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// (C) Copyright Jonathan Turkanis 2004
// 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 <stdexcept> // out_of_range.
#include <typeinfo>
#include <utility> // pair.
#include <boost/config.hpp> // BOOST_MSVC.
#include <boost/detail/workaround.hpp>
#include <boost/iostreams/device/file.hpp>
#include <boost/iostreams/filtering_stream.hpp>
#include <boost/iostreams/stream.hpp>
#include <boost/iostreams/stream_buffer.hpp>
#include <boost/test/test_tools.hpp>
#include <boost/test/unit_test.hpp>
#include "detail/constants.hpp"
#include "detail/filters.hpp"
#include "detail/temp_file.hpp"
#include "detail/verification.hpp"
namespace io = boost::iostreams;
using boost::unit_test::test_suite;
#define COMPARE_TYPE_ID(x, y) BOOST_IOSTREAMS_COMPARE_TYPE_ID(x, y)
struct indirect_source : io::source {
void foo() { }
std::streamsize read(char*, std::streamsize) { return 0; }
};
struct direct_source {
typedef char char_type;
struct category
: io::input, io::device_tag, io::direct_tag
{ };
void foo() { }
std::pair<char*, char*> input_sequence()
{
return std::pair<char*, char*>(0, 0);
}
};
void compile_time_test()
{
using namespace io;
stream_buffer<indirect_source> indirect_buf;
indirect_buf.open(indirect_source());
indirect_buf->foo();
stream_buffer<direct_source> direct_buf;
direct_buf.open(direct_source());
direct_buf->foo();
stream<indirect_source> indirect_stream;
indirect_stream.open(indirect_source());
indirect_stream->foo();
stream<direct_source> direct_stream;
direct_stream.open(direct_source());
direct_stream->foo();
}
void component_type_test()
{
using namespace std;
using namespace io;
using namespace boost::iostreams::test;
temp_file dest;
lowercase_file lower;
filtering_ostream out;
out.push(tolower_filter());
out.push(tolower_multichar_filter());
out.push(file_sink(dest.name(), out_mode));
// Check index 0.
BOOST_CHECK(COMPARE_TYPE_ID(
out.component_type(0),
typeid(tolower_filter)
));
BOOST_CHECK(COMPARE_TYPE_ID(
BOOST_IOSTREAMS_COMPONENT_TYPE(out, 0),
typeid(tolower_filter)
));
BOOST_CHECK_NO_THROW((
BOOST_IOSTREAMS_COMPONENT(out, 0, tolower_filter)
));
#if !BOOST_WORKAROUND(BOOST_MSVC, < 1310)
BOOST_CHECK_NO_THROW((
out.component<tolower_filter>(0)
));
BOOST_CHECK_NO_THROW((
out.component<0, tolower_filter>()
));
#endif
// Check index 1.
BOOST_CHECK(COMPARE_TYPE_ID(
out.component_type(1),
typeid(tolower_multichar_filter)
));
BOOST_CHECK(COMPARE_TYPE_ID(
BOOST_IOSTREAMS_COMPONENT_TYPE(out, 1),
typeid(tolower_multichar_filter)
));
BOOST_CHECK_NO_THROW((
BOOST_IOSTREAMS_COMPONENT(out, 1, tolower_multichar_filter)
));
#if !BOOST_WORKAROUND(BOOST_MSVC, < 1310)
BOOST_CHECK_NO_THROW((
out.component<tolower_multichar_filter>(1)
));
BOOST_CHECK_NO_THROW((
out.component<1, tolower_multichar_filter>()
));
#endif
// Check index 2.
BOOST_CHECK(COMPARE_TYPE_ID(
out.component_type(2),
typeid(file_sink)
));
BOOST_CHECK(COMPARE_TYPE_ID(
BOOST_IOSTREAMS_COMPONENT_TYPE(out, 2),
typeid(file_sink)
));
BOOST_CHECK_NO_THROW((
BOOST_IOSTREAMS_COMPONENT(out, 2, file_sink)
));
#if !BOOST_WORKAROUND(BOOST_MSVC, < 1310)
BOOST_CHECK_NO_THROW((
out.component<file_sink>(2)
));
BOOST_CHECK_NO_THROW((
out.component<2, file_sink>()
));
#endif
// Check index 3.
BOOST_CHECK_THROW(
out.component_type(3),
std::out_of_range
);
BOOST_CHECK_THROW(
BOOST_IOSTREAMS_COMPONENT_TYPE(out, 3),
std::out_of_range
);
// Check components.
filtering_ostream out2;
out2.push(*(BOOST_IOSTREAMS_COMPONENT(out, 0, tolower_filter)));
out2.push(*(BOOST_IOSTREAMS_COMPONENT(out, 1, tolower_multichar_filter)));
out2.push(*(BOOST_IOSTREAMS_COMPONENT(out, 2, file_sink)));
write_data_in_chunks(out);
out.reset();
BOOST_CHECK_MESSAGE(
compare_files(dest.name(), lower.name()),
"failed accessing components of chain"
);
}
test_suite* init_unit_test_suite(int, char* [])
{
test_suite* test = BOOST_TEST_SUITE("component_type test");
test->add(BOOST_TEST_CASE(&component_type_test));
return test;
}
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