diff options
Diffstat (limited to 'erts/emulator/test/persistent_term_SUITE.erl')
| -rw-r--r-- | erts/emulator/test/persistent_term_SUITE.erl | 158 |
1 files changed, 121 insertions, 37 deletions
diff --git a/erts/emulator/test/persistent_term_SUITE.erl b/erts/emulator/test/persistent_term_SUITE.erl index 58cd3276b0..c9874e5679 100644 --- a/erts/emulator/test/persistent_term_SUITE.erl +++ b/erts/emulator/test/persistent_term_SUITE.erl @@ -6,7 +6,7 @@ %% Licensed under the Apache License, Version 2.0 (the "License"); %% you may not use this file except in compliance with the License. %% You may obtain a copy of the License at -%5 +%% %% http://www.apache.org/licenses/LICENSE-2.0 %% %% Unless required by applicable law or agreed to in writing, software @@ -21,11 +21,13 @@ -module(persistent_term_SUITE). -include_lib("common_test/include/ct.hrl"). --export([all/0,suite/0, +-export([all/0,suite/0,init_per_suite/1,end_per_suite/1, basic/1,purging/1,sharing/1,get_trapping/1, info/1,info_trapping/1,killed_while_trapping/1, off_heap_values/1,keys/1,collisions/1, - init_restart/1]). + init_restart/1, put_erase_trapping/1, + killed_while_trapping_put/1, + killed_while_trapping_erase/1]). %% -export([test_init_restart_cmd/1]). @@ -37,41 +39,53 @@ suite() -> all() -> [basic,purging,sharing,get_trapping,info,info_trapping, killed_while_trapping,off_heap_values,keys,collisions, - init_restart]. + init_restart, put_erase_trapping, killed_while_trapping_put, + killed_while_trapping_erase]. + +init_per_suite(Config) -> + %% Put a term in the dict so that we know that the testcases handle + %% stray terms left by stdlib or other test suites. + persistent_term:put(init_per_suite, {?MODULE}), + Config. + +end_per_suite(Config) -> + persistent_term:erase(init_per_suite), + Config. basic(_Config) -> Chk = chk(), N = 777, Seq = lists:seq(1, N), - par(2, N, Seq), - seq(3, Seq), - seq(3, Seq), %Same values. + par(2, N, Seq, Chk), + seq(3, Seq, Chk), + seq(3, Seq, Chk), %Same values. _ = [begin Key = {?MODULE,{key,I}}, true = persistent_term:erase(Key), false = persistent_term:erase(Key), - {'EXIT',{badarg,_}} = (catch persistent_term:get(Key)) + {'EXIT',{badarg,_}} = (catch persistent_term:get(Key)), + {not_present,Key} = persistent_term:get(Key, {not_present,Key}) end || I <- Seq], - [] = [P || {{?MODULE,_},_}=P <- persistent_term:get()], + [] = [P || {{?MODULE,_},_}=P <- pget(Chk)], chk(Chk). -par(C, N, Seq) -> +par(C, N, Seq, Chk) -> _ = [spawn_link(fun() -> ok = persistent_term:put({?MODULE,{key,I}}, {value,C*I}) end) || I <- Seq], - Result = wait(N), + Result = wait(N, Chk), _ = [begin Double = C*I, {{?MODULE,{key,I}},{value,Double}} = Res end || {I,Res} <- lists:zip(Seq, Result)], ok. -seq(C, Seq) -> +seq(C, Seq, Chk) -> _ = [ok = persistent_term:put({?MODULE,{key,I}}, {value,C*I}) || I <- Seq], - All = persistent_term:get(), - All = [P || {{?MODULE,_},_}=P <- persistent_term:get()], + All = pget(Chk), + All = [P || {{?MODULE,_},_}=P <- All], All = [{Key,persistent_term:get(Key)} || {Key,_} <- All], Result = lists:sort(All), _ = [begin @@ -80,15 +94,15 @@ seq(C, Seq) -> end || {I,Res} <- lists:zip(Seq, Result)], ok. -wait(N) -> - All = [P || {{?MODULE,_},_}=P <- persistent_term:get()], +wait(N, Chk) -> + All = [P || {{?MODULE,_},_}=P <- pget(Chk)], case length(All) of N -> All = [{Key,persistent_term:get(Key)} || {Key,_} <- All], lists:sort(All); _ -> receive after 10 -> ok end, - wait(N) + wait(N, Chk) end. %% Make sure that terms that have been erased are copied into all @@ -200,23 +214,23 @@ get_trapping(_Config) -> _ -> 1000 end, spawn_link(fun() -> get_trapping_create(N) end), - All = do_get_trapping(N, []), + All = do_get_trapping(N, [], Chk), N = get_trapping_check_result(lists:sort(All), 1), erlang:garbage_collect(), get_trapping_erase(N), chk(Chk). -do_get_trapping(N, Prev) -> - case persistent_term:get() of +do_get_trapping(N, Prev, Chk) -> + case pget(Chk) of Prev when length(Prev) >= N -> All = [P || {{?MODULE,{get_trapping,_}},_}=P <- Prev], case length(All) of N -> All; - _ -> do_get_trapping(N, Prev) + _ -> do_get_trapping(N, Prev, Chk) end; New -> receive after 1 -> ok end, - do_get_trapping(N, New) + do_get_trapping(N, New, Chk) end. get_trapping_create(0) -> @@ -331,25 +345,25 @@ info_trapping(_Config) -> _ -> 1000 end, spawn_link(fun() -> info_trapping_create(N) end), - All = do_info_trapping(N, 0), + All = do_info_trapping(N, 0, Chk), N = info_trapping_check_result(lists:sort(All), 1), erlang:garbage_collect(), info_trapping_erase(N), chk(Chk). -do_info_trapping(N, PrevMem) -> +do_info_trapping(N, PrevMem, Chk) -> case info_info() of - {N,Mem} -> + {M,Mem} when M >= N -> true = Mem >= PrevMem, - All = [P || {{?MODULE,{info_trapping,_}},_}=P <- persistent_term:get()], + All = [P || {{?MODULE,{info_trapping,_}},_}=P <- pget(Chk)], case length(All) of N -> All; - _ -> do_info_trapping(N, PrevMem) + _ -> do_info_trapping(N, PrevMem, Chk) end; {_,Mem} -> true = Mem >= PrevMem, receive after 1 -> ok end, - do_info_trapping(N, Mem) + do_info_trapping(N, Mem, Chk) end. info_trapping_create(0) -> @@ -462,17 +476,17 @@ collisions(_Config) -> _ = [V = persistent_term:get(K) || {K,V} <- Kvs], %% Now delete the persistent terms in random order. - collisions_delete(lists:keysort(2, Kvs)), + collisions_delete(lists:keysort(2, Kvs), Chk), chk(Chk). -collisions_delete([{Key,Val}|Kvs]) -> +collisions_delete([{Key,Val}|Kvs], Chk) -> Val = persistent_term:get(Key), true = persistent_term:erase(Key), - true = lists:sort(persistent_term:get()) =:= lists:sort(Kvs), + true = lists:sort(pget(Chk)) =:= lists:sort(Kvs), _ = [V = persistent_term:get(K) || {K,V} <- Kvs], - collisions_delete(Kvs); -collisions_delete([]) -> + collisions_delete(Kvs, Chk); +collisions_delete([], _) -> ok. colliding_keys() -> @@ -589,15 +603,16 @@ do_test_init_restart_cmd(File) -> %% and after each test case. chk() -> - persistent_term:info(). + {persistent_term:info(), persistent_term:get()}. -chk(Chk) -> - Chk = persistent_term:info(), +chk({Info, _Initial} = Chk) -> + Info = persistent_term:info(), Key = {?MODULE,?FUNCTION_NAME}, - ok = persistent_term:put(Key, {term,Chk}), + ok = persistent_term:put(Key, {term,Info}), Term = persistent_term:get(Key), true = persistent_term:erase(Key), chk_not_stuck(Term), + [persistent_term:erase(K) || {K, _} <- pget(Chk)], ok. chk_not_stuck(Term) -> @@ -612,3 +627,72 @@ chk_not_stuck(Term) -> _ -> ok end. + +pget({_, Initial}) -> + persistent_term:get() -- Initial. + + +killed_while_trapping_put(_Config) -> + erts_debug:set_internal_state(available_internal_state, true), + repeat( + fun() -> + NrOfPutsInChild = 10000, + do_puts(2500, my_value), + Pid = + spawn(fun() -> + do_puts(NrOfPutsInChild, my_value2) + end), + timer:sleep(1), + erlang:exit(Pid, kill), + do_erases(NrOfPutsInChild) + end, + 10), + erts_debug:set_internal_state(available_internal_state, false). + +killed_while_trapping_erase(_Config) -> + erts_debug:set_internal_state(available_internal_state, true), + repeat( + fun() -> + NrOfErases = 2500, + do_puts(NrOfErases, my_value), + Pid = + spawn(fun() -> + do_erases(NrOfErases) + end), + timer:sleep(1), + erlang:exit(Pid, kill), + do_erases(NrOfErases) + end, + 10), + erts_debug:set_internal_state(available_internal_state, false). + +put_erase_trapping(_Config) -> + NrOfItems = 5000, + erts_debug:set_internal_state(available_internal_state, true), + do_puts(NrOfItems, first), + do_puts(NrOfItems, second), + do_erases(NrOfItems), + erts_debug:set_internal_state(available_internal_state, false). + +do_puts(0, _) -> ok; +do_puts(NrOfPuts, ValuePrefix) -> + Key = {?MODULE, NrOfPuts}, + Value = {ValuePrefix, NrOfPuts}, + erts_debug:set_internal_state(reds_left, rand:uniform(250)), + persistent_term:put(Key, Value), + Value = persistent_term:get(Key), + do_puts(NrOfPuts - 1, ValuePrefix). + +do_erases(0) -> ok; +do_erases(NrOfErases) -> + Key = {?MODULE,NrOfErases}, + erts_debug:set_internal_state(reds_left, rand:uniform(500)), + persistent_term:erase(Key), + not_found = persistent_term:get(Key, not_found), + do_erases(NrOfErases - 1). + +repeat(_Fun, 0) -> + ok; +repeat(Fun, N) -> + Fun(), + repeat(Fun, N-1). |