Contents

import Data.Char         (intToDigit)
import Test.Hspec        (Spec, it)
import Test.Hspec.Runner (configFastFail, defaultConfig, hspecWith)
import Test.QuickCheck   (Positive(Positive), (==>), property)

import qualified Numeric as Num (showIntAtBase)

import Trinary (readTri, showTri)

main :: IO ()
main = hspecWith defaultConfig {configFastFail = True} specs

specs :: Spec
specs = do

    let refShowTri n = Num.showIntAtBase 3 intToDigit n ""

    it "can show Int trinary" $
      property $ \(Positive n) -> refShowTri n == showTri (n :: Int)

    it "can show Integer trinary" $
      property $ \(Positive n) -> refShowTri n == showTri (n :: Integer)

    it "can read Int trinary" $
      property $ \(Positive n) -> n == readTri (refShowTri (n :: Int))

    it "can read Integer trinary" $
      property $ \(Positive n) -> n == readTri (refShowTri (n :: Integer))

    it "can read invalid trinary" $
      \n -> any (`notElem` ['0'..'2']) (show n) ==> (readTri . show $ n) == (0 :: Int)

Version data entries

229 entries across 229 versions & 1 rubygems

Version	Path
trackler-2.2.1.139	tracks/haskell/exercises/trinary/test/Tests.hs
trackler-2.2.1.138	tracks/haskell/exercises/trinary/test/Tests.hs
trackler-2.2.1.137	tracks/haskell/exercises/trinary/test/Tests.hs
trackler-2.2.1.136	tracks/haskell/exercises/trinary/test/Tests.hs
trackler-2.2.1.135	tracks/haskell/exercises/trinary/test/Tests.hs
trackler-2.2.1.134	tracks/haskell/exercises/trinary/test/Tests.hs
trackler-2.2.1.133	tracks/haskell/exercises/trinary/test/Tests.hs
trackler-2.2.1.132	tracks/haskell/exercises/trinary/test/Tests.hs
trackler-2.2.1.131	tracks/haskell/exercises/trinary/test/Tests.hs
trackler-2.2.1.130	tracks/haskell/exercises/trinary/test/Tests.hs
trackler-2.2.1.129	tracks/haskell/exercises/trinary/test/Tests.hs
trackler-2.2.1.128	tracks/haskell/exercises/trinary/test/Tests.hs
trackler-2.2.1.127	tracks/haskell/exercises/trinary/test/Tests.hs
trackler-2.2.1.126	tracks/haskell/exercises/trinary/test/Tests.hs
trackler-2.2.1.125	tracks/haskell/exercises/trinary/test/Tests.hs
trackler-2.2.1.124	tracks/haskell/exercises/trinary/test/Tests.hs
trackler-2.2.1.123	tracks/haskell/exercises/trinary/test/Tests.hs
trackler-2.2.1.122	tracks/haskell/exercises/trinary/test/Tests.hs
trackler-2.2.1.121	tracks/haskell/exercises/trinary/test/Tests.hs
trackler-2.2.1.120	tracks/haskell/exercises/trinary/test/Tests.hs