62 lines
2.0 KiB
C++
62 lines
2.0 KiB
C++
// Boost.Geometry (aka GGL, Generic Geometry Library)
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// Unit Test
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// Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
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// Copyright (c) 2008-2012 Bruno Lalande, Paris, France.
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// Copyright (c) 2009-2012 Mateusz Loskot, London, UK.
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// Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
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// (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands.
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// Use, modification and distribution is subject to the Boost Software License,
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// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#include <geometry_test_common.hpp>
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#include <boost/geometry/geometries/geometries.hpp>
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#include <boost/geometry/io/wkt/wkt.hpp>
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#include <boost/geometry/util/rational.hpp>
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void test_coordinate_cast(std::string const& s, int expected_nom, int expected_denom)
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{
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boost::rational<int> a = bg::detail::coordinate_cast<boost::rational<int> >::apply(s);
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BOOST_CHECK_EQUAL(a.numerator(), expected_nom);
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BOOST_CHECK_EQUAL(a.denominator(), expected_denom);
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}
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void test_wkt(std::string const& wkt, std::string const expected_wkt)
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{
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bg::model::point<boost::rational<int>, 2, bg::cs::cartesian> p;
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bg::read_wkt(wkt, p);
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std::ostringstream out;
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out << bg::wkt(p);
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BOOST_CHECK_EQUAL(out.str(), expected_wkt);
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}
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int test_main(int, char* [])
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{
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test_coordinate_cast("0", 0, 1);
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test_coordinate_cast("1", 1, 1);
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test_coordinate_cast("-1", -1, 1);
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test_coordinate_cast("-0.5", -1, 2);
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test_coordinate_cast("-1.5", -3, 2);
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test_coordinate_cast("0.5", 1, 2);
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test_coordinate_cast("1.5", 3, 2);
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test_coordinate_cast("2.12345", 42469, 20000);
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test_coordinate_cast("1.", 1, 1);
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test_coordinate_cast("3/2", 3, 2);
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test_coordinate_cast("-3/2", -3, 2);
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test_wkt("POINT(1.5 2.75)", "POINT(3/2 11/4)");
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test_wkt("POINT(3/2 11/4)", "POINT(3/2 11/4)");
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test_wkt("POINT(-1.5 2.75)", "POINT(-3/2 11/4)");
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test_wkt("POINT(-3/2 11/4)", "POINT(-3/2 11/4)");
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return 0;
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}
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