diff options
Diffstat (limited to 'lib/stdlib/test/ets_SUITE.erl')
| -rw-r--r-- | lib/stdlib/test/ets_SUITE.erl | 80 |
1 files changed, 38 insertions, 42 deletions
diff --git a/lib/stdlib/test/ets_SUITE.erl b/lib/stdlib/test/ets_SUITE.erl index 1b80f555d7..3e63d19213 100644 --- a/lib/stdlib/test/ets_SUITE.erl +++ b/lib/stdlib/test/ets_SUITE.erl @@ -112,9 +112,8 @@ -define(m(A,B), ?line assert_eq(A,B)). init_per_testcase(Case, Config) -> - Seed = {S1,S2,S3} = random:seed0(), %now(), - random:seed(S1,S2,S3), - io:format("*** SEED: ~p ***\n", [Seed]), + rand:seed(exsplus), + io:format("*** SEED: ~p ***\n", [rand:export_seed()]), start_spawn_logger(), wait_for_test_procs(), %% Ensure previous case cleaned up Dog=test_server:timetrap(test_server:minutes(20)), @@ -1330,7 +1329,7 @@ drop_match() -> ets_match(Tab,Expr) -> - case random:uniform(2) of + case rand:uniform(2) of 1 -> ets:match(Tab,Expr); _ -> @@ -1339,14 +1338,14 @@ ets_match(Tab,Expr) -> match_chunked(Tab,Expr) -> match_chunked_collect(ets:match(Tab,Expr, - random:uniform(1999) + 1)). + rand:uniform(1999) + 1)). match_chunked_collect('$end_of_table') -> []; match_chunked_collect({Results, Continuation}) -> Results ++ match_chunked_collect(ets:match(Continuation)). ets_match_object(Tab,Expr) -> - case random:uniform(2) of + case rand:uniform(2) of 1 -> ets:match_object(Tab,Expr); _ -> @@ -1355,7 +1354,7 @@ ets_match_object(Tab,Expr) -> match_object_chunked(Tab,Expr) -> match_object_chunked_collect(ets:match_object(Tab,Expr, - random:uniform(1999) + 1)). + rand:uniform(1999) + 1)). match_object_chunked_collect('$end_of_table') -> []; match_object_chunked_collect({Results, Continuation}) -> @@ -1367,19 +1366,15 @@ 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:timestamp(), - 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]), + case file:consult(filename:join([ReadDir,"preset_random_seed.txt"])) of + {ok,[X]} -> + rand:seed(X); + _ -> + rand:seed(exsplus) + end, + Seed = rand:export_seed(), + {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 " @@ -1401,7 +1396,7 @@ do_random_test() -> end, 5000), ?line io:format("~nData inserted~n"), ?line do_n_times(fun() -> - ?line I = random:uniform(25), + I = rand:uniform(25), ?line Key = create_random_string(I) ++ '_', ?line L1 = ets_match_object(OrdSet,{Key,'_'}), ?line L2 = lists:sort(ets_match_object(Set,{Key,'_'})), @@ -1961,7 +1956,7 @@ evil_update_counter(Config) when is_list(Config) -> gb_sets:module_info(), math:module_info(), ordsets:module_info(), - random:module_info(), + rand:module_info(), repeat_for_opts(evil_update_counter_do). @@ -1995,7 +1990,7 @@ evil_counter(I,Opts) -> 1 -> 16#12345678FFFFFFFF; 2 -> 16#7777777777FFFFFFFF863648726743 end, - Start = Start0 + random:uniform(100000), + Start = Start0 + rand:uniform(100000), ets:insert(T, {dracula,Start}), Iter = 40000, End = Start + Iter, @@ -4645,11 +4640,11 @@ create_random_string(0) -> []; create_random_string(OfLength) -> - C = case random:uniform(2) of + C = case rand:uniform(2) of 1 -> - (random:uniform($Z - $A + 1) - 1) + $A; + (rand:uniform($Z - $A + 1) - 1) + $A; _ -> - (random:uniform($z - $a + 1) - 1) + $a + (rand:uniform($z - $a + 1) - 1) + $a end, [C | create_random_string(OfLength - 1)]. @@ -4660,7 +4655,7 @@ create_random_tuple(OfLength) -> end,create_random_string(OfLength))). create_partly_bound_tuple(OfLength) -> - case random:uniform(2) of + case rand:uniform(2) of 1 -> create_partly_bound_tuple1(OfLength); _ -> @@ -4669,14 +4664,14 @@ create_partly_bound_tuple(OfLength) -> create_partly_bound_tuple1(OfLength) -> T0 = create_random_tuple(OfLength), - I = random:uniform(OfLength), + I = rand: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), + I = rand:uniform(OfLength), What = GenFun(I), case element(I,T0) of What -> @@ -4690,12 +4685,12 @@ 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), + I = rand: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), + I = rand:uniform(OfLength - 1), set_n_random_elements(T0,I,OfLength,fun(_) -> '_' end). do_n_times(_,0) -> @@ -5058,11 +5053,12 @@ meta_wb_do(Opts) -> 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) + (N,Tabs,Me) -> + Name1 = lists:nth(rand:uniform(Len), Names), + Name2 = lists:nth(rand:uniform(Len), Names), + Op = element(rand:uniform(3),OpFuns), + NTabs = Op(Name1, Name2, Tabs, Opts), + Me(N-1, NTabs, Me) end, F(Len*100, [], F), @@ -5328,7 +5324,7 @@ 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)}) + ExecF = fun(_) -> true = ets:insert(smp_insert,{rand:uniform(10000)}) end, FiniF = fun(_) -> ok end, run_workers(InitF,ExecF,FiniF,100000), @@ -5579,10 +5575,10 @@ smp_select_delete(Config) when is_list(Config) -> Zeros = erlang:make_tuple(Mod,0), InitF = fun(_) -> Zeros end, ExecF = fun(Diffs0) -> - case random:uniform(20) of + case rand:uniform(20) of 1 -> Mod = 17, - Eq = random:uniform(Mod) - 1, + Eq = rand:uniform(Mod) - 1, Deleted = ets:select_delete(T, [{{'_', '$1'}, [{'=:=', {'rem', '$1', Mod}, Eq}], @@ -5591,7 +5587,7 @@ smp_select_delete(Config) when is_list(Config) -> element(Eq+1,Diffs0) - Deleted), Diffs1; _ -> - Key = random:uniform(10000), + Key = rand:uniform(10000), Eq = Key rem Mod, ?line case ets:insert_new(T,{Key,Key}) of true -> @@ -5795,7 +5791,7 @@ run_workers_do(InitF,ExecF,FiniF,Laps, Exclude) -> N when (N > Exclude) -> N - Exclude end, io:format("smp starting ~p workers\n",[NumOfProcs]), - Seeds = [{ProcN,random:uniform(9999)} || ProcN <- lists:seq(1,NumOfProcs)], + Seeds = [{ProcN,rand:uniform(9999)} || ProcN <- lists:seq(1,NumOfProcs)], Parent = self(), Pids = [my_spawn_link(fun()-> worker(Seed,InitF,ExecF,FiniF,Laps,Parent,NumOfProcs) end) || Seed <- Seeds], @@ -5806,7 +5802,7 @@ run_workers_do(InitF,ExecF,FiniF,Laps, Exclude) -> worker({ProcN,Seed}, InitF, ExecF, FiniF, Laps, Parent, NumOfProcs) -> io:format("smp worker ~p, seed=~p~n",[self(),Seed]), - random:seed(Seed,Seed,Seed), + rand:seed(exsplus, {Seed,Seed,Seed}), State1 = InitF([ProcN, NumOfProcs]), State2 = worker_loop(Laps, ExecF, State1), Result = FiniF(State2), |