author | bulwahn |
Fri, 03 Dec 2010 08:40:47 +0100 | |
changeset 40912 | 1108529100ce |
parent 40911 | 7febf76e0a69 |
child 40916 | 9928083506b6 |
permissions | -rw-r--r-- |
30824 | 1 |
(* Title: Tools/quickcheck.ML |
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Author: Stefan Berghofer, Florian Haftmann, Lukas Bulwahn, TU Muenchen |
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Generic counterexample search engine. |
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*) |
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signature QUICKCHECK = |
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sig |
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val setup: theory -> theory |
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(* configuration *) |
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val auto: bool Unsynchronized.ref |
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val timing : bool Unsynchronized.ref |
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val tester : string Config.T |
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val size : int Config.T |
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val iterations : int Config.T |
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val no_assms : bool Config.T |
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val report : bool Config.T |
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val quiet : bool Config.T |
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val timeout : real Config.T |
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val finite_types : bool Config.T |
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val finite_type_size : int Config.T |
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datatype report = Report of |
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{ iterations : int, raised_match_errors : int, |
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satisfied_assms : int list, positive_concl_tests : int } |
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datatype expectation = No_Expectation | No_Counterexample | Counterexample; |
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datatype test_params = Test_Params of {default_type: typ list, expect : expectation}; |
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val test_params_of : Proof.context -> test_params |
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val map_test_params : (typ list * expectation -> typ list * expectation) |
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-> Context.generic -> Context.generic |
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val add_generator: |
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string * (Proof.context -> term -> int -> term list option * report option) |
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-> Context.generic -> Context.generic |
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(* testing terms and proof states *) |
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val test_term: Proof.context -> bool -> term -> |
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(string * term) list option * ((string * int) list * ((int * report) list) option) |
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val test_goal_terms: |
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Proof.context -> bool -> (string * typ) list -> term list |
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-> (string * term) list option * ((string * int) list * ((int * report) list) option) list |
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val quickcheck: (string * string list) list -> int -> Proof.state -> (string * term) list option |
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end; |
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structure Quickcheck : QUICKCHECK = |
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struct |
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(* preferences *) |
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val auto = Unsynchronized.ref false; |
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val timing = Unsynchronized.ref false; |
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val _ = |
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ProofGeneralPgip.add_preference Preferences.category_tracing |
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(Unsynchronized.setmp auto true (fn () => |
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Preferences.bool_pref auto |
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"auto-quickcheck" |
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"Run Quickcheck automatically.") ()); |
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(* quickcheck report *) |
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datatype report = Report of |
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{ iterations : int, raised_match_errors : int, |
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satisfied_assms : int list, positive_concl_tests : int } |
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(* expectation *) |
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datatype expectation = No_Expectation | No_Counterexample | Counterexample; |
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fun merge_expectation (expect1, expect2) = |
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if expect1 = expect2 then expect1 else No_Expectation |
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(* quickcheck configuration -- default parameters, test generators *) |
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val (tester, setup_tester) = Attrib.config_string "quickcheck_tester" (K "") |
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val (size, setup_size) = Attrib.config_int "quickcheck_size" (K 10) |
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val (iterations, setup_iterations) = Attrib.config_int "quickcheck_iterations" (K 100) |
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val (no_assms, setup_no_assms) = Attrib.config_bool "quickcheck_no_assms" (K false) |
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val (report, setup_report) = Attrib.config_bool "quickcheck_report" (K true) |
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val (quiet, setup_quiet) = Attrib.config_bool "quickcheck_quiet" (K false) |
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val (timeout, setup_timeout) = Attrib.config_real "quickcheck_timeout" (K 30.0) |
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val (finite_types, setup_finite_types) = Attrib.config_bool "quickcheck_finite_types" (K true) |
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val (finite_type_size, setup_finite_type_size) = Attrib.config_int "quickcheck_finite_type_size" (K 3) |
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val setup_config = |
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setup_tester #> setup_size #> setup_iterations #> setup_no_assms #> setup_report #> setup_quiet |
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#> setup_timeout #> setup_finite_types #> setup_finite_type_size |
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datatype test_params = Test_Params of |
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{default_type: typ list, expect : expectation}; |
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fun dest_test_params (Test_Params {default_type, expect}) = (default_type, expect); |
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fun make_test_params (default_type, expect) = Test_Params {default_type = default_type, expect = expect}; |
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fun map_test_params' f (Test_Params {default_type, expect}) = make_test_params (f (default_type, expect)); |
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fun merge_test_params |
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(Test_Params {default_type = default_type1, expect = expect1}, |
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Test_Params {default_type = default_type2, expect = expect2}) = |
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make_test_params (merge (op =) (default_type1, default_type2), merge_expectation (expect1, expect2)); |
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structure Data = Generic_Data |
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( |
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type T = |
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(string * (Proof.context -> term -> int -> term list option * report option)) list |
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* test_params; |
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val empty = ([], Test_Params {default_type = [], expect = No_Expectation}); |
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val extend = I; |
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fun merge ((generators1, params1), (generators2, params2)) : T = |
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(AList.merge (op =) (K true) (generators1, generators2), |
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merge_test_params (params1, params2)); |
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); |
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val test_params_of = snd o Data.get o Context.Proof; |
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val default_type = fst o dest_test_params o test_params_of |
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val expect = snd o dest_test_params o test_params_of |
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val map_test_params = Data.map o apsnd o map_test_params' |
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val add_generator = Data.map o apfst o AList.update (op =); |
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(* generating tests *) |
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fun mk_tester ctxt t = |
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let |
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val name = Config.get ctxt tester |
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val tester = case AList.lookup (op =) ((fst o Data.get o Context.Proof) ctxt) name |
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of NONE => error ("No such quickcheck tester: " ^ name) |
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| SOME tester => tester ctxt; |
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in |
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if Config.get ctxt quiet then |
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try tester t |
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else |
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let |
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val tester = Exn.interruptible_capture tester t |
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in case Exn.get_result tester of |
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NONE => SOME (Exn.release tester) |
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| SOME tester => SOME tester |
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end |
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end |
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(* testing propositions *) |
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fun prep_test_term t = |
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let |
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val _ = (null (Term.add_tvars t []) andalso null (Term.add_tfrees t [])) orelse |
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error "Term to be tested contains type variables"; |
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val _ = null (Term.add_vars t []) orelse |
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error "Term to be tested contains schematic variables"; |
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val frees = Term.add_frees t []; |
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in (map fst frees, list_abs_free (frees, t)) end |
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fun cpu_time description f = |
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let |
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val start = start_timing () |
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|
156 |
val result = Exn.capture f () |
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|
157 |
val time = Time.toMilliseconds (#cpu (end_timing start)) |
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|
158 |
in (Exn.release result, (description, time)) end |
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|
159 |
|
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|
160 |
fun test_term ctxt is_interactive t = |
28309 | 161 |
let |
162 |
val (names, t') = prep_test_term t; |
|
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|
163 |
val current_size = Unsynchronized.ref 0 |
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|
164 |
fun excipit s = |
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165 |
"Quickcheck " ^ s ^ " while testing at size " ^ string_of_int (!current_size) |
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166 |
val (test_fun, comp_time) = cpu_time "quickcheck compilation" (fn () => mk_tester ctxt t'); |
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167 |
fun with_size test_fun k reports = |
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|
168 |
if k > Config.get ctxt size then |
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|
169 |
(NONE, reports) |
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170 |
else |
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171 |
let |
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|
172 |
val _ = if Config.get ctxt quiet then () else Output.urgent_message |
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173 |
("Test data size: " ^ string_of_int k) |
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|
174 |
val _ = current_size := k |
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|
175 |
val ((result, new_report), timing) = |
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|
176 |
cpu_time ("size " ^ string_of_int k) (fn () => test_fun (k - 1)) |
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|
177 |
val reports = case new_report of NONE => reports | SOME rep => (k, rep) :: reports |
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in case result of NONE => with_size test_fun (k + 1) reports | SOME q => (SOME q, reports) end; |
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|
179 |
in |
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|
180 |
case test_fun of NONE => (NONE, ([comp_time], NONE)) |
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181 |
| SOME test_fun => |
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|
182 |
TimeLimit.timeLimit (seconds (Config.get ctxt timeout)) (fn () => |
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|
183 |
let |
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|
184 |
val ((result, reports), exec_time) = |
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|
185 |
cpu_time "quickcheck execution" (fn () => with_size test_fun 1 []) |
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|
186 |
in |
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|
187 |
(case result of NONE => NONE | SOME ts => SOME (names ~~ ts), |
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|
188 |
([exec_time, comp_time], if Config.get ctxt report then SOME reports else NONE)) |
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|
189 |
end) () |
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|
190 |
handle TimeLimit.TimeOut => |
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|
191 |
if is_interactive then error (excipit "ran out of time") else raise TimeLimit.TimeOut |
28309 | 192 |
end; |
193 |
||
40647 | 194 |
fun get_finite_types ctxt = |
195 |
fst (chop (Config.get ctxt finite_type_size) |
|
196 |
(map (Type o rpair []) ["Enum.finite_1", "Enum.finite_2", "Enum.finite_3", |
|
197 |
"Enum.finite_4", "Enum.finite_5"])) |
|
198 |
||
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|
199 |
exception WELLSORTED of string |
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|
200 |
|
28309 | 201 |
fun monomorphic_term thy insts default_T = |
202 |
let |
|
203 |
fun subst (T as TFree (v, S)) = |
|
40903 | 204 |
let |
205 |
val T' = AList.lookup (op =) insts v |
|
206 |
|> the_default default_T |
|
207 |
in if Sign.of_sort thy (T', S) then T' |
|
208 |
else raise (WELLSORTED ("For instantiation with default_type " ^ Syntax.string_of_typ_global thy default_T ^ |
|
209 |
":\n" ^ Syntax.string_of_typ_global thy T' ^ |
|
210 |
" to be substituted for variable " ^ |
|
211 |
Syntax.string_of_typ_global thy T ^ " does not have sort " ^ |
|
212 |
Syntax.string_of_sort_global thy S)) |
|
213 |
end |
|
28309 | 214 |
| subst T = T; |
215 |
in (map_types o map_atyps) subst end; |
|
216 |
||
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217 |
datatype wellsorted_error = Wellsorted_Error of string | Term of term |
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|
218 |
|
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|
219 |
fun test_goal_terms lthy is_interactive insts check_goals = |
28309 | 220 |
let |
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|
221 |
val thy = ProofContext.theory_of lthy |
40647 | 222 |
val inst_goals = |
223 |
if Config.get lthy finite_types then |
|
224 |
maps (fn check_goal => map (fn T => |
|
225 |
Term ((Object_Logic.atomize_term thy o monomorphic_term thy insts T) check_goal) |
|
226 |
handle WELLSORTED s => Wellsorted_Error s) (get_finite_types lthy)) check_goals |
|
227 |
else |
|
228 |
maps (fn check_goal => map (fn T => |
|
229 |
Term ((Object_Logic.atomize_term thy o monomorphic_term thy insts T) check_goal) |
|
230 |
handle WELLSORTED s => Wellsorted_Error s) (default_type lthy)) check_goals |
|
37913
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changeset
|
231 |
val error_msg = cat_lines (map_filter (fn Term t => NONE | Wellsorted_Error s => SOME s) inst_goals) |
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|
232 |
val correct_inst_goals = |
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|
233 |
case map_filter (fn Term t => SOME t | Wellsorted_Error s => NONE) inst_goals of |
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changeset
|
234 |
[] => error error_msg |
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parents:
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diff
changeset
|
235 |
| xs => xs |
40644
0850a2a16dce
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parents:
40643
diff
changeset
|
236 |
val _ = if Config.get lthy quiet then () else warning error_msg |
37912 | 237 |
fun collect_results f reports [] = (NONE, rev reports) |
238 |
| collect_results f reports (t :: ts) = |
|
239 |
case f t of |
|
240 |
(SOME res, report) => (SOME res, rev (report :: reports)) |
|
241 |
| (NONE, report) => collect_results f (report :: reports) ts |
|
40909
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changeset
|
242 |
in collect_results (test_term lthy is_interactive) [] correct_inst_goals end; |
37912 | 243 |
|
40909
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changeset
|
244 |
fun test_goal insts i state = |
40648
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changeset
|
245 |
let |
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changeset
|
246 |
val lthy = Proof.context_of state; |
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changeset
|
247 |
val thy = Proof.theory_of state; |
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changeset
|
248 |
fun strip (Const ("all", _) $ Abs (_, _, t)) = strip t |
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changeset
|
249 |
| strip t = t; |
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diff
changeset
|
250 |
val {goal = st, ...} = Proof.raw_goal state; |
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changeset
|
251 |
val (gi, frees) = Logic.goal_params (prop_of st) i; |
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changeset
|
252 |
val some_locale = case (Option.map #target o Named_Target.peek) lthy |
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changeset
|
253 |
of NONE => NONE |
1598ec648b0d
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changeset
|
254 |
| SOME "" => NONE |
1598ec648b0d
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changeset
|
255 |
| SOME locale => SOME locale; |
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parents:
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diff
changeset
|
256 |
val assms = if Config.get lthy no_assms then [] else case some_locale |
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diff
changeset
|
257 |
of NONE => Assumption.all_assms_of lthy |
1598ec648b0d
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parents:
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diff
changeset
|
258 |
| SOME locale => Assumption.local_assms_of lthy (Locale.init locale thy); |
1598ec648b0d
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parents:
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diff
changeset
|
259 |
val proto_goal = Logic.list_implies (map Thm.term_of assms, subst_bounds (frees, strip gi)); |
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parents:
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diff
changeset
|
260 |
val check_goals = case some_locale |
1598ec648b0d
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bulwahn
parents:
40647
diff
changeset
|
261 |
of NONE => [proto_goal] |
1598ec648b0d
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bulwahn
parents:
40647
diff
changeset
|
262 |
| SOME locale => map (fn (_, phi) => Morphism.term phi proto_goal) |
1598ec648b0d
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bulwahn
parents:
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diff
changeset
|
263 |
(Locale.registrations_of (Context.Theory thy) (*FIXME*) locale); |
1598ec648b0d
splitting test_goal function in two functions; exporting new configurations in quickcheck; iterations depend on generator_name in quickcheck
bulwahn
parents:
40647
diff
changeset
|
264 |
in |
40909
e006d1e06920
renamed parameter from generator to tester; quickcheck only applies one tester on invocation
bulwahn
parents:
40908
diff
changeset
|
265 |
test_goal_terms lthy true insts check_goals |
40648
1598ec648b0d
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parents:
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diff
changeset
|
266 |
end |
1598ec648b0d
splitting test_goal function in two functions; exporting new configurations in quickcheck; iterations depend on generator_name in quickcheck
bulwahn
parents:
40647
diff
changeset
|
267 |
|
37912 | 268 |
(* pretty printing *) |
28315 | 269 |
|
40225 | 270 |
fun tool_name auto = (if auto then "Auto " else "") ^ "Quickcheck" |
271 |
||
272 |
fun pretty_counterex ctxt auto NONE = Pretty.str (tool_name auto ^ " found no counterexample.") |
|
273 |
| pretty_counterex ctxt auto (SOME cex) = |
|
274 |
Pretty.chunks (Pretty.str (tool_name auto ^ " found a counterexample:\n") :: |
|
28315 | 275 |
map (fn (s, t) => |
276 |
Pretty.block [Pretty.str (s ^ " ="), Pretty.brk 1, Syntax.pretty_term ctxt t]) cex); |
|
277 |
||
35378
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diff
changeset
|
278 |
fun pretty_report (Report {iterations = iterations, raised_match_errors = raised_match_errors, |
95d0e3adf38e
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parents:
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diff
changeset
|
279 |
satisfied_assms = satisfied_assms, positive_concl_tests = positive_concl_tests}) = |
95d0e3adf38e
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diff
changeset
|
280 |
let |
95d0e3adf38e
added basic reporting of test cases to quickcheck
bulwahn
parents:
35324
diff
changeset
|
281 |
fun pretty_stat s i = Pretty.block ([Pretty.str (s ^ ": " ^ string_of_int i)]) |
95d0e3adf38e
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bulwahn
parents:
35324
diff
changeset
|
282 |
in |
95d0e3adf38e
added basic reporting of test cases to quickcheck
bulwahn
parents:
35324
diff
changeset
|
283 |
([pretty_stat "iterations" iterations, |
95d0e3adf38e
added basic reporting of test cases to quickcheck
bulwahn
parents:
35324
diff
changeset
|
284 |
pretty_stat "match exceptions" raised_match_errors] |
95d0e3adf38e
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bulwahn
parents:
35324
diff
changeset
|
285 |
@ map_index (fn (i, n) => pretty_stat ("satisfied " ^ string_of_int (i + 1) ^ ". assumption") n) |
95d0e3adf38e
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bulwahn
parents:
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diff
changeset
|
286 |
satisfied_assms |
95d0e3adf38e
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bulwahn
parents:
35324
diff
changeset
|
287 |
@ [pretty_stat "positive conclusion tests" positive_concl_tests]) |
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diff
changeset
|
288 |
end |
95d0e3adf38e
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bulwahn
parents:
35324
diff
changeset
|
289 |
|
35380
6ac5b81a763d
adopting Mutabelle to quickcheck reporting; improving quickcheck reporting
bulwahn
parents:
35379
diff
changeset
|
290 |
fun pretty_reports ctxt (SOME reports) = |
35378
95d0e3adf38e
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bulwahn
parents:
35324
diff
changeset
|
291 |
Pretty.chunks (Pretty.str "Quickcheck report:" :: |
40909
e006d1e06920
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bulwahn
parents:
40908
diff
changeset
|
292 |
maps (fn (size, report) => |
e006d1e06920
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40908
diff
changeset
|
293 |
Pretty.str ("size " ^ string_of_int size ^ ":") :: pretty_report report @ [Pretty.brk 1]) |
35378
95d0e3adf38e
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diff
changeset
|
294 |
(rev reports)) |
35380
6ac5b81a763d
adopting Mutabelle to quickcheck reporting; improving quickcheck reporting
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35379
diff
changeset
|
295 |
| pretty_reports ctxt NONE = Pretty.str "" |
35378
95d0e3adf38e
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35324
diff
changeset
|
296 |
|
40225 | 297 |
fun pretty_counterex_and_reports ctxt auto (cex, timing_and_reports) = |
298 |
Pretty.chunks (pretty_counterex ctxt auto cex :: |
|
299 |
map (pretty_reports ctxt) (map snd timing_and_reports)) |
|
28315 | 300 |
|
301 |
(* automatic testing *) |
|
28309 | 302 |
|
33561
ab01b72715ef
introduced Auto Nitpick in addition to Auto Quickcheck;
blanchet
parents:
33560
diff
changeset
|
303 |
fun auto_quickcheck state = |
ab01b72715ef
introduced Auto Nitpick in addition to Auto Quickcheck;
blanchet
parents:
33560
diff
changeset
|
304 |
if not (!auto) then |
ab01b72715ef
introduced Auto Nitpick in addition to Auto Quickcheck;
blanchet
parents:
33560
diff
changeset
|
305 |
(false, state) |
ab01b72715ef
introduced Auto Nitpick in addition to Auto Quickcheck;
blanchet
parents:
33560
diff
changeset
|
306 |
else |
ab01b72715ef
introduced Auto Nitpick in addition to Auto Quickcheck;
blanchet
parents:
33560
diff
changeset
|
307 |
let |
ab01b72715ef
introduced Auto Nitpick in addition to Auto Quickcheck;
blanchet
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val ctxt = Proof.context_of state; |
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309 |
val res = |
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310 |
state |
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|> Proof.map_context (Config.put report false #> Config.put quiet true) |
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|> try (test_goal [] 1); |
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|
313 |
in |
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|
314 |
case res of |
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|
315 |
NONE => (false, state) |
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| SOME (NONE, report) => (false, state) |
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317 |
| SOME (cex, report) => (true, Proof.goal_message (K (Pretty.chunks [Pretty.str "", |
40225 | 318 |
Pretty.mark Markup.hilite (pretty_counterex ctxt true cex)])) state) |
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319 |
end |
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|
320 |
|
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|
321 |
val setup = Auto_Tools.register_tool ("quickcheck", auto_quickcheck) |
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#> setup_config |
28315 | 323 |
|
30980 | 324 |
(* Isar commands *) |
28315 | 325 |
|
28336 | 326 |
fun read_nat s = case (Library.read_int o Symbol.explode) s |
327 |
of (k, []) => if k >= 0 then k |
|
328 |
else error ("Not a natural number: " ^ s) |
|
329 |
| (_, _ :: _) => error ("Not a natural number: " ^ s); |
|
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|
330 |
|
34128
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331 |
fun read_bool "false" = false |
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332 |
| read_bool "true" = true |
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| read_bool s = error ("Not a Boolean value: " ^ s) |
28315 | 334 |
|
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|
335 |
fun read_real s = |
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case (Real.fromString s) of |
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337 |
SOME s => s |
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|
338 |
| NONE => error ("Not a real number: " ^ s) |
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|
339 |
|
37929
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340 |
fun read_expectation "no_expectation" = No_Expectation |
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341 |
| read_expectation "no_counterexample" = No_Counterexample |
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| read_expectation "counterexample" = Counterexample |
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|
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| read_expectation s = error ("Not an expectation value: " ^ s) |
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|
344 |
|
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fun valid_tester_name genctxt = AList.defined (op =) (fst (Data.get genctxt)) |
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|
346 |
|
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|
347 |
fun parse_tester name genctxt = |
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if valid_tester_name genctxt name then |
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349 |
Config.put_generic tester name genctxt |
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350 |
else |
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351 |
error ("Unknown tester: " ^ name) |
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|
352 |
|
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|
353 |
fun parse_test_param ("tester", [arg]) = parse_tester arg |
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354 |
| parse_test_param ("size", [arg]) = Config.put_generic size (read_nat arg) |
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|
355 |
| parse_test_param ("iterations", [arg]) = Config.put_generic iterations (read_nat arg) |
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|
356 |
| parse_test_param ("default_type", arg) = (fn gen_ctxt => |
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|
357 |
map_test_params ((apfst o K) (map (ProofContext.read_typ (Context.proof_of gen_ctxt)) arg)) gen_ctxt) |
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|
358 |
| parse_test_param ("no_assms", [arg]) = Config.put_generic no_assms (read_bool arg) |
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|
359 |
| parse_test_param ("expect", [arg]) = map_test_params ((apsnd o K) (read_expectation arg)) |
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|
360 |
| parse_test_param ("report", [arg]) = Config.put_generic report (read_bool arg) |
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|
361 |
| parse_test_param ("quiet", [arg]) = Config.put_generic quiet (read_bool arg) |
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|
362 |
| parse_test_param ("timeout", [arg]) = Config.put_generic timeout (read_real arg) |
40646 | 363 |
| parse_test_param ("finite_types", [arg]) = Config.put_generic finite_types (read_bool arg) |
40647 | 364 |
| parse_test_param ("finite_type_size", [arg]) = Config.put_generic finite_type_size (read_nat arg) |
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|
365 |
| parse_test_param (name, _) = fn genctxt => |
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|
366 |
if valid_tester_name genctxt name then |
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|
367 |
Config.put_generic tester name genctxt |
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|
368 |
else error ("Unknown tester or test parameter: " ^ name); |
28315 | 369 |
|
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|
370 |
fun parse_test_param_inst (name, arg) (insts, ctxt) = |
28336 | 371 |
case try (ProofContext.read_typ ctxt) name |
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|
372 |
of SOME (TFree (v, _)) => (apfst o AList.update (op =)) |
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|
373 |
(v, ProofContext.read_typ ctxt (the_single arg)) (insts, ctxt) |
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|
374 |
| _ => (apsnd o Context.proof_map o parse_test_param) (name, arg) (insts, ctxt); |
28309 | 375 |
|
40644
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|
376 |
fun quickcheck_params_cmd args = Context.theory_map (fold parse_test_param args); |
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|
377 |
|
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|
378 |
fun gen_quickcheck args i state = |
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|
379 |
state |
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|
380 |
|> Proof.map_context_result (fn ctxt => fold parse_test_param_inst args ([], ctxt)) |
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|
381 |
|> (fn (insts, state') => test_goal insts i state' |
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|
382 |
|> tap (fn (SOME x, _) => if expect (Proof.context_of state') = No_Counterexample then |
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changeset
|
383 |
error ("quickcheck expected to find no counterexample but found one") else () |
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|
384 |
| (NONE, _) => if expect (Proof.context_of state') = Counterexample then |
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changed old-style quickcheck configurations to new Config.T configurations
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changeset
|
385 |
error ("quickcheck expected to find a counterexample but did not find one") else ())) |
32297 | 386 |
|
36960
01594f816e3a
prefer structure Keyword, Parse, Parse_Spec, Outer_Syntax;
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|
387 |
fun quickcheck args i state = fst (gen_quickcheck args i state); |
35378
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|
388 |
|
32297 | 389 |
fun quickcheck_cmd args i state = |
35378
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changeset
|
390 |
gen_quickcheck args i (Toplevel.proof_of state) |
40225 | 391 |
|> Pretty.writeln o pretty_counterex_and_reports (Toplevel.context_of state) false; |
28309 | 392 |
|
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changed default types to a list of types; extended quickcheck parameters to be a list of values to parse a list of default types
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changeset
|
393 |
val parse_arg = Parse.name -- (Scan.optional (Parse.$$$ "=" |-- |
40366
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changing timeout to real value; handling Interrupt and Timeout more like nitpick does
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diff
changeset
|
394 |
(((Parse.name || Parse.float_number) >> single) || (Parse.$$$ "[" |-- Parse.list1 Parse.name --| Parse.$$$ "]"))) ["true"]); |
28309 | 395 |
|
36960
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prefer structure Keyword, Parse, Parse_Spec, Outer_Syntax;
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diff
changeset
|
396 |
val parse_args = Parse.$$$ "[" |-- Parse.list1 parse_arg --| Parse.$$$ "]" |
28336 | 397 |
|| Scan.succeed []; |
398 |
||
36960
01594f816e3a
prefer structure Keyword, Parse, Parse_Spec, Outer_Syntax;
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diff
changeset
|
399 |
val _ = |
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prefer structure Keyword, Parse, Parse_Spec, Outer_Syntax;
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diff
changeset
|
400 |
Outer_Syntax.command "quickcheck_params" "set parameters for random testing" Keyword.thy_decl |
01594f816e3a
prefer structure Keyword, Parse, Parse_Spec, Outer_Syntax;
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diff
changeset
|
401 |
(parse_args >> (fn args => Toplevel.theory (quickcheck_params_cmd args))); |
28309 | 402 |
|
36960
01594f816e3a
prefer structure Keyword, Parse, Parse_Spec, Outer_Syntax;
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diff
changeset
|
403 |
val _ = |
01594f816e3a
prefer structure Keyword, Parse, Parse_Spec, Outer_Syntax;
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diff
changeset
|
404 |
Outer_Syntax.improper_command "quickcheck" "try to find counterexample for subgoal" Keyword.diag |
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prefer structure Keyword, Parse, Parse_Spec, Outer_Syntax;
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changeset
|
405 |
(parse_args -- Scan.optional Parse.nat 1 |
01594f816e3a
prefer structure Keyword, Parse, Parse_Spec, Outer_Syntax;
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diff
changeset
|
406 |
>> (fn (args, i) => Toplevel.no_timing o Toplevel.keep (quickcheck_cmd args i))); |
28309 | 407 |
|
28315 | 408 |
end; |
28309 | 409 |
|
410 |
||
28315 | 411 |
val auto_quickcheck = Quickcheck.auto; |