p0.exterior_ring.add_coord(0,0);
std::int32_t x = 0;
std::int32_t y = 0;
std::string feature_str;
protozero::pbf_writer feature_writer(feature_str);
vector_tile::Tile_Feature feature;
REQUIRE(mapnik::vector_tile_impl::encode_geometry_pbf(p0, feature_writer, x, y));
feature.ParseFromString(feature_str);
REQUIRE(feature.type() == vector_tile::Tile_GeomType_POLYGON);
// MoveTo, ParameterInteger, ParameterInteger
// LineTo, ParameterInteger, ParameterInteger, ParameterInteger, ParameterInteger, ParameterInteger, ParameterInteger
// Close
// 3 commands + 8 Params = 11
REQUIRE(feature.geometry_size() == 11);
// MoveTo(0,0)
CHECK(feature.geometry(0) == ((1 << 3) | 1u)); // 9
CHECK(feature.geometry(1) == 0);
CHECK(feature.geometry(2) == 0);
// LineTo(0,10)
CHECK(feature.geometry(3) == ((3 << 3) | 2u));
CHECK(feature.geometry(4) == 0);
CHECK(feature.geometry(5) == 20);
// LineTo(-10,10)
CHECK(feature.geometry(6) == 19);
CHECK(feature.geometry(7) == 0);
// LineTo(-10,0)
CHECK(feature.geometry(8) == 0);
CHECK(feature.geometry(9) == 19);
// Close
