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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 <string>
- #include <boost/iostreams/filter/test.hpp>
- #include <boost/test/test_tools.hpp>
- #include <boost/test/unit_test.hpp>
- #include "detail/filters.hpp"
- using namespace boost::iostreams;
- using namespace boost::iostreams::test;
- using boost::unit_test::test_suite;
- const std::string lower =
- "in addition to providing an abstract framework the "
- "library provides a number of concrete filters, sources "
- "and sinks which serve as example applications of the "
- "library but are also useful in their own right. these "
- "include components for accessing memory-mapped files, "
- "for file access via operating system file descriptors, "
- "for code conversion, for text filtering with regular "
- "expressions, for line-ending conversion and for "
- "compression and decompression in the zlib, gzip and "
- "bzip2 formats.";
- const std::string upper =
- "IN ADDITION TO PROVIDING AN ABSTRACT FRAMEWORK THE "
- "LIBRARY PROVIDES A NUMBER OF CONCRETE FILTERS, SOURCES "
- "AND SINKS WHICH SERVE AS EXAMPLE APPLICATIONS OF THE "
- "LIBRARY BUT ARE ALSO USEFUL IN THEIR OWN RIGHT. THESE "
- "INCLUDE COMPONENTS FOR ACCESSING MEMORY-MAPPED FILES, "
- "FOR FILE ACCESS VIA OPERATING SYSTEM FILE DESCRIPTORS, "
- "FOR CODE CONVERSION, FOR TEXT FILTERING WITH REGULAR "
- "EXPRESSIONS, FOR LINE-ENDING CONVERSION AND FOR "
- "COMPRESSION AND DECOMPRESSION IN THE ZLIB, GZIP AND "
- "BZIP2 FORMATS.";
- struct toupper_dual_use_filter : public dual_use_filter {
- template<typename Source>
- int get(Source& s)
- {
- int c = boost::iostreams::get(s);
- return c != EOF && c != WOULD_BLOCK ?
- std::toupper((unsigned char) c) :
- c;
- }
- template<typename Sink>
- bool put(Sink& s, char c)
- {
- return boost::iostreams::put(
- s, (char) std::toupper((unsigned char) c)
- );
- }
- };
- struct tolower_dual_use_filter : public dual_use_filter {
- template<typename Source>
- int get(Source& s)
- {
- int c = boost::iostreams::get(s);
- return c != EOF && c != WOULD_BLOCK ?
- std::tolower((unsigned char) c) :
- c;
- }
- template<typename Sink>
- bool put(Sink& s, char c)
- {
- return boost::iostreams::put(
- s, (char) std::tolower((unsigned char) c)
- );
- }
- };
- void filter_test()
- {
- BOOST_CHECK(test_input_filter(toupper_filter(), lower, upper));
- BOOST_CHECK(test_input_filter(toupper_multichar_filter(), lower, upper));
- BOOST_CHECK(test_input_filter(toupper_dual_use_filter(), lower, upper));
- BOOST_CHECK(test_output_filter(tolower_filter(), upper, lower));
- BOOST_CHECK(test_output_filter(tolower_multichar_filter(), upper, lower));
- BOOST_CHECK(test_output_filter(tolower_dual_use_filter(), upper, lower));
- BOOST_CHECK(test_filter_pair(tolower_filter(), toupper_filter(), upper));
- BOOST_CHECK(
- test_filter_pair( tolower_multichar_filter(),
- toupper_multichar_filter(), upper )
- );
- }
- test_suite* init_unit_test_suite(int, char* [])
- {
- test_suite* test = BOOST_TEST_SUITE("filter test");
- test->add(BOOST_TEST_CASE(&filter_test));
- return test;
- }
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