6266c5d32f
Rename my //users directory and all places that refer to glittershark to grfn, including nix references and documentation. This may require some extra attention inside of gerrit's database after it lands to allow me to actually push things. Change-Id: I4728b7ec2c60024392c1c1fa6e0d4a59b3e266fa Reviewed-on: https://cl.tvl.fyi/c/depot/+/2933 Tested-by: BuildkiteCI Reviewed-by: tazjin <mail@tazj.in> Reviewed-by: lukegb <lukegb@tvl.fyi> Reviewed-by: glittershark <grfn@gws.fyi>
39 lines
1.5 KiB
Haskell
39 lines
1.5 KiB
Haskell
module Xanthous.Util.GraphSpec (main, test) where
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--------------------------------------------------------------------------------
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import Test.Prelude
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--------------------------------------------------------------------------------
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import Xanthous.Util.Graph
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import Data.Graph.Inductive.Basic
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import Data.Graph.Inductive.Graph (labNodes, size, order)
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import Data.Graph.Inductive.PatriciaTree
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import Data.Graph.Inductive.Arbitrary
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--------------------------------------------------------------------------------
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main :: IO ()
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main = defaultMain test
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test :: TestTree
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test = testGroup "Xanthous.Util.Graph"
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[ testGroup "mstSubGraph"
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[ testProperty "always produces a subgraph"
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$ \(CG _ (graph :: Gr Int Int)) ->
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let msg = mstSubGraph $ undir graph
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in counterexample (show msg)
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$ msg `isSubGraphOf` undir graph
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, testProperty "returns a graph with the same nodes"
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$ \(CG _ (graph :: Gr Int Int)) ->
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let msg = mstSubGraph graph
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in counterexample (show msg)
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$ labNodes msg === labNodes graph
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, testProperty "has nodes - 1 edges"
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$ \(CG _ (graph :: Gr Int Int)) ->
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order graph > 1 ==>
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let msg = mstSubGraph graph
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in counterexample (show msg)
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$ size msg === order graph - 1
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, testProperty "always produces a simple graph"
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$ \(CG _ (graph :: Gr Int Int)) ->
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let msg = mstSubGraph graph
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in counterexample (show msg) $ isSimple msg
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]
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]
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