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{-
Copyright (C) 2004-2011 John Goerzen <jgoerzen@complete.org>
All rights reserved.
For license and copyright information, see the file LICENSE
-}
module Maptest(tests) where
import Test.HUnit
import Data.Map.Utils
import Data.Map as M
test_flipM =
let f inp exp = TestCase $ (M.fromList exp) @=? flipM (M.fromList inp) in
[
f ([]::[(Int,Int)]) ([]::[(Int,[Int])])
,f [("a", "b")] [("b", ["a"])]
,f [("a", "b"),
("c", "b"),
("d", "e"),
("b", "b")] [("b", ["c", "b", "a"]),
("e", ["d"])]
]
test_flippedLookupM =
let f item inp exp = TestCase $ exp @=? flippedLookupM item (M.fromList inp) in
[
f 'a' ([]::[(Char, Char)]) []
,f 'a' [("Test1", 'a'), ("Test2", 'b')] ["Test1"]
,f 'a' [("Test1", 'b'), ("Test2", 'b')] []
,f 'a' [("Test1", 'a'), ("Test2", 'a')] ["Test2", "Test1"]
]
tests = TestList [TestLabel "flipM" (TestList test_flipM),
TestLabel "flippedLookupM" (TestList test_flippedLookupM)
]
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