| /* |
| * 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. |
| |
| * File: libs/iostreams/test/stream_offset_32bit_test.cpp |
| * Date: Sun Dec 23 21:11:23 MST 2007 |
| * Copyright: 2007-2008 CodeRage, LLC |
| * Author: Jonathan Turkanis |
| * Contact: turkanis at coderage dot com |
| * |
| * Tests the functions defined in the header "boost/iostreams/positioning.hpp" |
| * with small (32-bit) file offsets. |
| */ |
| |
| #include <boost/iostreams/positioning.hpp> |
| #include <boost/test/test_tools.hpp> |
| #include <boost/test/unit_test.hpp> |
| #include <boost/type_traits/is_integral.hpp> |
| |
| using namespace std; |
| using namespace boost; |
| using namespace boost::iostreams; |
| using boost::unit_test::test_suite; |
| |
| void stream_offset_32bit_test() |
| { |
| stream_offset small_file = 1000000; |
| stream_offset off = -small_file; |
| streampos pos = offset_to_position(off); |
| |
| while (off < small_file) |
| { |
| BOOST_CHECK(off == position_to_offset(offset_to_position(off))); |
| BOOST_CHECK(pos == offset_to_position(position_to_offset(pos))); |
| off += 20000; |
| pos += 20000; |
| BOOST_CHECK(off == position_to_offset(offset_to_position(off))); |
| BOOST_CHECK(pos == offset_to_position(position_to_offset(pos))); |
| off -= 10000; |
| pos -= 10000; |
| } |
| } |
| |
| test_suite* init_unit_test_suite(int, char* []) |
| { |
| test_suite* test = BOOST_TEST_SUITE("stream_offset 32-bit test"); |
| test->add(BOOST_TEST_CASE(&stream_offset_32bit_test)); |
| return test; |
| } |