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-rw-r--r--erts/emulator/test/binary_SUITE.erl77
-rw-r--r--erts/emulator/test/distribution_SUITE.erl64
-rw-r--r--erts/emulator/test/receive_SUITE.erl62
3 files changed, 145 insertions, 58 deletions
diff --git a/erts/emulator/test/binary_SUITE.erl b/erts/emulator/test/binary_SUITE.erl
index 61536bacd7..cbc2d8fae5 100644
--- a/erts/emulator/test/binary_SUITE.erl
+++ b/erts/emulator/test/binary_SUITE.erl
@@ -48,6 +48,7 @@
bad_list_to_binary/1, bad_binary_to_list/1,
t_split_binary/1, bad_split/1,
terms/1, terms_float/1, float_middle_endian/1,
+ b2t_used_big/1,
external_size/1, t_iolist_size/1,
t_hash/1,
bad_size/1,
@@ -72,6 +73,7 @@ all() ->
t_split_binary, bad_split,
bad_list_to_binary, bad_binary_to_list, terms,
terms_float, float_middle_endian, external_size, t_iolist_size,
+ b2t_used_big,
bad_binary_to_term_2, safe_binary_to_term2,
bad_binary_to_term, bad_terms, t_hash, bad_size,
bad_term_to_binary, more_bad_terms, otp_5484, otp_5933,
@@ -425,40 +427,77 @@ bad_term_to_binary(Config) when is_list(Config) ->
terms(Config) when is_list(Config) ->
TestFun = fun(Term) ->
- try
- S = io_lib:format("~p", [Term]),
- io:put_chars(S)
- catch
- error:badarg ->
- io:put_chars("bit sized binary")
- end,
+ S = io_lib:format("~p", [Term]),
+ io:put_chars(S),
Bin = term_to_binary(Term),
case erlang:external_size(Bin) of
Sz when is_integer(Sz), size(Bin) =< Sz ->
ok
end,
- Bin1 = term_to_binary(Term, [{minor_version, 1}]),
- case erlang:external_size(Bin1, [{minor_version, 1}]) of
- Sz1 when is_integer(Sz1), size(Bin1) =< Sz1 ->
- ok
- end,
+ Bin1 = term_to_binary(Term, [{minor_version, 1}]),
+ case erlang:external_size(Bin1, [{minor_version, 1}]) of
+ Sz1 when is_integer(Sz1), size(Bin1) =< Sz1 ->
+ ok
+ end,
Term = binary_to_term_stress(Bin),
Term = binary_to_term_stress(Bin, [safe]),
- Unaligned = make_unaligned_sub_binary(Bin),
- Term = binary_to_term_stress(Unaligned),
- Term = binary_to_term_stress(Unaligned, []),
- Term = binary_to_term_stress(Bin, [safe]),
+ Bin_sz = byte_size(Bin),
+ {Term,Bin_sz} = binary_to_term_stress(Bin, [used]),
+
+ BinE = <<Bin/binary, 1, 2, 3>>,
+ {Term,Bin_sz} = binary_to_term_stress(BinE, [used]),
+
+ BinU = make_unaligned_sub_binary(Bin),
+ Term = binary_to_term_stress(BinU),
+ Term = binary_to_term_stress(BinU, []),
+ Term = binary_to_term_stress(BinU, [safe]),
+ {Term,Bin_sz} = binary_to_term_stress(BinU, [used]),
+
+ BinUE = make_unaligned_sub_binary(BinE),
+ {Term,Bin_sz} = binary_to_term_stress(BinUE, [used]),
+
BinC = erlang:term_to_binary(Term, [compressed]),
+ BinC_sz = byte_size(BinC),
+ true = BinC_sz =< size(Bin),
Term = binary_to_term_stress(BinC),
- true = size(BinC) =< size(Bin),
+ {Term, BinC_sz} = binary_to_term_stress(BinC, [used]),
+
Bin = term_to_binary(Term, [{compressed,0}]),
terms_compression_levels(Term, size(Bin), 1),
- UnalignedC = make_unaligned_sub_binary(BinC),
- Term = binary_to_term_stress(UnalignedC)
+
+ BinUC = make_unaligned_sub_binary(BinC),
+ Term = binary_to_term_stress(BinUC),
+ {Term,BinC_sz} = binary_to_term_stress(BinUC, [used]),
+
+ BinCE = <<BinC/binary, 1, 2, 3>>,
+ {Term,BinC_sz} = binary_to_term_stress(BinCE, [used]),
+
+ BinUCE = make_unaligned_sub_binary(BinCE),
+ Term = binary_to_term_stress(BinUCE),
+ {Term,BinC_sz} = binary_to_term_stress(BinUCE, [used])
end,
test_terms(TestFun),
ok.
+%% Test binary_to_term(_, [used]) returning a big Used integer.
+b2t_used_big(_Config) ->
+ case erlang:system_info(wordsize) of
+ 8 ->
+ {skipped, "This is not a 32-bit machine"};
+ 4 ->
+ %% Use a long utf8 atom for large external format but compact on heap.
+ BigAtom = binary_to_atom(<< <<16#F0908D88:32>> || _ <- lists:seq(1,255) >>,
+ utf8),
+ Atoms = (1 bsl 17) + (1 bsl 9),
+ BigAtomList = lists:duplicate(Atoms, BigAtom),
+ BigBin = term_to_binary(BigAtomList),
+ {BigAtomList, Used} = binary_to_term(BigBin, [used]),
+ 2 = erts_debug:size(Used),
+ Used = byte_size(BigBin),
+ Used = 1 + 1 + 4 + Atoms*(1+2+4*255) + 1,
+ ok
+ end.
+
terms_compression_levels(Term, UncompressedSz, Level) when Level < 10 ->
BinC = erlang:term_to_binary(Term, [{compressed,Level}]),
Term = binary_to_term_stress(BinC),
diff --git a/erts/emulator/test/distribution_SUITE.erl b/erts/emulator/test/distribution_SUITE.erl
index 2d0ae9c83e..e2914cbc92 100644
--- a/erts/emulator/test/distribution_SUITE.erl
+++ b/erts/emulator/test/distribution_SUITE.erl
@@ -1365,81 +1365,59 @@ bad_dist_structure(Config) when is_list(Config) ->
start_monitor(Offender,P),
P ! one,
send_bad_structure(Offender, P,{?DOP_MONITOR_P_EXIT,'replace',P,normal},2),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
+
start_monitor(Offender,P),
send_bad_structure(Offender, P,{?DOP_MONITOR_P_EXIT,'replace',P,normal,normal},2),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
+
start_link(Offender,P),
send_bad_structure(Offender, P,{?DOP_LINK},0),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
+
start_link(Offender,P),
send_bad_structure(Offender, P,{?DOP_UNLINK,'replace'},2),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
+
start_link(Offender,P),
send_bad_structure(Offender, P,{?DOP_UNLINK,'replace',make_ref()},2),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
+
start_link(Offender,P),
send_bad_structure(Offender, P,{?DOP_UNLINK,make_ref(),P},0),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
+
start_link(Offender,P),
send_bad_structure(Offender, P,{?DOP_UNLINK,normal,normal},0),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
+
start_monitor(Offender,P),
send_bad_structure(Offender, P,{?DOP_MONITOR_P,'replace',P},2),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
+
start_monitor(Offender,P),
send_bad_structure(Offender, P,{?DOP_MONITOR_P,'replace',P,normal},2),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
+
start_monitor(Offender,P),
send_bad_structure(Offender, P,{?DOP_DEMONITOR_P,'replace',P},2),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
+
start_monitor(Offender,P),
send_bad_structure(Offender, P,{?DOP_DEMONITOR_P,'replace',P,normal},2),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
+
send_bad_structure(Offender, P,{?DOP_EXIT,'replace',P},2),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
send_bad_structure(Offender, P,{?DOP_EXIT,make_ref(),normal,normal},0),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
send_bad_structure(Offender, P,{?DOP_EXIT_TT,'replace',token,P},2),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
send_bad_structure(Offender, P,{?DOP_EXIT_TT,make_ref(),token,normal,normal},0),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
send_bad_structure(Offender, P,{?DOP_EXIT2,'replace',P},2),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
send_bad_structure(Offender, P,{?DOP_EXIT2,make_ref(),normal,normal},0),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
send_bad_structure(Offender, P,{?DOP_EXIT2_TT,'replace',token,P},2),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
send_bad_structure(Offender, P,{?DOP_EXIT2_TT,make_ref(),token,normal,normal},0),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
send_bad_structure(Offender, P,{?DOP_GROUP_LEADER,'replace'},2),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
send_bad_structure(Offender, P,{?DOP_GROUP_LEADER,'replace','atomic'},2),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
send_bad_structure(Offender, P,{?DOP_GROUP_LEADER,'replace',P},0),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
send_bad_structure(Offender, P,{?DOP_REG_SEND_TT,'replace','',name},2,{message}),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
send_bad_structure(Offender, P,{?DOP_REG_SEND_TT,'replace','',name,token},0,{message}),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
send_bad_structure(Offender, P,{?DOP_REG_SEND,'replace',''},2,{message}),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
send_bad_structure(Offender, P,{?DOP_REG_SEND,'replace','',P},0,{message}),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
send_bad_structure(Offender, P,{?DOP_REG_SEND,'replace','',name},0,{message}),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
send_bad_structure(Offender, P,{?DOP_REG_SEND,'replace','',name,{token}},2,{message}),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
send_bad_structure(Offender, P,{?DOP_SEND_TT,'',P},0,{message}),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
send_bad_structure(Offender, P,{?DOP_SEND_TT,'',name,token},0,{message}),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
send_bad_structure(Offender, P,{?DOP_SEND,''},0,{message}),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
send_bad_structure(Offender, P,{?DOP_SEND,'',name},0,{message}),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
send_bad_structure(Offender, P,{?DOP_SEND,'',P,{token}},0,{message}),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
P ! two,
P ! check_msgs,
receive
@@ -1685,13 +1663,16 @@ bad_dist_ext_size(Config) when is_list(Config) ->
start_node_monitors([Offender,Victim]),
Parent = self(),
- P = spawn_link(Victim,
+ P = spawn_opt(Victim,
fun () ->
Parent ! {self(), started},
receive check_msgs -> ok end, %% DID CRASH HERE
bad_dist_ext_check_msgs([one]),
Parent ! {self(), messages_checked}
- end),
+ end,
+ [link,
+ %% on_heap to force total_heap_size to inspect msg queue
+ {message_queue_data, on_heap}]),
receive {P, started} -> ok end,
P ! one,
@@ -1714,6 +1695,7 @@ bad_dist_ext_size(Config) when is_list(Config) ->
verify_still_up(Offender, Victim),
+ %% Let process_info(P, total_heap_size) find bad msg and disconnect
rpc:call(Victim, erlang, process_info, [P, total_heap_size]),
verify_down(Offender, connection_closed, Victim, killed),
@@ -1795,10 +1777,11 @@ send_bad_structure(Offender,Victim,Bad,WhereToPutSelf) ->
send_bad_structure(Offender,Victim,Bad,WhereToPutSelf,PayLoad) ->
Parent = self(),
Done = make_ref(),
- spawn(Offender,
+ spawn_link(Offender,
fun () ->
Node = node(Victim),
pong = net_adm:ping(Node),
+ erlang:monitor_node(Node, true),
DCtrl = dctrl(Node),
Bad1 = case WhereToPutSelf of
0 ->
@@ -1812,7 +1795,16 @@ send_bad_structure(Offender,Victim,Bad,WhereToPutSelf,PayLoad) ->
[] -> [];
_Other -> [dmsg_ext(PayLoad)]
end,
+
+ receive {nodedown, Node} -> exit("premature nodedown")
+ after 10 -> ok
+ end,
+
dctrl_send(DCtrl, DData),
+
+ receive {nodedown, Node} -> ok
+ after 5000 -> exit("missing nodedown")
+ end,
Parent ! {DData,Done}
end),
receive
diff --git a/erts/emulator/test/receive_SUITE.erl b/erts/emulator/test/receive_SUITE.erl
index a12019ec83..1fe11428b4 100644
--- a/erts/emulator/test/receive_SUITE.erl
+++ b/erts/emulator/test/receive_SUITE.erl
@@ -25,14 +25,16 @@
-include_lib("common_test/include/ct.hrl").
-export([all/0, suite/0,
- call_with_huge_message_queue/1,receive_in_between/1]).
+ call_with_huge_message_queue/1,receive_in_between/1,
+ receive_opt_exception/1,receive_opt_recursion/1]).
suite() ->
[{ct_hooks,[ts_install_cth]},
{timetrap, {minutes, 3}}].
-all() ->
- [call_with_huge_message_queue, receive_in_between].
+all() ->
+ [call_with_huge_message_queue, receive_in_between,
+ receive_opt_exception, receive_opt_recursion].
call_with_huge_message_queue(Config) when is_list(Config) ->
Pid = spawn_link(fun echo_loop/0),
@@ -113,6 +115,60 @@ receive_one() ->
dummy -> ok
end.
+receive_opt_exception(_Config) ->
+ Recurse = fun() ->
+ %% Overwrite with the same mark,
+ %% and never consume it.
+ ThrowFun = fun() -> throw(aborted) end,
+ aborted = (catch do_receive_opt_exception(ThrowFun)),
+ ok
+ end,
+ do_receive_opt_exception(Recurse),
+
+ %% Eat the second message.
+ receive
+ Ref when is_reference(Ref) -> ok
+ end.
+
+do_receive_opt_exception(Disturber) ->
+ %% Create a receive mark.
+ Ref = make_ref(),
+ self() ! Ref,
+ Disturber(),
+ receive
+ Ref ->
+ ok
+ after 0 ->
+ error(the_expected_message_was_not_there)
+ end.
+
+receive_opt_recursion(_Config) ->
+ Recurse = fun() ->
+ %% Overwrite with the same mark,
+ %% and never consume it.
+ NoOp = fun() -> ok end,
+ BlackHole = spawn(NoOp),
+ expected = do_receive_opt_recursion(BlackHole, NoOp, true),
+ ok
+ end,
+ do_receive_opt_recursion(self(), Recurse, false),
+ ok.
+
+do_receive_opt_recursion(Recipient, Disturber, IsInner) ->
+ Ref = make_ref(),
+ Recipient ! Ref,
+ Disturber(),
+ receive
+ Ref -> ok
+ after 0 ->
+ case IsInner of
+ true ->
+ expected;
+ false ->
+ error(the_expected_message_was_not_there)
+ end
+ end.
+
%%%
%%% Common helpers.
%%%