{-|
Description:    

Copyright:      (c) 2020-2021 Sam May
License:        GPL-3.0-or-later
Maintainer:     ag@eitilt.life

Stability:      experimental
Portability:    portable
-}
module Test.Libcdio.Unit.Sound.Common
    ( module Test.Libcdio.Unit.Common
    , checkLanguage
    ) where


import qualified Test.HUnit as U
import Test.HUnit ( (@?=) )

import Sound.Libcdio.Read.CdText

import Test.Libcdio.Unit.Common


checkLanguage :: [(Language, [Info])] -> CdText U.Assertion
checkLanguage ls = do
    l <- language
    let is' = lookup l ls
    t1 <- firstTrack
    tl <- lastTrack
    i <- info Nothing
    is <- mapM (info . Just) [t1..tl]
    return $ case is' of
        Just is'' -> do
            t1 @?= 1
            tl @?= fromIntegral (length is)
            i : is @?= is''
        Nothing -> U.assertFailure "Unexpected language in CdText"