126 lines
4.1 KiB
C++
126 lines
4.1 KiB
C++
#include <boost/test/unit_test.hpp>
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#include "util/coordinate_calculation.hpp"
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#include <osrm/coordinate.hpp>
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#include <cmath>
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using namespace osrm;
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using namespace osrm::util;
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BOOST_AUTO_TEST_SUITE(coordinate_calculation_tests)
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// Regression test for bug captured in #1347
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BOOST_AUTO_TEST_CASE(regression_test_1347)
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{
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Coordinate u(FloatLongitude(-100), FloatLatitude(10));
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Coordinate v(FloatLongitude(-100.002), FloatLatitude(10.001));
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Coordinate q(FloatLongitude(-100.001), FloatLatitude(10.002));
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double d1 = coordinate_calculation::perpendicularDistance(u, v, q);
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double ratio;
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Coordinate nearest_location;
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double d2 = coordinate_calculation::perpendicularDistance(u, v, q, nearest_location, ratio);
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BOOST_CHECK_LE(std::abs(d1 - d2), 0.01);
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}
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BOOST_AUTO_TEST_CASE(regression_point_on_segment)
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{
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// ^
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// | t
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// |
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// | i
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// |
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// |---|---|---|---|---|---|---|--->
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// |
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// |
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// |
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// |
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// |
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// |
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// |
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// |
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// | s
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FloatCoordinate input{FloatLongitude{55.995715}, FloatLatitude{48.332711}};
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FloatCoordinate start{FloatLongitude{74.140427}, FloatLatitude{-180}};
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FloatCoordinate target{FloatLongitude{53.041084}, FloatLatitude{77.21011}};
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FloatCoordinate nearest;
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double ratio;
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std::tie(ratio, nearest) = coordinate_calculation::projectPointOnSegment(start, target, input);
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FloatCoordinate diff{target.lon - start.lon, target.lat - start.lat};
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BOOST_CHECK_CLOSE(static_cast<double>(start.lon + FloatLongitude(ratio) * diff.lon), static_cast<double>(nearest.lon), 0.1);
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BOOST_CHECK_CLOSE(static_cast<double>(start.lat + FloatLatitude(ratio) * diff.lat), static_cast<double>(nearest.lat), 0.1);
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}
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BOOST_AUTO_TEST_CASE(point_on_segment)
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{
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// t
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// |
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// |---- i
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// |
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// s
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auto result_1 = coordinate_calculation::projectPointOnSegment(
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{FloatLongitude{0}, FloatLatitude{0}}, {FloatLongitude{0}, FloatLatitude{2}},
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{FloatLongitude{2}, FloatLatitude{1}});
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auto reference_ratio_1 = 0.5;
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auto reference_point_1 = FloatCoordinate{FloatLongitude{0}, FloatLatitude{1}};
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BOOST_CHECK_EQUAL(result_1.first, reference_ratio_1);
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BOOST_CHECK_EQUAL(result_1.second.lon, reference_point_1.lon);
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BOOST_CHECK_EQUAL(result_1.second.lat, reference_point_1.lat);
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// i
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// :
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// t
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// |
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// |
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// |
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// s
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auto result_2 = coordinate_calculation::projectPointOnSegment(
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{FloatLongitude{0.}, FloatLatitude{0.}}, {FloatLongitude{0}, FloatLatitude{2}},
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{FloatLongitude{0}, FloatLatitude{3}});
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auto reference_ratio_2 = 1.;
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auto reference_point_2 = FloatCoordinate{FloatLongitude{0}, FloatLatitude{2}};
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BOOST_CHECK_EQUAL(result_2.first, reference_ratio_2);
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BOOST_CHECK_EQUAL(result_2.second.lon, reference_point_2.lon);
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BOOST_CHECK_EQUAL(result_2.second.lat, reference_point_2.lat);
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// t
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// |
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// |
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// |
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// s
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// :
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// i
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auto result_3 = coordinate_calculation::projectPointOnSegment(
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{FloatLongitude{0.}, FloatLatitude{0.}}, {FloatLongitude{0}, FloatLatitude{2}},
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{FloatLongitude{0}, FloatLatitude{-1}});
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auto reference_ratio_3 = 0.;
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auto reference_point_3 = FloatCoordinate{FloatLongitude{0}, FloatLatitude{0}};
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BOOST_CHECK_EQUAL(result_3.first, reference_ratio_3);
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BOOST_CHECK_EQUAL(result_3.second.lon, reference_point_3.lon);
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BOOST_CHECK_EQUAL(result_3.second.lat, reference_point_3.lat);
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// t
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// /
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// /.
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// / i
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// s
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//
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auto result_4 = coordinate_calculation::projectPointOnSegment(
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{FloatLongitude{0}, FloatLatitude{0}}, {FloatLongitude{1}, FloatLatitude{1}},
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{FloatLongitude{0.5 + 0.1}, FloatLatitude{0.5 - 0.1}});
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auto reference_ratio_4 = 0.5;
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auto reference_point_4 = FloatCoordinate{FloatLongitude{0.5}, FloatLatitude{0.5}};
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BOOST_CHECK_EQUAL(result_4.first, reference_ratio_4);
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BOOST_CHECK_EQUAL(result_4.second.lon, reference_point_4.lon);
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BOOST_CHECK_EQUAL(result_4.second.lat, reference_point_4.lat);
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}
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BOOST_AUTO_TEST_SUITE_END()
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