249 lines
11 KiB
C++
249 lines
11 KiB
C++
/*****************************************************************************
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*
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* This file is part of Mapnik (c++ mapping toolkit)
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*
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* Copyright (C) 2021 Artem Pavlenko
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*****************************************************************************/
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#include "catch.hpp"
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#include "ds_test_util.hpp"
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#include <mapnik/unicode.hpp>
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#include <mapnik/datasource.hpp>
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#include <mapnik/datasource_cache.hpp>
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#include <mapnik/geometry.hpp>
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#include <mapnik/geometry/geometry_type.hpp>
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#include <mapnik/util/fs.hpp>
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#include <cstdlib>
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#include <algorithm>
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#include <cctype>
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#include <locale>
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TEST_CASE("Geobuf")
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{
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const bool have_geobuf_plugin = mapnik::datasource_cache::instance().plugin_registered("geobuf");
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if (have_geobuf_plugin)
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{
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SECTION("Point")
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{
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//{"type":"Feature","id":1,"geometry":{"type":"Point","coordinates":[102,0.5]},"properties":{"prop0":"value0"}}
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mapnik::parameters params;
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params["type"] = "geobuf";
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params["file"] = "./test/data/geobuf/point.geobuf";
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auto ds = mapnik::datasource_cache::instance().create(params);
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auto fs = all_features(ds);
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auto f = fs->next();
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auto const& geometry = f->get_geometry();
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auto const& pt = mapnik::util::get<mapnik::geometry::point<double>>(geometry);
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REQUIRE(pt.x == 102.0);
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REQUIRE(pt.y == 0.5);
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CHECK(fs->next() == nullptr);
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}
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SECTION("MultiPoint")
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{
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//{"type":"Feature","id":1,"geometry":{"type":"MultiPoint","coordinates":[[100,0],[101,1]]},"properties":{"prop0":"value0"}}
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mapnik::parameters params;
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params["type"] = "geobuf";
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params["file"] = "./test/data/geobuf/multipoint.geobuf";
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auto ds = mapnik::datasource_cache::instance().create(params);
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auto fs = all_features(ds);
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auto f = fs->next();
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auto const& geometry = f->get_geometry();
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auto const& mpt = mapnik::util::get<mapnik::geometry::multi_point<double>>(geometry);
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CHECK(mpt.size() == 2);
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REQUIRE(mpt[0].x == 100.0);
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REQUIRE(mpt[0].y == 0.0);
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REQUIRE(mpt[1].x == 101.0);
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REQUIRE(mpt[1].y == 1.0);
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CHECK(fs->next() == nullptr);
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}
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SECTION("LineString")
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{
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//{"type":"Feature","id":1,"geometry":{"type":"LineString","coordinates":[[102,0],[103,1],[104,0],[105,1]]},"properties":{"prop0":"value0","prop1":0}}
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mapnik::parameters params;
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params["type"] = "geobuf";
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params["file"] = "./test/data/geobuf/linestring.geobuf";
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auto ds = mapnik::datasource_cache::instance().create(params);
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auto fs = all_features(ds);
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auto f = fs->next();
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auto const& geometry = f->get_geometry();
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auto const& line = mapnik::util::get<mapnik::geometry::line_string<double>>(geometry);
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CHECK(line.size() == 4);
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REQUIRE(line[0].x == 102.0);
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REQUIRE(line[0].y == 0);
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REQUIRE(line[1].x == 103.0);
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REQUIRE(line[1].y == 1);
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REQUIRE(line[2].x == 104.0);
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REQUIRE(line[2].y == 0);
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REQUIRE(line[3].x == 105.0);
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REQUIRE(line[3].y == 1);
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CHECK(fs->next() == nullptr);
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}
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SECTION("MultiLineString")
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{
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//{"type":"Feature","id":1,"geometry":{"type":"MultiLineString","coordinates":[[[100,0],[101,1]],[[102,2],[103,3]]]},"properties":{"prop0":"value0","prop1":0}}
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mapnik::parameters params;
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params["type"] = "geobuf";
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params["file"] = "./test/data/geobuf/multilinestring.geobuf";
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auto ds = mapnik::datasource_cache::instance().create(params);
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auto fs = all_features(ds);
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auto f = fs->next();
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auto const& geometry = f->get_geometry();
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auto const& mline = mapnik::util::get<mapnik::geometry::multi_line_string<double>>(geometry);
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CHECK(mline.size() == 2);
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auto const& line1 = mline[0];
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REQUIRE(line1[0].x == 100.0);
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REQUIRE(line1[0].y == 0.0);
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REQUIRE(line1[1].x == 101.0);
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REQUIRE(line1[1].y == 1.0);
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auto const& line2 = mline[1];
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REQUIRE(line2[0].x == 102.0);
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REQUIRE(line2[0].y == 2.0);
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REQUIRE(line2[1].x == 103.0);
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REQUIRE(line2[1].y == 3.0);
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CHECK(fs->next() == nullptr);
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}
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SECTION("Polygon")
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{
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//{"type":"Feature","id":1,"geometry":{"type":"Polygon","coordinates":[[[100,0],[101,0],[101,1],[100,1],[100,0]],[[100.8,0.8],[100.8,0.2],[100.2,0.2],[100.2,0.8],[100.8,0.8]]]},"properties":{"prop0":"value0","prop1":"{\"this\":\"that\"}"}}
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auto files = {"./test/data/geobuf/polygon.geobuf",
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"./test/data/geobuf/standalone-feature.geobuf",
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"./test/data/geobuf/standalone-geometry.geobuf"};
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mapnik::parameters params;
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params["type"] = "geobuf";
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for (auto const& filename : files)
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{
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params["file"] = filename;
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auto ds = mapnik::datasource_cache::instance().create(params);
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auto fs = all_features(ds);
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auto f = fs->next();
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auto const& geometry = f->get_geometry();
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auto const& poly = mapnik::util::get<mapnik::geometry::polygon<double>>(geometry);
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CHECK(poly.size() == 2);
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auto const& exterior = poly[0];
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REQUIRE(exterior[0].x == 100);
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REQUIRE(exterior[0].y == 0);
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REQUIRE(exterior[1].x == 101);
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REQUIRE(exterior[1].y == 0);
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REQUIRE(exterior[2].x == 101);
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REQUIRE(exterior[2].y == 1);
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REQUIRE(exterior[3].x == 100);
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REQUIRE(exterior[3].y == 1);
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REQUIRE(exterior[4].x == 100);
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REQUIRE(exterior[4].y == 0);
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auto const& interior = poly[1];
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REQUIRE(interior[0].x == 100.8);
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REQUIRE(interior[0].y == 0.8);
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REQUIRE(interior[1].x == 100.8);
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REQUIRE(interior[1].y == 0.2);
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REQUIRE(interior[2].x == 100.2);
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REQUIRE(interior[2].y == 0.2);
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REQUIRE(interior[3].x == 100.2);
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REQUIRE(interior[3].y == 0.8);
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REQUIRE(interior[4].x == 100.8);
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REQUIRE(interior[4].y == 0.8);
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CHECK(fs->next() == nullptr);
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}
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}
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SECTION("MultiPolygon")
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{
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//{"type":"Feature","id":1,"geometry":{"type":"MultiPolygon","coordinates":[[[[102,2],[103,2],[103,3],[102,3],[102,2]]],[[[100,0],[101,0],[101,1],[100,1],[100,0]],[[100.2,0.2],[100.2,0.8],[100.8,0.8],[100.8,0.2],[100.2,0.2]]]]},"properties":{"prop0":"value0","prop1":"{\"this\":\"that\"}"}}
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mapnik::parameters params;
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params["type"] = "geobuf";
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params["file"] = "./test/data/geobuf/multipolygon.geobuf";
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auto ds = mapnik::datasource_cache::instance().create(params);
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auto fs = all_features(ds);
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auto f = fs->next();
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auto const& geometry = f->get_geometry();
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auto const& mpoly = mapnik::util::get<mapnik::geometry::multi_polygon<double>>(geometry);
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CHECK(mpoly.size() == 2);
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{
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auto const& poly = mpoly[0];
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auto const& exterior = poly[0];
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REQUIRE(exterior[0].x == 102);
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REQUIRE(exterior[0].y == 2);
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REQUIRE(exterior[1].x == 103);
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REQUIRE(exterior[1].y == 2);
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REQUIRE(exterior[2].x == 103);
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REQUIRE(exterior[2].y == 3);
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REQUIRE(exterior[3].x == 102);
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REQUIRE(exterior[3].y == 3);
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REQUIRE(exterior[4].x == 102);
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REQUIRE(exterior[4].y == 2);
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}
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{
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auto const& poly = mpoly[1];
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auto const& exterior = poly[0];
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REQUIRE(exterior[0].x == 100);
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REQUIRE(exterior[0].y == 0);
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REQUIRE(exterior[1].x == 101);
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REQUIRE(exterior[1].y == 0);
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REQUIRE(exterior[2].x == 101);
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REQUIRE(exterior[2].y == 1);
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REQUIRE(exterior[3].x == 100);
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REQUIRE(exterior[3].y == 1);
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REQUIRE(exterior[4].x == 100);
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REQUIRE(exterior[4].y == 0);
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auto const& interior = poly[1];
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REQUIRE(interior[0].x == 100.2);
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REQUIRE(interior[0].y == 0.2);
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REQUIRE(interior[1].x == 100.2);
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REQUIRE(interior[1].y == 0.8);
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REQUIRE(interior[2].x == 100.8);
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REQUIRE(interior[2].y == 0.8);
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REQUIRE(interior[3].x == 100.8);
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REQUIRE(interior[3].y == 0.2);
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REQUIRE(interior[4].x == 100.2);
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REQUIRE(interior[4].y == 0.2);
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}
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CHECK(fs->next() == nullptr);
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}
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SECTION("GeometryCollection")
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{
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//{"type":"Feature","id":1,"geometry":{"type":"GeometryCollection","geometries":[{"type":"Point","coordinates":[100,0]},{"type":"LineString","coordinates":[[101,0],[102,1]]}]},"properties":{"prop0":"value0","prop1":"{\"this\":\"that\"}"}}
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mapnik::parameters params;
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params["type"] = "geobuf";
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params["file"] = "./test/data/geobuf/geometrycollection.geobuf";
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auto ds = mapnik::datasource_cache::instance().create(params);
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auto fs = all_features(ds);
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auto f = fs->next();
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auto const& geometry = f->get_geometry();
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auto const& collection = mapnik::util::get<mapnik::geometry::geometry_collection<double>>(geometry);
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CHECK(collection.size() == 2);
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auto const& pt = mapnik::util::get<mapnik::geometry::point<double>>(collection[0]);
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REQUIRE(pt.x == 100.0);
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REQUIRE(pt.y == 0.0);
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auto const& line = mapnik::util::get<mapnik::geometry::line_string<double>>(collection[1]);
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REQUIRE(line[0].x == 101.0);
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REQUIRE(line[0].y == 0.0);
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REQUIRE(line[1].x == 102.0);
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REQUIRE(line[1].y == 1);
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CHECK(fs->next() == nullptr);
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}
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}
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}
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