2019-06-10 05:36:18 +03:00
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{-# LANGUAGE OverloadedStrings #-}
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module Main(main) where
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2021-08-12 15:23:54 +03:00
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import GHC.Driver.Session (getDynFlags)
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import GHC.Driver.Monad (liftIO)
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2019-06-10 05:36:18 +03:00
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import GHC.Paths (libdir)
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import GHC (runGhc, DynFlags)
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2021-08-12 15:23:54 +03:00
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import GHC.Utils.Outputable (Outputable)
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2019-06-10 05:36:18 +03:00
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import Test.Tasty
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import Test.Tasty.HUnit
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import GHC.SourceGen
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2019-08-31 07:32:01 +03:00
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import GhcVersion
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2019-06-10 05:36:18 +03:00
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data TestCase a = String :~ a
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infixr 0 :~
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testCases :: Outputable a => DynFlags -> String -> [TestCase a] -> TestTree
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2019-08-25 18:43:47 +03:00
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testCases dflags name cases = testGroup name $ map run cases
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2019-06-10 05:36:18 +03:00
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where
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2019-08-25 18:43:47 +03:00
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run (expected :~ x) =
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testCase (takeWhile (/='\n') expected) $ expected @=? showPpr dflags x
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2019-06-10 05:36:18 +03:00
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testTypes :: DynFlags -> String -> [TestCase HsType'] -> TestTree
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testTypes = testCases
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testExprs :: DynFlags -> String -> [TestCase HsExpr'] -> TestTree
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testExprs = testCases
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2019-07-14 16:40:18 +03:00
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testDecls :: DynFlags -> String -> [TestCase HsDecl'] -> TestTree
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testDecls = testCases
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2019-08-25 18:43:47 +03:00
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testPats :: DynFlags -> String -> [TestCase Pat'] -> TestTree
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testPats = testCases
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2020-01-03 22:20:50 +03:00
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testModule :: DynFlags -> String -> [TestCase HsModule'] -> TestTree
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testModule = testCases
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2019-08-25 18:43:47 +03:00
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2019-06-10 05:36:18 +03:00
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main :: IO ()
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main = runGhc (Just libdir) $ do
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dflags <- getDynFlags
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liftIO $ defaultMain $ testGroup "Tests"
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2020-01-03 22:20:50 +03:00
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[ typesTest dflags
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, exprsTest dflags
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, declsTest dflags
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, patsTest dflags
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, modulesTest dflags
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]
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2019-06-10 05:36:18 +03:00
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2020-01-03 22:20:50 +03:00
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typesTest, exprsTest, declsTest, patsTest, modulesTest :: DynFlags -> TestTree
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2019-06-10 05:36:18 +03:00
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typesTest dflags = testGroup "Type"
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[ test "var"
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[ "A" :~ var "A"
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, "x" :~ var "x"
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, "A.x" :~ var "A.x"
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, "x" :~ var (unqual "x")
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, "A.x" :~ var (qual "A" "x")
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]
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, test "app"
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[ "A x" :~ var "A" @@ var "x"
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, "(+) x" :~ var "+" @@ var "x"
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, "A (B x)" :~ var "A" @@ par (var "B" @@ var "x")
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2019-08-25 18:43:47 +03:00
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, "A (B x)" :~ var "A" @@ par (var "B" @@ var "x")
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, "A ((B x))" :~ var "A" @@ par (par (var "B" @@ var "x"))
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2019-06-10 05:36:18 +03:00
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, "A x (B y z)" :~ var "A" @@ var "x" @@ (var "B" @@ var "y" @@ var "z")
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, "A w (B x y) Z"
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:~ var "A" @@ var "w" @@ (var "B" @@ var "x" @@ var "y") @@ var "Z"
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]
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, test "op"
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[ "x + y" :~ op (var "x") "+" (var "y")
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, "x `add` y" :~ op (var "x") "add" (var "y")
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, "x * (y + z)" :~ op (var "x") "*" (op (var "y") "+" (var "z"))
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2019-08-25 18:43:47 +03:00
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, "(x * y) + z" :~ op (op (var "x") "*" (var "y")) "+" (var "z")
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2019-06-10 05:36:18 +03:00
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, "x `mult` (y `add` z)" :~ op (var "x") "mult" (op (var "y") "add" (var "z"))
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, "A x * (B y + C z)" :~ op (var "A" @@ var "x") "*"
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(op (var "B" @@ var "y") "+" (var "C" @@ var "z"))
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2019-08-25 18:43:47 +03:00
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, "(f . g) x" :~ op (var "f") "." (var "g") @@ var "x"
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2019-06-10 05:36:18 +03:00
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]
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, test "function"
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[ "a -> b" :~ var "a" --> var "b"
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, "a -> b -> c" :~ var "a" --> var "b" --> var "c"
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, "a -> b -> c" :~ var "a" --> (var "b" --> var "c")
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, "(a -> b) -> c" :~ (var "a" --> var "b") --> var "c"
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2019-08-25 23:24:27 +03:00
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-- These tests also check that ==> and --> have compatible precedences:
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, "A a => a -> b" :~ [var "A" @@ var "a"] ==> var "a" --> var "b"
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, "(A a, B b) => a -> b" :~
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[var "A" @@ var "a", var "B" @@ var "b"] ==> var "a" --> var "b"
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-- It appears to be correct to *not* wrap `A => c` in parentheses;
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-- GHC still parses it as a function between two HsQualTy.
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, "(A => b) -> A => c" :~
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([var "A"] ==> var "b") --> ([var "A"] ==> var "c")
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, "(A => b) -> A => c" :~
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([var "A"] ==> var "b") --> [var "A"] ==> var "c"
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2019-06-10 05:36:18 +03:00
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]
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, test "literals"
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[ "\"abc\"" :~ stringTy "abc"
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, "123" :~ numTy 123
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]
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, test "unit"
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2020-02-04 18:36:48 +03:00
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[ "()" :~ unit
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, "(# #)" :~ unboxedTuple []
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]
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2019-06-10 05:36:18 +03:00
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, test "list"
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[ "[x]" :~ listTy (var "x")
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2019-10-17 21:01:35 +03:00
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, "'[]" :~ listPromotedTy []
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, "'[x]" :~ listPromotedTy [var "x"]
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, "'[y, z]" :~ listPromotedTy [var "y", var "z"]
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2019-06-10 05:36:18 +03:00
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]
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2020-02-04 18:36:48 +03:00
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, test "tuple"
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[ "(a, b)" :~ tuple [(var "a"), (var "b")]
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, "(# a, b #)" :~ unboxedTuple [(var "a"), (var "b")]
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, "'(a, b)" :~ tuplePromotedTy [(var "a"), (var "b")]
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]
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2019-08-31 07:32:01 +03:00
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, test "tyPromotedVar"
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-- For some reason, older GHC pretty-printed an extra space.
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[ ifGhc88 "'Abc" " 'Abc" :~ tyPromotedVar "Abc"
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, ifGhc88 "T 'Abc" "T 'Abc" :~ var "T" @@ tyPromotedVar "Abc"
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]
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2019-06-10 05:36:18 +03:00
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]
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where
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test = testTypes dflags
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exprsTest dflags = testGroup "Expr"
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[ test "var"
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[ "A" :~ var "A"
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, "x" :~ var "x"
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, "A.x" :~ var "A.x"
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, "x" :~ var (unqual "x")
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, "A.x" :~ var (qual "A" "x")
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]
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, test "app"
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[ "A x" :~ var "A" @@ var "x"
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, "(+) x" :~ var "+" @@ var "x"
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2019-08-19 01:03:45 +03:00
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, "(Prelude.+) x" :~ var "Prelude.+" @@ var "x"
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2019-08-25 18:43:47 +03:00
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, "A (B x)" :~ var "A" @@ (var "B" @@ var "x")
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2019-06-10 05:36:18 +03:00
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, "A (B x)" :~ var "A" @@ par (var "B" @@ var "x")
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2019-08-25 18:43:47 +03:00
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, "A ((B x))" :~ var "A" @@ par (par (var "B" @@ var "x"))
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2019-06-10 05:36:18 +03:00
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, "A x (B y z)" :~ var "A" @@ var "x" @@ (var "B" @@ var "y" @@ var "z")
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, "A w (B x y) Z"
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:~ var "A" @@ var "w" @@ (var "B" @@ var "x" @@ var "y") @@ var "Z"
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, "A 3" :~ var "A" @@ int 3
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, "A (-3)" :~ var "A" @@ int (-3)
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2019-08-31 06:27:58 +03:00
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, "A 3.0" :~ var "A" @@ frac 3.0
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, "A (-3.0)" :~ var "A" @@ frac (-3.0)
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2019-06-10 05:36:18 +03:00
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, "A 'x'" :~ var "A" @@ char 'x'
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, "A \"xyz\"" :~ var "A" @@ string "xyz"
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2019-08-25 18:43:47 +03:00
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, "(\\ x -> x) (\\ x -> x)" :~
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2019-08-31 20:38:36 +03:00
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let f = lambda [bvar "x"] (var "x")
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2019-08-25 18:43:47 +03:00
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in f @@ f
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2019-08-26 01:24:09 +03:00
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, "f x @t" :~ tyApp (var "f" @@ var "x") (var "t")
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, "f (x @t)" :~ var "f" @@ (tyApp (var "x") (var "t"))
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2019-06-10 05:36:18 +03:00
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]
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, test "op"
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[ "x + y" :~ op (var "x") "+" (var "y")
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2019-08-19 01:03:45 +03:00
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, "x Prelude.+ y" :~ op (var "x") "Prelude.+" (var "y")
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2019-06-10 05:36:18 +03:00
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, "x `add` y" :~ op (var "x") "add" (var "y")
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, "x * (y + z)" :~ op (var "x") "*" (op (var "y") "+" (var "z"))
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2019-08-25 18:43:47 +03:00
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, "(x * y) + z" :~ op (op (var "x") "*" (var "y")) "+" (var "z")
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2019-06-10 05:36:18 +03:00
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, "x `mult` (y `add` z)" :~ op (var "x") "mult" (op (var "y") "add" (var "z"))
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, "A x * (B y + C z)" :~ op (var "A" @@ var "x") "*"
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(op (var "B" @@ var "y") "+" (var "C" @@ var "z"))
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2019-08-25 18:43:47 +03:00
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, "(f . g) x" :~ op (var "f") "." (var "g") @@ var "x"
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, "(\\ x -> x) . (\\ x -> x)" :~
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2019-08-31 20:38:36 +03:00
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let f = lambda [bvar "x"] (var "x")
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2019-08-25 18:43:47 +03:00
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in op f "." f
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2019-08-26 01:24:09 +03:00
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, "x @s + y @t" :~
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op (var "x" `tyApp` var "s") "+" (var "y" `tyApp` var "t")
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2019-06-10 05:36:18 +03:00
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]
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2019-08-19 01:03:45 +03:00
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, test "period-op"
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[ "(Prelude..) x" :~ var "Prelude.." @@ var "x"
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, "x Prelude.. y" :~ op (var "x") "Prelude.." (var "y")
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]
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2019-06-10 05:36:18 +03:00
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, test ":@@:"
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-- TODO: GHC puts extra space here.
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[ " e :: t" :~ var "e" @::@ var "t" ]
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, test "unit"
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[ "()" :~ unit ]
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, test "list"
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[ "[]" :~ list []
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, "[]" :~ nil
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, "[x]" :~ list [var "x"]
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, "[y, z]" :~ list [var "y", var "z"]
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, "(:)" :~ cons
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, "(:) x y" :~ cons @@ var "x" @@ var "y"
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]
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, test "tyApp"
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[ "x @a" :~ tyApp (var "x") (var "a")
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, "x @a @b" :~ tyApp (tyApp (var "x") (var "a")) (var "b")
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, "x @a b" :~ tyApp (var "x") (var "a") @@ var "b"
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, "x @(a b)" :~ tyApp (var "x") (var "a" @@ var "b")
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, "x @(a + b)" :~ tyApp (var "x") (op (var "a") "+" (var "b"))
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2019-08-26 01:24:09 +03:00
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, "f x @t" :~ (var "f" @@ var "x") `tyApp` var "t"
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, "f (x @t)" :~ var "f" @@ (var "x" `tyApp` var "t")
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2019-06-10 05:36:18 +03:00
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]
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2019-08-05 04:25:10 +03:00
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, test "recordConE"
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[ "A {}" :~ recordConE "A" []
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, "A {x = 1, y = 2}" :~ recordConE "A" [("x", int 1), ("y", int 2)]
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]
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, test "recordUpd"
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[ "r {b = x, c = y}"
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:~ recordUpd (var "r") [("b", var "x"), ("c", var "y")]
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, "(f x) {b = x}"
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:~ recordUpd (var "f" @@ var "x") [("b", var "x")]
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, "f x {b = x}"
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:~ var "f" @@ recordUpd (var "x") [("b", var "x")]
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, "(x + y) {b = x}"
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:~ recordUpd (op (var "x") "+" (var "y")) [("b", var "x")]
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, "x + y {b = x}"
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:~ op (var "x") "+" (recordUpd (var "y") [("b", var "x")])
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]
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2019-08-25 20:05:49 +03:00
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, test "let"
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[ "let x = 1 in x" :~ let' [valBind "x" $ int 1] (var "x")
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, "let f x = 1 in f" :~
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2019-08-31 20:38:36 +03:00
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let' [ funBind "f" $ match [bvar "x"] $ int 1] (var "f")
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2019-08-25 20:05:49 +03:00
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, "let f (A x) = 1 in f" :~
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2019-08-31 20:38:36 +03:00
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let' [ funBind "f" $ match [conP "A" [bvar "x"]] $ int 1] (var "f")
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2019-08-25 20:05:49 +03:00
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]
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2019-08-25 20:26:40 +03:00
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, test "do"
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-- TODO: add more tests.
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[ "do (let x = 1 in x)" :~ do' [stmt $ let' [valBind "x" (int 1)] (var "x")]
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]
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2020-05-28 20:45:45 +03:00
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, test "arithSeq"
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[ "[a .. ]" :~ from (var "a")
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, "[a, b .. ]" :~ fromThen (var "a") (var "b")
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, "[a .. b]" :~ fromTo (var "a") (var "b")
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, "[a, b .. c]" :~ fromThenTo (var "a") (var "b") (var "c")
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]
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2020-05-28 04:00:19 +03:00
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, test "list comprehension"
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[ "[x | x <- [1 .. 10]]" :~
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listComp (bvar "x") [bvar "x" <-- fromTo (int 1) (int 10)]
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, "[x + y | x <- [1 .. 10], y <- [11 .. 20], even y]" :~
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listComp (op (bvar "x") "+" (bvar "y"))
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[ bvar "x" <-- fromTo (int 1) (int 10)
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, bvar "y" <-- fromTo (int 11) (int 20)
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, stmt $ var "even" @@ bvar "y"
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]
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]
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2019-06-10 05:36:18 +03:00
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]
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where
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test = testExprs dflags
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2019-07-14 16:40:18 +03:00
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declsTest dflags = testGroup "Decls"
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[ test "patBind"
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2019-08-31 20:38:36 +03:00
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[ "x = x" :~ patBind (bvar "x") (var "x")
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, "(x, y) = (y, x)" :~ patBind (tuple [bvar "x", bvar "y"])
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2019-08-18 08:21:24 +03:00
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(tuple [var "y", var "x"])
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2019-07-14 16:40:18 +03:00
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, "(x, y)\n | test = (1, 2)\n | otherwise = (2, 3)" :~
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2019-08-31 20:38:36 +03:00
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patBindGRHSs (tuple [bvar "x", bvar "y"])
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2019-07-14 16:56:18 +03:00
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$ guardedRhs
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2019-07-14 16:40:18 +03:00
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[ var "test" `guard` tuple [int 1, int 2]
|
|
|
|
, var "otherwise" `guard` tuple [int 2, int 3]
|
|
|
|
]
|
|
|
|
, "z | Just y <- x, y = ()" :~
|
2019-08-31 20:38:36 +03:00
|
|
|
patBindGRHSs (bvar "z")
|
2019-07-14 16:56:18 +03:00
|
|
|
$ guardedRhs
|
2019-07-14 16:40:18 +03:00
|
|
|
[guards
|
2019-08-31 20:38:36 +03:00
|
|
|
[ conP "Just" [bvar "y"] <-- var "x"
|
2019-07-14 16:40:18 +03:00
|
|
|
, stmt (var "y")
|
|
|
|
]
|
|
|
|
unit
|
|
|
|
]
|
|
|
|
]
|
2019-08-18 07:31:42 +03:00
|
|
|
, test "valBind"
|
2019-08-18 08:21:24 +03:00
|
|
|
[ "x = y" :~ valBindGRHSs "x" $ rhs $ var "y"
|
|
|
|
, "x = y" :~ valBind "x" $ var "y"
|
2019-08-18 07:31:42 +03:00
|
|
|
, "x | test = 1\n | otherwise = 2" :~
|
2019-08-18 08:21:24 +03:00
|
|
|
valBindGRHSs "x"
|
2019-08-18 07:31:42 +03:00
|
|
|
$ guardedRhs
|
|
|
|
[ var "test" `guard` int 1
|
|
|
|
, var "otherwise" `guard` int 2
|
|
|
|
]
|
2019-08-19 01:03:45 +03:00
|
|
|
, "x = (+)" :~ valBind "x" $ var "+"
|
2019-08-18 07:31:42 +03:00
|
|
|
]
|
2019-07-14 16:40:18 +03:00
|
|
|
, test "funBind"
|
|
|
|
[ "not True = False\nnot False = True" :~
|
|
|
|
funBinds "not"
|
2019-08-31 20:38:36 +03:00
|
|
|
[ match [bvar "True"] (var "False")
|
|
|
|
, match [bvar "False"] (var "True")
|
2019-07-14 16:40:18 +03:00
|
|
|
]
|
2021-04-18 21:06:50 +03:00
|
|
|
, "True && True = True\nTrue && False = False" :~
|
|
|
|
funBindsWithFixity Nothing "&&"
|
|
|
|
[ match [bvar "True", bvar "True"] (var "True")
|
|
|
|
, match [bvar "True", bvar "False"] (var "False")
|
|
|
|
]
|
2019-07-14 16:40:18 +03:00
|
|
|
, "not x\n | x = False\n | otherwise = True" :~
|
|
|
|
funBind "not"
|
2019-08-31 20:38:36 +03:00
|
|
|
$ matchGRHSs [bvar "x"] $ guardedRhs
|
2019-07-14 16:40:18 +03:00
|
|
|
[ guard (var "x") (var "False")
|
|
|
|
, guard (var "otherwise") (var "True")
|
|
|
|
]
|
2019-08-31 20:38:36 +03:00
|
|
|
, "f (A x) = 1" :~ funBind "f" $ match [conP "A" [bvar "x"]] (int 1)
|
2019-07-14 16:40:18 +03:00
|
|
|
]
|
2019-08-11 19:33:24 +03:00
|
|
|
, test "tyFamInst"
|
|
|
|
[ "type instance Elt String = Char"
|
|
|
|
:~ tyFamInst "Elt" [var "String"] (var "Char")
|
|
|
|
, "instance Container String where\n type Elt String = Char"
|
|
|
|
:~ instance' (var "Container" @@ var "String")
|
|
|
|
[tyFamInst "Elt" [var "String"] (var "Char")]
|
|
|
|
]
|
2019-08-31 06:40:17 +03:00
|
|
|
, test "patSynSigs"
|
|
|
|
[ "pattern F, G :: T" :~ patSynSigs ["F", "G"] $ var "T"
|
|
|
|
, "pattern F :: T" :~ patSynSig "F" $ var "T"
|
|
|
|
]
|
|
|
|
, test "patSynBind"
|
|
|
|
[ "pattern F a b = G b a"
|
2019-08-31 20:38:36 +03:00
|
|
|
:~ patSynBind "F" ["a", "b"] $ conP "G" [bvar "b", bvar "a"]
|
2019-08-31 06:40:17 +03:00
|
|
|
]
|
2020-02-03 19:23:30 +03:00
|
|
|
, test "dataDecl"
|
|
|
|
[ "data Either a b\n = Left a | Right b\n deriving Show"
|
|
|
|
:~ data' "Either" [bvar "a", bvar "b"]
|
|
|
|
[ prefixCon "Left" [field $ var "a"]
|
|
|
|
, prefixCon "Right" [field $ var "b"]
|
|
|
|
] $ [deriving' [var "Show"]]
|
|
|
|
, "data Either a (b :: Type)\n = Left a | Right b\n deriving Show"
|
|
|
|
:~ data' "Either" [bvar "a", kindedVar "b" (var "Type")]
|
|
|
|
[ prefixCon "Left" [field $ var "a"]
|
|
|
|
, prefixCon "Right" [field $ var "b"]
|
|
|
|
] $ [deriving' [var "Show"]]
|
|
|
|
]
|
|
|
|
, test "newtypeDecl"
|
|
|
|
[ "newtype Const a b\n = Const a\n deriving Show"
|
|
|
|
:~ newtype' "Const" [bvar "a", bvar "b"]
|
|
|
|
(prefixCon "Const" [field $ var "a"])
|
|
|
|
$ [deriving' [var "Show"]]
|
|
|
|
, "newtype Const a (b :: Type)\n = Const a\n deriving Show"
|
|
|
|
:~ newtype' "Const" [bvar "a", kindedVar "b" (var "Type")]
|
|
|
|
(prefixCon "Const" [field $ var "a"])
|
|
|
|
[deriving' [var "Show"]]
|
|
|
|
]
|
2021-04-26 22:04:29 +03:00
|
|
|
, test "standaloneDeriving"
|
|
|
|
[ "deriving instance Show Int"
|
|
|
|
:~ standaloneDeriving (var "Show" @@ var "Int")
|
|
|
|
, "deriving instance Show a => Show (Maybe a)"
|
|
|
|
:~ standaloneDeriving ([var "Show" @@ var "a"] ==> var "Show" @@ (var "Maybe" @@ var "a"))
|
|
|
|
, "deriving stock instance Show Int"
|
|
|
|
:~ standaloneDerivingStock (var "Show" @@ var "Int")
|
|
|
|
, "deriving newtype instance Show a => Show (Identity a)"
|
|
|
|
:~ standaloneDerivingNewtype ([var "Show" @@ var "a"] ==> var "Show" @@ (var "Identity" @@ var "a"))
|
|
|
|
, "deriving anyclass instance Show Person"
|
|
|
|
:~ standaloneDerivingAnyclass (var "Show" @@ var "Person")
|
|
|
|
]
|
2019-07-14 16:40:18 +03:00
|
|
|
]
|
|
|
|
where
|
|
|
|
test = testDecls dflags
|
2019-08-25 18:43:47 +03:00
|
|
|
|
|
|
|
patsTest dflags = testGroup "Pats"
|
|
|
|
[ test "app"
|
2019-08-31 20:38:36 +03:00
|
|
|
[ "A x y" :~ conP "A" [bvar "x", bvar "y"]
|
|
|
|
, "(:) x y" :~ conP ":" [bvar "x", bvar "y"]
|
|
|
|
, "(Prelude.:) x" :~ conP "Prelude.:" [bvar "x"]
|
|
|
|
, "A (B x)" :~ conP "A" [conP "B" [bvar "x"]]
|
|
|
|
, "A (B x)" :~ conP "A" [par $ conP "B" [bvar "x"]]
|
|
|
|
, "A ((B x))" :~ conP "A" [par $ par $ conP "B" [bvar "x"]]
|
|
|
|
, "A x (B y z)" :~ conP "A" [bvar "x", conP "B" [bvar "y", bvar "z"]]
|
2019-08-25 18:43:47 +03:00
|
|
|
, "A w (B x y) Z"
|
2019-08-31 20:38:36 +03:00
|
|
|
:~ conP "A" [bvar "w", conP "B" [bvar "x", bvar "y"], conP "Z" []]
|
2019-08-25 18:43:47 +03:00
|
|
|
, "A 3" :~ conP "A" [int 3]
|
|
|
|
, "A (-3)" :~ conP "A" [int (-3)]
|
2019-08-31 06:27:58 +03:00
|
|
|
, "A 3.0" :~ conP "A" [frac 3.0]
|
|
|
|
, "A (-3.0)" :~ conP "A" [frac (-3.0)]
|
2019-08-25 18:43:47 +03:00
|
|
|
, "A 'x'" :~ conP "A" [char 'x']
|
|
|
|
, "A \"xyz\"" :~ conP "A" [string "xyz"]
|
2019-08-25 19:47:19 +03:00
|
|
|
, "A B {x = C}"
|
|
|
|
:~ conP "A" [recordConP "B" [("x", conP "C" [])]]
|
2019-08-25 18:43:47 +03:00
|
|
|
]
|
|
|
|
, test "asP"
|
|
|
|
[ "x@B" :~ asP "x" $ conP "B" []
|
2019-08-31 20:38:36 +03:00
|
|
|
, "x@(B y)" :~ asP "x" $ conP "B" [bvar "y"]
|
2019-08-25 18:43:47 +03:00
|
|
|
, "x@_" :~ asP "x" wildP
|
|
|
|
]
|
|
|
|
, test "strictP"
|
2019-08-31 20:38:36 +03:00
|
|
|
[ "!x" :~ strictP $ bvar "x"
|
2019-08-25 18:43:47 +03:00
|
|
|
, "!B" :~ strictP $ conP "B" []
|
2019-08-31 20:38:36 +03:00
|
|
|
, "!(B y)" :~ strictP $ conP "B" [bvar "y"]
|
2019-08-25 18:43:47 +03:00
|
|
|
, "!_" :~ strictP wildP
|
|
|
|
]
|
|
|
|
, test "lazyP"
|
2019-08-31 20:38:36 +03:00
|
|
|
[ "~x" :~ lazyP $ bvar "x"
|
2019-08-25 18:43:47 +03:00
|
|
|
, "~B" :~ lazyP $ conP "B" []
|
2019-08-31 20:38:36 +03:00
|
|
|
, "~(B y)" :~ lazyP $ conP "B" [bvar "y"]
|
2019-08-25 18:43:47 +03:00
|
|
|
, "~_" :~ lazyP wildP
|
|
|
|
]
|
2019-08-25 19:13:59 +03:00
|
|
|
, test "sigPat"
|
2019-08-31 20:38:36 +03:00
|
|
|
[ "x :: A" :~ sigP (bvar "x") (bvar "A")
|
|
|
|
, "A x :: A x" :~ sigP (conP "A" [bvar "x"]) (bvar "A" @@ bvar "x")
|
2019-08-25 19:13:59 +03:00
|
|
|
]
|
2019-08-25 19:47:19 +03:00
|
|
|
, test "recordConP"
|
|
|
|
[ "A {x = Y}" :~ recordConP "A" [("x", conP "Y" [])]
|
|
|
|
]
|
2019-08-25 18:43:47 +03:00
|
|
|
]
|
|
|
|
where
|
|
|
|
test = testPats dflags
|
|
|
|
|
2020-01-03 22:20:50 +03:00
|
|
|
-- TODO: Add more test cases from pprint_examples.hs.
|
|
|
|
modulesTest dflags = testGroup "Modules"
|
|
|
|
[ test "import"
|
|
|
|
[ "import M" :~
|
|
|
|
module' Nothing Nothing [import' "M"] []
|
|
|
|
, "import {-# SOURCE #-} M" :~
|
|
|
|
module' Nothing Nothing
|
|
|
|
[source $ import' "M"] []
|
|
|
|
]
|
|
|
|
]
|
|
|
|
where
|
|
|
|
test = testModule dflags
|