tests are running now
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sebastian
parent
506d8733d9
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2 changed files with 101 additions and 95 deletions
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@ -1,8 +1,8 @@
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{-# LANGUAGE LambdaCase #-}
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{-# LANGUAGE OverloadedStrings #-}
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{-# LANGUAGE PatternSynonyms #-}
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{-# HLINT ignore "Use camelCase" #-}
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{-# OPTIONS_GHC -Wno-unrecognised-pragmas #-}
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{-# LANGUAGE LambdaCase #-}
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{-# LANGUAGE PatternSynonyms #-}
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module TestTypeCheckerBidir (testTypeCheckerBidir) where
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@ -14,8 +14,7 @@ import Grammar.Par (myLexer, pProgram)
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import Renamer.Renamer (rename)
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import TypeChecker.RemoveTEVar (RemoveTEVar (rmTEVar))
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import TypeChecker.TypeCheckerBidir (typecheck)
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import qualified TypeChecker.TypeCheckerIr as T
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import TypeChecker.TypeCheckerIr qualified as T
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testTypeCheckerBidir = describe "Bidirectional type checker test" $ do
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tc_id
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@ -30,45 +29,57 @@ testTypeCheckerBidir = describe "Bidirectional type checker test" $ do
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tc_mono_case
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tc_pol_case
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tc_id = specify "Basic identity function polymorphism" $ run
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tc_id =
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specify "Basic identity function polymorphism" $
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run
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[ "id : forall a. a -> a;"
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, "id x = x;"
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, "main = id 4;"
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] `shouldSatisfy` ok
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]
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`shouldSatisfy` ok
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tc_double = specify "Addition inference" $ run
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["double x = x + x;"] `shouldSatisfy` ok
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tc_double =
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specify "Addition inference" $
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run
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["double x = x + x;"]
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`shouldSatisfy` ok
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tc_add_lam =
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specify "Addition lambda inference" $
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run
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["four = (\\x. x + x) 2;"]
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`shouldSatisfy` ok
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tc_add_lam = specify "Addition lambda inference" $ run
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["four = (\\x. x + x) 2;"] `shouldSatisfy` ok
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tc_const = specify "Basic polymorphism with multiple type variables" $ run
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tc_const =
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specify "Basic polymorphism with multiple type variables" $
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run
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[ "const : forall a. forall b. a -> b -> a;"
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, "const x y = x;"
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, "main = const 'a' 65;"
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] `shouldSatisfy` ok
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]
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`shouldSatisfy` ok
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tc_simple_rank2 = specify "Simple rank two polymorphism" $ run
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tc_simple_rank2 =
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specify "Simple rank two polymorphism" $
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run
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[ "id : forall a. a -> a;"
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, "id x = x;"
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, "f : forall a. a -> (forall b. b -> b) -> a;"
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, "f x g = g x;"
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, "main = f 4 id;"
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] `shouldSatisfy` ok
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]
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`shouldSatisfy` ok
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tc_rank2 = specify "Rank two polymorphism is ok" $ run
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tc_rank2 =
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specify "Rank two polymorphism is ok" $
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run
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[ "const : forall a. forall b. a -> b -> a;"
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, "const x y = x;"
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, "rank2 : forall a. forall b. a -> (forall c. c -> Int) -> b -> Int;"
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, "rank2 x f y = f x + f y;"
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, "main = rank2 3 (\\x. const 5 x : forall a. a -> Int) 'h';"
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] `shouldSatisfy` ok
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]
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`shouldSatisfy` ok
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tc_identity = describe "(∀b. b → b) should only accept the identity function" $ do
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specify "identityᵢₙₜ is rejected" $ run (fs ++ id_int) `shouldNotSatisfy` ok
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@ -77,10 +88,8 @@ tc_identity = describe "(∀b. b → b) should only accept the identity function
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fs =
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[ "f : forall a. a -> (forall b. b -> b) -> a;"
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, "f x g = g x;"
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, "id : forall a. a -> a;"
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, "id x = x;"
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, "id_int : Int -> Int;"
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, "id_int x = x;"
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]
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@ -101,7 +110,6 @@ tc_pair = describe "Pair. Type variables in Pair a b typechecked" $ do
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[ "data forall a. forall b. Pair (a b) where {"
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, " Pair : a -> b -> Pair (a b)"
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, "};"
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, "main : Pair (Int Char);"
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]
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wrong = ["main = Pair 'a' 65;"]
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@ -121,17 +129,16 @@ tc_tree = describe "Tree. Recursive data type" $ do
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correct = ["tree = Node 1 (Node 2 (Leaf 4) (Leaf 5)) (Leaf 3);"]
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tc_mono_case = describe "Monomorphic pattern matching" $ do
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specify "First wrong case expression rejected"
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$ run wrong1 `shouldNotSatisfy` ok
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specify "Second wrong case expression rejected"
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$ run wrong2 `shouldNotSatisfy` ok
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specify "Third wrong case expression rejected"
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$ run wrong3 `shouldNotSatisfy` ok
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specify "First correct case expression accepted"
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$ run correct1 `shouldSatisfy` ok
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specify "Second correct case expression accepted"
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$ run correct2 `shouldSatisfy` ok
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specify "First wrong case expression rejected" $
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run wrong1 `shouldNotSatisfy` ok
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specify "Second wrong case expression rejected" $
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run wrong2 `shouldNotSatisfy` ok
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specify "Third wrong case expression rejected" $
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run wrong3 `shouldNotSatisfy` ok
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specify "First correct case expression accepted" $
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run correct1 `shouldSatisfy` ok
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specify "Second correct case expression accepted" $
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run correct2 `shouldSatisfy` ok
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where
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wrong1 =
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[ "simple : Int -> Int;"
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@ -170,16 +177,16 @@ tc_mono_case = describe "Monomorphic pattern matching" $ do
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]
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tc_pol_case = describe "Polymophic pattern matching" $ do
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specify "First wrong case expression rejected"
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$ run (fs ++ wrong1) `shouldNotSatisfy` ok
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specify "Second wrong case expression rejected"
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$ run (fs ++ wrong2) `shouldNotSatisfy` ok
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specify "Third wrong case expression rejected"
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$ run (fs ++ wrong3) `shouldNotSatisfy` ok
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specify "First correct case expression accepted"
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$ run (fs ++ correct1) `shouldSatisfy` ok
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specify "Second correct case expression accepted"
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$ run (fs ++ correct2) `shouldSatisfy` ok
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specify "First wrong case expression rejected" $
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run (fs ++ wrong1) `shouldNotSatisfy` ok
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specify "Second wrong case expression rejected" $
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run (fs ++ wrong2) `shouldNotSatisfy` ok
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specify "Third wrong case expression rejected" $
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run (fs ++ wrong3) `shouldNotSatisfy` ok
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specify "First correct case expression accepted" $
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run (fs ++ correct1) `shouldSatisfy` ok
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specify "Second correct case expression accepted" $
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run (fs ++ correct2) `shouldSatisfy` ok
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where
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fs =
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[ "data forall a. List (a) where {"
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@ -7,16 +7,15 @@ import Control.Monad ((<=<))
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import DoStrings qualified as D
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import Grammar.Par (myLexer, pProgram)
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import Test.Hspec
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import Prelude (Bool (..), Either (..), IO, mapM_, not, ($), (.))
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import Prelude (Bool (..), Either (..), IO, foldl1, mapM_, not, ($), (.), (>>))
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-- import Test.QuickCheck
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import TypeChecker.TypeChecker (typecheck)
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import TypeChecker.TypeCheckerHm (typecheck)
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main :: IO ()
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main = do
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mapM_ hspec goods
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mapM_ hspec bads
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mapM_ hspec bes
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testTypeCheckerHm = describe "Hindley-Milner type checker test" $ do
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foldl1 (>>) goods
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foldl1 (>>) bads
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foldl1 (>>) bes
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goods =
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[ testSatisfy
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