diff options
Diffstat (limited to 'lib/stdlib/test/ets_SUITE.erl')
| -rw-r--r-- | lib/stdlib/test/ets_SUITE.erl | 422 |
1 files changed, 310 insertions, 112 deletions
diff --git a/lib/stdlib/test/ets_SUITE.erl b/lib/stdlib/test/ets_SUITE.erl index 8dc8b2c291..fff6b11a38 100644 --- a/lib/stdlib/test/ets_SUITE.erl +++ b/lib/stdlib/test/ets_SUITE.erl @@ -47,6 +47,7 @@ -export([ordered/1, ordered_match/1, interface_equality/1, fixtable_next/1, fixtable_insert/1, rename/1, rename_unnamed/1, evil_rename/1, update_element/1, update_counter/1, evil_update_counter/1, partly_bound/1, match_heavy/1]). +-export([update_counter_with_default/1]). -export([member/1]). -export([memory/1]). -export([select_fail/1]). @@ -77,6 +78,7 @@ -export([otp_10182/1]). -export([ets_all/1]). -export([memory_check_summary/1]). +-export([take/1]). -export([init_per_testcase/2, end_per_testcase/2]). %% Convenience for manual testing @@ -98,7 +100,7 @@ misc1_do/1, safe_fixtable_do/1, info_do/1, dups_do/1, heavy_lookup_do/1, heavy_lookup_element_do/1, member_do/1, otp_5340_do/1, otp_7665_do/1, meta_wb_do/1, do_heavy_concurrent/1, tab2file2_do/2, exit_large_table_owner_do/2, - types_do/1, sleeper/0, memory_do/1, + types_do/1, sleeper/0, memory_do/1, update_counter_with_default_do/1, ms_tracee_dummy/1, ms_tracee_dummy/2, ms_tracee_dummy/3, ms_tracee_dummy/4 ]). @@ -135,7 +137,8 @@ all() -> {group, heavy}, ordered, ordered_match, interface_equality, fixtable_next, fixtable_insert, rename, rename_unnamed, evil_rename, update_element, - update_counter, evil_update_counter, partly_bound, + update_counter, evil_update_counter, + update_counter_with_default, partly_bound, match_heavy, {group, fold}, member, t_delete_object, t_init_table, t_whitebox, t_delete_all_objects, t_insert_list, t_test_ms, t_select_delete, t_ets_dets, @@ -153,6 +156,7 @@ all() -> otp_9932, otp_9423, ets_all, + take, memory_check_summary]. % MUST BE LAST @@ -1381,7 +1385,7 @@ random_test() -> {ok,[X]} -> X; _ -> - {A,B,C} = erlang:now(), + {A,B,C} = erlang:timestamp(), random:seed(A,B,C), get(random_seed) end, @@ -1759,6 +1763,14 @@ update_counter_do(Opts) -> OrdSet = ets_new(ordered_set,[ordered_set | Opts]), update_counter_for(Set), update_counter_for(OrdSet), + ets:delete_all_objects(Set), + ets:delete_all_objects(OrdSet), + ets:safe_fixtable(Set, true), + ets:safe_fixtable(OrdSet, true), + update_counter_for(Set), + update_counter_for(OrdSet), + ets:safe_fixtable(Set, false), + ets:safe_fixtable(OrdSet, false), ets:delete(Set), ets:delete(OrdSet), update_counter_neg(Opts). @@ -1778,10 +1790,14 @@ update_counter_for(T) -> ?line {NewObj, Ret} = uc_mimic(Obj,Arg3), ArgHash = erlang:phash2({T,a,Arg3}), %%io:format("update_counter(~p, ~p, ~p) expecting ~p\n",[T,a,Arg3,Ret]), + [DefaultObj] = ets:lookup(T, a), ?line Ret = ets:update_counter(T,a,Arg3), + Ret = ets:update_counter(T, b, Arg3, DefaultObj), % Use other key ?line ArgHash = erlang:phash2({T,a,Arg3}), %%io:format("NewObj=~p~n ",[NewObj]), ?line [NewObj] = ets:lookup(T,a), + true = ets:lookup(T, b) =:= [setelement(1, NewObj, b)], + ets:delete(T, b), Myself(NewObj,Times-1,Arg3,Myself) end, @@ -2006,6 +2022,44 @@ evil_counter_1(Iter, T) -> ets:update_counter(T, dracula, 1), evil_counter_1(Iter-1, T). +update_counter_with_default(Config) when is_list(Config) -> + repeat_for_opts(update_counter_with_default_do). + +update_counter_with_default_do(Opts) -> + T1 = ets_new(a, [set | Opts]), + %% Insert default object. + 3 = ets:update_counter(T1, foo, 2, {beaufort,1}), + %% Increment. + 5 = ets:update_counter(T1, foo, 2, {cabecou,1}), + %% Increment with list. + [9] = ets:update_counter(T1, foo, [{2,4}], {camembert,1}), + %% Same with non-immediate key. + 3 = ets:update_counter(T1, {foo,bar}, 2, {{chaource,chevrotin},1}), + 5 = ets:update_counter(T1, {foo,bar}, 2, {{cantal,comté},1}), + [9] = ets:update_counter(T1, {foo,bar}, [{2,4}], {{emmental,de,savoie},1}), + %% Same with ordered set. + T2 = ets_new(b, [ordered_set | Opts]), + 3 = ets:update_counter(T2, foo, 2, {maroilles,1}), + 5 = ets:update_counter(T2, foo, 2, {mimolette,1}), + [9] = ets:update_counter(T2, foo, [{2,4}], {morbier,1}), + 3 = ets:update_counter(T2, {foo,bar}, 2, {{laguiole},1}), + 5 = ets:update_counter(T2, {foo,bar}, 2, {{saint,nectaire},1}), + [9] = ets:update_counter(T2, {foo,bar}, [{2,4}], {{rocamadour},1}), + %% Arithmetically-equal keys. + 3 = ets:update_counter(T2, 1.0, 2, {1,1}), + 5 = ets:update_counter(T2, 1, 2, {1,1}), + 7 = ets:update_counter(T2, 1, 2, {1.0,1}), + %% Same with reversed type difference. + 3 = ets:update_counter(T2, 2, 2, {2.0,1}), + 5 = ets:update_counter(T2, 2.0, 2, {2.0,1}), + 7 = ets:update_counter(T2, 2.0, 2, {2,1}), + %% bar is not an integer. + {'EXIT',{badarg,_}} = (catch ets:update_counter(T1, qux, 3, {saint,félicien})), + %% No third element in default value. + {'EXIT',{badarg,_}} = (catch ets:update_counter(T1, qux, [{3,1}], {roquefort,1})), + + ok. + fixtable_next(doc) -> ["Check that a first-next sequence always works on a fixed table"]; fixtable_next(suite) -> @@ -3007,13 +3061,13 @@ time_lookup(Config) when is_list(Config) -> "~p ets lookups/s",[Values]))}. time_lookup_do(Opts) -> - ?line Tab = ets_new(foo,Opts), - ?line fill_tab(Tab,foo), - ?line ets:insert(Tab,{{a,key},foo}), - ?line {Time,_} = ?t:timecall(test_server,do_times, - [10000,ets,lookup,[Tab,{a,key}]]), - ?line true = ets:delete(Tab), - round(10000 / Time). % lookups/s + Tab = ets_new(foo,Opts), + fill_tab(Tab,foo), + ets:insert(Tab,{{a,key},foo}), + {Time,_} = ?t:timecall(test_server,do_times, + [100000,ets,lookup,[Tab,{a,key}]]), + true = ets:delete(Tab), + round(100000 / Time). % lookups/s badlookup(doc) -> ["Check proper return values from bad lookups in existing/non existing " @@ -3487,12 +3541,9 @@ verify_rescheduling_exit(Config, ForEachData, Flags, Fix, NOTabs, NOProcs) -> fun () -> repeat( fun () -> - {A, B, C} = now(), - ?line Name = list_to_atom( - TestCase - ++ "-" ++ integer_to_list(A) - ++ "-" ++ integer_to_list(B) - ++ "-" ++ integer_to_list(C)), + Uniq = erlang:unique_integer([positive]), + Name = list_to_atom(TestCase ++ "-" ++ + integer_to_list(Uniq)), Tab = ets_new(Name, Flags), ForEachData(fun(Data) -> ets:insert(Tab, Data) end), case Fix of @@ -3770,41 +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 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 unsucessful match returns an empty list. - ?line [] = ets:match_object(Tab, {{three,'$0'}, '$92'}), + + % Check that maps are inspected for variables. + [{#{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})), + 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 " @@ -3969,12 +4078,22 @@ tab2file(doc) -> ["Check the ets:tab2file function on an empty " "ets table."]; tab2file(suite) -> []; tab2file(Config) when is_list(Config) -> + ?line FName = filename:join([?config(priv_dir, Config),"tab2file_case"]), + tab2file_do(FName, []), + tab2file_do(FName, [{sync,true}]), + tab2file_do(FName, [{sync,false}]), + {'EXIT',{{badmatch,{error,_}},_}} = (catch tab2file_do(FName, [{sync,yes}])), + {'EXIT',{{badmatch,{error,_}},_}} = (catch tab2file_do(FName, [sync])), + ok. + +tab2file_do(FName, Opts) -> %% Write an empty ets table to a file, read back and check properties. ?line Tab = ets_new(ets_SUITE_foo_tab, [named_table, set, private, {keypos, 2}]), - ?line FName = filename:join([?config(priv_dir, Config),"tab2file_case"]), - ?line ok = ets:tab2file(Tab, FName), - ?line true = ets:delete(Tab), + catch file:delete(FName), + Res = ets:tab2file(Tab, FName, Opts), + true = ets:delete(Tab), + ok = Res, % ?line EtsMem = etsmem(), ?line {ok, Tab2} = ets:file2tab(FName), @@ -3984,6 +4103,7 @@ tab2file(Config) when is_list(Config) -> ?line set = ets:info(Tab2, type), ?line true = ets:delete(Tab2), ?line verify_etsmem(EtsMem). + tab2file2(doc) -> ["Check the ets:tab2file function on a ", "filled set/bag type ets table."]; @@ -4493,16 +4613,16 @@ build_table2(L1,L2,Num) -> T. time_match_object(Tab,Match, Res) -> - T1 = erlang:now(), + T1 = erlang:monotonic_time(micro_seconds), Res = ets:match_object(Tab,Match), - T2 = erlang:now(), - nowdiff(T1,T2). + T2 = erlang:monotonic_time(micro_seconds), + T2 - T1. time_match(Tab,Match) -> - T1 = erlang:now(), + T1 = erlang:monotonic_time(micro_seconds), ets:match(Tab,Match), - T2 = erlang:now(), - nowdiff(T1,T2). + T2 = erlang:monotonic_time(micro_seconds), + T2 - T1. seventyfive_percent_success(_,S,Fa,0) -> true = (S > ((S + Fa) * 0.75)); @@ -4527,11 +4647,6 @@ fifty_percent_success({M,F,A},S,Fa,N) -> end. -nowtonumber({Mega, Secs, Milli}) -> - Milli + Secs * 1000000 + Mega * 1000000000000. -nowdiff(T1,T2) -> - nowtonumber(T2) - nowtonumber(T1). - create_random_string(0) -> []; @@ -5000,36 +5115,40 @@ colliding_names(Name) -> grow_shrink(Config) when is_list(Config) -> ?line EtsMem = etsmem(), - ?line grow_shrink_0(lists:seq(3071, 5000), EtsMem), - ?line verify_etsmem(EtsMem). -grow_shrink_0([N|Ns], EtsMem) -> - ?line grow_shrink_1(N, [set]), - ?line grow_shrink_1(N, [ordered_set]), - %% Verifying ets-memory here takes too long time, since - %% lock-free allocators were introduced... - %% ?line verify_etsmem(EtsMem), - grow_shrink_0(Ns, EtsMem); -grow_shrink_0([], _) -> ok. - -grow_shrink_1(N, Flags) -> - ?line T = ets_new(a, Flags), - ?line grow_shrink_2(N, N, T), - ?line ets:delete(T). + Set = ets_new(a, [set]), + grow_shrink_0(0, 3071, 3000, 5000, Set), + ets:delete(Set), -grow_shrink_2(0, Orig, T) -> - List = [{I,a} || I <- lists:seq(1, Orig)], - List = lists:sort(ets:tab2list(T)), - grow_shrink_3(Orig, T); -grow_shrink_2(N, Orig, T) -> + %OrdSet = ets_new(a, [ordered_set]), + %grow_shrink_0(0, lists:seq(3071, 5000), OrdSet), + %ets:delete(OrdSet), + + ?line verify_etsmem(EtsMem). + +grow_shrink_0(N, _, _, Max, _) when N >= Max -> + ok; +grow_shrink_0(N0, GrowN, ShrinkN, Max, T) -> + N1 = grow_shrink_1(N0, GrowN, ShrinkN, T), + grow_shrink_0(N1, GrowN, ShrinkN, Max, T). + +grow_shrink_1(N0, GrowN, ShrinkN, T) -> + N1 = grow_shrink_2(N0+1, N0 + GrowN, T), + grow_shrink_3(N1, N1 - ShrinkN, T). + +grow_shrink_2(N, GrowTo, _) when N > GrowTo -> + %io:format("Grown to ~p\n", [GrowTo]), + GrowTo; +grow_shrink_2(N, GrowTo, T) -> true = ets:insert(T, {N,a}), - grow_shrink_2(N-1, Orig, T). + grow_shrink_2(N+1, GrowTo, T). -grow_shrink_3(0, T) -> - [] = ets:tab2list(T); -grow_shrink_3(N, T) -> +grow_shrink_3(N, ShrinkTo, _) when N =< ShrinkTo -> + %io:format("Shrunk to ~p\n", [ShrinkTo]), + ShrinkTo; +grow_shrink_3(N, ShrinkTo, T) -> true = ets:delete(T, N), - grow_shrink_3(N-1, T). + grow_shrink_3(N-1, ShrinkTo, T). grow_pseudo_deleted(doc) -> ["Grow a table that still contains pseudo-deleted objects"]; grow_pseudo_deleted(suite) -> []; @@ -5055,17 +5174,29 @@ grow_pseudo_deleted_do(Type) -> ?line Left = ets:info(T,size), ?line Mult = get_kept_objects(T), filltabstr(T,Mult), - my_spawn_opt(fun()-> ?line true = ets:info(T,fixed), - Self ! start, - io:format("Starting to filltabstr... ~p\n",[now()]), - filltabstr(T,Mult,Mult+10000), - io:format("Done with filltabstr. ~p\n",[now()]), - Self ! done - end, [link, {scheduler,2}]), + my_spawn_opt( + fun() -> + true = ets:info(T,fixed), + Self ! start, + io:put_chars("Starting to filltabstr...\n"), + do_tc(fun() -> + filltabstr(T, Mult, Mult+10000) + end, + fun(Elapsed) -> + io:format("Done with filltabstr in ~p ms\n", + [Elapsed]) + end), + Self ! done + end, [link, {scheduler,2}]), ?line start = receive_any(), - io:format("Unfixing table...~p nitems=~p\n",[now(),ets:info(T,size)]), - ?line true = ets:safe_fixtable(T,false), - io:format("Unfix table done. ~p nitems=~p\n",[now(),ets:info(T,size)]), + io:format("Unfixing table... nitems=~p\n", [ets:info(T, size)]), + do_tc(fun() -> + true = ets:safe_fixtable(T, false) + end, + fun(Elapsed) -> + io:format("Unfix table done in ~p ms. nitems=~p\n", + [Elapsed,ets:info(T, size)]) + end), ?line false = ets:info(T,fixed), ?line 0 = get_kept_objects(T), ?line done = receive_any(), @@ -5095,17 +5226,28 @@ shrink_pseudo_deleted_do(Type) -> [true]}]), ?line Half = ets:info(T,size), ?line Half = get_kept_objects(T), - my_spawn_opt(fun()-> ?line true = ets:info(T,fixed), - Self ! start, - io:format("Starting to delete... ~p\n",[now()]), - del_one_by_one_set(T,1,Half+1), - io:format("Done with delete. ~p\n",[now()]), - Self ! done - end, [link, {scheduler,2}]), + my_spawn_opt( + fun()-> true = ets:info(T,fixed), + Self ! start, + io:put_chars("Starting to delete... ~p\n"), + do_tc(fun() -> + del_one_by_one_set(T, 1, Half+1) + end, + fun(Elapsed) -> + io:format("Done with delete in ~p ms.\n", + [Elapsed]) + end), + Self ! done + end, [link, {scheduler,2}]), ?line start = receive_any(), - io:format("Unfixing table...~p nitems=~p\n",[now(),ets:info(T,size)]), - ?line true = ets:safe_fixtable(T,false), - io:format("Unfix table done. ~p nitems=~p\n",[now(),ets:info(T,size)]), + io:format("Unfixing table... nitems=~p\n", [ets:info(T, size)]), + do_tc(fun() -> + true = ets:safe_fixtable(T, false) + end, + fun(Elapsed) -> + io:format("Unfix table done in ~p ms. nitems=~p\n", + [Elapsed,ets:info(T, size)]) + end), ?line false = ets:info(T,fixed), ?line 0 = get_kept_objects(T), ?line done = receive_any(), @@ -5258,30 +5400,42 @@ smp_unfix_fix_do() -> ?line Deleted = get_kept_objects(T), {Child, Mref} = - my_spawn_opt(fun()-> ?line true = ets:info(T,fixed), - Parent ! start, - io:format("Child waiting for table to be unfixed... now=~p mem=~p\n", - [now(),ets:info(T,memory)]), - repeat_while(fun()-> ets:info(T,fixed) end), - io:format("Table unfixed. Child Fixating! now=~p mem=~p\n", - [now(),ets:info(T,memory)]), - ?line true = ets:safe_fixtable(T,true), - repeat_while(fun(Key) when Key =< NumOfObjs -> - ets:delete(T,Key), {true,Key+1}; - (Key) -> {false,Key} - end, - Deleted), - ?line 0 = ets:info(T,size), - ?line true = get_kept_objects(T) >= Left, - ?line done = receive_any() - end, - [link, monitor, {scheduler,2}]), + my_spawn_opt( + fun()-> + true = ets:info(T,fixed), + Parent ! start, + io:format("Child waiting for table to be unfixed... mem=~p\n", + [ets:info(T, memory)]), + do_tc(fun() -> + repeat_while(fun()-> ets:info(T, fixed) end) + end, + fun(Elapsed) -> + io:format("Table unfixed in ~p ms." + " Child Fixating! mem=~p\n", + [Elapsed,ets:info(T,memory)]) + end), + true = ets:safe_fixtable(T,true), + repeat_while(fun(Key) when Key =< NumOfObjs -> + ets:delete(T,Key), {true,Key+1}; + (Key) -> {false,Key} + end, + Deleted), + 0 = ets:info(T,size), + true = get_kept_objects(T) >= Left, + done = receive_any() + end, + [link, monitor, {scheduler,2}]), ?line start = receive_any(), ?line true = ets:info(T,fixed), - io:format("Parent starting to unfix... ~p\n",[now()]), - ets:safe_fixtable(T,false), - io:format("Parent done with unfix. ~p\n",[now()]), + io:put_chars("Parent starting to unfix... ~p\n"), + do_tc(fun() -> + ets:safe_fixtable(T, false) + end, + fun(Elapsed) -> + io:format("Parent done with unfix in ~p ms.\n", + [Elapsed]) + end), Child ! done, {'DOWN', Mref, process, Child, normal} = receive_any(), ?line false = ets:info(T,fixed), @@ -5582,6 +5736,43 @@ ets_all_run() -> ets_all_run(). +take(Config) when is_list(Config) -> + %% Simple test for set tables. + T1 = ets_new(a, [set]), + [] = ets:take(T1, foo), + ets:insert(T1, {foo,bar}), + [] = ets:take(T1, bar), + [{foo,bar}] = ets:take(T1, foo), + [] = ets:tab2list(T1), + %% Non-immediate key. + ets:insert(T1, {{'not',<<"immediate">>},ok}), + [{{'not',<<"immediate">>},ok}] = ets:take(T1, {'not',<<"immediate">>}), + %% Same with ordered tables. + T2 = ets_new(b, [ordered_set]), + [] = ets:take(T2, foo), + ets:insert(T2, {foo,bar}), + [] = ets:take(T2, bar), + [{foo,bar}] = ets:take(T2, foo), + [] = ets:tab2list(T2), + ets:insert(T2, {{'not',<<"immediate">>},ok}), + [{{'not',<<"immediate">>},ok}] = ets:take(T2, {'not',<<"immediate">>}), + %% Arithmetically-equal keys. + ets:insert(T2, [{1.0,float},{2,integer}]), + [{1.0,float}] = ets:take(T2, 1), + [{2,integer}] = ets:take(T2, 2.0), + [] = ets:tab2list(T2), + %% Same with bag. + T3 = ets_new(c, [bag]), + ets:insert(T3, [{1,1},{1,2},{3,3}]), + [{1,1},{1,2}] = ets:take(T3, 1), + [{3,3}] = ets:take(T3, 3), + [] = ets:tab2list(T3), + ets:delete(T1), + ets:delete(T2), + ets:delete(T3), + ok. + + % % Utility functions: % @@ -6246,3 +6437,10 @@ repeat_for_opts_atom2list(compressed) -> [compressed,void]. ets_new(Name, Opts) -> %%ets:new(Name, [compressed | Opts]). ets:new(Name, Opts). + +do_tc(Do, Report) -> + T1 = erlang:monotonic_time(), + Do(), + T2 = erlang:monotonic_time(), + Elapsed = erlang:convert_time_unit(T2 - T1, native, milli_seconds), + Report(Elapsed). |