/***************************************************************************** * * This file is part of Mapnik (c++ mapping toolkit) * * Copyright (C) 2021 Artem Pavlenko * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA * *****************************************************************************/ #include "catch.hpp" #include #include #include #include namespace { bool test_query_point(mapnik::Map const& map, double x, double y, std::string const& name, std::string const& expected_val) { auto featureset = map.query_map_point(0u, x, y); while (auto feature = featureset->next()) { auto val = feature->get(name); return (val.to_string() == expected_val); } return false; } } TEST_CASE("Query map point") { SECTION("Polygons") { mapnik::Map map(882,780); mapnik::load_map(map, "./test/data/good_maps/wgs842merc_reprojection.xml"); map.zoom_all(); CHECK(test_query_point(map, 351, 94, "ADMIN", "Greenland")); CHECK(test_query_point(map, 402, 182,"ADMIN", "Iceland")); CHECK(test_query_point(map, 339, 687,"ADMIN", "Antarctica")); CHECK(test_query_point(map, 35, 141, "ADMIN", "Russia")); CHECK(test_query_point(map, 737, 297,"ADMIN", "Japan")); } }