author | wenzelm |
Tue, 09 Apr 2013 15:29:25 +0200 | |
changeset 51658 | 21c10672633b |
parent 51557 | 4e4b56b7a3a5 |
child 52006 | 9402221f77dd |
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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val setup: theory -> theory |
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(*configuration*) |
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val auto: bool Unsynchronized.ref |
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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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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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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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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 auto = 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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(* Quickcheck Result *) |
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datatype result = Result of |
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{ counterexample : (bool * (string * term) list) option, evaluation_terms : (term * term) list option, |
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timings : (string * int) list, 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) = 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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143 |
|
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|
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|
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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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148 |
|
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149 |
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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153 |
|
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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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156 |
|
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fun add_report size report result_ref = |
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158 |
Unsynchronized.change result_ref (cons_report size report) |
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159 |
|
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|
160 |
fun add_response names eval_terms response result_ref = |
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|
161 |
Unsynchronized.change result_ref (set_response names eval_terms response) |
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162 |
|
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|
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(* expectation *) |
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|
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datatype expectation = No_Expectation | No_Counterexample | Counterexample; |
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167 |
|
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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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|
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(*quickcheck configuration -- default parameters, test generators*) |
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val batch_tester = Attrib.setup_config_string @{binding quickcheck_batch_tester} (K "") |
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val size = Attrib.setup_config_int @{binding quickcheck_size} (K 10) |
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val iterations = Attrib.setup_config_int @{binding quickcheck_iterations} (K 100) |
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val depth = Attrib.setup_config_int @{binding quickcheck_depth} (K 10) |
176 |
||
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val no_assms = Attrib.setup_config_bool @{binding quickcheck_no_assms} (K false) |
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val locale = Attrib.setup_config_string @{binding quickcheck_locale} (K "interpret expand") |
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val report = Attrib.setup_config_bool @{binding quickcheck_report} (K true) |
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val timing = Attrib.setup_config_bool @{binding quickcheck_timing} (K false) |
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val timeout = Attrib.setup_config_real @{binding quickcheck_timeout} (K 30.0) |
182 |
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val genuine_only = Attrib.setup_config_bool @{binding quickcheck_genuine_only} (K false) |
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|
184 |
val abort_potential = Attrib.setup_config_bool @{binding quickcheck_abort_potential} (K false) |
46565 | 185 |
|
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val quiet = Attrib.setup_config_bool @{binding quickcheck_quiet} (K false) |
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val verbose = Attrib.setup_config_bool @{binding quickcheck_verbose} (K false) |
46863 | 188 |
val tag = Attrib.setup_config_string @{binding quickcheck_tag} (K "") |
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|
190 |
val use_subtype = Attrib.setup_config_bool @{binding quickcheck_use_subtype} (K false) |
|
191 |
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val allow_function_inversion = |
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Attrib.setup_config_bool @{binding quickcheck_allow_function_inversion} (K false) |
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val finite_types = Attrib.setup_config_bool @{binding quickcheck_finite_types} (K true) |
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val finite_type_size = Attrib.setup_config_int @{binding quickcheck_finite_type_size} (K 3) |
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|
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datatype test_params = Test_Params of |
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{default_type: typ list, expect : expectation}; |
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199 |
|
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fun dest_test_params (Test_Params {default_type, expect}) = (default_type, expect); |
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201 |
|
41517 | 202 |
fun make_test_params (default_type, expect) = |
203 |
Test_Params {default_type = default_type, expect = expect}; |
|
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204 |
|
41517 | 205 |
fun map_test_params' f (Test_Params {default_type, expect}) = |
206 |
make_test_params (f (default_type, expect)); |
|
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207 |
|
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208 |
fun merge_test_params |
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209 |
(Test_Params {default_type = default_type1, expect = expect1}, |
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Test_Params {default_type = default_type2, expect = expect2}) = |
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211 |
make_test_params |
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212 |
(merge (op =) (default_type1, default_type2), merge_expectation (expect1, expect2)); |
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|
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214 |
type tester = |
51302 | 215 |
Proof.context -> bool -> (string * typ) list -> (term * term list) list -> result list; |
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|
216 |
|
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217 |
structure Data = Generic_Data |
33522 | 218 |
( |
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219 |
type T = |
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((string * (bool Config.T * tester)) list |
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221 |
* ((string * (Proof.context -> term list -> (int -> term list option) list)) list |
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* ((string * (Proof.context -> term list -> (int -> bool) list)) list))) |
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223 |
* test_params; |
43877 | 224 |
val empty = (([], ([], [])), Test_Params {default_type = [], expect = No_Expectation}); |
28256 | 225 |
val extend = I; |
43877 | 226 |
fun merge (((testers1, (batch_generators1, batch_validators1)), params1), |
227 |
((testers2, (batch_generators2, batch_validators2)), params2)) : T = |
|
228 |
((AList.merge (op =) (K true) (testers1, testers2), |
|
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|
229 |
(AList.merge (op =) (K true) (batch_generators1, batch_generators2), |
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|
230 |
AList.merge (op =) (K true) (batch_validators1, batch_validators2))), |
28309 | 231 |
merge_test_params (params1, params2)); |
33522 | 232 |
); |
28256 | 233 |
|
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|
234 |
val test_params_of = snd o Data.get o Context.Proof; |
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|
235 |
|
40644
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|
236 |
val default_type = fst o dest_test_params o test_params_of |
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|
237 |
|
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|
238 |
val expect = snd o dest_test_params o test_params_of |
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|
239 |
|
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|
240 |
val map_test_params = Data.map o apsnd o map_test_params' |
39253
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|
241 |
|
43877 | 242 |
val add_tester = Data.map o apfst o apfst o AList.update (op =); |
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|
243 |
|
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|
244 |
val add_batch_generator = Data.map o apfst o apsnd o apfst o AList.update (op =); |
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|
245 |
|
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val add_batch_validator = Data.map o apfst o apsnd o apsnd o AList.update (op =); |
28309 | 247 |
|
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|
248 |
fun active_testers ctxt = |
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249 |
let |
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|
250 |
val testers = (map snd o fst o fst o Data.get o Context.Proof) ctxt |
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|
251 |
in |
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|
252 |
map snd (filter (fn (active, _) => Config.get ctxt active) testers) |
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|
253 |
end |
51302 | 254 |
|
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|
255 |
fun set_active_testers [] gen_ctxt = gen_ctxt |
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|
256 |
| set_active_testers testers gen_ctxt = |
51302 | 257 |
let |
258 |
val registered_testers = (fst o fst o Data.get) gen_ctxt |
|
259 |
in |
|
260 |
fold (fn (name, (config, _)) => Config.put_generic config (member (op =) testers name)) |
|
261 |
registered_testers gen_ctxt |
|
262 |
end; |
|
263 |
||
264 |
||
28315 | 265 |
(* generating tests *) |
266 |
||
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|
267 |
fun gen_mk_tester lookup ctxt v = |
28309 | 268 |
let |
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|
269 |
val name = Config.get ctxt batch_tester |
51302 | 270 |
val tester = |
271 |
(case lookup ctxt name of |
|
272 |
NONE => error ("No such quickcheck batch-tester: " ^ name) |
|
273 |
| SOME tester => tester ctxt); |
|
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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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|
274 |
in |
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|
275 |
if Config.get ctxt quiet then |
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|
276 |
try tester v |
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|
277 |
else |
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278 |
let (* FIXME !?!? *) |
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|
279 |
val tester = Exn.interruptible_capture tester v |
51302 | 280 |
in |
281 |
(case Exn.get_res tester of |
|
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|
282 |
NONE => SOME (Exn.release tester) |
51302 | 283 |
| SOME tester => SOME tester) |
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|
284 |
end |
51302 | 285 |
end; |
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|
286 |
|
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|
287 |
val mk_batch_tester = |
51302 | 288 |
gen_mk_tester (fn ctxt => AList.lookup (op =) ((fst o snd o fst o Data.get o Context.Proof) ctxt)); |
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|
289 |
val mk_batch_validator = |
51302 | 290 |
gen_mk_tester (fn ctxt => AList.lookup (op =) ((snd o snd o fst o Data.get o Context.Proof) ctxt)); |
291 |
||
292 |
||
28315 | 293 |
(* testing propositions *) |
294 |
||
43876 | 295 |
type compile_generator = |
51302 | 296 |
Proof.context -> (term * term list) list -> int list -> term list option * report option; |
43876 | 297 |
|
43585 | 298 |
fun limit timeout (limit_time, is_interactive) f exc () = |
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quickcheck can be invoked with its internal timelimit or without
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|
299 |
if limit_time then |
43585 | 300 |
TimeLimit.timeLimit timeout f () |
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|
301 |
handle TimeLimit.TimeOut => |
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|
302 |
if is_interactive then exc () else raise TimeLimit.TimeOut |
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|
303 |
else |
51302 | 304 |
f (); |
305 |
||
306 |
fun message ctxt s = if Config.get ctxt quiet then () else Output.urgent_message s; |
|
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changeset
|
307 |
|
51302 | 308 |
fun verbose_message ctxt s = |
309 |
if not (Config.get ctxt quiet) andalso Config.get ctxt verbose |
|
310 |
then Output.urgent_message s else (); |
|
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changeset
|
311 |
|
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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
|
312 |
fun test_terms ctxt (limit_time, is_interactive) insts goals = |
51302 | 313 |
(case active_testers ctxt of |
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|
314 |
[] => error "No active testers for quickcheck" |
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|
315 |
| testers => |
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changeset
|
316 |
limit (seconds (Config.get ctxt timeout)) (limit_time, is_interactive) |
43915 | 317 |
(fn () => Par_List.get_some (fn tester => |
51302 | 318 |
tester ctxt (length testers > 1) insts goals |> |
319 |
(fn result => if exists found_counterexample result then SOME result else NONE)) testers) |
|
320 |
(fn () => (message ctxt "Quickcheck ran out of time"; NONE)) ()); |
|
46759
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changeset
|
321 |
|
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changeset
|
322 |
fun all_axioms_of ctxt t = |
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|
323 |
let |
51302 | 324 |
val intros = Locale.get_intros ctxt; |
325 |
val unfolds = Locale.get_unfolds ctxt; |
|
326 |
fun retrieve_prems thms t = |
|
327 |
(case filter (fn th => Term.could_unify (Thm.concl_of th, t)) thms of |
|
328 |
[] => NONE |
|
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changeset
|
329 |
| [th] => |
51302 | 330 |
let |
331 |
val (tyenv, tenv) = |
|
332 |
Pattern.match (Proof_Context.theory_of ctxt) |
|
333 |
(Thm.concl_of th, t) (Vartab.empty, Vartab.empty) |
|
334 |
in SOME (map (Envir.subst_term (tyenv, tenv)) (Thm.prems_of th)) end); |
|
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changeset
|
335 |
fun all t = |
51302 | 336 |
(case retrieve_prems intros t of |
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changeset
|
337 |
NONE => retrieve_prems unfolds t |
51302 | 338 |
| SOME ts => SOME (maps (fn t => the_default [t] (all t)) ts)); |
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changeset
|
339 |
in |
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collecting all axioms in a locale context in quickcheck;
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changeset
|
340 |
all t |
51302 | 341 |
end; |
46759
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changeset
|
342 |
|
47348
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added option quickcheck_locale to allow different behaviours for handling locales in Quickcheck;
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diff
changeset
|
343 |
fun locale_config_of s = |
9a82999ebbd6
added option quickcheck_locale to allow different behaviours for handling locales in Quickcheck;
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changeset
|
344 |
let |
51302 | 345 |
val cs = space_explode " " s; |
47348
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added option quickcheck_locale to allow different behaviours for handling locales in Quickcheck;
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diff
changeset
|
346 |
in |
9a82999ebbd6
added option quickcheck_locale to allow different behaviours for handling locales in Quickcheck;
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changeset
|
347 |
if forall (fn c => c = "expand" orelse c = "interpret") cs then cs |
47383 | 348 |
else (warning ("Invalid quickcheck_locale setting: falling back to the default setting."); |
47348
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changeset
|
349 |
["interpret", "expand"]) |
51302 | 350 |
end; |
47348
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added option quickcheck_locale to allow different behaviours for handling locales in Quickcheck;
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changeset
|
351 |
|
42026
da9b58f1db42
adding option of evaluating terms after invocation in quickcheck
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diff
changeset
|
352 |
fun test_goal (time_limit, is_interactive) (insts, eval_terms) i state = |
40648
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diff
changeset
|
353 |
let |
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parents:
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diff
changeset
|
354 |
val lthy = Proof.context_of state; |
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parents:
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diff
changeset
|
355 |
val thy = Proof.theory_of state; |
45765
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diff
changeset
|
356 |
val _ = message lthy "Quickchecking..." |
40648
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parents:
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diff
changeset
|
357 |
fun strip (Const ("all", _) $ Abs (_, _, t)) = strip t |
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parents:
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diff
changeset
|
358 |
| strip t = t; |
1598ec648b0d
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parents:
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diff
changeset
|
359 |
val {goal = st, ...} = Proof.raw_goal state; |
1598ec648b0d
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parents:
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diff
changeset
|
360 |
val (gi, frees) = Logic.goal_params (prop_of st) i; |
51302 | 361 |
val some_locale = |
362 |
(case (Option.map #target o Named_Target.peek) lthy of |
|
363 |
NONE => NONE |
|
40648
1598ec648b0d
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bulwahn
parents:
40647
diff
changeset
|
364 |
| SOME "" => NONE |
51302 | 365 |
| SOME locale => SOME locale); |
366 |
val assms = |
|
367 |
if Config.get lthy no_assms then [] |
|
368 |
else |
|
369 |
(case some_locale of |
|
370 |
NONE => Assumption.all_assms_of lthy |
|
371 |
| 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
|
372 |
val proto_goal = Logic.list_implies (map Thm.term_of assms, subst_bounds (frees, strip gi)); |
51302 | 373 |
fun axioms_of locale = |
374 |
(case fst (Locale.specification_of thy locale) of |
|
46759
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collecting all axioms in a locale context in quickcheck;
bulwahn
parents:
46565
diff
changeset
|
375 |
NONE => [] |
51302 | 376 |
| SOME t => the_default [] (all_axioms_of lthy t)); |
377 |
val config = locale_config_of (Config.get lthy locale); |
|
378 |
val goals = |
|
379 |
(case some_locale of |
|
380 |
NONE => [(proto_goal, eval_terms)] |
|
381 |
| SOME locale => |
|
382 |
fold (fn c => |
|
383 |
if c = "expand" then cons (Logic.list_implies (axioms_of locale, proto_goal), eval_terms) |
|
384 |
else if c = "interpret" then |
|
385 |
append (map (fn (_, phi) => |
|
386 |
(Morphism.term phi proto_goal, map (Morphism.term phi) eval_terms)) |
|
387 |
(Locale.registrations_of (Context.Theory thy) (*FIXME*) locale)) |
|
388 |
else I) config []); |
|
389 |
val _ = |
|
390 |
verbose_message lthy |
|
391 |
(Pretty.string_of |
|
392 |
(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
|
393 |
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
|
394 |
test_terms lthy (time_limit, is_interactive) insts goals |
51302 | 395 |
end; |
396 |
||
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
|
397 |
|
37912 | 398 |
(* pretty printing *) |
28315 | 399 |
|
51302 | 400 |
fun tool_name auto = (if auto then "Auto " else "") ^ "Quickcheck"; |
40225 | 401 |
|
46863 | 402 |
fun pretty_counterex ctxt auto NONE = |
403 |
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
|
404 |
| pretty_counterex ctxt auto (SOME ((genuine, cex), eval_terms)) = |
6bd0acefaedb
outputing if counterexample is potentially spurious or not
bulwahn
parents:
45727
diff
changeset
|
405 |
Pretty.chunks ((Pretty.str (tool_name auto ^ " found a " ^ |
46863 | 406 |
(if genuine then "counterexample:" |
407 |
else "potentially spurious counterexample due to underspecified functions:") |
|
408 |
^ Config.get ctxt tag ^ "\n") :: |
|
28315 | 409 |
map (fn (s, t) => |
42028
bd6515e113b2
passing a term with free variables to the quickcheck tester functions instead of an lambda expression because this is more natural with passing further evaluation terms; added output of evaluation terms; added evaluation of terms in the exhaustive testing
bulwahn
parents:
42026
diff
changeset
|
410 |
Pretty.block [Pretty.str (s ^ " ="), Pretty.brk 1, Syntax.pretty_term ctxt t]) (rev cex)) |
43020
abb5d1f907e4
added "try" command, to launch Solve Direct, Quickcheck, Nitpick, Sledgehammer, and Try Methods
blanchet
parents:
43018
diff
changeset
|
411 |
@ (if null eval_terms then [] |
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
|
412 |
else (Pretty.fbrk :: Pretty.str ("Evaluated terms:") :: |
43020
abb5d1f907e4
added "try" command, to launch Solve Direct, Quickcheck, Nitpick, Sledgehammer, and Try Methods
blanchet
parents:
43018
diff
changeset
|
413 |
map (fn (t, u) => |
43881
cabe74eab19a
changing parser in quickcheck to activate and deactivate the testers
bulwahn
parents:
43879
diff
changeset
|
414 |
Pretty.block [Syntax.pretty_term ctxt t, Pretty.str " =", Pretty.brk 1, |
cabe74eab19a
changing parser in quickcheck to activate and deactivate the testers
bulwahn
parents:
43879
diff
changeset
|
415 |
Syntax.pretty_term ctxt u]) (rev eval_terms)))); |
28315 | 416 |
|
51302 | 417 |
|
30980 | 418 |
(* Isar commands *) |
28315 | 419 |
|
51302 | 420 |
fun read_nat s = |
421 |
(case (Library.read_int o Symbol.explode) s of |
|
422 |
(k, []) => |
|
423 |
if k >= 0 then k |
|
28336 | 424 |
else error ("Not a natural number: " ^ s) |
51302 | 425 |
| (_, _ :: _) => 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
|
426 |
|
34128
8650a073dd9b
made Quickcheck take structured proof assumptions into account (like Refute and Nitpick) by default;
blanchet
parents:
33583
diff
changeset
|
427 |
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
|
428 |
| read_bool "true" = true |
51302 | 429 |
| read_bool s = error ("Not a Boolean value: " ^ s); |
28315 | 430 |
|
40366
a2866dbfbe6b
changing timeout to real value; handling Interrupt and Timeout more like nitpick does
bulwahn
parents:
40253
diff
changeset
|
431 |
fun read_real s = |
51302 | 432 |
(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
|
433 |
SOME s => s |
51302 | 434 |
| 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
|
435 |
|
37929
22e0797857e6
adding checking of expected result for the tool quickcheck; annotated a few quickcheck examples
bulwahn
parents:
37913
diff
changeset
|
436 |
fun read_expectation "no_expectation" = No_Expectation |
41517 | 437 |
| 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
|
438 |
| read_expectation "counterexample" = Counterexample |
51302 | 439 |
| 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
|
440 |
|
51302 | 441 |
fun valid_tester_name genctxt name = AList.defined (op =) (fst (fst (Data.get genctxt))) name; |
442 |
||
43881
cabe74eab19a
changing parser in quickcheck to activate and deactivate the testers
bulwahn
parents:
43879
diff
changeset
|
443 |
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
|
444 |
if valid_tester_name genctxt name then |
51302 | 445 |
(insert (op =) name testers, genctxt) |
40912
1108529100ce
checking if parameter is name of a tester which allows e.g. quickcheck[random]
bulwahn
parents:
40911
diff
changeset
|
446 |
else |
51302 | 447 |
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
|
448 |
|
43881
cabe74eab19a
changing parser in quickcheck to activate and deactivate the testers
bulwahn
parents:
43879
diff
changeset
|
449 |
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
|
450 |
| 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
|
451 |
| parse_test_param ("iterations", [arg]) = apsnd (Config.put_generic iterations (read_nat arg)) |
51302 | 452 |
| parse_test_param ("depth", [arg]) = apsnd (Config.put_generic depth (read_nat arg)) |
43881
cabe74eab19a
changing parser in quickcheck to activate and deactivate the testers
bulwahn
parents:
43879
diff
changeset
|
453 |
| parse_test_param ("default_type", arg) = (fn (testers, gen_ctxt) => |
cabe74eab19a
changing parser in quickcheck to activate and deactivate the testers
bulwahn
parents:
43879
diff
changeset
|
454 |
(testers, map_test_params |
cabe74eab19a
changing parser in quickcheck to activate and deactivate the testers
bulwahn
parents:
43879
diff
changeset
|
455 |
((apfst o K) (map (Proof_Context.read_typ (Context.proof_of gen_ctxt)) arg)) gen_ctxt)) |
cabe74eab19a
changing parser in quickcheck to activate and deactivate the testers
bulwahn
parents:
43879
diff
changeset
|
456 |
| parse_test_param ("no_assms", [arg]) = apsnd (Config.put_generic no_assms (read_bool arg)) |
cabe74eab19a
changing parser in quickcheck to activate and deactivate the testers
bulwahn
parents:
43879
diff
changeset
|
457 |
| parse_test_param ("expect", [arg]) = apsnd (map_test_params ((apsnd o K) (read_expectation arg))) |
cabe74eab19a
changing parser in quickcheck to activate and deactivate the testers
bulwahn
parents:
43879
diff
changeset
|
458 |
| parse_test_param ("report", [arg]) = apsnd (Config.put_generic report (read_bool arg)) |
45757
e32dd098f57a
renaming potential flag to genuine_only flag with an inverse semantics
bulwahn
parents:
45755
diff
changeset
|
459 |
| parse_test_param ("genuine_only", [arg]) = apsnd (Config.put_generic genuine_only (read_bool arg)) |
46477
db693eb03a3f
adding abort_potential configuration in Quickcheck
bulwahn
parents:
46343
diff
changeset
|
460 |
| parse_test_param ("abort_potential", [arg]) = 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
|
461 |
| parse_test_param ("quiet", [arg]) = apsnd (Config.put_generic quiet (read_bool arg)) |
45764 | 462 |
| parse_test_param ("verbose", [arg]) = apsnd (Config.put_generic verbose (read_bool arg)) |
46863 | 463 |
| parse_test_param ("tag", [arg]) = apsnd (Config.put_generic tag arg) |
51302 | 464 |
| parse_test_param ("use_subtype", [arg]) = apsnd (Config.put_generic use_subtype (read_bool arg)) |
43881
cabe74eab19a
changing parser in quickcheck to activate and deactivate the testers
bulwahn
parents:
43879
diff
changeset
|
465 |
| parse_test_param ("timeout", [arg]) = apsnd (Config.put_generic timeout (read_real arg)) |
cabe74eab19a
changing parser in quickcheck to activate and deactivate the testers
bulwahn
parents:
43879
diff
changeset
|
466 |
| parse_test_param ("finite_types", [arg]) = apsnd (Config.put_generic finite_types (read_bool arg)) |
45449
eeffd04cd899
adding option allow_function_inversion to quickcheck options
bulwahn
parents:
45419
diff
changeset
|
467 |
| parse_test_param ("allow_function_inversion", [arg]) = |
eeffd04cd899
adding option allow_function_inversion to quickcheck options
bulwahn
parents:
45419
diff
changeset
|
468 |
apsnd (Config.put_generic allow_function_inversion (read_bool arg)) |
41517 | 469 |
| parse_test_param ("finite_type_size", [arg]) = |
43881
cabe74eab19a
changing parser in quickcheck to activate and deactivate the testers
bulwahn
parents:
43879
diff
changeset
|
470 |
apsnd (Config.put_generic finite_type_size (read_nat arg)) |
51302 | 471 |
| parse_test_param (name, _) = |
472 |
(fn (testers, genctxt) => |
|
473 |
if valid_tester_name genctxt name then |
|
474 |
(insert (op =) name testers, genctxt) |
|
475 |
else error ("Unknown tester or test parameter: " ^ name)); |
|
28315 | 476 |
|
43881
cabe74eab19a
changing parser in quickcheck to activate and deactivate the testers
bulwahn
parents:
43879
diff
changeset
|
477 |
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
|
478 |
|
cabe74eab19a
changing parser in quickcheck to activate and deactivate the testers
bulwahn
parents:
43879
diff
changeset
|
479 |
fun parse_test_param_inst (name, arg) ((insts, eval_terms), (testers, ctxt)) = |
51302 | 480 |
(case try (Proof_Context.read_typ ctxt) name of |
481 |
SOME (TFree (v, _)) => |
|
482 |
((AList.update (op =) (v, Proof_Context.read_typ ctxt (the_single arg)) insts, eval_terms), |
|
483 |
(testers, ctxt)) |
|
484 |
| NONE => |
|
485 |
(case name of |
|
486 |
"eval" => ((insts, eval_terms @ map (Syntax.read_term ctxt) arg), (testers, ctxt)) |
|
487 |
| _ => |
|
488 |
((insts, eval_terms), |
|
489 |
proof_map_result (fn gen_ctxt => parse_test_param (name, arg) (testers, gen_ctxt)) ctxt))); |
|
28309 | 490 |
|
43881
cabe74eab19a
changing parser in quickcheck to activate and deactivate the testers
bulwahn
parents:
43879
diff
changeset
|
491 |
fun quickcheck_params_cmd args = Context.theory_map |
cabe74eab19a
changing parser in quickcheck to activate and deactivate the testers
bulwahn
parents:
43879
diff
changeset
|
492 |
(fn gen_ctxt => uncurry set_active_testers (fold parse_test_param args ([], gen_ctxt))); |
41517 | 493 |
|
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
|
494 |
fun check_expectation state results = |
51302 | 495 |
if is_some results andalso expect (Proof.context_of state) = No_Counterexample then |
496 |
error "quickcheck expected to find no counterexample but found one" |
|
497 |
else if is_none results andalso expect (Proof.context_of state) = Counterexample then |
|
498 |
error "quickcheck expected to find a counterexample but did not find one" |
|
499 |
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
|
500 |
|
35378
95d0e3adf38e
added basic reporting of test cases to quickcheck
bulwahn
parents:
35324
diff
changeset
|
501 |
fun gen_quickcheck args i state = |
40644
0850a2a16dce
changed old-style quickcheck configurations to new Config.T configurations
bulwahn
parents:
40643
diff
changeset
|
502 |
state |
43881
cabe74eab19a
changing parser in quickcheck to activate and deactivate the testers
bulwahn
parents:
43879
diff
changeset
|
503 |
|> Proof.map_context_result (fn ctxt => |
cabe74eab19a
changing parser in quickcheck to activate and deactivate the testers
bulwahn
parents:
43879
diff
changeset
|
504 |
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
|
505 |
(fold parse_test_param_inst args (([], []), ([], ctxt)))) |
42026
da9b58f1db42
adding option of evaluating terms after invocation in quickcheck
bulwahn
parents:
42025
diff
changeset
|
506 |
|> (fn ((insts, eval_terms), state') => test_goal (true, true) (insts, eval_terms) i state' |
51302 | 507 |
|> tap (check_expectation state') |> rpair state'); |
32297 | 508 |
|
43879
c8308a8faf9f
enabling parallel execution of testers but removing more informative quickcheck output
bulwahn
parents:
43878
diff
changeset
|
509 |
fun quickcheck args i state = |
51302 | 510 |
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
|
511 |
|
32297 | 512 |
fun quickcheck_cmd args i state = |
35378
95d0e3adf38e
added basic reporting of test cases to quickcheck
bulwahn
parents:
35324
diff
changeset
|
513 |
gen_quickcheck args i (Toplevel.proof_of state) |
46863 | 514 |
|> apfst (Option.map (the o get_first response_of)) |
51302 | 515 |
|> (fn (r, state) => |
516 |
Output.urgent_message (Pretty.string_of |
|
517 |
(pretty_counterex (Proof.context_of state) false r))); |
|
28309 | 518 |
|
41517 | 519 |
val parse_arg = |
520 |
Parse.name -- |
|
46949 | 521 |
(Scan.optional (@{keyword "="} |-- |
41517 | 522 |
(((Parse.name || Parse.float_number) >> single) || |
46949 | 523 |
(@{keyword "["} |-- Parse.list1 Parse.name --| @{keyword "]"}))) ["true"]); |
28309 | 524 |
|
41517 | 525 |
val parse_args = |
46949 | 526 |
@{keyword "["} |-- Parse.list1 parse_arg --| @{keyword "]"} || Scan.succeed []; |
28336 | 527 |
|
36960
01594f816e3a
prefer structure Keyword, Parse, Parse_Spec, Outer_Syntax;
wenzelm
parents:
36610
diff
changeset
|
528 |
val _ = |
46961
5c6955f487e5
outer syntax command definitions based on formal command_spec derived from theory header declarations;
wenzelm
parents:
46949
diff
changeset
|
529 |
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
|
530 |
(parse_args >> (fn args => Toplevel.theory (quickcheck_params_cmd args))); |
28309 | 531 |
|
36960
01594f816e3a
prefer structure Keyword, Parse, Parse_Spec, Outer_Syntax;
wenzelm
parents:
36610
diff
changeset
|
532 |
val _ = |
46961
5c6955f487e5
outer syntax command definitions based on formal command_spec derived from theory header declarations;
wenzelm
parents:
46949
diff
changeset
|
533 |
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
|
534 |
"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
|
535 |
(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
|
536 |
Toplevel.unknown_proof o Toplevel.keep (quickcheck_cmd args i))); |
28309 | 537 |
|
51302 | 538 |
|
43020
abb5d1f907e4
added "try" command, to launch Solve Direct, Quickcheck, Nitpick, Sledgehammer, and Try Methods
blanchet
parents:
43018
diff
changeset
|
539 |
(* automatic testing *) |
abb5d1f907e4
added "try" command, to launch Solve Direct, Quickcheck, Nitpick, Sledgehammer, and Try Methods
blanchet
parents:
43018
diff
changeset
|
540 |
|
abb5d1f907e4
added "try" command, to launch Solve Direct, Quickcheck, Nitpick, Sledgehammer, and Try Methods
blanchet
parents:
43018
diff
changeset
|
541 |
fun try_quickcheck auto state = |
abb5d1f907e4
added "try" command, to launch Solve Direct, Quickcheck, Nitpick, Sledgehammer, and Try Methods
blanchet
parents:
43018
diff
changeset
|
542 |
let |
abb5d1f907e4
added "try" command, to launch Solve Direct, Quickcheck, Nitpick, Sledgehammer, and Try Methods
blanchet
parents:
43018
diff
changeset
|
543 |
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
|
544 |
val i = 1; |
abb5d1f907e4
added "try" command, to launch Solve Direct, Quickcheck, Nitpick, Sledgehammer, and Try Methods
blanchet
parents:
43018
diff
changeset
|
545 |
val res = |
abb5d1f907e4
added "try" command, to launch Solve Direct, Quickcheck, Nitpick, Sledgehammer, and Try Methods
blanchet
parents:
43018
diff
changeset
|
546 |
state |
abb5d1f907e4
added "try" command, to launch Solve Direct, Quickcheck, Nitpick, Sledgehammer, and Try Methods
blanchet
parents:
43018
diff
changeset
|
547 |
|> 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
|
548 |
|> 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
|
549 |
in |
51302 | 550 |
(case res of |
43020
abb5d1f907e4
added "try" command, to launch Solve Direct, Quickcheck, Nitpick, Sledgehammer, and Try Methods
blanchet
parents:
43018
diff
changeset
|
551 |
NONE => (unknownN, state) |
abb5d1f907e4
added "try" command, to launch Solve Direct, Quickcheck, Nitpick, Sledgehammer, and Try Methods
blanchet
parents:
43018
diff
changeset
|
552 |
| SOME results => |
abb5d1f907e4
added "try" command, to launch Solve Direct, Quickcheck, Nitpick, Sledgehammer, and Try Methods
blanchet
parents:
43018
diff
changeset
|
553 |
let |
43879
c8308a8faf9f
enabling parallel execution of testers but removing more informative quickcheck output
bulwahn
parents:
43878
diff
changeset
|
554 |
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
|
555 |
in |
43879
c8308a8faf9f
enabling parallel execution of testers but removing more informative quickcheck output
bulwahn
parents:
43878
diff
changeset
|
556 |
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
|
557 |
(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
|
558 |
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
|
559 |
|> (if auto then |
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
|
560 |
Proof.goal_message (K (Pretty.chunks [Pretty.str "", |
50201
c26369c9eda6
Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents:
49358
diff
changeset
|
561 |
Pretty.mark Markup.intensify 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
|
562 |
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
|
563 |
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
|
564 |
else |
abb5d1f907e4
added "try" command, to launch Solve Direct, Quickcheck, Nitpick, Sledgehammer, and Try Methods
blanchet
parents:
43018
diff
changeset
|
565 |
(noneN, state) |
51302 | 566 |
end) |
43020
abb5d1f907e4
added "try" command, to launch Solve Direct, Quickcheck, Nitpick, Sledgehammer, and Try Methods
blanchet
parents:
43018
diff
changeset
|
567 |
end |
51302 | 568 |
|> `(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
|
569 |
|
51302 | 570 |
val setup = Try.register_tool (quickcheckN, (20, auto, try_quickcheck)); |
43020
abb5d1f907e4
added "try" command, to launch Solve Direct, Quickcheck, Nitpick, Sledgehammer, and Try Methods
blanchet
parents:
43018
diff
changeset
|
571 |
|
28315 | 572 |
end; |
28309 | 573 |
|
28315 | 574 |
val auto_quickcheck = Quickcheck.auto; |