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{-|
Module : Parser
Description : Test the parser.
Copyright : (c) 2019, Yann Herklotz Grave
License : GPL-3
Maintainer : ymherklotz [at] gmail [dot] com
Stability : experimental
Portability : POSIX
Test the parser.
-}
module Parser
( parserTests
)
where
import Data.Either (either, isRight)
import Hedgehog (Gen, Property, (===))
import qualified Hedgehog as Hog
import qualified Hedgehog.Gen as Hog
import Test.Tasty
import Test.Tasty.Hedgehog
import Text.Parsec
import VeriFuzz
import VeriFuzz.Verilog.Lex
import VeriFuzz.Verilog.Parser
randomMod' :: Gen ModDecl
randomMod' = Hog.resize 20 (randomMod 3 10)
parserInput :: Property
parserInput = Hog.property $ do
v <- Hog.forAll randomMod'
Hog.assert . isRight $ parse parseModDecl
"input_test.v"
(alexScanTokens $ str v)
where str = show . GenVerilog
parserIdempotent :: Property
parserIdempotent = Hog.property $ do
v <- Hog.forAll randomMod'
let sv = vshow v
p sv === (p . p) sv
where
vshow = show . GenVerilog
p sv =
either (\x -> show x <> "\n" <> sv) vshow
. parse parseModDecl "idempotent_test.v"
$ alexScanTokens sv
parserTests :: TestTree
parserTests = testGroup "Parser tests"
[ testProperty "Input" parserInput
, testProperty "Idempotence" parserIdempotent
]
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