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topojson test - add feature_generator

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This commit is contained in:
artemp 2016-03-17 15:10:29 +01:00
parent 04890c4915
commit 7ad568b54a
1 changed files with 9 additions and 2 deletions
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11
test/unit/datasource/topojson.cpp
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@ -54,14 +54,21 @@ TEST_CASE("topology")
{
SECTION("geometry parsing")
{
mapnik::value_integer feature_id = 0;
mapnik::context_ptr ctx = std::make_shared<mapnik::context_type>();
mapnik::transcoder tr("utf8");
for (auto const& path : mapnik::util::list_directory("test/data/topojson/"))
{
mapnik::topojson::topology topo;
REQUIRE(parse_topology(path, topo));
for (auto const& geom : topo.geometries)
{
mapnik::box2d<double> box = mapnik::util::apply_visitor(mapnik::topojson::bounding_box_visitor(topo), geom);
CHECK(box.valid());
mapnik::box2d<double> bbox = mapnik::util::apply_visitor(mapnik::topojson::bounding_box_visitor(topo), geom);
CHECK(bbox.valid());
mapnik::topojson::feature_generator<mapnik::context_ptr> visitor(ctx, tr, topo, feature_id++);
mapnik::feature_ptr feature = mapnik::util::apply_visitor(visitor, geom);
CHECK(feature);
CHECK(feature->envelope() == bbox);
}
}
}