#include "catch.hpp" #include <mapnik/geometry/remove_empty.hpp> TEST_CASE("geometry remove_empty") { SECTION("point") { using geom_type = mapnik::geometry::point<double>; geom_type pt(10, 10); geom_type pt2 = mapnik::geometry::remove_empty(pt); REQUIRE(pt.x == pt2.x); REQUIRE(pt.y == pt2.y); } SECTION("multi-linestring") { using geom_type = mapnik::geometry::multi_line_string<double>; geom_type geom; mapnik::geometry::line_string<double> line; line.emplace_back(0, 0); line.emplace_back(0, 25); line.emplace_back(0, 50); geom.emplace_back(std::move(line)); geom.emplace_back(); REQUIRE(geom.size() == 2); geom_type geom2 = mapnik::geometry::remove_empty(geom); REQUIRE(geom2.size() == 1); REQUIRE(geom2[0].size() == 3); } SECTION("multi-polygon") { using geom_type = mapnik::geometry::multi_polygon<double>; geom_type geom; mapnik::geometry::polygon<double> poly; mapnik::geometry::linear_ring<double> ring; ring.emplace_back(0, 0); ring.emplace_back(1, 0); ring.emplace_back(1, 1); ring.emplace_back(0, 1); ring.emplace_back(0, 0); poly.push_back(std::move(ring)); geom.emplace_back(std::move(poly)); geom.emplace_back(); // geom.back().emplace_back(); //add an empty exterior ring REQUIRE(geom.size() == 2); geom_type geom2 = mapnik::geometry::remove_empty(geom); REQUIRE(geom2.size() == 1); REQUIRE(geom2.front().front().size() == 5); } }