osrm-backend/unit_tests/extractor/raster_source.cpp

84 lines
3.3 KiB
C++

#include "extractor/raster_source.hpp"
#include "util/typedefs.hpp"
#include "util/osrm_exception.hpp"
#include <osrm/coordinate.hpp>
#include <boost/filesystem.hpp>
#include <boost/test/unit_test.hpp>
BOOST_AUTO_TEST_SUITE(raster_source)
int normalize(double coord) { return static_cast<int>(coord * COORDINATE_PRECISION); }
#define CHECK_QUERY(source_id, lon, lat, expected) \
BOOST_CHECK_EQUAL( \
sources.getRasterDataFromSource(source_id, normalize(lon), normalize(lat)).datum, \
expected)
#define CHECK_INTERPOLATE(source_id, lon, lat, expected) \
BOOST_CHECK_EQUAL( \
sources.getRasterInterpolateFromSource(source_id, normalize(lon), normalize(lat)).datum, \
expected)
BOOST_AUTO_TEST_CASE(raster_test)
{
SourceContainer sources;
int source_id = sources.loadRasterSource("../unit_tests/fixtures/raster_data.asc", 0, 0.09, 0,
0.09, 10, 10);
BOOST_CHECK_EQUAL(source_id, 0);
// Expected nearest-neighbor queries
// EDGES
CHECK_QUERY(0, 0.00, 0.00, 10);
CHECK_QUERY(0, 0.00, 0.09, 10);
CHECK_QUERY(0, 0.09, 0.00, 40);
CHECK_QUERY(0, 0.09, 0.09, 100);
CHECK_QUERY(0, 0.09, 0.07, 140);
// OUT OF BOUNDS
CHECK_QUERY(0, -0.1, 0.07, RasterDatum::get_invalid());
CHECK_QUERY(0, -0.1, -3.0, RasterDatum::get_invalid());
CHECK_QUERY(0, 0.3, 23.0, RasterDatum::get_invalid());
// ARBITRARY - AT DATA
CHECK_QUERY(0, 0.06, 0.06, 100);
CHECK_QUERY(0, 0.08, 0.05, 160);
CHECK_QUERY(0, 0.01, 0.05, 20);
// ARBITRARY - BETWEEN DATA
CHECK_QUERY(0, 0.054, 0.023, 40);
CHECK_QUERY(0, 0.056, 0.028, 80);
CHECK_QUERY(0, 0.05, 0.028, 60);
// Expected bilinear interpolation queries
// EDGES - same as above
CHECK_INTERPOLATE(0, 0.00, 0.00, 10);
CHECK_INTERPOLATE(0, 0.00, 0.09, 10);
CHECK_INTERPOLATE(0, 0.09, 0.00, 40);
CHECK_INTERPOLATE(0, 0.09, 0.09, 100);
CHECK_INTERPOLATE(0, 0.09, 0.07, 140);
// OUT OF BOUNDS - same as above
CHECK_INTERPOLATE(0, -0.1, 0.07, RasterDatum::get_invalid());
CHECK_INTERPOLATE(0, -0.1, -3.0, RasterDatum::get_invalid());
CHECK_INTERPOLATE(0, 0.3, 23.0, RasterDatum::get_invalid());
// ARBITRARY - AT DATA - same as above
CHECK_INTERPOLATE(0, 0.06, 0.06, 100);
CHECK_INTERPOLATE(0, 0.08, 0.05, 160);
CHECK_INTERPOLATE(0, 0.01, 0.05, 20);
// ARBITRARY - BETWEEN DATA
CHECK_INTERPOLATE(0, 0.054, 0.023, 54);
CHECK_INTERPOLATE(0, 0.056, 0.028, 68);
CHECK_INTERPOLATE(0, 0.05, 0.028, 56);
int source_already_loaded_id = sources.loadRasterSource(
"../unit_tests/fixtures/raster_data.asc", 0, 0.09, 0, 0.09, 10, 10);
BOOST_CHECK_EQUAL(source_already_loaded_id, 0);
BOOST_CHECK_THROW(sources.getRasterDataFromSource(1, normalize(0.02), normalize(0.02)),
osrm::exception);
BOOST_CHECK_THROW(
sources.loadRasterSource("../unit_tests/fixtures/nonexistent.asc", 0, 0.1, 0, 0.1, 7, 7),
osrm::exception);
}
BOOST_AUTO_TEST_SUITE_END()