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collect
:= @collect.
Definition
collect
doc
doc/DocumentationCheck.v
[ "mathcomp", "ssreflect", "ssrfun", "ssrbool", "Coq", "Relations", "ZArith", "Strings.Ascii", "Strings.String", "QuickChick", "LazyList", "doc", "QuickChickInterface", "QcDefaultNotation" ]
[]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
tag
:= @tag.
Definition
tag
doc
doc/DocumentationCheck.v
[ "mathcomp", "ssreflect", "ssrfun", "ssrbool", "Coq", "Relations", "ZArith", "Strings.Ascii", "Strings.String", "QuickChick", "LazyList", "doc", "QuickChickInterface", "QcDefaultNotation" ]
[]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
conjoin
:= @conjoin.
Definition
conjoin
doc
doc/DocumentationCheck.v
[ "mathcomp", "ssreflect", "ssrfun", "ssrbool", "Coq", "Relations", "ZArith", "Strings.Ascii", "Strings.String", "QuickChick", "LazyList", "doc", "QuickChickInterface", "QcDefaultNotation" ]
[]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
disjoin
:= @disjoin.
Definition
disjoin
doc
doc/DocumentationCheck.v
[ "mathcomp", "ssreflect", "ssrfun", "ssrbool", "Coq", "Relations", "ZArith", "Strings.Ascii", "Strings.String", "QuickChick", "LazyList", "doc", "QuickChickInterface", "QcDefaultNotation" ]
[]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
implication
:= @implication.
Definition
implication
doc
doc/DocumentationCheck.v
[ "mathcomp", "ssreflect", "ssrfun", "ssrbool", "Coq", "Relations", "ZArith", "Strings.Ascii", "Strings.String", "QuickChick", "LazyList", "doc", "QuickChickInterface", "QcDefaultNotation" ]
[]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
"x ==> y"
:= (implication x y) (at level 55, right associativity) : Checker_scope.
Notation
x ==> y
doc
doc/DocumentationCheck.v
[ "mathcomp", "ssreflect", "ssrfun", "ssrbool", "Coq", "Relations", "ZArith", "Strings.Ascii", "Strings.String", "QuickChick", "LazyList", "doc", "QuickChickInterface", "QcDefaultNotation" ]
[ "implication" ]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
testDec
:= @testDec .
Definition
testDec
doc
doc/DocumentationCheck.v
[ "mathcomp", "ssreflect", "ssrfun", "ssrbool", "Coq", "Relations", "ZArith", "Strings.Ascii", "Strings.String", "QuickChick", "LazyList", "doc", "QuickChickInterface", "QcDefaultNotation" ]
[]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
Dec_neg
:= @Dec_neg .
Definition
Dec_neg
doc
doc/DocumentationCheck.v
[ "mathcomp", "ssreflect", "ssrfun", "ssrbool", "Coq", "Relations", "ZArith", "Strings.Ascii", "Strings.String", "QuickChick", "LazyList", "doc", "QuickChickInterface", "QcDefaultNotation" ]
[]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
Dec_conj
:= @Dec_conj .
Definition
Dec_conj
doc
doc/DocumentationCheck.v
[ "mathcomp", "ssreflect", "ssrfun", "ssrbool", "Coq", "Relations", "ZArith", "Strings.Ascii", "Strings.String", "QuickChick", "LazyList", "doc", "QuickChickInterface", "QcDefaultNotation" ]
[]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
Dec_disj
:= @Dec_disj .
Definition
Dec_disj
doc
doc/DocumentationCheck.v
[ "mathcomp", "ssreflect", "ssrfun", "ssrbool", "Coq", "Relations", "ZArith", "Strings.Ascii", "Strings.String", "QuickChick", "LazyList", "doc", "QuickChickInterface", "QcDefaultNotation" ]
[]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
"P '?'"
:= (match (@dec P _) with | left _ => true | right _ => false end) (at level 100).
Notation
P '?'
doc
doc/DocumentationCheck.v
[ "mathcomp", "ssreflect", "ssrfun", "ssrbool", "Coq", "Relations", "ZArith", "Strings.Ascii", "Strings.String", "QuickChick", "LazyList", "doc", "QuickChickInterface", "QcDefaultNotation" ]
[]
Convenient notation.
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
dec_if_dec_eq
:= @dec_if_dec_eq.
Definition
dec_if_dec_eq
doc
doc/DocumentationCheck.v
[ "mathcomp", "ssreflect", "ssrfun", "ssrbool", "Coq", "Relations", "ZArith", "Strings.Ascii", "Strings.String", "QuickChick", "LazyList", "doc", "QuickChickInterface", "QcDefaultNotation" ]
[]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
Dec_Eq_implies_DecEq
:= @Dec_Eq_implies_DecEq.
Definition
Dec_Eq_implies_DecEq
doc
doc/DocumentationCheck.v
[ "mathcomp", "ssreflect", "ssrfun", "ssrbool", "Coq", "Relations", "ZArith", "Strings.Ascii", "Strings.String", "QuickChick", "LazyList", "doc", "QuickChickInterface", "QcDefaultNotation" ]
[]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
Dec_eq_unit
:= @Dec_eq_unit.
Definition
Dec_eq_unit
doc
doc/DocumentationCheck.v
[ "mathcomp", "ssreflect", "ssrfun", "ssrbool", "Coq", "Relations", "ZArith", "Strings.Ascii", "Strings.String", "QuickChick", "LazyList", "doc", "QuickChickInterface", "QcDefaultNotation" ]
[]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
Dec_eq_bool
:= @Dec_eq_bool.
Definition
Dec_eq_bool
doc
doc/DocumentationCheck.v
[ "mathcomp", "ssreflect", "ssrfun", "ssrbool", "Coq", "Relations", "ZArith", "Strings.Ascii", "Strings.String", "QuickChick", "LazyList", "doc", "QuickChickInterface", "QcDefaultNotation" ]
[]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
Dec_eq_nat
:= @Dec_eq_nat.
Definition
Dec_eq_nat
doc
doc/DocumentationCheck.v
[ "mathcomp", "ssreflect", "ssrfun", "ssrbool", "Coq", "Relations", "ZArith", "Strings.Ascii", "Strings.String", "QuickChick", "LazyList", "doc", "QuickChickInterface", "QcDefaultNotation" ]
[]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
Dec_eq_Z
:= @Dec_eq_Z.
Definition
Dec_eq_Z
doc
doc/DocumentationCheck.v
[ "mathcomp", "ssreflect", "ssrfun", "ssrbool", "Coq", "Relations", "ZArith", "Strings.Ascii", "Strings.String", "QuickChick", "LazyList", "doc", "QuickChickInterface", "QcDefaultNotation" ]
[]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
Dec_eq_N
:= @Dec_eq_N.
Definition
Dec_eq_N
doc
doc/DocumentationCheck.v
[ "mathcomp", "ssreflect", "ssrfun", "ssrbool", "Coq", "Relations", "ZArith", "Strings.Ascii", "Strings.String", "QuickChick", "LazyList", "doc", "QuickChickInterface", "QcDefaultNotation" ]
[]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
Dec_eq_opt
:= @Dec_eq_opt.
Definition
Dec_eq_opt
doc
doc/DocumentationCheck.v
[ "mathcomp", "ssreflect", "ssrfun", "ssrbool", "Coq", "Relations", "ZArith", "Strings.Ascii", "Strings.String", "QuickChick", "LazyList", "doc", "QuickChickInterface", "QcDefaultNotation" ]
[]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
Dec_eq_prod
:= @Dec_eq_prod.
Definition
Dec_eq_prod
doc
doc/DocumentationCheck.v
[ "mathcomp", "ssreflect", "ssrfun", "ssrbool", "Coq", "Relations", "ZArith", "Strings.Ascii", "Strings.String", "QuickChick", "LazyList", "doc", "QuickChickInterface", "QcDefaultNotation" ]
[]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
Dec_eq_sum
:= @Dec_eq_sum.
Definition
Dec_eq_sum
doc
doc/DocumentationCheck.v
[ "mathcomp", "ssreflect", "ssrfun", "ssrbool", "Coq", "Relations", "ZArith", "Strings.Ascii", "Strings.String", "QuickChick", "LazyList", "doc", "QuickChickInterface", "QcDefaultNotation" ]
[]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
Dec_eq_list
:= @Dec_eq_list.
Definition
Dec_eq_list
doc
doc/DocumentationCheck.v
[ "mathcomp", "ssreflect", "ssrfun", "ssrbool", "Coq", "Relations", "ZArith", "Strings.Ascii", "Strings.String", "QuickChick", "LazyList", "doc", "QuickChickInterface", "QcDefaultNotation" ]
[]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
Dec_eq_ascii
:= @Dec_eq_ascii.
Definition
Dec_eq_ascii
doc
doc/DocumentationCheck.v
[ "mathcomp", "ssreflect", "ssrfun", "ssrbool", "Coq", "Relations", "ZArith", "Strings.Ascii", "Strings.String", "QuickChick", "LazyList", "doc", "QuickChickInterface", "QcDefaultNotation" ]
[]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
Dec_eq_string
:= @Dec_eq_string.
Definition
Dec_eq_string
doc
doc/DocumentationCheck.v
[ "mathcomp", "ssreflect", "ssrfun", "ssrbool", "Coq", "Relations", "ZArith", "Strings.Ascii", "Strings.String", "QuickChick", "LazyList", "doc", "QuickChickInterface", "QcDefaultNotation" ]
[]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
Args
:= MkArgs { (* Re-execute a test. *) (* Default: None *) replay : option (RandomSeed * nat); (* Maximum number of successful tests to run. *) (* Default: 10000 *) maxSuccess : nat; (* Maximum number of discards to accept. *) (* Default: 20000...
Record
Args
doc
doc/DocumentationCheck.v
[ "mathcomp", "ssreflect", "ssrfun", "ssrbool", "Coq", "Relations", "ZArith", "Strings.Ascii", "Strings.String", "QuickChick", "LazyList", "doc", "QuickChickInterface", "QcDefaultNotation" ]
[ "RandomSeed", "nat" ]
Arguments to customize execution.
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
nl : string
:= String (ascii_of_nat 10) EmptyString.
Definition
nl
doc
doc/QuickChickInterface.v
[ "QuickChick", "ZArith", "Strings.Ascii", "Strings.String", "ExtLib.Structures", "Functor", "Applicative", "QcDefaultNotation", "Proofs" ]
[ "string" ]
When defining [Show] instance for your own datatypes, you sometimes need to start a new line for better printing. [nl] is a shorthand for it.
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
RandomSeed : Type.
Parameter
RandomSeed
doc
doc/QuickChickInterface.v
[ "QuickChick", "ZArith", "Strings.Ascii", "Strings.String", "ExtLib.Structures", "Functor", "Applicative", "QcDefaultNotation", "Proofs" ]
[]
A [RandomSeed] represents a particular starting point in a pseudo-random sequence.
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
G : Type -> Type.
Parameter
G
doc
doc/QuickChickInterface.v
[ "QuickChick", "ZArith", "Strings.Ascii", "Strings.String", "ExtLib.Structures", "Functor", "Applicative", "QcDefaultNotation", "Proofs" ]
[]
[G A] is the type of random generators for type [A].
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
run : forall {A : Type}, G A -> nat -> RandomSeed -> A.
Parameter
run
doc
doc/QuickChickInterface.v
[ "QuickChick", "ZArith", "Strings.Ascii", "Strings.String", "ExtLib.Structures", "Functor", "Applicative", "QcDefaultNotation", "Proofs" ]
[ "RandomSeed", "nat" ]
Run a generator with a size parameter (a natural number denoting the maximum depth of the generated A) and a random seed.
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
bindGenOpt : forall {A B : Type}, G (option A) -> (A -> G (option B)) -> G (option B).
Parameter
bindGenOpt
doc
doc/QuickChickInterface.v
[ "QuickChick", "ZArith", "Strings.Ascii", "Strings.String", "ExtLib.Structures", "Functor", "Applicative", "QcDefaultNotation", "Proofs" ]
[]
A variant of bind for the [(G (option --))] monad. Useful for chaining generators that can fail / backtrack.
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
listOf : forall {A : Type}, G A -> G (list A).
Parameter
listOf
doc
doc/QuickChickInterface.v
[ "QuickChick", "ZArith", "Strings.Ascii", "Strings.String", "ExtLib.Structures", "Functor", "Applicative", "QcDefaultNotation", "Proofs" ]
[]
The [listOf] and [vectorOf] combinators construct generators for [list A], provided a generator [g] for type [A]: [listOf g] yields an arbitrary-sized list (which might be empty), while [vectorOf n g] yields a list of fixed size [n].
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
vectorOf : forall {A : Type}, nat -> G A -> G (list A).
Parameter
vectorOf
doc
doc/QuickChickInterface.v
[ "QuickChick", "ZArith", "Strings.Ascii", "Strings.String", "ExtLib.Structures", "Functor", "Applicative", "QcDefaultNotation", "Proofs" ]
[ "nat" ]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
elems_ : forall {A : Type}, A -> list A -> G A.
Parameter
elems_
doc
doc/QuickChickInterface.v
[ "QuickChick", "ZArith", "Strings.Ascii", "Strings.String", "ExtLib.Structures", "Functor", "Applicative", "QcDefaultNotation", "Proofs" ]
[]
[elems_ a l] constructs a generator from a list [l] and a default element [a]. If [l] is non-empty, the generator picks an element from [l] uniformly; otherwise it always yields [a].
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
oneOf_ : forall {A : Type}, G A -> list (G A) -> G A.
Parameter
oneOf_
doc
doc/QuickChickInterface.v
[ "QuickChick", "ZArith", "Strings.Ascii", "Strings.String", "ExtLib.Structures", "Functor", "Applicative", "QcDefaultNotation", "Proofs" ]
[]
Similar to [elems_], instead of choosing from a list of [A]s, [oneOf_ g l] returns [g] if [l] is empty; otherwise it uniformly picks a generator for [A] in [l].
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
freq_ : forall {A : Type}, G A -> list (nat * G A) -> G A.
Parameter
freq_
doc
doc/QuickChickInterface.v
[ "QuickChick", "ZArith", "Strings.Ascii", "Strings.String", "ExtLib.Structures", "Functor", "Applicative", "QcDefaultNotation", "Proofs" ]
[ "nat" ]
We can also choose generators with distributions other than the uniform one. [freq_ g l] returns [g] if [l] is empty; otherwise it chooses a generator from [l], where the first field indicates the chance that the second field is chosen. For example, [freq_ z [(2, x); (3, y)]] has 40%% probability of cho...
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
backtrack : forall {A : Type}, list (nat * G (option A)) -> G (option A).
Parameter
backtrack
doc
doc/QuickChickInterface.v
[ "QuickChick", "ZArith", "Strings.Ascii", "Strings.String", "ExtLib.Structures", "Functor", "Applicative", "QcDefaultNotation", "Proofs" ]
[ "nat" ]
Try all generators until one returns a [Some] value or all failed once with [None]. The generators are picked at random according to their weights (like [frequency]), and each one is run at most once.
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
sized : forall {A: Type}, (nat -> G A) -> G A.
Parameter
sized
doc
doc/QuickChickInterface.v
[ "QuickChick", "ZArith", "Strings.Ascii", "Strings.String", "ExtLib.Structures", "Functor", "Applicative", "QcDefaultNotation", "Proofs" ]
[ "nat" ]
Internally, the G monad hides a [size] parameter that can be accessed by generators. The [sized] combinator provides such access. The [resize] combinator sets it.
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
resize : forall {A: Type}, nat -> G A -> G A.
Parameter
resize
doc
doc/QuickChickInterface.v
[ "QuickChick", "ZArith", "Strings.Ascii", "Strings.String", "ExtLib.Structures", "Functor", "Applicative", "QcDefaultNotation", "Proofs" ]
[ "nat" ]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
suchThatMaybe : forall {A : Type}, G A -> (A -> bool) -> G (option A).
Parameter
suchThatMaybe
doc
doc/QuickChickInterface.v
[ "QuickChick", "ZArith", "Strings.Ascii", "Strings.String", "ExtLib.Structures", "Functor", "Applicative", "QcDefaultNotation", "Proofs" ]
[]
Generate-and-test approach to generate data with preconditions.
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
suchThatMaybeOpt : forall {A : Type}, G (option A) -> (A -> bool) -> G (option A).
Parameter
suchThatMaybeOpt
doc
doc/QuickChickInterface.v
[ "QuickChick", "ZArith", "Strings.Ascii", "Strings.String", "ExtLib.Structures", "Functor", "Applicative", "QcDefaultNotation", "Proofs" ]
[]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
" 'elems' [ x ] "
:= (elems_ x (cons x nil)) : qc_scope.
Notation
'elems' [ x ]
doc
doc/QuickChickInterface.v
[ "QuickChick", "ZArith", "Strings.Ascii", "Strings.String", "ExtLib.Structures", "Functor", "Applicative", "QcDefaultNotation", "Proofs" ]
[ "elems_" ]
[elems] is a shorthand for [elems_] without a default argument.
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
" 'elems' [ x ; y ] "
:= (elems_ x (cons x (cons y nil))) : qc_scope.
Notation
'elems' [ x ; y ]
doc
doc/QuickChickInterface.v
[ "QuickChick", "ZArith", "Strings.Ascii", "Strings.String", "ExtLib.Structures", "Functor", "Applicative", "QcDefaultNotation", "Proofs" ]
[ "elems_" ]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
" 'elems' [ x ; y ; .. ; z ] "
:= (elems_ x (cons x (cons y .. (cons z nil) ..))) : qc_scope.
Notation
'elems' [ x ; y ; .. ; z ]
doc
doc/QuickChickInterface.v
[ "QuickChick", "ZArith", "Strings.Ascii", "Strings.String", "ExtLib.Structures", "Functor", "Applicative", "QcDefaultNotation", "Proofs" ]
[ "elems_" ]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
" 'elems' ( x ;; l ) "
:= (elems_ x (cons x l)) (at level 1, no associativity) : qc_scope.
Notation
'elems' ( x ;; l )
doc
doc/QuickChickInterface.v
[ "QuickChick", "ZArith", "Strings.Ascii", "Strings.String", "ExtLib.Structures", "Functor", "Applicative", "QcDefaultNotation", "Proofs" ]
[ "elems_" ]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
" 'oneOf' [ x ] "
:= (oneOf_ x (cons x nil)) : qc_scope.
Notation
'oneOf' [ x ]
doc
doc/QuickChickInterface.v
[ "QuickChick", "ZArith", "Strings.Ascii", "Strings.String", "ExtLib.Structures", "Functor", "Applicative", "QcDefaultNotation", "Proofs" ]
[ "oneOf_" ]
[oneOf] is a shorthand for [oneOf_] without a default argument.
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
" 'oneOf' [ x ; y ] "
:= (oneOf_ x (cons x (cons y nil))) : qc_scope.
Notation
'oneOf' [ x ; y ]
doc
doc/QuickChickInterface.v
[ "QuickChick", "ZArith", "Strings.Ascii", "Strings.String", "ExtLib.Structures", "Functor", "Applicative", "QcDefaultNotation", "Proofs" ]
[ "oneOf_" ]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
" 'oneOf' [ x ; y ; .. ; z ] "
:= (oneOf_ x (cons x (cons y .. (cons z nil) ..))) : qc_scope.
Notation
'oneOf' [ x ; y ; .. ; z ]
doc
doc/QuickChickInterface.v
[ "QuickChick", "ZArith", "Strings.Ascii", "Strings.String", "ExtLib.Structures", "Functor", "Applicative", "QcDefaultNotation", "Proofs" ]
[ "oneOf_" ]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
" 'oneOf' ( x ;; l ) "
:= (oneOf_ x (cons x l)) (at level 1, no associativity) : qc_scope.
Notation
'oneOf' ( x ;; l )
doc
doc/QuickChickInterface.v
[ "QuickChick", "ZArith", "Strings.Ascii", "Strings.String", "ExtLib.Structures", "Functor", "Applicative", "QcDefaultNotation", "Proofs" ]
[ "oneOf_" ]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
" 'freq' [ x ] "
:= (freq_ x (cons x nil)) : qc_scope.
Notation
'freq' [ x ]
doc
doc/QuickChickInterface.v
[ "QuickChick", "ZArith", "Strings.Ascii", "Strings.String", "ExtLib.Structures", "Functor", "Applicative", "QcDefaultNotation", "Proofs" ]
[ "freq_" ]
[freq] is a shorthand for [freq_] without a default argument.
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
" 'freq' [ ( n , x ) ; y ] "
:= (freq_ x (cons (n, x) (cons y nil))) : qc_scope.
Notation
'freq' [ ( n , x ) ; y ]
doc
doc/QuickChickInterface.v
[ "QuickChick", "ZArith", "Strings.Ascii", "Strings.String", "ExtLib.Structures", "Functor", "Applicative", "QcDefaultNotation", "Proofs" ]
[ "freq_" ]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
" 'freq' [ ( n , x ) ; y ; .. ; z ] "
:= (freq_ x (cons (n, x) (cons y .. (cons z nil) ..))) : qc_scope.
Notation
'freq' [ ( n , x ) ; y ; .. ; z ]
doc
doc/QuickChickInterface.v
[ "QuickChick", "ZArith", "Strings.Ascii", "Strings.String", "ExtLib.Structures", "Functor", "Applicative", "QcDefaultNotation", "Proofs" ]
[ "freq_" ]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
" 'freq' ( ( n , x ) ;; l ) "
:= (freq_ x (cons (n, x) l)) (at level 1, no associativity) : qc_scope.
Notation
'freq' ( ( n , x ) ;; l )
doc
doc/QuickChickInterface.v
[ "QuickChick", "ZArith", "Strings.Ascii", "Strings.String", "ExtLib.Structures", "Functor", "Applicative", "QcDefaultNotation", "Proofs" ]
[ "freq_" ]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
choose : forall {A : Type} `{ChoosableFromInterval A}, (A * A) -> G A.
Parameter
choose
doc
doc/QuickChickInterface.v
[ "QuickChick", "ZArith", "Strings.Ascii", "Strings.String", "ExtLib.Structures", "Functor", "Applicative", "QcDefaultNotation", "Proofs" ]
[ "ChoosableFromInterval" ]
[choose l r] generates a value between [l] and [r], inclusive the two extremes. It causes a runtime error if [r < l].
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
"'genSizedST' x"
:= ((@arbitrarySizeST _ x _)) (at level 10).
Notation
'genSizedST' x
doc
doc/QuickChickInterface.v
[ "QuickChick", "ZArith", "Strings.Ascii", "Strings.String", "ExtLib.Structures", "Functor", "Applicative", "QcDefaultNotation", "Proofs" ]
[]
So, for example, if you have a typing relation [has_type : exp -> type -> Prop] for some language, you could, given some type [T] as input, write (or derive as we will see later on) an instance of [GenSizedSuchThat (fun e => has_type e T)], that produces an expression of with type [T]. Cal...
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
"'genST' x"
:= ((@arbitraryST _ x _)) (at level 10).
Notation
'genST' x
doc
doc/QuickChickInterface.v
[ "QuickChick", "ZArith", "Strings.Ascii", "Strings.String", "ExtLib.Structures", "Functor", "Applicative", "QcDefaultNotation", "Proofs" ]
[]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
Checker : Type.
Parameter
Checker
doc
doc/QuickChickInterface.v
[ "QuickChick", "ZArith", "Strings.Ascii", "Strings.String", "ExtLib.Structures", "Functor", "Applicative", "QcDefaultNotation", "Proofs" ]
[]
[Checker] is the opaque type of QuickChick properties.
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
forAll : forall {A prop : Type} `{Checkable prop} `{Show A} (gen : G A) (pf : A -> prop), Checker.
Parameter
forAll
doc
doc/QuickChickInterface.v
[ "QuickChick", "ZArith", "Strings.Ascii", "Strings.String", "ExtLib.Structures", "Functor", "Applicative", "QcDefaultNotation", "Proofs" ]
[ "Checkable", "Checker", "Show", "gen", "prop" ]
Given a generator for showable [A]s, construct a [Checker].
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
forAllShrink : forall {A prop : Type} `{Checkable prop} `{Show A} (gen : G A) (shrinker : A -> list A) (pf : A -> prop), Checker.
Parameter
forAllShrink
doc
doc/QuickChickInterface.v
[ "QuickChick", "ZArith", "Strings.Ascii", "Strings.String", "ExtLib.Structures", "Functor", "Applicative", "QcDefaultNotation", "Proofs" ]
[ "Checkable", "Checker", "Show", "gen", "prop" ]
Given a generator and a shrinker for showable [A]s, construct a [Checker].
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
whenFail : forall {prop : Type} `{Checkable prop} (str : string), prop -> Checker.
Parameter
whenFail
doc
doc/QuickChickInterface.v
[ "QuickChick", "ZArith", "Strings.Ascii", "Strings.String", "ExtLib.Structures", "Functor", "Applicative", "QcDefaultNotation", "Proofs" ]
[ "Checkable", "Checker", "prop", "string" ]
Print a specific string if the property fails.
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
expectFailure : forall {prop: Type} `{Checkable prop} (p: prop), Checker.
Parameter
expectFailure
doc
doc/QuickChickInterface.v
[ "QuickChick", "ZArith", "Strings.Ascii", "Strings.String", "ExtLib.Structures", "Functor", "Applicative", "QcDefaultNotation", "Proofs" ]
[ "Checkable", "Checker", "prop" ]
SOONER: I think I need help with the phrasing here. What I mean is QuickChick will run its default number of tests (whether that is 100 or 10000000 doesn't matter). If all of those 100 or 10000000 tests succeed, then an [expectFailure property] is considered to fail because a failure was expected but not fo...
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
collect : forall {A prop : Type} `{Show A} `{Checkable prop} (x : A), prop -> Checker.
Parameter
collect
doc
doc/QuickChickInterface.v
[ "QuickChick", "ZArith", "Strings.Ascii", "Strings.String", "ExtLib.Structures", "Functor", "Applicative", "QcDefaultNotation", "Proofs" ]
[ "Checkable", "Checker", "Show", "prop" ]
Collect statistics across all tests.
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
tag : forall {prop : Type} `{Checkable prop} (t : string), prop -> Checker.
Parameter
tag
doc
doc/QuickChickInterface.v
[ "QuickChick", "ZArith", "Strings.Ascii", "Strings.String", "ExtLib.Structures", "Functor", "Applicative", "QcDefaultNotation", "Proofs" ]
[ "Checkable", "Checker", "prop", "string" ]
SOONER: Explain better.
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
conjoin : forall (l : list Checker), Checker.
Parameter
conjoin
doc
doc/QuickChickInterface.v
[ "QuickChick", "ZArith", "Strings.Ascii", "Strings.String", "ExtLib.Structures", "Functor", "Applicative", "QcDefaultNotation", "Proofs" ]
[ "Checker" ]
SOONER: BCP: I think keeping is best.
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
disjoin : forall (l : list Checker), Checker.
Parameter
disjoin
doc
doc/QuickChickInterface.v
[ "QuickChick", "ZArith", "Strings.Ascii", "Strings.String", "ExtLib.Structures", "Functor", "Applicative", "QcDefaultNotation", "Proofs" ]
[ "Checker" ]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
implication : forall {prop : Type} `{Checkable prop} (b : bool) (p : prop), Checker.
Parameter
implication
doc
doc/QuickChickInterface.v
[ "QuickChick", "ZArith", "Strings.Ascii", "Strings.String", "ExtLib.Structures", "Functor", "Applicative", "QcDefaultNotation", "Proofs" ]
[ "Checkable", "Checker", "prop" ]
Define a checker for a conditional property. Invalid generated inputs (ones for which the antecedent fails) are discarded.
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
"x ==> y"
:= (implication x y) (at level 55, right associativity) : Checker_scope.
Notation
x ==> y
doc
doc/QuickChickInterface.v
[ "QuickChick", "ZArith", "Strings.Ascii", "Strings.String", "ExtLib.Structures", "Functor", "Applicative", "QcDefaultNotation", "Proofs" ]
[ "implication" ]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
"P '?'"
:= (match (@dec P _) with | left _ => true | right _ => false end) (at level 100).
Notation
P '?'
doc
doc/QuickChickInterface.v
[ "QuickChick", "ZArith", "Strings.Ascii", "Strings.String", "ExtLib.Structures", "Functor", "Applicative", "QcDefaultNotation", "Proofs" ]
[]
A convenient notation for coercing a decidable proposition to a [bool].
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
Args
:= MkArgs { (* Re-execute a test. *) (* Default: None *) replay : option (RandomSeed * nat); (* Maximum number of successful tests to run. *) (* Default: 10000 *) maxSuccess : nat; (* Maximum number of discards to accept. *) (* Default: 20000 *) maxDiscard...
Record
Args
doc
doc/QuickChickInterface.v
[ "QuickChick", "ZArith", "Strings.Ascii", "Strings.String", "ExtLib.Structures", "Functor", "Applicative", "QcDefaultNotation", "Proofs" ]
[ "RandomSeed", "nat" ]
QuickChick uses arguments to customize execution.
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
semGen : forall {A : Type} (g : G A), set A.
Parameter
semGen
doc
doc/QuickChickInterface.v
[ "QuickChick", "ZArith", "Strings.Ascii", "Strings.String", "ExtLib.Structures", "Functor", "Applicative", "QcDefaultNotation", "Proofs" ]
[ "set" ]
The semantics of a generator is its set of possible outcomes.
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
semGenSize : forall {A : Type} (g : G A) (size : nat), set A.
Parameter
semGenSize
doc
doc/QuickChickInterface.v
[ "QuickChick", "ZArith", "Strings.Ascii", "Strings.String", "ExtLib.Structures", "Functor", "Applicative", "QcDefaultNotation", "Proofs" ]
[ "nat", "set", "size" ]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
bindGen' : forall {A B : Type} (g : G A), (forall (a : A), (a \in semGen g) -> G B) -> G B.
Parameter
bindGen'
doc
doc/QuickChickInterface.v
[ "QuickChick", "ZArith", "Strings.Ascii", "Strings.String", "ExtLib.Structures", "Functor", "Applicative", "QcDefaultNotation", "Proofs" ]
[ "semGen" ]
A variant of monadic bind where the continuation also takes a _proof_ that the value received is within the set of outcomes of the first generator.
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
forAllProof : forall {A prop : Type} `{Checkable prop} `{Show A} (gen : G A) (pf : forall (x : A), semGen gen x -> prop), Checker.
Parameter
forAllProof
doc
doc/QuickChickInterface.v
[ "QuickChick", "ZArith", "Strings.Ascii", "Strings.String", "ExtLib.Structures", "Functor", "Applicative", "QcDefaultNotation", "Proofs" ]
[ "Checkable", "Checker", "Show", "gen", "prop", "semGen" ]
A variant of [forAll] that provides evidence that the generated values are members of the semantics of the generator. (Such evidence can be useful when constructing dependently typed data, such as bounded integers.)
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
"'do!' X <- A ; B"
:= (bindGen A (fun X => B)) (at level 200, X name, A at level 100, B at level 200).
Notation
'do!' X <- A ; B
doc
doc/QuickChickInterface.v
[ "QuickChick", "ZArith", "Strings.Ascii", "Strings.String", "ExtLib.Structures", "Functor", "Applicative", "QcDefaultNotation", "Proofs" ]
[ "bindGen" ]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
"'do\'' X <- A ; B"
:= (bindGen' A (fun X H => B)) (at level 200, X name, A at level 100, B at level 200).
Notation
'do\'' X <- A ; B
doc
doc/QuickChickInterface.v
[ "QuickChick", "ZArith", "Strings.Ascii", "Strings.String", "ExtLib.Structures", "Functor", "Applicative", "QcDefaultNotation", "Proofs" ]
[ "bindGen'" ]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
"'doM!' X <- A ; B"
:= (bindGenOpt A (fun X => B)) (at level 200, X name, A at level 100, B at level 200).
Notation
'doM!' X <- A ; B
doc
doc/QuickChickInterface.v
[ "QuickChick", "ZArith", "Strings.Ascii", "Strings.String", "ExtLib.Structures", "Functor", "Applicative", "QcDefaultNotation", "Proofs" ]
[ "bindGenOpt" ]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
plus' : nat -> nat -> nat.
Parameter
plus'
examples.c-mutation.t
examples/c-mutation.t/plus.v
[ "QuickChick" ]
[ "nat" ]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
plus_prop x y
:= plus' x y = x + y?.
Definition
plus_prop
examples.c-mutation.t
examples/c-mutation.t/plus.v
[ "QuickChick" ]
[ "plus'" ]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
square_of_equiv : nat -> nat -> Prop
:= | sq' : forall n m, mult n n = m -> square_of_equiv n m.
Inductive
square_of_equiv
examples.deriving-tests
examples/deriving-tests/function.v
[ "QuickChick", "Nat" ]
[ "mult", "nat" ]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
equiv_1 : @decOpt (square_of_equiv 2 4) _ 42 = Some true.
Proof. reflexivity. Qed.
Example
equiv_1
examples.deriving-tests
examples/deriving-tests/function.v
[ "QuickChick", "Nat" ]
[ "square_of_equiv" ]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
equiv_2 : @decOpt (square_of_equiv 2 5) _ 42 = Some false.
Proof. reflexivity. Qed.
Example
equiv_2
examples.deriving-tests
examples/deriving-tests/function.v
[ "QuickChick", "Nat" ]
[ "square_of_equiv" ]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
square_of : nat -> nat -> Prop
:= | sq : forall n, square_of n (n * n).
Inductive
square_of
examples.deriving-tests
examples/deriving-tests/function.v
[ "QuickChick", "Nat" ]
[ "nat" ]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
sq_1 : @decOpt (square_of 2 4) _ 42 = Some true.
Proof. reflexivity. Qed.
Example
sq_1
examples.deriving-tests
examples/deriving-tests/function.v
[ "QuickChick", "Nat" ]
[ "square_of" ]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
sq_2 : @decOpt (square_of 2 5) _ 42 = Some false.
Proof. reflexivity. Qed.
Example
sq_2
examples.deriving-tests
examples/deriving-tests/function.v
[ "QuickChick", "Nat" ]
[ "square_of" ]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
correct_prod : (prod nat bool) -> Prop
:= | CorrectR1 : forall (p : prod nat bool) (n : nat), correct_prod (pair n (snd p)).
Inductive
correct_prod
examples.deriving-tests
examples/deriving-tests/function.v
[ "QuickChick", "Nat" ]
[ "nat", "snd" ]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
merge {X:Type} : list X -> list X -> list X -> Prop
:= | merge_empty : merge nil nil nil | merge_left : forall l1 l2 l3 x, merge l1 l2 l3 -> merge (x::l1) l2 (x::l3) | merge_right : forall l1 l2 l3 x, merge l1 l2 l3 -> merge l1 (x::l2) (x::l3).
Inductive
merge
examples.deriving-tests
examples/deriving-tests/in.v
[ "QuickChick" ]
[]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
In' {A:Type} : A -> list A -> Prop
:= | In_hd : forall x l, In' x (cons x l) | In_tl : forall x y l, In' x l -> In' x (cons y l).
Inductive
In'
examples.deriving-tests
examples/deriving-tests/in.v
[ "QuickChick" ]
[]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
In' (A:Type) : A -> list A -> Prop
:= | In_hd : forall x l, In' A x (cons x l) | In_tl : forall x y l, In' A x l -> In' A x (cons y l).
Inductive
In'
examples.deriving-tests
examples/deriving-tests/nodup.v
[ "QuickChick" ]
[]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
NoDup {A:Type} : list A -> Prop
:= | NoDup_nil : NoDup nil | NoDup_cons : forall a l, ~ In' A a l -> NoDup l -> NoDup (a :: l).
Inductive
NoDup
examples.deriving-tests
examples/deriving-tests/nodup.v
[ "QuickChick" ]
[ "In'" ]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
repeats {X:Type} : list X -> Prop
:= | rep_here : forall a l, In' X a l -> repeats (a::l) | rep_later : forall a l, repeats l -> repeats (a::l).
Inductive
repeats
examples.deriving-tests
examples/deriving-tests/nodup.v
[ "QuickChick" ]
[ "In'" ]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
nostutter {X:Type} : list X -> Prop
:= | nostutter0: nostutter nil | nostutter1 n : nostutter (n::nil) | nostutter2 a b r : a <> b -> nostutter (b::r) -> nostutter (a::b::r).
Inductive
nostutter
examples.deriving-tests
examples/deriving-tests/nostutter.v
[ "QuickChick" ]
[]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
subst (y : var) (e1 : term) (e2 : term) : term
:= match e2 with | Const n => Const n | Id x => if eq_nat_dec x y then e1 else e2 | App e e' => App (subst y e1 e) (subst y e1 e') | Abs t e => Abs t (subst (S y) e1 e) end.
Fixpoint
subst
examples.deriving-tests
examples/deriving-tests/stlc.v
[ "mathcomp", "ssreflect", "ssrbool", "eqtype", "Arith", "List", "String", "Lia", "QuickChick", "ListNotations" ]
[ "term", "var" ]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
preservation' (e : term) (t: type) : Checker
:= match step e with | Some e' => typing nil e' t ?? 10 | None => checker true end.
Definition
preservation'
examples.deriving-tests
examples/deriving-tests/stlc.v
[ "mathcomp", "ssreflect", "ssrbool", "eqtype", "Arith", "List", "String", "Lia", "QuickChick", "ListNotations" ]
[ "Checker", "step", "term", "type", "typing" ]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
preservation_prop (c : term -> type -> Checker)
:= forAll (@arbitrary type _) (fun t => forAllMaybe ((genST (fun e => typing nil e t))) (fun e => c e t)).
Definition
preservation_prop
examples.deriving-tests
examples/deriving-tests/stlc.v
[ "mathcomp", "ssreflect", "ssrbool", "eqtype", "Arith", "List", "String", "Lia", "QuickChick", "ListNotations" ]
[ "Checker", "forAll", "forAllMaybe", "term", "type", "typing" ]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
good_Z : Z -> Prop
:= | GoodZ0 : good_Z 0 | GoodZ1 : good_Z 1.
Inductive
good_Z
examples.ifc-basic
examples/ifc-basic/DerivedGen.v
[ "QuickChick", "ZArith", "List", "ListNotations", "QuickChick.ifcbasic", "Machine", "Printing", "Generation" ]
[]
Definition gen_Z := choose (0,1).
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
good_atom : Atom -> Prop
:= | GoodAtom : forall z l, good_Z z -> good_atom (Atm z l).
Inductive
good_atom
examples.ifc-basic
examples/ifc-basic/DerivedGen.v
[ "QuickChick", "ZArith", "List", "ListNotations", "QuickChick.ifcbasic", "Machine", "Printing", "Generation" ]
[ "Atom", "good_Z" ]
Definition gen_atom := liftGen2 Atm gen_Z gen_label.
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
good_mem : Mem -> Prop
:= | GoodMem : forall a1 a2, good_atom a1 -> good_atom a2 -> good_mem [a1 ; a2].
Inductive
good_mem
examples.ifc-basic
examples/ifc-basic/DerivedGen.v
[ "QuickChick", "ZArith", "List", "ListNotations", "QuickChick.ifcbasic", "Machine", "Printing", "Generation" ]
[ "Mem", "good_atom" ]
Definition gen_memory := vectorOf 2 gen_atom.
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
is_atom_low (a : Atom)
:= match a with | _ @ L => true | _ => false end.
Definition
is_atom_low
examples.ifc-basic
examples/ifc-basic/DerivedGen.v
[ "QuickChick", "ZArith", "List", "ListNotations", "QuickChick.ifcbasic", "Machine", "Printing", "Generation" ]
[ "Atom" ]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
good_stack : nat -> Stack -> Prop
:= | GoodStackMty : good_stack 0 Mty | GoodStackCons : forall n a s , good_atom a -> good_stack n s -> good_stack (S n) (a :: s) | GoodStackRet : forall n pc s, good_atom pc -> good_stack n s -> good_stack (S n) (RetCons pc s).
Inductive
good_stack
examples.ifc-basic
examples/ifc-basic/DerivedGen.v
[ "QuickChick", "ZArith", "List", "ListNotations", "QuickChick.ifcbasic", "Machine", "Printing", "Generation" ]
[ "Stack", "good_atom", "nat" ]
I could write this without the nat to exploit the default size!
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
contains_ret : Stack -> Prop
:= | RetHere : forall pc s, contains_ret (RetCons pc s) | RetLater : forall a s, contains_ret s -> contains_ret (a :: s).
Inductive
contains_ret
examples.ifc-basic
examples/ifc-basic/DerivedGen.v
[ "QuickChick", "ZArith", "List", "ListNotations", "QuickChick.ifcbasic", "Machine", "Printing", "Generation" ]
[ "Stack" ]
Definition ainstr (st : State) : G Instruction := let '(St im m stk pc ) := st in let fix stack_length s := match s with | _ :: s' => 1 + stack_length s' | _ => 0 end in let sl := stack_length stk in let fix containsRet s := match s with | _ ::: _ => true | _ ::...
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129
dec_contains_ret (s : Stack) : Dec (contains_ret s).
Proof. dec_eq. induction s. - right => H; inversion H. - destruct IHs. + left; constructor; auto. + right => H; inversion H; eauto. - left; constructor; auto. Defined.
Instance
dec_contains_ret
examples.ifc-basic
examples/ifc-basic/DerivedGen.v
[ "QuickChick", "ZArith", "List", "ListNotations", "QuickChick.ifcbasic", "Machine", "Printing", "Generation" ]
[ "Dec", "Stack", "contains_ret", "dec_eq" ]
https://github.com/QuickChick/QuickChick
5a6c291b11e9affe059c0e1812612bc474d0a129