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70 lines
2.2 KiB
C++
Executable File
70 lines
2.2 KiB
C++
Executable File
// (C) Copyright Jonathan Turkanis 2005
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt.)
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// See http://www.boost.org/libs/iostreams for documentation.
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#include <limits>
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//#include <boost/limits.hpp>
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#include <boost/iostreams/detail/ios.hpp>
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#include <boost/iostreams/positioning.hpp>
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#include <boost/test/test_tools.hpp>
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#include <boost/test/unit_test.hpp>
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#include <iostream>
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using namespace std;
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using namespace boost;
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using namespace boost::iostreams;
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using boost::unit_test::test_suite;
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void extrema_test_test()
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{
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stream_offset minoff = numeric_limits<stream_offset>::min();
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stream_offset maxoff = numeric_limits<stream_offset>::max();
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BOOST_CHECK(minoff == position_to_offset(offset_to_position(minoff)));
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BOOST_CHECK(0 == position_to_offset(offset_to_position(0)));
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BOOST_CHECK(maxoff == position_to_offset(offset_to_position(maxoff)));
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}
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void large_file_test()
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{
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stream_offset large_file = 100 * 024 * 1024 * 1024; // 100GB.
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stream_offset first = -large_file - (-large_file) % 10000000;
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stream_offset last = large_file - large_file % 10000000;
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for (stream_offset off = first; off < last; off += 10000000)
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{
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BOOST_CHECK(off == position_to_offset(offset_to_position(off)));
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}
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}
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void small_file_test()
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{
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stream_offset small_file = 1000000;
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stream_offset off = -small_file;
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streampos pos = offset_to_position(off);
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while (off < small_file)
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{
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BOOST_CHECK(off == position_to_offset(offset_to_position(off)));
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BOOST_CHECK(pos == offset_to_position(position_to_offset(pos)));
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off += 20000;
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pos += 20000;
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BOOST_CHECK(off == position_to_offset(offset_to_position(off)));
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BOOST_CHECK(pos == offset_to_position(position_to_offset(pos)));
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off -= 10000;
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pos -= 10000;
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}
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}
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test_suite* init_unit_test_suite(int, char* [])
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{
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test_suite* test = BOOST_TEST_SUITE("positioning test");
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//test->add(BOOST_TEST_CASE(&extrema_test_test));
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test->add(BOOST_TEST_CASE(&large_file_test));
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test->add(BOOST_TEST_CASE(&small_file_test));
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return test;
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}
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