diff options
| -rw-r--r-- | lib/stdlib/test/sets_SUITE.erl | 342 | ||||
| -rw-r--r-- | lib/stdlib/test/sets_test_lib.erl | 82 |
2 files changed, 211 insertions, 213 deletions
diff --git a/lib/stdlib/test/sets_SUITE.erl b/lib/stdlib/test/sets_SUITE.erl index f284276bd7..e2bcdd18ce 100644 --- a/lib/stdlib/test/sets_SUITE.erl +++ b/lib/stdlib/test/sets_SUITE.erl @@ -35,7 +35,7 @@ -import(lists, [foldl/3,reverse/1]). init_per_testcase(_Case, Config) -> - ?line Dog = ?t:timetrap(?t:minutes(5)), + Dog = ?t:timetrap(?t:minutes(5)), [{watchdog,Dog}|Config]. end_per_testcase(_Case, Config) -> @@ -70,65 +70,65 @@ create(Config) when is_list(Config) -> test_all(fun create_1/1). create_1(M) -> - ?line S0 = M:empty(), - ?line [] = M:to_list(S0), - ?line 0 = M:size(S0), - ?line true = M:is_empty(S0), + S0 = M(empty, []), + [] = M(to_list, S0), + 0 = M(size, S0), + true = M(is_empty, S0), E = make_ref(), - ?line One = M:singleton(E), - ?line 1 = M:size(One), - ?line false = M:is_empty(One), - [E] = M:to_list(One), + One = M(singleton, E), + 1 = M(size, One), + false = M(is_empty, One), + [E] = M(to_list, One), S0. add_element(Config) when is_list(Config) -> test_all([{0,132},{253,258},{510,514}], fun add_element_1/2). add_element_1(List, M) -> - ?line S = M:from_list(List), - ?line SortedSet = lists:usort(List), - ?line SortedSet = lists:sort(M:to_list(S)), + S = M(from_list, List), + SortedSet = lists:usort(List), + SortedSet = lists:sort(M(to_list, S)), %% Make sure that we get the same result by inserting %% elements one at the time. - ?line S2 = foldl(fun(El, Set) -> M:add_element(El, Set) end, - M:empty(), List), - ?line true = M:equal(S, S2), + S2 = foldl(fun(El, Set) -> M(add_element, {El,Set}) end, + M(empty, []), List), + true = M(equal, {S,S2}), %% Insert elements, randomly delete inserted elements, %% and re-inserted all deleted elements at the end. - ?line S3 = add_element_del(List, M, M:empty(), [], []), - ?line true = M:equal(S2, S3), - ?line true = M:equal(S, S3), + S3 = add_element_del(List, M, M(empty, []), [], []), + true = M(equal, {S2,S3}), + true = M(equal, {S,S3}), S. add_element_del([H|T], M, S, Del, []) -> - add_element_del(T, M, M:add_element(H, S), Del, [H]); + add_element_del(T, M, M(add_element, {H,S}), Del, [H]); add_element_del([H|T], M, S0, Del, Inserted) -> - S1 = M:add_element(H, S0), + S1 = M(add_element, {H,S0}), case random:uniform(3) of 1 -> OldEl = lists:nth(random:uniform(length(Inserted)), Inserted), - S = M:del_element(OldEl, S1), + S = M(del_element, {OldEl,S1}), add_element_del(T, M, S, [OldEl|Del], [H|Inserted]); _ -> add_element_del(T, M, S1, Del, [H|Inserted]) end; add_element_del([], M, S, Del, _) -> - M:union(S, M:from_list(Del)). + M(union, {S,M(from_list, Del)}). del_element(Config) when is_list(Config) -> test_all([{0,132},{253,258},{510,514},{1022,1026}], fun del_element_1/2). del_element_1(List, M) -> - ?line S0 = M:from_list(List), - ?line Empty = foldl(fun(El, Set) -> M:del_element(El, Set) end, S0, List), - ?line Empty = M:empty(), - ?line M:is_empty(Empty), - ?line S1 = foldl(fun(El, Set) -> - M:add_element(El, Set) - end, S0, reverse(List)), - ?line true = M:equal(S0, S1), + S0 = M(from_list, List), + Empty = foldl(fun(El, Set) -> M(del_element, {El,Set}) end, S0, List), + Empty = M(empty, []), + true = M(is_empty, Empty), + S1 = foldl(fun(El, Set) -> + M(add_element, {El,Set}) + end, S0, reverse(List)), + true = M(equal, {S0,S1}), S1. subtract(Config) when is_list(Config) -> @@ -138,23 +138,23 @@ subtract(Config) when is_list(Config) -> test_all([{2,69},{126,130},{253,258},511,512,{1023,1030}], fun subtract_1/2). subtract_empty(M) -> - ?line Empty = M:empty(), - ?line true = M:is_empty(M:subtract(Empty, Empty)), - M:subtract(Empty, Empty). + Empty = M(empty, []), + true = M(is_empty, M(subtract, {Empty,Empty})), + M(subtract, {Empty,Empty}). subtract_1(List, M) -> - ?line S0 = M:from_list(List), - ?line Empty = M:empty(), + S0 = M(from_list, List), + Empty = M(empty, []), %% Trivial cases. - ?line true = M:is_empty(M:subtract(Empty, S0)), - ?line true = M:equal(S0, M:subtract(S0, Empty)), + true = M(is_empty, M(subtract, {Empty,S0})), + true = M(equal, {S0,M(subtract, {S0,Empty})}), %% Not so trivial. - ?line subtract_check(List, mutate_some(remove_some(List, 0.4)), M), - ?line subtract_check(List, rnd_list(length(List) div 2 + 5), M), - ?line subtract_check(List, rnd_list(length(List) div 7 + 9), M), - ?line subtract_check(List, mutate_some(List), M). + subtract_check(List, mutate_some(remove_some(List, 0.4)), M), + subtract_check(List, rnd_list(length(List) div 2 + 5), M), + subtract_check(List, rnd_list(length(List) div 7 + 9), M), + subtract_check(List, mutate_some(List), M). subtract_check(A, B, M) -> one_subtract_check(B, A, M), @@ -163,12 +163,12 @@ subtract_check(A, B, M) -> one_subtract_check(A, B, M) -> ASorted = lists:usort(A), BSorted = lists:usort(B), - ASet = M:from_list(A), - BSet = M:from_list(B), - DiffSet = M:subtract(ASet, BSet), + ASet = M(from_list, A), + BSet = M(from_list, B), + DiffSet = M(subtract, {ASet,BSet}), Diff = ASorted -- BSorted, - true = M:equal(DiffSet, M:from_list(Diff)), - Diff = lists:sort(M:to_list(DiffSet)), + true = M(equal, {DiffSet,M(from_list, Diff)}), + Diff = lists:sort(M(to_list, DiffSet)), DiffSet. intersection(Config) when is_list(Config) -> @@ -176,60 +176,60 @@ intersection(Config) when is_list(Config) -> test_all([{1,65},{126,130},{253,259},{499,513},{1023,1025}], fun intersection_1/2). intersection_1(List, M) -> - ?line S0 = M:from_list(List), + S0 = M(from_list, List), %% Intersection with self. - ?line true = M:equal(S0, M:intersection(S0, S0)), - ?line true = M:equal(S0, M:intersection([S0,S0])), - ?line true = M:equal(S0, M:intersection([S0,S0,S0])), - ?line true = M:equal(S0, M:intersection([S0])), + true = M(equal, {S0,M(intersection, {S0,S0})}), + true = M(equal, {S0,M(intersection, [S0,S0])}), + true = M(equal, {S0,M(intersection, [S0,S0,S0])}), + true = M(equal, {S0,M(intersection, [S0])}), %% Intersection with empty. - ?line Empty = M:empty(), - ?line true = M:equal(Empty, M:intersection(S0, Empty)), - ?line true = M:equal(Empty, M:intersection([S0,Empty,S0,Empty])), + Empty = M(empty, []), + true = M(equal, {Empty,M(intersection, {S0,Empty})}), + true = M(equal, {Empty,M(intersection, [S0,Empty,S0,Empty])}), %% The intersection of no sets is undefined. - ?line {'EXIT',_} = (catch M:intersection([])), + {'EXIT',_} = (catch M(intersection, [])), %% Disjoint sets. - ?line Disjoint = [{El} || El <- List], - ?line DisjointSet = M:from_list(Disjoint), - ?line M:is_empty(M:intersection(S0, DisjointSet)), + Disjoint = [{El} || El <- List], + DisjointSet = M(from_list, Disjoint), + true = M(is_empty, M(intersection, {S0,DisjointSet})), %% Disjoint, different sizes. - ?line M:is_empty(M:intersection(S0, M:from_list(remove_some(Disjoint, 0.3)))), - ?line M:is_empty(M:intersection(S0, M:from_list(remove_some(Disjoint, 0.7)))), - ?line M:is_empty(M:intersection(S0, M:from_list(remove_some(Disjoint, 0.9)))), - ?line M:is_empty(M:intersection(M:from_list(remove_some(List, 0.3)), DisjointSet)), - ?line M:is_empty(M:intersection(M:from_list(remove_some(List, 0.5)), DisjointSet)), - ?line M:is_empty(M:intersection(M:from_list(remove_some(List, 0.9)), DisjointSet)), + [begin + SomeRemoved = M(from_list, remove_some(Disjoint, HowMuch)), + true = M(is_empty, M(intersection, {S0,SomeRemoved})), + MoreRemoved = M(from_list, remove_some(List, HowMuch)), + true = M(is_empty, M(intersection, {MoreRemoved,DisjointSet})) + end || HowMuch <- [0.3,0.5,0.7,0.9]], %% Partial overlap (one or more elements in result set). %% The sets have almost the same size. (Almost because a duplicated %% element in the original list could be mutated and not mutated %% at the same time.) - ?line PartialOverlap = mutate_some(List, []), - ?line IntersectionSet = check_intersection(List, PartialOverlap, M), - ?line false = M:is_empty(IntersectionSet), + PartialOverlap = mutate_some(List, []), + IntersectionSet = check_intersection(List, PartialOverlap, M), + false = M(is_empty, IntersectionSet), %% Partial overlap, different set sizes. (Intersection possibly empty.) - ?line check_intersection(List, remove_some(PartialOverlap, 0.1), M), - ?line check_intersection(List, remove_some(PartialOverlap, 0.3), M), - ?line check_intersection(List, remove_some(PartialOverlap, 0.5), M), - ?line check_intersection(List, remove_some(PartialOverlap, 0.7), M), - ?line check_intersection(List, remove_some(PartialOverlap, 0.9), M), + check_intersection(List, remove_some(PartialOverlap, 0.1), M), + check_intersection(List, remove_some(PartialOverlap, 0.3), M), + check_intersection(List, remove_some(PartialOverlap, 0.5), M), + check_intersection(List, remove_some(PartialOverlap, 0.7), M), + check_intersection(List, remove_some(PartialOverlap, 0.9), M), IntersectionSet. check_intersection(Orig, Mutated, M) -> - OrigSet = M:from_list(Orig), - MutatedSet = M:from_list(Mutated), + OrigSet = M(from_list, Orig), + MutatedSet = M(from_list, Mutated), Intersection = [El || El <- Mutated, not is_tuple(El)], SortedIntersection = lists:usort(Intersection), - IntersectionSet = M:intersection(OrigSet, MutatedSet), - true = M:equal(IntersectionSet, M:from_list(SortedIntersection)), - SortedIntersection = lists:sort(M:to_list(IntersectionSet)), + IntersectionSet = M(intersection, {OrigSet,MutatedSet}), + true = M(equal, {IntersectionSet,M(from_list, SortedIntersection)}), + SortedIntersection = lists:sort(M(to_list, IntersectionSet)), IntersectionSet. @@ -239,63 +239,63 @@ union(Config) when is_list(Config) -> test_all([{1,71},{125,129},{254,259},{510,513},{1023,1025}], fun union_1/2). union_1(List, M) -> - ?line S = M:from_list(List), + S = M(from_list, List), %% Union with self and empty. - ?line Empty = M:empty(), - ?line true = M:equal(S, M:union(S, S)), - ?line true = M:equal(S, M:union([S,S])), - ?line true = M:equal(S, M:union([S,S,Empty])), - ?line true = M:equal(S, M:union([S,Empty,S])), - ?line true = M:equal(S, M:union(S, Empty)), - ?line true = M:equal(S, M:union([S])), - ?line true = M:is_empty(M:union([])), + Empty = M(empty, []), + true = M(equal, {S,M(union, {S,S})}), + true = M(equal, {S,M(union, [S,S])}), + true = M(equal, {S,M(union, [S,S,Empty])}), + true = M(equal, {S,M(union, [S,Empty,S])}), + true = M(equal, {S,M(union, {S,Empty})}), + true = M(equal, {S,M(union, [S])}), + true = M(is_empty, M(union, [])), %% Partial overlap. - ?line check_union(List, remove_some(mutate_some(List), 0.9), M), - ?line check_union(List, remove_some(mutate_some(List), 0.7), M), - ?line check_union(List, remove_some(mutate_some(List), 0.5), M), - ?line check_union(List, remove_some(mutate_some(List), 0.3), M), - ?line check_union(List, remove_some(mutate_some(List), 0.1), M), - - ?line check_union(List, mutate_some(remove_some(List, 0.9)), M), - ?line check_union(List, mutate_some(remove_some(List, 0.7)), M), - ?line check_union(List, mutate_some(remove_some(List, 0.5)), M), - ?line check_union(List, mutate_some(remove_some(List, 0.3)), M), - ?line check_union(List, mutate_some(remove_some(List, 0.1)), M). + check_union(List, remove_some(mutate_some(List), 0.9), M), + check_union(List, remove_some(mutate_some(List), 0.7), M), + check_union(List, remove_some(mutate_some(List), 0.5), M), + check_union(List, remove_some(mutate_some(List), 0.3), M), + check_union(List, remove_some(mutate_some(List), 0.1), M), + + check_union(List, mutate_some(remove_some(List, 0.9)), M), + check_union(List, mutate_some(remove_some(List, 0.7)), M), + check_union(List, mutate_some(remove_some(List, 0.5)), M), + check_union(List, mutate_some(remove_some(List, 0.3)), M), + check_union(List, mutate_some(remove_some(List, 0.1)), M). check_union(Orig, Other, M) -> - OrigSet = M:from_list(Orig), - OtherSet = M:from_list(Other), + OrigSet = M(from_list, Orig), + OtherSet = M(from_list, Other), Union = Orig++Other, SortedUnion = lists:usort(Union), - UnionSet = M:union(OrigSet, OtherSet), - SortedUnion = lists:sort(M:to_list(UnionSet)), - M:equal(UnionSet, M:from_list(Union)), + UnionSet = M(union, {OrigSet,OtherSet}), + SortedUnion = lists:sort(M(to_list, UnionSet)), + M(equal, {UnionSet,M(from_list, Union)}), UnionSet. is_subset(Config) when is_list(Config) -> test_all([{1,132},{253,270},{299,311}], fun is_subset_1/2). is_subset_1(List, M) -> - ?line S = M:from_list(List), - ?line Empty = M:empty(), + S = M(from_list, List), + Empty = M(empty, []), %% Subset of empty and self. - ?line true = M:is_subset(Empty, Empty), - ?line true = M:is_subset(Empty, S), - ?line false = M:is_subset(S, Empty), - ?line true = M:is_subset(S, S), + true = M(is_subset, {Empty,Empty}), + true = M(is_subset, {Empty,S}), + false = M(is_subset, {S,Empty}), + true = M(is_subset, {S,S}), %% Other cases. - Res = [?line false = M:is_subset(M:singleton(make_ref()), S), - ?line true = M:is_subset(M:singleton(hd(List)), S), - ?line true = check_subset(remove_some(List, 0.1), List, M), - ?line true = check_subset(remove_some(List, 0.5), List, M), - ?line true = check_subset(remove_some(List, 0.9), List, M), - ?line check_subset(mutate_some(List), List, M), - ?line check_subset(rnd_list(length(List) div 2 + 5), List, M), - ?line subtract_check(List, rnd_list(length(List) div 7 + 9), M) + Res = [false = M(is_subset, {M(singleton, make_ref()),S}), + true = M(is_subset, {M(singleton, hd(List)),S}), + true = check_subset(remove_some(List, 0.1), List, M), + true = check_subset(remove_some(List, 0.5), List, M), + true = check_subset(remove_some(List, 0.9), List, M), + check_subset(mutate_some(List), List, M), + check_subset(rnd_list(length(List) div 2 + 5), List, M), + subtract_check(List, rnd_list(length(List) div 7 + 9), M) ], res_to_set(Res, M, 0, []). @@ -304,12 +304,12 @@ check_subset(X, Y, M) -> check_one_subset(X, Y, M). check_one_subset(X, Y, M) -> - XSet = M:from_list(X), - YSet = M:from_list(Y), + XSet = M(from_list, X), + YSet = M(from_list, Y), SortedX = lists:usort(X), SortedY = lists:usort(Y), IsSubSet = length(SortedY--SortedX) =:= length(SortedY) - length(SortedX), - IsSubSet = M:is_subset(XSet, YSet), + IsSubSet = M(is_subset, {XSet,YSet}), IsSubSet. %% Encode all test results as a set to return. @@ -317,54 +317,54 @@ res_to_set([true|T], M, I, Acc) -> res_to_set(T, M, I+1, [I|Acc]); res_to_set([_|T], M, I, Acc) -> res_to_set(T, M, I+1, Acc); -res_to_set([], M, _, Acc) -> M:from_list(Acc). +res_to_set([], M, _, Acc) -> M(from_list, Acc). is_set(Config) when is_list(Config) -> %% is_set/1 is tested in the other test cases when its argument %% is a set. Here test some arguments that makes it return false. - ?line false = gb_sets:is_set([a,b]), - ?line false = gb_sets:is_set({a,very,bad,tuple}), + false = gb_sets:is_set([a,b]), + false = gb_sets:is_set({a,very,bad,tuple}), - ?line false = sets:is_set([a,b]), - ?line false = sets:is_set({a,very,bad,tuple}), + false = sets:is_set([a,b]), + false = sets:is_set({a,very,bad,tuple}), - ?line false = ordsets:is_set([b,a]), - ?line false = ordsets:is_set({bad,tuple}), + false = ordsets:is_set([b,a]), + false = ordsets:is_set({bad,tuple}), %% Now test values that are known to be bad for all set representations. test_all(fun is_set_1/1). is_set_1(M) -> - ?line false = M:is_set(self()), - ?line false = M:is_set(blurf), - ?line false = M:is_set(make_ref()), - ?line false = M:is_set(<<1,2,3>>), - ?line false = M:is_set(42), - ?line false = M:is_set(math:pi()), - ?line false = M:is_set({}), - M:empty(). + false = M(is_set, self()), + false = M(is_set, blurf), + false = M(is_set, make_ref()), + false = M(is_set, <<1,2,3>>), + false = M(is_set, 42), + false = M(is_set, math:pi()), + false = M(is_set, {}), + M(empty, []). fold(Config) when is_list(Config) -> test_all([{0,71},{125,129},{254,259},{510,513},{1023,1025},{9999,10001}], fun fold_1/2). fold_1(List, M) -> - ?line S = M:from_list(List), - ?line L = M:fold(fun(E, A) -> [E|A] end, [], S), - ?line true = lists:sort(L) =:= lists:usort(List), - M:empty(). + S = M(from_list, List), + L = M(fold, {fun(E, A) -> [E|A] end,[],S}), + true = lists:sort(L) =:= lists:usort(List), + M(empty, []). filter(Config) when is_list(Config) -> test_all([{0,69},{126,130},{254,259},{510,513},{1023,1025},{7999,8000}], fun filter_1/2). filter_1(List, M) -> - ?line S = M:from_list(List), + S = M(from_list, List), IsNumber = fun(X) -> is_number(X) end, - ?line M:equal(M:from_list(lists:filter(IsNumber, List)), - M:filter(IsNumber, S)), - ?line M:filter(fun(X) -> is_atom(X) end, S). + M(equal, {M(from_list, lists:filter(IsNumber, List)), + M(filter, {IsNumber,S})}), + M(filter, {fun(X) -> is_atom(X) end,S}). %%% %%% Test specifics for gb_sets. @@ -375,26 +375,26 @@ take_smallest(Config) when is_list(Config) -> fun take_smallest_1/2). take_smallest_1(List, M) -> - case M:module() of + case M(module, []) of gb_sets -> take_smallest_2(List, M); _ -> ok end, - M:empty(). + M(empty, []). take_smallest_2(List0, M) -> - ?line List = lists:usort(List0), - ?line S = M:from_list(List0), + List = lists:usort(List0), + S = M(from_list, List0), take_smallest_3(S, List, M). take_smallest_3(S0, List0, M) -> - case M:is_empty(S0) of + case M(is_empty, S0) of true -> ok; false -> - ?line Smallest = hd(List0), - ?line Smallest = gb_sets:smallest(S0), - ?line {Smallest,S} = gb_sets:take_smallest(S0), - ?line List = tl(List0), - ?line true = gb_sets:to_list(S) =:= List, + Smallest = hd(List0), + Smallest = gb_sets:smallest(S0), + {Smallest,S} = gb_sets:take_smallest(S0), + List = tl(List0), + true = gb_sets:to_list(S) =:= List, take_smallest_3(S, List, M) end. @@ -403,26 +403,26 @@ take_largest(Config) when is_list(Config) -> fun take_largest_1/2). take_largest_1(List, M) -> - case M:module() of + case M(module, []) of gb_sets -> take_largest_2(List, M); _ -> ok end, - M:empty(). + M(empty, []). take_largest_2(List0, M) -> - ?line List = reverse(lists:usort(List0)), - ?line S = M:from_list(List0), + List = reverse(lists:usort(List0)), + S = M(from_list, List0), take_largest_3(S, List, M). take_largest_3(S0, List0, M) -> - case M:is_empty(S0) of + case M(is_empty, S0) of true -> ok; false -> - ?line Largest = hd(List0), - ?line Largest = gb_sets:largest(S0), - ?line {Largest,S} = gb_sets:take_largest(S0), - ?line List = tl(List0), - ?line true = gb_sets:to_list(S) =:= reverse(List), + Largest = hd(List0), + Largest = gb_sets:largest(S0), + {Largest,S} = gb_sets:take_largest(S0), + List = tl(List0), + true = gb_sets:to_list(S) =:= reverse(List), take_largest_3(S, List, M) end. @@ -441,23 +441,23 @@ sets_mods() -> [Ordsets,Sets,Gb]. test_all(Tester) -> - ?line Res = [begin - random:seed(1, 2, 42), - S = Tester(M), - {M:size(S),lists:sort(M:to_list(S))} - end || M <- sets_mods()], - ?line all_same(Res). + Res = [begin + random:seed(1, 2, 42), + S = Tester(M), + {M(size, S),lists:sort(M(to_list, S))} + end || M <- sets_mods()], + all_same(Res). test_all([{Low,High}|T], Tester) -> test_all(lists:seq(Low, High)++T, Tester); test_all([Sz|T], Tester) when is_integer(Sz) -> List = rnd_list(Sz), - ?line Res = [begin + Res = [begin random:seed(19, 2, Sz), S = Tester(List, M), - {M:size(S),lists:sort(M:to_list(S))} + {M(size, S),lists:sort(M(to_list, S))} end || M <- sets_mods()], - ?line all_same(Res), + all_same(Res), test_all(T, Tester); test_all([], _) -> ok. diff --git a/lib/stdlib/test/sets_test_lib.erl b/lib/stdlib/test/sets_test_lib.erl index bdfb0d59d2..fd4ec2bac3 100644 --- a/lib/stdlib/test/sets_test_lib.erl +++ b/lib/stdlib/test/sets_test_lib.erl @@ -17,91 +17,89 @@ %% %CopyrightEnd% %% --module(sets_test_lib, [Mod,Equal]). - --export([module/0,equal/2,empty/0,from_list/1,to_list/1,singleton/1, - add_element/2,del_element/2,size/1,is_empty/1,is_set/1, - intersection/1,intersection/2,subtract/2, - union/1,union/2,is_subset/2,fold/3,filter/2]). - -module() -> - Mod. - -equal(X, Y) -> - Equal(X, Y). - -empty() -> - Mod:new(). - -from_list(L) -> - Mod:from_list(L). - -to_list(S) -> - Mod:to_list(S). +-module(sets_test_lib). + +-export([new/2]). + +new(Mod, Eq) -> + fun (add_element, {El,S}) -> add_element(Mod, El, S); + (del_element, {El,S}) -> del_element(Mod, El, S); + (empty, []) -> Mod:new(); + (equal, {S1,S2}) -> Eq(S1, S2); + (filter, {F,S}) -> filter(Mod, F, S); + (fold, {F,A,S}) -> fold(Mod, F, A, S); + (from_list, L) -> Mod:from_list(L); + (intersection, {S1,S2}) -> intersection(Mod, Eq, S1, S2); + (intersection, Ss) -> intersection(Mod, Eq, Ss); + (is_empty, S) -> is_empty(Mod, S); + (is_set, S) -> Mod:is_set(S); + (is_subset, {S,Set}) -> is_subset(Mod, Eq, S, Set); + (module, []) -> Mod; + (singleton, E) -> singleton(Mod, E); + (size, S) -> Mod:size(S); + (subtract, {S1,S2}) -> subtract(Mod, S1, S2); + (to_list, S) -> Mod:to_list(S); + (union, {S1,S2}) -> union(Mod, Eq, S1, S2); + (union, Ss) -> union(Mod, Eq, Ss) + end. -singleton(E) -> +singleton(Mod, E) -> case erlang:function_exported(Mod, singleton, 1) of true -> Mod:singleton(E); - false -> from_list([E]) + false -> Mod:from_list([E]) end. -add_element(El, S0) -> +add_element(Mod, El, S0) -> S = Mod:add_element(El, S0), true = Mod:is_element(El, S), - false = is_empty(S), + false = is_empty(Mod, S), true = Mod:is_set(S), S. -del_element(El, S0) -> +del_element(Mod, El, S0) -> S = Mod:del_element(El, S0), false = Mod:is_element(El, S), true = Mod:is_set(S), S. -size(S) -> - Mod:size(S). - -is_empty(S) -> +is_empty(Mod, S) -> true = Mod:is_set(S), case erlang:function_exported(Mod, is_empty, 1) of true -> Mod:is_empty(S); false -> Mod:size(S) == 0 end. -is_set(S) -> - Mod:is_set(S). - -intersection(S1, S2) -> +intersection(Mod, Equal, S1, S2) -> S = Mod:intersection(S1, S2), true = Equal(S, Mod:intersection(S2, S1)), - Disjoint = is_empty(S), + Disjoint = is_empty(Mod, S), Disjoint = Mod:is_disjoint(S1, S2), Disjoint = Mod:is_disjoint(S2, S1), S. -intersection(Ss) -> +intersection(Mod, Equal, Ss) -> S = Mod:intersection(Ss), true = Equal(S, Mod:intersection(lists:reverse(Ss))), S. -subtract(S1, S2) -> +subtract(Mod, S1, S2) -> S = Mod:subtract(S1, S2), true = Mod:is_set(S), true = Mod:size(S) =< Mod:size(S1), S. -union(S1, S2) -> +union(Mod, Equal, S1, S2) -> S = Mod:union(S1, S2), true = Equal(S, Mod:union(S2, S1)), true = Mod:is_set(S), S. -union(Ss) -> +union(Mod, Equal, Ss) -> S = Mod:union(Ss), true = Equal(S, Mod:union(lists:reverse(Ss))), S. -is_subset(S, Set) -> +is_subset(Mod, Equal, S, Set) -> case Mod:is_subset(S, Set) of false -> false; true -> @@ -115,10 +113,10 @@ is_subset(S, Set) -> true end. -fold(F, A, S) -> +fold(Mod, F, A, S) -> true = Mod:is_set(S), Mod:fold(F, A, S). -filter(F, S) -> +filter(Mod, F, S) -> true = Mod:is_set(S), Mod:filter(F, S). |