Reparent the child nodes

Co-Authored-By: bspanoghe <70662421+bspanoghe@users.noreply.github.com>

Author: VEZY

src/compute_MTG/insert_nodes.jl

@@ -363,6 +363,11 @@ function insert_generation!(node::Node{N,A}, template, attr_fun=node -> A(), max
     # Add the new node as the only child of the node:
     rechildren!(node, Node{N,A}[new_node])
 
+    # Add the new node as parent of the children
+    for chnode in children(new_node)
+        reparent!(chnode, new_node)
+    end
+
     return node
 end
 

test/test-insert_node.jl

@@ -123,7 +123,11 @@ end
     insert_generation!(mtg_orig[1], template)
 
     @test length(mtg) == length(mtg_orig)
-    @test mtg_orig[1][1] == mtg_orig[1][1]
+    @test mtg[1][2] == mtg_orig[1][1]
+
+    parent(get_node(mtg_orig, 8)) == mtg_orig[1]
+    parent(get_node(mtg_orig, 3)) == get_node(mtg_orig, 8)
+    children(get_node(mtg_orig, 2))[1] == get_node(mtg_orig, 8)
 end
 
 @testset "test insert_generations!" begin