aboutsummaryrefslogtreecommitdiffstats
path: root/erts/emulator/test/binary_SUITE.erl
diff options
context:
space:
mode:
Diffstat (limited to 'erts/emulator/test/binary_SUITE.erl')
-rw-r--r--erts/emulator/test/binary_SUITE.erl381
1 files changed, 318 insertions, 63 deletions
diff --git a/erts/emulator/test/binary_SUITE.erl b/erts/emulator/test/binary_SUITE.erl
index 374f91e487..4fb339926e 100644
--- a/erts/emulator/test/binary_SUITE.erl
+++ b/erts/emulator/test/binary_SUITE.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1997-2017. All Rights Reserved.
+%% Copyright Ericsson AB 1997-2018. 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.
@@ -40,6 +40,7 @@
%%
-include_lib("common_test/include/ct.hrl").
+-include_lib("common_test/include/ct_event.hrl").
-export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1,
init_per_group/2,end_per_group/2,
@@ -48,7 +49,16 @@
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_iolist_size_huge_list/1,
+ t_iolist_size_huge_bad_arg_list/1,
+ t_iolist_size_shallow_trapping/1,
+ t_iolist_size_shallow_short_lists/1,
+ t_iolist_size_shallow_tiny_lists/1,
+ t_iolist_size_deep_trapping/1,
+ t_iolist_size_deep_short_lists/1,
+ t_iolist_size_deep_tiny_lists/1,
t_hash/1,
bad_size/1,
bad_term_to_binary/1,
@@ -57,9 +67,12 @@
otp_5484/1,otp_5933/1,
ordering/1,unaligned_order/1,gc_test/1,
bit_sized_binary_sizes/1,
- otp_6817/1,deep/1,obsolete_funs/1,robustness/1,otp_8117/1,
+ otp_6817/1,deep/1,
+ term2bin_tuple_fallbacks/1,
+ robustness/1,otp_8117/1,
otp_8180/1, trapping/1, large/1,
- error_after_yield/1, cmp_old_impl/1]).
+ error_after_yield/1, cmp_old_impl/1,
+ t2b_system_limit/1]).
%% Internal exports.
-export([sleeper/0,trapping_loop/4]).
@@ -67,27 +80,56 @@
suite() -> [{ct_hooks,[ts_install_cth]},
{timetrap,{minutes,4}}].
-all() ->
+all() ->
[copy_terms, conversions, deep_lists, deep_bitstr_lists,
t_split_binary, bad_split,
bad_list_to_binary, bad_binary_to_list, terms,
terms_float, float_middle_endian, external_size, t_iolist_size,
+ t_iolist_size_huge_list,
+ t_iolist_size_huge_bad_arg_list,
+ {group, iolist_size_benchmarks},
+ 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,
+ bad_term_to_binary, t2b_system_limit, more_bad_terms,
+ otp_5484, otp_5933,
ordering, unaligned_order, gc_test,
bit_sized_binary_sizes, otp_6817, otp_8117, deep,
- obsolete_funs, robustness, otp_8180, trapping, large,
+ term2bin_tuple_fallbacks,
+ robustness, otp_8180, trapping, large,
error_after_yield, cmp_old_impl].
groups() ->
- [].
+ [
+ {
+ iolist_size_benchmarks,
+ [],
+ [t_iolist_size_shallow_trapping,
+ t_iolist_size_shallow_short_lists,
+ t_iolist_size_shallow_tiny_lists,
+ t_iolist_size_deep_trapping,
+ t_iolist_size_deep_short_lists,
+ t_iolist_size_deep_tiny_lists
+ ]
+ }
+ ].
init_per_suite(Config) ->
+ A0 = case application:start(sasl) of
+ ok -> [sasl];
+ _ -> []
+ end,
+ A = case application:start(os_mon) of
+ ok -> [os_mon|A0];
+ _ -> A0
+ end,
+ [{started_apps, A}|Config].
+
+end_per_suite(Config) ->
+ As = proplists:get_value(started_apps, Config),
+ lists:foreach(fun (A) -> application:stop(A) end, As),
Config.
-end_per_suite(_Config) ->
- ok.
init_per_group(_GroupName, Config) ->
Config.
@@ -422,44 +464,129 @@ bad_term_to_binary(Config) when is_list(Config) ->
ok.
+t2b_system_limit(Config) when is_list(Config) ->
+ case erlang:system_info(wordsize) of
+ 8 ->
+ case proplists:get_value(system_total_memory,
+ memsup:get_system_memory_data()) of
+ Memory when is_integer(Memory),
+ Memory > 6*1024*1024*1024 ->
+ test_t2b_system_limit(),
+ garbage_collect(),
+ ok;
+ _ ->
+ {skipped, "Not enough memory on this machine"}
+ end;
+ 4 ->
+ {skipped, "Only interesting on 64-bit builds"}
+ end.
+
+test_t2b_system_limit() ->
+ io:format("Creating HugeBin~n", []),
+ Bits = ((1 bsl 32)+1)*8,
+ HugeBin = <<0:Bits>>,
+
+ io:format("Testing term_to_binary(HugeBin)~n", []),
+ {'EXIT',{system_limit,[{erlang,term_to_binary,
+ [HugeBin],
+ _} |_]}} = (catch term_to_binary(HugeBin)),
+
+ io:format("Testing term_to_binary(HugeBin, [compressed])~n", []),
+ {'EXIT',{system_limit,[{erlang,term_to_binary,
+ [HugeBin, [compressed]],
+ _} |_]}} = (catch term_to_binary(HugeBin, [compressed])),
+
+ %% Check that it works also after we have trapped...
+ io:format("Creating HugeListBin~n", []),
+ HugeListBin = [lists:duplicate(2000000,2000000), HugeBin],
+
+ io:format("Testing term_to_binary(HugeListBin)~n", []),
+ {'EXIT',{system_limit,[{erlang,term_to_binary,
+ [HugeListBin],
+ _} |_]}} = (catch term_to_binary(HugeListBin)),
+
+ io:format("Testing term_to_binary(HugeListBin, [compressed])~n", []),
+ {'EXIT',{system_limit,[{erlang,term_to_binary,
+ [HugeListBin, [compressed]],
+ _} |_]}} = (catch term_to_binary(HugeListBin, [compressed])),
+
+ ok.
+
%% Tests binary_to_term/1 and term_to_binary/1.
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),
@@ -573,6 +700,143 @@ build_iolist(N0, Base) ->
[47,L,L|Seq]
end.
+approx_4GB_bin() ->
+ Bin = lists:duplicate(4194304, 255),
+ BinRet = erlang:iolist_to_binary(lists:duplicate(1124, Bin)),
+ BinRet.
+
+duplicate_iolist(IOList, 0) ->
+ IOList;
+duplicate_iolist(IOList, NrOfTimes) ->
+ duplicate_iolist([IOList, IOList], NrOfTimes - 1).
+
+t_iolist_size_huge_list(Config) when is_list(Config) ->
+ run_when_enough_resources(
+ fun() ->
+ {TimeToCreateIOList, IOList} = timer:tc(fun()->duplicate_iolist(approx_4GB_bin(), 32) end),
+ {IOListSizeTime, CalculatedSize} = timer:tc(fun()->erlang:iolist_size(IOList) end),
+ 20248183924657750016 = CalculatedSize,
+ {comment, io_lib:format("Time to create iolist: ~f s. Time to calculate size: ~f s.",
+ [TimeToCreateIOList / 1000000, IOListSizeTime / 1000000])}
+ end).
+
+t_iolist_size_huge_bad_arg_list(Config) when is_list(Config) ->
+ run_when_enough_resources(
+ fun() ->
+ P = self(),
+ spawn_link(fun()-> IOListTmp = duplicate_iolist(approx_4GB_bin(), 32),
+ IOList = [IOListTmp, [badarg]],
+ {'EXIT',{badarg,_}} = (catch erlang:iolist_size(IOList)),
+ P ! ok
+ end),
+ receive ok -> ok end
+ end).
+
+%% iolist_size tests for shallow lists
+
+t_iolist_size_shallow_trapping(Config) when is_list(Config) ->
+ Lengths = [2000, 20000, 200000, 200000, 2000000, 20000000],
+ run_iolist_size_test_and_benchmark(Lengths, fun make_shallow_iolist/2).
+
+t_iolist_size_shallow_short_lists(Config) when is_list(Config) ->
+ Lengths = lists:duplicate(15000, 300),
+ run_iolist_size_test_and_benchmark(Lengths, fun make_shallow_iolist/2).
+
+t_iolist_size_shallow_tiny_lists(Config) when is_list(Config) ->
+ Lengths = lists:duplicate(250000, 18),
+ run_iolist_size_test_and_benchmark(Lengths, fun make_shallow_iolist/2).
+
+make_shallow_iolist(SizeDiv2, LastItem) ->
+ lists:map(
+ fun(I) ->
+ case I of
+ SizeDiv2 -> [1, LastItem];
+ _ -> [1, 1]
+ end
+ end,
+ lists:seq(1, SizeDiv2)).
+
+%% iolist_size tests for deep lists
+
+t_iolist_size_deep_trapping(Config) when is_list(Config) ->
+ Lengths = [2000, 20000, 200000, 200000, 2000000, 10000000],
+ run_iolist_size_test_and_benchmark(Lengths, fun make_deep_iolist/2).
+
+t_iolist_size_deep_short_lists(Config) when is_list(Config) ->
+ Lengths = lists:duplicate(10000, 300),
+ run_iolist_size_test_and_benchmark(Lengths, fun make_deep_iolist/2).
+
+t_iolist_size_deep_tiny_lists(Config) when is_list(Config) ->
+ Lengths = lists:duplicate(150000, 18),
+ run_iolist_size_test_and_benchmark(Lengths, fun make_deep_iolist/2).
+
+make_deep_iolist(1, LastItem) ->
+ [1, LastItem];
+make_deep_iolist(Depth, LastItem) ->
+ [[1, 1], make_deep_iolist(Depth - 1, LastItem)].
+
+% Helper functions for iolist_size tests
+
+run_iolist_size_test_and_benchmark(Lengths, ListGenerator) ->
+ run_when_enough_resources(
+ fun() ->
+ GoodListsWithSizes =
+ lists:map(fun(Length) -> {Length*2, ListGenerator(Length, 1)} end, Lengths),
+ BadListsWithSizes =
+ lists:map(fun(Length) -> {Length*2, ListGenerator(Length, bad)} end, Lengths),
+ erlang:garbage_collect(),
+ report_throughput(
+ fun() ->
+ lists:foreach(
+ fun(_)->
+ lists:foreach(
+ fun({Size, List}) -> Size = iolist_size(List) end,
+ GoodListsWithSizes),
+ lists:foreach(
+ fun({_, List}) -> {'EXIT',_} = (catch (iolist_size(List))) end,
+ BadListsWithSizes)
+ end,
+ lists:seq(1,3))
+ end,
+ lists:sum(Lengths)*4)
+ end).
+
+report_throughput(Fun, NrOfItems) ->
+ Parent = self(),
+ spawn(fun() -> Parent ! timer:tc(Fun) end),
+ {Time, _} = receive D -> D end,
+ ItemsPerMicrosecond = NrOfItems / Time,
+ ct_event:notify(#event{ name = benchmark_data, data = [{value, ItemsPerMicrosecond}]}),
+ {comment, io_lib:format("Items per microsecond: ~p, Nr of items: ~p, Benchmark time: ~p seconds)",
+ [ItemsPerMicrosecond, NrOfItems, Time/1000000])}.
+
+total_memory() ->
+ %% Total memory in GB.
+ try
+ MemoryData = memsup:get_system_memory_data(),
+ case lists:keysearch(total_memory, 1, MemoryData) of
+ {value, {total_memory, TM}} ->
+ TM div (1024*1024*1024);
+ false ->
+ {value, {system_total_memory, STM}} =
+ lists:keysearch(system_total_memory, 1, MemoryData),
+ STM div (1024*1024*1024)
+ end
+ catch
+ _ : _ ->
+ undefined
+ end.
+
+run_when_enough_resources(Fun) ->
+ case {total_memory(), erlang:system_info(wordsize)} of
+ {Mem, 8} when is_integer(Mem) andalso Mem >= 15 ->
+ Fun();
+ {Mem, WordSize} ->
+ {skipped,
+ io_lib:format("Not enough resources (System Memory >= ~p, Word Size = ~p)",
+ [Mem, WordSize])}
+ end.
+
%% OTP-4053
bad_binary_to_term_2(Config) when is_list(Config) ->
@@ -1161,7 +1425,7 @@ very_big_num(0, Result) ->
Result.
make_port() ->
- open_port({spawn, efile}, [eof]).
+ hd(erlang:ports()).
make_pid() ->
spawn_link(?MODULE, sleeper, []).
@@ -1262,40 +1526,28 @@ deep_roundtrip(T) ->
B = term_to_binary(T),
T = binary_to_term(B).
-obsolete_funs(Config) when is_list(Config) ->
+term2bin_tuple_fallbacks(Config) when is_list(Config) ->
erts_debug:set_internal_state(available_internal_state, true),
- X = id({1,2,3}),
- Y = id([a,b,c,d]),
- Z = id({x,y,z}),
- obsolete_fun(fun() -> ok end),
- obsolete_fun(fun() -> X end),
- obsolete_fun(fun(A) -> {A,X} end),
- obsolete_fun(fun() -> {X,Y} end),
- obsolete_fun(fun() -> {X,Y,Z} end),
-
- obsolete_fun(fun ?MODULE:all/1),
+ term2bin_tf(fun ?MODULE:all/1),
+ term2bin_tf(<<1:1>>),
+ term2bin_tf(<<90,80:7>>),
erts_debug:set_internal_state(available_internal_state, false),
ok.
-obsolete_fun(Fun) ->
- Tuple = case erlang:fun_info(Fun, type) of
- {type,external} ->
- {module,M} = erlang:fun_info(Fun, module),
- {name,F} = erlang:fun_info(Fun, name),
- {M,F};
- {type,local} ->
- {module,M} = erlang:fun_info(Fun, module),
- {index,I} = erlang:fun_info(Fun, index),
- {uniq,U} = erlang:fun_info(Fun, uniq),
- {env,E} = erlang:fun_info(Fun, env),
- {'fun',M,I,U,list_to_tuple(E)}
- end,
- Tuple = no_fun_roundtrip(Fun).
-
-no_fun_roundtrip(Term) ->
- binary_to_term_stress(erts_debug:get_internal_state({term_to_binary_no_funs,Term})).
+term2bin_tf(Term) ->
+ Tuple = case Term of
+ Fun when is_function(Fun) ->
+ {type, external} = erlang:fun_info(Fun, type),
+ {module,M} = erlang:fun_info(Fun, module),
+ {name,F} = erlang:fun_info(Fun, name),
+ {M,F};
+ BS when bit_size(BS) rem 8 =/= 0 ->
+ Bits = bit_size(BS) rem 8,
+ {<<BS/bitstring, 0:(8-Bits)>>, Bits}
+ end,
+ Tuple = binary_to_term_stress(erts_debug:get_internal_state({term_to_binary_tuple_fallbacks,Term})).
%% Test non-standard encodings never generated by term_to_binary/1
%% but recognized by binary_to_term/1.
@@ -1443,13 +1695,13 @@ error_after_yield(Type, M, F, AN, AFun, TrapFunc) ->
apply(M, F, A),
exit({unexpected_success, {M, F, A}})
catch
- error:Type ->
+ error:Type:Stk ->
erlang:trace(self(),false,[running,{tracer,Tracer}]),
%% We threw the exception from the native
%% function we trapped to, but we want
%% the BIF that originally was called
%% to appear in the stack trace.
- [{M, F, A, _} | _] = erlang:get_stacktrace()
+ [{M, F, A, _} | _] = Stk
end
end),
receive
@@ -1501,13 +1753,16 @@ error_after_yield_bad_ext_term() ->
BadAtomExt]). %% Invalid atom at the end
cmp_old_impl(Config) when is_list(Config) ->
- %% Compare results from new yielding implementations with
- %% old non yielding implementations
+ %% This test was originally a comparison with the non yielding
+ %% implementation in R16B. Since OTP 22 we can't talk distribution with such
+ %% old nodes (< 19). The test case it kept but compares with previous major
+ %% version for semantic regression test.
Cookie = atom_to_list(erlang:get_cookie()),
- Rel = "r16b_latest",
+ Rel = (integer_to_list(list_to_integer(erlang:system_info(otp_release)) - 1)
+ ++ "_latest"),
case test_server:is_release_available(Rel) of
false ->
- {skipped, "No "++Rel++" available"};
+ {skipped, "No OTP "++Rel++" available"};
true ->
{ok, Node} = test_server:start_node(list_to_atom(atom_to_list(?MODULE)++"_"++Rel),
peer,