79 lines
3.0 KiB
C++
79 lines
3.0 KiB
C++
#include "util/bearing.hpp"
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#include "util/typedefs.hpp"
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#include <boost/functional/hash.hpp>
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#include <boost/test/unit_test.hpp>
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BOOST_AUTO_TEST_SUITE(bearing_test)
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using namespace osrm;
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using namespace osrm::util;
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// Verify that the bearing-bounds checking function behaves as expected
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BOOST_AUTO_TEST_CASE(bearing_range_test)
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{
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// Simple, non-edge-case checks
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BOOST_CHECK_EQUAL(true, bearing::CheckInBounds(45, 45, 10));
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BOOST_CHECK_EQUAL(true, bearing::CheckInBounds(35, 45, 10));
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BOOST_CHECK_EQUAL(true, bearing::CheckInBounds(55, 45, 10));
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BOOST_CHECK_EQUAL(false, bearing::CheckInBounds(34, 45, 10));
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BOOST_CHECK_EQUAL(false, bearing::CheckInBounds(56, 45, 10));
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BOOST_CHECK_EQUAL(false, bearing::CheckInBounds(34, 45, 10));
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BOOST_CHECK_EQUAL(false, bearing::CheckInBounds(56, 45, 10));
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// When angle+limit goes > 360
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BOOST_CHECK_EQUAL(true, bearing::CheckInBounds(359, 355, 10));
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// When angle-limit goes < 0
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BOOST_CHECK_EQUAL(true, bearing::CheckInBounds(359, 5, 10));
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BOOST_CHECK_EQUAL(false, bearing::CheckInBounds(354, 5, 10));
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BOOST_CHECK_EQUAL(false, bearing::CheckInBounds(16, 5, 10));
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// Checking other cases of wraparound
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BOOST_CHECK_EQUAL(true, bearing::CheckInBounds(359, -5, 10));
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BOOST_CHECK_EQUAL(false, bearing::CheckInBounds(344, -5, 10));
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BOOST_CHECK_EQUAL(false, bearing::CheckInBounds(6, -5, 10));
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BOOST_CHECK_EQUAL(true, bearing::CheckInBounds(-1, 5, 10));
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BOOST_CHECK_EQUAL(false, bearing::CheckInBounds(-6, 5, 10));
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BOOST_CHECK_EQUAL(true, bearing::CheckInBounds(-721, 5, 10));
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BOOST_CHECK_EQUAL(true, bearing::CheckInBounds(719, 5, 10));
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BOOST_CHECK_EQUAL(false, bearing::CheckInBounds(1, 1, -1));
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BOOST_CHECK_EQUAL(true, bearing::CheckInBounds(1, 1, 0));
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}
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BOOST_AUTO_TEST_CASE(bearing_angle_test)
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{
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BOOST_CHECK_EQUAL(bearing::angleBetween(257.78421507794314, 77.784215077943117), 0.);
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BOOST_CHECK_EQUAL(bearing::angleBetween(77.784215077943117, 257.78421507794314), 0.);
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// Check quadrants
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BOOST_CHECK_EQUAL(bearing::angleBetween(45., 45.), 180.);
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BOOST_CHECK_EQUAL(bearing::angleBetween(45., 315.), 270.);
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BOOST_CHECK_EQUAL(bearing::angleBetween(45., 225.), 0.);
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BOOST_CHECK_EQUAL(bearing::angleBetween(45., 135.), 90.);
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BOOST_CHECK_EQUAL(bearing::angleBetween(45., 90.), 135.);
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// Check edge cases
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BOOST_CHECK_EQUAL(bearing::angleBetween(0., 360.), 180.);
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BOOST_CHECK_EQUAL(bearing::angleBetween(360., 0.), 180.);
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BOOST_CHECK_EQUAL(bearing::angleBetween(0., 0.), 180.);
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BOOST_CHECK_EQUAL(bearing::angleBetween(360., 360.), 180.);
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BOOST_CHECK_EQUAL(bearing::angleBetween(0., 180.), 0.);
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BOOST_CHECK_EQUAL(bearing::angleBetween(360., 180.), 0.);
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BOOST_CHECK_EQUAL(bearing::angleBetween(180., 0.), 0.);
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BOOST_CHECK_EQUAL(bearing::angleBetween(180., 360.), 0.);
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BOOST_CHECK_EQUAL(bearing::angleBetween(90., 270.01), 359.99);
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// 5 digits loss due to cancellation in 90+180-269.99
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BOOST_CHECK_CLOSE(bearing::angleBetween(90., 269.99), 0.01, 1e-10);
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}
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BOOST_AUTO_TEST_SUITE_END()
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