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{- arch-tag: FiniteMap tests main file
Copyright (C) 2004 John Goerzen <jgoerzen@complete.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-}
module FiniteMaptest(tests) where
import HUnit
import MissingH.FiniteMap
import Data.FiniteMap
test_flipFM =
let f inp exp = TestCase $ (listToFM exp) @=? flipFM (listToFM 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_flippedLookupFM =
let f item inp exp = TestCase $ exp @=? flippedLookupFM (listToFM inp) item 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 "flipFM" (TestList test_flipFM),
TestLabel "flippedLookupFM" (TestList test_flippedLookupFM)
]
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