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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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