iostreams/test/pipeline_test.cpp
2017-09-16 07:15:09 -04:00

91 lines
2.8 KiB
C++

// (C) Copyright 2008 CodeRage, LLC (turkanis at coderage dot com)
// (C) Copyright 2004-2007 Jonathan Turkanis
// 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.
#include <fstream>
#include <boost/iostreams/device/file.hpp>
#include <boost/iostreams/filtering_stream.hpp>
#include <boost/test/test_tools.hpp>
#include <boost/test/unit_test.hpp>
#include "detail/filters.hpp"
#include "detail/sequence.hpp"
#include "detail/temp_file.hpp"
#include "detail/verification.hpp"
using boost::unit_test::test_suite;
void pipeline_test()
{
using namespace std;
using namespace boost;
using namespace boost::iostreams;
using namespace boost::iostreams::test;
{
test_file src;
filtering_istream
in1( toupper_filter() |
file_source(src.name()) );
filtering_istream
in2( toupper_filter() |
toupper_filter() |
file_source(src.name()) );
filtering_istream
in3( toupper_filter() |
toupper_filter() |
toupper_filter() |
file_source(src.name()) );
filtering_istream
in4( toupper_filter() |
toupper_filter() |
toupper_filter() |
toupper_filter() |
file_source(src.name()) );
BOOST_CHECK(in1.size() == 2);
BOOST_CHECK(in2.size() == 3);
BOOST_CHECK(in3.size() == 4);
BOOST_CHECK(in4.size() == 5);
}
{
test_file src;
uppercase_file upper;
filtering_istream
first( toupper_filter() |
toupper_multichar_filter() |
file_source(src.name(), in_mode) );
ifstream second(upper.name().c_str(), in_mode);
BOOST_CHECK_MESSAGE(
compare_streams_in_chunks(first, second),
"failed reading from a filtering_istream in chunks with a "
"multichar input filter"
);
}
{
temp_file dest;
lowercase_file lower;
filtering_ostream
out( tolower_filter() |
tolower_multichar_filter() |
file_sink(dest.name(), out_mode) );
write_data_in_chunks(out);
out.reset();
BOOST_CHECK_MESSAGE(
compare_files(dest.name(), lower.name()),
"failed writing to a filtering_ostream in chunks with a "
"multichar output filter with no buffer"
);
}
}
test_suite* init_unit_test_suite(int, char* [])
{
test_suite* test = BOOST_TEST_SUITE("pipeline test");
test->add(BOOST_TEST_CASE(&pipeline_test));
return test;
}