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EvalTest.hs
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EvalTest.hs
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module EvalTest where
import Test.HUnit
import Parser
import Eval
import SmileTypes
evalTest :: String -> AeExpr -> Test
evalTest input expected =
TestCase(assertEqual "number test," expected result)
where result = eval (parseOrDie input)
numberTest :: Test
numberTest = evalTest "1" (Number 1)
addTest :: Test
addTest = evalTest "(+ 1 2)" (Number 3)
addTest2 :: Test
addTest2 = evalTest "(+ 1 (+ 3 4))" (Number 8)
withTest :: Test
withTest = evalTest "(with (x 10) x)" (Number 10)
withTest2 :: Test
withTest2 = evalTest "(with (x 10) (with (y 11) y))" (Number 11)
withScope :: Test
withScope = evalTest "(with (x 10) (with (x 12) x))" (Number 12)
withBinding :: Test
withBinding = evalTest "(with (x 1) \
\ (with (x (+ x 1)) \
\ x))" (Number 2)
withBinding2 :: Test
withBinding2 = evalTest "(with (x 1) (with (y x) y))" (Number 1)
funExpr :: Test
funExpr = evalTest "((fun (x) (+ x 1)) 1)" (Number 2)
funSubstTest :: Test
funSubstTest = evalTest "(with (x 10) ((fun (y) x) 1))" (Number 10)
tests :: Test
tests = TestList [numberTest, addTest, addTest2, withTest, withTest2,
withScope, withBinding, withBinding2, funExpr,
funSubstTest]
main :: IO ()
main = do
runTestTT tests
return ()