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-2.2.1.78	tracks/haskell/exercises/trinary/test/Tests.hs
trackler-2.2.1.77	tracks/haskell/exercises/trinary/test/Tests.hs
trackler-2.2.1.76	tracks/haskell/exercises/trinary/test/Tests.hs
trackler-2.2.1.75	tracks/haskell/exercises/trinary/test/Tests.hs
trackler-2.2.1.74	tracks/haskell/exercises/trinary/test/Tests.hs
trackler-2.2.1.73	tracks/haskell/exercises/trinary/test/Tests.hs
trackler-2.2.1.72	tracks/haskell/exercises/trinary/test/Tests.hs
trackler-2.2.1.71	tracks/haskell/exercises/trinary/test/Tests.hs
trackler-2.2.1.70	tracks/haskell/exercises/trinary/test/Tests.hs
trackler-2.2.1.69	tracks/haskell/exercises/trinary/test/Tests.hs
trackler-2.2.1.68	tracks/haskell/exercises/trinary/test/Tests.hs
trackler-2.2.1.67	tracks/haskell/exercises/trinary/test/Tests.hs
trackler-2.2.1.66	tracks/haskell/exercises/trinary/test/Tests.hs
trackler-2.2.1.65	tracks/haskell/exercises/trinary/test/Tests.hs
trackler-2.2.1.64	tracks/haskell/exercises/trinary/test/Tests.hs
trackler-2.2.1.63	tracks/haskell/exercises/trinary/test/Tests.hs
trackler-2.2.1.62	tracks/haskell/exercises/trinary/test/Tests.hs
trackler-2.2.1.61	tracks/haskell/exercises/trinary/test/Tests.hs
trackler-2.2.1.60	tracks/haskell/exercises/trinary/test/Tests.hs
trackler-2.2.1.59	tracks/haskell/exercises/trinary/test/Tests.hs