_range.hpp>
#include <boost/test/test_tools.hpp>
#include "detail/verification.hpp"

void seek_test()
{
    using namespace std;
    using namespace boost;
    using namespace boost::iostreams;
    using namespace boost::iostreams::test;

    {
        string                      test(data_reps * data_length(), '\0');
        filtering_stream<seekable>  io(make_iterator_range(test));
        BOOST_CHECK_MESSAGE(
            test_seekable_in_chars(io),
            "failed seeking within a filtering_stream<seekable>, in chars"
        );
    }

    {
        string                      test(data_reps * data_length(), '\0');
        filtering_stream<seekable>  io(make_iterator_range(test));
        BOOST_CHECK_MESSAGE(
            test_seekable_in_chunks(io),
            "failed seeking within a filtering_stream<seekable>, in chunks"
        );
    }
}

#endif // #ifndef BOOST_IOSTREAMS_TEST_SEEK_HPP_INCLUDED