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-rw-r--r--lib/stdlib/src/otp_internal.erl6
-rw-r--r--lib/stdlib/src/random.erl1
-rw-r--r--lib/stdlib/test/base64_SUITE.erl2
-rw-r--r--lib/stdlib/test/binary_module_SUITE.erl34
-rw-r--r--lib/stdlib/test/dict_SUITE.erl16
-rw-r--r--lib/stdlib/test/ets_SUITE.erl80
-rw-r--r--lib/stdlib/test/ets_tough_SUITE.erl10
-rw-r--r--lib/stdlib/test/filelib_SUITE.erl2
-rw-r--r--lib/stdlib/test/lists_SUITE.erl22
-rw-r--r--lib/stdlib/test/queue_SUITE.erl10
-rw-r--r--lib/stdlib/test/random_iolist.erl16
-rw-r--r--lib/stdlib/test/random_unicode_list.erl18
-rw-r--r--lib/stdlib/test/run_pcre_tests.erl10
-rw-r--r--lib/stdlib/test/select_SUITE.erl21
-rw-r--r--lib/stdlib/test/sets_SUITE.erl22
-rw-r--r--lib/stdlib/test/timer_SUITE.erl24
16 files changed, 141 insertions, 153 deletions
diff --git a/lib/stdlib/src/otp_internal.erl b/lib/stdlib/src/otp_internal.erl
index 90ef364d1a..166eb3cef2 100644
--- a/lib/stdlib/src/otp_internal.erl
+++ b/lib/stdlib/src/otp_internal.erl
@@ -639,6 +639,12 @@ obsolete_1(httpd_conf, is_file, 1) ->
obsolete_1(httpd_conf, make_integer, 1) ->
{deprecated, "deprecated; use erlang:list_to_integer/1 instead"};
+%% Added in OTP 19.
+
+obsolete_1(random, _, _) ->
+ {deprecated, "the 'random' module is deprecated; "
+ "use the 'rand' module instead"};
+
obsolete_1(_, _, _) ->
no.
diff --git a/lib/stdlib/src/random.erl b/lib/stdlib/src/random.erl
index 8b67cde56c..8b639dd0a7 100644
--- a/lib/stdlib/src/random.erl
+++ b/lib/stdlib/src/random.erl
@@ -18,6 +18,7 @@
%% %CopyrightEnd%
%%
-module(random).
+-deprecated(module).
%% Reasonable random number generator.
%% The method is attributed to B. A. Wichmann and I. D. Hill
diff --git a/lib/stdlib/test/base64_SUITE.erl b/lib/stdlib/test/base64_SUITE.erl
index 75eebba6c6..f750145ef0 100644
--- a/lib/stdlib/test/base64_SUITE.erl
+++ b/lib/stdlib/test/base64_SUITE.erl
@@ -340,7 +340,7 @@ interleaved_ws_roundtrip_1([], Base64List, Bin, List) ->
random_byte_list(0, Acc) ->
Acc;
random_byte_list(N, Acc) ->
- random_byte_list(N-1, [random:uniform(255)|Acc]).
+ random_byte_list(N-1, [rand:uniform(255)|Acc]).
make_big_binary(N) ->
list_to_binary(mbb(N, [])).
diff --git a/lib/stdlib/test/binary_module_SUITE.erl b/lib/stdlib/test/binary_module_SUITE.erl
index 933c3ce5a9..8a2df2bf85 100644
--- a/lib/stdlib/test/binary_module_SUITE.erl
+++ b/lib/stdlib/test/binary_module_SUITE.erl
@@ -716,7 +716,7 @@ do_interesting(Module) ->
encode_decode(doc) ->
["test binary:encode_unsigned/1,2 and binary:decode_unsigned/1,2"];
encode_decode(Config) when is_list(Config) ->
- ?line random:seed({1271,769940,559934}),
+ rand:seed(exsplus, {1271,769940,559934}),
?line ok = encode_decode_loop({1,200},1000), % Need to be long enough
% to create offheap binaries
ok.
@@ -823,7 +823,7 @@ copy(Config) when is_list(Config) ->
?line badarg = ?MASK_ERROR(binary:copy(<<1,2,3>>,
16#FFFFFFFFFFFFFFFFFFFFFFFFFFFFFF)),
?line <<>> = binary:copy(<<>>,10000),
- ?line random:seed({1271,769940,559934}),
+ rand:seed(exsplus, {1271,769940,559934}),
?line ok = random_copy(3000),
?line erts_debug:set_internal_state(available_internal_state,true),
?line io:format("oldlimit: ~p~n",
@@ -861,7 +861,7 @@ random_copy(0) ->
ok;
random_copy(N) ->
Str = random_string({0,N}),
- Num = random:uniform(N div 10+1),
+ Num = rand:uniform(N div 10+1),
A = ?MASK_ERROR(binary:copy(Str,Num)),
B = ?MASK_ERROR(binref:copy(Str,Num)),
C = ?MASK_ERROR(binary:copy(make_unaligned(Str),Num)),
@@ -902,7 +902,7 @@ bin_to_list(Config) when is_list(Config) ->
?line [5] = lists:nthtail(byte_size(X)-1,LX),
?line [0,5] = lists:nthtail(byte_size(X)-2,LX),
?line [0,5] = lists:nthtail(byte_size(Y)-2,LY),
- ?line random:seed({1271,769940,559934}),
+ rand:seed(exsplus, {1271,769940,559934}),
?line ok = random_bin_to_list(5000),
ok.
@@ -969,7 +969,7 @@ parts(Config) when is_list(Config) ->
?line badarg = ?MASK_ERROR(binary:part(Simple,{-1,0})),
?line badarg = ?MASK_ERROR(binary:part(Simple,{7,2})),
?line <<8>> = binary:part(Simple,{7,1}),
- ?line random:seed({1271,769940,559934}),
+ rand:seed(exsplus, {1271,769940,559934}),
?line random_parts(5000),
ok.
@@ -993,15 +993,15 @@ random_parts(N) ->
random_parts(0,_) ->
[];
random_parts(X,N) ->
- Pos = random:uniform(N),
- Len = random:uniform((Pos * 12) div 10),
+ Pos = rand:uniform(N),
+ Len = rand:uniform((Pos * 12) div 10),
[{Pos,Len} | random_parts(X-1,N)].
random_ref_comp(doc) ->
["Test pseudorandomly generated cases against reference imlementation"];
random_ref_comp(Config) when is_list(Config) ->
put(success_counter,0),
- random:seed({1271,769940,559934}),
+ rand:seed(exsplus, {1271,769940,559934}),
Nr = {1,40},
Hr = {30,1000},
I1 = 1500,
@@ -1031,7 +1031,7 @@ random_ref_sr_comp(doc) ->
["Test pseudorandomly generated cases against reference imlementation of split and replace"];
random_ref_sr_comp(Config) when is_list(Config) ->
put(success_counter,0),
- random:seed({1271,769940,559934}),
+ rand:seed(exsplus, {1271,769940,559934}),
Nr = {1,40},
Hr = {30,1000},
I1 = 1500,
@@ -1049,7 +1049,7 @@ random_ref_fla_comp(doc) ->
["Test pseudorandomly generated cases against reference imlementation of split and replace"];
random_ref_fla_comp(Config) when is_list(Config) ->
?line put(success_counter,0),
- ?line random:seed({1271,769940,559934}),
+ rand:seed(exsplus, {1271,769940,559934}),
?line do_random_first_comp(5000,{1,1000}),
?line do_random_last_comp(5000,{1,1000}),
?line do_random_at_comp(5000,{1,1000}),
@@ -1383,24 +1383,24 @@ one_random(N) ->
random_number({Min,Max}) -> % Min and Max are *length* of number in
% decimal positions
- X = random:uniform(Max - Min + 1) + Min - 1,
- list_to_integer([one_random_number(random:uniform(10)) || _ <- lists:seq(1,X)]).
+ X = rand:uniform(Max - Min + 1) + Min - 1,
+ list_to_integer([one_random_number(rand:uniform(10)) || _ <- lists:seq(1,X)]).
random_length({Min,Max}) ->
- random:uniform(Max - Min + 1) + Min - 1.
+ rand:uniform(Max - Min + 1) + Min - 1.
random_string({Min,Max}) ->
- X = random:uniform(Max - Min + 1) + Min - 1,
- list_to_binary([one_random(random:uniform(68)) || _ <- lists:seq(1,X)]).
+ X = rand:uniform(Max - Min + 1) + Min - 1,
+ list_to_binary([one_random(rand:uniform(68)) || _ <- lists:seq(1,X)]).
random_substring({Min,Max},Hay) ->
- X = random:uniform(Max - Min + 1) + Min - 1,
+ X = rand:uniform(Max - Min + 1) + Min - 1,
Y = byte_size(Hay),
Z = if
X > Y -> Y;
true -> X
end,
PMax = Y - Z,
- Pos = random:uniform(PMax + 1) - 1,
+ Pos = rand:uniform(PMax + 1) - 1,
<<_:Pos/binary,Res:Z/binary,_/binary>> = Hay,
Res.
diff --git a/lib/stdlib/test/dict_SUITE.erl b/lib/stdlib/test/dict_SUITE.erl
index 648154ebbe..aff73b176d 100644
--- a/lib/stdlib/test/dict_SUITE.erl
+++ b/lib/stdlib/test/dict_SUITE.erl
@@ -108,7 +108,7 @@ iterate_1(M) ->
M(empty, []).
iterate_2(M) ->
- random:seed(1, 2, 42),
+ rand:seed(exsplus, {1,2,42}),
iter_tree(M, 1000).
iter_tree(_M, 0) ->
@@ -117,7 +117,7 @@ iter_tree(M, N) ->
L = [{I, I} || I <- lists:seq(1, N)],
T = M(from_list, L),
L = lists:reverse(iterate_tree(M, T)),
- R = random:uniform(N),
+ R = rand:uniform(N),
KV = lists:reverse(iterate_tree_from(M, R, T)),
KV = [P || P={K,_} <- L, K >= R],
iter_tree(M, N-1).
@@ -156,7 +156,7 @@ test_all(Tester) ->
spawn_tester(M, Tester) ->
Parent = self(),
spawn_link(fun() ->
- random:seed(1, 2, 42),
+ rand:seed(exsplus, {1,2,42}),
S = Tester(M),
Res = {M(size, S),lists:sort(M(to_list, S))},
Parent ! {result,self(),Res}
@@ -194,12 +194,12 @@ rnd_list_1(0, Acc) ->
Acc;
rnd_list_1(N, Acc) ->
Key = atomic_rnd_term(),
- Value = random:uniform(100),
+ Value = rand:uniform(100),
rnd_list_1(N-1, [{Key,Value}|Acc]).
atomic_rnd_term() ->
- case random:uniform(3) of
- 1 -> list_to_atom(integer_to_list($\s+random:uniform(94))++"rnd");
- 2 -> random:uniform();
- 3 -> random:uniform(50)-37
+ case rand:uniform(3) of
+ 1 -> list_to_atom(integer_to_list($\s+rand:uniform(94))++"rnd");
+ 2 -> rand:uniform();
+ 3 -> rand:uniform(50)-37
end.
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),
diff --git a/lib/stdlib/test/ets_tough_SUITE.erl b/lib/stdlib/test/ets_tough_SUITE.erl
index c6f24fc670..8a7f2b1ec2 100644
--- a/lib/stdlib/test/ets_tough_SUITE.erl
+++ b/lib/stdlib/test/ets_tough_SUITE.erl
@@ -92,7 +92,7 @@ ex1_sub(Config) ->
ok.
prep(Config) ->
- random:seed(),
+ rand:seed(exsplus),
put(dump_ticket,none),
DumpDir = filename:join(?config(priv_dir,Config), "ets_tough"),
file:make_dir(DumpDir),
@@ -221,19 +221,19 @@ random_class() ->
random_element(Classes).
random_key() ->
- random:uniform(8).
+ rand:uniform(8).
random_value() ->
- case random:uniform(5) of
+ case rand:uniform(5) of
1 -> ok;
2 -> {data,random_key()};
3 -> {foo,bar,random_class()};
- 4 -> random:uniform(1000);
+ 4 -> rand:uniform(1000);
5 -> {recursive,random_value()}
end.
random_element(T) ->
- I = random:uniform(tuple_size(T)),
+ I = rand:uniform(tuple_size(T)),
element(I,T).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
diff --git a/lib/stdlib/test/filelib_SUITE.erl b/lib/stdlib/test/filelib_SUITE.erl
index 01b798faef..c39ff842ee 100644
--- a/lib/stdlib/test/filelib_SUITE.erl
+++ b/lib/stdlib/test/filelib_SUITE.erl
@@ -318,7 +318,7 @@ same_lists(Expected0, Actual0, BaseDir) ->
mkfiles([H|T], Dir) ->
Name = filename:join(Dir, H),
- Garbage = [31+random:uniform(95) || _ <- lists:seq(1, random:uniform(1024))],
+ Garbage = [31+rand:uniform(95) || _ <- lists:seq(1, rand:uniform(1024))],
file:write_file(Name, Garbage),
[Name|mkfiles(T, Dir)];
mkfiles([], _) -> [].
diff --git a/lib/stdlib/test/lists_SUITE.erl b/lib/stdlib/test/lists_SUITE.erl
index a0f7fd2744..bd68c93779 100644
--- a/lib/stdlib/test/lists_SUITE.erl
+++ b/lib/stdlib/test/lists_SUITE.erl
@@ -1677,8 +1677,7 @@ check_stab(L, U, S, US, SS) ->
%%% Element 3 in the tuple is the position of the tuple in the list.
biglist(N) ->
- {A, B, C} = get_seed(),
- random:seed(A, B, C),
+ rand:seed(exsplus),
biglist(N, []).
biglist(0, L) ->
@@ -1694,8 +1693,7 @@ biglist(N, L) ->
%%% No sequence number.
ubiglist(N) ->
- {A, B, C} = get_seed(),
- random:seed(A, B, C),
+ rand:seed(exsplus),
ubiglist(N, []).
ubiglist(0, L) ->
@@ -1719,8 +1717,7 @@ urandom_tuple(N, I) ->
%%% sequence number.
bigfunlist(N) ->
- {A, B, C} = get_seed(),
- random:seed(A, B, C),
+ rand:seed(exsplus),
bigfunlist_1(N).
bigfunlist_1(N) when N < 30000 -> % Now (R8) max 32000 different pids.
@@ -1754,21 +1751,13 @@ make_fun(Pid) ->
fun_pid(Fun) ->
erlang:fun_info(Fun, pid).
-get_seed() ->
- case random:seed() of
- undefined ->
- erlang:timestamp();
- Tuple ->
- Tuple
- end.
-
random_tuple(N, Seq) ->
R1 = randint(N),
R2 = randint(N),
{R1, R2, Seq}.
randint(N) ->
- trunc(random:uniform() * N).
+ trunc(rand:uniform() * N).
%% The first "duplicate" is kept.
no_dups([]) ->
@@ -1830,8 +1819,7 @@ sort_loop_1(Pid) ->
end.
sloop(N) ->
- {A, B, C} = get_seed(),
- random:seed(A, B, C),
+ rand:seed(exsplus),
sloop(N, #state{}).
sloop(N, S) ->
diff --git a/lib/stdlib/test/queue_SUITE.erl b/lib/stdlib/test/queue_SUITE.erl
index c965a8b218..5165ac3a3a 100644
--- a/lib/stdlib/test/queue_SUITE.erl
+++ b/lib/stdlib/test/queue_SUITE.erl
@@ -470,7 +470,7 @@ oops(suite) ->
oops(Config) when is_list(Config) ->
?line N = 3142,
?line Optab = optab(),
- ?line Seed0 = random:seed0(),
+ ?line Seed0 = rand:seed(exsplus, {1,2,4}),
?line {Is,Seed} = random_list(N, tuple_size(Optab), Seed0, []),
?line io:format("~p ", [Is]),
?line QA = queue:new(),
@@ -562,20 +562,20 @@ args([], _, Seed, R) ->
args([q|Ts], [Q|Qs]=Qss, Seed, R) ->
args(Ts, if Qs =:= [] -> Qss; true -> Qs end, Seed, [Q|R]);
args([l|Ts], Qs, Seed0, R) ->
- {N,Seed1} = random:uniform_s(17, Seed0),
+ {N,Seed1} = rand:uniform_s(17, Seed0),
{L,Seed} = random_list(N, 4711, Seed1, []),
args(Ts, Qs, Seed, [L|R]);
args([t|Ts], Qs, Seed0, R) ->
- {T,Seed} = random:uniform_s(4711, Seed0),
+ {T,Seed} = rand:uniform_s(4711, Seed0),
args(Ts, Qs, Seed, [T|R]);
args([n|Ts], Qs, Seed0, R) ->
- {N,Seed} = random:uniform_s(17, Seed0),
+ {N,Seed} = rand:uniform_s(17, Seed0),
args(Ts, Qs, Seed, [N|R]).
random_list(0, _, Seed, R) ->
{R,Seed};
random_list(N, M, Seed0, R) ->
- {X,Seed} = random:uniform_s(M, Seed0),
+ {X,Seed} = rand:uniform_s(M, Seed0),
random_list(N-1, M, Seed, [X|R]).
call(Func, As) ->
diff --git a/lib/stdlib/test/random_iolist.erl b/lib/stdlib/test/random_iolist.erl
index 9a0f034e72..6da7da04de 100644
--- a/lib/stdlib/test/random_iolist.erl
+++ b/lib/stdlib/test/random_iolist.erl
@@ -36,7 +36,7 @@ run2(Iter,Fun1,Fun2) ->
compare2(Iter,Fun1,Fun2).
random_byte() ->
- random:uniform(256) - 1.
+ rand:uniform(256) - 1.
random_list(0,Acc) ->
Acc;
@@ -45,7 +45,7 @@ random_list(N,Acc) ->
random_binary(N) ->
B = list_to_binary(random_list(N,[])),
- case {random:uniform(2),size(B)} of
+ case {rand:uniform(2),size(B)} of
{2,M} when M > 1 ->
S = M-1,
<<_:3,C:S/binary,_:5>> = B,
@@ -57,7 +57,7 @@ random_list(N) ->
random_list(N,[]).
front() ->
- case random:uniform(10) of
+ case rand:uniform(10) of
10 ->
false;
_ ->
@@ -65,7 +65,7 @@ front() ->
end.
any_type() ->
- case random:uniform(10) of
+ case rand:uniform(10) of
1 ->
list;
2 ->
@@ -77,7 +77,7 @@ any_type() ->
end.
tail_type() ->
- case random:uniform(5) of
+ case rand:uniform(5) of
1 ->
list;
2 ->
@@ -90,9 +90,9 @@ random_length(N) ->
UpperLimit = 255,
case N of
M when M > UpperLimit ->
- random:uniform(UpperLimit+1) - 1;
+ rand:uniform(UpperLimit+1) - 1;
_ ->
- random:uniform(N+1) - 1
+ rand:uniform(N+1) - 1
end.
random_iolist(0,Acc) ->
@@ -139,7 +139,7 @@ random_iolist(N) ->
standard_seed() ->
- random:seed(1201,855653,380975).
+ rand:seed(exsplus, {1201,855653,380975}).
do_comp(List,F1,F2) ->
X = F1(List),
diff --git a/lib/stdlib/test/random_unicode_list.erl b/lib/stdlib/test/random_unicode_list.erl
index ecafe42318..3bc86a8430 100644
--- a/lib/stdlib/test/random_unicode_list.erl
+++ b/lib/stdlib/test/random_unicode_list.erl
@@ -85,7 +85,7 @@ int_to_utf32_little(I) ->
id(I) -> I.
random_char() ->
- case random:uniform(16#10FFFF+1) - 1 of
+ case rand:uniform(16#10FFFF+1) - 1 of
X when X >= 16#D800,
X =< 16#DFFF ->
random_char();
@@ -116,13 +116,13 @@ random_binary(N,Enc) ->
int_to(Enc,X)
end,
L)),
- case {random:uniform(3),size(B)} of
+ case {rand:uniform(3),size(B)} of
{2,M} when M > 1 ->
B2 = id(<<1:3,B/binary,1:5>>),
<<_:3,C:M/binary,_:5>> = B2,
C;
{3,M} when M > 1 ->
- X = random:uniform(M+1)-1,
+ X = rand:uniform(M+1)-1,
<<B1:X/binary,B2/binary>> = B,
[B1,B2];
_ ->
@@ -132,7 +132,7 @@ random_list(N) ->
random_list(N,[]).
front() ->
- case random:uniform(10) of
+ case rand:uniform(10) of
10 ->
false;
_ ->
@@ -140,7 +140,7 @@ front() ->
end.
any_type() ->
- case random:uniform(10) of
+ case rand:uniform(10) of
1 ->
list;
2 ->
@@ -152,7 +152,7 @@ any_type() ->
end.
tail_type() ->
- case random:uniform(5) of
+ case rand:uniform(5) of
1 ->
list;
2 ->
@@ -165,9 +165,9 @@ random_length(N) ->
UpperLimit = 255,
case N of
M when M > UpperLimit ->
- random:uniform(UpperLimit+1) - 1;
+ rand:uniform(UpperLimit+1) - 1;
_ ->
- random:uniform(N+1) - 1
+ rand:uniform(N+1) - 1
end.
random_unicode_list(0,Acc,_Enc) ->
@@ -214,7 +214,7 @@ random_unicode_list(N,Enc) ->
standard_seed() ->
- random:seed(1201,855653,380975).
+ rand:seed(exsplus, {1201,855653,380975}).
do_comp(List,F1,F2) ->
X = F1(List),
diff --git a/lib/stdlib/test/run_pcre_tests.erl b/lib/stdlib/test/run_pcre_tests.erl
index 1fdc777470..b7d1df39b8 100644
--- a/lib/stdlib/test/run_pcre_tests.erl
+++ b/lib/stdlib/test/run_pcre_tests.erl
@@ -1083,7 +1083,7 @@ dumponesplit(F,{RE,Line,O,TS}) ->
%% Generate replacement tests from indatafile,
%% you will need perl on the machine
gen_repl_test(OneFile) ->
- random:seed(1219,687731,62804),
+ rand:seed(exsplus, {1219,687731,62804}),
{ok,Bin} = file:read_file(OneFile),
Lines = splitfile(0,Bin,1),
Structured = stru(Lines),
@@ -1237,15 +1237,15 @@ btr(_) ->
ranchar() ->
- case random:uniform(10) of
+ case rand:uniform(10) of
9 -> $&;
10 -> <<"\\1">>;
N when N < 5 ->
- random:uniform($Z-$A)+$A-1;
+ rand:uniform($Z-$A)+$A-1;
M when M < 9 ->
- random:uniform($z-$a)+$a-1
+ rand:uniform($z-$a)+$a-1
end.
ranstring() ->
- iolist_to_binary([ranchar() || _ <- lists:duplicate(random:uniform(20),0) ]).
+ iolist_to_binary([ranchar() || _ <- lists:duplicate(rand:uniform(20),0) ]).
diff --git a/lib/stdlib/test/select_SUITE.erl b/lib/stdlib/test/select_SUITE.erl
index ead64ffc75..6796676179 100644
--- a/lib/stdlib/test/select_SUITE.erl
+++ b/lib/stdlib/test/select_SUITE.erl
@@ -212,11 +212,10 @@ init_random(Config) ->
{ok,[X]} ->
X;
_ ->
- {A,B,C} = erlang:timestamp(),
- random:seed(A,B,C),
- get(random_seed)
+ rand:seed(exsplus),
+ rand:export_seed()
end,
- put(random_seed,Seed),
+ rand:seed(Seed),
{ok, F} = file:open(filename:join([WriteDir, "last_random_seed2.txt"]),
[write]),
io:format(F,"~p. ~n",[Seed]),
@@ -224,11 +223,11 @@ init_random(Config) ->
ok.
create_random_key(N,Type) ->
- gen_key(random:uniform(N),Type).
+ gen_key(rand:uniform(N),Type).
create_pb_key(N,list) ->
- X = random:uniform(N),
- case random:uniform(4) of
+ X = rand:uniform(N),
+ case rand:uniform(4) of
3 -> {[X, X+1, '_'], fun([Z,Z1,P1]) ->
[Z,Z1,P1] =:= [X,X+1,P1] end};
2 -> {[X, '_', '_'], fun([Z,P1,P2]) -> [Z,P1,P2] =:= [X,P1,P2] end};
@@ -237,14 +236,14 @@ create_pb_key(N,list) ->
_ -> {[X, '$1', '$2'], fun([Z,P1,P2]) -> [Z,P1,P2] =:= [X,P1,P2] end}
end;
create_pb_key(N, tuple) ->
- X = random:uniform(N),
- case random:uniform(2) of
+ X = rand:uniform(N),
+ case rand:uniform(2) of
1 -> {{X, X+1, '$1'},fun({Z,Z1,P1}) -> {Z,Z1,P1} =:= {X,X+1,P1} end};
_ -> {{X, '$1', '$2'},fun({Z,P1,P2}) -> {Z,P1,P2} =:= {X,P1,P2} end}
end;
create_pb_key(N, complex) ->
- X = random:uniform(N),
- case random:uniform(2) of
+ X = rand:uniform(N),
+ case rand:uniform(2) of
1 -> {{[X, X+1], '$1'}, fun({[Z,Z1],P1}) ->
{[Z,Z1],P1} =:= {[X,X+1],P1} end};
_ -> {{[X, '$1'], '$2'},fun({[Z,P1],P2}) ->
diff --git a/lib/stdlib/test/sets_SUITE.erl b/lib/stdlib/test/sets_SUITE.erl
index 972a812072..e7fc5595a9 100644
--- a/lib/stdlib/test/sets_SUITE.erl
+++ b/lib/stdlib/test/sets_SUITE.erl
@@ -107,9 +107,9 @@ add_element_del([H|T], M, S, Del, []) ->
add_element_del(T, M, M(add_element, {H,S}), Del, [H]);
add_element_del([H|T], M, S0, Del, Inserted) ->
S1 = M(add_element, {H,S0}),
- case random:uniform(3) of
+ case rand:uniform(3) of
1 ->
- OldEl = lists:nth(random:uniform(length(Inserted)), Inserted),
+ OldEl = lists:nth(rand:uniform(length(Inserted)), Inserted),
S = M(del_element, {OldEl,S1}),
add_element_del(T, M, S, [OldEl|Del], [H|Inserted]);
_ ->
@@ -438,7 +438,7 @@ iterate_1(M) ->
M(empty, []).
iterate_2(M) ->
- random:seed(1, 2, 42),
+ rand:seed(exsplus, {1,2,42}),
iter_set(M, 1000).
iter_set(_M, 0) ->
@@ -447,7 +447,7 @@ iter_set(M, N) ->
L = [I || I <- lists:seq(1, N)],
T = M(from_list, L),
L = lists:reverse(iterate_set(M, T)),
- R = random:uniform(N),
+ R = rand:uniform(N),
S = lists:reverse(iterate_set(M, R, T)),
S = [E || E <- L, E >= R],
iter_set(M, N-1).
@@ -481,7 +481,7 @@ sets_mods() ->
test_all(Tester) ->
Res = [begin
- random:seed(1, 2, 42),
+ rand:seed(exsplus, {1,2,42}),
S = Tester(M),
{M(size, S),lists:sort(M(to_list, S))}
end || M <- sets_mods()],
@@ -492,7 +492,7 @@ test_all([{Low,High}|T], Tester) ->
test_all([Sz|T], Tester) when is_integer(Sz) ->
List = rnd_list(Sz),
Res = [begin
- random:seed(19, 2, Sz),
+ rand:seed(exsplus, {19,2,Sz}),
S = Tester(List, M),
{M(size, S),lists:sort(M(to_list, S))}
end || M <- sets_mods()],
@@ -512,10 +512,10 @@ rnd_list(Sz) ->
rnd_list_1(Sz, []).
atomic_rnd_term() ->
- case random:uniform(3) of
- 1 -> list_to_atom(integer_to_list($\s+random:uniform(94))++"rnd");
- 2 -> random:uniform();
- 3 -> random:uniform(50)-37
+ case rand:uniform(3) of
+ 1 -> list_to_atom(integer_to_list($\s+rand:uniform(94))++"rnd");
+ 2 -> rand:uniform();
+ 3 -> rand:uniform(50)-37
end.
rnd_list_1(0, Acc) -> Acc;
@@ -543,7 +543,7 @@ remove_some(List0, P) ->
end.
remove_some([H|T], P, Acc) ->
- case random:uniform() of
+ case rand:uniform() of
F when F < P -> %Remove.
remove_some(T, P, Acc);
_ ->
diff --git a/lib/stdlib/test/timer_SUITE.erl b/lib/stdlib/test/timer_SUITE.erl
index 057d82fb65..10dcfad76f 100644
--- a/lib/stdlib/test/timer_SUITE.erl
+++ b/lib/stdlib/test/timer_SUITE.erl
@@ -80,8 +80,6 @@ report_result(Error) -> ?line test_server:fail(Error).
big_test(N) ->
C = start_collect(),
system_time(), system_time(), system_time(),
- random:seed(erlang:timestamp()),
- random:uniform(100),random:uniform(100),random:uniform(100),
big_loop(C, N, []),
@@ -127,17 +125,17 @@ big_loop(C, N, Pids) ->
after 0 ->
%% maybe start an interval timer test
- Pids1 = maybe_start_i_test(Pids, C, random:uniform(4)),
+ Pids1 = maybe_start_i_test(Pids, C, rand:uniform(4)),
%% start 1-4 "after" tests
- Pids2 = start_after_test(Pids1, C, random:uniform(4)),
+ Pids2 = start_after_test(Pids1, C, rand:uniform(4)),
%%Pids2=Pids1,
%% wait a little while
- timer:sleep(random:uniform(200)*3),
+ timer:sleep(rand:uniform(200)*3),
%% spawn zero, one or two nrev to get some load ;-/
- Pids3 = start_nrev(Pids2, random:uniform(100)),
+ Pids3 = start_nrev(Pids2, rand:uniform(100)),
big_loop(C, N-1, Pids3)
end.
@@ -148,20 +146,20 @@ start_nrev(Pids, N) when N < 25 ->
start_nrev(Pids, N) when N < 75 ->
[spawn_link(timer_SUITE, do_nrev, [1])|Pids];
start_nrev(Pids, _N) ->
- NrevPid1 = spawn_link(timer_SUITE, do_nrev, [random:uniform(1000)*10]),
+ NrevPid1 = spawn_link(timer_SUITE, do_nrev, [rand:uniform(1000)*10]),
NrevPid2 = spawn_link(timer_SUITE, do_nrev, [1]),
[NrevPid1,NrevPid2|Pids].
start_after_test(Pids, C, 1) ->
- TO1 = random:uniform(100)*47,
+ TO1 = rand:uniform(100)*47,
[s_a_t(C, TO1)|Pids];
start_after_test(Pids, C, 2) ->
- TO1 = random:uniform(100)*47,
- TO2 = TO1 div random:uniform(3) + 101,
+ TO1 = rand:uniform(100)*47,
+ TO2 = TO1 div rand:uniform(3) + 101,
[s_a_t(C, TO1),s_a_t(C, TO2)|Pids];
start_after_test(Pids, C, N) ->
- TO1 = random:uniform(100)*47,
+ TO1 = rand:uniform(100)*47,
start_after_test([s_a_t(C, TO1)|Pids], C, N-1).
s_a_t(C, TimeOut) ->
@@ -187,8 +185,8 @@ a_t(C, TimeOut) ->
maybe_start_i_test(Pids, C, 1) ->
%% ok do it
- TOI = random:uniform(53)*49,
- CountI = random:uniform(10) + 3, % at least 4 times
+ TOI = rand:uniform(53)*49,
+ CountI = rand:uniform(10) + 3, % at least 4 times
[spawn_link(timer_SUITE, i_t, [C, TOI, CountI])|Pids];
maybe_start_i_test(Pids, _C, _) ->
Pids.
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-16 04:51:02 +0000