%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 1996-2010. 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(ets_SUITE).
-export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1,
init_per_group/2,end_per_group/2]).
-export([default/1,setbag/1,badnew/1,verybadnew/1,named/1,keypos2/1,
privacy/1,privacy_owner/2]).
-export([empty/1,badinsert/1]).
-export([time_lookup/1,badlookup/1,lookup_order/1]).
-export([delete_elem/1,delete_tab/1,delete_large_tab/1,
delete_large_named_table/1,
evil_delete/1,baddelete/1,match_delete/1,table_leak/1]).
-export([match_delete3/1]).
-export([firstnext/1,firstnext_concurrent/1]).
-export([slot/1]).
-export([ match1/1, match2/1, match_object/1, match_object2/1]).
-export([ dups/1, misc1/1, safe_fixtable/1, info/1, tab2list/1]).
-export([ tab2file/1, tab2file2/1, tabfile_ext1/1,
tabfile_ext2/1, tabfile_ext3/1, tabfile_ext4/1]).
-export([ heavy_lookup/1, heavy_lookup_element/1, heavy_concurrent/1]).
-export([ lookup_element_mult/1]).
-export([]).
-export([foldl_ordered/1, foldr_ordered/1, foldl/1, foldr/1, fold_empty/1]).
-export([t_delete_object/1, t_init_table/1, t_whitebox/1,
t_delete_all_objects/1, t_insert_list/1, t_test_ms/1,
t_select_delete/1,t_ets_dets/1]).
-export([do_lookup/2, do_lookup_element/3]).
-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([member/1]).
-export([memory/1]).
-export([select_fail/1]).
-export([t_insert_new/1]).
-export([t_repair_continuation/1]).
-export([t_match_spec_run/1]).
-export([t_bucket_disappears/1]).
-export([otp_5340/1]).
-export([otp_6338/1]).
-export([otp_6842_select_1000/1]).
-export([otp_7665/1]).
-export([meta_wb/1]).
-export([grow_shrink/1, grow_pseudo_deleted/1, shrink_pseudo_deleted/1]).
-export([
meta_lookup_unnamed_read/1, meta_lookup_unnamed_write/1,
meta_lookup_named_read/1, meta_lookup_named_write/1,
meta_newdel_unnamed/1, meta_newdel_named/1]).
-export([smp_insert/1, smp_fixed_delete/1, smp_unfix_fix/1, smp_select_delete/1,
otp_8166/1, otp_8732/1]).
-export([exit_large_table_owner/1,
exit_many_large_table_owner/1,
exit_many_tables_owner/1,
exit_many_many_tables_owner/1]).
-export([write_concurrency/1, heir/1, give_away/1, setopts/1]).
-export([bad_table/1, types/1]).
-export([init_per_testcase/2, end_per_testcase/2]).
%% Convenience for manual testing
-export([random_test/0]).
% internal exports
-export([dont_make_worse_sub/0, make_better_sub1/0, make_better_sub2/0]).
-export([t_repair_continuation_do/1, t_bucket_disappears_do/1,
select_fail_do/1, whitebox_1/1, whitebox_2/1, t_delete_all_objects_do/1,
t_delete_object_do/1, t_init_table_do/1, t_insert_list_do/1,
update_element_opts/1, update_element_opts/4, update_element/4, update_element_do/4,
update_element_neg/1, update_element_neg_do/1, update_counter_do/1, update_counter_neg/1,
evil_update_counter_do/1, fixtable_next_do/1, heir_do/1, give_away_do/1, setopts_do/1,
rename_do/1, rename_unnamed_do/1, interface_equality_do/1, ordered_match_do/1,
ordered_do/1, privacy_do/1, empty_do/1, badinsert_do/1, time_lookup_do/1,
lookup_order_do/1, lookup_element_mult_do/1, delete_tab_do/1, delete_elem_do/1,
match_delete_do/1, match_delete3_do/1, firstnext_do/1,
slot_do/1, match1_do/1, match2_do/1, match_object_do/1, match_object2_do/1,
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, rpc_externals/0, memory_do/1
]).
-export([t_select_reverse/1]).
-include_lib("test_server/include/test_server.hrl").
init_per_testcase(Case, Config) ->
Seed = {S1,S2,S3} = random:seed0(), %now(),
random:seed(S1,S2,S3),
io:format("*** SEED: ~p ***\n", [Seed]),
start_spawn_logger(),
wait_for_test_procs(), %% Ensure previous case cleaned up
Dog=test_server:timetrap(test_server:minutes(20)),
[{watchdog, Dog}, {test_case, Case} | Config].
end_per_testcase(_Func, Config) ->
Dog=?config(watchdog, Config),
wait_for_test_procs(true),
test_server:timetrap_cancel(Dog).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
suite() -> [{ct_hooks,[ts_install_cth]}].
all() ->
[{group, new}, {group, insert}, {group, lookup},
{group, delete}, firstnext, firstnext_concurrent, slot,
{group, match}, t_match_spec_run,
{group, lookup_element}, {group, misc}, {group, files},
{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,
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,
memory, t_select_reverse, t_bucket_disappears,
select_fail, t_insert_new, t_repair_continuation,
otp_5340, otp_6338, otp_6842_select_1000, otp_7665,
otp_8732, meta_wb, grow_shrink, grow_pseudo_deleted,
shrink_pseudo_deleted, {group, meta_smp}, smp_insert,
smp_fixed_delete, smp_unfix_fix, smp_select_delete,
otp_8166, exit_large_table_owner,
exit_many_large_table_owner, exit_many_tables_owner,
exit_many_many_tables_owner, write_concurrency, heir,
give_away, setopts, bad_table, types].
groups() ->
[{new, [],
[default, setbag, badnew, verybadnew, named, keypos2,
privacy]},
{insert, [], [empty, badinsert]},
{lookup, [], [time_lookup, badlookup, lookup_order]},
{lookup_element, [], [lookup_element_mult]},
{delete, [],
[delete_elem, delete_tab, delete_large_tab,
delete_large_named_table, evil_delete, table_leak,
baddelete, match_delete, match_delete3]},
{match, [],
[match1, match2, match_object, match_object2]},
{misc, [],
[misc1, safe_fixtable, info, dups, tab2list]},
{files, [],
[tab2file, tab2file2, tabfile_ext1,
tabfile_ext2, tabfile_ext3, tabfile_ext4]},
{heavy, [],
[heavy_lookup, heavy_lookup_element, heavy_concurrent]},
{fold, [],
[foldl_ordered, foldr_ordered, foldl, foldr,
fold_empty]},
{meta_smp, [],
[meta_lookup_unnamed_read, meta_lookup_unnamed_write,
meta_lookup_named_read, meta_lookup_named_write,
meta_newdel_unnamed, meta_newdel_named]}].
init_per_suite(Config) ->
Config.
end_per_suite(_Config) ->
stop_spawn_logger(),
catch erts_debug:set_internal_state(available_internal_state, false).
init_per_group(_GroupName, Config) ->
Config.
end_per_group(_GroupName, Config) ->
Config.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
t_bucket_disappears(suite) ->
[];
t_bucket_disappears(doc) ->
["Test that a disappearing bucket during select of a non-fixed table works."];
t_bucket_disappears(Config) when is_list(Config) ->
repeat_for_opts(t_bucket_disappears_do).
t_bucket_disappears_do(Opts) ->
?line EtsMem = etsmem(),
?line ets_new(abcd, [named_table, public, {keypos, 2} | Opts]),
?line ets:insert(abcd, {abcd,1,2}),
?line ets:insert(abcd, {abcd,2,2}),
?line ets:insert(abcd, {abcd,3,2}),
?line {_, Cont} = ets:select(abcd, [{{'_', '$1', '_'},
[{'<', '$1', {const, 10}}],
['$1']}], 1),
?line ets:delete(abcd, 2),
?line ets:select(Cont),
?line true = ets:delete(abcd),
?line verify_etsmem(EtsMem).
t_match_spec_run(suite) ->
[];
t_match_spec_run(doc) ->
["Check ets:match_spec_run/2."];
t_match_spec_run(Config) when is_list(Config) ->
?line EtsMem = etsmem(),
?line [2,3] = ets:match_spec_run([{1},{2},{3}],
ets:match_spec_compile(
[{{'$1'},[{'>','$1',1}],['$1']}])),
?line Huge = [{X} || X <- lists:seq(1,2500)],
?line L = lists:seq(2476,2500),
?line L = ets:match_spec_run(Huge,
ets:match_spec_compile(
[{{'$1'},[{'>','$1',2475}],['$1']}])),
?line L2 = [{X*16#FFFFFFF} || X <- L],
?line L2 = ets:match_spec_run(Huge,
ets:match_spec_compile(
[{{'$1'},
[{'>','$1',2475}],
[{{{'*','$1',16#FFFFFFF}}}]}])),
?line [500,1000,1500,2000,2500] =
ets:match_spec_run(Huge,
ets:match_spec_compile(
[{{'$1'},
[{'=:=',{'rem','$1',500},0}],
['$1']}])),
?line verify_etsmem(EtsMem).
t_repair_continuation(suite) ->
[];
t_repair_continuation(doc) ->
["Check ets:repair_continuation/2."];
t_repair_continuation(Config) when is_list(Config) ->
repeat_for_opts(t_repair_continuation_do).
t_repair_continuation_do(Opts) ->
?line EtsMem = etsmem(),
?line MS = [{'_',[],[true]}],
?line MS2 = [{{{'$1','_'},'_'},[],['$1']}],
(fun() ->
?line T = ets_new(x,[ordered_set|Opts]),
?line F = fun(0,_)->ok;(N,F) -> ets:insert(T,{N,N}), F(N-1,F) end,
?line F(1000,F),
?line {_,C} = ets:select(T,MS,5),
?line C2 = erlang:setelement(5,C,<<>>),
?line {'EXIT',{badarg,_}} = (catch ets:select(C2)),
?line C3 = ets:repair_continuation(C2,MS),
?line {[true,true,true,true,true],_} = ets:select(C3),
?line {[true,true,true,true,true],_} = ets:select(C),
?line true = ets:delete(T)
end)(),
(fun() ->
?line T = ets_new(x,[ordered_set|Opts]),
?line F = fun(0,_)->ok;(N,F) -> ets:insert(T,{N,N}), F(N-1,F) end,
?line F(1000,F),
?line {_,C} = ets:select(T,MS,1001),
?line C = '$end_of_table',
?line C3 = ets:repair_continuation(C,MS),
?line '$end_of_table' = ets:select(C3),
?line '$end_of_table' = ets:select(C),
?line true = ets:delete(T)
end)(),
(fun() ->
?line T = ets_new(x,[ordered_set|Opts]),
?line F = fun(0,_)->ok;(N,F) ->
ets:insert(T,{integer_to_list(N),N}),
F(N-1,F)
end,
?line F(1000,F),
?line {_,C} = ets:select(T,MS,5),
?line C2 = erlang:setelement(5,C,<<>>),
?line {'EXIT',{badarg,_}} = (catch ets:select(C2)),
?line C3 = ets:repair_continuation(C2,MS),
?line {[true,true,true,true,true],_} = ets:select(C3),
?line {[true,true,true,true,true],_} = ets:select(C),
?line true = ets:delete(T)
end)(),
(fun() ->
?line T = ets_new(x,[ordered_set|Opts]),
?line F = fun(0,_)->ok;(N,F) ->
ets:insert(T,{{integer_to_list(N),N},N}),
F(N-1,F)
end,
?line F(1000,F),
?line {_,C} = ets:select(T,MS2,5),
?line C2 = erlang:setelement(5,C,<<>>),
?line {'EXIT',{badarg,_}} = (catch ets:select(C2)),
?line C3 = ets:repair_continuation(C2,MS2),
?line {[_,_,_,_,_],_} = ets:select(C3),
?line {[_,_,_,_,_],_} = ets:select(C),
?line true = ets:delete(T)
end)(),
(fun() ->
?line T = ets_new(x,[set|Opts]),
?line F = fun(0,_)->ok;(N,F) ->
ets:insert(T,{N,N}),
F(N-1,F)
end,
?line F(1000,F),
?line {_,C} = ets:select(T,MS,5),
?line C2 = erlang:setelement(4,C,<<>>),
?line {'EXIT',{badarg,_}} = (catch ets:select(C2)),
?line C3 = ets:repair_continuation(C2,MS),
?line {[true,true,true,true,true],_} = ets:select(C3),
?line {[true,true,true,true,true],_} = ets:select(C),
?line true = ets:delete(T)
end)(),
(fun() ->
?line T = ets_new(x,[set|Opts]),
?line F = fun(0,_)->ok;(N,F) ->
ets:insert(T,{integer_to_list(N),N}),
F(N-1,F)
end,
?line F(1000,F),
?line {_,C} = ets:select(T,MS,5),
?line C2 = erlang:setelement(4,C,<<>>),
?line {'EXIT',{badarg,_}} = (catch ets:select(C2)),
?line C3 = ets:repair_continuation(C2,MS),
?line {[true,true,true,true,true],_} = ets:select(C3),
?line {[true,true,true,true,true],_} = ets:select(C),
?line true = ets:delete(T)
end)(),
(fun() ->
?line T = ets_new(x,[bag|Opts]),
?line F = fun(0,_)->ok;(N,F) ->
ets:insert(T,{integer_to_list(N),N}),
F(N-1,F)
end,
?line F(1000,F),
?line {_,C} = ets:select(T,MS,5),
?line C2 = erlang:setelement(4,C,<<>>),
?line {'EXIT',{badarg,_}} = (catch ets:select(C2)),
?line C3 = ets:repair_continuation(C2,MS),
?line {[true,true,true,true,true],_} = ets:select(C3),
?line {[true,true,true,true,true],_} = ets:select(C),
?line true = ets:delete(T)
end)(),
(fun() ->
?line T = ets_new(x,[duplicate_bag|Opts]),
?line F = fun(0,_)->ok;(N,F) ->
ets:insert(T,{integer_to_list(N),N}),
F(N-1,F)
end,
?line F(1000,F),
?line {_,C} = ets:select(T,MS,5),
?line C2 = erlang:setelement(4,C,<<>>),
?line {'EXIT',{badarg,_}} = (catch ets:select(C2)),
?line C3 = ets:repair_continuation(C2,MS),
?line {[true,true,true,true,true],_} = ets:select(C3),
?line {[true,true,true,true,true],_} = ets:select(C),
?line true = ets:delete(T)
end)(),
?line false = ets:is_compiled_ms(<<>>),
?line true = ets:is_compiled_ms(ets:match_spec_compile(MS)),
?line verify_etsmem(EtsMem).
default(doc) ->
["Check correct default vaules of a new ets table"];
default(suite) -> [];
default(Config) when is_list(Config) ->
%% Default should be set,protected
?line EtsMem = etsmem(),
?line Def = ets_new(def,[]),
?line set = ets:info(Def,type),
?line protected = ets:info(Def,protection),
Compressed = erlang:system_info(ets_always_compress),
?line Compressed = ets:info(Def,compressed),
Self = self(),
?line Self = ets:info(Def,owner),
?line none = ets:info(Def, heir),
?line false = ets:info(Def,named_table),
?line ets:delete(Def),
?line verify_etsmem(EtsMem).
select_fail(doc) ->
["Test that select fails even if nothing can match"];
select_fail(suite) ->
[];
select_fail(Config) when is_list(Config) ->
?line EtsMem = etsmem(),
repeat_for_opts(select_fail_do, [all_types,write_concurrency]),
?line verify_etsmem(EtsMem).
select_fail_do(Opts) ->
?line T = ets_new(x,Opts),
?line ets:insert(T,{a,a}),
?line case (catch
ets:select(T,[{{a,'_'},[],[{snuffla}]}])) of
{'EXIT',{badarg,_}} ->
ok;
Else0 ->
exit({type,ets:info(T,type),
expected,'EXIT',got,Else0})
end,
?line case (catch
ets:select(T,[{{b,'_'},[],[{snuffla}]}])) of
{'EXIT',{badarg,_}} ->
ok;
Else1 ->
exit({type,ets:info(T,type),
expected,'EXIT',got,Else1})
end,
?line ets:delete(T).
-define(S(T),ets:info(T,memory)).
-define(TAB_STRUCT_SZ, erts_debug:get_internal_state('DbTable_words')).
%%-define(NORMAL_TAB_STRUCT_SZ, 26). %% SunOS5.8, 32-bit, non smp, private heap
%%
%% The hardcoded expected memory sizes (in words) are the ones we expect on:
%% SunOS5.8, 32-bit, non smp, private heap
%%
memory(doc) -> ["Whitebox test of ets:info(X,memory)"];
memory(suite) -> [];
memory(Config) when is_list(Config) ->
?line erts_debug:set_internal_state(available_internal_state, true),
?line ok = chk_normal_tab_struct_size(),
repeat_for_opts(memory_do,[compressed]),
?line catch erts_debug:set_internal_state(available_internal_state, false).
memory_do(Opts) ->
?line L = [T1,T2,T3,T4] = fill_sets_int(1000,Opts),
XR1 = case mem_mode(T1) of
{normal,_} -> {13836,13046,13046,13052}; %{13862,13072,13072,13078};
{compressed,4} -> {11041,10251,10251,10252}; %{11067,10277,10277,10278};
{compressed,8} -> {10050,9260,9260,9260} %{10076,9286,9286,9286}
end,
?line XRes1 = adjust_xmem(L, XR1),
?line Res1 = {?S(T1),?S(T2),?S(T3),?S(T4)},
?line lists:foreach(fun(T) ->
Before = ets:info(T,size),
Key = 2, %894, %%ets:first(T),
Objs = ets:lookup(T,Key),
?line ets:delete(T,Key),
io:format("deleted key ~p from ~p changed size ~p to ~p: ~p\n",
[Key, ets:info(T,type), Before, ets:info(T,size), Objs])
end,
L),
XR2 = case mem_mode(T1) of
{normal,_} -> {13826,13037,13028,13034}; %{13852,13063,13054,13060};
{compressed,4} -> {11031,10242,10233,10234}; %{11057,10268,10259,10260};
{compressed,8} -> {10040,9251,9242,9242} %10066,9277,9268,9268}
end,
?line XRes2 = adjust_xmem(L, XR2),
?line Res2 = {?S(T1),?S(T2),?S(T3),?S(T4)},
?line lists:foreach(fun(T) ->
Before = ets:info(T,size),
Key = 4, %802, %ets:first(T),
Objs = ets:lookup(T,Key),
?line ets:match_delete(T,{Key,'_'}),
io:format("match_deleted key ~p from ~p changed size ~p to ~p: ~p\n",
[Key, ets:info(T,type), Before, ets:info(T,size), Objs])
end,
L),
XR3 = case mem_mode(T1) of
{normal,_} -> {13816,13028,13010,13016}; %{13842,13054,13036,13042};
{compressed,4} -> {11021,10233,10215,10216}; %{11047,10259,10241,10242};
{compressed,8} -> {10030,9242,9224,9224} %{10056,9268,9250,9250}
end,
?line XRes3 = adjust_xmem(L, XR3),
?line Res3 = {?S(T1),?S(T2),?S(T3),?S(T4)},
?line lists:foreach(fun(T) ->
?line ets:delete_all_objects(T)
end,
L),
?line XRes4 = adjust_xmem(L, {50,260,260,260}), %{76,286,286,286}),
?line Res4 = {?S(T1),?S(T2),?S(T3),?S(T4)},
lists:foreach(fun(T) ->
?line ets:delete(T)
end,
L),
?line L2 = [T11,T12,T13,T14] = fill_sets_int(1000),
?line lists:foreach(fun(T) ->
?line ets:select_delete(T,[{'_',[],[true]}])
end,
L2),
?line XRes5 = adjust_xmem(L2, {50,260,260,260}), %{76,286,286,286}),
?line Res5 = {?S(T11),?S(T12),?S(T13),?S(T14)},
?line io:format("XRes1 = ~p~n"
" Res1 = ~p~n~n"
"XRes2 = ~p~n"
" Res2 = ~p~n~n"
"XRes3 = ~p~n"
" Res3 = ~p~n~n"
"XRes4 = ~p~n"
" Res4 = ~p~n~n"
"XRes5 = ~p~n"
" Res5 = ~p~n~n",
[XRes1, Res1,
XRes2, Res2,
XRes3, Res3,
XRes4, Res4,
XRes5, Res5]),
?line XRes1 = Res1,
?line XRes2 = Res2,
?line XRes3 = Res3,
?line XRes4 = Res4,
?line XRes5 = Res5,
?line ok.
mem_mode(T) ->
{case ets:info(T,compressed) of
true -> compressed;
false -> normal
end,
erlang:system_info(wordsize)}.
chk_normal_tab_struct_size() ->
?line System = {os:type(),
os:version(),
erlang:system_info(wordsize),
erlang:system_info(smp_support),
erlang:system_info(heap_type)},
?line ?t:format("System = ~p~n", [System]),
%%?line ?t:format("?NORMAL_TAB_STRUCT_SZ=~p~n", [?NORMAL_TAB_STRUCT_SZ]),
?line ?t:format("?TAB_STRUCT_SZ=~p~n", [?TAB_STRUCT_SZ]),
ok.
% ?line case System of
% {{unix, sunos}, {5, 8, 0}, 4, false, private} ->
% ?line ?NORMAL_TAB_STRUCT_SZ = ?TAB_STRUCT_SZ,
% ?line ok;
% _ ->
% ?line ok
% end.
-define(DB_TREE_STACK_NEED,50). % The static stack for a tree, in halfword pointers are two internal words
% so the stack gets twice as big
-define(DB_HASH_SIZEOF_EXTSEG,260). % The segment size in words, in halfword this will be twice as large.
adjust_xmem([T1,T2,T3,T4], {A0,B0,C0,D0} = _Mem0) ->
%% Adjust for 64-bit, smp, and os:
%% Table struct size may differ.
% Mem1 = case ?TAB_STRUCT_SZ of
% ?NORMAL_TAB_STRUCT_SZ ->
% Mem0;
% TabStructSz ->
% TabDiff = TabStructSz - ?NORMAL_TAB_STRUCT_SZ,
% {A0+TabDiff, B0+TabDiff, C0+TabDiff, D0+TabDiff}
% end,
TabDiff = ?TAB_STRUCT_SZ,
Mem1 = {A0+TabDiff, B0+TabDiff, C0+TabDiff, D0+TabDiff},
Mem2 = case {erlang:system_info({wordsize,internal}),erlang:system_info({wordsize,external})} of
%% Halfword, corrections for regular pointers occupying two internal words.
{4,8} ->
{A1,B1,C1,D1} = Mem1,
{A1+4*ets:info(T1, size)+?DB_TREE_STACK_NEED,
B1+3*ets:info(T2, size)+?DB_HASH_SIZEOF_EXTSEG,
C1+3*ets:info(T3, size)+?DB_HASH_SIZEOF_EXTSEG,
D1+3*ets:info(T4, size)+?DB_HASH_SIZEOF_EXTSEG};
_ ->
Mem1
end,
%% Adjust for hybrid and shared heaps:
%% Each record is one word smaller.
%%Mem2 = case erlang:system_info(heap_type) of
%% private ->
%% Mem1;
%% _ ->
%% {A1,B1,C1,D1} = Mem1,
%% {A1-ets:info(T1, size),B1-ets:info(T2, size),
%% C1-ets:info(T3, size),D1-ets:info(T4, size)}
%% end,
%%{Mem2,{ets:info(T1,stats),ets:info(T2,stats),ets:info(T3,stats),ets:info(T4,stats)}}.
Mem2.
t_whitebox(doc) ->
["Diverse whitebox testes"];
t_whitebox(suite) ->
[];
t_whitebox(Config) when is_list(Config) ->
?line EtsMem = etsmem(),
repeat_for_opts(whitebox_1),
repeat_for_opts(whitebox_1),
repeat_for_opts(whitebox_1),
repeat_for_opts(whitebox_2),
repeat_for_opts(whitebox_2),
repeat_for_opts(whitebox_2),
?line verify_etsmem(EtsMem).
whitebox_1(Opts) ->
?line T=ets_new(x,[bag | Opts]),
?line ets:insert(T,[{du,glade},{ta,en}]),
?line ets:insert(T,[{hej,hopp2},{du,glade2},{ta,en2}]),
?line {_,C}=ets:match(T,{ta,'$1'},1),
?line ets:select(C),
?line ets:match(C),
?line ets:delete(T),
ok.
whitebox_2(Opts) ->
?line T=ets_new(x,[ordered_set, {keypos,2} | Opts]),
?line T2=ets_new(x,[set, {keypos,2}| Opts]),
?line 0 = ets:select_delete(T,[{{hej},[],[true]}]),
?line 0 = ets:select_delete(T,[{{hej,hopp},[],[true]}]),
?line 0 = ets:select_delete(T2,[{{hej},[],[true]}]),
?line 0 = ets:select_delete(T2,[{{hej,hopp},[],[true]}]),
?line ets:delete(T),
?line ets:delete(T2),
ok.
t_ets_dets(doc) ->
["Test ets:to/from_dets"];
t_ets_dets(suite) ->
[];
t_ets_dets(Config) when is_list(Config) ->
repeat_for_opts(fun(Opts) -> t_ets_dets(Config,Opts) end).
t_ets_dets(Config, Opts) ->
?line Fname = gen_dets_filename(Config,1),
?line (catch file:delete(Fname)),
?line {ok,DTab} = dets:open_file(testdets_1,
[{file, Fname}]),
?line ETab = ets_new(x,Opts),
?line filltabint(ETab,3000),
?line DTab = ets:to_dets(ETab,DTab),
?line ets:delete_all_objects(ETab),
?line 0 = ets:info(ETab,size),
?line true = ets:from_dets(ETab,DTab),
?line 3000 = ets:info(ETab,size),
?line ets:delete(ETab),
?line {'EXIT',{badarg,[{ets,to_dets,[ETab,DTab]}|_]}} =
(catch ets:to_dets(ETab,DTab)),
?line {'EXIT',{badarg,[{ets,from_dets,[ETab,DTab]}|_]}} =
(catch ets:from_dets(ETab,DTab)),
?line ETab2 = ets_new(x,Opts),
?line filltabint(ETab2,3000),
?line dets:close(DTab),
?line {'EXIT',{badarg,[{ets,to_dets,[ETab2,DTab]}|_]}} =
(catch ets:to_dets(ETab2,DTab)),
?line {'EXIT',{badarg,[{ets,from_dets,[ETab2,DTab]}|_]}} =
(catch ets:from_dets(ETab2,DTab)),
?line ets:delete(ETab2),
?line (catch file:delete(Fname)),
ok.
t_delete_all_objects(doc) ->
["Test ets:delete_all_objects/1"];
t_delete_all_objects(suite) ->
[];
t_delete_all_objects(Config) when is_list(Config) ->
?line EtsMem = etsmem(),
repeat_for_opts(t_delete_all_objects_do),
?line verify_etsmem(EtsMem).
t_delete_all_objects_do(Opts) ->
?line T=ets_new(x,Opts),
?line filltabint(T,4000),
?line O=ets:first(T),
?line ets:next(T,O),
?line ets:safe_fixtable(T,true),
?line true = ets:delete_all_objects(T),
?line '$end_of_table' = ets:next(T,O),
?line 0 = ets:info(T,size),
?line 4000 = ets:info(T,kept_objects),
?line ets:safe_fixtable(T,false),
?line 0 = ets:info(T,size),
?line 0 = ets:info(T,kept_objects),
?line filltabint(T,4000),
?line 4000 = ets:info(T,size),
?line true = ets:delete_all_objects(T),
?line 0 = ets:info(T,size),
?line ets:delete(T).
t_delete_object(doc) ->
["Test ets:delete_object/2"];
t_delete_object(suite) ->
[];
t_delete_object(Config) when is_list(Config) ->
?line EtsMem = etsmem(),
repeat_for_opts(t_delete_object_do),
?line verify_etsmem(EtsMem).
t_delete_object_do(Opts) ->
?line T = ets_new(x,Opts),
?line filltabint(T,4000),
?line del_one_by_one_set(T,1,4001),
?line filltabint(T,4000),
?line del_one_by_one_set(T,4000,0),
?line filltabint(T,4000),
?line First = ets:first(T),
?line Next = ets:next(T,First),
?line ets:safe_fixtable(T,true),
?line ets:delete_object(T,{First, integer_to_list(First)}),
?line Next = ets:next(T,First),
?line 3999 = ets:info(T,size),
?line 1 = ets:info(T,kept_objects),
?line ets:safe_fixtable(T,false),
?line 3999 = ets:info(T,size),
?line 0 = ets:info(T,kept_objects),
?line ets:delete(T),
?line T1 = ets_new(x,[ordered_set | Opts]),
?line filltabint(T1,4000),
?line del_one_by_one_set(T1,1,4001),
?line filltabint(T1,4000),
?line del_one_by_one_set(T1,4000,0),
?line ets:delete(T1),
?line T2 = ets_new(x,[bag | Opts]),
?line filltabint2(T2,4000),
?line del_one_by_one_bag(T2,1,4001),
?line filltabint2(T2,4000),
?line del_one_by_one_bag(T2,4000,0),
?line ets:delete(T2),
?line T3 = ets_new(x,[duplicate_bag | Opts]),
?line filltabint3(T3,4000),
?line del_one_by_one_dbag_1(T3,1,4001),
?line filltabint3(T3,4000),
?line del_one_by_one_dbag_1(T3,4000,0),
?line filltabint(T3,4000),
?line filltabint3(T3,4000),
?line del_one_by_one_dbag_2(T3,1,4001),
?line filltabint(T3,4000),
?line filltabint3(T3,4000),
?line del_one_by_one_dbag_2(T3,4000,0),
?line filltabint2(T3,4000),
?line filltabint(T3,4000),
?line del_one_by_one_dbag_3(T3,4000,0),
?line ets:delete(T3),
ok.
make_init_fun(N) when N > 4000->
fun(read) ->
end_of_input;
(close) ->
exit(close_not_expected)
end;
make_init_fun(N) ->
fun(read) ->
case N rem 2 of
0 ->
{[{N, integer_to_list(N)}, {N, integer_to_list(N)}],
make_init_fun(N + 1)};
1 ->
{[], make_init_fun(N + 1)}
end;
(close) ->
exit(close_not_expected)
end.
t_init_table(doc) ->
["Test ets:init_table/2"];
t_init_table(suite) ->
[];
t_init_table(Config) when is_list(Config)->
?line EtsMem = etsmem(),
repeat_for_opts(t_init_table_do),
?line verify_etsmem(EtsMem).
t_init_table_do(Opts) ->
?line T = ets_new(x,[duplicate_bag | Opts]),
?line filltabint(T,4000),
?line ets:init_table(T, make_init_fun(1)),
?line del_one_by_one_dbag_1(T,4000,0),
?line ets:delete(T),
ok.
do_fill_dbag_using_lists(T,0) ->
T;
do_fill_dbag_using_lists(T,N) ->
ets:insert(T,[{N,integer_to_list(N)},
{N + N rem 2,integer_to_list(N + N rem 2)}]),
do_fill_dbag_using_lists(T,N - 1).
t_insert_new(doc) ->
["Test the insert_new function"];
t_insert_new(suite) ->
[];
t_insert_new(Config) when is_list(Config) ->
?line EtsMem = etsmem(),
?line L = fill_sets_int(1000) ++ fill_sets_int(1000,[{write_concurrency,true}]),
lists:foreach(fun(Tab) ->
?line false = ets:insert_new(Tab,{2,"2"}),
?line true = ets:insert_new(Tab,{2002,"2002"}),
?line false = ets:insert_new(Tab,{2002,"2002"}),
?line true = ets:insert(Tab,{2002,"2002"}),
?line false = ets:insert_new(Tab,[{2002,"2002"}]),
?line false = ets:insert_new(Tab,[{2002,"2002"},
{2003,"2003"}]),
?line false = ets:insert_new(Tab,[{2001,"2001"},
{2002,"2002"},
{2003,"2003"}]),
?line false = ets:insert_new(Tab,[{2001,"2001"},
{2002,"2002"}]),
?line true = ets:insert_new(Tab,[{2001,"2001"},
{2003,"2003"}]),
?line false = ets:insert_new(Tab,{2001,"2001"}),
?line false = ets:insert_new(Tab,{2002,"2002"}),
?line false = ets:insert_new(Tab,{2003,"2003"}),
?line true = ets:insert_new(Tab,{2004,"2004"}),
?line true = ets:insert_new(Tab,{2000,"2000"}),
?line true = ets:insert_new(Tab,[{2005,"2005"},
{2006,"2006"},
{2007,"2007"}]),
?line Num =
case ets:info(Tab,type) of
bag ->
?line true =
ets:insert(Tab,{2004,"2004-2"}),
?line false =
ets:insert_new(Tab,{2004,"2004-3"}),
1009;
duplicate_bag ->
?line true =
ets:insert(Tab,{2004,"2004"}),
?line false =
ets:insert_new(Tab,{2004,"2004"}),
1010;
_ ->
1008
end,
?line Num = ets:info(Tab,size),
?line List = ets:tab2list(Tab),
?line ets:delete_all_objects(Tab),
?line true = ets:insert_new(Tab,List),
?line false = ets:insert_new(Tab,List),
?line ets:delete(Tab)
end,
L),
?line verify_etsmem(EtsMem).
t_insert_list(doc) ->
["Test ets:insert/2 with list of objects."];
t_insert_list(suite) ->
[];
t_insert_list(Config) when is_list(Config) ->
?line EtsMem = etsmem(),
repeat_for_opts(t_insert_list_do),
?line verify_etsmem(EtsMem).
t_insert_list_do(Opts) ->
?line T = ets_new(x,[duplicate_bag | Opts]),
?line do_fill_dbag_using_lists(T,4000),
?line del_one_by_one_dbag_2(T,4000,0),
?line ets:delete(T).
t_test_ms(doc) ->
["Test interface of ets:test_ms/2"];
t_test_ms(suite) ->
[];
t_test_ms(Config) when is_list(Config) ->
?line EtsMem = etsmem(),
?line {ok,[a,b]} = ets:test_ms({a,b},
[{{'$1','$2'},[{'<','$1','$2'}],['$$']}]),
?line {ok,false} = ets:test_ms({a,b},
[{{'$1','$2'},[{'>','$1','$2'}],['$$']}]),
?line {error,[{error,String}]} = ets:test_ms({a,b},
[{{'$1','$2'},
[{'flurp','$1','$2'}],
['$$']}]),
?line true = (if is_list(String) -> true; true -> false end),
?line verify_etsmem(EtsMem).
t_select_reverse(doc) ->
["Test the select reverse BIF's"];
t_select_reverse(suite) ->
[];
t_select_reverse(Config) when is_list(Config) ->
?line Table = ets_new(xxx, [ordered_set]),
?line filltabint(Table,1000),
?line A = lists:reverse(ets:select(Table,[{{'$1', '_'},
[{'>',
{'rem',
'$1', 5},
2}],
['$_']}])),
?line A = ets:select_reverse(Table,[{{'$1', '_'},
[{'>',
{'rem',
'$1', 5},
2}],
['$_']}]),
?line A = reverse_chunked(Table,[{{'$1', '_'},
[{'>',
{'rem',
'$1', 5},
2}],
['$_']}],3),
% A set/bag/duplicate_bag should get the same result regardless
% of select or select_reverse
?line Table2 = ets_new(xxx, [set]),
?line filltabint(Table2,1000),
?line Table3 = ets_new(xxx, [bag]),
?line filltabint(Table3,1000),
?line Table4 = ets_new(xxx, [duplicate_bag]),
?line filltabint(Table4,1000),
?line lists:map(fun(Tab) ->
B = ets:select(Tab,[{{'$1', '_'},
[{'>',
{'rem',
'$1', 5},
2}],
['$_']}]),
B = ets:select_reverse(Tab,[{{'$1', '_'},
[{'>',
{'rem',
'$1', 5},
2}],
['$_']}])
end,[Table2, Table3, Table4]),
ok.
reverse_chunked(T,MS,N) ->
do_reverse_chunked(ets:select_reverse(T,MS,N),[]).
do_reverse_chunked('$end_of_table',Acc) ->
lists:reverse(Acc);
do_reverse_chunked({L,C},Acc) ->
NewAcc = lists:reverse(L)++Acc,
do_reverse_chunked(ets:select_reverse(C), NewAcc).
t_select_delete(doc) ->
["Test the ets:select_delete/2 and ets:select_count/2 BIF's"];
t_select_delete(suite) ->
[];
t_select_delete(Config) when is_list(Config) ->
?line EtsMem = etsmem(),
?line Tables = fill_sets_int(10000) ++ fill_sets_int(10000,[{write_concurrency,true}]),
lists:foreach
(fun(Table) ->
?line 4000 = ets:select_count(Table,[{{'$1', '_'},
[{'>',
{'rem',
'$1', 5},
2}],
[true]}]),
?line 4000 = ets:select_delete(Table,[{{'$1', '_'},
[{'>',
{'rem',
'$1', 5},
2}],
[true]}]),
?line check(Table,
fun({N,_}) when (N rem 5) =< 2 ->
true;
(_) ->
false
end,
6000)
end,
Tables),
lists:foreach
(fun(Table) ->
?line ets:select_delete(Table,[{'_',[],[true]}]),
?line xfilltabint(Table,4000),
?line successive_delete(Table,1,4001,bound),
?line 0 = ets:info(Table,size),
?line xfilltabint(Table,4000),
?line successive_delete(Table,4000,0, bound),
?line 0 = ets:info(Table,size),
?line xfilltabint(Table,4000),
?line successive_delete(Table,1,4001,unbound),
?line 0 = ets:info(Table,size),
?line xfilltabint(Table,4000),
?line successive_delete(Table,4000,0, unbound),
?line 0 = ets:info(Table,size)
end,
Tables),
lists:foreach
(fun(Table) ->
F = case ets:info(Table,type) of
X when X == bag; X == duplicate_bag ->
2;
_ ->
1
end,
?line xfilltabstr(Table, 4000),
?line 1000 = ets:select_count(Table,
[{{[$3 | '$1'], '_'},
[{'==',
{'length', '$1'},
3}],[true]}]) div F,
?line 1000 = ets:select_delete(Table,
[{{[$3 | '$1'], '_'},
[{'==',
{'length', '$1'},
3}],[true]}]) div F,
?line check(Table, fun({[3,_,_,_],_}) -> false;
(_) -> true
end, 3000*F),
?line 8 = ets:select_count(Table,
[{{"7",'_'},[],[false]},
{{['_'], '_'},
[],[true]}]) div F,
?line 8 = ets:select_delete(Table,
[{{"7",'_'},[],[false]},
{{['_'], '_'},
[],[true]}]) div F,
?line check(Table, fun({"7",_}) -> true;
({[_],_}) -> false;
(_) -> true
end, 2992*F),
?line xfilltabstr(Table, 4000),
%% This happens to be interesting for other select types too
?line 200 = length(ets:select(Table,
[{{[$3,'_','_'],'_'},
[],[true]},
{{[$1,'_','_'],'_'},
[],[true]}])) div F,
?line 200 = ets:select_count(Table,
[{{[$3,'_','_'],'_'},
[],[true]},
{{[$1,'_','_'],'_'},
[],[true]}]) div F,
?line 200 = length(element(1,ets:select(Table,
[{{[$3,'_','_'],'_'},
[],[true]},
{{[$1,'_','_'],'_'},
[],[true]}],
1000))) div F,
?line 200 = length(
ets:select_reverse(Table,
[{{[$3,'_','_'],'_'},
[],[true]},
{{[$1,'_','_'],'_'},
[],[true]}])) div F,
?line 200 = length(
element(1,
ets:select_reverse
(Table,
[{{[$3,'_','_'],'_'},
[],[true]},
{{[$1,'_','_'],'_'},
[],[true]}],
1000))) div F,
?line 200 = ets:select_delete(Table,
[{{[$3,'_','_'],'_'},
[],[true]},
{{[$1,'_','_'],'_'},
[],[true]}]) div F,
?line 0 = ets:select_count(Table,
[{{[$3,'_','_'],'_'},
[],[true]},
{{[$1,'_','_'],'_'},
[],[true]}]) div F,
?line check(Table, fun({[$3,_,_],_}) -> false;
({[$1,_,_],_}) -> false;
(_) -> true
end, 3800*F)
end,
Tables),
lists:foreach(fun(Tab) -> ets:delete(Tab) end,Tables),
?line verify_etsmem(EtsMem).
partly_bound(doc) ->
["Test that partly bound keys gives faster matches"];
partly_bound(suite) ->
[];
partly_bound(Config) when is_list(Config) ->
case os:type() of
{win32,_} ->
{skip,"Inaccurate measurements on Windows"};
_ ->
?line EtsMem = etsmem(),
?line dont_make_worse(),
?line make_better(),
?line verify_etsmem(EtsMem)
end.
dont_make_worse() ->
seventyfive_percent_success({?MODULE,dont_make_worse_sub,[]},0,0,10).
dont_make_worse_sub() ->
?line T = build_table([a,b],[a,b],15000),
?line T1 = time_match_object(T,{'_',a,a,1500}, [{{a,a,1500},a,a,1500}]),
?line T2 = time_match_object(T,{{a,a,'_'},a,a,1500},
[{{a,a,1500},a,a,1500}]),
?line ets:delete(T),
?line true = (T1 > T2),
ok.
make_better() ->
fifty_percent_success({?MODULE,make_better_sub2,[]},0,0,10),
fifty_percent_success({?MODULE,make_better_sub1,[]},0,0,10).
make_better_sub1() ->
?line T = build_table2([a,b],[a,b],15000),
?line T1 = time_match_object(T,{'_',1500,a,a}, [{{1500,a,a},1500,a,a}]),
?line T2 = time_match_object(T,{{1500,a,'_'},1500,a,a},
[{{1500,a,a},1500,a,a}]),
?line ets:delete(T),
?line io:format("~p>~p~n",[(T1 / 100),T2]),
?line true = ((T1 / 100) > T2), % More marginal than needed.
ok.
make_better_sub2() ->
?line T = build_table2([a,b],[a,b],15000),
?line T1 = time_match(T,{'$1',1500,a,a}),
?line T2 = time_match(T,{{1500,a,'$1'},1500,a,a}),
?line ets:delete(T),
?line io:format("~p>~p~n",[(T1 / 100),T2]),
?line true = ((T1 / 100) > T2), % More marginal than needed.
ok.
match_heavy(doc) ->
["Heavy random matching, comparing set with ordered_set."];
match_heavy(suite) ->
[];
match_heavy(Config) when is_list(Config) ->
PrivDir = ?config(priv_dir,Config),
DataDir = ?config(data_dir, Config),
%% Easier to have in process dictionary when manually
%% running the test function.
put(where_to_read,DataDir),
put(where_to_write,PrivDir),
Dog=?config(watchdog, Config),
test_server:timetrap_cancel(Dog),
NewDog=test_server:timetrap(test_server:seconds(1000)),
NewConfig = [{watchdog, NewDog} | lists:keydelete(watchdog,1,Config)],
random_test(),
drop_match(),
NewConfig.
%%% Extra safety for the very low probability that this is not
%%% caught by the random test (Statistically impossible???)
drop_match() ->
?line EtsMem = etsmem(),
?line T = build_table([a,b],[a],1500),
?line [{{a,a,1},a,a,1},{{b,a,1},b,a,1}] =
ets:match_object(T, {'_','_','_',1}),
?line true = ets:delete(T),
?line verify_etsmem(EtsMem).
ets_match(Tab,Expr) ->
case random:uniform(2) of
1 ->
ets:match(Tab,Expr);
_ ->
match_chunked(Tab,Expr)
end.
match_chunked(Tab,Expr) ->
match_chunked_collect(ets:match(Tab,Expr,
random:uniform(1999) + 1)).
match_chunked_collect('$end_of_table') ->
[];
match_chunked_collect({Results, Continuation}) ->
Results ++ match_chunked_collect(ets:match(Continuation)).
ets_match_object(Tab,Expr) ->
case random:uniform(2) of
1 ->
ets:match_object(Tab,Expr);
_ ->
match_object_chunked(Tab,Expr)
end.
match_object_chunked(Tab,Expr) ->
match_object_chunked_collect(ets:match_object(Tab,Expr,
random:uniform(1999) + 1)).
match_object_chunked_collect('$end_of_table') ->
[];
match_object_chunked_collect({Results, Continuation}) ->
Results ++ match_object_chunked_collect(ets:match_object(Continuation)).
random_test() ->
?line ReadDir = get(where_to_read),
?line WriteDir = get(where_to_write),
?line (catch file:make_dir(WriteDir)),
?line Seed = case file:consult(filename:join([ReadDir,
"preset_random_seed.txt"])) of
{ok,[X]} ->
X;
_ ->
{A,B,C} = erlang:now(),
random:seed(A,B,C),
get(random_seed)
end,
put(random_seed,Seed),
?line {ok, F} = file:open(filename:join([WriteDir,
"last_random_seed.txt"]),
[write]),
io:format(F,"~p. ~n",[Seed]),
file:close(F),
io:format("Random seed ~p written to ~s, copy to ~s to rerun with "
"same seed.",[Seed,
filename:join([WriteDir, "last_random_seed.txt"]),
filename:join([ReadDir,
"preset_random_seed.txt"])]),
do_random_test().
do_random_test() ->
?line EtsMem = etsmem(),
?line OrdSet = ets_new(xxx,[ordered_set]),
?line Set = ets_new(xxx,[]),
?line do_n_times(fun() ->
?line Key = create_random_string(25),
?line Value = create_random_tuple(25),
?line ets:insert(OrdSet,{Key,Value}),
?line ets:insert(Set,{Key,Value})
end, 5000),
?line io:format("~nData inserted~n"),
?line do_n_times(fun() ->
?line I = random:uniform(25),
?line Key = create_random_string(I) ++ '_',
?line L1 = ets_match_object(OrdSet,{Key,'_'}),
?line L2 = lists:sort(ets_match_object(Set,{Key,'_'})),
case L1 == L2 of
false ->
io:format("~p != ~p~n",
[L1,L2]),
?line exit({not_eq, L1, L2});
true ->
ok
end
end,
2000),
?line io:format("~nData matched~n"),
?line ets:match_delete(OrdSet,'_'),
?line ets:match_delete(Set,'_'),
?line do_n_times(fun() ->
?line Value = create_random_string(25),
?line Key = create_random_tuple(25),
?line ets:insert(OrdSet,{Key,Value}),
?line ets:insert(Set,{Key,Value})
end, 2000),
?line io:format("~nData inserted~n"),
(fun() ->
?line Key = list_to_tuple(lists:duplicate(25,'_')),
?line L1 = ets_match_object(OrdSet,{Key,'_'}),
?line L2 = lists:sort(ets_match_object(Set,{Key,'_'})),
?line 2000 = length(L1),
case L1 == L2 of
false ->
io:format("~p != ~p~n",
[L1,L2]),
?line exit({not_eq, L1, L2});
true ->
ok
end
end)(),
(fun() ->
?line Key = {'$1','$2','$3','$4',
'$5','$6','$7','$8',
'$9','$10','$11','$12',
'$13','$14','$15','$16',
'$17','$18','$19','$20',
'$21','$22','$23','$24',
'$25'},
?line L1 = ets_match_object(OrdSet,{Key,'_'}),
?line L2 = lists:sort(ets_match_object(Set,{Key,'_'})),
?line 2000 = length(L1),
case L1 == L2 of
false ->
io:format("~p != ~p~n",
[L1,L2]),
?line exit({not_eq, L1, L2});
true ->
ok
end
end)(),
(fun() ->
?line Key = {'$1','$2','$3','$4',
'$5','$6','$7','$8',
'$9','$10','$11','$12',
'$13','$14','$15','$16',
'$17','$18','$19','$20',
'$21','$22','$23','$24',
'$25'},
?line L1 = ets_match(OrdSet,{Key,'_'}),
?line L2 = lists:sort(ets_match(Set,{Key,'_'})),
?line 2000 = length(L1),
case L1 == L2 of
false ->
io:format("~p != ~p~n",
[L1,L2]),
?line exit({not_eq, L1, L2});
true ->
ok
end
end)(),
?line ets:match_delete(OrdSet,'_'),
?line ets:match_delete(Set,'_'),
?line do_n_times(fun() ->
?line Value = create_random_string(25),
?line Key = create_random_tuple(25),
?line ets:insert(OrdSet,{Key,Value}),
?line ets:insert(Set,{Key,Value})
end, 2000),
?line io:format("~nData inserted~n"),
do_n_times(fun() ->
?line Key = create_partly_bound_tuple(25),
?line L1 = ets_match_object(OrdSet,{Key,'_'}),
?line L2 = lists:sort(ets_match_object(Set,{Key,'_'})),
case L1 == L2 of
false ->
io:format("~p != ~p~n",
[L1,L2]),
?line exit({not_eq, L1, L2});
true ->
ok
end
end,
2000),
?line do_n_times(fun() ->
?line Key = create_partly_bound_tuple2(25),
?line L1 = ets_match_object(OrdSet,{Key,'_'}),
?line L2 = lists:sort(ets_match_object(Set,{Key,'_'})),
case L1 == L2 of
false ->
io:format("~p != ~p~n",
[L1,L2]),
?line exit({not_eq, L1, L2});
true ->
ok
end
end,
2000),
do_n_times(fun() ->
?line Key = create_partly_bound_tuple2(25),
?line L1 = ets_match(OrdSet,{Key,'_'}),
?line L2 = lists:sort(ets_match(Set,{Key,'_'})),
case L1 == L2 of
false ->
io:format("~p != ~p~n",
[L1,L2]),
?line exit({not_eq, L1, L2});
true ->
ok
end
end,
2000),
io:format("~nData matched~n"),
ets:match_delete(OrdSet,'_'),
ets:match_delete(Set,'_'),
do_n_times(fun() ->
do_n_times(fun() ->
?line Value =
create_random_string(25),
?line Key = create_random_tuple(25),
?line ets:insert(OrdSet,{Key,Value}),
?line ets:insert(Set,{Key,Value})
end, 500),
io:format("~nData inserted~n"),
do_n_times(fun() ->
?line Key =
create_partly_bound_tuple(25),
ets:match_delete(OrdSet,{Key,'_'}),
ets:match_delete(Set,{Key,'_'}),
L1 = ets:info(OrdSet,size),
L2 = ets:info(Set,size),
[] = ets_match_object(OrdSet,
{Key,'_'}),
case L1 == L2 of
false ->
io:format("~p != ~p "
"(deleted ~p)~n",
[L1,L2,Key]),
exit({not_eq, L1, L2,
{deleted,Key}});
true ->
ok
end
end,
50),
io:format("~nData deleted~n")
end,
10),
ets:delete(OrdSet),
ets:delete(Set),
?line verify_etsmem(EtsMem).
update_element(doc) ->
["test various variants of update_element"];
update_element(suite) ->
[];
update_element(Config) when is_list(Config) ->
?line EtsMem = etsmem(),
repeat_for_opts(update_element_opts),
?line verify_etsmem(EtsMem).
update_element_opts(Opts) ->
TupleCases = [{{key,val}, 1 ,2},
{{val,key}, 2, 1},
{{key,val}, 1 ,[2]},
{{key,val,val}, 1, [2,3]},
{{val,key,val,val}, 2, [3,4,1]},
{{val,val,key,val}, 3, [1,4,1,2]}, % update pos1 twice
{{val,val,val,key}, 4, [2,1,2,3]}],% update pos2 twice
lists:foreach(fun({Tuple,KeyPos,UpdPos}) -> update_element_opts(Tuple,KeyPos,UpdPos,Opts) end,
TupleCases),
update_element_neg(Opts).
update_element_opts(Tuple,KeyPos,UpdPos,Opts) ->
Set = ets_new(set,[{keypos,KeyPos} | Opts]),
OrdSet = ets_new(ordered_set,[ordered_set,{keypos,KeyPos} | Opts]),
update_element(Set,Tuple,KeyPos,UpdPos),
update_element(OrdSet,Tuple,KeyPos,UpdPos),
true = ets:delete(Set),
true = ets:delete(OrdSet),
ok.
update_element(T,Tuple,KeyPos,UpdPos) ->
KeyList = [Key || Key <- [17,"seventeen",<<"seventeen">>,{17},list_to_binary(lists:seq(1,100)),
make_ref(), self()]],
lists:foreach(fun(Key) ->
TupleWithKey = setelement(KeyPos,Tuple,Key),
update_element_do(T,TupleWithKey,Key,UpdPos)
end,
KeyList).
update_element_do(Tab,Tuple,Key,UpdPos) ->
% Strategy: Step around in Values array and call ets:update_element for the values.
% Take Length number of steps of size 1, then of size 2, ..., Length-1.
% This will try all combinations of {fromValue,toValue}
%
% IMPORTANT: size(Values) must be a prime number for this to work!!!
Big32 = 16#12345678,
Big64 = 16#123456789abcdef0,
Values = { 623, -27, 0, Big32, -Big32, Big64, -Big64, Big32*Big32,
-Big32*Big32, Big32*Big64, -Big32*Big64, Big64*Big64, -Big64*Big64,
"A", "Sverker", [], {12,-132}, {},
<<45,232,0,12,133>>, <<234,12,23>>, list_to_binary(lists:seq(1,100)),
(fun(X) -> X*Big32 end),
make_ref(), make_ref(), self(), ok, update_element, 28, 29 },
Length = size(Values),
PosValArgF = fun(ToIx, ResList, [Pos | PosTail], Rand, MeF) ->
NextIx = (ToIx+Rand) rem Length,
MeF(NextIx, [{Pos,element(ToIx+1,Values)} | ResList], PosTail, Rand, MeF);
(_ToIx, ResList, [], _Rand, _MeF) ->
ResList;
(ToIx, [], Pos, _Rand, _MeF) ->
{Pos, element(ToIx+1,Values)} % single {pos,value} arg
end,
UpdateF = fun(ToIx,Rand) ->
PosValArg = PosValArgF(ToIx,[],UpdPos,Rand,PosValArgF),
%%io:format("update_element(~p)~n",[PosValArg]),
ArgHash = erlang:phash2({Tab,Key,PosValArg}),
?line true = ets:update_element(Tab, Key, PosValArg),
?line ArgHash = erlang:phash2({Tab,Key,PosValArg}),
NewTuple = update_tuple(PosValArg,Tuple),
?line [NewTuple] = ets:lookup(Tab,Key)
end,
LoopF = fun(_FromIx, Incr, _Times, Checksum, _MeF) when Incr >= Length ->
Checksum; % done
(FromIx, Incr, 0, Checksum, MeF) ->
MeF(FromIx, Incr+1, Length, Checksum, MeF);
(FromIx, Incr, Times, Checksum, MeF) ->
ToIx = (FromIx + Incr) rem Length,
UpdateF(ToIx,Checksum),
if
Incr =:= 0 -> UpdateF(ToIx,Checksum); % extra update to same value
true -> true
end,
MeF(ToIx, Incr, Times-1, Checksum+ToIx+1, MeF)
end,
FirstTuple = Tuple,
?line true = ets:insert(Tab,FirstTuple),
?line [FirstTuple] = ets:lookup(Tab,Key),
Checksum = LoopF(0, 1, Length, 0, LoopF),
?line Checksum = (Length-1)*Length*(Length+1) div 2, % if Length is a prime
ok.
update_tuple({Pos,Val}, Tpl) ->
setelement(Pos, Tpl, Val);
update_tuple([{Pos,Val} | Tail], Tpl) ->
update_tuple(Tail,setelement(Pos, Tpl, Val));
update_tuple([], Tpl) ->
Tpl.
update_element_neg(Opts) ->
Set = ets_new(set,Opts),
OrdSet = ets_new(ordered_set,[ordered_set | Opts]),
update_element_neg_do(Set),
update_element_neg_do(OrdSet),
ets:delete(Set),
?line {'EXIT',{badarg,_}} = (catch ets:update_element(Set,key,{2,1})),
ets:delete(OrdSet),
?line {'EXIT',{badarg,_}} = (catch ets:update_element(OrdSet,key,{2,1})),
?line Bag = ets_new(bag,[bag | Opts]),
?line DBag = ets_new(duplicate_bag,[duplicate_bag | Opts]),
?line {'EXIT',{badarg,_}} = (catch ets:update_element(Bag,key,{2,1})),
?line {'EXIT',{badarg,_}} = (catch ets:update_element(DBag,key,{2,1})),
true = ets:delete(Bag),
true = ets:delete(DBag),
ok.
update_element_neg_do(T) ->
Object = {key, 0, "Hej"},
?line true = ets:insert(T,Object),
UpdateF = fun(Arg3) ->
ArgHash = erlang:phash2({T,key,Arg3}),
?line {'EXIT',{badarg,_}} = (catch ets:update_element(T,key,Arg3)),
?line ArgHash = erlang:phash2({T,key,Arg3}),
?line [Object] = ets:lookup(T,key)
end,
%% List of invalid {Pos,Value} tuples
InvList = [false, {2}, {2,1,false}, {false,1}, {0,1}, {1,1}, {-1,1}, {4,1}],
lists:foreach(UpdateF, InvList),
lists:foreach(fun(InvTpl) -> UpdateF([{2,1},InvTpl]) end, InvList),
lists:foreach(fun(InvTpl) -> UpdateF([InvTpl,{2,1}]) end, InvList),
lists:foreach(fun(InvTpl) -> UpdateF([{2,1},{3,"Hello"},InvTpl]) end, InvList),
lists:foreach(fun(InvTpl) -> UpdateF([{3,"Hello"},{2,1},InvTpl]) end, InvList),
lists:foreach(fun(InvTpl) -> UpdateF([{2,1},InvTpl,{3,"Hello"}]) end, InvList),
lists:foreach(fun(InvTpl) -> UpdateF([InvTpl,{3,"Hello"},{2,1}]) end, InvList),
UpdateF([{2,1} | {3,1}]),
lists:foreach(fun(InvTpl) -> UpdateF([{2,1} | InvTpl]) end, InvList),
?line true = ets:update_element(T,key,[]),
?line false = ets:update_element(T,false,[]),
?line false = ets:update_element(T,false,{2,1}),
?line ets:delete(T,key),
?line false = ets:update_element(T,key,{2,1}),
ok.
update_counter(doc) ->
["test various variants of update_counter"];
update_counter(suite) ->
[];
update_counter(Config) when is_list(Config) ->
?line EtsMem = etsmem(),
repeat_for_opts(update_counter_do),
?line verify_etsmem(EtsMem).
update_counter_do(Opts) ->
Set = ets_new(set,Opts),
OrdSet = ets_new(ordered_set,[ordered_set | Opts]),
update_counter_for(Set),
update_counter_for(OrdSet),
ets:delete(Set),
ets:delete(OrdSet),
update_counter_neg(Opts).
update_counter_for(T) ->
?line ets:insert(T,{a,1,1}),
?line 101 = ets:update_counter(T,a,100),
?line [{a,101,1}] = ets:lookup(T,a),
?line 101 = ets:update_counter(T,a,{3,100}),
?line [{a,101,101}] = ets:lookup(T,a),
LooperF = fun(Obj, 0, _, _) ->
Obj;
(Obj, Times, Arg3, Myself) ->
?line {NewObj, Ret} = uc_mimic(Obj,Arg3),
ArgHash = erlang:phash2({T,a,Arg3}),
?line Ret = ets:update_counter(T,a,Arg3),
?line ArgHash = erlang:phash2({T,a,Arg3}),
%%io:format("NewObj=~p~n ",[NewObj]),
?line [NewObj] = ets:lookup(T,a),
Myself(NewObj,Times-1,Arg3,Myself)
end,
LoopF = fun(Obj, Times, Arg3) ->
%%io:format("Loop start:\nObj = ~p\nArg3=~p\n",[Obj,Arg3]),
LooperF(Obj,Times,Arg3,LooperF)
end,
SmallMax32 = (1 bsl 27) - 1,
SmallMax64 = (1 bsl (27+32)) - 1,
Big1Max32 = (1 bsl 32) - 1,
Big1Max64 = (1 bsl 64) - 1,
Steps = 100,
Obj0 = {a,0,0,0,0},
?line ets:insert(T,Obj0),
?line Obj1 = LoopF(Obj0, Steps, {2,(SmallMax32 div Steps)*2}),
?line Obj2 = LoopF(Obj1, Steps, {3,(SmallMax64 div Steps)*2}),
?line Obj3 = LoopF(Obj2, Steps, {4,(Big1Max32 div Steps)*2}),
?line Obj4 = LoopF(Obj3, Steps, {5,(Big1Max64 div Steps)*2}),
?line Obj5 = LoopF(Obj4, Steps, {2,-(SmallMax32 div Steps)*4}),
?line Obj6 = LoopF(Obj5, Steps, {3,-(SmallMax64 div Steps)*4}),
?line Obj7 = LoopF(Obj6, Steps, {4,-(Big1Max32 div Steps)*4}),
?line Obj8 = LoopF(Obj7, Steps, {5,-(Big1Max64 div Steps)*4}),
?line Obj9 = LoopF(Obj8, Steps, {2,(SmallMax32 div Steps)*2}),
?line ObjA = LoopF(Obj9, Steps, {3,(SmallMax64 div Steps)*2}),
?line ObjB = LoopF(ObjA, Steps, {4,(Big1Max32 div Steps)*2}),
?line Obj0 = LoopF(ObjB, Steps, {5,(Big1Max64 div Steps)*2}),
%% back at zero, same trip again with lists
?line Obj4 = LoopF(Obj0,Steps,[{2, (SmallMax32 div Steps)*2},
{3, (SmallMax64 div Steps)*2},
{4, (Big1Max32 div Steps)*2},
{5, (Big1Max64 div Steps)*2}]),
?line Obj8 = LoopF(Obj4,Steps,[{4, -(Big1Max32 div Steps)*4},
{2, -(SmallMax32 div Steps)*4},
{5, -(Big1Max64 div Steps)*4},
{3, -(SmallMax64 div Steps)*4}]),
?line Obj0 = LoopF(Obj8,Steps,[{5, (Big1Max64 div Steps)*2},
{2, (SmallMax32 div Steps)*2},
{4, (Big1Max32 div Steps)*2},
{3, (SmallMax64 div Steps)*2}]),
%% make them shift size at the same time
?line ObjC = LoopF(Obj0,Steps,[{5, (Big1Max64 div Steps)*2},
{3, (Big1Max64 div Steps)*2 + 1},
{2, -(Big1Max64 div Steps)*2},
{4, -(Big1Max64 div Steps)*2 + 1}]),
%% update twice in same list
?line ObjD = LoopF(ObjC,Steps,[{5, -(Big1Max64 div Steps) + 1},
{3, -(Big1Max64 div Steps)*2 - 1},
{5, -(Big1Max64 div Steps) - 1},
{4, (Big1Max64 div Steps)*2 - 1}]),
?line Obj0 = LoopF(ObjD,Steps,[{2, (Big1Max64 div Steps) - 1},
{4, Big1Max64*2},
{2, (Big1Max64 div Steps) + 1},
{4, -Big1Max64*2}]),
%% warping with list
?line ObjE = LoopF(Obj0,1000,
[{3,SmallMax32*4 div 5,SmallMax32*2,-SmallMax32*2},
{5,-SmallMax64*4 div 7,-SmallMax64*2,SmallMax64*2},
{4,-Big1Max32*4 div 11,-Big1Max32*2,Big1Max32*2},
{2,Big1Max64*4 div 13,Big1Max64*2,-Big1Max64*2}]),
%% warping without list
?line ObjF = LoopF(ObjE,1000,{3,SmallMax32*4 div 5,SmallMax32*2,-SmallMax32*2}),
?line ObjG = LoopF(ObjF,1000,{5,-SmallMax64*4 div 7,-SmallMax64*2,SmallMax64*2}),
?line ObjH = LoopF(ObjG,1000,{4,-Big1Max32*4 div 11,-Big1Max32*2,Big1Max32*2}),
?line ObjI = LoopF(ObjH,1000,{2,Big1Max64*4 div 13,Big1Max64*2,-Big1Max64*2}),
%% mixing it up
?line LoopF(ObjI,1000,
[{3,SmallMax32*4 div 5,SmallMax32*2,-SmallMax32*2},
{5,-SmallMax64*4 div 3},
{3,-SmallMax32*4 div 11},
{5,0},
{4,1},
{5,-SmallMax64*4 div 7,-SmallMax64*2,SmallMax64*2},
{2,Big1Max64*4 div 13,Big1Max64*2,-Big1Max64*2}]),
ok.
%% uc_mimic works kind of like the real ets:update_counter
%% Obj = Tuple in ets
%% Pits = {Pos,Incr} | {Pos,Incr,Thres,Warp}
%% Returns {Updated tuple in ets, Return value from update_counter}
uc_mimic(Obj, Pits) when is_tuple(Pits) ->
?line Pos = element(1,Pits),
?line NewObj = setelement(Pos, Obj, uc_adder(element(Pos,Obj),Pits)),
?line {NewObj, element(Pos,NewObj)};
uc_mimic(Obj, PitsList) when is_list(PitsList) ->
?line {NewObj,ValList} = uc_mimic(Obj,PitsList,[]),
?line {NewObj,lists:reverse(ValList)}.
uc_mimic(Obj, [], Acc) ->
?line {Obj,Acc};
uc_mimic(Obj, [Pits|Tail], Acc) ->
?line {NewObj,NewVal} = uc_mimic(Obj,Pits),
?line uc_mimic(NewObj,Tail,[NewVal|Acc]).
uc_adder(Init, {_Pos, Add}) ->
Init + Add;
uc_adder(Init, {_Pos, Add, Thres, Warp}) ->
case Init + Add of
X when X > Thres, Add > 0 ->
Warp;
Y when Y < Thres, Add < 0 ->
Warp;
Z ->
Z
end.
update_counter_neg(Opts) ->
Set = ets_new(set,Opts),
OrdSet = ets_new(ordered_set,[ordered_set | Opts]),
update_counter_neg_for(Set),
update_counter_neg_for(OrdSet),
ets:delete(Set),
?line {'EXIT',{badarg,_}} = (catch ets:update_counter(Set,key,1)),
ets:delete(OrdSet),
?line {'EXIT',{badarg,_}} = (catch ets:update_counter(OrdSet,key,1)),
?line Bag = ets_new(bag,[bag | Opts]),
?line DBag = ets_new(duplicate_bag,[duplicate_bag | Opts]),
?line {'EXIT',{badarg,_}} = (catch ets:update_counter(Bag,key,1)),
?line {'EXIT',{badarg,_}} = (catch ets:update_counter(DBag,key,1)),
true = ets:delete(Bag),
true = ets:delete(DBag),
ok.
update_counter_neg_for(T) ->
Object = {key,0,false,1},
?line true = ets:insert(T,Object),
UpdateF = fun(Arg3) ->
ArgHash = erlang:phash2({T,key,Arg3}),
?line {'EXIT',{badarg,_}} = (catch ets:update_counter(T,key,Arg3)),
?line ArgHash = erlang:phash2({T,key,Arg3}),
?line [Object] = ets:lookup(T,key)
end,
%% List of invalid arg3-tuples
InvList = [false, {2}, {2,false}, {false,1},
{0,1}, {-1,1}, % BUG < R12B-2
{1,1}, {3,1}, {5,1}, {2,1,100}, {2,1,100,0,false}, {2,1,false,0}, {2,1,0,false}],
lists:foreach(UpdateF, InvList),
lists:foreach(fun(Inv) -> UpdateF([{2,1},Inv]) end, InvList),
lists:foreach(fun(Inv) -> UpdateF([Inv,{2,1}]) end, InvList),
lists:foreach(fun(Inv) -> UpdateF([{2,1},{4,-100},Inv]) end, InvList),
lists:foreach(fun(Inv) -> UpdateF([{4,100,50,0},{2,1},Inv]) end, InvList),
lists:foreach(fun(Inv) -> UpdateF([{2,1},Inv,{4,100,50,0}]) end, InvList),
lists:foreach(fun(Inv) -> UpdateF([Inv,{4,100,50,0},{2,1}]) end, InvList),
UpdateF([{2,1} | {4,1}]),
lists:foreach(fun(Inv) -> UpdateF([{2,1} | Inv]) end, InvList),
?line {'EXIT',{badarg,_}} = (catch ets:update_counter(T,false,1)),
?line ets:delete(T,key),
?line {'EXIT',{badarg,_}} = (catch ets:update_counter(T,key,1)),
ok.
evil_update_counter(Config) when is_list(Config) ->
%% The code server uses ets table. Pre-load modules that might not be
%% already loaded.
gb_sets:module_info(),
math:module_info(),
ordsets:module_info(),
random:module_info(),
repeat_for_opts(evil_update_counter_do).
evil_update_counter_do(Opts) ->
?line EtsMem = etsmem(),
?line process_flag(trap_exit, true),
?line Pids = [spawn_link(fun() -> evil_counter(I,Opts) end) || I <- lists:seq(1, 40)],
?line wait_for_all(gb_sets:from_list(Pids)),
?line verify_etsmem(EtsMem),
ok.
wait_for_all(Pids0) ->
case gb_sets:is_empty(Pids0) of
true ->
ok;
false ->
receive
{'EXIT',Pid,normal} ->
?line Pids = gb_sets:delete(Pid, Pids0),
wait_for_all(Pids);
Other ->
io:format("unexpected: ~p\n", [Other]),
?line ?t:fail()
end
end.
evil_counter(I,Opts) ->
T = ets_new(a, Opts),
Start0 = case I rem 3 of
0 -> 16#12345678;
1 -> 16#12345678FFFFFFFF;
2 -> 16#7777777777FFFFFFFF863648726743
end,
Start = Start0 + random:uniform(100000),
ets:insert(T, {dracula,Start}),
Iter = 40000,
End = Start + Iter,
End = evil_counter_1(Iter, T),
ets:delete(T).
evil_counter_1(0, T) ->
[{dracula,Count}] = ets:lookup(T, dracula),
Count;
evil_counter_1(Iter, T) ->
ets:update_counter(T, dracula, 1),
evil_counter_1(Iter-1, T).
fixtable_next(doc) ->
["Check that a first-next sequence always works on a fixed table"];
fixtable_next(suite) ->
[];
fixtable_next(Config) when is_list(Config) ->
repeat_for_opts(fixtable_next_do, [write_concurrency,all_types]).
fixtable_next_do(Opts) ->
?line EtsMem = etsmem(),
?line do_fixtable_next(ets_new(set,[public | Opts])),
?line verify_etsmem(EtsMem).
do_fixtable_next(Tab) ->
?line F = fun(X,T,FF) -> case X of
0 -> true;
_ ->
ets:insert(T, {X,
integer_to_list(X),
X rem 10}),
FF(X-1,T,FF)
end
end,
?line F(100,Tab,F),
?line ets:safe_fixtable(Tab,true),
?line First = ets:first(Tab),
?line ets:delete(Tab, First),
?line ets:next(Tab, First),
?line ets:match_delete(Tab,{'_','_','_'}),
?line '$end_of_table' = ets:next(Tab, First),
?line true = ets:info(Tab, fixed),
?line ets:safe_fixtable(Tab, false),
?line false = ets:info(Tab, fixed),
?line ets:delete(Tab).
fixtable_insert(doc) ->
["Check inserts of deleted keys in fixed bags"];
fixtable_insert(suite) ->
[];
fixtable_insert(Config) when is_list(Config) ->
Combos = [[Type,{write_concurrency,WC}] || Type<- [bag,duplicate_bag],
WC <- [false,true]],
lists:foreach(fun(Opts) -> fixtable_insert_do(Opts) end,
Combos),
ok.
fixtable_insert_do(Opts) ->
io:format("Opts = ~p\n",[Opts]),
Ets = make_table(ets, Opts, [{a,1}, {a,2}, {b,1}, {b,2}]),
ets:safe_fixtable(Ets,true),
ets:match_delete(Ets,{b,1}),
First = ets:first(Ets),
?line Next = case First of
a -> b;
b -> a
end,
?line Next = ets:next(Ets,First),
ets:delete(Ets,Next),
?line '$end_of_table' = ets:next(Ets,First),
ets:insert(Ets, {Next,1}),
?line false = ets:insert_new(Ets, {Next,1}),
?line Next = ets:next(Ets,First),
?line '$end_of_table' = ets:next(Ets,Next),
ets:delete(Ets,Next),
'$end_of_table' = ets:next(Ets,First),
ets:insert(Ets, {Next,2}),
?line false = ets:insert_new(Ets, {Next,1}),
Next = ets:next(Ets,First),
'$end_of_table' = ets:next(Ets,Next),
ets:delete(Ets,First),
?line Next = ets:first(Ets),
?line '$end_of_table' = ets:next(Ets,Next),
ets:delete(Ets,Next),
?line '$end_of_table' = ets:next(Ets,First),
?line true = ets:insert_new(Ets,{Next,1}),
?line false = ets:insert_new(Ets,{Next,2}),
?line Next = ets:next(Ets,First),
ets:delete_object(Ets,{Next,1}),
?line '$end_of_table' = ets:next(Ets,First),
?line true = ets:insert_new(Ets,{Next,2}),
?line false = ets:insert_new(Ets,{Next,1}),
?line Next = ets:next(Ets,First),
ets:delete(Ets,First),
ets:safe_fixtable(Ets,false),
{'EXIT',{badarg,_}} = (catch ets:next(Ets,First)),
ok.
write_concurrency(doc) -> ["The 'write_concurrency' option"];
write_concurrency(suite) -> [];
write_concurrency(Config) when is_list(Config) ->
?line EtsMem = etsmem(),
Yes1 = ets_new(foo,[public,{write_concurrency,true}]),
Yes2 = ets_new(foo,[protected,{write_concurrency,true}]),
No1 = ets_new(foo,[private,{write_concurrency,true}]),
Yes3 = ets_new(foo,[bag,public,{write_concurrency,true}]),
Yes4 = ets_new(foo,[bag,protected,{write_concurrency,true}]),
No2 = ets_new(foo,[bag,private,{write_concurrency,true}]),
Yes5 = ets_new(foo,[duplicate_bag,public,{write_concurrency,true}]),
Yes6 = ets_new(foo,[duplicate_bag,protected,{write_concurrency,true}]),
No3 = ets_new(foo,[duplicate_bag,private,{write_concurrency,true}]),
No4 = ets_new(foo,[ordered_set,public,{write_concurrency,true}]),
No5 = ets_new(foo,[ordered_set,protected,{write_concurrency,true}]),
No6 = ets_new(foo,[ordered_set,private,{write_concurrency,true}]),
No7 = ets_new(foo,[public,{write_concurrency,false}]),
No8 = ets_new(foo,[protected,{write_concurrency,false}]),
?line YesMem = ets:info(Yes1,memory),
?line NoHashMem = ets:info(No1,memory),
?line NoTreeMem = ets:info(No4,memory),
io:format("YesMem=~p NoHashMem=~p NoTreeMem=~p\n",[YesMem,NoHashMem,NoTreeMem]),
?line YesMem = ets:info(Yes2,memory),
?line YesMem = ets:info(Yes3,memory),
?line YesMem = ets:info(Yes4,memory),
?line YesMem = ets:info(Yes5,memory),
?line YesMem = ets:info(Yes6,memory),
?line NoHashMem = ets:info(No2,memory),
?line NoHashMem = ets:info(No3,memory),
?line NoTreeMem = ets:info(No5,memory),
?line NoTreeMem = ets:info(No6,memory),
?line NoHashMem = ets:info(No7,memory),
?line NoHashMem = ets:info(No8,memory),
case erlang:system_info(smp_support) of
true ->
?line true = YesMem > NoHashMem,
?line true = YesMem > NoTreeMem;
false ->
?line true = YesMem =:= NoHashMem
end,
?line {'EXIT',{badarg,_}} = (catch ets_new(foo,[public,{write_concurrency,foo}])),
?line {'EXIT',{badarg,_}} = (catch ets_new(foo,[public,{write_concurrency}])),
?line {'EXIT',{badarg,_}} = (catch ets_new(foo,[public,{write_concurrency,true,foo}])),
?line {'EXIT',{badarg,_}} = (catch ets_new(foo,[public,write_concurrency])),
lists:foreach(fun(T) -> ets:delete(T) end,
[Yes1,Yes2,Yes3,Yes4,Yes5,Yes6,
No1,No2,No3,No4,No5,No6,No7,No8]),
?line verify_etsmem(EtsMem),
ok.
heir(doc) -> ["The 'heir' option"];
heir(suite) -> [];
heir(Config) when is_list(Config) ->
repeat_for_opts(heir_do).
heir_do(Opts) ->
?line EtsMem = etsmem(),
Master = self(),
%% Different types of heir data and link/monitor relations
TestFun = fun(Arg) -> {EtsMem,Arg} end,
Combos = [{Data,Mode} || Data<-[foo_data, <<"binary">>,
lists:seq(1,10), {17,TestFun,self()},
"The busy heir"],
Mode<-[none,link,monitor]],
?line lists:foreach(fun({Data,Mode})-> heir_1(Data,Mode,Opts) end,
Combos),
%% No heir
{Founder1,MrefF1} = spawn_monitor(fun()->heir_founder(Master,foo_data,Opts)end),
Founder1 ! {go, none},
?line {"No heir",Founder1} = receive_any(),
?line {'DOWN', MrefF1, process, Founder1, normal} = receive_any(),
?line undefined = ets:info(foo),
%% An already dead heir
{Heir2,MrefH2} = spawn_monitor(fun()->die end),
?line {'DOWN', MrefH2, process, Heir2, normal} = receive_any(),
{Founder2,MrefF2} = spawn_monitor(fun()->heir_founder(Master,foo_data,Opts)end),
Founder2 ! {go, Heir2},
?line {"No heir",Founder2} = receive_any(),
?line {'DOWN', MrefF2, process, Founder2, normal} = receive_any(),
?line undefined = ets:info(foo),
%% When heir dies before founder
{Founder3,MrefF3} = spawn_monitor(fun()->heir_founder(Master,"The dying heir",Opts)end),
{Heir3,MrefH3} = spawn_monitor(fun()->heir_heir(Founder3)end),
Founder3 ! {go, Heir3},
?line {'DOWN', MrefH3, process, Heir3, normal} = receive_any(),
Founder3 ! die_please,
?line {'DOWN', MrefF3, process, Founder3, normal} = receive_any(),
?line undefined = ets:info(foo),
%% When heir dies and pid reused before founder dies
erts_debug:set_internal_state(available_internal_state,true),
NextPidIx = erts_debug:get_internal_state(next_pid),
{Founder4,MrefF4} = spawn_monitor(fun()->heir_founder(Master,"The dying heir",Opts)end),
{Heir4,MrefH4} = spawn_monitor(fun()->heir_heir(Founder4)end),
Founder4 ! {go, Heir4},
?line {'DOWN', MrefH4, process, Heir4, normal} = receive_any(),
erts_debug:set_internal_state(next_pid, NextPidIx),
erts_debug:set_internal_state(available_internal_state,false),
{Heir4,MrefH4_B} = spawn_monitor_with_pid(Heir4,
fun()-> ?line die_please = receive_any() end),
Founder4 ! die_please,
?line {'DOWN', MrefF4, process, Founder4, normal} = receive_any(),
Heir4 ! die_please,
?line {'DOWN', MrefH4_B, process, Heir4, normal} = receive_any(),
?line undefined = ets:info(foo),
?line verify_etsmem(EtsMem).
heir_founder(Master, HeirData, Opts) ->
?line {go,Heir} = receive_any(),
HeirTpl = case Heir of
none -> {heir,none};
_ -> {heir, Heir, HeirData}
end,
?line T = ets_new(foo,[named_table, private, HeirTpl | Opts]),
?line true = ets:insert(T,{key,1}),
?line [{key,1}] = ets:lookup(T,key),
Self = self(),
?line Self = ets:info(T,owner),
?line case ets:info(T,heir) of
none ->
?line true = (Heir =:= none) orelse (not is_process_alive(Heir)),
Master ! {"No heir",self()};
Heir ->
?line true = is_process_alive(Heir),
Heir ! {table,T,HeirData},
die_please = receive_any()
end.
heir_heir(Founder) ->
heir_heir(Founder, none).
heir_heir(Founder, Mode) ->
?line {table,T,HeirData} = receive_any(),
?line {'EXIT',{badarg,_}} = (catch ets:lookup(T,key)),
?line case HeirData of
"The dying heir" -> exit(normal);
_ -> ok
end,
?line Mref = case Mode of
link -> process_flag(trap_exit, true),
link(Founder);
monitor -> erlang:monitor(process,Founder);
none -> ok
end,
?line Founder ! die_please,
?line Msg = case HeirData of
"The busy heir" -> receive_any_spinning();
_ -> receive_any()
end,
?line {'ETS-TRANSFER', T, Founder, HeirData} = Msg,
?line foo = T,
?line Self = self(),
?line Self = ets:info(T,owner),
?line Self = ets:info(T,heir),
?line [{key,1}] = ets:lookup(T,key),
?line true = ets:insert(T,{key,2}),
?line [{key,2}] = ets:lookup(T,key),
?line case Mode of % Verify that EXIT or DOWN comes after ETS-TRANSFER
link ->
{'EXIT',Founder,normal} = receive_any(),
process_flag(trap_exit, false);
monitor ->
{'DOWN', Mref, process, Founder, normal} = receive_any();
none -> ok
end.
heir_1(HeirData,Mode,Opts) ->
io:format("test with heir_data = ~p\n", [HeirData]),
Master = self(),
?line Founder = spawn_link(fun() -> heir_founder(Master,HeirData,Opts) end),
io:format("founder spawned = ~p\n", [Founder]),
?line {Heir,Mref} = spawn_monitor(fun() -> heir_heir(Founder,Mode) end),
io:format("heir spawned = ~p\n", [{Heir,Mref}]),
?line Founder ! {go, Heir},
?line {'DOWN', Mref, process, Heir, normal} = receive_any().
give_away(doc) -> ["ets:give_way/3"];
give_away(suite) -> [];
give_away(Config) when is_list(Config) ->
repeat_for_opts(give_away_do).
give_away_do(Opts) ->
?line T = ets_new(foo,[named_table, private | Opts]),
?line true = ets:insert(T,{key,1}),
?line [{key,1}] = ets:lookup(T,key),
Parent = self(),
%% Give and then give back
?line {Receiver,Mref} = spawn_monitor(fun()-> give_away_receiver(T,Parent) end),
?line give_me = receive_any(),
?line true = ets:give_away(T,Receiver,here_you_are),
?line {'EXIT',{badarg,_}} = (catch ets:lookup(T,key)),
?line Receiver ! give_back,
?line {'ETS-TRANSFER',T,Receiver,"Tillbakakaka"} = receive_any(),
?line [{key,2}] = ets:lookup(T,key),
?line {'DOWN', Mref, process, Receiver, normal} = receive_any(),
%% Give and then let receiver keep it
?line true = ets:insert(T,{key,1}),
?line {Receiver3,Mref3} = spawn_monitor(fun()-> give_away_receiver(T,Parent) end),
?line give_me = receive_any(),
?line true = ets:give_away(T,Receiver3,here_you_are),
?line {'EXIT',{badarg,_}} = (catch ets:lookup(T,key)),
?line Receiver3 ! die_please,
?line {'DOWN', Mref3, process, Receiver3, normal} = receive_any(),
?line undefined = ets:info(T),
%% Give and then kill receiver to get back
?line T2 = ets_new(foo,[private | Opts]),
?line true = ets:insert(T2,{key,1}),
?line ets:setopts(T2,{heir,self(),"Som en gummiboll..."}),
?line {Receiver2,Mref2} = spawn_monitor(fun()-> give_away_receiver(T2,Parent) end),
?line give_me = receive_any(),
?line true = ets:give_away(T2,Receiver2,here_you_are),
?line {'EXIT',{badarg,_}} = (catch ets:lookup(T2,key)),
?line Receiver2 ! die_please,
?line {'ETS-TRANSFER',T2,Receiver2,"Som en gummiboll..."} = receive_any(),
?line [{key,2}] = ets:lookup(T2,key),
?line {'DOWN', Mref2, process, Receiver2, normal} = receive_any(),
%% Some negative testing
?line {'EXIT',{badarg,_}} = (catch ets:give_away(T2,Receiver,"To a dead one")),
?line {'EXIT',{badarg,_}} = (catch ets:give_away(T2,self(),"To myself")),
?line {'EXIT',{badarg,_}} = (catch ets:give_away(T2,"not a pid","To wrong type")),
?line true = ets:delete(T2),
?line {ReceiverNeg,MrefNeg} = spawn_monitor(fun()-> give_away_receiver(T2,Parent) end),
?line give_me = receive_any(),
?line {'EXIT',{badarg,_}} = (catch ets:give_away(T2,ReceiverNeg,"A deleted table")),
?line T3 = ets_new(foo,[public | Opts]),
spawn_link(fun()-> {'EXIT',{badarg,_}} = (catch ets:give_away(T3,ReceiverNeg,"From non owner")),
Parent ! done
end),
?line done = receive_any(),
?line ReceiverNeg ! no_soup_for_you,
?line {'DOWN', MrefNeg, process, ReceiverNeg, normal} = receive_any(),
ok.
give_away_receiver(T, Giver) ->
?line {'EXIT',{badarg,_}} = (catch ets:lookup(T,key)),
?line Giver ! give_me,
?line case receive_any() of
{'ETS-TRANSFER',T,Giver,here_you_are} ->
?line [{key,1}] = ets:lookup(T,key),
?line true = ets:insert(T,{key,2}),
?line case receive_any() of
give_back ->
?line true = ets:give_away(T,Giver,"Tillbakakaka"),
?line {'EXIT',{badarg,_}} = (catch ets:lookup(T,key));
die_please ->
ok
end;
no_soup_for_you ->
ok
end.
setopts(doc) -> ["ets:setopts/2"];
setopts(suite) -> [];
setopts(Config) when is_list(Config) ->
repeat_for_opts(setopts_do,[write_concurrency,all_types]).
setopts_do(Opts) ->
Self = self(),
?line T = ets_new(foo,[named_table, private | Opts]),
?line none = ets:info(T,heir),
Heir = spawn_link(fun()->heir_heir(Self) end),
?line ets:setopts(T,{heir,Heir,"Data"}),
?line Heir = ets:info(T,heir),
?line ets:setopts(T,{heir,self(),"Data"}),
?line Self = ets:info(T,heir),
?line ets:setopts(T,[{heir,Heir,"Data"}]),
?line Heir = ets:info(T,heir),
?line ets:setopts(T,[{heir,none}]),
?line none = ets:info(T,heir),
?line {'EXIT',{badarg,_}} = (catch ets:setopts(T,[{heir,self(),"Data"},false])),
?line {'EXIT',{badarg,_}} = (catch ets:setopts(T,{heir,self()})),
?line {'EXIT',{badarg,_}} = (catch ets:setopts(T,{heir,false})),
?line {'EXIT',{badarg,_}} = (catch ets:setopts(T,heir)),
?line {'EXIT',{badarg,_}} = (catch ets:setopts(T,{heir,false,"Data"})),
?line {'EXIT',{badarg,_}} = (catch ets:setopts(T,{false,self(),"Data"})),
?line ets:setopts(T,{protection,protected}),
?line ets:setopts(T,{protection,public}),
?line ets:setopts(T,{protection,private}),
?line ets:setopts(T,[{protection,protected}]),
?line ets:setopts(T,[{protection,public}]),
?line ets:setopts(T,[{protection,private}]),
?line {'EXIT',{badarg,_}} = (catch ets:setopts(T,{protection})),
?line {'EXIT',{badarg,_}} = (catch ets:setopts(T,{protection,false})),
?line {'EXIT',{badarg,_}} = (catch ets:setopts(T,{protection,private,false})),
?line {'EXIT',{badarg,_}} = (catch ets:setopts(T,protection)),
?line ets:delete(T),
ok.
bad_table(doc) -> ["All kinds of operations with bad table argument"];
bad_table(suite) -> [];
bad_table(Config) when is_list(Config) ->
%% Open and close disk_log to stabilize etsmem.
Name = make_ref(),
?line File = filename:join([?config(priv_dir, Config),"bad_table.dummy"]),
?line {ok, Name} = disk_log:open([{name, Name}, {file, File}]),
?line disk_log:close(Name),
file:delete(File),
?line EtsMem = etsmem(),
repeat_for_opts(fun(Opts) -> bad_table_do(Opts,File) end,
[write_concurrency, all_types]),
?line verify_etsmem(EtsMem),
ok.
bad_table_do(Opts, DummyFile) ->
Parent = self(),
{Pid,Mref} = spawn_opt(fun()-> ets_new(priv,[private,named_table | Opts]),
Priv = ets_new(priv,[private | Opts]),
ets_new(prot,[protected,named_table | Opts]),
Prot = ets_new(prot,[protected | Opts]),
Parent ! {self(),Priv,Prot},
die_please = receive_any()
end,
[link, monitor]),
{Pid,Priv,Prot} = receive_any(),
MatchSpec = {{key,'_'}, [], ['$$']},
Fun = fun(X,_) -> X end,
OpList = [{delete,[key],update},
{delete_all_objects,[],update},
{delete_object,[{key,data}],update},
{first,[],read},
{foldl,[Fun, 0], read, tabarg_last},
{foldr,[Fun, 0], read, tabarg_last},
%%{from_dets,[DetsTab], update},
{give_away,[Pid, data], update},
%%{info, [], read},
%%{info, [safe_fixed], read},
%%{init_table,[Name, InitFun],update},
{insert, [{key,data}], update},
{insert_new, [{key,data}], update},
{insert_new, [[{key,data},{other,data}]], update},
{last, [], read},
{lookup, [key], read},
{lookup_element, [key, 2], read},
{match, [{}], read},
{match, [{},17], read},
{match_delete, [{}], update},
{match_object, [{}], read},
{match_object, [{},17], read},
{member,[key], read},
{next, [key], read},
{prev, [key], read},
{rename, [new_name], update},
{safe_fixtable, [true], read},
{select,[MatchSpec], read},
{select,[MatchSpec,17], read},
{select_count,[MatchSpec], read},
{select_delete,[MatchSpec], update},
{setopts, [{heir,none}], update},
{slot, [0], read},
{tab2file, [DummyFile], read, {return,{error,badtab}}},
{tab2file, [DummyFile,[]], read, {return,{error,badtab}}},
{tab2list, [], read},
%%{table,[], read},
%%{to_dets, [DetsTab], read},
{update_counter,[key,1], update},
{update_element,[key,{2,new_data}], update}
],
Info = {Opts, Priv, Prot},
lists:foreach(fun(Op) -> bad_table_op(Info, Op) end,
OpList),
Pid ! die_please,
{'DOWN', Mref, process, Pid, normal} = receive_any(),
ok.
bad_table_op({Opts,Priv,Prot}, Op) ->
%%io:format("Doing Op=~p on ~p's\n",[Op,Type]),
T1 = ets_new(noname,Opts),
bad_table_call(noname,Op),
ets:delete(T1),
bad_table_call(T1,Op),
T2 = ets_new(named,[named_table | Opts]),
ets:delete(T2),
bad_table_call(named,Op),
bad_table_call(T2,Op),
bad_table_call(priv,Op),
bad_table_call(Priv,Op),
case element(3,Op) of
update ->
bad_table_call(prot,Op),
bad_table_call(Prot,Op);
read -> ok
end.
bad_table_call(T,{F,Args,_}) ->
?line {'EXIT',{badarg,_}} = (catch apply(ets, F, [T|Args]));
bad_table_call(T,{F,Args,_,tabarg_last}) ->
?line {'EXIT',{badarg,_}} = (catch apply(ets, F, Args++[T]));
bad_table_call(T,{F,Args,_,{return,Return}}) ->
try
?line Return = apply(ets, F, [T|Args])
catch
error:badarg -> ok
end.
rename(doc) ->
["Check rename of ets tables"];
rename(suite) ->
[];
rename(Config) when is_list(Config) ->
repeat_for_opts(rename_do, [write_concurrency, all_types]).
rename_do(Opts) ->
?line EtsMem = etsmem(),
ets_new(foobazz,[named_table, public | Opts]),
ets:insert(foobazz,{foo,bazz}),
ungermanbazz = ets:rename(foobazz,ungermanbazz),
{'EXIT',{badarg, _}} = (catch ets:lookup(foobazz,foo)),
[{foo,bazz}] = ets:lookup(ungermanbazz,foo),
{'EXIT',{badarg,_}} = (catch ets:rename(ungermanbazz,"no atom")),
ets:delete(ungermanbazz),
?line verify_etsmem(EtsMem).
rename_unnamed(doc) ->
["Check rename of unnamed ets table"];
rename_unnamed(suite) ->
[];
rename_unnamed(Config) when is_list(Config) ->
repeat_for_opts(rename_unnamed_do,[write_concurrency,all_types]).
rename_unnamed_do(Opts) ->
?line EtsMem = etsmem(),
?line Tab = ets_new(bonkz,[public | Opts]),
?line {'EXIT',{badarg, _}} = (catch ets:insert(bonkz,{foo,bazz})),
?line bonkz = ets:info(Tab, name),
?line Tab = ets:rename(Tab, tjabonkz),
?line {'EXIT',{badarg, _}} = (catch ets:insert(tjabonkz,{foo,bazz})),
?line tjabonkz = ets:info(Tab, name),
?line ets:delete(Tab),
?line verify_etsmem(EtsMem).
evil_rename(doc) ->
"Rename a table with many fixations, and at the same time delete it.";
evil_rename(Config) when is_list(Config) ->
?line evil_rename_1(old_hash, new_hash, [public,named_table]),
?line EtsMem = etsmem(),
?line evil_rename_1(old_tree, new_tree, [public,ordered_set,named_table]),
?line verify_etsmem(EtsMem).
evil_rename_1(Old, New, Flags) ->
?line process_flag(trap_exit, true),
?line Old = ets_new(Old, Flags),
?line Fixer = fun() -> ets:safe_fixtable(Old, true) end,
?line crazy_fixtable(15000, Fixer),
?line erlang:yield(),
?line New = ets:rename(Old, New),
?line erlang:yield(),
ets:delete(New),
ok.
crazy_fixtable(N, Fixer) ->
Dracula = ets_new(count_dracula, [public]),
ets:insert(Dracula, {count,0}),
SpawnFun = fun() ->
Fixer(),
case ets:update_counter(Dracula, count, 1) rem 15 of
0 -> evil_creater_destroyer();
_ -> erlang:hibernate(erlang, error, [dont_wake_me])
end
end,
crazy_fixtable_1(N, SpawnFun),
crazy_fixtable_wait(N, Dracula),
Dracula.
crazy_fixtable_wait(N, Dracula) ->
case ets:lookup(Dracula, count) of
[{count,N}] ->
ets:delete(Dracula);
Other ->
io:format("~p\n", [Other]),
receive after 10 -> ok end,
crazy_fixtable_wait(N, Dracula)
end.
crazy_fixtable_1(0, _) ->
ok;
crazy_fixtable_1(N, Fun) ->
spawn_link(Fun),
crazy_fixtable_1(N-1, Fun).
evil_creater_destroyer() ->
T1 = evil_create_fixed_tab(),
ets:delete(T1).
evil_create_fixed_tab() ->
T = ets_new(arne, [public]),
ets:safe_fixtable(T, true),
T.
interface_equality(doc) ->
["Tests that the return values and errors are equal for set's and"
" ordered_set's where applicable"];
interface_equality(suite) ->
[];
interface_equality(Config) when is_list(Config) ->
repeat_for_opts(interface_equality_do).
interface_equality_do(Opts) ->
?line EtsMem = etsmem(),
?line Set = ets_new(set,[set | Opts]),
?line OrderedSet = ets_new(ordered_set,[ordered_set | Opts]),
?line F = fun(X,T,FF) -> case X of
0 -> true;
_ ->
ets:insert(T, {X,
integer_to_list(X),
X rem 10}),
FF(X-1,T,FF)
end
end,
?line F(100,Set,F),
?line F(100,OrderedSet,F),
?line equal_results(ets, insert, Set, OrderedSet, [{a,"a"}]),
?line equal_results(ets, insert, Set, OrderedSet, [{1,1,"1"}]),
?line equal_results(ets, lookup, Set, OrderedSet, [10]),
?line equal_results(ets, lookup, Set, OrderedSet, [1000]),
?line equal_results(ets, delete, Set, OrderedSet, [10]),
?line equal_results(ets, delete, Set, OrderedSet, [nott]),
?line equal_results(ets, lookup, Set, OrderedSet, [1000]),
?line equal_results(ets, insert, Set, OrderedSet, [10]),
?line equal_results(ets, next, Set, OrderedSet, ['$end_of_table']),
?line equal_results(ets, prev, Set, OrderedSet, ['$end_of_table']),
?line equal_results(ets, match, Set, OrderedSet, [{'_','_','_'}]),
?line equal_results(ets, match, Set, OrderedSet, [{'_','_','_','_'}]),
?line equal_results(ets, match, Set, OrderedSet, [{$3,$2,2}]),
?line equal_results(ets, match, Set, OrderedSet, ['_']),
?line equal_results(ets, match, Set, OrderedSet, ['$1']),
?line equal_results(ets, match, Set, OrderedSet, [{'_','$50',3}]),
?line equal_results(ets, match, Set, OrderedSet, [['_','$50',3]]),
?line equal_results(ets, match_delete, Set, OrderedSet, [{'_','_',4}]),
?line equal_results(ets, match_delete, Set, OrderedSet, [{'_','_',4}]),
?line equal_results(ets, match_object, Set, OrderedSet, [{'_','_',4}]),
?line equal_results(ets, match_object, Set, OrderedSet, [{'_','_',5}]),
?line equal_results(ets, match_object, Set, OrderedSet, [{'_','_',4}]),
?line equal_results(ets, match_object, Set, OrderedSet, ['_']),
?line equal_results(ets, match_object, Set, OrderedSet, ['$5011']),
?line equal_results(ets, match_delete, Set, OrderedSet, ['$20']),
?line equal_results(ets, lookup_element, Set, OrderedSet, [13,2]),
?line equal_results(ets, lookup_element, Set, OrderedSet, [13,4]),
?line equal_results(ets, lookup_element, Set, OrderedSet, [14,2]),
?line equal_results(ets, delete, Set, OrderedSet, []),
?line verify_etsmem(EtsMem).
equal_results(M, F, FirstArg1, FirstArg2 ,ACommon) ->
Res = maybe_sort((catch apply(M,F, [FirstArg1 | ACommon]))),
Res = maybe_sort((catch apply(M,F,[FirstArg2 | ACommon]))).
maybe_sort(L) when is_list(L) ->
lists:sort(L);
%maybe_sort({'EXIT',{Reason, [{Module, Function, _}|_]}}) ->
% {'EXIT',{Reason, [{Module, Function, '_'}]}};
maybe_sort({'EXIT',{Reason, List}}) when is_list(List) ->
{'EXIT',{Reason, lists:map(fun({Module, Function, _}) ->
{Module, Function, '_'}
end,
List)}};
maybe_sort(Any) ->
Any.
ordered_match(doc) ->
["Test match, match_object and match_delete in ordered set's"];
ordered_match(suite) ->
[];
ordered_match(Config) when is_list(Config)->
repeat_for_opts(ordered_match_do).
ordered_match_do(Opts) ->
?line EtsMem = etsmem(),
?line F = fun(X,T,FF) -> case X of
0 -> true;
_ ->
ets:insert(T, {X,
integer_to_list(X),
X rem 10,
X rem 100,
X rem 1000}),
FF(X-1,T,FF)
end
end,
?line T1 = ets_new(xxx,[ordered_set| Opts]),
?line F(3000,T1,F),
?line [[3,3],[3,3],[3,3]] = ets:match(T1, {'_','_','$1','$2',3}),
?line F2 = fun(X,Rem,Res,FF) -> case X of
0 -> [];
_ ->
case X rem Rem of
Res ->
FF(X-1,Rem,Res,FF) ++
[{X,
integer_to_list(X),
X rem 10,
X rem 100,
X rem 1000}];
_ ->
FF(X-1,Rem,Res,FF)
end
end
end,
?line OL1 = F2(3000,100,2,F2),
?line OL1 = ets:match_object(T1, {'_','_','_',2,'_'}),
?line true = ets:match_delete(T1,{'_','_','_',2,'_'}),
?line [] = ets:match_object(T1, {'_','_','_',2,'_'}),
?line OL2 = F2(3000,100,3,F2),
?line OL2 = ets:match_object(T1, {'_','_','_',3,'_'}),
?line ets:delete(T1),
?line verify_etsmem(EtsMem).
ordered(doc) ->
["Test basic functionality in ordered_set's."];
ordered(suite) ->
[];
ordered(Config) when is_list(Config) ->
repeat_for_opts(ordered_do).
ordered_do(Opts) ->
?line EtsMem = etsmem(),
?line T = ets_new(oset, [ordered_set | Opts]),
?line InsList = [
25,26,27,28,
5,6,7,8,
21,22,23,24,
9,10,11,12,
1,2,3,4,
17,18,19,20,
13,14,15,16
],
?line lists:foreach(fun(X) ->
ets:insert(T,{X,integer_to_list(X)})
end,
InsList),
?line IL2 = lists:map(fun(X) -> {X,integer_to_list(X)} end, InsList),
?line L1 = pick_all_forward(T),
?line L2 = pick_all_backwards(T),
?line S1 = lists:sort(IL2),
?line S2 = lists:reverse(lists:sort(IL2)),
?line S1 = L1,
?line S2 = L2,
?line [{1,"1"}] = ets:slot(T,0),
?line [{28,"28"}] = ets:slot(T,27),
?line 27 = ets:prev(T,28),
?line [{7,"7"}] = ets:slot(T,6),
?line '$end_of_table' = ets:next(T,28),
?line [{12,"12"}] = ets:slot(T,11),
?line '$end_of_table' = ets:slot(T,28),
?line [{1,"1"}] = ets:slot(T,0),
?line 28 = ets:prev(T,29),
?line 1 = ets:next(T,0),
?line pick_all_forward(T),
?line [{7,"7"}] = ets:slot(T,6),
?line L2 = pick_all_backwards(T),
?line [{7,"7"}] = ets:slot(T,6),
?line ets:delete(T),
?line verify_etsmem(EtsMem).
pick_all(_T,'$end_of_table',_How) ->
[];
pick_all(T,Last,How) ->
?line This = case How of
next ->
?line ets:next(T,Last);
prev ->
?line ets:prev(T,Last)
end,
?line [LastObj] = ets:lookup(T,Last),
?line [LastObj | pick_all(T,This,How)].
pick_all_forward(T) ->
?line pick_all(T,ets:first(T),next).
pick_all_backwards(T) ->
?line pick_all(T,ets:last(T),prev).
setbag(doc) -> ["Small test case for both set and bag type ets tables."];
setbag(suite) -> [];
setbag(Config) when is_list(Config) ->
?line EtsMem = etsmem(),
?line Set = ets_new(set,[set]),
?line Bag = ets_new(bag,[bag]),
?line Key = {foo,bar},
%% insert some value
?line ets:insert(Set,{Key,val1}),
?line ets:insert(Bag,{Key,val1}),
%% insert new value for same key again
?line ets:insert(Set,{Key,val2}),
?line ets:insert(Bag,{Key,val2}),
%% check
?line [{Key,val2}] = ets:lookup(Set,Key),
?line [{Key,val1},{Key,val2}] = ets:lookup(Bag,Key),
true = ets:delete(Set),
true = ets:delete(Bag),
?line verify_etsmem(EtsMem).
badnew(doc) ->
["Test case to check proper return values for illegal ets_new() calls."];
badnew(suite) -> [];
badnew(Config) when is_list(Config) ->
?line EtsMem = etsmem(),
?line {'EXIT',{badarg,_}} = (catch ets_new(12,[])),
?line {'EXIT',{badarg,_}} = (catch ets_new({a,b},[])),
?line {'EXIT',{badarg,_}} = (catch ets_new(name,[foo])),
?line {'EXIT',{badarg,_}} = (catch ets_new(name,{bag})),
?line {'EXIT',{badarg,_}} = (catch ets_new(name,bag)),
?line verify_etsmem(EtsMem).
verybadnew(doc) ->
["Test case to check that a not well formed list does not crash the "
"emulator. OTP-2314 "];
verybadnew(suite) -> [];
verybadnew(Config) when is_list(Config) ->
?line EtsMem = etsmem(),
?line {'EXIT',{badarg,_}} = (catch ets_new(verybad,[set|protected])),
?line verify_etsmem(EtsMem).
named(doc) -> ["Small check to see if named tables work."];
named(suite) -> [];
named(Config) when is_list(Config) ->
?line EtsMem = etsmem(),
?line Tab = make_table(foo,
[named_table],
[{key,val}]),
?line [{key,val}] = ets:lookup(foo,key),
?line true = ets:delete(Tab),
?line verify_etsmem(EtsMem).
keypos2(doc) -> ["Test case to check if specified keypos works."];
keypos2(suite) -> [];
keypos2(Config) when is_list(Config) ->
?line EtsMem = etsmem(),
?line Tab = make_table(foo,
[set,{keypos,2}],
[{val,key}, {val2,key}]),
?line [{val2,key}] = ets:lookup(Tab,key),
?line true = ets:delete(Tab),
?line verify_etsmem(EtsMem).
privacy(doc) ->
["Privacy check. Check that a named(public/private/protected) table "
"cannot be read by",
"the wrong process(es)."];
privacy(suite) -> [];
privacy(Config) when is_list(Config) ->
repeat_for_opts(privacy_do).
privacy_do(Opts) ->
?line EtsMem = etsmem(),
?line process_flag(trap_exit,true),
?line Owner = my_spawn_link(?MODULE,privacy_owner,[self(),Opts]),
receive
{'EXIT',Owner,Reason} ->
?line exit({privacy_test,Reason});
ok ->
ok
end,
privacy_check(pub,prot,priv),
Owner ! {shift,1,{pub,prot,priv}},
receive {Pub1,Prot1,Priv1} -> ok end,
privacy_check(Pub1,Prot1,Priv1),
Owner ! {shift,2,{Pub1,Prot1,Priv1}},
receive {Pub2,Prot2,Priv2} -> ok end,
privacy_check(Pub2,Prot2,Priv2),
Owner ! {shift,0,{Pub2,Prot2,Priv2}},
receive {Pub2,Prot2,Priv2} -> ok end,
privacy_check(Pub2,Prot2,Priv2),
Owner ! die,
receive {'EXIT',Owner,_} -> ok end,
?line verify_etsmem(EtsMem).
privacy_check(Pub,Prot,Priv) ->
%% check read rights
?line [] = ets:lookup(Pub, foo),
?line [] = ets:lookup(Prot,foo),
?line {'EXIT',{badarg,_}} = (catch ets:lookup(Priv,foo)),
%% check write rights
?line true = ets:insert(Pub, {1,foo}),
?line {'EXIT',{badarg,_}} = (catch ets:insert(Prot,{2,foo})),
?line {'EXIT',{badarg,_}} = (catch ets:insert(Priv,{3,foo})),
%% check that it really wasn't written, either
?line [] = ets:lookup(Prot,foo).
privacy_owner(Boss, Opts) ->
ets_new(pub, [public,named_table | Opts]),
ets_new(prot,[protected,named_table | Opts]),
ets_new(priv,[private,named_table | Opts]),
Boss ! ok,
privacy_owner_loop(Boss).
privacy_owner_loop(Boss) ->
receive
{shift,N,Pub_Prot_Priv} ->
{Pub,Prot,Priv} = rotate_tuple(Pub_Prot_Priv, N),
ets:setopts(Pub,{protection,public}),
ets:setopts(Prot,{protection,protected}),
ets:setopts(Priv,{protection,private}),
Boss ! {Pub,Prot,Priv},
privacy_owner_loop(Boss);
die -> ok
end.
rotate_tuple(Tuple, 0) ->
Tuple;
rotate_tuple(Tuple, N) ->
[H|T] = tuple_to_list(Tuple),
rotate_tuple(list_to_tuple(T ++ [H]), N-1).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
empty(doc) ->
["Check lookup in an empty table and lookup of a non-existing key"];
empty(suite) -> [];
empty(Config) when is_list(Config) ->
repeat_for_opts(empty_do).
empty_do(Opts) ->
?line EtsMem = etsmem(),
?line Tab = ets_new(foo,Opts),
?line [] = ets:lookup(Tab,key),
?line true = ets:insert(Tab,{key2,val}),
?line [] = ets:lookup(Tab,key),
?line true = ets:delete(Tab),
?line verify_etsmem(EtsMem).
badinsert(doc) ->
["Check proper return values for illegal insert operations."];
badinsert(suite) -> [];
badinsert(Config) when is_list(Config) ->
repeat_for_opts(badinsert_do).
badinsert_do(Opts) ->
?line EtsMem = etsmem(),
?line {'EXIT',{badarg,_}} = (catch ets:insert(foo,{key,val})),
?line Tab = ets_new(foo,Opts),
?line {'EXIT',{badarg,_}} = (catch ets:insert(Tab,{})),
?line Tab3 = ets_new(foo,[{keypos,3}| Opts]),
?line {'EXIT',{badarg,_}} = (catch ets:insert(Tab3,{a,b})),
?line {'EXIT',{badarg,_}} = (catch ets:insert(Tab,[key,val2])),
?line true = ets:delete(Tab),
?line true = ets:delete(Tab3),
?line verify_etsmem(EtsMem).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
time_lookup(doc) -> ["Lookup timing."];
time_lookup(suite) -> [];
time_lookup(Config) when is_list(Config) ->
%% just for timing, really
?line EtsMem = etsmem(),
Values = repeat_for_opts(time_lookup_do),
?line verify_etsmem(EtsMem),
?line {comment,lists:flatten(io_lib:format(
"~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
badlookup(doc) ->
["Check proper return values from bad lookups in existing/non existing "
" ets tables"];
badlookup(suite) -> [];
badlookup(Config) when is_list(Config) ->
?line EtsMem = etsmem(),
?line {'EXIT',{badarg,_}} = (catch ets:lookup(foo,key)),
?line Tab = ets_new(foo,[]),
?line ets:delete(Tab),
?line {'EXIT',{badarg,_}} = (catch ets:lookup(Tab,key)),
?line verify_etsmem(EtsMem).
lookup_order(doc) -> ["Test that lookup returns objects in order of insertion for bag and dbag."];
lookup_order(suite) -> [];
lookup_order(Config) when is_list(Config) ->
EtsMem = etsmem(),
repeat_for_opts(lookup_order_do, [write_concurrency,[bag,duplicate_bag]]),
?line verify_etsmem(EtsMem),
ok.
lookup_order_do(Opts) ->
lookup_order_2(Opts, false),
lookup_order_2(Opts, true).
lookup_order_2(Opts, Fixed) ->
io:format("Opts=~p Fixed=~p\n",[Opts,Fixed]),
A = 1, B = 2, C = 3,
ABC = [A,B,C],
Pair = [{A,B},{B,A},{A,C},{C,A},{B,C},{C,B}],
Combos = [{D1,D2,D3} || D1<-ABC, D2<-Pair, D3<-Pair],
lists:foreach(fun({D1,{D2a,D2b},{D3a,D3b}}) ->
T = ets_new(foo,Opts),
case Fixed of
true -> ets:safe_fixtable(T,true);
false -> ok
end,
S10 = {T,[],key},
S20 = check_insert(S10,A),
S30 = check_insert(S20,B),
S40 = check_insert(S30,C),
S50 = check_delete(S40,D1),
S55 = check_insert(S50,D1),
S60 = check_insert(S55,D1),
S70 = check_delete(S60,D2a),
S80 = check_delete(S70,D2b),
S90 = check_insert(S80,D2a),
SA0 = check_delete(S90,D3a),
SB0 = check_delete(SA0,D3b),
check_insert_new(SB0,D3b),
true = ets:delete(T)
end,
Combos).
check_insert({T,List0,Key},Val) ->
%%io:format("insert ~p into ~p\n",[Val,List0]),
ets:insert(T,{Key,Val}),
List1 = case (ets:info(T,type) =:= bag andalso
lists:member({Key,Val},List0)) of
true -> List0;
false -> [{Key,Val} | List0]
end,
check_check({T,List1,Key}).
check_insert_new({T,List0,Key},Val) ->
%%io:format("insert_new ~p into ~p\n",[Val,List0]),
Ret = ets:insert_new(T,{Key,Val}),
?line Ret = (List0 =:= []),
List1 = case Ret of
true -> [{Key,Val}];
false -> List0
end,
check_check({T,List1,Key}).
check_delete({T,List0,Key},Val) ->
%%io:format("delete ~p from ~p\n",[Val,List0]),
ets:delete_object(T,{Key,Val}),
List1 = lists:filter(fun(Obj) -> Obj =/= {Key,Val} end,
List0),
check_check({T,List1,Key}).
check_check(S={T,List,Key}) ->
case lists:reverse(ets:lookup(T,Key)) of
List -> ok;
ETS -> io:format("check failed:\nETS: ~p\nCHK: ~p\n", [ETS,List]),
?t:fail("Invalid return value from ets:lookup")
end,
?line Items = ets:info(T,size),
?line Items = length(List),
S.
fill_tab(Tab,Val) ->
?line ets:insert(Tab,{key,Val}),
?line ets:insert(Tab,{{a,144},Val}),
?line ets:insert(Tab,{{a,key2},Val}),
?line ets:insert(Tab,{14,Val}),
ok.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
lookup_element_mult(doc) -> ["Multiple return elements (OTP-2386)"];
lookup_element_mult(suite) -> [];
lookup_element_mult(Config) when is_list(Config) ->
repeat_for_opts(lookup_element_mult_do).
lookup_element_mult_do(Opts) ->
?line EtsMem = etsmem(),
?line T = ets_new(service, [bag, {keypos, 2} | Opts]),
?line D = lists:reverse(lem_data()),
?line lists:foreach(fun(X) -> ets:insert(T, X) end, D),
?line ok = lem_crash_3(T),
?line ets:insert(T, {0, "heap_key"}),
?line ets:lookup_element(T, "heap_key", 2),
?line true = ets:delete(T),
?line verify_etsmem(EtsMem).
lem_data() ->
[
{service,'eddie2@boromir',{150,236,14,103},httpd88,self()},
{service,'eddie2@boromir',{150,236,14,103},httpd80,self()},
{service,'eddie3@boromir',{150,236,14,107},httpd88,self()},
{service,'eddie3@boromir',{150,236,14,107},httpd80,self()},
{service,'eddie4@boromir',{150,236,14,108},httpd88,self()}
].
lem_crash(T) ->
L = ets:lookup_element(T, 'eddie2@boromir', 3),
{erlang:phash(L, 256), L}.
lem_crash_3(T) ->
lem_crash(T),
io:format("Survived once~n"),
lem_crash(T),
io:format("Survived twice~n"),
lem_crash(T),
io:format("Survived all!~n"),
ok.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
delete_elem(doc) ->
["Check delete of an element inserted in a `filled' table."];
delete_elem(suite) -> [];
delete_elem(Config) when is_list(Config) ->
repeat_for_opts(delete_elem_do, [write_concurrency, all_types]).
delete_elem_do(Opts) ->
?line EtsMem = etsmem(),
?line Tab = ets_new(foo,Opts),
?line fill_tab(Tab,foo),
?line ets:insert(Tab,{{b,key},foo}),
?line ets:insert(Tab,{{c,key},foo}),
?line true = ets:delete(Tab,{b,key}),
?line [] = ets:lookup(Tab,{b,key}),
?line [{{c,key},foo}] = ets:lookup(Tab,{c,key}),
?line true = ets:delete(Tab),
?line verify_etsmem(EtsMem).
delete_tab(doc) ->
["Check that ets:delete() works and releases the name of the deleted "
"table."];
delete_tab(suite) -> [];
delete_tab(Config) when is_list(Config) ->
repeat_for_opts(delete_tab_do,[write_concurrency,all_types]).
delete_tab_do(Opts) ->
Name = foo,
?line EtsMem = etsmem(),
?line Name = ets_new(Name, [named_table | Opts]),
?line true = ets:delete(foo),
%% The name should be available again.
?line Name = ets_new(Name, [named_table | Opts]),
?line true = ets:delete(Name),
?line verify_etsmem(EtsMem).
delete_large_tab(doc) ->
"Check that ets:delete/1 works and that other processes can run.";
delete_large_tab(Config) when is_list(Config) ->
?line Data = [{erlang:phash2(I, 16#ffffff),I} || I <- lists:seq(1, 200000)],
?line EtsMem = etsmem(),
repeat_for_opts(fun(Opts) -> delete_large_tab_do(Opts,Data) end),
?line verify_etsmem(EtsMem).
delete_large_tab_do(Opts,Data) ->
?line delete_large_tab_1(foo_hash, Opts, Data, false),
?line delete_large_tab_1(foo_tree, [ordered_set | Opts], Data, false),
?line delete_large_tab_1(foo_hash, Opts, Data, true).
delete_large_tab_1(Name, Flags, Data, Fix) ->
?line Tab = ets_new(Name, Flags),
?line ets:insert(Tab, Data),
case Fix of
false -> ok;
true ->
?line true = ets:safe_fixtable(Tab, true),
?line lists:foreach(fun({K,_}) -> ets:delete(Tab, K) end, Data)
end,
{priority, Prio} = process_info(self(), priority),
?line Deleter = self(),
?line [SchedTracer]
= start_loopers(1,
Prio,
fun (SC) ->
receive
{trace, Deleter, out, _} ->
undefined = ets:info(Tab),
SC+1;
{trace,
Deleter,
register,
delete_large_tab_done_marker}->
Deleter ! {schedule_count, SC},
exit(normal);
_ ->
SC
end
end,
0),
?line Loopers = start_loopers(erlang:system_info(schedulers),
Prio,
fun (_) -> erlang:yield() end,
ok),
?line erlang:yield(),
?line 1 = erlang:trace(self(),true,[running,procs,{tracer,SchedTracer}]),
?line true = ets:delete(Tab),
%% The register stuff is just a trace marker
?line true = register(delete_large_tab_done_marker, self()),
?line true = unregister(delete_large_tab_done_marker),
?line undefined = ets:info(Tab),
?line ok = stop_loopers(Loopers),
?line receive
{schedule_count, N} ->
?line io:format("~s: context switches: ~p", [Name,N]),
if
N >= 5 -> ?line ok;
true -> ?line ?t:fail()
end
end.
delete_large_named_table(doc) ->
"Delete a large name table and try to create a new table with the same name in another process.";
delete_large_named_table(Config) when is_list(Config) ->
?line Data = [{erlang:phash2(I, 16#ffffff),I} || I <- lists:seq(1, 500000)],
?line EtsMem = etsmem(),
repeat_for_opts(fun(Opts) -> delete_large_named_table_do(Opts,Data) end),
?line verify_etsmem(EtsMem),
ok.
delete_large_named_table_do(Opts,Data) ->
?line delete_large_named_table_1(foo_hash, [named_table | Opts], Data, false),
?line delete_large_named_table_1(foo_tree, [ordered_set,named_table | Opts], Data, false),
?line delete_large_named_table_1(foo_hash, [named_table | Opts], Data, true).
delete_large_named_table_1(Name, Flags, Data, Fix) ->
?line Tab = ets_new(Name, Flags),
?line ets:insert(Tab, Data),
case Fix of
false -> ok;
true ->
?line true = ets:safe_fixtable(Tab, true),
?line lists:foreach(fun({K,_}) -> ets:delete(Tab, K) end, Data)
end,
Parent = self(),
Pid = spawn_link(fun() ->
receive
{trace,Parent,call,_} ->
ets_new(Name, [named_table])
end
end),
?line erlang:trace(self(), true, [call,{tracer,Pid}]),
?line erlang:trace_pattern({ets,delete,1}, true, [global]),
?line erlang:yield(), true = ets:delete(Tab),
?line erlang:trace_pattern({ets,delete,1}, false, [global]),
ok.
evil_delete(doc) ->
"Delete a large table, and kill the process during the delete.";
evil_delete(Config) when is_list(Config) ->
?line Data = [{I,I*I} || I <- lists:seq(1, 100000)],
repeat_for_opts(fun(Opts) -> evil_delete_do(Opts,Data) end).
evil_delete_do(Opts,Data) ->
?line EtsMem = etsmem(),
?line evil_delete_owner(foo_hash, Opts, Data, false),
?line verify_etsmem(EtsMem),
?line evil_delete_owner(foo_hash, Opts, Data, true),
?line verify_etsmem(EtsMem),
?line evil_delete_owner(foo_tree, [ordered_set | Opts], Data, false),
?line verify_etsmem(EtsMem),
?line TabA = evil_delete_not_owner(foo_hash, Opts, Data, false),
?line verify_etsmem(EtsMem),
?line TabB = evil_delete_not_owner(foo_hash, Opts, Data, true),
?line verify_etsmem(EtsMem),
?line TabC = evil_delete_not_owner(foo_tree, [ordered_set | Opts], Data, false),
?line verify_etsmem(EtsMem),
?line lists:foreach(fun(T) -> undefined = ets:info(T) end,
[TabA,TabB,TabC]).
evil_delete_not_owner(Name, Flags, Data, Fix) ->
io:format("Not owner: ~p, fix = ~p", [Name,Fix]),
?line Tab = ets_new(Name, [public|Flags]),
?line ets:insert(Tab, Data),
case Fix of
false -> ok;
true ->
?line true = ets:safe_fixtable(Tab, true),
?line lists:foreach(fun({K,_}) -> ets:delete(Tab, K) end, Data)
end,
?line Pid = my_spawn(fun() ->
P = my_spawn_link(
fun() ->
receive kill -> ok end,
erlang:yield(),
exit(kill_linked_processes_now)
end),
erlang:yield(),
P ! kill,
true = ets:delete(Tab)
end),
?line Ref = erlang:monitor(process, Pid),
?line receive {'DOWN',Ref,_,_,_} -> ok end,
Tab.
evil_delete_owner(Name, Flags, Data, Fix) ->
?line Fun = fun() ->
?line Tab = ets_new(Name, [public|Flags]),
?line ets:insert(Tab, Data),
case Fix of
false -> ok;
true ->
?line true = ets:safe_fixtable(Tab, true),
?line lists:foreach(fun({K,_}) ->
ets:delete(Tab, K)
end, Data)
end,
erlang:yield(),
my_spawn_link(fun() ->
erlang:yield(),
exit(kill_linked_processes_now)
end),
true = ets:delete(Tab)
end,
?line Pid = my_spawn(Fun),
?line Ref = erlang:monitor(process, Pid),
?line receive {'DOWN',Ref,_,_,_} -> ok end.
exit_large_table_owner(doc) ->
[];
exit_large_table_owner(suite) ->
[];
exit_large_table_owner(Config) when is_list(Config) ->
%%?line Data = [{erlang:phash2(I, 16#ffffff),I} || I <- lists:seq(1, 500000)],
?line FEData = fun(Do) -> repeat_while(fun(500000) -> {false,ok};
(I) -> Do({erlang:phash2(I, 16#ffffff),I}),
{true, I+1}
end, 1)
end,
?line EtsMem = etsmem(),
repeat_for_opts({exit_large_table_owner_do,{FEData,Config}}),
?line verify_etsmem(EtsMem).
exit_large_table_owner_do(Opts,{FEData,Config}) ->
?line verify_rescheduling_exit(Config, FEData, [named_table | Opts], true, 1, 1),
?line verify_rescheduling_exit(Config, FEData, Opts, false, 1, 1).
exit_many_large_table_owner(doc) -> [];
exit_many_large_table_owner(suite) -> [];
exit_many_large_table_owner(Config) when is_list(Config) ->
%%?line Data = [{erlang:phash2(I, 16#ffffff),I} || I <- lists:seq(1, 500000)],
?line FEData = fun(Do) -> repeat_while(fun(500000) -> {false,ok};
(I) -> Do({erlang:phash2(I, 16#ffffff),I}),
{true, I+1}
end, 1)
end,
?line EtsMem = etsmem(),
repeat_for_opts(fun(Opts) -> exit_many_large_table_owner_do(Opts,FEData,Config) end),
?line verify_etsmem(EtsMem).
exit_many_large_table_owner_do(Opts,FEData,Config) ->
?line verify_rescheduling_exit(Config, FEData, Opts, true, 1, 4),
?line verify_rescheduling_exit(Config, FEData, [named_table | Opts], false, 1, 4).
exit_many_tables_owner(doc) -> [];
exit_many_tables_owner(suite) -> [];
exit_many_tables_owner(Config) when is_list(Config) ->
NoData = fun(_Do) -> ok end,
?line EtsMem = etsmem(),
?line verify_rescheduling_exit(Config, NoData, [named_table], false, 1000, 1),
?line verify_rescheduling_exit(Config, NoData, [named_table,{write_concurrency,true}], false, 1000, 1),
?line verify_etsmem(EtsMem).
exit_many_many_tables_owner(doc) -> [];
exit_many_many_tables_owner(suite) -> [];
exit_many_many_tables_owner(Config) when is_list(Config) ->
?line Data = [{erlang:phash2(I, 16#ffffff),I} || I <- lists:seq(1, 50)],
?line FEData = fun(Do) -> lists:foreach(Do, Data) end,
repeat_for_opts(fun(Opts) -> exit_many_many_tables_owner_do(Opts,FEData,Config) end).
exit_many_many_tables_owner_do(Opts,FEData,Config) ->
?line verify_rescheduling_exit(Config, FEData, [named_table | Opts], true, 200, 5),
?line verify_rescheduling_exit(Config, FEData, Opts, false, 200, 5),
?line wait_for_test_procs(),
?line EtsMem = etsmem(),
?line verify_rescheduling_exit(Config, FEData, Opts, true, 200, 5),
?line verify_rescheduling_exit(Config, FEData, [named_table | Opts], false, 200, 5),
?line verify_etsmem(EtsMem).
count_exit_sched(TP) ->
receive
{trace, TP, in_exiting, 0} ->
count_exit_sched_out(TP, 1);
{trace, TP, out_exiting, 0} ->
count_exit_sched_in(TP, 1);
{trace, TP, out_exited, 0} ->
0
end.
count_exit_sched_in(TP, N) ->
receive
{trace, TP, in_exiting, 0} ->
count_exit_sched_out(TP, N);
{trace, TP, _, _} = Msg ->
exit({unexpected_trace_msg, Msg})
end.
count_exit_sched_out(TP, N) ->
receive
{trace, TP, out_exiting, 0} ->
count_exit_sched_in(TP, N+1);
{trace, TP, out_exited, 0} ->
N;
{trace, TP, _, _} = Msg ->
exit({unexpected_trace_msg, Msg})
end.
vre_fix_tables(Tab) ->
Parent = self(),
Go = make_ref(),
my_spawn_link(fun () ->
true = ets:safe_fixtable(Tab, true),
Parent ! Go,
receive infinity -> ok end
end),
receive Go -> ok end,
ok.
verify_rescheduling_exit(Config, ForEachData, Flags, Fix, NOTabs, NOProcs) ->
?line NoFix = 5,
?line TestCase = atom_to_list(?config(test_case, Config)),
?line Parent = self(),
?line KillMe = make_ref(),
?line PFun =
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)),
Tab = ets_new(Name, Flags),
ForEachData(fun(Data) -> ets:insert(Tab, Data) end),
case Fix of
false -> ok;
true ->
lists:foreach(fun (_) ->
vre_fix_tables(Tab)
end,
lists:seq(1,NoFix)),
KeyPos = ets:info(Tab,keypos),
ForEachData(fun(Data) ->
ets:delete(Tab, element(KeyPos,Data))
end)
end
end,
NOTabs),
Parent ! {KillMe, self()},
receive after infinity -> ok end
end,
?line TPs = lists:map(fun (_) ->
?line TP = my_spawn_link(PFun),
?line 1 = erlang:trace(TP, true, [exiting]),
TP
end,
lists:seq(1, NOProcs)),
?line lists:foreach(fun (TP) ->
receive {KillMe, TP} -> ok end
end,
TPs),
?line LPs = start_loopers(erlang:system_info(schedulers),
normal,
fun (_) ->
erlang:yield()
end,
ok),
?line lists:foreach(fun (TP) ->
?line unlink(TP),
?line exit(TP, bang)
end,
TPs),
?line lists:foreach(fun (TP) ->
?line XScheds = count_exit_sched(TP),
?line ?t:format("~p XScheds=~p~n",
[TP, XScheds]),
?line true = XScheds >= 5
end,
TPs),
?line stop_loopers(LPs),
?line ok.
table_leak(doc) ->
"Make sure that slots for ets tables are cleared properly.";
table_leak(Config) when is_list(Config) ->
repeat_for_opts(fun(Opts) -> table_leak_1(Opts,20000) end).
table_leak_1(_,0) -> ok;
table_leak_1(Opts,N) ->
?line T = ets_new(fooflarf, Opts),
?line true = ets:delete(T),
table_leak_1(Opts,N-1).
baddelete(doc) ->
["Check proper return values for illegal delete operations."];
baddelete(suite) -> [];
baddelete(Config) when is_list(Config) ->
?line EtsMem = etsmem(),
?line {'EXIT',{badarg,_}} = (catch ets:delete(foo)),
?line Tab = ets_new(foo,[]),
?line true = ets:delete(Tab),
?line {'EXIT',{badarg,_}} = (catch ets:delete(Tab)),
?line verify_etsmem(EtsMem).
match_delete(doc) ->
["Check that match_delete works. Also tests tab2list function."];
match_delete(suite) -> [];
match_delete(Config) when is_list(Config) ->
?line EtsMem = etsmem(),
repeat_for_opts(match_delete_do,[write_concurrency,all_types]),
?line verify_etsmem(EtsMem).
match_delete_do(Opts) ->
?line EtsMem = etsmem(),
?line Tab = ets_new(kad,Opts),
?line fill_tab(Tab,foo),
?line ets:insert(Tab,{{c,key},bar}),
?line _ = ets:match_delete(Tab,{'_',foo}),
?line [{{c,key},bar}] = ets:tab2list(Tab),
?line _ = ets:match_delete(Tab,'_'),
?line [] = ets:tab2list(Tab),
?line true = ets:delete(Tab),
?line verify_etsmem(EtsMem).
match_delete3(doc) ->
["OTP-3005: check match_delete with constant argument."];
match_delete3(suite) -> [];
match_delete3(Config) when is_list(Config) ->
repeat_for_opts(match_delete3_do).
match_delete3_do(Opts) ->
?line EtsMem = etsmem(),
T = make_table(test,
[duplicate_bag | Opts],
[{aa,17},
{cA,1000},
{cA,17},
{cA,1000},
{aa,17}]),
%% 'aa' and 'cA' have the same hash value in the current
%% implementation. This causes the aa's to precede the cA's, to make
%% the test more interesting.
[{cA,1000},{cA,1000}] = ets:match_object(T, {'_', 1000}),
ets:match_delete(T, {cA,1000}),
[] = ets:match_object(T, {'_', 1000}),
ets:delete(T),
?line verify_etsmem(EtsMem).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
firstnext(doc) -> ["Tests ets:first/1 & ets:next/2."];
firstnext(suite) -> [];
firstnext(Config) when is_list(Config) ->
repeat_for_opts(firstnext_do).
firstnext_do(Opts) ->
?line EtsMem = etsmem(),
?line Tab = ets_new(foo,Opts),
?line [] = firstnext_collect(Tab,ets:first(Tab),[]),
?line fill_tab(Tab,foo),
?line Len = length(ets:tab2list(Tab)),
?line Len = length(firstnext_collect(Tab,ets:first(Tab),[])),
?line true = ets:delete(Tab),
?line verify_etsmem(EtsMem).
firstnext_collect(_Tab,'$end_of_table',List) ->
?line List;
firstnext_collect(Tab,Key,List) ->
?line firstnext_collect(Tab,ets:next(Tab,Key),[Key|List]).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
firstnext_concurrent(doc) -> "Tests ets:first/1 & ets:next/2.";
firstnext_concurrent(Config) when is_list(Config) ->
register(master, self()),
ets_init(?MODULE, 20),
[dynamic_go() || _ <- lists:seq(1, 2)],
receive
after 5000 -> ok
end.
ets_init(Tab, N) ->
ets_new(Tab, [named_table,public,ordered_set]),
cycle(Tab, lists:seq(1,N+1)).
cycle(_Tab, [H|T]) when H > length(T)-> ok;
cycle(Tab, L) ->
ets:insert(Tab,list_to_tuple(L)),
cycle(Tab, tl(L)++[hd(L)]).
dynamic_go() -> spawn_link(fun dynamic_init/0).
dynamic_init() -> [dyn_lookup(?MODULE) || _ <- lists:seq(1, 10)].
dyn_lookup(T) -> dyn_lookup(T, ets:first(T)).
dyn_lookup(_T, '$end_of_table') -> [];
dyn_lookup(T, K) ->
NextKey=ets:next(T,K),
case ets:next(T,K) of
NextKey ->
dyn_lookup(T, NextKey);
NK ->
io:fwrite("hmmm... ~p =/= ~p~n", [NextKey,NK]),
exit(failed)
end.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
slot(suite) -> [];
slot(Config) when is_list(Config) ->
repeat_for_opts(slot_do).
slot_do(Opts) ->
?line EtsMem = etsmem(),
?line Tab = ets_new(foo,Opts),
?line fill_tab(Tab,foo),
?line Elts = ets:info(Tab,size),
?line Elts = slot_loop(Tab,0,0),
?line true = ets:delete(Tab),
?line verify_etsmem(EtsMem).
slot_loop(Tab,SlotNo,EltsSoFar) ->
?line case ets:slot(Tab,SlotNo) of
'$end_of_table' ->
?line {'EXIT',{badarg,_}} =
(catch ets:slot(Tab,SlotNo+1)),
?line EltsSoFar;
Elts ->
?line slot_loop(Tab,SlotNo+1,EltsSoFar+length(Elts))
end.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
match1(suite) -> [];
match1(Config) when is_list(Config) ->
repeat_for_opts(match1_do).
match1_do(Opts) ->
?line EtsMem = etsmem(),
?line Tab = ets_new(foo,Opts),
?line fill_tab(Tab,foo),
?line [] = ets:match(Tab,{}),
?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(Tab,{{one,'_'},'$0'}) of
[[4],[5]] -> ok;
[[5],[4]] -> ok
end,
?line case ets:match(Tab,{{two,'$1'},'$0'}) of
[[4,4],[6,5]] -> ok;
[[6,5],[4,4]] -> ok
end,
?line case ets:match(Tab,{{two,'$9'},'$4'}) of
[[4,4],[6,5]] -> ok;
[[6,5],[4,4]] -> ok
end,
?line case ets:match(Tab,{{two,'$9'},'$22'}) of
[[4,4],[5,6]] -> ok;
[[5,6],[4,4]] -> ok
end,
?line [[4]] = ets:match(Tab,{{two,'$0'},'$0'}),
?line Len = length(ets:match(Tab,'$0')),
?line Len = length(ets:match(Tab,'_')),
?line if Len > 4 -> ok end,
?line true = ets:delete(Tab),
?line verify_etsmem(EtsMem).
match2(doc) -> ["Tests match with specified keypos bag table."];
match2(suite) -> [];
match2(Config) when is_list(Config) ->
repeat_for_opts(match2_do).
match2_do(Opts) ->
?line EtsMem = etsmem(),
?line Tab = make_table(foobar,
[bag, named_table, {keypos, 2} | Opts],
[{value1, key1},
{value2_1, key2},
{value2_2, key2},
{value3_1, key3},
{value3_2, key3},
{value2_1, key2_wannabe}]),
?line case length(ets:match(Tab, '$1')) of
6 -> ok;
_ -> ?t:fail("Length of matched list is wrong.")
end,
?line [[value3_1],[value3_2]] = ets:match(Tab, {'$1', key3}),
?line [[key1]] = ets:match(Tab, {value1, '$1'}),
?line [[key2_wannabe],[key2]] = ets:match(Tab, {value2_1, '$2'}),
?line [] = ets:match(Tab,{'$1',nosuchkey}),
?line [] = ets:match(Tab,{'$1',kgY2}), % same hash as key2
?line [] = ets:match(Tab,{nosuchvalue,'$1'}),
?line true = ets:delete(Tab),
?line verify_etsmem(EtsMem).
match_object(doc) -> ["Some ets:match_object test."];
match_object(suite) -> [];
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
[{{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
[{{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
[{{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
[{{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 '$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).
match_object2(suite) -> [];
match_object2(doc) -> ["Tests that db_match_object does not generate "
"a `badarg' when resuming a search with no "
"previous matches."];
match_object2(Config) when is_list(Config) ->
repeat_for_opts(match_object2_do).
match_object2_do(Opts) ->
?line EtsMem = etsmem(),
?line Tab = ets_new(foo, [bag, {keypos, 2} | Opts]),
?line fill_tab2(Tab, 0, 13005), % match_db_object does 1000
% elements per pass, might
% change in the future.
?line case catch ets:match_object(Tab, {hej, '$1'}) of
{'EXIT', _} ->
ets:delete(Tab),
?t:fail("match_object EXIT:ed");
[] ->
io:format("Nothing matched.");
List ->
io:format("Matched:~p~n",[List])
end,
ets:delete(Tab),
?line verify_etsmem(EtsMem).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
tab2list(doc) -> ["Tests tab2list (OTP-3319)"];
tab2list(suite) -> [];
tab2list(Config) when is_list(Config) ->
?line EtsMem = etsmem(),
?line Tab = make_table(foo,
[ordered_set],
[{a,b}, {c,b}, {b,b}, {a,c}]),
?line [{a,c},{b,b},{c,b}] = ets:tab2list(Tab),
?line true = ets:delete(Tab),
?line verify_etsmem(EtsMem).
misc1(doc) -> ["Simple general small test. ",
"If this fails, ets is in really bad shape."];
misc1(suite) -> [];
misc1(Config) when is_list(Config) ->
repeat_for_opts(misc1_do).
misc1_do(Opts) ->
?line EtsMem = etsmem(),
?line Tab = ets_new(foo,Opts),
?line true = lists:member(Tab,ets:all()),
?line ets:delete(Tab),
?line false = lists:member(Tab,ets:all()),
?line case catch ets:delete(Tab) of
{'EXIT',_Reason} ->
?line verify_etsmem(EtsMem);
true ->
?t:fail("Delete of nonexisting table returned `true'.")
end,
ok.
safe_fixtable(doc) -> ["Check the safe_fixtable function."];
safe_fixtable(suite) -> [];
safe_fixtable(Config) when is_list(Config) ->
repeat_for_opts(safe_fixtable_do).
safe_fixtable_do(Opts) ->
?line EtsMem = etsmem(),
?line Tab = ets_new(foo, Opts),
?line fill_tab(Tab, foobar),
?line true = ets:safe_fixtable(Tab, true),
?line receive after 1 -> ok end,
?line true = ets:safe_fixtable(Tab, false),
?line false = ets:info(Tab,safe_fixed),
?line true = ets:safe_fixtable(Tab, true),
Self = self(),
?line {{_,_,_},[{Self,1}]} = ets:info(Tab,safe_fixed),
%% Test that an unjustified 'unfix' is a no-op.
{Pid,MRef} = spawn_monitor(fun() -> true = ets:safe_fixtable(Tab,false) end),
{'DOWN', MRef, process, Pid, normal} = receive M -> M end,
?line true = ets:info(Tab,fixed),
?line {{_,_,_},[{Self,1}]} = ets:info(Tab,safe_fixed),
%% badarg's
?line {'EXIT', {badarg, _}} = (catch ets:safe_fixtable(Tab, foobar)),
?line true = ets:info(Tab,fixed),
?line true = ets:safe_fixtable(Tab, false),
?line false = ets:info(Tab,fixed),
?line {'EXIT', {badarg, _}} = (catch ets:safe_fixtable(Tab, foobar)),
?line false = ets:info(Tab,fixed),
?line ets:delete(Tab),
?line case catch ets:safe_fixtable(Tab, true) of
{'EXIT', _Reason} ->
?line verify_etsmem(EtsMem);
_ ->
?t:fail("Fixtable on nonexisting table returned `true'")
end,
ok.
info(doc) -> ["Tests ets:info result for required tuples."];
info(suite) -> [];
info(Config) when is_list(Config) ->
repeat_for_opts(info_do).
info_do(Opts) ->
?line EtsMem = etsmem(),
?line MeMyselfI=self(),
?line ThisNode=node(),
?line Tab = ets_new(foobar, [{keypos, 2} | Opts]),
%% Note: ets:info/1 used to return a tuple, but from R11B onwards it
%% returns a list.
?line Res = ets:info(Tab),
?line {value, {memory, _Mem}} = lists:keysearch(memory, 1, Res),
?line {value, {owner, MeMyselfI}} = lists:keysearch(owner, 1, Res),
?line {value, {name, foobar}} = lists:keysearch(name, 1, Res),
?line {value, {size, 0}} = lists:keysearch(size, 1, Res),
?line {value, {node, ThisNode}} = lists:keysearch(node, 1, Res),
?line {value, {named_table, false}} = lists:keysearch(named_table, 1, Res),
?line {value, {type, set}} = lists:keysearch(type, 1, Res),
?line {value, {keypos, 2}} = lists:keysearch(keypos, 1, Res),
?line {value, {protection, protected}} =
lists:keysearch(protection, 1, Res),
?line true = ets:delete(Tab),
?line undefined = ets:info(non_existing_table_xxyy),
?line undefined = ets:info(non_existing_table_xxyy,type),
?line undefined = ets:info(non_existing_table_xxyy,node),
?line undefined = ets:info(non_existing_table_xxyy,named_table),
?line undefined = ets:info(non_existing_table_xxyy,safe_fixed),
?line verify_etsmem(EtsMem).
dups(doc) -> ["Test various duplicate_bags stuff"];
dups(suite) -> [];
dups(Config) when is_list(Config) ->
repeat_for_opts(dups_do).
dups_do(Opts) ->
?line EtsMem = etsmem(),
?line T = make_table(funky,
[duplicate_bag | Opts],
[{1, 2}, {1, 2}]),
?line 2 = length(ets:tab2list(T)),
?line ets:delete(T, 1),
?line [] = ets:lookup(T, 1),
?line ets:insert(T, {1, 2, 2}),
?line ets:insert(T, {1, 2, 4}),
?line ets:insert(T, {1, 2, 2}),
?line ets:insert(T, {1, 2, 2}),
?line ets:insert(T, {1, 2, 4}),
?line 5 = length(ets:tab2list(T)),
?line 5 = length(ets:match(T, {'$1', 2, '$2'})),
?line 3 = length(ets:match(T, {'_', '$1', '$1'})),
?line ets:match_delete(T, {'_', '$1', '$1'}),
?line 0 = length(ets:match(T, {'_', '$1', '$1'})),
?line ets:delete(T),
?line verify_etsmem(EtsMem).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
tab2file(doc) -> ["Check the ets:tab2file function on an empty "
"ets table."];
tab2file(suite) -> [];
tab2file(Config) when is_list(Config) ->
%% 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),
%
?line EtsMem = etsmem(),
?line {ok, Tab2} = ets:file2tab(FName),
?line private = ets:info(Tab2, protection),
?line true = ets:info(Tab2, named_table),
?line 2 = ets:info(Tab2, keypos),
?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."];
tab2file2(suite) -> [];
tab2file2(Config) when is_list(Config) ->
repeat_for_opts({tab2file2_do,Config}, [[set,bag],compressed]).
tab2file2_do(Opts, Config) ->
?line EtsMem = etsmem(),
?line Tab = ets_new(ets_SUITE_foo_tab, [named_table, private,
{keypos, 2} | Opts]),
?line FName = filename:join([?config(priv_dir, Config),"tab2file2_case"]),
?line ok = fill_tab2(Tab, 0, 10000), % Fill up the table (grucho mucho!)
?line Len = length(ets:tab2list(Tab)),
?line Mem = ets:info(Tab, memory),
?line Type = ets:info(Tab, type),
%%io:format("org tab: ~p\n",[ets:info(Tab)]),
?line ok = ets:tab2file(Tab, FName),
?line true = ets:delete(Tab),
?line EtsMem4 = etsmem(),
?line {ok, Tab2} = ets:file2tab(FName),
%%io:format("loaded tab: ~p\n",[ets:info(Tab2)]),
?line private = ets:info(Tab2, protection),
?line true = ets:info(Tab2, named_table),
?line 2 = ets:info(Tab2, keypos),
?line Type = ets:info(Tab2, type),
?line Len = length(ets:tab2list(Tab2)),
?line Mem = ets:info(Tab2, memory),
?line true = ets:delete(Tab2),
io:format("Between = ~p\n", [EtsMem4]),
?line verify_etsmem(EtsMem).
-define(test_list, [8,5,4,1,58,125,255, 250, 245, 240, 235,
230, Num rem 255, 255, 125, 130, 135, 140, 145,
150, 134, 12, 54, Val rem 255, 12, 3, 6, 9, 126]).
-define(big_test_list, [Num rem 256|lists:seq(1, 66)]).
-define(test_integer, 2846287468+Num).
-define(test_float, 187263.18236-Val).
-define(test_atom, some_crazy_atom).
-define(test_tuple, {just, 'Some', 'Tuple', 1, [list, item], Val+Num}).
%% Insert different datatypes into a ets table.
fill_tab2(_Tab, _Val, 0) ->
ok;
fill_tab2(Tab, Val, Num) ->
?line Item =
case Num rem 10 of
0 -> "String";
1 -> ?line ?test_atom;
2 -> ?line ?test_tuple;
3 -> ?line ?test_integer;
4 -> ?line ?test_float;
5 -> ?line list_to_binary(?test_list); %Heap binary
6 -> ?line list_to_binary(?big_test_list); %Refc binary
7 -> ?line make_sub_binary(?test_list, Num); %Sub binary
8 -> ?line ?test_list;
9 -> ?line fun(X) -> {Tab,Val,X*Num} end
end,
?line true=ets:insert(Tab, {Item, Val}),
?line fill_tab2(Tab, Val+1, Num-1),
ok.
tabfile_ext1(suite) ->
[];
tabfile_ext1(doc) ->
["Tests verification of tables with object count extended_info"];
tabfile_ext1(Config) when is_list(Config) ->
repeat_for_opts(fun(Opts) -> tabfile_ext1_do(Opts, Config) end).
tabfile_ext1_do(Opts,Config) ->
?line FName = filename:join([?config(priv_dir, Config),"nisse.dat"]),
?line FName2 = filename:join([?config(priv_dir, Config),"countflip.dat"]),
L = lists:seq(1,10),
T = ets_new(x,Opts),
Name = make_ref(),
[ets:insert(T,{X,integer_to_list(X)}) || X <- L],
ok = ets:tab2file(T,FName,[{extended_info,[object_count]}]),
true = lists:sort(ets:tab2list(T)) =:=
lists:sort(ets:tab2list(element(2,ets:file2tab(FName)))),
true = lists:sort(ets:tab2list(T)) =:=
lists:sort(ets:tab2list(
element(2,ets:file2tab(FName,[{verify,true}])))),
{ok,Name} = disk_log:open([{name,Name},{file,FName}]),
{_,[H0|T0]} = disk_log:chunk(Name,start),
disk_log:close(Name),
LH0=tuple_to_list(H0),
{value,{size,N}}=lists:keysearch(size,1,LH0),
NewLH0 = lists:keyreplace(size,1,LH0,{size,N-1}),
NewH0 = list_to_tuple(NewLH0),
NewT0=lists:keydelete(8,1,T0),
file:delete(FName2),
disk_log:open([{name,Name},{file,FName2},{mode,read_write}]),
disk_log:log_terms(Name,[NewH0|NewT0]),
disk_log:close(Name),
9 = length(ets:tab2list(element(2,ets:file2tab(FName2)))),
{error,invalid_object_count} = ets:file2tab(FName2,[{verify,true}]),
{ok, _} = ets:tabfile_info(FName2),
{ok, _} = ets:tabfile_info(FName),
file:delete(FName),
file:delete(FName2),
ok.
tabfile_ext2(suite) ->
[];
tabfile_ext2(doc) ->
["Tests verification of tables with md5sum extended_info"];
tabfile_ext2(Config) when is_list(Config) ->
repeat_for_opts(fun(Opts) -> tabfile_ext2_do(Opts,Config) end).
tabfile_ext2_do(Opts,Config) ->
?line FName = filename:join([?config(priv_dir, Config),"olle.dat"]),
?line FName2 = filename:join([?config(priv_dir, Config),"bitflip.dat"]),
L = lists:seq(1,10),
T = ets_new(x,Opts),
Name = make_ref(),
[ets:insert(T,{X,integer_to_list(X)}) || X <- L],
ok = ets:tab2file(T,FName,[{extended_info,[md5sum]}]),
true = lists:sort(ets:tab2list(T)) =:=
lists:sort(ets:tab2list(element(2,ets:file2tab(FName)))),
true = lists:sort(ets:tab2list(T)) =:=
lists:sort(ets:tab2list(
element(2,ets:file2tab(FName,[{verify,true}])))),
{ok, Name} = disk_log:open([{name,Name},{file,FName}]),
{_,[H1|T1]} = disk_log:chunk(Name,start),
disk_log:close(Name),
NewT1=lists:keyreplace(8,1,T1,{8,"9"}),
file:delete(FName2),
disk_log:open([{name,Name},{file,FName2},{mode,read_write}]),
disk_log:log_terms(Name,[H1|NewT1]),
disk_log:close(Name),
{value,{8,"9"}} = lists:keysearch(8,1,
ets:tab2list(
element(2,ets:file2tab(FName2)))),
{error,checksum_error} = ets:file2tab(FName2,[{verify,true}]),
{value,{extended_info,[md5sum]}} =
lists:keysearch(extended_info,1,element(2,ets:tabfile_info(FName2))),
{value,{extended_info,[md5sum]}} =
lists:keysearch(extended_info,1,element(2,ets:tabfile_info(FName))),
file:delete(FName),
file:delete(FName2),
ok.
tabfile_ext3(suite) ->
[];
tabfile_ext3(doc) ->
["Tests verification of (named) tables without extended info"];
tabfile_ext3(Config) when is_list(Config) ->
?line FName = filename:join([?config(priv_dir, Config),"namn.dat"]),
?line FName2 = filename:join([?config(priv_dir, Config),"ncountflip.dat"]),
L = lists:seq(1,10),
Name = make_ref(),
?MODULE = ets_new(?MODULE,[named_table]),
[ets:insert(?MODULE,{X,integer_to_list(X)}) || X <- L],
ets:tab2file(?MODULE,FName),
{error,cannot_create_table} = ets:file2tab(FName),
true = ets:delete(?MODULE),
{ok,?MODULE} = ets:file2tab(FName),
true = ets:delete(?MODULE),
disk_log:open([{name,Name},{file,FName}]),
{_,[H2|T2]} = disk_log:chunk(Name,start),
disk_log:close(Name),
NewT2=lists:keydelete(8,1,T2),
file:delete(FName2),
disk_log:open([{name,Name},{file,FName2},{mode,read_write}]),
disk_log:log_terms(Name,[H2|NewT2]),
disk_log:close(Name),
9 = length(ets:tab2list(element(2,ets:file2tab(FName2)))),
true = ets:delete(?MODULE),
{error,invalid_object_count} = ets:file2tab(FName2,[{verify,true}]),
{'EXIT',_} = (catch ets:delete(?MODULE)),
{ok,_} = ets:tabfile_info(FName2),
{ok,_} = ets:tabfile_info(FName),
file:delete(FName),
file:delete(FName2),
ok.
tabfile_ext4(suite) ->
[];
tabfile_ext4(doc) ->
["Tests verification of large table with md5 sum"];
tabfile_ext4(Config) when is_list(Config) ->
?line FName = filename:join([?config(priv_dir, Config),"bauta.dat"]),
LL = lists:seq(1,10000),
TL = ets_new(x,[]),
Name2 = make_ref(),
[ets:insert(TL,{X,integer_to_list(X)}) || X <- LL],
ok = ets:tab2file(TL,FName,[{extended_info,[md5sum]}]),
{ok, Name2} = disk_log:open([{name, Name2}, {file, FName},
{mode, read_only}]),
{C,[_|_]} = disk_log:chunk(Name2,start),
{_,[_|_]} = disk_log:chunk(Name2,C),
disk_log:close(Name2),
true = lists:sort(ets:tab2list(TL)) =:=
lists:sort(ets:tab2list(element(2,ets:file2tab(FName)))),
Res = [
begin
{ok,FD} = file:open(FName,[binary,read,write]),
{ok, Bin} = file:pread(FD,0,1000),
<<B1:N/binary,Ch:8,B2/binary>> = Bin,
Ch2 = (Ch + 1) rem 255,
Bin2 = <<B1/binary,Ch2:8,B2/binary>>,
ok = file:pwrite(FD,0,Bin2),
ok = file:close(FD),
X = case ets:file2tab(FName) of
{ok,TL2} ->
true = lists:sort(ets:tab2list(TL)) =/=
lists:sort(ets:tab2list(TL2));
_ ->
totally_broken
end,
{error,Y} = ets:file2tab(FName,[{verify,true}]),
ets:tab2file(TL,FName,[{extended_info,[md5sum]}]),
{X,Y}
end || N <- lists:seq(400,500) ],
io:format("~p~n",[Res]),
file:delete(FName),
ok.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
make_sub_binary(List, Num) when is_list(List) ->
N = Num rem 23,
Bin = list_to_binary([lists:seq(0, N)|List]),
{_,B} = split_binary(Bin, N+1),
B.
%% Lookup stuff like crazy...
heavy_lookup(doc) -> ["Performs multiple lookups for every key ",
"in a large table."];
heavy_lookup(suite) -> [];
heavy_lookup(Config) when is_list(Config) ->
repeat_for_opts(heavy_lookup_do).
heavy_lookup_do(Opts) ->
?line EtsMem = etsmem(),
?line Tab = ets_new(foobar_table, [set, protected, {keypos, 2} | Opts]),
?line ok = fill_tab2(Tab, 0, 7000),
?line ?t:do_times(50, ?MODULE, do_lookup, [Tab, 6999]),
?line true = ets:delete(Tab),
?line verify_etsmem(EtsMem).
do_lookup(_Tab, 0) -> ok;
do_lookup(Tab, N) ->
case ets:lookup(Tab, N) of
[] -> ?t:format("Set #~p was reported as empty. Not valid.",
[N]),
exit('Invalid lookup');
_ -> do_lookup(Tab, N-1)
end.
heavy_lookup_element(doc) -> ["Performs multiple lookups for ",
"every element in a large table."];
heavy_lookup_element(suite) -> [];
heavy_lookup_element(Config) when is_list(Config) ->
repeat_for_opts(heavy_lookup_element_do).
heavy_lookup_element_do(Opts) ->
?line EtsMem = etsmem(),
?line Tab = ets_new(foobar_table, [set, protected, {keypos, 2} | Opts]),
?line ok = fill_tab2(Tab, 0, 7000),
case os:type() of
vxworks ->
?line ?t:do_times(5, ?MODULE, do_lookup_element,
[Tab, 6999, 1]);
% lookup ALL elements 5 times.
_ ->
?line ?t:do_times(50, ?MODULE, do_lookup_element,
[Tab, 6999, 1])
% lookup ALL elements 50 times.
end,
?line true = ets:delete(Tab),
?line verify_etsmem(EtsMem).
do_lookup_element(_Tab, 0, _) -> ok;
do_lookup_element(Tab, N, M) ->
?line case catch ets:lookup_element(Tab, N, M) of
{'EXIT', {badarg, _}} ->
case M of
1 -> ?t:fail("Set #~p reported as empty. Not valid.",
[N]),
exit('Invalid lookup_element');
_ -> ?line do_lookup_element(Tab, N-1, 1)
end;
_ -> ?line do_lookup_element(Tab, N, M+1)
end.
heavy_concurrent(_Config) ->
repeat_for_opts(do_heavy_concurrent).
do_heavy_concurrent(Opts) ->
?line Size = 10000,
?line EtsMem = etsmem(),
?line Tab = ets_new(blupp, [set, public, {keypos, 2} | Opts]),
?line ok = fill_tab2(Tab, 0, Size),
?line Procs = lists:map(
fun (N) ->
spawn_link(
fun () ->
do_heavy_concurrent_proc(Tab, Size, N)
end)
end,
lists:seq(1, 500)),
?line lists:foreach(fun (P) ->
M = erlang:monitor(process, P),
receive
{'DOWN', M, process, P, _} ->
ok
end
end,
Procs),
?line true = ets:delete(Tab),
?line verify_etsmem(EtsMem).
do_heavy_concurrent_proc(_Tab, 0, _Offs) ->
done;
do_heavy_concurrent_proc(Tab, N, Offs) when (N+Offs) rem 100 == 0 ->
Data = {"here", are, "S O M E ", data, "toooooooooooooooooo", insert,
make_ref(), make_ref(), make_ref()},
true=ets:insert(Tab, {{self(),Data}, N}),
do_heavy_concurrent_proc(Tab, N-1, Offs);
do_heavy_concurrent_proc(Tab, N, Offs) ->
_ = ets:lookup(Tab, N),
do_heavy_concurrent_proc(Tab, N-1, Offs).
fold_empty(doc) ->
[];
fold_empty(suite) -> [];
fold_empty(Config) when is_list(Config) ->
?line EtsMem = etsmem(),
?line Tab = make_table(a, [], []),
?line [] = ets:foldl(fun(_X) -> exit(hej) end, [], Tab),
?line [] = ets:foldr(fun(_X) -> exit(hej) end, [], Tab),
?line true = ets:delete(Tab),
?line verify_etsmem(EtsMem).
foldl(doc) ->
[];
foldl(suite) -> [];
foldl(Config) when is_list(Config) ->
?line EtsMem = etsmem(),
?line L = [{a,1}, {c,3}, {b,2}],
?line LS = lists:sort(L),
?line Tab = make_table(a, [bag], L),
?line LS = lists:sort(ets:foldl(fun(E,A) -> [E|A] end, [], Tab)),
?line true = ets:delete(Tab),
?line verify_etsmem(EtsMem).
foldr(doc) ->
[];
foldr(suite) -> [];
foldr(Config) when is_list(Config) ->
?line EtsMem = etsmem(),
?line L = [{a,1}, {c,3}, {b,2}],
?line LS = lists:sort(L),
?line Tab = make_table(a, [bag], L),
?line LS = lists:sort(ets:foldr(fun(E,A) -> [E|A] end, [], Tab)),
?line true = ets:delete(Tab),
?line verify_etsmem(EtsMem).
foldl_ordered(doc) ->
[];
foldl_ordered(suite) -> [];
foldl_ordered(Config) when is_list(Config) ->
?line EtsMem = etsmem(),
?line L = [{a,1}, {c,3}, {b,2}],
?line LS = lists:sort(L),
?line Tab = make_table(a, [ordered_set], L),
?line LS = lists:reverse(ets:foldl(fun(E,A) -> [E|A] end, [], Tab)),
?line true = ets:delete(Tab),
?line verify_etsmem(EtsMem).
foldr_ordered(doc) ->
[];
foldr_ordered(suite) -> [];
foldr_ordered(Config) when is_list(Config) ->
?line EtsMem = etsmem(),
?line L = [{a,1}, {c,3}, {b,2}],
?line LS = lists:sort(L),
?line Tab = make_table(a, [ordered_set], L),
?line LS = ets:foldr(fun(E,A) -> [E|A] end, [], Tab),
?line true = ets:delete(Tab),
?line verify_etsmem(EtsMem).
member(suite) ->
[];
member(doc) ->
["Tests ets:member BIF"];
member(Config) when is_list(Config) ->
repeat_for_opts(member_do, [write_concurrency, all_types]).
member_do(Opts) ->
?line EtsMem = etsmem(),
?line T = ets_new(xxx, Opts),
?line false = ets:member(T,hej),
?line E = fun(0,_F)->ok;
(N,F) ->
?line ets:insert(T,{N,N rem 10}),
F(N-1,F)
end,
?line E(10000,E),
?line false = ets:member(T,hej),
?line true = ets:member(T,1),
?line false = ets:member(T,20000),
?line ets:delete(T,5),
?line false = ets:member(T,5),
?line ets:safe_fixtable(T,true),
?line ets:delete(T,6),
?line false = ets:member(T,6),
?line ets:safe_fixtable(T,false),
?line false = ets:member(T,6),
?line ets:delete(T),
?line {'EXIT',{badarg,_}} = (catch ets:member(finnsinte, 23)),
?line {'EXIT',{badarg,_}} = (catch ets:member(T, 23)),
?line verify_etsmem(EtsMem).
build_table(L1,L2,Num) ->
T = ets_new(xxx, [ordered_set]
),
lists:foreach(
fun(X1) ->
lists:foreach(
fun(X2) ->
F = fun(FF,N) ->
ets:insert(T,{{X1,X2,N},
X1, X2, N}),
case N of
0 ->
ok;
_ ->
FF(FF,N-1)
end
end,
F(F,Num)
end, L2)
end, L1),
T.
build_table2(L1,L2,Num) ->
T = ets_new(xxx, [ordered_set]
),
lists:foreach(
fun(X1) ->
lists:foreach(
fun(X2) ->
F = fun(FF,N) ->
ets:insert(T,{{N,X1,X2},
N, X1, X2}),
case N of
0 ->
ok;
_ ->
FF(FF,N-1)
end
end,
F(F,Num)
end, L2)
end, L1),
T.
time_match_object(Tab,Match, Res) ->
T1 = erlang:now(),
Res = ets:match_object(Tab,Match),
T2 = erlang:now(),
nowdiff(T1,T2).
time_match(Tab,Match) ->
T1 = erlang:now(),
ets:match(Tab,Match),
T2 = erlang:now(),
nowdiff(T1,T2).
seventyfive_percent_success(_,S,Fa,0) ->
true = (S > ((S + Fa) * 0.75));
seventyfive_percent_success({M,F,A},S,Fa,N) ->
case (catch apply(M,F,A)) of
{'EXIT', _} ->
seventyfive_percent_success({M,F,A},S,Fa+1,N-1);
_ ->
seventyfive_percent_success({M,F,A},S+1,Fa,N-1)
end.
fifty_percent_success(_,S,Fa,0) ->
true = (S > ((S + Fa) * 0.5));
fifty_percent_success({M,F,A},S,Fa,N) ->
case (catch apply(M,F,A)) of
{'EXIT', _} ->
fifty_percent_success({M,F,A},S,Fa+1,N-1);
_ ->
fifty_percent_success({M,F,A},S+1,Fa,N-1)
end.
nowtonumber({Mega, Secs, Milli}) ->
Milli + Secs * 1000000 + Mega * 1000000000000.
nowdiff(T1,T2) ->
nowtonumber(T2) - nowtonumber(T1).
create_random_string(0) ->
[];
create_random_string(OfLength) ->
C = case random:uniform(2) of
1 ->
(random:uniform($Z - $A + 1) - 1) + $A;
_ ->
(random:uniform($z - $a + 1) - 1) + $a
end,
[C | create_random_string(OfLength - 1)].
create_random_tuple(OfLength) ->
list_to_tuple(lists:map(fun(X) ->
list_to_atom([X])
end,create_random_string(OfLength))).
create_partly_bound_tuple(OfLength) ->
case random:uniform(2) of
1 ->
create_partly_bound_tuple1(OfLength);
_ ->
create_partly_bound_tuple3(OfLength)
end.
create_partly_bound_tuple1(OfLength) ->
T0 = create_random_tuple(OfLength),
I = random:uniform(OfLength),
setelement(I,T0,'$1').
set_n_random_elements(T0,0,_,_) ->
T0;
set_n_random_elements(T0,N,OfLength,GenFun) ->
I = random:uniform(OfLength),
What = GenFun(I),
case element(I,T0) of
What ->
set_n_random_elements(T0,N,OfLength,GenFun);
_Else ->
set_n_random_elements(setelement(I,T0,What),
N-1,OfLength,GenFun)
end.
make_dollar_atom(I) ->
list_to_atom([$$] ++ integer_to_list(I)).
create_partly_bound_tuple2(OfLength) ->
T0 = create_random_tuple(OfLength),
I = random:uniform(OfLength - 1),
set_n_random_elements(T0,I,OfLength,fun make_dollar_atom/1).
create_partly_bound_tuple3(OfLength) ->
T0 = create_random_tuple(OfLength),
I = random:uniform(OfLength - 1),
set_n_random_elements(T0,I,OfLength,fun(_) -> '_' end).
do_n_times(_,0) ->
ok;
do_n_times(Fun,N) ->
Fun(),
case N rem 1000 of
0 ->
io:format(".");
_ ->
ok
end,
do_n_times(Fun,N-1).
make_table(Name, Options, Elements) ->
T = ets_new(Name, Options),
lists:foreach(fun(E) -> ets:insert(T, E) end, Elements),
T.
filltabint(Tab,0) ->
Tab;
filltabint(Tab,N) ->
ets:insert(Tab,{N,integer_to_list(N)}),
filltabint(Tab,N-1).
filltabint2(Tab,0) ->
Tab;
filltabint2(Tab,N) ->
ets:insert(Tab,{N + N rem 2,integer_to_list(N)}),
filltabint2(Tab,N-1).
filltabint3(Tab,0) ->
Tab;
filltabint3(Tab,N) ->
ets:insert(Tab,{N + N rem 2,integer_to_list(N + N rem 2)}),
filltabint3(Tab,N-1).
xfilltabint(Tab,N) ->
case ets:info(Tab,type) of
bag ->
filltabint2(Tab,N);
duplicate_bag ->
ets:select_delete(Tab,[{'_',[],[true]}]),
filltabint3(Tab,N);
_ ->
filltabint(Tab,N)
end.
filltabstr(Tab,N) ->
filltabstr(Tab,0,N).
filltabstr(Tab,N,N) ->
Tab;
filltabstr(Tab,Floor,N) when N > Floor ->
ets:insert(Tab,{integer_to_list(N),N}),
filltabstr(Tab,Floor,N-1).
filltabstr2(Tab,0) ->
Tab;
filltabstr2(Tab,N) ->
ets:insert(Tab,{integer_to_list(N),N}),
ets:insert(Tab,{integer_to_list(N),N+1}),
filltabstr2(Tab,N-1).
filltabstr3(Tab,0) ->
Tab;
filltabstr3(Tab,N) ->
ets:insert(Tab,{integer_to_list(N),N}),
ets:insert(Tab,{integer_to_list(N),N}),
filltabstr3(Tab,N-1).
xfilltabstr(Tab,N) ->
case ets:info(Tab,type) of
bag ->
filltabstr2(Tab,N);
duplicate_bag ->
ets:select_delete(Tab,[{'_',[],[true]}]),
filltabstr3(Tab,N);
_ ->
filltabstr(Tab,N)
end.
fill_sets_int(N) ->
fill_sets_int(N,[]).
fill_sets_int(N,Opts) ->
Tab1 = ets_new(xxx, [ordered_set|Opts]),
filltabint(Tab1,N),
Tab2 = ets_new(xxx, [set|Opts]),
filltabint(Tab2,N),
Tab3 = ets_new(xxx, [bag|Opts]),
filltabint2(Tab3,N),
Tab4 = ets_new(xxx, [duplicate_bag|Opts]),
filltabint3(Tab4,N),
[Tab1,Tab2,Tab3,Tab4].
check_fun(_Tab,_Fun,'$end_of_table') ->
ok;
check_fun(Tab,Fun,Item) ->
lists:foreach(fun(Obj) ->
true = Fun(Obj)
end,
ets:lookup(Tab,Item)),
check_fun(Tab,Fun,ets:next(Tab,Item)).
check(Tab,Fun,N) ->
N = ets:info(Tab, size),
check_fun(Tab,Fun,ets:first(Tab)).
del_one_by_one_set(T,N,N) ->
0 = ets:info(T,size),
ok;
del_one_by_one_set(T,From,To) ->
N = ets:info(T,size),
ets:delete_object(T,{From, integer_to_list(From)}),
N = (ets:info(T,size) + 1),
Next = if
From < To ->
From + 1;
true ->
From - 1
end,
del_one_by_one_set(T,Next,To).
del_one_by_one_bag(T,N,N) ->
0 = ets:info(T,size),
ok;
del_one_by_one_bag(T,From,To) ->
N = ets:info(T,size),
ets:delete_object(T,{From + From rem 2, integer_to_list(From)}),
N = (ets:info(T,size) + 1),
Next = if
From < To ->
From + 1;
true ->
From - 1
end,
del_one_by_one_bag(T,Next,To).
del_one_by_one_dbag_1(T,N,N) ->
0 = ets:info(T,size),
ok;
del_one_by_one_dbag_1(T,From,To) ->
N = ets:info(T,size),
ets:delete_object(T,{From, integer_to_list(From)}),
case From rem 2 of
0 ->
N = (ets:info(T,size) + 2);
1 ->
N = ets:info(T,size)
end,
Next = if
From < To ->
From + 1;
true ->
From - 1
end,
del_one_by_one_dbag_1(T,Next,To).
del_one_by_one_dbag_2(T,N,N) ->
0 = ets:info(T,size),
ok;
del_one_by_one_dbag_2(T,From,To) ->
N = ets:info(T,size),
ets:delete_object(T,{From, integer_to_list(From)}),
case From rem 2 of
0 ->
N = (ets:info(T,size) + 3);
1 ->
N = (ets:info(T,size) + 1)
end,
Next = if
From < To ->
From + 1;
true ->
From - 1
end,
del_one_by_one_dbag_2(T,Next,To).
del_one_by_one_dbag_3(T,N,N) ->
0 = ets:info(T,size),
ok;
del_one_by_one_dbag_3(T,From,To) ->
N = ets:info(T,size),
Obj = {From + From rem 2, integer_to_list(From)},
ets:delete_object(T,Obj),
case From rem 2 of
0 ->
N = (ets:info(T,size) + 2);
1 ->
N = (ets:info(T,size) + 1),
Obj2 = {From, integer_to_list(From)},
ets:delete_object(T,Obj2),
N = (ets:info(T,size) + 2)
end,
Next = if
From < To ->
From + 1;
true ->
From - 1
end,
del_one_by_one_dbag_3(T,Next,To).
successive_delete(Table,From,To,Type) ->
successive_delete(Table,From,To,Type,ets:info(Table,type)).
successive_delete(_Table,N,N,_,_) ->
ok;
successive_delete(Table,From,To,Type,TType) ->
MS = case Type of
bound ->
[{{From,'_'},[],[true]}];
unbound ->
[{{'$1','_'},[],[{'==', '$1', From}]}]
end,
case TType of
X when X == bag; X == duplicate_bag ->
%erlang:display(From),
case From rem 2 of
0 ->
2 = ets:select_delete(Table,MS);
_ ->
0 = ets:select_delete(Table,MS)
end;
_ ->
1 = ets:select_delete(Table,MS)
end,
Next = if
From < To ->
From + 1;
true ->
From - 1
end,
successive_delete(Table, Next, To, Type,TType).
gen_dets_filename(Config,N) ->
filename:join(?config(priv_dir,Config),
"testdets_" ++ integer_to_list(N) ++ ".dets").
otp_6842_select_1000(Config) when is_list(Config) ->
?line Tab = ets_new(xxx,[ordered_set]),
?line [ets:insert(Tab,{X,X}) || X <- lists:seq(1,10000)],
?line AllTrue = lists:duplicate(10,true),
?line AllTrue =
[ length(
element(1,
ets:select(Tab,[{'_',[],['$_']}],X*1000))) =:=
X*1000 || X <- lists:seq(1,10) ],
?line Sequences = [[1000,1000,1000,1000,1000,1000,1000,1000,1000,1000],
[2000,2000,2000,2000,2000],
[3000,3000,3000,1000],
[4000,4000,2000],
[5000,5000],
[6000,4000],
[7000,3000],
[8000,2000],
[9000,1000],
[10000]],
?line AllTrue = [ check_seq(Tab, ets:select(Tab,[{'_',[],['$_']}],hd(L)),L) ||
L <- Sequences ],
?line ets:delete(Tab),
ok.
check_seq(_,'$end_of_table',[]) ->
true;
check_seq(Tab,{L,C},[H|T]) when length(L) =:= H ->
check_seq(Tab, ets:select(C),T);
check_seq(A,B,C) ->
erlang:display({A,B,C}),
false.
otp_6338(Config) when is_list(Config) ->
L = binary_to_term(<<131,108,0,0,0,2,104,2,108,0,0,0,2,103,100,0,19,112,112,98,49,95,98,115,49,50,64,98,108,97,100,101,95,48,95,53,0,0,33,50,0,0,0,4,1,98,0,0,23,226,106,100,0,4,101,120,105,116,104,2,108,0,0,0,2,104,2,100,0,3,115,98,109,100,0,19,112,112,98,50,95,98,115,49,50,64,98,108,97,100,101,95,48,95,56,98,0,0,18,231,106,100,0,4,114,101,99,118,106>>),
T = ets_new(xxx,[ordered_set]),
lists:foreach(fun(X) -> ets:insert(T,X) end,L),
[[4839,recv]] = ets:match(T,{[{sbm,ppb2_bs12@blade_0_8},'$1'],'$2'}),
ets:delete(T).
%% Elements could come in the wrong order in a bag if a rehash occurred.
otp_5340(Config) when is_list(Config) ->
repeat_for_opts(otp_5340_do).
otp_5340_do(Opts) ->
N = 3000,
T = ets_new(otp_5340, [bag,public | Opts]),
Ids = [1,2,3,4,5],
[w(T, N, Id) || Id <- Ids],
verify(T, Ids),
ets:delete(T).
w(_,0, _) -> ok;
w(T,N, Id) ->
ets:insert(T, {N, Id}),
w(T,N-1,Id).
verify(T, Ids) ->
List = my_tab_to_list(T),
Errors = lists:filter(fun(Bucket) ->
verify2(Bucket, Ids)
end, List),
case Errors of
[] ->
ok;
_ ->
io:format("Failed:\n~p\n", [Errors]),
?t:fail()
end.
verify2([{_N,Id}|RL], [Id|R]) ->
verify2(RL,R);
verify2([],[]) -> false;
verify2(_Err, _) ->
true.
otp_7665(doc) -> ["delete_object followed by delete on fixed bag failed to delete objects."];
otp_7665(suite) -> [];
otp_7665(Config) when is_list(Config) ->
repeat_for_opts(otp_7665_do).
otp_7665_do(Opts) ->
Tab = ets_new(otp_7665,[bag | Opts]),
Min = 0,
Max = 10,
lists:foreach(fun(N)-> otp_7665_act(Tab,Min,Max,N) end,
lists:seq(Min,Max)),
?line true = ets:delete(Tab).
otp_7665_act(Tab,Min,Max,DelNr) ->
List1 = [{key,N} || N <- lists:seq(Min,Max)],
?line true = ets:insert(Tab, List1),
?line true = ets:safe_fixtable(Tab, true),
?line true = ets:delete_object(Tab, {key,DelNr}),
List2 = lists:delete({key,DelNr}, List1),
%% Now verify that we find all remaining objects
?line List2 = ets:lookup(Tab,key),
?line EList2 = lists:map(fun({key,N})-> N end,
List2),
?line EList2 = ets:lookup_element(Tab,key,2),
?line true = ets:delete(Tab, key),
?line [] = ets:lookup(Tab, key),
?line true = ets:safe_fixtable(Tab, false),
ok.
%% Whitebox testing of meta name table hashing.
meta_wb(Config) when is_list(Config) ->
?line EtsMem = etsmem(),
?line erts_debug:set_internal_state(available_internal_state, true),
try
repeat_for_opts(meta_wb_do)
after
erts_debug:set_internal_state(available_internal_state, false)
end,
?line verify_etsmem(EtsMem).
meta_wb_do(Opts) ->
%% Do random new/delete/rename of colliding named tables
Names0 = [pioneer | colliding_names(pioneer)],
%% Remove any names that happen to exist as tables already
Names = lists:filter(fun(Name) -> ets:info(Name) == undefined end,
Names0),
Len = length(Names),
OpFuns = {fun meta_wb_new/4, fun meta_wb_delete/4, fun meta_wb_rename/4},
?line true = (Len >= 3),
io:format("Colliding names = ~p\n",[Names]),
F = fun(0,_,_) -> ok;
(N,Tabs,Me) -> Name1 = lists:nth(random:uniform(Len),Names),
Name2 = lists:nth(random:uniform(Len),Names),
Op = element(random:uniform(3),OpFuns),
NTabs = Op(Name1, Name2, Tabs, Opts),
Me(N-1,NTabs,Me)
end,
F(Len*100, [], F),
% cleanup
lists:foreach(fun(Name)->catch ets:delete(Name) end,
Names).
meta_wb_new(Name, _, Tabs, Opts) ->
case (catch ets_new(Name,[named_table|Opts])) of
Name ->
?line false = lists:member(Name, Tabs),
[Name | Tabs];
{'EXIT',{badarg,_}} ->
?line true = lists:member(Name, Tabs),
Tabs
end.
meta_wb_delete(Name, _, Tabs, _) ->
case (catch ets:delete(Name)) of
true ->
?line true = lists:member(Name, Tabs),
lists:delete(Name, Tabs);
{'EXIT',{badarg,_}} ->
?line false = lists:member(Name, Tabs),
Tabs
end.
meta_wb_rename(Old, New, Tabs, _) ->
case (catch ets:rename(Old,New)) of
New ->
?line true = lists:member(Old, Tabs)
andalso not lists:member(New, Tabs),
[New | lists:delete(Old, Tabs)];
{'EXIT',{badarg,_}} ->
?line true = not lists:member(Old, Tabs)
orelse lists:member(New,Tabs),
Tabs
end.
colliding_names(Name) ->
erts_debug:set_internal_state(colliding_names, {Name,5}).
%% OTP_6913: Grow and shrink.
grow_shrink(Config) when is_list(Config) ->
?line EtsMem = etsmem(),
grow_shrink_0(lists:seq(3071, 5000), EtsMem).
grow_shrink_0([N|Ns], EtsMem) ->
?line grow_shrink_1(N, [set]),
?line grow_shrink_1(N, [ordered_set]),
?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).
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) ->
true = ets:insert(T, {N,a}),
grow_shrink_2(N-1, Orig, T).
grow_shrink_3(0, T) ->
[] = ets:tab2list(T);
grow_shrink_3(N, T) ->
true = ets:delete(T, N),
grow_shrink_3(N-1, T).
grow_pseudo_deleted(doc) -> ["Grow a table that still contains pseudo-deleted objects"];
grow_pseudo_deleted(suite) -> [];
grow_pseudo_deleted(Config) when is_list(Config) ->
only_if_smp(fun() -> grow_pseudo_deleted_do() end).
grow_pseudo_deleted_do() ->
lists:foreach(fun(Type) -> grow_pseudo_deleted_do(Type) end,
[set,bag,duplicate_bag]).
grow_pseudo_deleted_do(Type) ->
process_flag(scheduler,1),
Self = self(),
?line T = ets_new(kalle,[Type,public,{write_concurrency,true}]),
Mod = 7, Mult = 10000,
filltabint(T,Mod*Mult),
?line true = ets:safe_fixtable(T,true),
?line Mult = ets:select_delete(T,
[{{'$1', '_'},
[{'=:=', {'rem', '$1', Mod}, 0}],
[true]}]),
Left = Mult*(Mod-1),
?line Left = ets:info(T,size),
?line Mult = ets:info(T,kept_objects),
filltabstr(T,Mult),
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}]),
?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)]),
?line false = ets:info(T,fixed),
?line 0 = ets:info(T,kept_objects),
?line done = receive_any(),
%%verify_table_load(T), % may fail if concurrency is poor (genny)
ets:delete(T),
process_flag(scheduler,0).
shrink_pseudo_deleted(doc) -> ["Shrink a table that still contains pseudo-deleted objects"];
shrink_pseudo_deleted(suite) -> [];
shrink_pseudo_deleted(Config) when is_list(Config) ->
only_if_smp(fun()->shrink_pseudo_deleted_do() end).
shrink_pseudo_deleted_do() ->
lists:foreach(fun(Type) -> shrink_pseudo_deleted_do(Type) end,
[set,bag,duplicate_bag]).
shrink_pseudo_deleted_do(Type) ->
process_flag(scheduler,1),
Self = self(),
?line T = ets_new(kalle,[Type,public,{write_concurrency,true}]),
Half = 10000,
filltabint(T,Half*2),
?line true = ets:safe_fixtable(T,true),
?line Half = ets:select_delete(T,
[{{'$1', '_'},
[{'>', '$1', Half}],
[true]}]),
?line Half = ets:info(T,size),
?line Half = ets:info(T,kept_objects),
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}]),
?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)]),
?line false = ets:info(T,fixed),
?line 0 = ets:info(T,kept_objects),
?line done = receive_any(),
%%verify_table_load(T), % may fail if concurrency is poor (genny)
ets:delete(T),
process_flag(scheduler,0).
meta_lookup_unnamed_read(suite) -> [];
meta_lookup_unnamed_read(Config) when is_list(Config) ->
InitF = fun(_) -> Tab = ets_new(unnamed,[]),
true = ets:insert(Tab,{key,data}),
Tab
end,
ExecF = fun(Tab) -> [{key,data}] = ets:lookup(Tab,key),
Tab
end,
FiniF = fun(Tab) -> true = ets:delete(Tab)
end,
run_workers(InitF,ExecF,FiniF,10000).
meta_lookup_unnamed_write(suite) -> [];
meta_lookup_unnamed_write(Config) when is_list(Config) ->
InitF = fun(_) -> Tab = ets_new(unnamed,[]),
{Tab,0}
end,
ExecF = fun({Tab,N}) -> true = ets:insert(Tab,{key,N}),
{Tab,N+1}
end,
FiniF = fun({Tab,_}) -> true = ets:delete(Tab)
end,
run_workers(InitF,ExecF,FiniF,10000).
meta_lookup_named_read(suite) -> [];
meta_lookup_named_read(Config) when is_list(Config) ->
InitF = fun([ProcN|_]) -> Name = list_to_atom(integer_to_list(ProcN)),
Tab = ets_new(Name,[named_table]),
true = ets:insert(Tab,{key,data}),
Tab
end,
ExecF = fun(Tab) -> [{key,data}] = ets:lookup(Tab,key),
Tab
end,
FiniF = fun(Tab) -> true = ets:delete(Tab)
end,
run_workers(InitF,ExecF,FiniF,10000).
meta_lookup_named_write(suite) -> [];
meta_lookup_named_write(Config) when is_list(Config) ->
InitF = fun([ProcN|_]) -> Name = list_to_atom(integer_to_list(ProcN)),
Tab = ets_new(Name,[named_table]),
{Tab,0}
end,
ExecF = fun({Tab,N}) -> true = ets:insert(Tab,{key,N}),
{Tab,N+1}
end,
FiniF = fun({Tab,_}) -> true = ets:delete(Tab)
end,
run_workers(InitF,ExecF,FiniF,10000).
meta_newdel_unnamed(suite) -> [];
meta_newdel_unnamed(Config) when is_list(Config) ->
InitF = fun(_) -> ok end,
ExecF = fun(_) -> Tab = ets_new(unnamed,[]),
true = ets:delete(Tab)
end,
FiniF = fun(_) -> ok end,
run_workers(InitF,ExecF,FiniF,10000).
meta_newdel_named(suite) -> [];
meta_newdel_named(Config) when is_list(Config) ->
InitF = fun([ProcN|_]) -> list_to_atom(integer_to_list(ProcN))
end,
ExecF = fun(Name) -> Name = ets_new(Name,[named_table]),
true = ets:delete(Name),
Name
end,
FiniF = fun(_) -> ok end,
run_workers(InitF,ExecF,FiniF,10000).
smp_insert(doc) -> ["Concurrent insert's on same table"];
smp_insert(suite) -> [];
smp_insert(Config) when is_list(Config) ->
ets_new(smp_insert,[named_table,public,{write_concurrency,true}]),
InitF = fun(_) -> ok end,
ExecF = fun(_) -> true = ets:insert(smp_insert,{random:uniform(10000)})
end,
FiniF = fun(_) -> ok end,
run_workers(InitF,ExecF,FiniF,100000),
verify_table_load(smp_insert),
ets:delete(smp_insert).
smp_fixed_delete(doc) -> ["Concurrent delete's on same fixated table"];
smp_fixed_delete(suite) -> [];
smp_fixed_delete(Config) when is_list(Config) ->
only_if_smp(fun()->smp_fixed_delete_do() end).
smp_fixed_delete_do() ->
T = ets_new(foo,[public,{write_concurrency,true}]),
%%Mem = ets:info(T,memory),
NumOfObjs = 100000,
filltabint(T,NumOfObjs),
ets:safe_fixtable(T,true),
Buckets = num_of_buckets(T),
InitF = fun([ProcN,NumOfProcs|_]) -> {ProcN,NumOfProcs} end,
ExecF = fun({Key,_}) when Key > NumOfObjs ->
[end_of_work];
({Key,Increment}) ->
true = ets:delete(T,Key),
{Key+Increment,Increment}
end,
FiniF = fun(_) -> ok end,
run_workers_do(InitF,ExecF,FiniF,NumOfObjs),
?line 0 = ets:info(T,size),
?line true = ets:info(T,fixed),
?line Buckets = num_of_buckets(T),
?line NumOfObjs = ets:info(T,kept_objects),
ets:safe_fixtable(T,false),
%% Will fail as unfix does not shrink the table:
%%?line Mem = ets:info(T,memory),
%%verify_table_load(T),
ets:delete(T).
num_of_buckets(T) ->
?line element(1,ets:info(T,stats)).
smp_unfix_fix(doc) -> ["Fixate hash table while other process is busy doing unfix"];
smp_unfix_fix(suite) -> [];
smp_unfix_fix(Config) when is_list(Config) ->
only_if_smp(fun()-> smp_unfix_fix_do() end).
smp_unfix_fix_do() ->
process_flag(scheduler,1),
Parent = self(),
T = ets_new(foo,[public,{write_concurrency,true}]),
%%Mem = ets:info(T,memory),
NumOfObjs = 100000,
Deleted = 50000,
filltabint(T,NumOfObjs),
ets:safe_fixtable(T,true),
Buckets = num_of_buckets(T),
?line Deleted = ets:select_delete(T,[{{'$1', '_'},
[{'=<','$1', Deleted}],
[true]}]),
?line Buckets = num_of_buckets(T),
Left = NumOfObjs - Deleted,
?line Left = ets:info(T,size),
?line true = ets:info(T,fixed),
?line Deleted = ets:info(T,kept_objects),
{Child, Mref} =
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 = ets:info(T,kept_objects) >= Left,
?line 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()]),
Child ! done,
{'DOWN', Mref, process, Child, normal} = receive_any(),
?line false = ets:info(T,fixed),
?line 0 = ets:info(T,kept_objects),
%%verify_table_load(T),
ets:delete(T),
process_flag(scheduler,0).
otp_8166(doc) -> ["Unsafe unfix was done by trapping select/match"];
otp_8166(suite) -> [];
otp_8166(Config) when is_list(Config) ->
only_if_smp(3, fun()-> otp_8166_do(false),
otp_8166_do(true)
end).
otp_8166_do(WC) ->
%% Bug scenario: One process segv while reading the table because another
%% process is doing unfix without write-lock at the end of a trapping match_object.
process_flag(scheduler,1),
T = ets_new(foo,[public, {write_concurrency,WC}]),
NumOfObjs = 3000, %% Need more than 1000 live objects for match_object to trap one time
Deleted = NumOfObjs div 2,
filltabint(T,NumOfObjs),
{ReaderPid, ReaderMref} =
spawn_opt(fun()-> otp_8166_reader(T,NumOfObjs) end,
[link, monitor, {scheduler,2}]),
{ZombieCrPid, ZombieCrMref} =
spawn_opt(fun()-> otp_8166_zombie_creator(T,Deleted) end,
[link, monitor, {scheduler,3}]),
repeat(fun() -> ZombieCrPid ! {loop, self()},
zombies_created = receive_any(),
otp_8166_trapper(T, 10, ZombieCrPid)
end,
100),
ReaderPid ! quit,
{'DOWN', ReaderMref, process, ReaderPid, normal} = receive_any(),
ZombieCrPid ! quit,
{'DOWN', ZombieCrMref, process, ZombieCrPid, normal} = receive_any(),
?line false = ets:info(T,fixed),
?line 0 = ets:info(T,kept_objects),
%%verify_table_load(T),
ets:delete(T),
process_flag(scheduler,0).
%% Keep reading the table
otp_8166_reader(T, NumOfObjs) ->
repeat_while(fun(0) ->
receive quit -> {false,done}
after 0 -> {true,NumOfObjs}
end;
(Key) ->
ets:lookup(T,Key),
{true, Key-1}
end,
NumOfObjs).
%% Do a match_object that will trap and thereby fixate and then unfixate the table
otp_8166_trapper(T, Try, ZombieCrPid) ->
[] = ets:match_object(T,{'_',"Pink Unicorn"}),
case {ets:info(T,fixed),Try} of
{true,1} ->
io:format("failed to provoke unsafe unfix, give up...\n",[]),
ZombieCrPid ! unfix;
{true,_} ->
io:format("trapper too fast, trying again...\n",[]),
otp_8166_trapper(T, Try-1, ZombieCrPid);
{false,_} -> done
end.
%% Fixate table and create some pseudo-deleted objects (zombies)
%% Then wait for trapper to fixate before unfixing, as we want the trappers'
%% unfix to be the one that purges the zombies.
otp_8166_zombie_creator(T,Deleted) ->
case receive_any() of
quit -> done;
{loop,Pid} ->
filltabint(T,Deleted),
ets:safe_fixtable(T,true),
?line Deleted = ets:select_delete(T,[{{'$1', '_'},
[{'=<','$1', Deleted}],
[true]}]),
Pid ! zombies_created,
repeat_while(fun() -> case ets:info(T,safe_fixed) of
{_,[_P1,_P2]} ->
false;
_ ->
receive unfix -> false
after 0 -> true
end
end
end),
ets:safe_fixtable(T,false),
otp_8166_zombie_creator(T,Deleted);
unfix ->
io:format("ignore unfix in outer loop?\n",[]),
otp_8166_zombie_creator(T,Deleted)
end.
verify_table_load(T) ->
?line Stats = ets:info(T,stats),
?line {Buckets,AvgLen,StdDev,ExpSD,_MinLen,_MaxLen} = Stats,
?line ok = if
AvgLen > 7 ->
io:format("Table overloaded: Stats=~p\n~p\n",
[Stats, ets:info(T)]),
false;
Buckets>256, AvgLen < 6 ->
io:format("Table underloaded: Stats=~p\n~p\n",
[Stats, ets:info(T)]),
false;
StdDev > ExpSD*2 ->
io:format("Too large standard deviation (poor hashing?),"
" stats=~p\n~p\n",[Stats, ets:info(T)]),
false;
true ->
io:format("Stats = ~p\n",[Stats]),
ok
end.
otp_8732(doc) -> ["ets:select on a tree with NIL key object"];
otp_8732(Config) when is_list(Config) ->
Tab = ets_new(noname,[ordered_set]),
filltabstr(Tab,999),
ets:insert(Tab,{[],"nasty NIL object"}),
?line [] = ets:match(Tab,{'_',nomatch}), %% Will hang if bug not fixed
ok.
smp_select_delete(suite) -> [];
smp_select_delete(doc) ->
["Run concurrent select_delete (and inserts) on same table."];
smp_select_delete(Config) when is_list(Config) ->
T = ets_new(smp_select_delete,[named_table,public,{write_concurrency,true}]),
Mod = 17,
Zeros = erlang:make_tuple(Mod,0),
InitF = fun(_) -> Zeros end,
ExecF = fun(Diffs0) ->
case random:uniform(20) of
1 ->
Mod = 17,
Eq = random:uniform(Mod) - 1,
Deleted = ets:select_delete(T,
[{{'_', '$1'},
[{'=:=', {'rem', '$1', Mod}, Eq}],
[true]}]),
Diffs1 = setelement(Eq+1, Diffs0,
element(Eq+1,Diffs0) - Deleted),
Diffs1;
_ ->
Key = random:uniform(10000),
Eq = Key rem Mod,
?line case ets:insert_new(T,{Key,Key}) of
true ->
Diffs1 = setelement(Eq+1, Diffs0,
element(Eq+1,Diffs0)+1),
Diffs1;
false -> Diffs0
end
end
end,
FiniF = fun(Result) -> Result end,
Results = run_workers_do(InitF,ExecF,FiniF,20000),
?line TotCnts = lists:foldl(fun(Diffs, Sum) -> add_lists(Sum,tuple_to_list(Diffs)) end,
lists:duplicate(Mod, 0), Results),
io:format("TotCnts = ~p\n",[TotCnts]),
?line LeftInTab = lists:foldl(fun(N,Sum) -> Sum+N end,
0, TotCnts),
io:format("LeftInTab = ~p\n",[LeftInTab]),
?line LeftInTab = ets:info(T,size),
lists:foldl(fun(Cnt,Eq) ->
WasCnt = ets:select_count(T,
[{{'_', '$1'},
[{'=:=', {'rem', '$1', Mod}, Eq}],
[true]}]),
io:format("~p: ~p =?= ~p\n",[Eq,Cnt,WasCnt]),
?line Cnt = WasCnt,
Eq+1
end,
0, TotCnts),
verify_table_load(T),
?line LeftInTab = ets:select_delete(T, [{{'$1','$1'}, [], [true]}]),
?line 0 = ets:info(T,size),
?line false = ets:info(T,fixed),
ets:delete(T).
types(doc) -> ["Test different types"];
types(Config) when is_list(Config) ->
init_externals(),
repeat_for_opts(types_do,[[set,ordered_set],compressed]).
types_do(Opts) ->
EtsMem = etsmem(),
?line T = ets_new(xxx,Opts),
Fun = fun(Term) ->
ets:insert(T,{Term}),
?line [{Term}] = ets:lookup(T,Term),
ets:insert(T,{Term,xxx}),
?line [{Term,xxx}] = ets:lookup(T,Term),
ets:insert(T,{Term,"xxx"}),
?line [{Term,"xxx"}] = ets:lookup(T,Term),
ets:insert(T,{xxx,Term}),
?line [{xxx,Term}] = ets:lookup(T,xxx),
ets:insert(T,{"xxx",Term}),
?line [{"xxx",Term}] = ets:lookup(T,"xxx"),
ets:delete_all_objects(T),
?line 0 = ets:info(T,size)
end,
test_terms(Fun),
ets:delete(T),
?line verify_etsmem(EtsMem).
%
% Utility functions:
%
add_lists(L1,L2) ->
add_lists(L1,L2,[]).
add_lists([],[],Acc) ->
lists:reverse(Acc);
add_lists([E1|T1], [E2|T2], Acc) ->
add_lists(T1, T2, [E1+E2 | Acc]).
run_workers(InitF,ExecF,FiniF,Laps) ->
case erlang:system_info(smp_support) of
true ->
run_workers_do(InitF,ExecF,FiniF,Laps);
false ->
{skipped,"No smp support"}
end.
run_workers_do(InitF,ExecF,FiniF,Laps) ->
NumOfProcs = erlang:system_info(schedulers),
io:format("smp starting ~p workers\n",[NumOfProcs]),
Seeds = [{ProcN,random:uniform(9999)} || ProcN <- lists:seq(1,NumOfProcs)],
Parent = self(),
Pids = [spawn_link(fun()-> worker(Seed,InitF,ExecF,FiniF,Laps,Parent,NumOfProcs) end)
|| Seed <- Seeds],
wait_pids(Pids).
worker({ProcN,Seed}, InitF, ExecF, FiniF, Laps, Parent, NumOfProcs) ->
io:format("smp worker ~p, seed=~p~n",[self(),Seed]),
random:seed(Seed,Seed,Seed),
State1 = InitF([ProcN, NumOfProcs]),
State2 = worker_loop(Laps, ExecF, State1),
Result = FiniF(State2),
io:format("worker ~p done\n",[self()]),
Parent ! {self(), Result}.
worker_loop(0, _, State) ->
State;
worker_loop(_, _, [end_of_work|State]) ->
State;
worker_loop(N, ExecF, State) ->
worker_loop(N-1,ExecF,ExecF(State)).
wait_pids(Pids) ->
wait_pids(Pids,[]).
wait_pids([],Acc) ->
Acc;
wait_pids(Pids, Acc) ->
receive
{Pid,Result} ->
?line true = lists:member(Pid,Pids),
Others = lists:delete(Pid,Pids),
io:format("wait_pid got ~p from ~p, still waiting for ~p\n",[Result,Pid,Others]),
wait_pids(Others,[Result | Acc])
end.
my_tab_to_list(Ts) ->
Key = ets:first(Ts),
my_tab_to_list(Ts,ets:next(Ts,Key),[ets:lookup(Ts, Key)]).
my_tab_to_list(_Ts,'$end_of_table', Acc) -> lists:reverse(Acc);
my_tab_to_list(Ts,Key, Acc) ->
my_tab_to_list(Ts,ets:next(Ts,Key),[ets:lookup(Ts, Key)| Acc]).
wait_for_all_schedulers_online_to_execute() ->
PMs = lists:map(fun (Sched) ->
spawn_opt(fun () -> ok end,
[monitor, {scheduler, Sched}])
end,
lists:seq(1,erlang:system_info(schedulers_online))),
lists:foreach(fun ({P, M}) ->
receive
{'DOWN', M, process, P, _} -> ok
end
end,
PMs),
ok.
etsmem() ->
%% Wait until it is guaranteed that all already scheduled
%% deallocations of DbTable structures have completed.
wait_for_all_schedulers_online_to_execute(),
AllTabs = lists:map(fun(T) -> {T,ets:info(T,name),ets:info(T,size),
ets:info(T,memory),ets:info(T,type)}
end, ets:all()),
Mem =
{try erlang:memory(ets) catch error:notsup -> notsup end,
case erlang:system_info({allocator,ets_alloc}) of
false -> undefined;
MemInfo ->
MSBCS = lists:foldl(
fun ({instance, _, L}, Acc) ->
{value,{_,MBCS}} = lists:keysearch(mbcs, 1, L),
{value,{_,SBCS}} = lists:keysearch(sbcs, 1, L),
[MBCS,SBCS | Acc]
end,
[],
MemInfo),
lists:foldl(
fun(L, {Bl0,BlSz0}) ->
{value,{_,Bl,_,_}} = lists:keysearch(blocks, 1, L),
{value,{_,BlSz,_,_}} = lists:keysearch(blocks_size, 1, L),
{Bl0+Bl,BlSz0+BlSz}
end, {0,0}, MSBCS)
end},
{Mem,AllTabs}.
verify_etsmem({MemInfo,AllTabs}) ->
wait_for_test_procs(),
case etsmem() of
{MemInfo,_} ->
io:format("Ets mem info: ~p", [MemInfo]),
case MemInfo of
{ErlMem,EtsAlloc} when ErlMem == notsup; EtsAlloc == undefined ->
%% Use 'erl +Mea max' to do more complete memory leak testing.
{comment,"Incomplete or no mem leak testing"};
_ ->
ok
end;
{MemInfo2, AllTabs2} ->
io:format("Expected: ~p", [MemInfo]),
io:format("Actual: ~p", [MemInfo2]),
io:format("Changed tables before: ~p\n",[AllTabs -- AllTabs2]),
io:format("Changed tables after: ~p\n", [AllTabs2 -- AllTabs]),
?t:fail()
end.
start_loopers(N, Prio, Fun, State) ->
lists:map(fun (_) ->
my_spawn_opt(fun () -> looper(Fun, State) end,
[{priority, Prio}, link])
end,
lists:seq(1, N)).
stop_loopers(Loopers) ->
lists:foreach(fun (P) ->
unlink(P),
exit(P, bang)
end,
Loopers),
ok.
looper(Fun, State) ->
looper(Fun, Fun(State)).
spawn_logger(Procs) ->
receive
{new_test_proc, Proc} ->
spawn_logger([Proc|Procs]);
{sync_test_procs, Kill, From} ->
lists:foreach(fun (Proc) when From == Proc ->
ok;
(Proc) ->
Mon = erlang:monitor(process, Proc),
receive
{'DOWN', Mon, _, _, _} ->
ok
after 0 ->
case Kill of
true -> exit(Proc, kill);
_ -> ok
end,
receive
{'DOWN', Mon, _, _, _} ->
ok
end
end
end, Procs),
From ! test_procs_synced,
spawn_logger([From])
end.
start_spawn_logger() ->
case whereis(ets_test_spawn_logger) of
Pid when is_pid(Pid) -> true;
_ -> register(ets_test_spawn_logger,
spawn_opt(fun () -> spawn_logger([]) end,
[{priority, max}]))
end.
%% restart_spawn_logger() ->
%% stop_spawn_logger(),
%% start_spawn_logger().
stop_spawn_logger() ->
Mon = erlang:monitor(process, ets_test_spawn_logger),
(catch exit(whereis(ets_test_spawn_logger), kill)),
receive {'DOWN', Mon, _, _, _} -> ok end,
ok.
wait_for_test_procs() ->
wait_for_test_procs(false).
wait_for_test_procs(Kill) ->
ets_test_spawn_logger ! {sync_test_procs, Kill, self()},
receive test_procs_synced -> ok end.
log_test_proc(Proc) ->
ets_test_spawn_logger ! {new_test_proc, Proc},
Proc.
my_spawn(Fun) -> log_test_proc(spawn(Fun)).
%%my_spawn(M,F,A) -> log_test_proc(spawn(M,F,A)).
%%my_spawn(N,M,F,A) -> log_test_proc(spawn(N,M,F,A)).
my_spawn_link(Fun) -> log_test_proc(spawn_link(Fun)).
my_spawn_link(M,F,A) -> log_test_proc(spawn_link(M,F,A)).
%%my_spawn_link(N,M,F,A) -> log_test_proc(spawn_link(N,M,F,A)).
my_spawn_opt(Fun,Opts) -> log_test_proc(spawn_opt(Fun,Opts)).
%%my_spawn_opt(M,F,A,Opts) -> log_test_proc(spawn_opt(M,F,A,Opts)).
%%my_spawn_opt(N,M,F,A,Opts) -> log_test_proc(spawn_opt(N,M,F,A,Opts)).
repeat(_Fun, 0) ->
ok;
repeat(Fun, N) ->
Fun(),
repeat(Fun, N-1).
repeat_while(Fun) ->
case Fun() of
true -> repeat_while(Fun);
false -> false
end.
repeat_while(Fun, Arg0) ->
case Fun(Arg0) of
{true,Arg1} -> repeat_while(Fun,Arg1);
{false,Ret} -> Ret
end.
receive_any() ->
receive M ->
io:format("Process ~p got msg ~p\n", [self(),M]),
M
end.
receive_any_spinning() ->
receive_any_spinning(1000000).
receive_any_spinning(Loops) ->
receive_any_spinning(Loops,Loops,1).
receive_any_spinning(Loops,0,Tries) ->
receive M ->
io:format("Spinning process ~p got msg ~p after ~p tries\n", [self(),M,Tries]),
M
after 0 ->
receive_any_spinning(Loops, Loops, Tries+1)
end;
receive_any_spinning(Loops, N, Tries) when N>0 ->
receive_any_spinning(Loops, N-1, Tries).
spawn_monitor_with_pid(Pid, Fun) when is_pid(Pid) ->
spawn_monitor_with_pid(Pid, Fun, 1, 10).
spawn_monitor_with_pid(Pid, Fun, N, M) when N > M*10 ->
spawn_monitor_with_pid(Pid, Fun, N, M*10);
spawn_monitor_with_pid(Pid, Fun, N, M) ->
?line false = is_process_alive(Pid),
case spawn(fun()-> case self() of
Pid -> Fun();
_ -> die
end
end) of
Pid ->
{Pid, erlang:monitor(process, Pid)};
Other ->
case N rem M of
0 -> io:format("Failed ~p times to get pid ~p (current = ~p)\n",[N,Pid,Other]);
_ -> ok
end,
spawn_monitor_with_pid(Pid,Fun,N+1,M)
end.
only_if_smp(Func) ->
only_if_smp(2, Func).
only_if_smp(Schedulers, Func) ->
case {erlang:system_info(smp_support),
erlang:system_info(schedulers_online)} of
{false,_} -> {skip,"No smp support"};
{true,N} when N < Schedulers -> {skip,"Too few schedulers online"};
{true,_} -> Func()
end.
%% Copy-paste from emulator/test/binary_SUITE.erl
-define(heap_binary_size, 64).
test_terms(Test_Func) ->
garbage_collect(),
?line Pib0 = process_info(self(),binary),
?line Test_Func(atom),
?line Test_Func(''),
?line Test_Func('a'),
?line Test_Func('ab'),
?line Test_Func('abc'),
?line Test_Func('abcd'),
?line Test_Func('abcde'),
?line Test_Func('abcdef'),
?line Test_Func('abcdefg'),
?line Test_Func('abcdefgh'),
?line Test_Func(fun() -> ok end),
X = id([a,{b,c},c]),
Y = id({x,y,z}),
Z = id(1 bsl 8*257),
?line Test_Func(fun() -> X end),
?line Test_Func(fun() -> {X,Y} end),
?line Test_Func([fun() -> {X,Y,Z} end,
fun() -> {Z,X,Y} end,
fun() -> {Y,Z,X} end]),
?line Test_Func({trace_ts,{even_bigger,{some_data,fun() -> ok end}},{1,2,3}}),
?line Test_Func({trace_ts,{even_bigger,{some_data,<<1,2,3,4,5,6,7,8,9,10>>}},
{1,2,3}}),
?line Test_Func(1),
?line Test_Func(42),
?line Test_Func(-23),
?line Test_Func(256),
?line Test_Func(25555),
?line Test_Func(-3333),
?line Test_Func(1.0),
?line Test_Func(183749783987483978498378478393874),
?line Test_Func(-37894183749783987483978498378478393874),
Very_Big = very_big_num(),
?line Test_Func(Very_Big),
?line Test_Func(-Very_Big+1),
?line Test_Func([]),
?line Test_Func("abcdef"),
?line Test_Func([a, b, 1, 2]),
?line Test_Func([a|b]),
?line Test_Func({}),
?line Test_Func({1}),
?line Test_Func({a, b}),
?line Test_Func({a, b, c}),
?line Test_Func(list_to_tuple(lists:seq(0, 255))),
?line Test_Func(list_to_tuple(lists:seq(0, 256))),
?line Test_Func(make_ref()),
?line Test_Func([make_ref(), make_ref()]),
?line Test_Func(make_port()),
?line Test_Func(make_pid()),
?line Test_Func(make_ext_pid()),
?line Test_Func(make_ext_port()),
?line Test_Func(make_ext_ref()),
Bin0 = list_to_binary(lists:seq(0, 14)),
?line Test_Func(Bin0),
Bin1 = list_to_binary(lists:seq(0, ?heap_binary_size)),
?line Test_Func(Bin1),
Bin2 = list_to_binary(lists:seq(0, ?heap_binary_size+1)),
?line Test_Func(Bin2),
Bin3 = list_to_binary(lists:seq(0, 255)),
garbage_collect(),
Pib = process_info(self(),binary),
?line Test_Func(Bin3),
garbage_collect(),
?line Pib = process_info(self(),binary),
?line Test_Func(make_unaligned_sub_binary(Bin0)),
?line Test_Func(make_unaligned_sub_binary(Bin1)),
?line Test_Func(make_unaligned_sub_binary(Bin2)),
?line Test_Func(make_unaligned_sub_binary(Bin3)),
?line Test_Func(make_sub_binary(lists:seq(42, 43))),
?line Test_Func(make_sub_binary([42,43,44])),
?line Test_Func(make_sub_binary([42,43,44,45])),
?line Test_Func(make_sub_binary([42,43,44,45,46])),
?line Test_Func(make_sub_binary([42,43,44,45,46,47])),
?line Test_Func(make_sub_binary([42,43,44,45,46,47,48])),
?line Test_Func(make_sub_binary(lists:seq(42, 49))),
?line Test_Func(make_sub_binary(lists:seq(0, 14))),
?line Test_Func(make_sub_binary(lists:seq(0, ?heap_binary_size))),
?line Test_Func(make_sub_binary(lists:seq(0, ?heap_binary_size+1))),
?line Test_Func(make_sub_binary(lists:seq(0, 255))),
?line Test_Func(make_unaligned_sub_binary(lists:seq(42, 43))),
?line Test_Func(make_unaligned_sub_binary([42,43,44])),
?line Test_Func(make_unaligned_sub_binary([42,43,44,45])),
?line Test_Func(make_unaligned_sub_binary([42,43,44,45,46])),
?line Test_Func(make_unaligned_sub_binary([42,43,44,45,46,47])),
?line Test_Func(make_unaligned_sub_binary([42,43,44,45,46,47,48])),
?line Test_Func(make_unaligned_sub_binary(lists:seq(42, 49))),
?line Test_Func(make_unaligned_sub_binary(lists:seq(0, 14))),
?line Test_Func(make_unaligned_sub_binary(lists:seq(0, ?heap_binary_size))),
?line Test_Func(make_unaligned_sub_binary(lists:seq(0, ?heap_binary_size+1))),
?line Test_Func(make_unaligned_sub_binary(lists:seq(0, 255))),
%% Bit level binaries.
?line Test_Func(<<1:1>>),
?line Test_Func(<<2:2>>),
?line Test_Func(<<42:10>>),
?line Test_Func(list_to_bitstring([<<5:6>>|lists:seq(0, 255)])),
?line Test_Func(F = fun(A) -> 42*A end),
?line Test_Func(lists:duplicate(32, F)),
?line Test_Func(FF = fun binary_SUITE:all/1),
?line Test_Func(lists:duplicate(32, FF)),
garbage_collect(),
?line Pib0 = process_info(self(),binary),
ok.
id(I) -> I.
very_big_num() ->
very_big_num(33, 1).
very_big_num(Left, Result) when Left > 0 ->
?line very_big_num(Left-1, Result*256);
very_big_num(0, Result) ->
?line Result.
make_port() ->
?line open_port({spawn, efile}, [eof]).
make_pid() ->
?line spawn_link(?MODULE, sleeper, []).
sleeper() ->
?line receive after infinity -> ok end.
make_ext_pid() ->
{Pid, _, _} = get(externals),
Pid.
make_ext_port() ->
{_, Port, _} = get(externals),
Port.
make_ext_ref() ->
{_, _, Ref} = get(externals),
Ref.
init_externals() ->
SysDistSz = ets:info(sys_dist,size),
?line Pa = filename:dirname(code:which(?MODULE)),
?line {ok, Node} = test_server:start_node(plopp, slave, [{args, " -pa " ++ Pa}]),
?line Res = case rpc:call(Node, ?MODULE, rpc_externals, []) of
{badrpc, {'EXIT', E}} ->
test_server:fail({rpcresult, E});
R -> R
end,
?line test_server:stop_node(Node),
%% Wait for table 'sys_dist' to stabilize
repeat_while(fun() ->
case ets:info(sys_dist,size) of
SysDistSz -> false;
Sz ->
io:format("Waiting for sys_dist to revert size from ~p to size ~p\n",
[Sz, SysDistSz]),
receive after 1000 -> true end
end
end),
put(externals, Res).
rpc_externals() ->
{self(), make_port(), make_ref()}.
make_sub_binary(Bin) when is_binary(Bin) ->
{_,B} = split_binary(list_to_binary([0,1,3,Bin]), 3),
B;
make_sub_binary(List) ->
make_sub_binary(list_to_binary(List)).
make_unaligned_sub_binary(Bin0) when is_binary(Bin0) ->
Bin1 = <<0:3,Bin0/binary,31:5>>,
Sz = size(Bin0),
<<0:3,Bin:Sz/binary,31:5>> = id(Bin1),
Bin;
make_unaligned_sub_binary(List) ->
make_unaligned_sub_binary(list_to_binary(List)).
%% Repeat test function with different combination of table options
%%
repeat_for_opts(F) ->
repeat_for_opts(F, [write_concurrency, read_concurrency, compressed]).
repeat_for_opts(F, OptGenList) when is_atom(F) ->
repeat_for_opts(fun(Opts) -> ?MODULE:F(Opts) end, OptGenList);
repeat_for_opts({F,Args}, OptGenList) when is_atom(F) ->
repeat_for_opts(fun(Opts) -> ?MODULE:F(Opts,Args) end, OptGenList);
repeat_for_opts(F, OptGenList) ->
repeat_for_opts(F, OptGenList, []).
repeat_for_opts(F, [], Acc) ->
lists:map(fun(Opts) ->
OptList = lists:filter(fun(E) -> E =/= void end, Opts),
io:format("Calling with options ~p\n",[OptList]),
F(OptList)
end, Acc);
repeat_for_opts(F, [OptList | Tail], []) when is_list(OptList) ->
repeat_for_opts(F, Tail, [[Opt] || Opt <- OptList]);
repeat_for_opts(F, [OptList | Tail], AccList) when is_list(OptList) ->
repeat_for_opts(F, Tail, [[Opt|Acc] || Opt <- OptList, Acc <- AccList]);
repeat_for_opts(F, [Atom | Tail], AccList) when is_atom(Atom) ->
repeat_for_opts(F, [repeat_for_opts_atom2list(Atom) | Tail ], AccList).
repeat_for_opts_atom2list(all_types) -> [set,ordered_set,bag,duplicate_bag];
repeat_for_opts_atom2list(write_concurrency) -> [{write_concurrency,false},{write_concurrency,true}];
repeat_for_opts_atom2list(read_concurrency) -> [{read_concurrency,false},{read_concurrency,true}];
repeat_for_opts_atom2list(compressed) -> [compressed,void].
ets_new(Name, Opts) ->
%%ets:new(Name, [compressed | Opts]).
ets:new(Name, Opts).
