test fmt

Author: CarloLucibello

GNNGraphs/test/query.jl

@@ -271,6 +271,14 @@ end
             end[1]
 
             @test gw == [1, 1, 1]
+
+        @testset  "fmt" begin
+            Asparse = adjacency_matrix(g, weighted = false, fmt = :sparse)
+            @test Asparse isa AbstractSparseMatrix 
+            Adense = adjacency_matrix(g, weighted = false, fmt = :dense)
+            @test Adense isa AbstractMatrix
+            @test !(Adense isa AbstractSparseMatrix)
+            @test collect(Asparse) == Adense
         end
     end