author | wenzelm |
Thu, 20 Feb 2014 19:44:48 +0100 | |
changeset 55629 | 50f155005ea0 |
parent 55627 | 95c8ef02f04b |
child 55630 | 47286c847749 |
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 quickcheckN: string |
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val genuineN: string |
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val noneN: string |
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val unknownN: string |
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(*configuration*) |
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val batch_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 depth : 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 timeout : real Config.T |
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val timing : bool Config.T |
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val genuine_only : bool Config.T |
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val abort_potential : bool Config.T |
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val quiet : bool Config.T |
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val verbose : bool Config.T |
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val use_subtype : bool Config.T |
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val allow_function_inversion : bool 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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val tag : string Config.T |
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added option quickcheck_locale to allow different behaviours for handling locales in Quickcheck;
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val locale : string Config.T |
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val set_active_testers: string list -> Context.generic -> Context.generic |
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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 default_type : Proof.context -> typ list |
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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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(*quickcheck's result*) |
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datatype result = |
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Result of |
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{counterexample : (bool * (string * term) list) option, |
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evaluation_terms : (term * term) list option, |
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timings : (string * int) list, |
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reports : (int * report) list} |
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val empty_result : result |
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val found_counterexample : result -> bool |
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val add_timing : (string * int) -> result Unsynchronized.ref -> unit |
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val add_response : string list -> term list -> (bool * term list) option -> |
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result Unsynchronized.ref -> unit |
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val add_report : int -> report option -> result Unsynchronized.ref -> unit |
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val counterexample_of : result -> (bool * (string * term) list) option |
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val timings_of : result -> (string * int) list |
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(*registering testers & generators*) |
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type tester = |
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quickcheck fails with code generator errors only if one tester is invoked
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Proof.context -> bool -> (string * typ) list -> (term * term list) list -> result list |
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val add_tester : string * (bool Config.T * tester) -> Context.generic -> Context.generic |
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val add_batch_generator : |
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string * (Proof.context -> term list -> (int -> term list option) list) |
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-> Context.generic -> Context.generic |
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val add_batch_validator : |
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string * (Proof.context -> term list -> (int -> bool) list) |
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-> Context.generic -> Context.generic |
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(*basic operations*) |
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val message : Proof.context -> string -> unit |
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val verbose_message : Proof.context -> string -> unit |
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val limit : Time.time -> (bool * bool) -> (unit -> 'a) -> (unit -> 'a) -> unit -> 'a |
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outputing the potentially spurious counterexample and continue search
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val pretty_counterex : Proof.context -> bool -> |
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((bool * (string * term) list) * (term * term) list) option -> Pretty.T |
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(*testing terms and proof states*) |
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val mk_batch_validator : Proof.context -> term list -> (int -> bool) list option |
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val mk_batch_tester : Proof.context -> term list -> (int -> term list option) list option |
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val active_testers : Proof.context -> tester list |
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val test_terms : Proof.context -> bool * bool -> (string * typ) list -> |
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(term * term list) list -> result list option |
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val quickcheck: (string * string list) list -> int -> Proof.state -> |
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(bool * (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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val quickcheckN = "quickcheck"; |
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val genuineN = "genuine"; |
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val noneN = "none"; |
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val unknownN = "unknown"; |
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(* preferences *) |
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val _ = |
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ProofGeneral.preference_option ProofGeneral.category_tracing |
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NONE |
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@{option auto_quickcheck} |
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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, |
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raised_match_errors : int, |
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satisfied_assms : int list, |
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positive_concl_tests : int}; |
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(* Quickcheck Result *) |
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datatype result = Result of |
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{counterexample : (bool * (string * term) list) option, |
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evaluation_terms : (term * term) list option, |
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timings : (string * int) list, |
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reports : (int * report) list}; |
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val empty_result = |
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Result {counterexample = NONE, evaluation_terms = NONE, timings = [], reports = []}; |
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fun counterexample_of (Result r) = #counterexample r; |
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fun found_counterexample (Result r) = is_some (#counterexample r); |
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fun response_of (Result r) = |
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(case (#counterexample r, #evaluation_terms r) of |
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(SOME ts, SOME evals) => SOME (ts, evals) |
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| (NONE, NONE) => NONE); |
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fun timings_of (Result r) = #timings r; |
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fun set_response names eval_terms (SOME (genuine, ts)) (Result r) = |
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let |
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val (ts1, ts2) = chop (length names) ts |
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val (eval_terms', _) = chop (length ts2) eval_terms |
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in |
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Result {counterexample = SOME (genuine, (names ~~ ts1)), |
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evaluation_terms = SOME (eval_terms' ~~ ts2), |
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timings = #timings r, reports = #reports r} |
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end |
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| set_response _ _ NONE result = result; |
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fun cons_timing timing (Result r) = |
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Result {counterexample = #counterexample r, evaluation_terms = #evaluation_terms r, |
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timings = cons timing (#timings r), reports = #reports r}; |
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fun cons_report size (SOME report) (Result r) = |
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Result {counterexample = #counterexample r, evaluation_terms = #evaluation_terms r, |
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timings = #timings r, reports = cons (size, report) (#reports r)} |
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| cons_report _ NONE result = result; |
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fun add_timing timing result_ref = |
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Unsynchronized.change result_ref (cons_timing timing); |
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fun add_report size report result_ref = |
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Unsynchronized.change result_ref (cons_report size report); |
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fun add_response names eval_terms response result_ref = |
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Unsynchronized.change result_ref (set_response names eval_terms response); |
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(* expectation *) |
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166 |
|
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datatype expectation = No_Expectation | No_Counterexample | Counterexample; |
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168 |
|
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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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171 |
|
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(*quickcheck configuration -- default parameters, test generators*) |
55627 | 173 |
val batch_tester = Attrib.setup_config_string @{binding quickcheck_batch_tester} (K ""); |
174 |
val size = Attrib.setup_config_int @{binding quickcheck_size} (K 10); |
|
175 |
val iterations = Attrib.setup_config_int @{binding quickcheck_iterations} (K 100); |
|
176 |
val depth = Attrib.setup_config_int @{binding quickcheck_depth} (K 10); |
|
45213 | 177 |
|
55627 | 178 |
val no_assms = Attrib.setup_config_bool @{binding quickcheck_no_assms} (K false); |
179 |
val locale = Attrib.setup_config_string @{binding quickcheck_locale} (K "interpret expand"); |
|
180 |
val report = Attrib.setup_config_bool @{binding quickcheck_report} (K true); |
|
181 |
val timing = Attrib.setup_config_bool @{binding quickcheck_timing} (K false); |
|
182 |
val timeout = Attrib.setup_config_real @{binding quickcheck_timeout} (K 30.0); |
|
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|
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val genuine_only = Attrib.setup_config_bool @{binding quickcheck_genuine_only} (K false); |
185 |
val abort_potential = Attrib.setup_config_bool @{binding quickcheck_abort_potential} (K false); |
|
46565 | 186 |
|
55627 | 187 |
val quiet = Attrib.setup_config_bool @{binding quickcheck_quiet} (K false); |
188 |
val verbose = Attrib.setup_config_bool @{binding quickcheck_verbose} (K false); |
|
189 |
val tag = Attrib.setup_config_string @{binding quickcheck_tag} (K ""); |
|
46565 | 190 |
|
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val use_subtype = Attrib.setup_config_bool @{binding quickcheck_use_subtype} (K false); |
46565 | 192 |
|
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193 |
val allow_function_inversion = |
55627 | 194 |
Attrib.setup_config_bool @{binding quickcheck_allow_function_inversion} (K false); |
195 |
val finite_types = Attrib.setup_config_bool @{binding quickcheck_finite_types} (K true); |
|
196 |
val finite_type_size = Attrib.setup_config_int @{binding quickcheck_finite_type_size} (K 3); |
|
40646 | 197 |
|
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198 |
datatype test_params = Test_Params of |
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{default_type: typ list, expect : expectation}; |
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200 |
|
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|
201 |
fun dest_test_params (Test_Params {default_type, expect}) = (default_type, expect); |
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202 |
|
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fun make_test_params (default_type, expect) = |
204 |
Test_Params {default_type = default_type, expect = expect}; |
|
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|
205 |
|
41517 | 206 |
fun map_test_params' f (Test_Params {default_type, expect}) = |
207 |
make_test_params (f (default_type, expect)); |
|
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|
208 |
|
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209 |
fun merge_test_params |
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210 |
(Test_Params {default_type = default_type1, expect = expect1}, |
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211 |
Test_Params {default_type = default_type2, expect = expect2}) = |
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212 |
make_test_params |
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(merge (op =) (default_type1, default_type2), merge_expectation (expect1, expect2)); |
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|
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215 |
type tester = |
51302 | 216 |
Proof.context -> bool -> (string * typ) list -> (term * term list) list -> result list; |
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217 |
|
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structure Data = Generic_Data |
33522 | 219 |
( |
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type T = |
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((string * (bool Config.T * tester)) list * |
222 |
((string * (Proof.context -> term list -> (int -> term list option) list)) list * |
|
223 |
((string * (Proof.context -> term list -> (int -> bool) list)) list))) * |
|
224 |
test_params; |
|
43877 | 225 |
val empty = (([], ([], [])), Test_Params {default_type = [], expect = No_Expectation}); |
28256 | 226 |
val extend = I; |
55627 | 227 |
fun merge |
228 |
(((testers1, (batch_generators1, batch_validators1)), params1), |
|
43877 | 229 |
((testers2, (batch_generators2, batch_validators2)), params2)) : T = |
230 |
((AList.merge (op =) (K true) (testers1, testers2), |
|
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|
231 |
(AList.merge (op =) (K true) (batch_generators1, batch_generators2), |
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|
232 |
AList.merge (op =) (K true) (batch_validators1, batch_validators2))), |
28309 | 233 |
merge_test_params (params1, params2)); |
33522 | 234 |
); |
28256 | 235 |
|
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|
236 |
val test_params_of = snd o Data.get o Context.Proof; |
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|
237 |
|
55627 | 238 |
val default_type = fst o dest_test_params o test_params_of; |
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|
239 |
|
55627 | 240 |
val expect = snd o dest_test_params o test_params_of; |
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|
241 |
|
55627 | 242 |
val map_test_params = Data.map o apsnd o map_test_params'; |
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|
243 |
|
43877 | 244 |
val add_tester = Data.map o apfst o apfst o AList.update (op =); |
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|
245 |
|
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|
246 |
val add_batch_generator = Data.map o apfst o apsnd o apfst o AList.update (op =); |
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|
247 |
|
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|
248 |
val add_batch_validator = Data.map o apfst o apsnd o apsnd o AList.update (op =); |
28309 | 249 |
|
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|
250 |
fun active_testers ctxt = |
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|
251 |
let |
55627 | 252 |
val testers = map snd (fst (fst (Data.get (Context.Proof ctxt)))); |
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|
253 |
in |
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|
254 |
map snd (filter (fn (active, _) => Config.get ctxt active) testers) |
55627 | 255 |
end; |
51302 | 256 |
|
55629 | 257 |
fun set_active_testers [] context = context |
258 |
| set_active_testers testers context = |
|
51302 | 259 |
let |
55629 | 260 |
val registered_testers = fst (fst (Data.get context)); |
51302 | 261 |
in |
262 |
fold (fn (name, (config, _)) => Config.put_generic config (member (op =) testers name)) |
|
55629 | 263 |
registered_testers context |
51302 | 264 |
end; |
265 |
||
266 |
||
28315 | 267 |
(* generating tests *) |
268 |
||
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|
269 |
fun gen_mk_tester lookup ctxt v = |
28309 | 270 |
let |
43882
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|
271 |
val name = Config.get ctxt batch_tester |
51302 | 272 |
val tester = |
273 |
(case lookup ctxt name of |
|
274 |
NONE => error ("No such quickcheck batch-tester: " ^ name) |
|
275 |
| SOME tester => tester ctxt); |
|
40235
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use Exn.interruptible_capture to keep user-code interruptible (Exn.capture not immediately followed by Exn.release here);
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|
276 |
in |
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changeset
|
277 |
if Config.get ctxt quiet then |
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|
278 |
try tester v |
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|
279 |
else |
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|
280 |
let (* FIXME !?!? *) |
41862
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|
281 |
val tester = Exn.interruptible_capture tester v |
51302 | 282 |
in |
283 |
(case Exn.get_res tester of |
|
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|
284 |
NONE => SOME (Exn.release tester) |
51302 | 285 |
| SOME tester => SOME tester) |
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|
286 |
end |
51302 | 287 |
end; |
43882
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changeset
|
288 |
|
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|
289 |
val mk_batch_tester = |
55627 | 290 |
gen_mk_tester (AList.lookup (op =) o fst o snd o fst o Data.get o Context.Proof); |
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|
291 |
val mk_batch_validator = |
55627 | 292 |
gen_mk_tester (AList.lookup (op =) o snd o snd o fst o Data.get o Context.Proof); |
51302 | 293 |
|
294 |
||
28315 | 295 |
(* testing propositions *) |
296 |
||
43876 | 297 |
type compile_generator = |
51302 | 298 |
Proof.context -> (term * term list) list -> int list -> term list option * report option; |
43876 | 299 |
|
43585 | 300 |
fun limit timeout (limit_time, is_interactive) f exc () = |
41754
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quickcheck can be invoked with its internal timelimit or without
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changeset
|
301 |
if limit_time then |
55627 | 302 |
TimeLimit.timeLimit timeout f () |
303 |
handle TimeLimit.TimeOut => |
|
304 |
if is_interactive then exc () else raise TimeLimit.TimeOut |
|
305 |
else f (); |
|
51302 | 306 |
|
307 |
fun message ctxt s = if Config.get ctxt quiet then () else Output.urgent_message s; |
|
41753
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diff
changeset
|
308 |
|
51302 | 309 |
fun verbose_message ctxt s = |
310 |
if not (Config.get ctxt quiet) andalso Config.get ctxt verbose |
|
311 |
then Output.urgent_message s else (); |
|
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changeset
|
312 |
|
45159
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moving some common functions from quickcheck to the more HOL-specific quickcheck_common; renamed inductive_SML's configurations to more canonical names; adds automatically left and right hand sides of equations as evaluation terms
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changeset
|
313 |
fun test_terms ctxt (limit_time, is_interactive) insts goals = |
51302 | 314 |
(case active_testers ctxt of |
43881
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changeset
|
315 |
[] => error "No active testers for quickcheck" |
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changeset
|
316 |
| testers => |
55627 | 317 |
limit (seconds (Config.get ctxt timeout)) (limit_time, is_interactive) |
318 |
(fn () => |
|
319 |
Par_List.get_some (fn tester => |
|
320 |
tester ctxt (length testers > 1) insts goals |> |
|
321 |
(fn result => if exists found_counterexample result then SOME result else NONE)) |
|
322 |
testers) |
|
323 |
(fn () => (message ctxt "Quickcheck ran out of time"; NONE)) ()); |
|
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changeset
|
324 |
|
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changeset
|
325 |
fun all_axioms_of ctxt t = |
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changeset
|
326 |
let |
51302 | 327 |
val intros = Locale.get_intros ctxt; |
328 |
val unfolds = Locale.get_unfolds ctxt; |
|
329 |
fun retrieve_prems thms t = |
|
330 |
(case filter (fn th => Term.could_unify (Thm.concl_of th, t)) thms of |
|
331 |
[] => NONE |
|
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changeset
|
332 |
| [th] => |
51302 | 333 |
let |
334 |
val (tyenv, tenv) = |
|
335 |
Pattern.match (Proof_Context.theory_of ctxt) |
|
336 |
(Thm.concl_of th, t) (Vartab.empty, Vartab.empty) |
|
337 |
in SOME (map (Envir.subst_term (tyenv, tenv)) (Thm.prems_of th)) end); |
|
46759
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changeset
|
338 |
fun all t = |
51302 | 339 |
(case retrieve_prems intros t of |
46759
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diff
changeset
|
340 |
NONE => retrieve_prems unfolds t |
51302 | 341 |
| SOME ts => SOME (maps (fn t => the_default [t] (all t)) ts)); |
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changeset
|
342 |
in |
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changeset
|
343 |
all t |
51302 | 344 |
end; |
46759
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diff
changeset
|
345 |
|
47348
9a82999ebbd6
added option quickcheck_locale to allow different behaviours for handling locales in Quickcheck;
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diff
changeset
|
346 |
fun locale_config_of s = |
9a82999ebbd6
added option quickcheck_locale to allow different behaviours for handling locales in Quickcheck;
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diff
changeset
|
347 |
let |
51302 | 348 |
val cs = space_explode " " s; |
47348
9a82999ebbd6
added option quickcheck_locale to allow different behaviours for handling locales in Quickcheck;
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parents:
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diff
changeset
|
349 |
in |
9a82999ebbd6
added option quickcheck_locale to allow different behaviours for handling locales in Quickcheck;
bulwahn
parents:
46961
diff
changeset
|
350 |
if forall (fn c => c = "expand" orelse c = "interpret") cs then cs |
55627 | 351 |
else |
352 |
(warning ("Invalid quickcheck_locale setting: falling back to the default setting."); |
|
47348
9a82999ebbd6
added option quickcheck_locale to allow different behaviours for handling locales in Quickcheck;
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diff
changeset
|
353 |
["interpret", "expand"]) |
51302 | 354 |
end; |
47348
9a82999ebbd6
added option quickcheck_locale to allow different behaviours for handling locales in Quickcheck;
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parents:
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diff
changeset
|
355 |
|
42026
da9b58f1db42
adding option of evaluating terms after invocation in quickcheck
bulwahn
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42025
diff
changeset
|
356 |
fun test_goal (time_limit, is_interactive) (insts, eval_terms) i state = |
40648
1598ec648b0d
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changeset
|
357 |
let |
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diff
changeset
|
358 |
val lthy = Proof.context_of state; |
1598ec648b0d
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diff
changeset
|
359 |
val thy = Proof.theory_of state; |
45765
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diff
changeset
|
360 |
val _ = message lthy "Quickchecking..." |
40648
1598ec648b0d
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bulwahn
parents:
40647
diff
changeset
|
361 |
fun strip (Const ("all", _) $ Abs (_, _, t)) = strip t |
1598ec648b0d
splitting test_goal function in two functions; exporting new configurations in quickcheck; iterations depend on generator_name in quickcheck
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parents:
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diff
changeset
|
362 |
| strip t = t; |
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
|
363 |
val {goal = st, ...} = Proof.raw_goal state; |
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
|
364 |
val (gi, frees) = Logic.goal_params (prop_of st) i; |
51302 | 365 |
val some_locale = |
366 |
(case (Option.map #target o Named_Target.peek) lthy of |
|
367 |
NONE => NONE |
|
40648
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
|
368 |
| SOME "" => NONE |
51302 | 369 |
| SOME locale => SOME locale); |
370 |
val assms = |
|
371 |
if Config.get lthy no_assms then [] |
|
372 |
else |
|
373 |
(case some_locale of |
|
374 |
NONE => Assumption.all_assms_of lthy |
|
375 |
| SOME locale => Assumption.local_assms_of lthy (Locale.init locale thy)); |
|
40648
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
|
376 |
val proto_goal = Logic.list_implies (map Thm.term_of assms, subst_bounds (frees, strip gi)); |
51302 | 377 |
fun axioms_of locale = |
378 |
(case fst (Locale.specification_of thy locale) of |
|
46759
a6ea1c68fa52
collecting all axioms in a locale context in quickcheck;
bulwahn
parents:
46565
diff
changeset
|
379 |
NONE => [] |
51302 | 380 |
| SOME t => the_default [] (all_axioms_of lthy t)); |
55627 | 381 |
val config = locale_config_of (Config.get lthy locale); |
382 |
val goals = |
|
383 |
(case some_locale of |
|
384 |
NONE => [(proto_goal, eval_terms)] |
|
385 |
| SOME locale => |
|
386 |
fold (fn c => |
|
387 |
if c = "expand" then |
|
388 |
cons (Logic.list_implies (axioms_of locale, proto_goal), eval_terms) |
|
389 |
else if c = "interpret" then |
|
390 |
append (map (fn (_, phi) => |
|
391 |
(Morphism.term phi proto_goal, map (Morphism.term phi) eval_terms)) |
|
392 |
(Locale.registrations_of (Context.Theory thy) (* FIXME !? *) locale)) |
|
393 |
else I) config []); |
|
51302 | 394 |
val _ = |
395 |
verbose_message lthy |
|
396 |
(Pretty.string_of |
|
397 |
(Pretty.big_list ("Checking goals: ") (map (Syntax.pretty_term lthy o fst) goals))); |
|
40648
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
|
398 |
in |
45159
3f1d1ce024cb
moving some common functions from quickcheck to the more HOL-specific quickcheck_common; renamed inductive_SML's configurations to more canonical names; adds automatically left and right hand sides of equations as evaluation terms
bulwahn
parents:
43915
diff
changeset
|
399 |
test_terms lthy (time_limit, is_interactive) insts goals |
51302 | 400 |
end; |
401 |
||
40648
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
|
402 |
|
37912 | 403 |
(* pretty printing *) |
28315 | 404 |
|
51302 | 405 |
fun tool_name auto = (if auto then "Auto " else "") ^ "Quickcheck"; |
40225 | 406 |
|
46863 | 407 |
fun pretty_counterex ctxt auto NONE = |
55627 | 408 |
Pretty.str (tool_name auto ^ " found no counterexample." ^ Config.get ctxt tag) |
45730
6bd0acefaedb
outputing if counterexample is potentially spurious or not
bulwahn
parents:
45727
diff
changeset
|
409 |
| pretty_counterex ctxt auto (SOME ((genuine, cex), eval_terms)) = |
52694 | 410 |
(Pretty.text_fold o Pretty.fbreaks) |
55627 | 411 |
(Pretty.str (tool_name auto ^ " found a " ^ |
52694 | 412 |
(if genuine then "counterexample:" |
413 |
else "potentially spurious counterexample due to underspecified functions:") ^ |
|
55627 | 414 |
Config.get ctxt tag) :: |
415 |
Pretty.str "" :: |
|
416 |
map (fn (s, t) => |
|
52694 | 417 |
Pretty.block [Pretty.str (s ^ " ="), Pretty.brk 1, Syntax.pretty_term ctxt t]) (rev cex) @ |
55627 | 418 |
(if null eval_terms then [] |
419 |
else |
|
420 |
Pretty.str "" :: Pretty.str "Evaluated terms:" :: |
|
421 |
map (fn (t, u) => |
|
422 |
Pretty.block [Syntax.pretty_term ctxt t, Pretty.str " =", Pretty.brk 1, |
|
423 |
Syntax.pretty_term ctxt u]) (rev eval_terms))); |
|
28315 | 424 |
|
51302 | 425 |
|
30980 | 426 |
(* Isar commands *) |
28315 | 427 |
|
51302 | 428 |
fun read_nat s = |
55627 | 429 |
(case Library.read_int (Symbol.explode s) of |
51302 | 430 |
(k, []) => |
431 |
if k >= 0 then k |
|
28336 | 432 |
else error ("Not a natural number: " ^ s) |
55627 | 433 |
| _ => error ("Not a natural number: " ^ s)); |
37909
583543ad6ad1
changed default types to a list of types; extended quickcheck parameters to be a list of values to parse a list of default types
bulwahn
parents:
36960
diff
changeset
|
434 |
|
34128
8650a073dd9b
made Quickcheck take structured proof assumptions into account (like Refute and Nitpick) by default;
blanchet
parents:
33583
diff
changeset
|
435 |
fun read_bool "false" = false |
8650a073dd9b
made Quickcheck take structured proof assumptions into account (like Refute and Nitpick) by default;
blanchet
parents:
33583
diff
changeset
|
436 |
| read_bool "true" = true |
51302 | 437 |
| read_bool s = error ("Not a Boolean value: " ^ s); |
28315 | 438 |
|
40366
a2866dbfbe6b
changing timeout to real value; handling Interrupt and Timeout more like nitpick does
bulwahn
parents:
40253
diff
changeset
|
439 |
fun read_real s = |
55627 | 440 |
(case Real.fromString s of |
40366
a2866dbfbe6b
changing timeout to real value; handling Interrupt and Timeout more like nitpick does
bulwahn
parents:
40253
diff
changeset
|
441 |
SOME s => s |
51302 | 442 |
| NONE => error ("Not a real number: " ^ s)); |
40366
a2866dbfbe6b
changing timeout to real value; handling Interrupt and Timeout more like nitpick does
bulwahn
parents:
40253
diff
changeset
|
443 |
|
37929
22e0797857e6
adding checking of expected result for the tool quickcheck; annotated a few quickcheck examples
bulwahn
parents:
37913
diff
changeset
|
444 |
fun read_expectation "no_expectation" = No_Expectation |
41517 | 445 |
| read_expectation "no_counterexample" = No_Counterexample |
37929
22e0797857e6
adding checking of expected result for the tool quickcheck; annotated a few quickcheck examples
bulwahn
parents:
37913
diff
changeset
|
446 |
| read_expectation "counterexample" = Counterexample |
51302 | 447 |
| read_expectation s = error ("Not an expectation value: " ^ s); |
37929
22e0797857e6
adding checking of expected result for the tool quickcheck; annotated a few quickcheck examples
bulwahn
parents:
37913
diff
changeset
|
448 |
|
55627 | 449 |
fun valid_tester_name genctxt name = |
450 |
AList.defined (op =) (fst (fst (Data.get genctxt))) name; |
|
51302 | 451 |
|
43881
cabe74eab19a
changing parser in quickcheck to activate and deactivate the testers
bulwahn
parents:
43879
diff
changeset
|
452 |
fun parse_tester name (testers, genctxt) = |
40912
1108529100ce
checking if parameter is name of a tester which allows e.g. quickcheck[random]
bulwahn
parents:
40911
diff
changeset
|
453 |
if valid_tester_name genctxt name then |
51302 | 454 |
(insert (op =) name testers, genctxt) |
55627 | 455 |
else error ("Unknown tester: " ^ name); |
40912
1108529100ce
checking if parameter is name of a tester which allows e.g. quickcheck[random]
bulwahn
parents:
40911
diff
changeset
|
456 |
|
43881
cabe74eab19a
changing parser in quickcheck to activate and deactivate the testers
bulwahn
parents:
43879
diff
changeset
|
457 |
fun parse_test_param ("tester", args) = fold parse_tester args |
cabe74eab19a
changing parser in quickcheck to activate and deactivate the testers
bulwahn
parents:
43879
diff
changeset
|
458 |
| parse_test_param ("size", [arg]) = apsnd (Config.put_generic size (read_nat arg)) |
cabe74eab19a
changing parser in quickcheck to activate and deactivate the testers
bulwahn
parents:
43879
diff
changeset
|
459 |
| parse_test_param ("iterations", [arg]) = apsnd (Config.put_generic iterations (read_nat arg)) |
51302 | 460 |
| parse_test_param ("depth", [arg]) = apsnd (Config.put_generic depth (read_nat arg)) |
55627 | 461 |
| parse_test_param ("default_type", arg) = |
55629 | 462 |
(fn (testers, context) => |
55627 | 463 |
(testers, map_test_params |
55629 | 464 |
(apfst (K (map (Proof_Context.read_typ (Context.proof_of context)) arg))) context)) |
43881
cabe74eab19a
changing parser in quickcheck to activate and deactivate the testers
bulwahn
parents:
43879
diff
changeset
|
465 |
| parse_test_param ("no_assms", [arg]) = apsnd (Config.put_generic no_assms (read_bool arg)) |
55627 | 466 |
| parse_test_param ("expect", [arg]) = apsnd (map_test_params (apsnd (K (read_expectation arg)))) |
43881
cabe74eab19a
changing parser in quickcheck to activate and deactivate the testers
bulwahn
parents:
43879
diff
changeset
|
467 |
| parse_test_param ("report", [arg]) = apsnd (Config.put_generic report (read_bool arg)) |
55627 | 468 |
| parse_test_param ("genuine_only", [arg]) = |
469 |
apsnd (Config.put_generic genuine_only (read_bool arg)) |
|
470 |
| parse_test_param ("abort_potential", [arg]) = |
|
471 |
apsnd (Config.put_generic abort_potential (read_bool arg)) |
|
43881
cabe74eab19a
changing parser in quickcheck to activate and deactivate the testers
bulwahn
parents:
43879
diff
changeset
|
472 |
| parse_test_param ("quiet", [arg]) = apsnd (Config.put_generic quiet (read_bool arg)) |
45764 | 473 |
| parse_test_param ("verbose", [arg]) = apsnd (Config.put_generic verbose (read_bool arg)) |
46863 | 474 |
| parse_test_param ("tag", [arg]) = apsnd (Config.put_generic tag arg) |
55627 | 475 |
| parse_test_param ("use_subtype", [arg]) = |
476 |
apsnd (Config.put_generic use_subtype (read_bool arg)) |
|
477 |
| parse_test_param ("timeout", [arg]) = |
|
478 |
apsnd (Config.put_generic timeout (read_real arg)) |
|
479 |
| parse_test_param ("finite_types", [arg]) = |
|
480 |
apsnd (Config.put_generic finite_types (read_bool arg)) |
|
45449
eeffd04cd899
adding option allow_function_inversion to quickcheck options
bulwahn
parents:
45419
diff
changeset
|
481 |
| parse_test_param ("allow_function_inversion", [arg]) = |
eeffd04cd899
adding option allow_function_inversion to quickcheck options
bulwahn
parents:
45419
diff
changeset
|
482 |
apsnd (Config.put_generic allow_function_inversion (read_bool arg)) |
41517 | 483 |
| parse_test_param ("finite_type_size", [arg]) = |
55627 | 484 |
apsnd (Config.put_generic finite_type_size (read_nat arg)) |
51302 | 485 |
| parse_test_param (name, _) = |
486 |
(fn (testers, genctxt) => |
|
487 |
if valid_tester_name genctxt name then |
|
488 |
(insert (op =) name testers, genctxt) |
|
489 |
else error ("Unknown tester or test parameter: " ^ name)); |
|
28315 | 490 |
|
43881
cabe74eab19a
changing parser in quickcheck to activate and deactivate the testers
bulwahn
parents:
43879
diff
changeset
|
491 |
fun proof_map_result f = apsnd Context.the_proof o f o Context.Proof; |
cabe74eab19a
changing parser in quickcheck to activate and deactivate the testers
bulwahn
parents:
43879
diff
changeset
|
492 |
|
cabe74eab19a
changing parser in quickcheck to activate and deactivate the testers
bulwahn
parents:
43879
diff
changeset
|
493 |
fun parse_test_param_inst (name, arg) ((insts, eval_terms), (testers, ctxt)) = |
51302 | 494 |
(case try (Proof_Context.read_typ ctxt) name of |
495 |
SOME (TFree (v, _)) => |
|
496 |
((AList.update (op =) (v, Proof_Context.read_typ ctxt (the_single arg)) insts, eval_terms), |
|
497 |
(testers, ctxt)) |
|
498 |
| NONE => |
|
499 |
(case name of |
|
500 |
"eval" => ((insts, eval_terms @ map (Syntax.read_term ctxt) arg), (testers, ctxt)) |
|
501 |
| _ => |
|
502 |
((insts, eval_terms), |
|
55629 | 503 |
proof_map_result (fn context => parse_test_param (name, arg) (testers, context)) ctxt))); |
28309 | 504 |
|
55627 | 505 |
fun quickcheck_params_cmd args = |
506 |
Context.theory_map |
|
55629 | 507 |
(fn context => uncurry set_active_testers (fold parse_test_param args ([], context))); |
41517 | 508 |
|
42088
8d00484551fe
making quickcheck's result value more formal; allowing more result information to be returned after timeout; adding output of timing information in quickcheck
bulwahn
parents:
42087
diff
changeset
|
509 |
fun check_expectation state results = |
51302 | 510 |
if is_some results andalso expect (Proof.context_of state) = No_Counterexample then |
511 |
error "quickcheck expected to find no counterexample but found one" |
|
512 |
else if is_none results andalso expect (Proof.context_of state) = Counterexample then |
|
513 |
error "quickcheck expected to find a counterexample but did not find one" |
|
514 |
else (); |
|
42088
8d00484551fe
making quickcheck's result value more formal; allowing more result information to be returned after timeout; adding output of timing information in quickcheck
bulwahn
parents:
42087
diff
changeset
|
515 |
|
35378
95d0e3adf38e
added basic reporting of test cases to quickcheck
bulwahn
parents:
35324
diff
changeset
|
516 |
fun gen_quickcheck args i state = |
40644
0850a2a16dce
changed old-style quickcheck configurations to new Config.T configurations
bulwahn
parents:
40643
diff
changeset
|
517 |
state |
43881
cabe74eab19a
changing parser in quickcheck to activate and deactivate the testers
bulwahn
parents:
43879
diff
changeset
|
518 |
|> Proof.map_context_result (fn ctxt => |
cabe74eab19a
changing parser in quickcheck to activate and deactivate the testers
bulwahn
parents:
43879
diff
changeset
|
519 |
apsnd (fn (testers, ctxt) => Context.proof_map (set_active_testers testers) ctxt) |
cabe74eab19a
changing parser in quickcheck to activate and deactivate the testers
bulwahn
parents:
43879
diff
changeset
|
520 |
(fold parse_test_param_inst args (([], []), ([], ctxt)))) |
55627 | 521 |
|> (fn ((insts, eval_terms), state') => |
522 |
test_goal (true, true) (insts, eval_terms) i state' |
|
523 |
|> tap (check_expectation state') |
|
524 |
|> rpair state'); |
|
32297 | 525 |
|
43879
c8308a8faf9f
enabling parallel execution of testers but removing more informative quickcheck output
bulwahn
parents:
43878
diff
changeset
|
526 |
fun quickcheck args i state = |
51302 | 527 |
Option.map (the o get_first counterexample_of) (fst (gen_quickcheck args i state)); |
35378
95d0e3adf38e
added basic reporting of test cases to quickcheck
bulwahn
parents:
35324
diff
changeset
|
528 |
|
32297 | 529 |
fun quickcheck_cmd args i state = |
35378
95d0e3adf38e
added basic reporting of test cases to quickcheck
bulwahn
parents:
35324
diff
changeset
|
530 |
gen_quickcheck args i (Toplevel.proof_of state) |
46863 | 531 |
|> apfst (Option.map (the o get_first response_of)) |
51302 | 532 |
|> (fn (r, state) => |
533 |
Output.urgent_message (Pretty.string_of |
|
534 |
(pretty_counterex (Proof.context_of state) false r))); |
|
28309 | 535 |
|
41517 | 536 |
val parse_arg = |
537 |
Parse.name -- |
|
46949 | 538 |
(Scan.optional (@{keyword "="} |-- |
41517 | 539 |
(((Parse.name || Parse.float_number) >> single) || |
46949 | 540 |
(@{keyword "["} |-- Parse.list1 Parse.name --| @{keyword "]"}))) ["true"]); |
28309 | 541 |
|
41517 | 542 |
val parse_args = |
46949 | 543 |
@{keyword "["} |-- Parse.list1 parse_arg --| @{keyword "]"} || Scan.succeed []; |
28336 | 544 |
|
36960
01594f816e3a
prefer structure Keyword, Parse, Parse_Spec, Outer_Syntax;
wenzelm
parents:
36610
diff
changeset
|
545 |
val _ = |
46961
5c6955f487e5
outer syntax command definitions based on formal command_spec derived from theory header declarations;
wenzelm
parents:
46949
diff
changeset
|
546 |
Outer_Syntax.command @{command_spec "quickcheck_params"} "set parameters for random testing" |
36960
01594f816e3a
prefer structure Keyword, Parse, Parse_Spec, Outer_Syntax;
wenzelm
parents:
36610
diff
changeset
|
547 |
(parse_args >> (fn args => Toplevel.theory (quickcheck_params_cmd args))); |
28309 | 548 |
|
36960
01594f816e3a
prefer structure Keyword, Parse, Parse_Spec, Outer_Syntax;
wenzelm
parents:
36610
diff
changeset
|
549 |
val _ = |
46961
5c6955f487e5
outer syntax command definitions based on formal command_spec derived from theory header declarations;
wenzelm
parents:
46949
diff
changeset
|
550 |
Outer_Syntax.improper_command @{command_spec "quickcheck"} |
5c6955f487e5
outer syntax command definitions based on formal command_spec derived from theory header declarations;
wenzelm
parents:
46949
diff
changeset
|
551 |
"try to find counterexample for subgoal" |
51557
4e4b56b7a3a5
more robust access Toplevel.proof_of -- prefer warning via Toplevel.unknown_proof over hard crash (notably for skipped proofs);
wenzelm
parents:
51302
diff
changeset
|
552 |
(parse_args -- Scan.optional Parse.nat 1 >> (fn (args, i) => |
51658
21c10672633b
discontinued Toplevel.no_timing complication -- also recovers timing of diagnostic commands, e.g. 'find_theorems';
wenzelm
parents:
51557
diff
changeset
|
553 |
Toplevel.unknown_proof o Toplevel.keep (quickcheck_cmd args i))); |
28309 | 554 |
|
51302 | 555 |
|
43020
abb5d1f907e4
added "try" command, to launch Solve Direct, Quickcheck, Nitpick, Sledgehammer, and Try Methods
blanchet
parents:
43018
diff
changeset
|
556 |
(* automatic testing *) |
abb5d1f907e4
added "try" command, to launch Solve Direct, Quickcheck, Nitpick, Sledgehammer, and Try Methods
blanchet
parents:
43018
diff
changeset
|
557 |
|
abb5d1f907e4
added "try" command, to launch Solve Direct, Quickcheck, Nitpick, Sledgehammer, and Try Methods
blanchet
parents:
43018
diff
changeset
|
558 |
fun try_quickcheck auto state = |
abb5d1f907e4
added "try" command, to launch Solve Direct, Quickcheck, Nitpick, Sledgehammer, and Try Methods
blanchet
parents:
43018
diff
changeset
|
559 |
let |
abb5d1f907e4
added "try" command, to launch Solve Direct, Quickcheck, Nitpick, Sledgehammer, and Try Methods
blanchet
parents:
43018
diff
changeset
|
560 |
val ctxt = Proof.context_of state; |
abb5d1f907e4
added "try" command, to launch Solve Direct, Quickcheck, Nitpick, Sledgehammer, and Try Methods
blanchet
parents:
43018
diff
changeset
|
561 |
val i = 1; |
abb5d1f907e4
added "try" command, to launch Solve Direct, Quickcheck, Nitpick, Sledgehammer, and Try Methods
blanchet
parents:
43018
diff
changeset
|
562 |
val res = |
abb5d1f907e4
added "try" command, to launch Solve Direct, Quickcheck, Nitpick, Sledgehammer, and Try Methods
blanchet
parents:
43018
diff
changeset
|
563 |
state |
abb5d1f907e4
added "try" command, to launch Solve Direct, Quickcheck, Nitpick, Sledgehammer, and Try Methods
blanchet
parents:
43018
diff
changeset
|
564 |
|> Proof.map_context (Config.put report false #> Config.put quiet true) |
abb5d1f907e4
added "try" command, to launch Solve Direct, Quickcheck, Nitpick, Sledgehammer, and Try Methods
blanchet
parents:
43018
diff
changeset
|
565 |
|> try (test_goal (false, false) ([], []) i); |
abb5d1f907e4
added "try" command, to launch Solve Direct, Quickcheck, Nitpick, Sledgehammer, and Try Methods
blanchet
parents:
43018
diff
changeset
|
566 |
in |
51302 | 567 |
(case res of |
43020
abb5d1f907e4
added "try" command, to launch Solve Direct, Quickcheck, Nitpick, Sledgehammer, and Try Methods
blanchet
parents:
43018
diff
changeset
|
568 |
NONE => (unknownN, state) |
abb5d1f907e4
added "try" command, to launch Solve Direct, Quickcheck, Nitpick, Sledgehammer, and Try Methods
blanchet
parents:
43018
diff
changeset
|
569 |
| SOME results => |
abb5d1f907e4
added "try" command, to launch Solve Direct, Quickcheck, Nitpick, Sledgehammer, and Try Methods
blanchet
parents:
43018
diff
changeset
|
570 |
let |
43879
c8308a8faf9f
enabling parallel execution of testers but removing more informative quickcheck output
bulwahn
parents:
43878
diff
changeset
|
571 |
val msg = pretty_counterex ctxt auto (Option.map (the o get_first response_of) results) |
43020
abb5d1f907e4
added "try" command, to launch Solve Direct, Quickcheck, Nitpick, Sledgehammer, and Try Methods
blanchet
parents:
43018
diff
changeset
|
572 |
in |
43879
c8308a8faf9f
enabling parallel execution of testers but removing more informative quickcheck output
bulwahn
parents:
43878
diff
changeset
|
573 |
if is_some results then |
43020
abb5d1f907e4
added "try" command, to launch Solve Direct, Quickcheck, Nitpick, Sledgehammer, and Try Methods
blanchet
parents:
43018
diff
changeset
|
574 |
(genuineN, |
43029
3e060b1c844b
use helpers and tweak Quickcheck's priority to it comes second (to give Solve Direct slightly more time before another prover runs)
blanchet
parents:
43024
diff
changeset
|
575 |
state |
3e060b1c844b
use helpers and tweak Quickcheck's priority to it comes second (to give Solve Direct slightly more time before another prover runs)
blanchet
parents:
43024
diff
changeset
|
576 |
|> (if auto then |
52643
34c29356930e
more explicit Markup.information for messages produced by "auto" tools;
wenzelm
parents:
52641
diff
changeset
|
577 |
Proof.goal_message (K (Pretty.mark Markup.information msg)) |
43029
3e060b1c844b
use helpers and tweak Quickcheck's priority to it comes second (to give Solve Direct slightly more time before another prover runs)
blanchet
parents:
43024
diff
changeset
|
578 |
else |
3e060b1c844b
use helpers and tweak Quickcheck's priority to it comes second (to give Solve Direct slightly more time before another prover runs)
blanchet
parents:
43024
diff
changeset
|
579 |
tap (fn _ => Output.urgent_message (Pretty.string_of msg)))) |
43020
abb5d1f907e4
added "try" command, to launch Solve Direct, Quickcheck, Nitpick, Sledgehammer, and Try Methods
blanchet
parents:
43018
diff
changeset
|
580 |
else |
abb5d1f907e4
added "try" command, to launch Solve Direct, Quickcheck, Nitpick, Sledgehammer, and Try Methods
blanchet
parents:
43018
diff
changeset
|
581 |
(noneN, state) |
51302 | 582 |
end) |
43020
abb5d1f907e4
added "try" command, to launch Solve Direct, Quickcheck, Nitpick, Sledgehammer, and Try Methods
blanchet
parents:
43018
diff
changeset
|
583 |
end |
51302 | 584 |
|> `(fn (outcome_code, _) => outcome_code = genuineN); |
43020
abb5d1f907e4
added "try" command, to launch Solve Direct, Quickcheck, Nitpick, Sledgehammer, and Try Methods
blanchet
parents:
43018
diff
changeset
|
585 |
|
52641
c56b6fa636e8
hybrid "auto" tool setup, for TTY (within theory) and PIDE (global print function);
wenzelm
parents:
52639
diff
changeset
|
586 |
val _ = Try.tool_setup (quickcheckN, (20, @{option auto_quickcheck}, try_quickcheck)); |
43020
abb5d1f907e4
added "try" command, to launch Solve Direct, Quickcheck, Nitpick, Sledgehammer, and Try Methods
blanchet
parents:
43018
diff
changeset
|
587 |
|
28315 | 588 |
end; |
28309 | 589 |