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-rw-r--r--erts/emulator/test/Makefile1
-rw-r--r--erts/emulator/test/alloc_SUITE.erl15
-rw-r--r--erts/emulator/test/bif_SUITE.erl21
-rw-r--r--erts/emulator/test/binary_SUITE.erl39
-rw-r--r--erts/emulator/test/bs_bincomp_SUITE.erl2
-rw-r--r--erts/emulator/test/code_SUITE.erl82
-rw-r--r--erts/emulator/test/code_SUITE_data/literals.erl7
-rw-r--r--erts/emulator/test/decode_packet_SUITE.erl47
-rw-r--r--erts/emulator/test/driver_SUITE.erl53
-rw-r--r--erts/emulator/test/emulator.spec.ose2
-rw-r--r--erts/emulator/test/erts_debug_SUITE.erl45
-rw-r--r--erts/emulator/test/evil_SUITE.erl4
-rw-r--r--erts/emulator/test/float_SUITE.erl124
-rw-r--r--erts/emulator/test/float_SUITE_data/fp_drv.c1
-rw-r--r--erts/emulator/test/hash_SUITE.erl10
-rw-r--r--erts/emulator/test/map_SUITE.erl31
-rw-r--r--erts/emulator/test/message_queue_data_SUITE.erl239
-rw-r--r--erts/emulator/test/nif_SUITE.erl19
-rw-r--r--erts/emulator/test/op_SUITE.erl23
-rw-r--r--erts/emulator/test/port_SUITE.erl141
-rw-r--r--erts/emulator/test/port_SUITE_data/port_test.c35
-rw-r--r--erts/emulator/test/port_bif_SUITE.erl9
-rw-r--r--erts/emulator/test/process_SUITE.erl47
-rw-r--r--erts/emulator/test/random_iolist.erl16
-rw-r--r--erts/emulator/test/save_calls_SUITE.erl4
-rw-r--r--erts/emulator/test/system_info_SUITE.erl2
-rw-r--r--erts/emulator/test/system_profile_SUITE.erl2
-rw-r--r--erts/emulator/test/time_SUITE.erl36
-rw-r--r--erts/emulator/test/trace_SUITE.erl4
-rw-r--r--erts/emulator/test/z_SUITE.erl38
30 files changed, 875 insertions, 224 deletions
diff --git a/erts/emulator/test/Makefile b/erts/emulator/test/Makefile
index 77614d455c..8cc47937b7 100644
--- a/erts/emulator/test/Makefile
+++ b/erts/emulator/test/Makefile
@@ -79,6 +79,7 @@ MODULES= \
node_container_SUITE \
nofrag_SUITE \
num_bif_SUITE \
+ message_queue_data_SUITE \
op_SUITE \
port_SUITE \
port_bif_SUITE \
diff --git a/erts/emulator/test/alloc_SUITE.erl b/erts/emulator/test/alloc_SUITE.erl
index aa6a1fbcdc..516bc873a5 100644
--- a/erts/emulator/test/alloc_SUITE.erl
+++ b/erts/emulator/test/alloc_SUITE.erl
@@ -122,13 +122,10 @@ migration(Cfg) ->
end.
erts_mmap(Config) when is_list(Config) ->
- case {?t:os_type(), is_halfword_vm()} of
- {{unix, _}, false} ->
+ case ?t:os_type() of
+ {unix, _} ->
[erts_mmap_do(Config, SCO, SCRPM, SCRFSD)
|| SCO <-[true,false], SCRFSD <-[1234,0], SCRPM <- [true,false]];
-
- {_,true} ->
- {skipped, "No supercarrier support on halfword vm"};
{SkipOs,_} ->
?line {skipped,
lists:flatten(["Not run on "
@@ -387,13 +384,6 @@ stop_node(Node) when Node =:= node() -> ok;
stop_node(Node) ->
?t:stop_node(Node).
-is_halfword_vm() ->
- case {erlang:system_info({wordsize, internal}),
- erlang:system_info({wordsize, external})} of
- {4, 8} -> true;
- {WS, WS} -> false
- end.
-
free_memory() ->
%% Free memory in MB.
try
@@ -413,3 +403,4 @@ free_memory() ->
error : undef ->
?t:fail({"os_mon not built"})
end.
+
diff --git a/erts/emulator/test/bif_SUITE.erl b/erts/emulator/test/bif_SUITE.erl
index d6a771e7b9..ebc4db53c4 100644
--- a/erts/emulator/test/bif_SUITE.erl
+++ b/erts/emulator/test/bif_SUITE.erl
@@ -32,7 +32,8 @@
specs/1,improper_bif_stubs/1,auto_imports/1,
t_list_to_existing_atom/1,os_env/1,otp_7526/1,
binary_to_atom/1,binary_to_existing_atom/1,
- atom_to_binary/1,min_max/1, erlang_halt/1]).
+ atom_to_binary/1,min_max/1, erlang_halt/1,
+ is_builtin/1]).
suite() -> [{ct_hooks,[ts_install_cth]}].
@@ -42,7 +43,7 @@ all() ->
t_list_to_existing_atom, os_env, otp_7526,
display,
atom_to_binary, binary_to_atom, binary_to_existing_atom,
- min_max, erlang_halt].
+ min_max, erlang_halt, is_builtin].
groups() ->
[].
@@ -716,6 +717,22 @@ wait_until_stable_size(File,PrevSz) ->
wait_until_stable_size(File,NewSz)
end.
+is_builtin(_Config) ->
+ Exp0 = [{M,F,A} || {M,_} <- code:all_loaded(),
+ {F,A} <- M:module_info(exports)],
+ Exp = ordsets:from_list(Exp0),
+
+ %% erlang:apply/3 is considered to be built-in, but is not
+ %% implemented as other BIFs.
+
+ Builtins0 = [{erlang,apply,3}|erlang:system_info(snifs)],
+ Builtins = ordsets:from_list(Builtins0),
+ NotBuiltin = ordsets:subtract(Exp, Builtins),
+ _ = [true = erlang:is_builtin(M, F, A) || {M,F,A} <- Builtins],
+ _ = [false = erlang:is_builtin(M, F, A) || {M,F,A} <- NotBuiltin],
+
+ ok.
+
%% Helpers
diff --git a/erts/emulator/test/binary_SUITE.erl b/erts/emulator/test/binary_SUITE.erl
index 96ba2f64d4..f8f71efecc 100644
--- a/erts/emulator/test/binary_SUITE.erl
+++ b/erts/emulator/test/binary_SUITE.erl
@@ -521,30 +521,29 @@ external_size_1(Term, Size0, Limit) when Size0 < Limit ->
external_size_1(_, _, _) -> ok.
t_iolist_size(Config) when is_list(Config) ->
- ?line Seed = {erlang:monotonic_time(),
- erlang:time_offset(),
- erlang:unique_integer([positive])},
- ?line io:format("Seed: ~p", [Seed]),
- ?line random:seed(Seed),
- ?line Base = <<0:(1 bsl 20)/unit:8>>,
- ?line Powers = [1 bsl N || N <- lists:seq(2, 37)],
- ?line Sizes0 = [[N - random:uniform(N div 2),
- lists:seq(N-2, N+2),
- N+N div 2,
- N + random:uniform(N div 2)] ||
- N <- Powers],
+ _ = rand:uniform(), %Seed generator
+ io:format("Seed: ~p", [rand:export_seed()]),
+
+ Base = <<0:(1 bsl 20)/unit:8>>,
+ Powers = [1 bsl N || N <- lists:seq(2, 37)],
+ Sizes0 = [[N - rand:uniform(N div 2),
+ lists:seq(N-2, N+2),
+ N+N div 2,
+ N + rand:uniform(N div 2)] ||
+ N <- Powers],
+
%% Test sizes around 1^32 more thoroughly.
FourGigs = 1 bsl 32,
- ?line Sizes1 = [FourGigs+N || N <- lists:seq(-8, 40)] ++ Sizes0,
- ?line Sizes2 = lists:flatten(Sizes1),
- ?line Sizes = lists:usort(Sizes2),
+ Sizes1 = [FourGigs+N || N <- lists:seq(-8, 40)] ++ Sizes0,
+ Sizes2 = lists:flatten(Sizes1),
+ Sizes = lists:usort(Sizes2),
io:format("~p sizes:", [length(Sizes)]),
io:format("~p\n", [Sizes]),
- ?line [Sz = iolist_size(build_iolist(Sz, Base)) || Sz <- Sizes],
+ _ = [Sz = iolist_size(build_iolist(Sz, Base)) || Sz <- Sizes],
ok.
build_iolist(N, Base) when N < 16 ->
- case random:uniform(3) of
+ case rand:uniform(3) of
1 ->
<<Bin:N/binary,_/binary>> = Base,
Bin;
@@ -552,7 +551,7 @@ build_iolist(N, Base) when N < 16 ->
lists:seq(1, N)
end;
build_iolist(N, Base) when N =< byte_size(Base) ->
- case random:uniform(3) of
+ case rand:uniform(3) of
1 ->
<<Bin:N/binary,_/binary>> = Base,
Bin;
@@ -570,7 +569,7 @@ build_iolist(N, Base) when N =< byte_size(Base) ->
end
end;
build_iolist(N0, Base) ->
- Small = random:uniform(15),
+ Small = rand:uniform(15),
Seq = lists:seq(1, Small),
N = N0 - Small,
case N rem 2 of
@@ -1604,7 +1603,7 @@ bit_sized_binary(Bin0) ->
unaligned_sub_bin(Bin, 0) -> Bin;
unaligned_sub_bin(Bin0, Offs) ->
- F = random:uniform(256),
+ F = rand:uniform(256),
Roffs = 8-Offs,
Bin1 = <<F:Offs,Bin0/binary,F:Roffs>>,
Sz = size(Bin0),
diff --git a/erts/emulator/test/bs_bincomp_SUITE.erl b/erts/emulator/test/bs_bincomp_SUITE.erl
index dcd13c19df..8836fe40ae 100644
--- a/erts/emulator/test/bs_bincomp_SUITE.erl
+++ b/erts/emulator/test/bs_bincomp_SUITE.erl
@@ -131,7 +131,7 @@ tracing(Config) when is_list(Config) ->
random_binary() ->
Seq = [1,2,3,4,5,6,7,8,9,10],
- << <<($a + random:uniform($z - $a)):8>> || _ <- Seq >>.
+ << <<($a + rand:uniform($z - $a)):8>> || _ <- Seq >>.
random_binaries(N) when N > 0 ->
random_binary(),
diff --git a/erts/emulator/test/code_SUITE.erl b/erts/emulator/test/code_SUITE.erl
index 9f318a38be..1acc4538fb 100644
--- a/erts/emulator/test/code_SUITE.erl
+++ b/erts/emulator/test/code_SUITE.erl
@@ -26,7 +26,8 @@
t_check_process_code_ets/1,
external_fun/1,get_chunk/1,module_md5/1,make_stub/1,
make_stub_many_funs/1,constant_pools/1,constant_refc_binaries/1,
- false_dependency/1,coverage/1,fun_confusion/1]).
+ false_dependency/1,coverage/1,fun_confusion/1,
+ t_copy_literals/1]).
-define(line_trace, 1).
-include_lib("test_server/include/test_server.hrl").
@@ -38,7 +39,7 @@ all() ->
t_check_process_code_ets, t_check_old_code, external_fun, get_chunk,
module_md5, make_stub, make_stub_many_funs,
constant_pools, constant_refc_binaries, false_dependency,
- coverage, fun_confusion].
+ coverage, fun_confusion, t_copy_literals].
groups() ->
[].
@@ -753,6 +754,80 @@ compile_load(Mod, Src, Ver) ->
{module,Mod} = code:load_binary(Mod, "fun_confusion.beam", Code1),
ok.
+
+t_copy_literals(Config) when is_list(Config) ->
+ %% Compile the the literals module.
+ Data = ?config(data_dir, Config),
+ File = filename:join(Data, "literals"),
+ {ok,literals,Code} = compile:file(File, [report,binary]),
+ {module,literals} = erlang:load_module(literals, Code),
+
+ N = 30,
+ Me = self(),
+ %% reload literals code every 567 ms
+ Rel = spawn_link(fun() -> reloader(literals,Code,567) end),
+ %% add new literal msgs to the loop every 789 ms
+ Sat = spawn_link(fun() -> saturate(Me,789) end),
+ %% run for 10s
+ _ = spawn_link(fun() -> receive after 10000 -> Me ! done end end),
+ ok = chase_msg(N, Me),
+ %% cleanup
+ Rel ! done,
+ Sat ! done,
+ ok = flush(),
+ ok.
+
+
+chase_msg(0, Pid) ->
+ chase_loop(Pid);
+chase_msg(N, Master) ->
+ Pid = spawn_link(fun() -> chase_msg(N - 1,Master) end),
+ chase_loop(Pid).
+
+chase_loop(Pid) ->
+ receive
+ done ->
+ Pid ! done,
+ ok;
+ {_From,Msg} ->
+ Pid ! {self(), Msg},
+ ok = traverse(Msg),
+ chase_loop(Pid)
+ end.
+
+saturate(Pid,Time) ->
+ Es = [msg1,msg2,msg3,msg4,msg5],
+ Msg = [literals:E()||E <- Es],
+ Pid ! {self(), Msg},
+ receive
+ done -> ok
+ after Time ->
+ saturate(Pid,Time)
+ end.
+
+traverse([]) -> ok;
+traverse([H|T]) ->
+ ok = traverse(H),
+ traverse(T);
+traverse(T) when is_tuple(T) -> ok;
+traverse(B) when is_binary(B) -> ok;
+traverse(I) when is_integer(I) -> ok;
+traverse(#{ 1 := V1, b := V2 }) ->
+ ok = traverse(V1),
+ ok = traverse(V2),
+ ok.
+
+
+reloader(Mod,Code,Time) ->
+ receive
+ done -> ok
+ after Time ->
+ code:purge(Mod),
+ {module,Mod} = erlang:load_module(Mod, Code),
+ reloader(Mod,Code,Time)
+ end.
+
+
%% Utilities.
make_sub_binary(Bin) when is_binary(Bin) ->
@@ -775,4 +850,7 @@ bit_sized_binary(Bin0) ->
BitSize = 8*size(Bin) + 1,
Bin.
+flush() ->
+ receive _ -> flush() after 0 -> ok end.
+
id(I) -> I.
diff --git a/erts/emulator/test/code_SUITE_data/literals.erl b/erts/emulator/test/code_SUITE_data/literals.erl
index 9802d9d3f9..a36bfe09dd 100644
--- a/erts/emulator/test/code_SUITE_data/literals.erl
+++ b/erts/emulator/test/code_SUITE_data/literals.erl
@@ -20,6 +20,7 @@
-module(literals).
-export([a/0,b/0,huge_bignum/0,binary/0,unused_binaries/0,bits/0]).
+-export([msg1/0,msg2/0,msg3/0,msg4/0,msg5/0]).
a() ->
{a,42.0,[7,38877938333399637266518333334747]}.
@@ -101,3 +102,9 @@ unused_binaries() ->
bits() ->
{bits,<<42:13,?MB_1>>}.
+
+msg1() -> "halloj".
+msg2() -> {"hello","world"}.
+msg3() -> <<"halloj">>.
+msg4() -> #{ 1=> "hello", b => "world"}.
+msg5() -> {1,2,3,4,5,6}.
diff --git a/erts/emulator/test/decode_packet_SUITE.erl b/erts/emulator/test/decode_packet_SUITE.erl
index 6a5ca20ac3..65ae94d0dc 100644
--- a/erts/emulator/test/decode_packet_SUITE.erl
+++ b/erts/emulator/test/decode_packet_SUITE.erl
@@ -53,11 +53,8 @@ end_per_group(_GroupName, Config) ->
init_per_testcase(Func, Config) when is_atom(Func), is_list(Config) ->
- Seed = {S1,S2,S3} = {erlang:monotonic_time(),
- erlang:time_offset(),
- erlang:unique_integer()},
- random:seed(S1,S2,S3),
- io:format("*** SEED: ~p ***\n", [Seed]),
+ rand:seed(exsplus),
+ io:format("*** SEED: ~p ***\n", [rand:export_seed()]),
Dog=?t:timetrap(?t:minutes(1)),
[{watchdog, Dog}|Config].
@@ -136,7 +133,7 @@ pack(Type,Body,Rest,BitOffs) ->
{Packet,Unpacked} = pack(Type,Body),
%% Make Bin a sub-bin with an arbitrary bitoffset within Orig
- Prefix = random:uniform(1 bsl BitOffs) - 1,
+ Prefix = rand:uniform(1 bsl BitOffs) - 1,
Orig = <<Prefix:BitOffs,Packet/binary,Rest/bits>>,
<<_:BitOffs,Bin/bits>> = Orig,
{Bin,Unpacked,Orig}.
@@ -151,13 +148,13 @@ pack(4,Bin) ->
Psz = byte_size(Bin),
{<<Psz:32,Bin/binary>>, Bin};
pack(asn1,Bin) ->
- Ident = case random:uniform(3) of
+ Ident = case rand:uniform(3) of
1 -> <<17>>;
2 -> <<16#1f,16#81,17>>;
3 -> <<16#1f,16#81,16#80,16#80,17>>
end,
Psz = byte_size(Bin),
- Length = case random:uniform(4) of
+ Length = case rand:uniform(4) of
1 when Psz < 128 ->
<<Psz:8>>;
R when R=<2 andalso Psz < 16#10000 ->
@@ -177,42 +174,42 @@ pack(sunrm,Bin) ->
{Res,Res};
pack(cdr,Bin) ->
GIOP = <<"GIOP">>,
- Major = random:uniform(256) - 1,
- Minor = random:uniform(256) - 1,
- MType = random:uniform(256) - 1,
+ Major = rand:uniform(256) - 1,
+ Minor = rand:uniform(256) - 1,
+ MType = rand:uniform(256) - 1,
Psz = byte_size(Bin),
- Res = case random:uniform(2) of
+ Res = case rand:uniform(2) of
1 -> <<GIOP/binary,Major:8,Minor:8,0:8,MType:8,Psz:32/big,Bin/binary>>;
2 -> <<GIOP/binary,Major:8,Minor:8,1:8,MType:8,Psz:32/little,Bin/binary>>
end,
{Res,Res};
pack(fcgi,Bin) ->
Ver = 1,
- Type = random:uniform(256) - 1,
- Id = random:uniform(65536) - 1,
- PaddSz = random:uniform(16) - 1,
+ Type = rand:uniform(256) - 1,
+ Id = rand:uniform(65536) - 1,
+ PaddSz = rand:uniform(16) - 1,
Psz = byte_size(Bin),
- Reserv = random:uniform(256) - 1,
+ Reserv = rand:uniform(256) - 1,
Padd = case PaddSz of
0 -> <<>>;
- _ -> list_to_binary([random:uniform(256)-1
+ _ -> list_to_binary([rand:uniform(256)-1
|| _<- lists:seq(1,PaddSz)])
end,
Res = <<Ver:8,Type:8,Id:16,Psz:16/big,PaddSz:8,Reserv:8,Bin/binary>>,
{<<Res/binary,Padd/binary>>, Res};
pack(tpkt,Bin) ->
Ver = 3,
- Reserv = random:uniform(256) - 1,
+ Reserv = rand:uniform(256) - 1,
Size = byte_size(Bin) + 4,
Res = <<Ver:8,Reserv:8,Size:16,Bin/binary>>,
{Res, Res};
pack(ssl_tls,Bin) ->
- Content = case (random:uniform(256) - 1) of
+ Content = case (rand:uniform(256) - 1) of
C when C<128 -> C;
_ -> v2hello
end,
- Major = random:uniform(256) - 1,
- Minor = random:uniform(256) - 1,
+ Major = rand:uniform(256) - 1,
+ Minor = rand:uniform(256) - 1,
pack_ssl(Content,Major,Minor,Bin).
pack_ssl(Content, Major, Minor, Body) ->
@@ -371,10 +368,10 @@ http_do({Bin,[{_Line,PL,PB}|Tail]}, Type) ->
?line {ok, PB, Rest} = decode_pkt(http_with_bin(Type),Bin),
%% Same tests again but as SubBin
- PreLen = random:uniform(64),
- Prefix = random:uniform(1 bsl PreLen) - 1,
- SufLen = random:uniform(64),
- Suffix = random:uniform(1 bsl SufLen) - 1,
+ PreLen = rand:uniform(64),
+ Prefix = rand:uniform(1 bsl PreLen) - 1,
+ SufLen = rand:uniform(64),
+ Suffix = rand:uniform(1 bsl SufLen) - 1,
Orig = <<Prefix:PreLen, Bin/bits, Suffix:SufLen>>,
BinLen = bit_size(Bin),
<<_:PreLen, SubBin:BinLen/bits, _/bits>> = Orig, % Make SubBin
diff --git a/erts/emulator/test/driver_SUITE.erl b/erts/emulator/test/driver_SUITE.erl
index 4211c49848..ce55fe3c52 100644
--- a/erts/emulator/test/driver_SUITE.erl
+++ b/erts/emulator/test/driver_SUITE.erl
@@ -224,7 +224,7 @@ outputv_errors_1(Term) ->
port_close(Port).
build_iolist(N, Base) when N < 16 ->
- case random:uniform(3) of
+ case rand:uniform(3) of
1 ->
<<Bin:N/binary,_/binary>> = Base,
Bin;
@@ -232,7 +232,7 @@ build_iolist(N, Base) when N < 16 ->
lists:seq(1, N)
end;
build_iolist(N, Base) when N =< byte_size(Base) ->
- case random:uniform(3) of
+ case rand:uniform(3) of
1 ->
<<Bin:N/binary,_/binary>> = Base,
Bin;
@@ -250,7 +250,7 @@ build_iolist(N, Base) when N =< byte_size(Base) ->
end
end;
build_iolist(N0, Base) ->
- Small = random:uniform(15),
+ Small = rand:uniform(15),
Seq = lists:seq(1, Small),
N = N0 - Small,
case N rem 2 of
@@ -1877,10 +1877,7 @@ mseg_alloc_cached_segments() ->
mseg_alloc_cached_segments(mseg_inst_info(0)).
mseg_alloc_cached_segments(MsegAllocInfo) ->
- MemName = case is_halfword_vm() of
- true -> "high memory";
- false -> "all memory"
- end,
+ MemName = "all memory",
?line [{memkind,DrvMem}]
= lists:filter(fun(E) -> case E of
{memkind, [{name, MemName} | _]} -> true;
@@ -1899,13 +1896,6 @@ mseg_inst_info(I) ->
erlang:system_info({allocator,mseg_alloc})),
Value.
-is_halfword_vm() ->
- case {erlang:system_info({wordsize, internal}),
- erlang:system_info({wordsize, external})} of
- {4, 8} -> true;
- {WS, WS} -> false
- end.
-
driver_alloc_sbct() ->
{_, _, _, As} = erlang:system_info(allocator),
case lists:keysearch(driver_alloc, 1, As) of
@@ -2405,13 +2395,35 @@ z_test(Config) when is_list(Config) ->
check_io_debug() ->
get_stable_check_io_info(),
- {NoErrorFds, NoUsedFds, NoDrvSelStructs, NoDrvEvStructs}
+ {NoErrorFds, NoUsedFds, NoDrvSelStructs, NoDrvEvStructs} = CheckIoDebug
= erts_debug:get_internal_state(check_io_debug),
+ HasGetHost = has_gethost(),
+ ct:log("check_io_debug: ~p~n"
+ "HasGetHost: ~p",[CheckIoDebug, HasGetHost]),
0 = NoErrorFds,
- NoUsedFds = NoDrvSelStructs,
+ if
+ NoUsedFds == NoDrvSelStructs ->
+ ok;
+ HasGetHost andalso (NoUsedFds == (NoDrvSelStructs - 1)) ->
+ %% If the inet_gethost port is alive, we may have
+ %% one extra used fd that is not selected on
+ ok
+ end,
0 = NoDrvEvStructs,
ok.
+has_gethost() ->
+ has_gethost(erlang:ports()).
+has_gethost([P|T]) ->
+ case erlang:port_info(P, name) of
+ {name,"inet_gethost"++_} ->
+ true;
+ _ ->
+ has_gethost(T)
+ end;
+has_gethost([]) ->
+ false.
+
%flush_msgs() ->
% receive
% M ->
@@ -2512,14 +2524,7 @@ random_char() ->
uniform(256) - 1.
uniform(N) ->
- case get(random_seed) of
- undefined ->
- {X, Y, Z} = time(),
- random:seed(X, Y, Z);
- _ ->
- ok
- end,
- random:uniform(N).
+ rand:uniform(N).
erl_millisecs() ->
erl_millisecs(erlang:monotonic_time()).
diff --git a/erts/emulator/test/emulator.spec.ose b/erts/emulator/test/emulator.spec.ose
deleted file mode 100644
index 9f494609d9..0000000000
--- a/erts/emulator/test/emulator.spec.ose
+++ /dev/null
@@ -1,2 +0,0 @@
-{topcase, {dir, "../emulator_test"}}.
-{skip, {obsolete_SUITE, "Not on ose"}}.
diff --git a/erts/emulator/test/erts_debug_SUITE.erl b/erts/emulator/test/erts_debug_SUITE.erl
index 35677f9953..bbba829501 100644
--- a/erts/emulator/test/erts_debug_SUITE.erl
+++ b/erts/emulator/test/erts_debug_SUITE.erl
@@ -24,13 +24,13 @@
-export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1,
init_per_group/2,end_per_group/2,
init_per_testcase/2,end_per_testcase/2,
- test_size/1,flat_size_big/1,df/1,
+ test_size/1,flat_size_big/1,df/1,term_type/1,
instructions/1]).
suite() -> [{ct_hooks,[ts_install_cth]}].
all() ->
- [test_size, flat_size_big, df, instructions].
+ [test_size, flat_size_big, df, instructions, term_type].
groups() ->
[].
@@ -138,6 +138,47 @@ flat_size_big_1(Term, Size0, Limit) when Size0 < Limit ->
end;
flat_size_big_1(_, _, _) -> ok.
+
+term_type(Config) when is_list(Config) ->
+ Ts = [{fixnum, 1},
+ {fixnum, -1},
+ {bignum, 1 bsl 300},
+ {bignum, -(1 bsl 300)},
+ {hfloat, 0.0},
+ {hfloat, 0.0/-1},
+ {hfloat, 1.0/(1 bsl 302)},
+ {hfloat, 1.0*(1 bsl 302)},
+ {hfloat, -1.0/(1 bsl 302)},
+ {hfloat, -1.0*(1 bsl 302)},
+ {hfloat, 3.1416},
+ {hfloat, 1.0e18},
+ {hfloat, -3.1416},
+ {hfloat, -1.0e18},
+
+ {heap_binary, <<1,2,3>>},
+ {refc_binary, <<0:(8*80)>>},
+ {sub_binary, <<5:7>>},
+
+ {flatmap, #{ a => 1}},
+ {hashmap, maps:from_list([{I,I}||I <- lists:seq(1,76)])},
+
+ {list, [1,2,3]},
+ {nil, []},
+ {tuple, {1,2,3}},
+ {tuple, {}},
+
+ {export, fun lists:sort/1},
+ {'fun', fun() -> ok end},
+ {pid, self()},
+ {atom, atom}],
+ lists:foreach(fun({E,Val}) ->
+ R = erts_internal:term_type(Val),
+ io:format("expecting term type ~w, got ~w (~p)~n", [E,R,Val]),
+ E = R
+ end, Ts),
+ ok.
+
+
df(Config) when is_list(Config) ->
P0 = pps(),
PrivDir = ?config(priv_dir, Config),
diff --git a/erts/emulator/test/evil_SUITE.erl b/erts/emulator/test/evil_SUITE.erl
index 484d2a8bf5..d28e4d9596 100644
--- a/erts/emulator/test/evil_SUITE.erl
+++ b/erts/emulator/test/evil_SUITE.erl
@@ -382,10 +382,10 @@ my_appender_1(N, T0) ->
my_appender_1(N-1, T).
seed() ->
- random:seed(3172, 9815, 20129).
+ rand:seed(exsplus, {3172,9815,20129}).
rnd_term() ->
- U0 = random:uniform(),
+ U0 = rand:uniform(),
B = <<U0/float>>,
{U0,U0 * 2.5 + 3.14,[U0*2.3,B]}.
diff --git a/erts/emulator/test/float_SUITE.erl b/erts/emulator/test/float_SUITE.erl
index c1a76b8af4..8826026f88 100644
--- a/erts/emulator/test/float_SUITE.erl
+++ b/erts/emulator/test/float_SUITE.erl
@@ -26,9 +26,11 @@
init_per_group/2,end_per_group/2,
init_per_testcase/2,end_per_testcase/2,
fpe/1,fp_drv/1,fp_drv_thread/1,denormalized/1,match/1,
+ t_mul_add_ops/1,
bad_float_unpack/1, write/1, cmp_zero/1, cmp_integer/1, cmp_bignum/1]).
-export([otp_7178/1]).
-export([hidden_inf/1]).
+-export([arith/1]).
init_per_testcase(Func, Config) when is_atom(Func), is_list(Config) ->
@@ -45,6 +47,7 @@ all() ->
[fpe, fp_drv, fp_drv_thread, otp_7178, denormalized,
match, bad_float_unpack, write, {group, comparison}
,hidden_inf
+ ,arith, t_mul_add_ops
].
groups() ->
@@ -328,3 +331,124 @@ hidden_inf_1(A, B, Zero, Huge) ->
{'EXIT',{badarith,_}} = (catch (B * (Huge + Huge))),
{'EXIT',{badarith,_}} = (catch (B / (-Huge - Huge))),
{'EXIT',{badarith,_}} = (catch (B * (-Huge - Huge))).
+
+%% Improve code coverage in our different arithmetic functions
+%% and make sure they yield consistent results.
+arith(_Config) ->
+ _TAG_IMMED1_SIZE = 4,
+
+ <<FLOAT_MAX/float>> = <<0:1, 16#7fe:11, -1:52>>,
+ <<FLOAT_MIN/float>> = <<0:1, 0:11, 1:52>>,
+ <<FloatNegZero/float>> = <<1:1, 0:11, 0:52>>,
+
+ WORD_BITS = erlang:system_info(wordsize) * 8,
+ SMALL_BITS = (WORD_BITS - _TAG_IMMED1_SIZE),
+ SMALL_MAX = (1 bsl (SMALL_BITS-1)) - 1,
+ SMALL_MIN = -(1 bsl (SMALL_BITS-1)),
+ BIG1_MAX = (1 bsl WORD_BITS) - 1,
+ BIG2_MAX = (1 bsl (WORD_BITS*2)) - 1,
+
+ fixnum = erts_internal:term_type(SMALL_MAX),
+ fixnum = erts_internal:term_type(SMALL_MIN),
+ bignum = erts_internal:term_type(SMALL_MAX + 1),
+ bignum = erts_internal:term_type(SMALL_MIN - 1),
+
+ L = [0, 0.0, FloatNegZero, 1, 1.0, 17, 17.0, 0.17,
+ FLOAT_MIN, FLOAT_MAX,
+ SMALL_MAX, SMALL_MAX+1,
+ SMALL_MIN, SMALL_MIN-1,
+ BIG1_MAX, BIG1_MAX+1,
+ BIG2_MAX, BIG2_MAX+1,
+ trunc(FLOAT_MAX), trunc(FLOAT_MAX)+1, trunc(FLOAT_MAX)*2,
+
+ immed_badarg,
+ "list badarg",
+ {"boxed badarg"}
+ ],
+
+ foreach_pair(fun(A,B) -> do_bin_ops(A,B) end, L).
+
+foreach_pair(F, L) ->
+ lists:foreach(
+ fun(A) -> lists:foreach(fun(B) -> F(A,B) end, L) end,
+ L).
+
+do_bin_ops(A, B) ->
+ Fun = fun(Op) ->
+ Op(A,B),
+ is_number(A) andalso Op(-A,B),
+ is_number(B) andalso Op(A,-B),
+ is_number(A) andalso is_number(B) andalso Op(-A,-B)
+ end,
+ lists:foreach(Fun,
+ [fun op_add/2, fun op_sub/2, fun op_mul/2, fun op_div/2]).
+
+op_add(A, B) ->
+ Info = [A,B],
+ R = unify(catch A + B, Info),
+ R = unify(my_apply(erlang,'+',[A,B]), Info),
+ case R of
+ _ when A + B =:= element(1,R) -> ok;
+ {{'EXIT',badarith}, Info} -> ok
+ end.
+
+op_sub(A, B) ->
+ Info = [A,B],
+ R = unify(catch A - B, Info),
+ R = unify(my_apply(erlang,'-',[A,B]), Info),
+ case R of
+ _ when A - B =:= element(1,R) -> ok;
+ {{'EXIT',badarith}, Info} -> ok
+ end.
+
+op_mul(A, B) ->
+ Info = [A,B],
+ R = unify(catch A * B, Info),
+ R = unify(my_apply(erlang,'*',[A,B]), Info),
+ case R of
+ _ when A * B =:= element(1,R) -> ok;
+ {{'EXIT',badarith}, Info} -> ok
+ end.
+
+op_div(A, B) ->
+ Info = [A,B],
+ R = unify(catch A / B, Info),
+ R = unify(my_apply(erlang,'/',[A,B]), Info),
+ case R of
+ _ when A / B =:= element(1,R) -> ok;
+ {{'EXIT',badarith}, Info} -> ok
+ end.
+
+my_apply(M, F, A) ->
+ catch apply(id(M), id(F), A).
+
+% Unify exceptions be removing stack traces.
+% and add argument info to make it easer to debug failed matches.
+unify({'EXIT',{Reason,_Stack}}, Info) ->
+ {{'EXIT', Reason}, Info};
+unify(Other, Info) ->
+ {Other, Info}.
+
+
+-define(epsilon, 1.0e-20).
+check_epsilon(R,Val) ->
+ if erlang:abs(R-Val) < ?epsilon -> ok;
+ true -> ?t:fail({R,Val})
+ end.
+
+t_mul_add_ops(Config) when is_list(Config) ->
+ check_epsilon(op_mul_add(1, 2.0, 1.0, 0.0), 1.0),
+ check_epsilon(op_mul_add(2, 2.0, 1.0, 0.0), 3.0),
+ check_epsilon(op_mul_add(3, 2.0, 1.0, 0.0), 7.0),
+ check_epsilon(op_mul_add(4, 2.0, 1.0, 0.0), 15.0),
+ check_epsilon(op_mul_add(5, 2.0, 1.0, 0.0), 31.0),
+ check_epsilon(op_mul_add(6, 2.0, 1.0, 0.0), 63.0),
+ check_epsilon(op_mul_add(6, 2.0, 1.3, 0.0), 81.9),
+ check_epsilon(op_mul_add(6, 2.03, 1.3, 0.0), 87.06260151458997),
+ ok.
+
+
+op_mul_add(0, _, _, R) -> R;
+op_mul_add(N, A, B, R) when is_float(A), is_float(B), is_float(R) ->
+ op_mul_add(N - 1, A, B, R * A + B).
+
diff --git a/erts/emulator/test/float_SUITE_data/fp_drv.c b/erts/emulator/test/float_SUITE_data/fp_drv.c
index 5919dd8e2f..a91d622040 100644
--- a/erts/emulator/test/float_SUITE_data/fp_drv.c
+++ b/erts/emulator/test/float_SUITE_data/fp_drv.c
@@ -18,6 +18,7 @@
*/
#if defined(DEBUG) || 0
+# include <stdio.h>
# define PRINTF(X) printf X
#else
# define PRINTF(X)
diff --git a/erts/emulator/test/hash_SUITE.erl b/erts/emulator/test/hash_SUITE.erl
index 2ea49467b8..1b2acf48e1 100644
--- a/erts/emulator/test/hash_SUITE.erl
+++ b/erts/emulator/test/hash_SUITE.erl
@@ -223,11 +223,10 @@ basic_test() ->
range_test() ->
- random:seed(),
F = fun(From,From,_FF) ->
ok;
(From,To,FF) ->
- R = random:uniform(16#FFFFFFFFFFFFFFFF),
+ R = rand:uniform(16#FFFFFFFFFFFFFFFF),
X = erlang:phash(R, From),
Y = erlang:phash(R, 16#100000000) - 1,
Z = (Y rem From) + 1,
@@ -265,14 +264,13 @@ spread_test(N) ->
cmp_test(N) ->
- % No need to save seed, the error indicates what number caused it.
- random:seed(),
do_cmp_hashes(N,8).
+
do_cmp_hashes(0,_) ->
ok;
do_cmp_hashes(N,Steps) ->
- R0 = random:uniform(1 bsl Steps - 1) + random:uniform(16#FFFFFFFF),
- R = case random:uniform(2) of
+ R0 = rand:uniform(1 bsl Steps - 1) + rand:uniform(16#FFFFFFFF),
+ R = case rand:uniform(2) of
1 ->
R0;
_ ->
diff --git a/erts/emulator/test/map_SUITE.erl b/erts/emulator/test/map_SUITE.erl
index a256cf4195..5e9814be60 100644
--- a/erts/emulator/test/map_SUITE.erl
+++ b/erts/emulator/test/map_SUITE.erl
@@ -1511,11 +1511,8 @@ t_map_equal(Config) when is_list(Config) ->
t_map_compare(Config) when is_list(Config) ->
- Seed = {erlang:monotonic_time(),
- erlang:time_offset(),
- erlang:unique_integer()},
- io:format("seed = ~p\n", [Seed]),
- random:seed(Seed),
+ rand:seed(exsplus),
+ io:format("seed = ~p\n", [rand:export_seed()]),
repeat(100, fun(_) -> float_int_compare() end, []),
repeat(100, fun(_) -> recursive_compare() end, []),
ok.
@@ -1533,7 +1530,7 @@ float_int_compare() ->
numeric_keys(N) ->
lists:foldl(fun(_,Acc) ->
- Int = random:uniform(N*4) - N*2,
+ Int = rand:uniform(N*4) - N*2,
Float = float(Int),
[Int, Float, Float * 0.99, Float * 1.01 | Acc]
end,
@@ -1564,7 +1561,7 @@ do_compare([Gen1, Gen2]) ->
%% Change one key from int to float (or vice versa) and check compare
ML1 = maps:to_list(M1),
- {K1,V1} = lists:nth(random:uniform(length(ML1)), ML1),
+ {K1,V1} = lists:nth(rand:uniform(length(ML1)), ML1),
case K1 of
I when is_integer(I) ->
case maps:find(float(I),M1) of
@@ -1655,9 +1652,9 @@ cmp_others(T1, T2, _) ->
map_gen(Pairs, Size) ->
{_,L} = lists:foldl(fun(_, {Keys, Acc}) ->
- KI = random:uniform(size(Keys)),
+ KI = rand:uniform(size(Keys)),
K = element(KI,Keys),
- KV = element(random:uniform(size(K)), K),
+ KV = element(rand:uniform(size(K)), K),
{erlang:delete_element(KI,Keys), [KV | Acc]}
end,
{Pairs, []},
@@ -1697,15 +1694,15 @@ term_gen_recursive(Leafs, Flags, Depth) ->
MaxDepth = 10,
Rnd = case {Flags, Depth} of
{_, MaxDepth} -> % Only leafs
- random:uniform(size(Leafs)) + 3;
+ rand:uniform(size(Leafs)) + 3;
{0, 0} -> % Only containers
- random:uniform(3);
+ rand:uniform(3);
{0,_} -> % Anything
- random:uniform(size(Leafs)+3)
+ rand:uniform(size(Leafs)+3)
end,
case Rnd of
1 -> % Make map
- Size = random:uniform(size(Leafs)),
+ Size = rand:uniform(size(Leafs)),
lists:foldl(fun(_, {Acc1,Acc2}) ->
{K1,K2} = term_gen_recursive(Leafs, Flags,
Depth+1),
@@ -1720,7 +1717,7 @@ term_gen_recursive(Leafs, Flags, Depth) ->
{Cdr1,Cdr2} = term_gen_recursive(Leafs, Flags, Depth+1),
{[Car1 | Cdr1], [Car2 | Cdr2]};
3 -> % Make tuple
- Size = random:uniform(size(Leafs)),
+ Size = rand:uniform(size(Leafs)),
L = lists:map(fun(_) -> term_gen_recursive(Leafs, Flags, Depth+1) end,
lists:seq(1,Size)),
{L1, L2} = lists:unzip(L),
@@ -1729,7 +1726,7 @@ term_gen_recursive(Leafs, Flags, Depth) ->
N -> % Make leaf
case element(N-3, Leafs) of
I when is_integer(I) ->
- case random:uniform(4) of
+ case rand:uniform(4) of
1 -> {I, float(I)};
2 -> {float(I), I};
_ -> {I,I}
@@ -2598,7 +2595,7 @@ hashmap_balance(KeyFun) ->
F = fun(I, {M0,Max0}) ->
Key = KeyFun(I),
M1 = M0#{Key => Key},
- Max1 = case erts_internal:map_type(M1) of
+ Max1 = case erts_internal:term_type(M1) of
hashmap ->
Nodes = hashmap_nodes(M1),
Avg = maps:size(M1) * 0.4,
@@ -3006,7 +3003,7 @@ t_gc_rare_map_overflow(Config) ->
Loop()
end),
FatMap = fatmap(34),
- false = (flatmap =:= erts_internal:map_type(FatMap)),
+ false = (flatmap =:= erts_internal:term_type(FatMap)),
t_gc_rare_map_overflow_do(Echo, FatMap, fun() -> erlang:garbage_collect() end),
diff --git a/erts/emulator/test/message_queue_data_SUITE.erl b/erts/emulator/test/message_queue_data_SUITE.erl
new file mode 100644
index 0000000000..11481409aa
--- /dev/null
+++ b/erts/emulator/test/message_queue_data_SUITE.erl
@@ -0,0 +1,239 @@
+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2014. All Rights Reserved.
+%%
+%% 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
+%%
+%% http://www.apache.org/licenses/LICENSE-2.0
+%%
+%% Unless required by applicable law or agreed to in writing, software
+%% distributed under the License is distributed on an "AS IS" BASIS,
+%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+%% See the License for the specific language governing permissions and
+%% limitations under the License.
+%%
+%% %CopyrightEnd%
+%%
+
+-module(message_queue_data_SUITE).
+
+-export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1,
+ init_per_group/2,end_per_group/2,
+ init_per_testcase/2,end_per_testcase/2]).
+-export([basic/1, process_info_messages/1]).
+
+-export([basic_test/1]).
+
+-include_lib("test_server/include/test_server.hrl").
+
+init_per_testcase(Case, Config) ->
+ ?line Dog=test_server:timetrap(test_server:minutes(2)),
+ [{watchdog, Dog}, {testcase, Case}|Config].
+
+end_per_testcase(_, Config) ->
+ Dog=?config(watchdog, Config),
+ test_server:timetrap_cancel(Dog),
+ ok.
+
+suite() -> [{ct_hooks,[ts_install_cth]}].
+
+all() ->
+ [basic, process_info_messages].
+
+groups() ->
+ [].
+
+init_per_suite(Config) ->
+%% erts_debug:set_internal_state(available_internal_state, true),
+ Config.
+
+end_per_suite(_Config) ->
+%% erts_debug:set_internal_state(available_internal_state, false),
+ ok.
+
+init_per_group(_GroupName, Config) ->
+ Config.
+
+end_per_group(_GroupName, Config) ->
+ Config.
+
+%%
+%%
+%% Test cases
+%%
+%%
+
+basic(Config) when is_list(Config) ->
+
+ basic_test(erlang:system_info(message_queue_data)),
+
+ {ok, Node1} = start_node(Config, "+xmqd off_heap"),
+ ok = rpc:call(Node1, ?MODULE, basic_test, [off_heap]),
+ stop_node(Node1),
+
+ {ok, Node2} = start_node(Config, "+xmqd on_heap"),
+ ok = rpc:call(Node2, ?MODULE, basic_test, [on_heap]),
+ stop_node(Node2),
+
+ {ok, Node3} = start_node(Config, "+xmqd mixed"),
+ ok = rpc:call(Node3, ?MODULE, basic_test, [mixed]),
+ stop_node(Node3),
+
+ ok.
+
+is_valid_mqd_value(off_heap) ->
+ true;
+is_valid_mqd_value(on_heap) ->
+ true;
+is_valid_mqd_value(mixed) ->
+ true;
+is_valid_mqd_value(_) ->
+ false.
+
+
+basic_test(Default) ->
+
+ Default = erlang:system_info(message_queue_data),
+ true = is_valid_mqd_value(Default),
+
+ {message_queue_data, Default} = process_info(self(), message_queue_data),
+ Default = process_flag(message_queue_data, off_heap),
+ {message_queue_data, off_heap} = process_info(self(), message_queue_data),
+ off_heap = process_flag(message_queue_data, on_heap),
+ {message_queue_data, on_heap} = process_info(self(), message_queue_data),
+ on_heap = process_flag(message_queue_data, mixed),
+ {message_queue_data, mixed} = process_info(self(), message_queue_data),
+ mixed = process_flag(message_queue_data, Default),
+ {'EXIT', _} = (catch process_flag(message_queue_data, blupp)),
+
+ P1 = spawn_opt(fun () -> receive after infinity -> ok end end,
+ [link]),
+ {message_queue_data, Default} = process_info(P1, message_queue_data),
+ unlink(P1),
+ exit(P1, bye),
+
+ P2 = spawn_opt(fun () -> receive after infinity -> ok end end,
+ [link, {message_queue_data, off_heap}]),
+ {message_queue_data, off_heap} = process_info(P2, message_queue_data),
+ unlink(P2),
+ exit(P2, bye),
+
+ P3 = spawn_opt(fun () -> receive after infinity -> ok end end,
+ [link, {message_queue_data, on_heap}]),
+ {message_queue_data, on_heap} = process_info(P3, message_queue_data),
+ unlink(P3),
+ exit(P3, bye),
+
+ P4 = spawn_opt(fun () -> receive after infinity -> ok end end,
+ [link, {message_queue_data, mixed}]),
+ {message_queue_data, mixed} = process_info(P4, message_queue_data),
+ unlink(P4),
+ exit(P4, bye),
+
+ {'EXIT', _} = (catch spawn_opt(fun () -> receive after infinity -> ok end end,
+ [link, {message_queue_data, blapp}])),
+
+ ok.
+
+process_info_messages(Config) when is_list(Config) ->
+ Tester = self(),
+ P1 = spawn_opt(fun () ->
+ receive after 500 -> ok end,
+ mixed = process_flag(message_queue_data, off_heap),
+ Tester ! first,
+ receive after 500 -> ok end,
+ off_heap = process_flag(message_queue_data, on_heap),
+ Tester ! second,
+ receive after 500 -> ok end,
+ on_heap = process_flag(message_queue_data, mixed),
+ Tester ! third,
+ receive after 500 -> ok end,
+ mixed = process_flag(message_queue_data, off_heap),
+ Tester ! fourth,
+
+ receive after infinity -> ok end
+ end,
+ [link, {message_queue_data, mixed}]),
+
+ P1 ! "A",
+ receive first -> ok end,
+ P1 ! "B",
+ receive second -> ok end,
+ P1 ! "C",
+ receive third -> ok end,
+ P1 ! "D",
+ receive fourth -> ok end,
+ P1 ! "E",
+
+ {messages, ["A", "B", "C", "D", "E"]} = process_info(P1, messages),
+
+ P2 = spawn_opt(fun () ->
+ receive after 500 -> ok end,
+ mixed = process_flag(message_queue_data, off_heap),
+ Tester ! first,
+ receive after 500 -> ok end,
+ off_heap = process_flag(message_queue_data, on_heap),
+ Tester ! second,
+ receive after 500 -> ok end,
+ on_heap = process_flag(message_queue_data, mixed),
+ Tester ! third,
+ receive after 500 -> ok end,
+ mixed = process_flag(message_queue_data, off_heap),
+ Tester ! fourth,
+ receive after 500 -> ok end,
+
+ Tester ! process_info(self(), messages),
+
+ receive M1 -> M1 = "A" end,
+ receive M2 -> M2 = "B" end,
+ receive M3 -> M3 = "C" end,
+ receive M4 -> M4 = "D" end,
+ receive M5 -> M5 = "E" end,
+
+ Tester ! self()
+ end,
+ [link, {message_queue_data, mixed}]),
+
+ P2 ! "A",
+ receive first -> ok end,
+ P2 ! "B",
+ receive second -> ok end,
+ P2 ! "C",
+ receive third -> ok end,
+ P2 ! "D",
+ receive fourth -> ok end,
+ P2 ! "E",
+
+ receive
+ Msg ->
+ {messages, ["A", "B", "C", "D", "E"]} = Msg
+ end,
+
+ receive P2 -> ok end,
+
+ ok.
+
+%%
+%%
+%% helpers
+%%
+%%
+
+start_node(Config) ->
+ start_node(Config, []).
+start_node(Config, Opts) when is_list(Config), is_list(Opts) ->
+ Pa = filename:dirname(code:which(?MODULE)),
+ Name = list_to_atom(atom_to_list(?MODULE)
+ ++ "-"
+ ++ atom_to_list(?config(testcase, Config))
+ ++ "-"
+ ++ integer_to_list(erlang:system_time(seconds))
+ ++ "-"
+ ++ integer_to_list(erlang:unique_integer([positive]))),
+ ?t:start_node(Name, slave, [{args, Opts++" -pa "++Pa}]).
+
+stop_node(Node) ->
+ ?t:stop_node(Node).
diff --git a/erts/emulator/test/nif_SUITE.erl b/erts/emulator/test/nif_SUITE.erl
index 3d478654b1..b02a090103 100644
--- a/erts/emulator/test/nif_SUITE.erl
+++ b/erts/emulator/test/nif_SUITE.erl
@@ -1194,11 +1194,8 @@ send3(Config) when is_list(Config) ->
%% Let a number of processes send random message blobs between each other
%% using enif_send. Kill and spawn new ones randomly to keep a ~constant
%% number of workers running.
- Seed = {erlang:monotonic_time(),
- erlang:time_offset(),
- erlang:unique_integer()},
- io:format("seed: ~p\n",[Seed]),
- random:seed(Seed),
+ rand:seed(exsplus),
+ io:format("seed: ~p\n",[rand:export_seed()]),
ets:new(nif_SUITE,[named_table,public]),
?line true = ets:insert(nif_SUITE,{send3,0,0,0,0}),
timer:send_after(10000, timeout), % Run for 10 seconds
@@ -1231,7 +1228,7 @@ send3_controller(SpawnCnt0, Mons0, Pids0, Tick) ->
after Tick ->
Max = 20,
N = length(Pids0),
- PidN = random:uniform(Max),
+ PidN = rand:uniform(Max),
%%io:format("N=~p PidN=~p Pids0=~p\n", [N,PidN,Pids0]),
case PidN > N of
true ->
@@ -1295,7 +1292,7 @@ send3_proc(Pids0, Counters={Rcv,SndOk,SndFail}, State0) ->
end.
send3_proc_send(Pids, {Rcv,SndOk,SndFail}, State0) ->
- To = lists:nth(random:uniform(length(Pids)),Pids),
+ To = lists:nth(rand:uniform(length(Pids)),Pids),
Blob = send3_make_blob(),
State1 = send3_new_state(State0,Blob),
case send3_send(To, Blob) of
@@ -1307,12 +1304,12 @@ send3_proc_send(Pids, {Rcv,SndOk,SndFail}, State0) ->
send3_make_blob() ->
- case random:uniform(20)-1 of
+ case rand:uniform(20)-1 of
0 -> {term,[]};
N ->
MsgEnv = alloc_msgenv(),
repeat(N bsr 1,
- fun(_) -> grow_blob(MsgEnv,other_term(),random:uniform(1 bsl 20))
+ fun(_) -> grow_blob(MsgEnv,other_term(),rand:uniform(1 bsl 20))
end, void),
case (N band 1) of
0 -> {term,copy_blob(MsgEnv)};
@@ -1322,7 +1319,7 @@ send3_make_blob() ->
send3_send(Pid, Msg) ->
%% 90% enif_send and 10% normal bang
- case random:uniform(10) of
+ case rand:uniform(10) of
1 -> send3_send_bang(Pid,Msg);
_ -> send3_send_nif(Pid,Msg)
end.
@@ -1343,7 +1340,7 @@ send3_send_bang(Pid, {msgenv,MsgEnv}) ->
true.
send3_new_state(State, Blob) ->
- case random:uniform(5+2) of
+ case rand:uniform(5+2) of
N when N =< 5-> setelement(N, State, Blob);
_ -> State % Don't store blob
end.
diff --git a/erts/emulator/test/op_SUITE.erl b/erts/emulator/test/op_SUITE.erl
index 6eda78a57b..65a5a4c505 100644
--- a/erts/emulator/test/op_SUITE.erl
+++ b/erts/emulator/test/op_SUITE.erl
@@ -97,10 +97,11 @@ relop_simple(Config) when is_list(Config) ->
lists:foreach(fun({A,B}) -> relop_simple_do(A,B) end,
Combos),
- repeat(fun() -> Size = random:uniform(100),
- Rnd1 = make_rand_term(Size),
- {Rnd2,0} = clone_and_mutate(Rnd1, random:uniform(Size)),
- relop_simple_do(Rnd1,Rnd2)
+ repeat(fun() ->
+ Size = rand:uniform(100),
+ Rnd1 = make_rand_term(Size),
+ {Rnd2,0} = clone_and_mutate(Rnd1, rand:uniform(Size)),
+ relop_simple_do(Rnd1,Rnd2)
end,
1000),
ok.
@@ -158,7 +159,7 @@ cmp_emu(A,B) ->
make_rand_term(1) ->
make_rand_term_single();
make_rand_term(Arity) ->
- case random:uniform(3) of
+ case rand:uniform(3) of
1 ->
make_rand_list(Arity);
2 ->
@@ -169,17 +170,17 @@ make_rand_term(Arity) ->
end.
make_rand_term_single() ->
- Range = 1 bsl random:uniform(200),
- case random:uniform(12) of
+ Range = 1 bsl rand:uniform(200),
+ case rand:uniform(12) of
1 -> random;
2 -> uniform;
- 3 -> random:uniform(Range) - (Range div 2);
- 4 -> Range * (random:uniform() - 0.5);
+ 3 -> rand:uniform(Range) - (Range div 2);
+ 4 -> Range * (rand:uniform() - 0.5);
5 -> 0;
6 -> 0.0;
7 -> make_ref();
8 -> self();
- 9 -> term_to_binary(random:uniform(Range));
+ 9 -> term_to_binary(rand:uniform(Range));
10 -> fun(X) -> X*Range end;
11 -> fun(X) -> X/Range end;
12 -> []
@@ -188,7 +189,7 @@ make_rand_term_single() ->
make_rand_term_rand_size(1) ->
{make_rand_term(1), 0};
make_rand_term_rand_size(MaxArity) ->
- Arity = random:uniform(MaxArity-1),
+ Arity = rand:uniform(MaxArity-1),
{make_rand_term(Arity), MaxArity-Arity}.
make_rand_list(0) -> [];
diff --git a/erts/emulator/test/port_SUITE.erl b/erts/emulator/test/port_SUITE.erl
index 3d0509a28c..ff75ee86d6 100644
--- a/erts/emulator/test/port_SUITE.erl
+++ b/erts/emulator/test/port_SUITE.erl
@@ -82,10 +82,11 @@
mul_basic/1, mul_slow_writes/1,
dying_port/1, port_program_with_path/1,
open_input_file_port/1, open_output_file_port/1,
+ count_fds/1,
iter_max_ports/1, eof/1, input_only/1, output_only/1,
name1/1,
t_binary/1, parallell/1, t_exit/1,
- env/1, bad_env/1, cd/1, exit_status/1,
+ env/1, huge_env/1, bad_env/1, cd/1, exit_status/1,
tps_16_bytes/1, tps_1K/1, line/1, stderr_to_stdout/1,
otp_3906/1, otp_4389/1, win_massive/1, win_massive_client/1,
mix_up_ports/1, otp_5112/1, otp_5119/1, otp_6224/1,
@@ -111,8 +112,8 @@ all() ->
bad_packet, bad_port_messages, {group, options},
{group, multiple_packets}, parallell, dying_port,
port_program_with_path, open_input_file_port,
- open_output_file_port, name1, env, bad_env, cd,
- exit_status, iter_max_ports, t_exit, {group, tps}, line,
+ open_output_file_port, name1, env, huge_env, bad_env, cd,
+ exit_status, iter_max_ports, count_fds, t_exit, {group, tps}, line,
stderr_to_stdout, otp_3906, otp_4389, win_massive,
mix_up_ports, otp_5112, otp_5119,
exit_status_multi_scheduling_block, ports, spawn_driver,
@@ -385,27 +386,33 @@ input_only(Config) when is_list(Config) ->
output_only(Config) when is_list(Config) ->
Dog = test_server:timetrap(test_server:seconds(100)),
Dir = ?config(priv_dir, Config),
+
+ %% First we test that the port program gets the data
Filename = filename:join(Dir, "output_only_stream"),
- output_and_verify(Config, Filename, "-h0",
- random_packet(35777, "echo")),
+ Data = random_packet(35777, "echo"),
+ output_and_verify(Config, ["-h0 -o", Filename], Data),
+ Wait_time = 500,
+ test_server:sleep(Wait_time),
+ {ok, Written} = file:read_file(Filename),
+ Data = binary_to_list(Written),
+
+ %% Then we test that any writes to stdout from
+ %% the port program is not sent to erlang
+ output_and_verify(Config, ["-h0"], Data),
+
test_server:timetrap_cancel(Dog),
ok.
-output_and_verify(Config, Filename, Options, Data) ->
+output_and_verify(Config, Options, Data) ->
PortTest = port_test(Config),
- Command = lists:concat([PortTest, " ",
- Options, " -o", Filename]),
+ Command = lists:concat([PortTest, " " | Options]),
Port = open_port({spawn, Command}, [out]),
Port ! {self(), {command, Data}},
Port ! {self(), close},
receive
- {Port, closed} -> ok
- end,
- Wait_time = 500,
- test_server:sleep(Wait_time),
- {ok, Written} = file:read_file(Filename),
- Data = binary_to_list(Written),
- ok.
+ {Port, closed} -> ok;
+ Msg -> ct:fail({received_unexpected_message, Msg})
+ end.
%% Test that receiving several packages written in the same
%% write operation works.
@@ -610,6 +617,38 @@ open_output_file_port(Config) when is_list(Config) ->
test_server:timetrap_cancel(Dog),
ok.
+%% Tests that all appropriate fd's have been closed in the port program
+count_fds(suite) -> [];
+count_fds(Config) when is_list(Config) ->
+ case os:type() of
+ {unix, _} ->
+ PrivDir = proplists:get_value(priv_dir, Config),
+ Filename = filename:join(PrivDir, "my_fd_counter"),
+
+ RunTest = fun(PortOpts) ->
+ PortTest = port_test(Config),
+ Command = lists:concat([PortTest, " -n -f -o", Filename]),
+ Port = open_port({spawn, Command}, PortOpts),
+ Port ! {self(), close},
+ receive
+ {Port, closed} -> ok
+ end,
+ test_server:sleep(500),
+ {ok, Written} = file:read_file(Filename),
+ Written
+ end,
+ <<4:32/native>> = RunTest([out, nouse_stdio]),
+ <<4:32/native>> = RunTest([in, nouse_stdio]),
+ <<5:32/native>> = RunTest([in, out, nouse_stdio]),
+ <<3:32/native>> = RunTest([out, use_stdio]),
+ <<3:32/native>> = RunTest([in, use_stdio]),
+ <<3:32/native>> = RunTest([in, out, use_stdio]),
+ <<3:32/native>> = RunTest([in, out, use_stdio, stderr_to_stdout]),
+ <<3:32/native>> = RunTest([out, use_stdio, stderr_to_stdout]);
+ _ ->
+ {skip, "Skipped on windows"}
+ end.
+
%%
%% Open as many ports as possible. Do this several times and check
%% that we get the same number of ports every time.
@@ -680,7 +719,16 @@ close_ports([]) ->
ok.
open_ports(Name, Settings) ->
- test_server:sleep(5),
+ case os:type() of
+ {unix, freebsd} ->
+ %% FreeBsd has issues with sendmsg/recvmsg in fork
+ %% implementation and we therefor have to spawn
+ %% slower to make sure that we always hit the same
+ %% make roof.
+ test_server:sleep(10);
+ _ ->
+ test_server:sleep(5)
+ end,
case catch open_port(Name, Settings) of
P when is_port(P) ->
[P| open_ports(Name, Settings)];
@@ -923,6 +971,40 @@ try_bad_env(Env) ->
error:badarg -> ok
end.
+%% Test that we can handle a very very large environment gracefully.
+huge_env(Config) when is_list(Config) ->
+ Vars = case os:type() of
+ {win32,_} -> 500;
+ _ ->
+ %% We create a huge environment,
+ %% 20000 variables is about 25MB
+ %% which seems to be the limit on Linux.
+ 20000
+ end,
+ Env = [{[$a + I div (25*25*25*25) rem 25,
+ $a + I div (25*25*25) rem 25,
+ $a + I div (25*25) rem 25,
+ $a+I div 25 rem 25, $a+I rem 25],
+ lists:duplicate(100,$a+I rem 25)}
+ || I <- lists:seq(1,Vars)],
+ try erlang:open_port({spawn,"ls"},[exit_status, {env, Env}]) of
+ P ->
+ receive
+ {P, {exit_status,N}} = M ->
+ %% We test that the exit status is an integer, this means
+ %% that the child program has started. If we get an atom
+ %% something went wrong in the driver which is not ok.
+ ct:log("Got ~p",[M]),
+ true = is_integer(N)
+ end
+ catch E:R ->
+ %% Have to catch the error here, as printing the stackdump
+ %% in the ct log is way to heavy for some test machines.
+ ct:fail("Open port failed ~p:~p",[E,R])
+ end.
+
+
+
%% 'cd' option
%% (Can perhaps be made smaller by calling the other utility functions
%% in this module.)
@@ -1228,13 +1310,15 @@ otp_4389(Config) when is_list(Config) ->
{P,{exit_status,_}} ->
TCR ! {self(),ok};
{'EXIT',_,{R2,_}} when R2 == emfile;
- R2 == eagain ->
+ R2 == eagain;
+ R2 == enomem ->
TCR ! {self(),ok};
Err2 ->
TCR ! {self(),{msg,Err2}}
end;
{'EXIT',{R1,_}} when R1 == emfile;
- R1 == eagain ->
+ R1 == eagain;
+ R1 == enomem ->
TCR ! {self(),ok};
Err1 ->
TCR ! {self(), {open_port,Err1}}
@@ -1840,10 +1924,12 @@ exit_status_msb_test(Config, SleepSecs) when is_list(Config) ->
{Prt,
erlang:system_info(scheduler_id)};
{'EXIT', {Err, _}} when Err == eagain;
- Err == emfile ->
+ Err == emfile;
+ Err == enomem ->
noop;
{'EXIT', Err} when Err == eagain;
- Err == emfile ->
+ Err == emfile;
+ Err == enomem ->
noop;
Error ->
?t:fail(Error)
@@ -2183,15 +2269,14 @@ random_char(Chars) ->
lists:nth(uniform(length(Chars)), Chars).
uniform(N) ->
- case get(random_seed) of
- undefined ->
- {X, Y, Z} = Seed = time(),
- io:format("Random seed = ~p\n",[Seed]),
- random:seed(X, Y, Z);
+ case rand:export_seed() of
+ undefined ->
+ rand:seed(exsplus),
+ io:format("Random seed = ~p\n", [rand:export_seed()]);
_ ->
ok
end,
- random:uniform(N).
+ rand:uniform(N).
fun_spawn(Fun) ->
fun_spawn(Fun, []).
@@ -2331,7 +2416,7 @@ close_deaf_port(Config) when is_list(Config) ->
close_deaf_port_1(200, _) ->
ok;
close_deaf_port_1(N, Cmd) ->
- Timeout = integer_to_list(random:uniform(5*1000)),
+ Timeout = integer_to_list(rand:uniform(5*1000)),
try open_port({spawn_executable,Cmd},[{args,[Timeout]}]) of
Port ->
erlang:port_command(Port,"Hello, can you hear me!?!?"),
@@ -2372,7 +2457,7 @@ port_setget_data(Config) when is_list(Config) ->
ok.
port_setget_data_hammer(Port, HeapData, IsSet0, N) ->
- Rand = random:uniform(3),
+ Rand = rand:uniform(3),
IsSet1 = try case Rand of
1 -> true = erlang:port_set_data(Port, atom), true;
2 -> true = erlang:port_set_data(Port, HeapData), true;
diff --git a/erts/emulator/test/port_SUITE_data/port_test.c b/erts/emulator/test/port_SUITE_data/port_test.c
index 7abefab2e3..cc3ebdf0f8 100644
--- a/erts/emulator/test/port_SUITE_data/port_test.c
+++ b/erts/emulator/test/port_SUITE_data/port_test.c
@@ -13,6 +13,7 @@
#ifndef __WIN32__
#include <unistd.h>
+#include <limits.h>
#include <sys/time.h>
@@ -48,6 +49,7 @@ typedef struct {
* after reading the header for a packet
* before reading the rest.
*/
+ int fd_count; /* Count the number of open fds */
int break_mode; /* If set, this program will close standard
* input, which should case broken pipe
* error in the writer.
@@ -107,7 +109,7 @@ MAIN(argc, argv)
int argc;
char *argv[];
{
- int ret;
+ int ret, fd_count;
if((port_data = (PORT_TEST_DATA *) malloc(sizeof(PORT_TEST_DATA))) == NULL) {
fprintf(stderr, "Couldn't malloc for port_data");
exit(1);
@@ -115,6 +117,7 @@ char *argv[];
port_data->header_size = 0;
port_data->io_buf_size = 0;
port_data->delay_mode = 0;
+ port_data->fd_count = 0;
port_data->break_mode = 0;
port_data->quit_mode = 0;
port_data->slow_writes = 0;
@@ -144,6 +147,9 @@ char *argv[];
case 'e':
port_data->fd_to_erl = 2;
break;
+ case 'f':
+ port_data->fd_count = 1;
+ break;
case 'h': /* Header size for packets. */
switch (argv[1][2]) {
case '0': port_data->header_size = 0; break;
@@ -189,18 +195,31 @@ char *argv[];
/* XXX Add error printout here */
}
+ if (port_data->fd_count) {
+#ifdef __WIN32__
+ DWORD handles;
+ GetProcessHandleCount(GetCurrentProcess(), &handles);
+ fd_count = handles;
+#else
+ int i;
+ for (i = 0, fd_count = 0; i < 1024; i++)
+ if (fcntl(i, F_GETFD) >= 0) {
+ fd_count++;
+ }
+#endif
+ }
+
+ if (port_data->output_file)
+ replace_stdout(port_data->output_file);
+
+ if (port_data->fd_count)
+ reply(&fd_count, sizeof(fd_count));
+
if (port_data->no_packet_loop){
free(port_data);
exit(0);
}
- /*
- * If an output file was given, let it replace standard output.
- */
-
- if (port_data->output_file)
- replace_stdout(port_data->output_file);
-
ret = packet_loop();
if(port_data->io_buf_size > 0)
free(port_data->io_buf);
diff --git a/erts/emulator/test/port_bif_SUITE.erl b/erts/emulator/test/port_bif_SUITE.erl
index b65a22a528..981899b167 100644
--- a/erts/emulator/test/port_bif_SUITE.erl
+++ b/erts/emulator/test/port_bif_SUITE.erl
@@ -485,14 +485,7 @@ random_char(Chars) ->
lists:nth(uniform(length(Chars)), Chars).
uniform(N) ->
- case get(random_seed) of
- undefined ->
- {X, Y, Z} = time(),
- random:seed(X, Y, Z);
- _ ->
- ok
- end,
- random:uniform(N).
+ rand:uniform(N).
unaligned_sub_bin(Bin0) ->
Bin1 = <<0:3,Bin0/binary,31:5>>,
diff --git a/erts/emulator/test/process_SUITE.erl b/erts/emulator/test/process_SUITE.erl
index 97aa5e573e..bfd1e78bf0 100644
--- a/erts/emulator/test/process_SUITE.erl
+++ b/erts/emulator/test/process_SUITE.erl
@@ -41,6 +41,7 @@
process_info_2_list/1, process_info_lock_reschedule/1,
process_info_lock_reschedule2/1,
process_info_lock_reschedule3/1,
+ process_info_garbage_collection/1,
bump_reductions/1, low_prio/1, binary_owner/1, yield/1, yield2/1,
process_status_exiting/1,
otp_4725/1, bad_register/1, garbage_collect/1, otp_6237/1,
@@ -75,7 +76,9 @@ all() ->
process_info_other_dist_msg, process_info_2_list,
process_info_lock_reschedule,
process_info_lock_reschedule2,
- process_info_lock_reschedule3, process_status_exiting,
+ process_info_lock_reschedule3,
+ process_info_garbage_collection,
+ process_status_exiting,
bump_reductions, low_prio, yield, yield2, otp_4725,
bad_register, garbage_collect, process_info_messages,
process_flag_badarg, process_flag_heap_size,
@@ -932,6 +935,48 @@ start_spawner() ->
stop_spawner() ->
ok.
+%% Tests erlang:process_info(Pid, garbage_collection_info)
+process_info_garbage_collection(_Config) ->
+ Parent = self(),
+ Pid = spawn_link(
+ fun() ->
+ receive go -> ok end,
+ (fun F(0) ->
+ Parent ! deep,
+ receive ok -> ok end,
+ [];
+ F(N) ->
+ timer:sleep(1),
+ [lists:seq(1,100) | F(N-1)]
+ end)(1000),
+ Parent ! shallow,
+ receive done -> ok end
+ end),
+ {garbage_collection_info, Before} =
+ erlang:process_info(Pid, garbage_collection_info),
+ Pid ! go, receive deep -> ok end,
+ {_, Deep} = erlang:process_info(Pid, garbage_collection_info),
+ Pid ! ok, receive shallow -> ok end,
+ {_, After} = erlang:process_info(Pid, garbage_collection_info),
+ Pid ! done,
+
+ %% Do some general checks to see if everything seems to be roughly correct
+ ct:log("Before: ~p",[Before]),
+ ct:log("Deep: ~p",[Deep]),
+ ct:log("After: ~p",[After]),
+
+ %% Check stack_size
+ true = proplists:get_value(stack_size, Before) < proplists:get_value(stack_size, Deep),
+ true = proplists:get_value(stack_size, After) < proplists:get_value(stack_size, Deep),
+
+ %% Check used heap size
+ true = proplists:get_value(heap_size, Before) + proplists:get_value(old_heap_size, Before)
+ < proplists:get_value(heap_size, Deep) + proplists:get_value(old_heap_size, Deep),
+ true = proplists:get_value(heap_size, Before) + proplists:get_value(old_heap_size, Before)
+ < proplists:get_value(heap_size, After) + proplists:get_value(old_heap_size, After),
+
+ ok.
+
%% Tests erlang:bump_reductions/1.
bump_reductions(Config) when is_list(Config) ->
erlang:garbage_collect(),
diff --git a/erts/emulator/test/random_iolist.erl b/erts/emulator/test/random_iolist.erl
index 9a0f034e72..6da7da04de 100644
--- a/erts/emulator/test/random_iolist.erl
+++ b/erts/emulator/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/erts/emulator/test/save_calls_SUITE.erl b/erts/emulator/test/save_calls_SUITE.erl
index 544d841f16..810bc07eed 100644
--- a/erts/emulator/test/save_calls_SUITE.erl
+++ b/erts/emulator/test/save_calls_SUITE.erl
@@ -189,7 +189,7 @@ is_local_function(_) ->
% Number crunching for reds test.
carmichaels_below(N) ->
- random:seed(3172,9814,20125),
+ rand:seed(exsplus, {3172,9814,20125}),
carmichaels_below(1,N).
carmichaels_below(N,N2) when N >= N2 ->
@@ -219,7 +219,7 @@ expmod(Base,Exp,Mod) ->
(Base * expmod(Base,Exp - 1,Mod)) rem Mod.
uniform(N) ->
- random:uniform(N-1).
+ rand:uniform(N-1).
fermat(N) ->
R = uniform(N),
diff --git a/erts/emulator/test/system_info_SUITE.erl b/erts/emulator/test/system_info_SUITE.erl
index bee42c07d9..51122e5d55 100644
--- a/erts/emulator/test/system_info_SUITE.erl
+++ b/erts/emulator/test/system_info_SUITE.erl
@@ -185,8 +185,6 @@ wordsize(Config) when is_list(Config) ->
{comment, "True 32-bit emulator"};
{8,8} ->
{comment, "True 64-bit emulator"};
- {8,4} ->
- {comment, "Halfword 64-bit emulator"};
Other ->
exit({unexpected_wordsizes,Other})
end.
diff --git a/erts/emulator/test/system_profile_SUITE.erl b/erts/emulator/test/system_profile_SUITE.erl
index 2ecb4a28a7..6e85f8c54e 100644
--- a/erts/emulator/test/system_profile_SUITE.erl
+++ b/erts/emulator/test/system_profile_SUITE.erl
@@ -534,7 +534,7 @@ run_load(N, Pids) ->
run_load(N - 1, [Pid | Pids]).
list_load() ->
- ok = case math:sin(random:uniform(32451)) of
+ ok = case math:sin(rand:uniform(32451)) of
A when is_float(A) -> ok;
_ -> ok
end,
diff --git a/erts/emulator/test/time_SUITE.erl b/erts/emulator/test/time_SUITE.erl
index 787870588d..9bf3b90d91 100644
--- a/erts/emulator/test/time_SUITE.erl
+++ b/erts/emulator/test/time_SUITE.erl
@@ -69,7 +69,7 @@
init_per_testcase(Func, Config) when is_atom(Func), is_list(Config) ->
[{testcase, Func}|Config].
-end_per_testcase(_Func, Config) ->
+end_per_testcase(_Func, _Config) ->
ok.
suite() -> [{ct_hooks,[ts_install_cth]}].
@@ -776,25 +776,21 @@ chk_strc(Res0, Res1) ->
ok.
chk_random_values(FR, TR) ->
-% case (FR rem TR == 0) orelse (TR rem FR == 0) of
-% true ->
- io:format("rand values ~p -> ~p~n", [FR, TR]),
- random:seed(268438039, 268440479, 268439161),
- Values = lists:map(fun (_) -> random:uniform(1 bsl 65) - (1 bsl 64) end,
- lists:seq(1, 100000)),
- CheckFun = fun (V) ->
- CV = erlang:convert_time_unit(V, FR, TR),
- case {(FR*CV) div TR =< V,
- (FR*(CV+1)) div TR >= V} of
- {true, true} ->
- ok;
- Failure ->
- ?t:fail({Failure, CV, V, FR, TR})
- end
- end,
- lists:foreach(CheckFun, Values).%;
-% false -> ok
-% end.
+ io:format("rand values ~p -> ~p~n", [FR, TR]),
+ rand:seed(exsplus, {268438039,268440479,268439161}),
+ Values = lists:map(fun (_) -> rand:uniform(1 bsl 65) - (1 bsl 64) end,
+ lists:seq(1, 100000)),
+ CheckFun = fun (V) ->
+ CV = erlang:convert_time_unit(V, FR, TR),
+ case {(FR*CV) div TR =< V,
+ (FR*(CV+1)) div TR >= V} of
+ {true, true} ->
+ ok;
+ Failure ->
+ ?t:fail({Failure, CV, V, FR, TR})
+ end
+ end,
+ lists:foreach(CheckFun, Values).
chk_values_per_value(_FromRes, _ToRes,
diff --git a/erts/emulator/test/trace_SUITE.erl b/erts/emulator/test/trace_SUITE.erl
index 6eae182e45..00b90e3c3d 100644
--- a/erts/emulator/test/trace_SUITE.erl
+++ b/erts/emulator/test/trace_SUITE.erl
@@ -933,7 +933,7 @@ suspend_exit(suite) ->
[];
suspend_exit(Config) when is_list(Config) ->
?line Dog = test_server:timetrap(test_server:minutes(2)),
- ?line random:seed(4711,17,4711),
+ rand:seed(exsplus, {4711,17,4711}),
?line do_suspend_exit(5000),
?line test_server:timetrap_cancel(Dog),
?line ok.
@@ -941,7 +941,7 @@ suspend_exit(Config) when is_list(Config) ->
do_suspend_exit(0) ->
?line ok;
do_suspend_exit(N) ->
- ?line Work = random:uniform(50),
+ Work = rand:uniform(50),
?line Parent = self(),
?line {Suspendee, Mon2}
= spawn_monitor(fun () ->
diff --git a/erts/emulator/test/z_SUITE.erl b/erts/emulator/test/z_SUITE.erl
index f4d9030255..abc353fb01 100644
--- a/erts/emulator/test/z_SUITE.erl
+++ b/erts/emulator/test/z_SUITE.erl
@@ -249,6 +249,7 @@ pollset_size(Config) when is_list(Config) ->
?line io:format("Initial: ~p~nFinal: ~p~n", [InitChkIo, FinChkIo]),
?line InitPollsetSize = lists:keysearch(total_poll_set_size, 1, InitChkIo),
?line FinPollsetSize = lists:keysearch(total_poll_set_size, 1, FinChkIo),
+ HasGethost = case has_gethost() of true -> 1; _ -> 0 end,
?line case InitPollsetSize =:= FinPollsetSize of
true ->
case InitPollsetSize of
@@ -269,7 +270,7 @@ pollset_size(Config) when is_list(Config) ->
= InitPollsetSize,
?line {value, {total_poll_set_size, FinSize}}
= FinPollsetSize,
- ?line true = FinSize < InitSize,
+ ?line true = FinSize < (InitSize + HasGethost),
?line true = 2 =< FinSize,
?line {comment,
"Start pollset size: "
@@ -289,16 +290,39 @@ check_io_debug(Config) when is_list(Config) ->
end.
check_io_debug_test() ->
- ?line erlang:display(get_check_io_info()),
- ?line erts_debug:set_internal_state(available_internal_state, true),
- ?line {NoErrorFds, NoUsedFds, NoDrvSelStructs, NoDrvEvStructs}
+ erlang:display(get_check_io_info()),
+ erts_debug:set_internal_state(available_internal_state, true),
+ {NoErrorFds, NoUsedFds, NoDrvSelStructs, NoDrvEvStructs} = CheckIoDebug
= erts_debug:get_internal_state(check_io_debug),
- ?line erts_debug:set_internal_state(available_internal_state, false),
- ?line 0 = NoErrorFds,
- ?line NoUsedFds = NoDrvSelStructs,
+ erts_debug:set_internal_state(available_internal_state, false),
+ HasGetHost = has_gethost(),
+ ct:log("check_io_debug: ~p~n"
+ "HasGetHost: ~p",[CheckIoDebug, HasGetHost]),
+ 0 = NoErrorFds,
+ if
+ NoUsedFds == NoDrvSelStructs ->
+ ok;
+ HasGetHost andalso (NoUsedFds == (NoDrvSelStructs - 1)) ->
+ %% If the inet_gethost port is alive, we may have
+ %% one extra used fd that is not selected on.
+ %% This happens when the initial setup of the
+ %% port returns an EAGAIN
+ ok
+ end,
?line 0 = NoDrvEvStructs,
?line ok.
+has_gethost() ->
+ has_gethost(erlang:ports()).
+has_gethost([P|T]) ->
+ case erlang:port_info(P, name) of
+ {name,"inet_gethost"++_} ->
+ true;
+ _ ->
+ has_gethost(T)
+ end;
+has_gethost([]) ->
+ false.
%%