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open QCheck2
module Suite
(R : Model.COVARIANT_2)
(BF : Preface_specs.BIFUNCTOR with type ('a, 'b) t = ('a, 'b) R.t)
(A : Model.T0)
(B : Model.T0)
(C : Model.T0)
(D : Model.T0)
(E : Model.T0)
(F : Model.T0) =
struct
module Laws = Preface_laws.Bifunctor.For (BF)
let print pp_a pp_b = Format.asprintf "%a" (R.pp pp_a pp_b)
let bifunctor_1 count =
let generator = R.generator A.generator B.generator in
let print = print A.pp B.pp in
Util.test ~count ~print generator Laws.bifunctor_1 (fun lhs rhs x ->
let left = lhs x
and right = rhs x in
R.equal A.equal B.equal left right )
;;
let bifunctor_2 count =
let generator = R.generator A.generator B.generator in
let print = print A.pp B.pp in
Util.test ~count ~print generator Laws.bifunctor_2 (fun lhs rhs x ->
let left = lhs x
and right = rhs x in
R.equal A.equal B.equal left right )
;;
let bifunctor_3 count =
let generator = R.generator A.generator B.generator in
let print = print A.pp B.pp in
Util.test ~count ~print generator Laws.bifunctor_3 (fun lhs rhs x ->
let left = lhs x
and right = rhs x in
R.equal A.equal B.equal left right )
;;
let bifunctor_4 count =
let generator =
Gen.tup3
(fun1 A.observable B.generator)
(fun1 C.observable D.generator)
(R.generator A.generator C.generator)
in
let print (_, _, x) = print A.pp C.pp x in
Util.test ~count ~print generator Laws.bifunctor_4 (fun lhs rhs (f, g, x) ->
let f = Fn.apply f
and g = Fn.apply g in
let left = lhs f g x
and right = rhs f g x in
R.equal B.equal D.equal left right )
;;
let bifunctor_5 count =
let generator =
Gen.tup5
(fun1 A.observable B.generator)
(fun1 C.observable A.generator)
(fun1 D.observable E.generator)
(fun1 F.observable D.generator)
(R.generator C.generator F.generator)
in
let print (_, _, _, _, x) = print C.pp F.pp x in
Util.test ~count ~print generator Laws.bifunctor_5
(fun lhs rhs (f, g, h, i, x) ->
let f = Fn.apply f
and g = Fn.apply g
and h = Fn.apply h
and i = Fn.apply i in
let left = lhs f g h i x
and right = rhs f g h i x in
R.equal B.equal E.equal left right )
;;
let bifunctor_6 count =
let generator =
Gen.tup3
(fun1 A.observable B.generator)
(fun1 C.observable A.generator)
(R.generator C.generator D.generator)
in
let print (_, _, x) = print C.pp D.pp x in
Util.test ~count ~print generator Laws.bifunctor_6 (fun lhs rhs (f, g, x) ->
let f = Fn.apply f
and g = Fn.apply g in
let left = lhs f g x
and right = rhs f g x in
R.equal B.equal D.equal left right )
;;
let bifunctor_7 count =
let generator =
Gen.tup3
(fun1 A.observable B.generator)
(fun1 C.observable A.generator)
(R.generator D.generator C.generator)
in
let print (_, _, x) = print D.pp C.pp x in
Util.test ~count ~print generator Laws.bifunctor_7 (fun lhs rhs (f, g, x) ->
let f = Fn.apply f
and g = Fn.apply g in
let left = lhs f g x
and right = rhs f g x in
R.equal D.equal B.equal left right )
;;
let tests ~count =
[
bifunctor_1 count
; bifunctor_2 count
; bifunctor_3 count
; bifunctor_4 count
; bifunctor_5 count
; bifunctor_6 count
; bifunctor_7 count
]
;;
end