Add missing data test

Reproduces the failure from [1], which seems to be because the graph was
not correctly noded, which is one of the requirements to use the Geos
Polygonizer.

[1] #87

tests/polygonizer-tests.cpp

@@ -83,3 +83,51 @@ TEST(PolygonizerTests, SimplePolygonWithDangles)
     EXPECT_TRUE(dangles.at(0)->equals(dangle1.get()));
     EXPECT_TRUE(dangles.at(1)->equals(dangle2.get()));
 }
+
+TEST(PolygonizerTests, DISABLED_MissingData)
+{
+    const auto* factory = geos::geom::GeometryFactory::getDefaultInstance();
+    auto graph = generative::noding::GeometryGraph(*factory);
+
+    std::vector<generative::noding::GeometryGraph::Node> nodes;
+    nodes.emplace_back(
+        0, std::unique_ptr<geos::geom::Point>(factory->createPoint(geos::geom::Coordinate(0, 0))));
+    nodes.emplace_back(
+        1, std::unique_ptr<geos::geom::Point>(factory->createPoint(geos::geom::Coordinate(1, 0))));
+    nodes.emplace_back(
+        2, std::unique_ptr<geos::geom::Point>(factory->createPoint(geos::geom::Coordinate(2, 0))));
+    nodes.emplace_back(
+        3, std::unique_ptr<geos::geom::Point>(factory->createPoint(geos::geom::Coordinate(0, 1))));
+    nodes.emplace_back(
+        4, std::unique_ptr<geos::geom::Point>(factory->createPoint(geos::geom::Coordinate(1, 1))));
+    graph.set_nodes(std::move(nodes));
+
+    graph.add_edge(0, 1);
+    // TODO: This is the culprit - I think this edge is incorrectly noded.
+    graph.add_edge(0, 2);
+    graph.add_edge(1, 2);
+    graph.add_edge(1, 3);
+    graph.add_edge(2, 4);
+    graph.add_edge(3, 4);
+
+    const auto owned_edges = graph.get_edges();
+    std::vector<const geos::geom::Geometry*> edges;
+    std::transform(
+        owned_edges.begin(),
+        owned_edges.end(),
+        std::back_inserter(edges),
+        [](const std::unique_ptr<geos::geom::LineString>& edge) -> const geos::geom::Geometry* {
+            return edge.get();
+        });
+
+    auto polygonizer = geos::operation::polygonize::Polygonizer();
+    polygonizer.add(&edges);
+
+    ASSERT_FALSE(polygonizer.hasInvalidRingLines());
+
+    const auto polys = polygonizer.getPolygons();
+    const auto dangles = polygonizer.getDangles();
+
+    EXPECT_THAT(polys, SizeIs(1));
+    EXPECT_THAT(dangles, SizeIs(1));
+}