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#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);
}
}
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