Test isdigraphical

Co-Authored-By: Claudio Moroni <[email protected]>
Co-Authored-By: Pietro Monticone <[email protected]>

Author: 3 people

test/utilities.jl

@@ -2,4 +2,6 @@
 const A = reshape(rand(1:9, 1000), 10, 10, 10)
 carts_idxs = CartesianIndices(A)
 vec_idxs = MultilayerGraphs.cartIndexTovecIndex.(carts_idxs, Ref(size(A)))
-@test all(getindex.(Ref(A), carts_idxs) .== getindex.(Ref(A), vec_idxs)) 
+@test all(getindex.(Ref(A), carts_idxs) .== getindex.(Ref(A), vec_idxs)) 
+directed_graphs = [SimpleDiGraph(10,50) for i in 1:5]
+@test all(MultilayerGraphs.isdigraphical.(indegree.(directed_graphs), outdegree.(directed_graphs)))