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Test unions.

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This commit is contained in:
Rob Rix 2015-12-14 18:13:19 -05:00
parent 62a4327bda
commit 4fd12e7223
1 changed files with 4 additions and 0 deletions
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4
test/OrderedMapSpec.hs
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@ -16,6 +16,10 @@ spec = do
it "should return those elements in either a or b" $
Map.union a b `shouldBe` (Map.fromList $ ("a", 1) : Map.toList b)
describe "unions" $ do
it "is the union of multiple maps" $
Map.unions [ a, b ] `shouldBe` Map.union a b
describe "intersectionWith" $ do
it "should return those elements in both a and b, combined with a function" $
Map.intersectionWith (+) a b `shouldBe` (Map.fromList [ ("b", 4), ("c", 6) ])