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- // (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 "detail/filters.hpp" // Must come before operations.hpp for VC6.
- #include <boost/iostreams/categories.hpp>
- #include <boost/iostreams/constants.hpp>
- #include <boost/iostreams/device/null.hpp>
- #include <boost/iostreams/operations.hpp>
- #include <boost/test/test_tools.hpp>
- #include <boost/test/unit_test.hpp>
- using namespace std;
- using namespace boost::iostreams;
- using namespace boost::iostreams::test;
- using boost::unit_test::test_suite;
- struct optimally_buffered_filter {
- typedef char char_type;
- struct category
- : input_filter_tag,
- optimally_buffered_tag
- { };
- std::streamsize optimal_buffer_size() const
- { return default_filter_buffer_size + 1; }
- };
- void buffer_size_test()
- {
- // Test device buffer sizes.
- BOOST_CHECK_MESSAGE(
- optimal_buffer_size(null_source()) == default_device_buffer_size,
- "wrong buffer size for sourcer"
- );
- BOOST_CHECK_MESSAGE(
- optimal_buffer_size(null_sink()) == default_device_buffer_size,
- "wrong buffer size for sink"
- );
- // Test filter buffer sizes.
- BOOST_CHECK_MESSAGE(
- optimal_buffer_size(toupper_filter()) == default_filter_buffer_size,
- "wrong buffer size for input filter"
- );
- BOOST_CHECK_MESSAGE(
- optimal_buffer_size(tolower_filter()) == default_filter_buffer_size,
- "wrong buffer size for output filter"
- );
- BOOST_CHECK_MESSAGE(
- optimal_buffer_size(toupper_multichar_filter())
- ==
- default_filter_buffer_size,
- "wrong buffer size for multi-character input filter"
- );
- BOOST_CHECK_MESSAGE(
- optimal_buffer_size(tolower_multichar_filter())
- ==
- default_filter_buffer_size,
- "wrong buffer size for multi-character output filter"
- );
- // Test custom buffer size.
- BOOST_CHECK_MESSAGE(
- optimal_buffer_size(optimally_buffered_filter())
- ==
- optimally_buffered_filter().optimal_buffer_size(),
- "wrong buffer size for multi-character output filter"
- );
- }
- test_suite* init_unit_test_suite(int, char* [])
- {
- test_suite* test = BOOST_TEST_SUITE("buffer_size test");
- test->add(BOOST_TEST_CASE(&buffer_size_test));
- return test;
- }
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