public void AllFilterGraphTests() { var map = new GraphMap <string, IGraphNode <string>, IGraphEdge <string> >() { new GraphNode <string>("Node1"), new GraphNode <string>("Node2"), new GraphNode <string>("Node3"), new GraphNode <string>("Node4"), new GraphEdge <string>("Node1", "Node2"), new GraphEdge <string>("Node2", "Node3"), new GraphEdge <string>("Node1", "Node4"), }; var filter = map.CreateFilter() .Include(map.Nodes["Node1"].Key); GraphMap <string, IGraphNode <string>, IGraphEdge <string> > newMap = map.Create(filter); newMap.Nodes.Count.Should().Be(4); newMap.Nodes.Values.Any(x => x.Key == "Node1").Should().BeTrue(); newMap.Nodes.Values.Any(x => x.Key == "Node2").Should().BeTrue(); newMap.Nodes.Values.Any(x => x.Key == "Node3").Should().BeTrue(); newMap.Nodes.Values.Any(x => x.Key == "Node4").Should().BeTrue(); }