module Tests.Move (tests) where import Test.QuickCheck import Test.Framework.Providers.QuickCheck2 import Utilities () import qualified Data.Vector.Generic as G import qualified Data.Vector.Generic.Mutable as M import qualified Data.Vector as V import qualified Data.Vector.Primitive as P import qualified Data.Vector.Storable as S import qualified Data.Vector.Unboxed as U basicMove :: G.Vector v a => v a -> Int -> Int -> Int -> v a basicMove v dstOff srcOff len | len > 0 = G.modify (\ mv -> G.copy (M.slice dstOff len mv) (G.slice srcOff len v)) v | otherwise = v testMove :: (G.Vector v a, Show (v a), Eq (v a)) => v a -> Property testMove v = G.length v > 0 ==> (do dstOff <- choose (0, G.length v - 1) srcOff <- choose (0, G.length v - 1) len <- choose (1, G.length v - max dstOff srcOff) let expected = basicMove v dstOff srcOff len let actual = G.modify (\ mv -> M.move (M.slice dstOff len mv) (M.slice srcOff len mv)) v printTestCase ("Move: " ++ show (v, dstOff, srcOff, len)) (expected == actual)) tests = [testProperty "Data.Vector.Mutable (Move)" (testMove :: V.Vector Int -> Property), testProperty "Data.Vector.Primitive.Mutable (Move)" (testMove :: P.Vector Int -> Property), testProperty "Data.Vector.Unboxed.Mutable (Move)" (testMove :: U.Vector Int -> Property), testProperty "Data.Vector.Storable.Mutable (Move)" (testMove :: S.Vector Int -> Property)]