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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 <fstream>
#include <boost/config.hpp>
#include <boost/detail/workaround.hpp>
#include <boost/iostreams/device/mapped_file.hpp>
#include <boost/iostreams/stream.hpp>
#include <boost/test/test_tools.hpp>
#include <boost/test/unit_test.hpp>
#include "detail/temp_file.hpp"
#include "detail/verification.hpp"
using namespace std;
using namespace boost;
using namespace boost::iostreams;
using namespace boost::iostreams::test;
using boost::unit_test::test_suite;
// Code generation bugs cause tests to fail with global optimization.
#if BOOST_WORKAROUND(BOOST_MSVC, < 1300)
# pragma optimize("g", off)
#endif
void mapped_file_test()
{
BOOST_MESSAGE("about to begin");
//--------------Reading from a mapped_file_source-------------------------//
{
// Note: the ifstream second is placed in a nested scope because
// closing and reopening a single ifstream failed for CW 9.4 on Windows.
// Test reading from a stream based on a mapped_file_source,
// in chars.
test_file test1, test2;
stream<mapped_file_source> first(test1.name());
{
ifstream second( test2.name().c_str(),
BOOST_IOS::in | BOOST_IOS::binary );
BOOST_CHECK_MESSAGE(
compare_streams_in_chars(first, second),
"failed reading from stream<mapped_file_source> in chars"
);
BOOST_MESSAGE(
"done reading from stream<mapped_file_source> in chars"
);
}
first.close();
// Test reading from a stream based on a mapped_file_source,
// in chunks. (Also tests reopening the stream.)
first.open(mapped_file_source(test1.name()));
{
ifstream second( test2.name().c_str(),
BOOST_IOS::in | BOOST_IOS::binary );
BOOST_CHECK_MESSAGE(
compare_streams_in_chunks(first, second),
"failed reading from stream<mapped_file_source> in chunks"
);
BOOST_MESSAGE(
"done reading from stream<mapped_file_source> in chunks"
);
}
}
//--------------Writing to a mapped_file_sink-----------------------------//
{
// Test writing to a stream based on a mapped_file_sink, in
// chars.
uppercase_file first, second; // Will overwrite these.
test_file test;
stream<mapped_file_sink> out;
out.open(mapped_file_sink(first.name()));
write_data_in_chars(out);
out.close();
BOOST_CHECK_MESSAGE(
compare_files(first.name(), test.name()),
"failed writing to stream<mapped_file_sink> in chars"
);
BOOST_MESSAGE(
"done writing to stream<mapped_file_source> in chars"
);
// Test writing to a stream based on a mapped_file_sink, in
// chunks. (Also tests reopening the stream.)
out.open(mapped_file_sink(second.name()));
write_data_in_chunks(out);
out.close();
BOOST_CHECK_MESSAGE(
compare_files(second.name(), test.name()),
"failed writing to stream<mapped_file_sink> in chunks"
);
BOOST_MESSAGE(
"done writing to stream<mapped_file_source> in chunks"
);
}
//--------------Writing to a newly created file-----------------------------//
{
// Test writing to a newly created mapped file.
temp_file first, second;
test_file test;
mapped_file_params p(first.name());
p.new_file_size = data_reps * data_length();
stream<mapped_file_sink> out;
out.open(mapped_file_sink(p));
write_data_in_chars(out);
out.close();
BOOST_CHECK_MESSAGE(
compare_files(first.name(), test.name()),
"failed writing to newly created mapped file in chars"
);
// Test writing to a newly created mapped file.
// (Also tests reopening the stream.)
p.path = second.name();
out.open(mapped_file_sink(p));
write_data_in_chunks(out);
out.close();
BOOST_CHECK_MESSAGE(
compare_files(second.name(), test.name()),
"failed writing to newly created mapped file in chunks"
);
}
//--------------Random access with a mapped_file--------------------------//
{
// Test reading, writing and seeking within a stream based on a
// mapped_file, in chars.
test_file test;
stream<mapped_file> io;
io.open(mapped_file(test.name()));
BOOST_CHECK_MESSAGE(
test_seekable_in_chars(io),
"failed seeking within stream<mapped_file> in chars"
);
BOOST_MESSAGE(
"done seeking within stream<mapped_file> in chars"
);
io.close();
// Test reading, writing and seeking within a stream based on a
// mapped_file, in chunks. (Also tests reopening the
// stream.)
io.open(mapped_file(test.name()));
BOOST_CHECK_MESSAGE(
test_seekable_in_chunks(io),
"failed seeking within stream<mapped_file> in chunks"
);
BOOST_MESSAGE(
"done seeking within stream<mapped_file> in chunks"
);
}
}
#if BOOST_WORKAROUND(BOOST_MSVC, < 1300)
# pragma optimize("", on)
#endif
test_suite* init_unit_test_suite(int, char* [])
{
test_suite* test = BOOST_TEST_SUITE("mapped_file test");
test->add(BOOST_TEST_CASE(&mapped_file_test));
return test;
}
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