--- a/src/Tools/quickcheck.ML Fri Dec 18 12:00:44 2009 +0100
+++ b/src/Tools/quickcheck.ML Fri Dec 18 14:02:58 2009 +0100
@@ -32,24 +32,27 @@
(* quickcheck configuration -- default parameters, test generators *)
datatype test_params = Test_Params of
- { size: int, iterations: int, default_type: typ option };
+ { size: int, iterations: int, default_type: typ option, no_assms: bool };
-fun dest_test_params (Test_Params { size, iterations, default_type }) =
- ((size, iterations), default_type);
-fun make_test_params ((size, iterations), default_type) =
- Test_Params { size = size, iterations = iterations, default_type = default_type };
-fun map_test_params f (Test_Params { size, iterations, default_type}) =
- make_test_params (f ((size, iterations), default_type));
-fun merge_test_params (Test_Params { size = size1, iterations = iterations1, default_type = default_type1 },
- Test_Params { size = size2, iterations = iterations2, default_type = default_type2 }) =
+fun dest_test_params (Test_Params { size, iterations, default_type, no_assms }) =
+ ((size, iterations), (default_type, no_assms));
+fun make_test_params ((size, iterations), (default_type, no_assms)) =
+ Test_Params { size = size, iterations = iterations, default_type = default_type,
+ no_assms = no_assms };
+fun map_test_params f (Test_Params { size, iterations, default_type, no_assms }) =
+ make_test_params (f ((size, iterations), (default_type, no_assms)));
+fun merge_test_params (Test_Params { size = size1, iterations = iterations1, default_type = default_type1,
+ no_assms = no_assms1 },
+ Test_Params { size = size2, iterations = iterations2, default_type = default_type2,
+ no_assms = no_assms2 }) =
make_test_params ((Int.max (size1, size2), Int.max (iterations1, iterations2)),
- case default_type1 of NONE => default_type2 | _ => default_type1);
+ (case default_type1 of NONE => default_type2 | _ => default_type1, no_assms1 orelse no_assms2));
structure Data = Theory_Data
(
type T = (string * (Proof.context -> term -> int -> term list option)) list
* test_params;
- val empty = ([], Test_Params { size = 10, iterations = 100, default_type = NONE });
+ val empty = ([], Test_Params { size = 10, iterations = 100, default_type = NONE, no_assms = false });
val extend = I;
fun merge ((generators1, params1), (generators2, params2)) : T =
(AList.merge (op =) (K true) (generators1, generators2),
@@ -130,7 +133,7 @@
| subst T = T;
in (map_types o map_atyps) subst end;
-fun test_goal quiet generator_name size iterations default_T insts i assms state =
+fun test_goal quiet generator_name size iterations default_T no_assms insts i assms state =
let
val ctxt = Proof.context_of state;
val thy = Proof.theory_of state;
@@ -138,7 +141,8 @@
| strip t = t;
val {goal = st, ...} = Proof.raw_goal state;
val (gi, frees) = Logic.goal_params (prop_of st) i;
- val gi' = Logic.list_implies (assms, subst_bounds (frees, strip gi))
+ val gi' = Logic.list_implies (if no_assms then [] else assms,
+ subst_bounds (frees, strip gi))
|> monomorphic_term thy insts default_T
|> ObjectLogic.atomize_term thy;
in test_term ctxt quiet generator_name size iterations gi' end;
@@ -159,10 +163,10 @@
let
val ctxt = Proof.context_of state;
val assms = map term_of (Assumption.all_assms_of ctxt);
- val Test_Params { size, iterations, default_type } =
+ val Test_Params { size, iterations, default_type, no_assms } =
(snd o Data.get o Proof.theory_of) state;
val res =
- try (test_goal true NONE size iterations default_type [] 1 assms) state;
+ try (test_goal true NONE size iterations default_type no_assms [] 1 assms) state;
in
case res of
NONE => (false, state)
@@ -180,15 +184,20 @@
of (k, []) => if k >= 0 then k
else error ("Not a natural number: " ^ s)
| (_, _ :: _) => error ("Not a natural number: " ^ s);
+fun read_bool "false" = false
+ | read_bool "true" = true
+ | read_bool s = error ("Not a Boolean value: " ^ s)
fun parse_test_param ctxt ("size", arg) =
(apfst o apfst o K) (read_nat arg)
| parse_test_param ctxt ("iterations", arg) =
(apfst o apsnd o K) (read_nat arg)
| parse_test_param ctxt ("default_type", arg) =
- (apsnd o K o SOME) (ProofContext.read_typ ctxt arg)
+ (apsnd o apfst o K o SOME) (ProofContext.read_typ ctxt arg)
+ | parse_test_param ctxt ("no_assms", arg) =
+ (apsnd o apsnd o K) (read_bool arg)
| parse_test_param ctxt (name, _) =
- error ("Bad test parameter: " ^ name);
+ error ("Unknown test parameter: " ^ name);
fun parse_test_param_inst ctxt ("generator", arg) =
(apsnd o apfst o K o SOME) arg
@@ -211,12 +220,13 @@
let
val thy = Proof.theory_of state;
val ctxt = Proof.context_of state;
+ val assms = map term_of (Assumption.all_assms_of ctxt);
val default_params = (dest_test_params o snd o Data.get) thy;
val f = fold (parse_test_param_inst ctxt) args;
- val (((size, iterations), default_type), (generator_name, insts)) =
+ val (((size, iterations), (default_type, no_assms)), (generator_name, insts)) =
f (default_params, (NONE, []));
in
- test_goal false generator_name size iterations default_type insts i [] state
+ test_goal false generator_name size iterations default_type no_assms insts i assms state
end;
fun quickcheck_cmd args i state =
@@ -225,7 +235,8 @@
local structure P = OuterParse and K = OuterKeyword in
-val parse_arg = P.name --| P.$$$ "=" -- P.name;
+val parse_arg = P.name -- (Scan.optional (P.$$$ "=" |-- P.name) "true")
+
val parse_args = P.$$$ "[" |-- P.list1 parse_arg --| P.$$$ "]"
|| Scan.succeed [];