224 lines
7 KiB
Idris
224 lines
7 KiB
Idris
module Tests.Equal
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import Quox.Equal as Lib
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import Quox.Pretty
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import TAP
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export
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ToInfo Error where
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toInfo (NotInScope x) =
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[("type", "NotInScope"),
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("name", show x)]
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toInfo (ExpectedTYPE t) =
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[("type", "ExpectedTYPE"),
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("got", prettyStr True t)]
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toInfo (ExpectedPi t) =
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[("type", "ExpectedPi"),
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("got", prettyStr True t)]
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toInfo (BadUniverse k l) =
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[("type", "BadUniverse"),
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("low", show k),
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("high", show l)]
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toInfo (ClashT mode s t) =
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[("type", "ClashT"),
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("mode", show mode),
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("left", prettyStr True s),
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("right", prettyStr True t)]
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toInfo (ClashU mode k l) =
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[("type", "ClashU"),
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("mode", show mode),
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("left", prettyStr True k),
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("right", prettyStr True l)]
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toInfo (ClashQ pi rh) =
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[("type", "ClashQ"),
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("left", prettyStr True pi),
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("right", prettyStr True rh)]
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M = ReaderT Definitions (Either Error)
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parameters (label : String) (act : Lazy (M ()))
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{default empty globals : Definitions}
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testEq : Test
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testEq = test label $ runReaderT globals act
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testNeq : Test
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testNeq = testThrows label (const True) $ runReaderT globals act
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subT : {default 0 d, n : Nat} -> Term d n -> Term d n -> M ()
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subT = Lib.subT
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%hide Lib.subT
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equalT : {default 0 d, n : Nat} -> Term d n -> Term d n -> M ()
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equalT = Lib.equalT
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%hide Lib.equalT
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subE : {default 0 d, n : Nat} -> Elim d n -> Elim d n -> M ()
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subE = Lib.subE
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%hide Lib.subE
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equalE : {default 0 d, n : Nat} -> Elim d n -> Elim d n -> M ()
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equalE = Lib.equalE
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%hide Lib.equalE
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export
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tests : Test
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tests = "equality & subtyping" :- [
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"universes" :- [
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testEq "★₀ ≡ ★₀" $
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equalT (TYPE 0) (TYPE 0),
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testNeq "★₀ ≢ ★₁" $
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equalT (TYPE 0) (TYPE 1),
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testNeq "★₁ ≢ ★₀" $
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equalT (TYPE 1) (TYPE 0),
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testEq "★₀ <: ★₀" $
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subT (TYPE 0) (TYPE 0),
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testEq "★₀ <: ★₁" $
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subT (TYPE 0) (TYPE 1),
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testNeq "★₁ ≮: ★₀" $
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subT (TYPE 1) (TYPE 0)
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],
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"pi" :- [
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-- ⊸ for →₁, ⇾ for →₀
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testEq "A ⊸ B ≡ A ⊸ B" $
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let tm = Arr One (FT "A") (FT "B") in
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equalT tm tm,
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testNeq "A ⇾ B ≢ A ⇾ B" $
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let tm1 = Arr Zero (FT "A") (FT "B")
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tm2 = Arr One (FT "A") (FT "B") in
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equalT tm1 tm2,
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testEq "A ⊸ B <: A ⊸ B" $
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let tm = Arr One (FT "A") (FT "B") in
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subT tm tm,
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testNeq "A ⇾ B ≮: A ⊸ B" $
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let tm1 = Arr Zero (FT "A") (FT "B")
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tm2 = Arr One (FT "A") (FT "B") in
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subT tm1 tm2,
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testEq "★₀ ⇾ ★₀ ≡ ★₀ ⇾ ★₀" $
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let tm = Arr Zero (TYPE 0) (TYPE 0) in
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equalT tm tm,
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testEq "★₀ ⇾ ★₀ <: ★₀ ⇾ ★₀" $
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let tm = Arr Zero (TYPE 0) (TYPE 0) in
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subT tm tm,
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testNeq "★₁ ⊸ ★₀ ≢ ★₀ ⇾ ★₀" $
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let tm1 = Arr Zero (TYPE 1) (TYPE 0)
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tm2 = Arr Zero (TYPE 0) (TYPE 0) in
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equalT tm1 tm2,
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testEq "★₁ ⊸ ★₀ <: ★₀ ⊸ ★₀" $
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let tm1 = Arr One (TYPE 1) (TYPE 0)
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tm2 = Arr One (TYPE 0) (TYPE 0) in
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subT tm1 tm2,
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testNeq "★₀ ⊸ ★₀ ≢ ★₀ ⇾ ★₁" $
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let tm1 = Arr Zero (TYPE 0) (TYPE 0)
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tm2 = Arr Zero (TYPE 0) (TYPE 1) in
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equalT tm1 tm2,
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testEq "★₀ ⊸ ★₀ <: ★₀ ⊸ ★₁" $
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let tm1 = Arr One (TYPE 0) (TYPE 0)
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tm2 = Arr One (TYPE 0) (TYPE 1) in
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subT tm1 tm2,
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testEq "★₀ ⊸ ★₀ <: ★₀ ⊸ ★₁" $
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let tm1 = Arr One (TYPE 0) (TYPE 0)
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tm2 = Arr One (TYPE 0) (TYPE 1) in
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subT tm1 tm2
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],
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"lambda" :- [
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testEq "λ x ⇒ [x] ≡ λ x ⇒ [x]" $
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equalT (Lam "x" $ TUsed $ BVT 0) (Lam "x" $ TUsed $ BVT 0),
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testEq "λ x ⇒ [x] <: λ x ⇒ [x]" $
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equalT (Lam "x" $ TUsed $ BVT 0) (Lam "x" $ TUsed $ BVT 0),
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testEq "λ x ⇒ [x] ≡ λ y ⇒ [y]" $
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equalT (Lam "x" $ TUsed $ BVT 0) (Lam "y" $ TUsed $ BVT 0),
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testEq "λ x ⇒ [x] <: λ y ⇒ [y]" $
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equalT (Lam "x" $ TUsed $ BVT 0) (Lam "y" $ TUsed $ BVT 0),
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testNeq "λ x y ⇒ [x] ≢ λ x y ⇒ [y]" $
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equalT (Lam "x" $ TUsed $ Lam "y" $ TUsed $ BVT 1)
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(Lam "x" $ TUsed $ Lam "y" $ TUsed $ BVT 0),
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testEq "λ x ⇒ [a] ≡ λ x ⇒ [a] (TUsed vs TUnused)" $
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equalT (Lam "x" $ TUsed $ FT "a")
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(Lam "x" $ TUnused $ FT "a")
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],
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"term closure" :- [
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testEq "[x]{} ≡ [x]" $
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equalT (CloT (BVT 0) id) (BVT 0) {n = 1},
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testEq "[x]{a/x} ≡ [a]" $
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equalT (CloT (BVT 0) (F "a" ::: id)) (FT "a"),
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testEq "[x]{a/x,b/y} ≡ [a]" $
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equalT (CloT (BVT 0) (F "a" ::: F "b" ::: id)) (FT "a"),
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testEq "(λy. [x]){y/y, a/x} ≡ λy. [a] (TUnused)" $
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equalT (CloT (Lam "y" $ TUnused $ BVT 0) (F "a" ::: id))
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(Lam "y" $ TUnused $ FT "a"),
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testEq "(λy. [x]){y/y, a/x} ≡ λy. [a] (TUsed)" $
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equalT (CloT (Lam "y" $ TUsed $ BVT 1) (F "a" ::: id))
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(Lam "y" $ TUsed $ FT "a")
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],
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todo "term d-closure",
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"free var" :-
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let au_bu = fromList
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[("A", MkDef Any (TYPE (U 1)) (TYPE (U 0))),
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("B", MkDef Any (TYPE (U 1)) (TYPE (U 0)))]
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au_ba = fromList
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[("A", MkDef Any (TYPE (U 1)) (TYPE (U 0))),
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("B", MkDef Any (TYPE (U 1)) (FT "A"))]
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in [
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testEq "A ≡ A" $
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equalE (F "A") (F "A"),
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testNeq "A ≢ B" $
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equalE (F "A") (F "B"),
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testEq "A ≔ ★₀, B ≔ ★₀ ⊢ A ≡ B" {globals = au_bu} $
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equalE (F "A") (F "B"),
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testEq "A ≔ ★₀, B ≔ A ⊢ A ≡ B" {globals = au_ba} $
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equalE (F "A") (F "B"),
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testEq "A <: A" $
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subE (F "A") (F "A"),
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testNeq "A ≮: B" $
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subE (F "A") (F "B")
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],
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"bound var" :- [
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testEq "#0 ≡ #0" $
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equalE (BV 0) (BV 0) {n = 1},
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testNeq "#0 ≢ #1" $
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equalE (BV 0) (BV 1) {n = 2}
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],
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"application" :- [
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testEq "f [a] ≡ f [a]" $
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equalE (F "f" :@ FT "a") (F "f" :@ FT "a"),
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testEq "f [a] <: f [a]" $
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subE (F "f" :@ FT "a") (F "f" :@ FT "a"),
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testEq "(λ x ⇒ [x] ∷ A ⊸ A) a ≡ ([a ∷ A] ∷ A) (β)" $
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equalE
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((Lam "x" (TUsed (BVT 0)) :# (Arr One (FT "A") (FT "A")))
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:@ FT "a")
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(E (FT "a" :# FT "A") :# FT "A"),
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testEq "(λ x ⇒ [x] ∷ A ⊸ A) a ≡ a (βυ)" $
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equalE
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((Lam "x" (TUsed (BVT 0)) :# (Arr One (FT "A") (FT "A")))
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:@ FT "a")
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(F "a"),
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testEq "(λ x ⇒ [x] ∷ A ⊸ A) a <: a" $
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subE
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((Lam "x" (TUsed (BVT 0)) :# (Arr One (FT "A") (FT "A")))
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:@ FT "a")
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(F "a")
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],
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todo "annotation",
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todo "elim closure",
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todo "elim d-closure",
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"clashes" :- [
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testNeq "★₀ ≢ ★₀ ⇾ ★₀" $
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equalT (TYPE 0) (Arr Zero (TYPE 0) (TYPE 0)),
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todo "others"
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]
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]
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