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{-# LANGUAGE TemplateHaskell #-}
module Properties (runTests) where
import Data.Maybe (fromJust)
import Error.Base (unwrap)
import Evaluator (eval)
import Operators (primitives)
import Parser (Expr (..), parseLispValue, parseQuote)
import Test.QuickCheck
prop_commutativeAdd :: [Integer] -> Property
prop_commutativeAdd xs =
not (null xs) ==> rhs == lhs
where rhs = (unwrap . addition) exprs
lhs = (unwrap . addition . reverse) exprs
exprs = map IntLiteral xs
addition = fromJust $ lookup "+" primitives
prop_commutativeMul :: [Integer] -> Property
prop_commutativeMul xs =
not (null xs) ==> rhs == lhs
where rhs = (unwrap . multiplication) exprs
lhs = (unwrap . multiplication . reverse) exprs
exprs = map IntLiteral xs
multiplication = fromJust $ lookup "*" primitives
return []
runTests = $quickCheckAll
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