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CM.make "../cm/Graphs.cm"; functor TestShortestPaths(SP : SINGLE_SOURCE_SHORTEST_PATHS where type Num.elem = int) = struct val G as Graph.GRAPH g = DirectedGraph.graph("foo",(),10) : (string,int,unit) Graph.graph val _ = app (#add_node g) [(0,"s"), (1,"u"), (2,"v"), (3,"x"), (4,"y") ] val E = [(0,1,10), (0,2,5), (1,2,2), (2,1,3), (1,3,1), (2,3,9), (2,4,2), (3,4,4), (4,3,6), (4,0,7) ] val _ = app (#add_edge g) E val dist' = [0,8,5,9,7] val pred' = [~1,2,0,1,2] fun test() = let fun weight(_,_,w) = w val {dist,pred} = SP.single_source_shortest_paths {graph=G,weight=weight,s=0} val dist'' = Array.foldr op:: [] dist val pred'' = Array.foldr op:: [] pred in if dist' <> dist'' orelse pred' <> pred'' then raise Match else (); {dist=dist,pred=pred} end end structure TestDijkstra = TestShortestPaths( Dijkstra(struct open Int type elem = int val zero = 0 val inf = 10000000 val == : int * int -> bool = op= end)) structure TestBellmanFord = TestShortestPaths( BellmanFord(struct open Int type elem = int val zero = 0 val inf = 10000000 val == : int * int -> bool = op= end))

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