source: downloads/boost_1_34_1/libs/iostreams/test/invert_test.cpp @ 29

// (C) Copyright Jonathan Turkanis 2004-5.
// 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 <boost/iostreams/device/file.hpp>
#include <boost/iostreams/filter/test.hpp>
#include <boost/iostreams/invert.hpp>
#include <boost/test/test_tools.hpp>
#include <boost/test/unit_test.hpp>
#include "detail/filters.hpp"
#include "detail/temp_file.hpp"

using namespace boost::iostreams;
using namespace boost::iostreams::test;
using boost::unit_test::test_suite;  

void inverse_test()
{

    test_file       test;
    lowercase_file  lower;
    uppercase_file  upper;

    BOOST_CHECK( test_input_filter(
                    invert(tolower_filter()),
                    file_source(test.name(), in_mode),
                    file_source(lower.name(), in_mode) ) );

    BOOST_CHECK( test_output_filter(
                    invert(toupper_filter()),
                    file_source(test.name(), in_mode),
                    file_source(upper.name(), in_mode) ) );
}


test_suite* init_unit_test_suite(int, char* []) 
{
    test_suite* test = BOOST_TEST_SUITE("reverse test");
    test->add(BOOST_TEST_CASE(&inverse_test));
    return test;
}