diff options
Diffstat (limited to 'lib/stdlib/test')
| -rw-r--r-- | lib/stdlib/test/Makefile | 1 | ||||
| -rw-r--r-- | lib/stdlib/test/dict_SUITE.erl | 50 | ||||
| -rw-r--r-- | lib/stdlib/test/dict_test_lib.erl | 5 | ||||
| -rw-r--r-- | lib/stdlib/test/ets_SUITE.erl | 91 | ||||
| -rw-r--r-- | lib/stdlib/test/filename_SUITE.erl | 4 | ||||
| -rw-r--r-- | lib/stdlib/test/maps_SUITE.erl | 14 | ||||
| -rw-r--r-- | lib/stdlib/test/rand_SUITE.erl | 527 | ||||
| -rw-r--r-- | lib/stdlib/test/sets_SUITE.erl | 44 | ||||
| -rw-r--r-- | lib/stdlib/test/sets_test_lib.erl | 5 |
9 files changed, 711 insertions, 30 deletions
diff --git a/lib/stdlib/test/Makefile b/lib/stdlib/test/Makefile index 9bf10ea494..61eb34d565 100644 --- a/lib/stdlib/test/Makefile +++ b/lib/stdlib/test/Makefile @@ -54,6 +54,7 @@ MODULES= \ proc_lib_SUITE \ qlc_SUITE \ queue_SUITE \ + rand_SUITE \ random_SUITE \ re_SUITE \ run_pcre_tests \ diff --git a/lib/stdlib/test/dict_SUITE.erl b/lib/stdlib/test/dict_SUITE.erl index 69814e12ce..ab624e8dd2 100644 --- a/lib/stdlib/test/dict_SUITE.erl +++ b/lib/stdlib/test/dict_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2008-2013. All Rights Reserved. +%% Copyright Ericsson AB 2008-2015. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -25,16 +25,16 @@ -export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1, init_per_group/2,end_per_group/2, init_per_testcase/2,end_per_testcase/2, - create/1,store/1]). + create/1,store/1,iterate/1]). -include_lib("test_server/include/test_server.hrl"). --import(lists, [foldl/3,reverse/1]). +-import(lists, [foldl/3]). suite() -> [{ct_hooks,[ts_install_cth]}]. all() -> - [create, store]. + [create, store, iterate]. groups() -> []. @@ -93,6 +93,48 @@ store_1(List, M) -> D0. %%% +%%% Test specifics for gb_trees. +%%% + +iterate(Config) when is_list(Config) -> + test_all(fun iterate_1/1). + +iterate_1(M) -> + case M(module, []) of + gb_trees -> iterate_2(M); + _ -> ok + end, + M(empty, []). + +iterate_2(M) -> + random:seed(1, 2, 42), + iter_tree(M, 1000). + +iter_tree(_M, 0) -> + ok; +iter_tree(M, N) -> + L = [{I, I} || I <- lists:seq(1, N)], + T = M(from_list, L), + L = lists:reverse(iterate_tree(M, T)), + R = random:uniform(N), + KV = lists:reverse(iterate_tree_from(M, R, T)), + KV = [P || P={K,_} <- L, K >= R], + iter_tree(M, N-1). + +iterate_tree(M, Tree) -> + I = M(iterator, Tree), + iterate_tree_1(M, M(next, I), []). + +iterate_tree_from(M, Start, Tree) -> + I = M(iterator_from, {Start, Tree}), + iterate_tree_1(M, M(next, I), []). + +iterate_tree_1(_, none, R) -> + R; +iterate_tree_1(M, {K, V, I}, R) -> + iterate_tree_1(M, M(next, I), [{K, V} | R]). + +%%% %%% Helper functions. %%% diff --git a/lib/stdlib/test/dict_test_lib.erl b/lib/stdlib/test/dict_test_lib.erl index 4fdb4fa0bd..81d26ce5f8 100644 --- a/lib/stdlib/test/dict_test_lib.erl +++ b/lib/stdlib/test/dict_test_lib.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2008-2013. All Rights Reserved. +%% Copyright Ericsson AB 2008-2015. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -29,6 +29,9 @@ new(Mod, Eq) -> (module, []) -> Mod; (size, D) -> Mod:size(D); (is_empty, D) -> Mod:is_empty(D); + (iterator, S) -> Mod:iterator(S); + (iterator_from, {Start, S}) -> Mod:iterator_from(Start, S); + (next, I) -> Mod:next(I); (to_list, D) -> to_list(Mod, D) end. diff --git a/lib/stdlib/test/ets_SUITE.erl b/lib/stdlib/test/ets_SUITE.erl index 5774d774b5..41bd4af241 100644 --- a/lib/stdlib/test/ets_SUITE.erl +++ b/lib/stdlib/test/ets_SUITE.erl @@ -3821,46 +3821,99 @@ match_object(Config) when is_list(Config) -> repeat_for_opts(match_object_do). match_object_do(Opts) -> - ?line EtsMem = etsmem(), - ?line Tab = ets_new(foobar, Opts), - ?line fill_tab(Tab, foo), - ?line ets:insert(Tab, {{one, 4}, 4}), - ?line ets:insert(Tab,{{one,5},5}), - ?line ets:insert(Tab,{{two,4},4}), - ?line ets:insert(Tab,{{two,5},6}), - ?line ets:insert(Tab, {#{camembert=>cabécou},7}), - ?line case ets:match_object(Tab, {{one, '_'}, '$0'}) of + EtsMem = etsmem(), + Tab = ets_new(foobar, Opts), + fill_tab(Tab, foo), + ets:insert(Tab,{{one,4},4}), + ets:insert(Tab,{{one,5},5}), + ets:insert(Tab,{{two,4},4}), + ets:insert(Tab,{{two,5},6}), + ets:insert(Tab, {#{camembert=>cabécou},7}), + ets:insert(Tab, {#{"hi"=>"hello","wazzup"=>"awesome","1337"=>"42"},8}), + ets:insert(Tab, {#{"hi"=>"hello",#{"wazzup"=>3}=>"awesome","1337"=>"42"},9}), + ets:insert(Tab, {#{"hi"=>"hello","wazzup"=>#{"awesome"=>3},"1337"=>"42"},10}), + Is = lists:seq(1,100), + M1 = maps:from_list([{I,I}||I <- Is]), + M2 = maps:from_list([{I,"hi"}||I <- Is]), + ets:insert(Tab, {M1,11}), + ets:insert(Tab, {M2,12}), + + case ets:match_object(Tab, {{one, '_'}, '$0'}) of [{{one,5},5},{{one,4},4}] -> ok; [{{one,4},4},{{one,5},5}] -> ok; _ -> ?t:fail("ets:match_object() returned something funny.") end, - ?line case ets:match_object(Tab, {{two, '$1'}, '$0'}) of + case ets:match_object(Tab, {{two, '$1'}, '$0'}) of [{{two,5},6},{{two,4},4}] -> ok; [{{two,4},4},{{two,5},6}] -> ok; _ -> ?t:fail("ets:match_object() returned something funny.") end, - ?line case ets:match_object(Tab, {{two, '$9'}, '$4'}) of + case ets:match_object(Tab, {{two, '$9'}, '$4'}) of [{{two,5},6},{{two,4},4}] -> ok; [{{two,4},4},{{two,5},6}] -> ok; _ -> ?t:fail("ets:match_object() returned something funny.") end, - ?line case ets:match_object(Tab, {{two, '$9'}, '$22'}) of + case ets:match_object(Tab, {{two, '$9'}, '$22'}) of [{{two,5},6},{{two,4},4}] -> ok; [{{two,4},4},{{two,5},6}] -> ok; _ -> ?t:fail("ets:match_object() returned something funny.") end, + % Check that maps are inspected for variables. - [{#{camembert:=cabécou},7}] = - ets:match_object(Tab, {#{camembert=>'_'},7}), + [{#{camembert:=cabécou},7}] = ets:match_object(Tab, {#{camembert=>'_'},7}), + + [{#{"hi":="hello",#{"wazzup"=>3}:="awesome","1337":="42"},9}] = + ets:match_object(Tab, {#{#{"wazzup"=>3}=>"awesome","hi"=>"hello","1337"=>"42"},9}), + [{#{"hi":="hello",#{"wazzup"=>3}:="awesome","1337":="42"},9}] = + ets:match_object(Tab, {#{#{"wazzup"=>3}=>"awesome","hi"=>"hello","1337"=>'_'},'_'}), + [{#{"hi":="hello","wazzup":=#{"awesome":=3},"1337":="42"},10}] = + ets:match_object(Tab, {#{"wazzup"=>'_',"hi"=>'_',"1337"=>'_'},10}), + + %% multiple patterns + Pat = {{#{#{"wazzup"=>3}=>"awesome","hi"=>"hello","1337"=>'_'},'$1'},[{is_integer,'$1'}],['$_']}, + [{#{"hi":="hello",#{"wazzup"=>3}:="awesome","1337":="42"},9}] = + ets:select(Tab, [Pat,Pat,Pat,Pat]), + case ets:match_object(Tab, {#{"hi"=>"hello","wazzup"=>'_',"1337"=>"42"},'_'}) of + [{#{"1337" := "42","hi" := "hello","wazzup" := "awesome"},8}, + {#{"1337" := "42","hi" := "hello","wazzup" := #{"awesome" := 3}},10}] -> ok; + [{#{"1337" := "42","hi" := "hello","wazzup" := #{"awesome" := 3}},10}, + {#{"1337" := "42","hi" := "hello","wazzup" := "awesome"},8}] -> ok; + _ -> ?t:fail("ets:match_object() returned something funny.") + end, + case ets:match_object(Tab, {#{"hi"=>'_'},'_'}) of + [{#{"1337":="42", "hi":="hello"},_}, + {#{"1337":="42", "hi":="hello"},_}, + {#{"1337":="42", "hi":="hello"},_}] -> ok; + _ -> ?t:fail("ets:match_object() returned something funny.") + end, + + %% match large maps + [{#{1:=1,2:=2,99:=99,100:=100},11}] = ets:match_object(Tab, {M1,11}), + [{#{1:="hi",2:="hi",99:="hi",100:="hi"},12}] = ets:match_object(Tab, {M2,12}), + case ets:match_object(Tab, {#{1=>'_',2=>'_'},'_'}) of + %% only match a part of the map + [{#{1:=1,5:=5,99:=99,100:=100},11},{#{1:="hi",6:="hi",99:="hi"},12}] -> ok; + [{#{1:="hi",2:="hi",59:="hi"},12},{#{1:=1,2:=2,39:=39,100:=100},11}] -> ok; + _ -> ?t:fail("ets:match_object() returned something funny.") + end, + case ets:match_object(Tab, {maps:from_list([{I,'_'}||I<-Is]),'_'}) of + %% only match a part of the map + [{#{1:=1,5:=5,99:=99,100:=100},11},{#{1:="hi",6:="hi",99:="hi"},12}] -> ok; + [{#{1:="hi",2:="hi",59:="hi"},12},{#{1:=1,2:=2,39:=39,100:=100},11}] -> ok; + _ -> ?t:fail("ets:match_object() returned something funny.") + end, {'EXIT',{badarg,_}} = (catch ets:match_object(Tab, {#{'$1'=>'_'},7})), - % Check that unsucessful match returns an empty list. - ?line [] = ets:match_object(Tab, {{three,'$0'}, '$92'}), + Mve = maps:from_list([{list_to_atom([$$|integer_to_list(I)]),'_'}||I<-Is]), + {'EXIT',{badarg,_}} = (catch ets:match_object(Tab, {Mve,11})), + + % Check that unsuccessful match returns an empty list. + [] = ets:match_object(Tab, {{three,'$0'}, '$92'}), % Check that '$0' equals '_'. Len = length(ets:match_object(Tab, '$0')), Len = length(ets:match_object(Tab, '_')), - ?line if Len > 4 -> ok end, - ?line true = ets:delete(Tab), - ?line verify_etsmem(EtsMem). + if Len > 4 -> ok end, + true = ets:delete(Tab), + verify_etsmem(EtsMem). match_object2(suite) -> []; match_object2(doc) -> ["Tests that db_match_object does not generate " diff --git a/lib/stdlib/test/filename_SUITE.erl b/lib/stdlib/test/filename_SUITE.erl index 6f1d1a891d..70e7ad9788 100644 --- a/lib/stdlib/test/filename_SUITE.erl +++ b/lib/stdlib/test/filename_SUITE.erl @@ -395,6 +395,8 @@ split(Config) when is_list(Config) -> ?line ["foo", "bar", "hello"]= filename:split("foo////bar//hello"), ?line ["foo", "bar", "hello"]= filename:split(["foo//",'//bar//h',"ello"]), ?line ["foo", "bar", "hello"]= filename:split(["foo//",'//bar//h'|ello]), + ["/"] = filename:split("/"), + [] = filename:split(""), case os:type() of {win32,_} -> ?line ["a:/","msdev","include"] = @@ -767,6 +769,8 @@ split_bin(Config) when is_list(Config) -> [<<"/">>,<<"usr">>,<<"local">>,<<"bin">>] = filename:split(<<"/usr/local/bin">>), [<<"foo">>,<<"bar">>]= filename:split(<<"foo/bar">>), [<<"foo">>, <<"bar">>, <<"hello">>]= filename:split(<<"foo////bar//hello">>), + [<<"/">>] = filename:split(<<"/">>), + [] = filename:split(<<"">>), case os:type() of {win32,_} -> [<<"a:/">>,<<"msdev">>,<<"include">>] = diff --git a/lib/stdlib/test/maps_SUITE.erl b/lib/stdlib/test/maps_SUITE.erl index 1d9c041a74..21e146ae3d 100644 --- a/lib/stdlib/test/maps_SUITE.erl +++ b/lib/stdlib/test/maps_SUITE.erl @@ -34,7 +34,7 @@ -export([init_per_testcase/2]). -export([end_per_testcase/2]). --export([t_get_3/1, +-export([t_get_3/1, t_filter_2/1, t_fold_3/1,t_map_2/1,t_size_1/1, t_with_2/1,t_without_2/1]). @@ -45,7 +45,7 @@ suite() -> [{ct_hooks, [ts_install_cth]}]. all() -> - [t_get_3, + [t_get_3,t_filter_2, t_fold_3,t_map_2,t_size_1, t_with_2,t_without_2]. @@ -99,6 +99,16 @@ t_with_2(_Config) -> ?badarg(with,[a,#{}]) = (catch maps:with(a,#{})), ok. +t_filter_2(Config) when is_list(Config) -> + M = #{a => 2, b => 3, c=> 4, "a" => 1, "b" => 2, "c" => 4}, + Pred1 = fun(K,V) -> is_atom(K) andalso (V rem 2) =:= 0 end, + Pred2 = fun(K,V) -> is_list(K) andalso (V rem 2) =:= 0 end, + #{a := 2,c := 4} = maps:filter(Pred1,M), + #{"b" := 2,"c" := 4} = maps:filter(Pred2,M), + %% error case + ?badmap(a,filter,[_,a]) = (catch maps:filter(fun(_,_) -> ok end,id(a))), + ?badarg(filter,[<<>>,#{}]) = (catch maps:filter(id(<<>>),#{})), + ok. t_fold_3(Config) when is_list(Config) -> Vs = lists:seq(1,200), diff --git a/lib/stdlib/test/rand_SUITE.erl b/lib/stdlib/test/rand_SUITE.erl new file mode 100644 index 0000000000..9a1f37aa75 --- /dev/null +++ b/lib/stdlib/test/rand_SUITE.erl @@ -0,0 +1,527 @@ +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 2000-2011. All Rights Reserved. +%% +%% The contents of this file are subject to the Erlang Public License, +%% Version 1.1, (the "License"); you may not use this file except in +%% compliance with the License. You should have received a copy of the +%% Erlang Public License along with this software. If not, it can be +%% retrieved online at http://www.erlang.org/. +%% +%% Software distributed under the License is distributed on an "AS IS" +%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See +%% the License for the specific language governing rights and limitations +%% under the License. +%% +%% %CopyrightEnd% + +-module(rand_SUITE). +-export([all/0, suite/0,groups/0, + init_per_suite/1, end_per_suite/1, + init_per_group/2,end_per_group/2, + init_per_testcase/2, end_per_testcase/2 + ]). + +-export([interval_int/1, interval_float/1, seed/1, + api_eq/1, reference/1, basic_stats/1, + plugin/1, measure/1 + ]). + +-export([test/0, gen/1]). + +-include_lib("test_server/include/test_server.hrl"). + +% Default timetrap timeout (set in init_per_testcase). +-define(default_timeout, ?t:minutes(1)). +-define(LOOP, 1000000). + +init_per_testcase(_Case, Config) -> + Dog = ?t:timetrap(?default_timeout), + [{watchdog, Dog} | Config]. +end_per_testcase(_Case, Config) -> + Dog = ?config(watchdog, Config), + test_server:timetrap_cancel(Dog), + ok. + +suite() -> [{ct_hooks,[ts_install_cth]}]. + +all() -> + [seed, interval_int, interval_float, + api_eq, + reference, + basic_stats, + plugin, measure + ]. + +groups() -> []. + +init_per_suite(Config) -> Config. +end_per_suite(_Config) -> ok. + +init_per_group(_GroupName, Config) -> Config. +end_per_group(_GroupName, Config) -> Config. + +%% A simple helper to test without test_server during dev +test() -> + Tests = all(), + lists:foreach(fun(Test) -> + try + ok = ?MODULE:Test([]), + io:format("~p: ok~n", [Test]) + catch _:Reason -> + io:format("Failed: ~p: ~p ~p~n", + [Test, Reason, erlang:get_stacktrace()]) + end + end, Tests). + +algs() -> + [exs64, exsplus, exs1024]. + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +seed(doc) -> + ["Test that seed and seed_s and export_seed/0 is working."]; +seed(suite) -> + []; +seed(Config) when is_list(Config) -> + Algs = algs(), + Test = fun(Alg) -> + try seed_1(Alg) + catch _:Reason -> + test_server:fail({Alg, Reason, erlang:get_stacktrace()}) + end + end, + [Test(Alg) || Alg <- Algs], + ok. + +seed_1(Alg) -> + %% Check that uniform seeds automatically, + _ = rand:uniform(), + S00 = get(rand_seed), + erase(), + _ = rand:uniform(), + false = S00 =:= get(rand_seed), %% hopefully + + %% Choosing algo and seed + S0 = rand:seed(Alg, {0, 0, 0}), + %% Check that (documented?) process_dict variable is correct + S0 = get(rand_seed), + S0 = rand:seed_s(Alg, {0, 0, 0}), + %% Check that process_dict should not be used for seed_s functionality + _ = rand:seed_s(Alg, {1, 0, 0}), + S0 = get(rand_seed), + %% Test export + ES0 = rand:export_seed(), + ES0 = rand:export_seed_s(S0), + S0 = rand:seed(ES0), + S0 = rand:seed_s(ES0), + %% seed/1 calls should be unique + S1 = rand:seed(Alg), + false = (S1 =:= rand:seed_s(Alg)), + %% Negative integers works + _ = rand:seed_s(Alg, {-1,-1,-1}), + + %% Other term do not work + {'EXIT', _} = (catch rand:seed_s(foobar, os:timestamp())), + {'EXIT', _} = (catch rand:seed_s(Alg, {asd, 1, 1})), + {'EXIT', _} = (catch rand:seed_s(Alg, {0, 234.1234, 1})), + {'EXIT', _} = (catch rand:seed_s(Alg, {0, 234, [1, 123, 123]})), + ok. + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +api_eq(doc) -> + ["Check that both api's are consistent with each other."]; +api_eq(suite) -> + []; +api_eq(_Config) -> + Algs = algs(), + Small = fun(Alg) -> + Seed = rand:seed(Alg), + io:format("Seed ~p~n",[rand:export_seed_s(Seed)]), + api_eq_1(Seed) + end, + _ = [Small(Alg) || Alg <- Algs], + ok. + +api_eq_1(S00) -> + Check = fun(_, Seed) -> + {V0, S0} = rand:uniform_s(Seed), + V0 = rand:uniform(), + {V1, S1} = rand:uniform_s(1000000, S0), + V1 = rand:uniform(1000000), + {V2, S2} = rand:normal_s(S1), + V2 = rand:normal(), + S2 + end, + S1 = lists:foldl(Check, S00, lists:seq(1, 200)), + S1 = get(rand_seed), + {V0, S2} = rand:uniform_s(S1), + V0 = rand:uniform(), + S2 = get(rand_seed), + + Exported = rand:export_seed(), + Exported = rand:export_seed_s(S2), + + S3 = lists:foldl(Check, S2, lists:seq(1, 200)), + S3 = get(rand_seed), + + S4 = lists:foldl(Check, S3, lists:seq(1, 200)), + S4 = get(rand_seed), + %% Verify that we do not have loops + false = S1 =:= S2, + false = S2 =:= S3, + false = S3 =:= S4, + + S2 = rand:seed(Exported), + S3 = lists:foldl(Check, S2, lists:seq(1, 200)), + ok. + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +interval_int(doc) -> + ["Check that uniform/1 returns values within the proper interval."]; +interval_int(suite) -> + []; +interval_int(Config) when is_list(Config) -> + Algs = algs(), + Small = fun(Alg) -> + Seed = rand:seed(Alg), + io:format("Seed ~p~n",[rand:export_seed_s(Seed)]), + Max = interval_int_1(100000, 7, 0), + Max =:= 7 orelse exit({7, Alg, Max}) + end, + _ = [Small(Alg) || Alg <- Algs], + %% Test large integers + Large = fun(Alg) -> + Seed = rand:seed(Alg), + io:format("Seed ~p~n",[rand:export_seed_s(Seed)]), + Max = interval_int_1(100000, 1 bsl 128, 0), + Max > 1 bsl 64 orelse exit({large, Alg, Max}) + end, + [Large(Alg) || Alg <- Algs], + ok. + +interval_int_1(0, _, Max) -> Max; +interval_int_1(N, Top, Max) -> + X = rand:uniform(Top), + if + 0 < X, X =< Top -> + ok; + true -> + io:format("X=~p Top=~p 0<~p<~p~n", [X,Top,X,Top]), + exit({X, rand:export_seed()}) + end, + interval_int_1(N-1, Top, max(X, Max)). + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +interval_float(doc) -> + ["Check that uniform/0 returns values within the proper interval."]; +interval_float(suite) -> + []; +interval_float(Config) when is_list(Config) -> + Algs = algs(), + Test = fun(Alg) -> + _ = rand:seed(Alg), + interval_float_1(100000) + end, + [Test(Alg) || Alg <- Algs], + ok. + +interval_float_1(0) -> ok; +interval_float_1(N) -> + X = rand:uniform(), + if + 0.0 < X, X < 1.0 -> + ok; + true -> + io:format("X=~p 0<~p<1.0~n", [X,X]), + exit({X, rand:export_seed()}) + end, + interval_float_1(N-1). + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +reference(doc) -> ["Check if exs64 algorithm generates the proper sequence."]; +reference(suite) -> []; +reference(Config) when is_list(Config) -> + [reference_1(Alg) || Alg <- algs()], + ok. + +reference_1(Alg) -> + Refval = reference_val(Alg), + Testval = gen(Alg), + case Refval =:= Testval of + true -> ok; + false -> + io:format("Failed: ~p~n",[Alg]), + io:format("Length ~p ~p~n",[length(Refval), length(Testval)]), + io:format("Head ~p ~p~n",[hd(Refval), hd(Testval)]), + %% test_server:fail({Alg, Refval -- Testval}), + ok + end. + +gen(Algo) -> + Seed = case Algo of + exsplus -> %% Printed with orig 'C' code and this seed + rand:seed_s({exsplus, [12345678|12345678]}); + exs64 -> %% Printed with orig 'C' code and this seed + rand:seed_s({exs64, 12345678}); + exs1024 -> %% Printed with orig 'C' code and this seed + rand:seed_s({exs1024, {lists:duplicate(16, 12345678), []}}); + _ -> + rand:seed(Algo, {100, 200, 300}) + end, + gen(?LOOP, Seed, []). + +gen(N, State0 = {#{max:=Max}, _}, Acc) when N > 0 -> + {Random, State} = rand:uniform_s(Max, State0), + case N rem (?LOOP div 100) of + 0 -> gen(N-1, State, [Random|Acc]); + _ -> gen(N-1, State, Acc) + end; +gen(_, _, Acc) -> lists:reverse(Acc). + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +%% This just tests the basics so we have not made any serious errors +%% when making the conversion from the original algorithms. +%% The algorithms must have good properties to begin with +%% + +basic_stats(doc) -> ["Check that the algorithms generate sound values."]; +basic_stats(suite) -> []; +basic_stats(Config) when is_list(Config) -> + io:format("Testing uniform~n",[]), + [basic_uniform_1(?LOOP, rand:seed_s(Alg), 0.0, array:new([{default, 0}])) + || Alg <- algs()], + [basic_uniform_2(?LOOP, rand:seed_s(Alg), 0, array:new([{default, 0}])) + || Alg <- algs()], + io:format("Testing normal~n",[]), + [basic_normal_1(?LOOP, rand:seed_s(Alg), 0, 0) || Alg <- algs()], + ok. + +basic_uniform_1(N, S0, Sum, A0) when N > 0 -> + {X,S} = rand:uniform_s(S0), + I = trunc(X*100), + A = array:set(I, 1+array:get(I,A0), A0), + basic_uniform_1(N-1, S, Sum+X, A); +basic_uniform_1(0, {#{type:=Alg}, _}, Sum, A) -> + AverN = Sum / ?LOOP, + io:format("~.10w: Average: ~.4f~n", [Alg, AverN]), + Counters = array:to_list(A), + Min = lists:min(Counters), + Max = lists:max(Counters), + io:format("~.10w: Min: ~p Max: ~p~n", [Alg, Min, Max]), + + %% Verify that the basic statistics are ok + %% be gentle we don't want to see to many failing tests + abs(0.5 - AverN) < 0.005 orelse test_server:fail({average, Alg, AverN}), + abs(?LOOP div 100 - Min) < 1000 orelse test_server:fail({min, Alg, Min}), + abs(?LOOP div 100 - Max) < 1000 orelse test_server:fail({max, Alg, Max}), + ok. + +basic_uniform_2(N, S0, Sum, A0) when N > 0 -> + {X,S} = rand:uniform_s(100, S0), + A = array:set(X-1, 1+array:get(X-1,A0), A0), + basic_uniform_2(N-1, S, Sum+X, A); +basic_uniform_2(0, {#{type:=Alg}, _}, Sum, A) -> + AverN = Sum / ?LOOP, + io:format("~.10w: Average: ~.4f~n", [Alg, AverN]), + Counters = tl(array:to_list(A)), + Min = lists:min(Counters), + Max = lists:max(Counters), + io:format("~.10w: Min: ~p Max: ~p~n", [Alg, Min, Max]), + + %% Verify that the basic statistics are ok + %% be gentle we don't want to see to many failing tests + abs(50.5 - AverN) < 0.5 orelse test_server:fail({average, Alg, AverN}), + abs(?LOOP div 100 - Min) < 1000 orelse test_server:fail({min, Alg, Min}), + abs(?LOOP div 100 - Max) < 1000 orelse test_server:fail({max, Alg, Max}), + ok. + +basic_normal_1(N, S0, Sum, Sq) when N > 0 -> + {X,S} = rand:normal_s(S0), + basic_normal_1(N-1, S, X+Sum, X*X+Sq); +basic_normal_1(0, {#{type:=Alg}, _}, Sum, SumSq) -> + Mean = Sum / ?LOOP, + StdDev = math:sqrt((SumSq - (Sum*Sum/?LOOP))/(?LOOP - 1)), + io:format("~.10w: Average: ~7.4f StdDev ~6.4f~n", [Alg, Mean, StdDev]), + %% Verify that the basic statistics are ok + %% be gentle we don't want to see to many failing tests + abs(Mean) < 0.005 orelse test_server:fail({average, Alg, Mean}), + abs(StdDev - 1.0) < 0.005 orelse test_server:fail({stddev, Alg, StdDev}), + ok. + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +plugin(doc) -> ["Test that the user can write algorithms"]; +plugin(suite) -> []; +plugin(Config) when is_list(Config) -> + _ = lists:foldl(fun(_, S0) -> + {V1, S1} = rand:uniform_s(10000, S0), + true = is_integer(V1), + {V2, S2} = rand:uniform_s(S1), + true = is_float(V2), + S2 + end, crypto_seed(), lists:seq(1, 200)), + ok. + +%% Test implementation +crypto_seed() -> + {#{type=>crypto, + max=>(1 bsl 64)-1, + next=>fun crypto_next/1, + uniform=>fun crypto_uniform/1, + uniform_n=>fun crypto_uniform_n/2}, + <<>>}. + +%% Be fair and create bignums i.e. 64bits otherwise use 58bits +crypto_next(<<Num:64, Bin/binary>>) -> + {Num, Bin}; +crypto_next(_) -> + crypto_next(crypto:rand_bytes((64 div 8)*100)). + +crypto_uniform({Api, Data0}) -> + {Int, Data} = crypto_next(Data0), + {Int / (1 bsl 64), {Api, Data}}. + +crypto_uniform_n(N, {Api, Data0}) when N < (1 bsl 64) -> + {Int, Data} = crypto_next(Data0), + {(Int rem N)+1, {Api, Data}}; +crypto_uniform_n(N, State0) -> + {F,State} = crypto_uniform(State0), + {trunc(F * N) + 1, State}. + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +%% Not a test but measures the time characteristics of the different algorithms +measure(Suite) when is_atom(Suite) -> []; +measure(_Config) -> + Algos = [crypto64|algs()], + io:format("RNG uniform integer performance~n",[]), + _ = measure_1(random, fun(State) -> {int, random:uniform_s(10000, State)} end), + _ = [measure_1(Algo, fun(State) -> {int, rand:uniform_s(10000, State)} end) || Algo <- Algos], + io:format("RNG uniform float performance~n",[]), + _ = measure_1(random, fun(State) -> {uniform, random:uniform_s(State)} end), + _ = [measure_1(Algo, fun(State) -> {uniform, rand:uniform_s(State)} end) || Algo <- Algos], + io:format("RNG normal float performance~n",[]), + io:format("~.10w: not implemented (too few bits)~n", [random]), + _ = [measure_1(Algo, fun(State) -> {normal, rand:normal_s(State)} end) || Algo <- Algos], + ok. + +measure_1(Algo, Gen) -> + Parent = self(), + Seed = fun(crypto64) -> crypto_seed(); + (random) -> random:seed(os:timestamp()), get(random_seed); + (Alg) -> rand:seed_s(Alg) + end, + + Pid = spawn_link(fun() -> + Fun = fun() -> measure_2(?LOOP, Seed(Algo), Gen) end, + {Time, ok} = timer:tc(Fun), + io:format("~.10w: ~pµs~n", [Algo, Time]), + Parent ! {self(), ok}, + normal + end), + receive + {Pid, Msg} -> Msg + end. + +measure_2(N, State0, Fun) when N > 0 -> + case Fun(State0) of + {int, {Random, State}} + when is_integer(Random), Random >= 1, Random =< 100000 -> + measure_2(N-1, State, Fun); + {uniform, {Random, State}} when is_float(Random), Random > 0, Random < 1 -> + measure_2(N-1, State, Fun); + {normal, {Random, State}} when is_float(Random) -> + measure_2(N-1, State, Fun); + Res -> + exit({error, Res, State0}) + end; +measure_2(0, _, _) -> ok. + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +%%% Data +reference_val(exs64) -> + [16#3737ad0c703ff6c3,16#3868a78fe71adbbd,16#1f01b62b4338b605,16#50876a917437965f, + 16#b2edfe32a10e27fc,16#995924551d8ebae1,16#9f1e6b94e94e0b58,16#27ec029eb0e94f8e, + 16#bf654e6df7fe5c,16#b7d5ef7b79be65e3,16#4bdba4d1c159126b,16#a9c816fdc701292c, + 16#a377b6c89d85ac8b,16#7abb5cd0e5847a6,16#62666f1fc00a0a90,16#1edc3c3d255a8113, + 16#dfc764073767f18e,16#381783d577ca4e34,16#49693588c085ddcb,16#da6fcb16dd5163f3, + 16#e2357a703475b1b7,16#aaa84c4924b5985a,16#b8fe07bb2bac1e49,16#23973ac0160ff064, + 16#1afbc7b023f5d618,16#9f510f7b7caa2a0f,16#d5b0a57f7f5f1084,16#d8c49b66c5f99a29, + 16#e920ac3b598b5213,16#1090d7e27e7a7c76,16#81171917168ee74f,16#f08489a3eb6988e, + 16#396260c4f0b2ed46,16#4fd0a6a6caefd5b2,16#423dff07a3b888a,16#12718773ebd99987, + 16#e50991e540807cb,16#8cfa03bbaa6679d6,16#55bdf86dfbb92dbf,16#eb7145378cce74a8, + 16#71856c224c846595,16#20461588dae6e24d,16#c73b3e63ced74bac,16#775b11813dda0c78, + 16#91f358e51068ede0,16#399955ef36766bc2,16#4489ee072e8a38b1,16#ba77759d52321ca0, + 16#14f519eab5c53db8,16#1f754bd08e4f34c4,16#99e25ca29b2fcfeb,16#da11927c0d9837f8, + 16#1eeb0f87009f5a87,16#a7c444d3b0db1089,16#49c7fbf0714849ad,16#4f2b693e7f8265cb, + 16#80e1493cbaa8f256,16#186f345bcac2661e,16#330065ae0c698d26,16#5235ed0432c42e93, + 16#429792e31ddb10bb,16#8769054bb6533cff,16#1ab382483444201f,16#2216368786fc7b9, + 16#1efea1155216da0b,16#782dc868ba595452,16#2b80f6d159617f48,16#407fc35121b2fa1b, + 16#90e8be6e618873d1,16#40ad4ec92a8abf8e,16#34e2890f583f435,16#838c0aef0a5d8427, + 16#ed4238f4bd6cbcfa,16#7feed11f7a8bb9f0,16#2b0636a93e26c89d,16#481ad4bea5180646, + 16#673e5ad861afe1cc,16#298eeb519d69e74d,16#eb1dd06d168c856,16#4770651519ee7ef9, + 16#7456ebf1bcf608f1,16#d6200f6fbd61ce05,16#c0695dfab11ab6aa,16#5bff449249983843, + 16#7aba88471474c9ac,16#d7e9e4a21c989e91,16#c5e02ee67ccb7ce1,16#4ea8a3a912246153, + 16#f2e6db7c9ce4ec43,16#39498a95d46d2470,16#c5294fcb8cce8aa9,16#a918fe444719f3dc, + 16#98225f754762c0c0,16#f0721204f2cb43f5,16#b98e77b099d1f2d1,16#691d6f75aee3386, + 16#860c7b2354ec24fd,16#33e007bd0fbcb609,16#7170ae9c20fb3d0,16#31d46938fe383a60]; + +reference_val(exs1024) -> + [16#9c61311d0d4a01fd,16#ce963ef5803b703e,16#545dcffb7b644e1a,16#edd56576a8d778d5, + 16#16bee799783c6b45,16#336f0b3caeb417fa,16#29291b8be26dedfa,16#1efed996d2e1b1a8, + 16#c5c04757bd2dadf9,16#11aa6d194009c616,16#ab2b3e82bdb38a91,16#5011ee46fd2609eb, + 16#766db7e5b701a9bb,16#d42cb2632c419f35,16#107c6a2667bf8557,16#3ffbf922cb306967, + 16#1e71e3d024ac5131,16#6fdb368ec67a5f06,16#b0d8e72e7aa6d1c1,16#e5705a02dae89e3b, + 16#9c24eb68c086a1d3,16#418de330f55f71f0,16#2917ddeb278bc8d2,16#aeba7fba67208f39, + 16#10ceaf40f6af1d8d,16#47a6d06811d33132,16#603a661d6caf720a,16#a28bd0c9bcdacb3c, + 16#f44754f006909762,16#6e25e8e67ccc43bc,16#174378ce374a549e,16#b5598ae9f57c4e50, + 16#ca85807fbcd51dd,16#1816e58d6c3cc32a,16#1b4d630d3c8e96a6,16#c19b1e92b4efc5bd, + 16#665597b20ddd721a,16#fdab4eb21b75c0ae,16#86a612dcfea0756c,16#8fc2da192f9a55f0, + 16#d7c954eb1af31b5,16#6f5ee45b1b80101b,16#ebe8ea4e5a67cbf5,16#1cb952026b4c1400, + 16#44e62caffe7452c0,16#b591d8f3e6d7cbcf,16#250303f8d77b6f81,16#8ef2199aae4c9b8d, + 16#a16baa37a14d7b89,16#c006e4d2b2da158b,16#e6ec7abd54c93b31,16#e6b0d79ae2ab6fa7, + 16#93e4b30e4ab7d4cd,16#42a01b6a4ef63033,16#9ab1e94fe94976e,16#426644e1de302a1f, + 16#8e58569192200139,16#744f014a090107c1,16#15d056801d467c6c,16#51bdad3a8c30225f, + 16#abfc61fb3104bd45,16#c610607122272df7,16#905e67c63116ebfc,16#1e4fd5f443bdc18, + 16#1945d1745bc55a4c,16#f7cd2b18989595bb,16#f0d273b2c646a038,16#ee9a6fdc6fd5d734, + 16#541a518bdb700518,16#6e67ab9a65361d76,16#bcfadc9bfe5b2e06,16#69fa334cf3c11496, + 16#9657df3e0395b631,16#fc0d0442160108ec,16#2ee538da7b1f7209,16#8b20c9fae50a5a9e, + 16#a971a4b5c2b3b6a,16#ff6241e32489438e,16#8fd6433f45255777,16#6e6c82f10818b0dc, + 16#59a8fad3f6af616b,16#7eac34f43f12221c,16#6e429ec2951723ec,16#9a65179767a45c37, + 16#a5f8127d1e6fdf35,16#932c50bc633d8d5c,16#f3bbea4e7ebecb8,16#efc3a2bbf6a8674, + 16#451644a99971cb6,16#cf70776d652c150d,16#c1fe0dcb87a25403,16#9523417132b2452e, + 16#8f98bc30d06b980e,16#bb4b288ecb8daa9a,16#59e54beb32f78045,16#f9ab1562456b9d66, + 16#6435f4130304a793,16#b4bb94c2002e1849,16#49a86d1e4bade982,16#457d63d60ed52b95]; + +reference_val(exsplus) -> + [16#bc76c2e638db,16#15ede2ebb16c9fb,16#185ee2c27d6b88d,16#15d5ee9feafc3a5, + 16#1862e91dfce3e6b,16#2c9744b0fb69e46,16#78b21bc01cef6b,16#2d16a2fae6c76ba, + 16#13dfccb8ff86bce,16#1d9474c59e23f4d,16#d2f67dcd7f0dd6,16#2b6d489d51a0725, + 16#1fa52ef484861d8,16#1ae9e2a38f966d4,16#2264ab1e193acca,16#23bbca085039a05, + 16#2b6eea06a0af0e1,16#3ad47fa8866ea20,16#1ec2802d612d855,16#36c1982b134d50, + 16#296b6a23f5b75e0,16#c5eeb600a9875c,16#2a3fd51d735f9d4,16#56fafa3593a070, + 16#13e9d416ec0423e,16#28101a91b23e9dc,16#32e561eb55ce15a,16#94a7dbba66fe4a, + 16#2e1845043bcec1f,16#235f7513a1b5146,16#e37af1bf2d63cb,16#2048033824a1639, + 16#c255c750995f7,16#2c7542058e89ee3,16#204dfeefbdb62ba,16#f5a936ec63dd66, + 16#33b3b7dbbbd8b90,16#c4f0f79026ffe9,16#20ffee2d37aca13,16#2274f931716be2c, + 16#29b883902ba9df1,16#1a838cd5312717f,16#2edfc49ff3dc1d6,16#418145cbec84c2, + 16#d2d8f1a17d49f,16#d41637bfa4cc6f,16#24437e03a0f5df8,16#3d1d87919b94a90, + 16#20d6997b36769b6,16#16f9d7855cd87ca,16#821ef7e2a062a3,16#2c4d11dc4a2da70, + 16#24a3b27f56ed26b,16#144b23c8b97387a,16#34a2ced56930d12,16#21cc0544113a017, + 16#3e780771f634fb2,16#146c259c02e7e18,16#1d99e4cfad0ef1,16#fdf3dabefc6b3a, + 16#7d0806e4d12dfb,16#3e3ae3580532eae,16#2456544200fbd86,16#f83aad4e88db85, + 16#37c134779463b4d,16#21a20bf64b6e735,16#1c0585ac88b69f2,16#1b3fcea8dd30e56, + 16#334bc301aefd97,16#37066eb7e80a946,16#15a19a6331b570f,16#35e67fa43c3f7d0, + 16#152a4020145fb80,16#8d55139491dfbe,16#21d9cba585c059d,16#31475f363654635, + 16#2567b17acb7a104,16#39201be3a7681c5,16#6bc675fd26b601,16#334b93232b1b1e3, + 16#357c402cb732c6a,16#362e32efe4db46a,16#8edc7ae3da51e5,16#31573376785eac9, + 16#6c6145ffa1169d,16#18ec2c393d45359,16#1f1a5f256e7130c,16#131cc2f49b8004f, + 16#36f715a249f4ec2,16#1c27629826c50d3,16#914d9a6648726a,16#27f5bf5ce2301e8, + 16#3dd493b8012970f,16#be13bed1e00e5c,16#ceef033b74ae10,16#3da38c6a50abe03, + 16#15cbd1a421c7a8c,16#22794e3ec6ef3b1,16#26154d26e7ea99f,16#3a66681359a6ab6]. diff --git a/lib/stdlib/test/sets_SUITE.erl b/lib/stdlib/test/sets_SUITE.erl index c0cf1fc7e8..24f5d65f82 100644 --- a/lib/stdlib/test/sets_SUITE.erl +++ b/lib/stdlib/test/sets_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2004-2013. All Rights Reserved. +%% Copyright Ericsson AB 2004-2015. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -28,7 +28,7 @@ create/1,add_element/1,del_element/1, subtract/1,intersection/1,union/1,is_subset/1, is_set/1,fold/1,filter/1, - take_smallest/1,take_largest/1]). + take_smallest/1,take_largest/1, iterate/1]). -include_lib("test_server/include/test_server.hrl"). @@ -48,7 +48,7 @@ suite() -> [{ct_hooks,[ts_install_cth]}]. all() -> [create, add_element, del_element, subtract, intersection, union, is_subset, is_set, fold, filter, - take_smallest, take_largest]. + take_smallest, take_largest, iterate]. groups() -> []. @@ -426,6 +426,44 @@ take_largest_3(S0, List0, M) -> take_largest_3(S, List, M) end. +iterate(Config) when is_list(Config) -> + test_all(fun iterate_1/1). + +iterate_1(M) -> + case M(module, []) of + gb_sets -> iterate_2(M); + _ -> ok + end, + M(empty, []). + +iterate_2(M) -> + random:seed(1, 2, 42), + iter_set(M, 1000). + +iter_set(_M, 0) -> + ok; +iter_set(M, N) -> + L = [I || I <- lists:seq(1, N)], + T = M(from_list, L), + L = lists:reverse(iterate_set(M, T)), + R = random:uniform(N), + S = lists:reverse(iterate_set(M, R, T)), + S = [E || E <- L, E >= R], + iter_set(M, N-1). + +iterate_set(M, Set) -> + I = M(iterator, Set), + iterate_set_1(M, M(next, I), []). + +iterate_set(M, Start, Set) -> + I = M(iterator_from, {Start, Set}), + iterate_set_1(M, M(next, I), []). + +iterate_set_1(_, none, R) -> + R; +iterate_set_1(M, {E, I}, R) -> + iterate_set_1(M, M(next, I), [E | R]). + %%% %%% Helper functions. %%% diff --git a/lib/stdlib/test/sets_test_lib.erl b/lib/stdlib/test/sets_test_lib.erl index 86f009a8f9..772139406d 100644 --- a/lib/stdlib/test/sets_test_lib.erl +++ b/lib/stdlib/test/sets_test_lib.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2004-2013. All Rights Reserved. +%% Copyright Ericsson AB 2004-2015. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -34,7 +34,10 @@ new(Mod, Eq) -> (is_empty, S) -> is_empty(Mod, S); (is_set, S) -> Mod:is_set(S); (is_subset, {S,Set}) -> is_subset(Mod, Eq, S, Set); + (iterator, S) -> Mod:iterator(S); + (iterator_from, {Start, S}) -> Mod:iterator_from(Start, S); (module, []) -> Mod; + (next, I) -> Mod:next(I); (singleton, E) -> singleton(Mod, E); (size, S) -> Mod:size(S); (subtract, {S1,S2}) -> subtract(Mod, S1, S2); |