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-rw-r--r--erts/emulator/test/map_SUITE.erl743
1 files changed, 535 insertions, 208 deletions
diff --git a/erts/emulator/test/map_SUITE.erl b/erts/emulator/test/map_SUITE.erl
index 1a89101916..02f3c89318 100644
--- a/erts/emulator/test/map_SUITE.erl
+++ b/erts/emulator/test/map_SUITE.erl
@@ -17,72 +17,72 @@
%% %CopyrightEnd%
%%
-module(map_SUITE).
--export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1,
- init_per_group/2,end_per_group/2
- ]).
-
--export([
- t_build_and_match_literals/1, t_build_and_match_literals_large/1,
- t_update_literals/1, t_update_literals_large/1,
- t_match_and_update_literals/1, t_match_and_update_literals_large/1,
- t_update_map_expressions/1,
- t_update_assoc/1, t_update_assoc_large/1,
- t_update_exact/1, t_update_exact_large/1,
- t_guard_bifs/1,
- t_guard_sequence/1, t_guard_sequence_large/1,
- t_guard_update/1, t_guard_update_large/1,
- t_guard_receive/1, t_guard_receive_large/1,
- t_guard_fun/1,
- t_update_deep/1,
- t_list_comprehension/1,
- t_map_sort_literals/1,
- t_map_equal/1,
- t_map_compare/1,
- t_map_size/1,
- t_is_map/1,
-
- %% Specific Map BIFs
- t_bif_map_get/1,
- t_bif_map_find/1,
- t_bif_map_is_key/1,
- t_bif_map_keys/1,
- t_bif_map_merge/1,
- t_bif_map_new/1,
- t_bif_map_put/1,
- t_bif_map_remove/1,
- t_bif_map_update/1,
- t_bif_map_values/1,
- t_bif_map_to_list/1,
- t_bif_map_from_list/1,
-
- %% erlang
- t_erlang_hash/1,
- t_map_encode_decode/1,
-
- %% non specific BIF related
- t_bif_build_and_check/1,
- t_bif_merge_and_check/1,
-
- %% maps module not bifs
- t_maps_fold/1,
- t_maps_map/1,
- t_maps_size/1,
- t_maps_without/1,
-
- %% misc
- t_hashmap_balance/1,
- t_erts_internal_order/1,
- t_erts_internal_hash/1,
- t_pdict/1,
- t_ets/1,
- t_dets/1,
- t_tracing/1,
-
- %% instruction-level tests
- t_has_map_fields/1,
- y_regs/1,
- badmap_17/1
- ]).
+-export([all/0, suite/0]).
+
+-export([t_build_and_match_literals/1, t_build_and_match_literals_large/1,
+ t_update_literals/1, t_update_literals_large/1,
+ t_match_and_update_literals/1, t_match_and_update_literals_large/1,
+ t_update_map_expressions/1,
+ t_update_assoc/1, t_update_assoc_large/1,
+ t_update_exact/1, t_update_exact_large/1,
+ t_guard_bifs/1,
+ t_guard_sequence/1, t_guard_sequence_large/1,
+ t_guard_update/1, t_guard_update_large/1,
+ t_guard_receive/1, t_guard_receive_large/1,
+ t_guard_fun/1,
+ t_update_deep/1,
+ t_list_comprehension/1,
+ t_map_sort_literals/1,
+ t_map_equal/1,
+ t_map_compare/1,
+ t_map_size/1,
+ t_is_map/1,
+
+ %% Specific Map BIFs
+ t_bif_map_get/1,
+ t_bif_map_find/1,
+ t_bif_map_is_key/1,
+ t_bif_map_keys/1,
+ t_bif_map_merge/1,
+ t_bif_map_new/1,
+ t_bif_map_put/1,
+ t_bif_map_remove/1,
+ t_bif_map_take/1, t_bif_map_take_large/1,
+ t_bif_map_update/1,
+ t_bif_map_values/1,
+ t_bif_map_to_list/1,
+ t_bif_map_from_list/1,
+ t_bif_erts_internal_maps_to_list/1,
+
+ %% erlang
+ t_erlang_hash/1,
+ t_map_encode_decode/1,
+ t_gc_rare_map_overflow/1,
+
+ %% non specific BIF related
+ t_bif_build_and_check/1,
+ t_bif_merge_and_check/1,
+
+ %% maps module not bifs
+ t_maps_fold/1,
+ t_maps_map/1,
+ t_maps_size/1,
+ t_maps_without/1,
+
+ %% misc
+ t_hashmap_balance/1,
+ t_erts_internal_order/1,
+ t_erts_internal_hash/1,
+ t_pdict/1,
+ t_ets/1,
+ t_dets/1,
+ t_tracing/1,
+ t_hash_entropy/1,
+
+ %% instruction-level tests
+ t_has_map_fields/1,
+ y_regs/1,
+ badmap_17/1]).
-include_lib("stdlib/include/ms_transform.hrl").
@@ -95,64 +95,59 @@
suite() -> [].
-all() -> [
- t_build_and_match_literals, t_build_and_match_literals_large,
- t_update_literals, t_update_literals_large,
- t_match_and_update_literals, t_match_and_update_literals_large,
- t_update_map_expressions,
- t_update_assoc, t_update_assoc_large,
- t_update_exact, t_update_exact_large,
- t_guard_bifs,
- t_guard_sequence, t_guard_sequence_large,
- t_guard_update, t_guard_update_large,
- t_guard_receive, t_guard_receive_large,
- t_guard_fun, t_list_comprehension,
- t_update_deep,
- t_map_equal, t_map_compare,
- t_map_sort_literals,
-
- %% Specific Map BIFs
- t_bif_map_get,t_bif_map_find,t_bif_map_is_key,
- t_bif_map_keys, t_bif_map_merge, t_bif_map_new,
- t_bif_map_put,
- t_bif_map_remove, t_bif_map_update,
- t_bif_map_values,
- t_bif_map_to_list, t_bif_map_from_list,
-
- %% erlang
- t_erlang_hash, t_map_encode_decode,
- t_map_size, t_is_map,
-
- %% non specific BIF related
- t_bif_build_and_check,
- t_bif_merge_and_check,
-
- %% maps module
- t_maps_fold, t_maps_map,
- t_maps_size, t_maps_without,
-
-
- %% Other functions
- t_hashmap_balance,
- t_erts_internal_order,
- t_erts_internal_hash,
- t_pdict,
- t_ets,
- t_tracing,
-
- %% instruction-level tests
- t_has_map_fields,
- y_regs,
- badmap_17
- ].
-
-groups() -> [].
-
-init_per_suite(Config) -> Config.
-end_per_suite(_Config) -> ok.
-
-init_per_group(_GroupName, Config) -> Config.
-end_per_group(_GroupName, Config) -> Config.
+all() -> [t_build_and_match_literals, t_build_and_match_literals_large,
+ t_update_literals, t_update_literals_large,
+ t_match_and_update_literals, t_match_and_update_literals_large,
+ t_update_map_expressions,
+ t_update_assoc, t_update_assoc_large,
+ t_update_exact, t_update_exact_large,
+ t_guard_bifs,
+ t_guard_sequence, t_guard_sequence_large,
+ t_guard_update, t_guard_update_large,
+ t_guard_receive, t_guard_receive_large,
+ t_guard_fun, t_list_comprehension,
+ t_update_deep,
+ t_map_equal, t_map_compare,
+ t_map_sort_literals,
+
+ %% Specific Map BIFs
+ t_bif_map_get,t_bif_map_find,t_bif_map_is_key,
+ t_bif_map_keys, t_bif_map_merge, t_bif_map_new,
+ t_bif_map_put,
+ t_bif_map_remove,
+ t_bif_map_take, t_bif_map_take_large,
+ t_bif_map_update,
+ t_bif_map_values,
+ t_bif_map_to_list, t_bif_map_from_list,
+ t_bif_erts_internal_maps_to_list,
+
+ %% erlang
+ t_erlang_hash, t_map_encode_decode,
+ t_gc_rare_map_overflow,
+ t_map_size, t_is_map,
+
+ %% non specific BIF related
+ t_bif_build_and_check,
+ t_bif_merge_and_check,
+
+ %% maps module
+ t_maps_fold, t_maps_map,
+ t_maps_size, t_maps_without,
+
+
+ %% Other functions
+ t_hashmap_balance,
+ t_erts_internal_order,
+ t_erts_internal_hash,
+ t_pdict,
+ t_ets,
+ t_tracing,
+ t_hash_entropy,
+
+ %% instruction-level tests
+ t_has_map_fields,
+ y_regs,
+ badmap_17].
%% tests
@@ -1509,11 +1504,8 @@ 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.
@@ -1531,7 +1523,7 @@ 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,
@@ -1562,7 +1554,7 @@ 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
@@ -1653,9 +1645,9 @@ 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, []},
@@ -1695,20 +1687,19 @@ 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),
{V1,V2} = term_gen_recursive(Leafs, Flags, Depth+1),
- %%ok = check_keys(K1,K2, 0),
{maps:put(K1,V1, Acc1), maps:put(K2,V2, Acc2)}
end,
{maps:new(), maps:new()},
@@ -1718,7 +1709,7 @@ 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),
@@ -1727,7 +1718,7 @@ 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}
@@ -1736,26 +1727,6 @@ term_gen_recursive(Leafs, Flags, Depth) ->
end
end.
-check_keys(K1, K2, _) when K1 =:= K2 ->
- case erlang:phash3(K1) =:= erlang:phash3(K2) of
- true -> ok;
- false ->
- io:format("Same keys with different hash values !!!\nK1 = ~p\nK2 = ~p\n", [K1,K2]),
- error
- end;
-check_keys(K1, K2, 0) ->
- case {erlang:phash3(K1), erlang:phash3(K2)} of
- {H,H} -> check_keys(K1, K2, 1);
- {_,_} -> ok
- end;
-check_keys(K1, K2, L) when L < 10 ->
- case {erlang:phash3([L|K1]), erlang:phash3([L|K2])} of
- {H,H} -> check_keys(K1, K2, L+1);
- {_,_} -> ok
- end;
-check_keys(K1, K2, L) ->
- io:format("Same hash value at level ~p !!!\nK1 = ~p\nK2 = ~p\n", [L,K1,K2]),
- error.
%% BIFs
t_bif_map_get(Config) when is_list(Config) ->
@@ -2005,7 +1976,7 @@ t_bif_map_remove(Config) when is_list(Config) ->
0 = erlang:map_size(maps:remove(some_key, #{})),
M0 = #{ "hi" => "hello", int => 3, <<"key">> => <<"value">>,
- 4 => number, 18446744073709551629 => wat},
+ 4 => number, 18446744073709551629 => wat},
M1 = maps:remove("hi", M0),
true = is_members([4,18446744073709551629,int,<<"key">>],maps:keys(M1)),
@@ -2034,10 +2005,71 @@ t_bif_map_remove(Config) when is_list(Config) ->
%% error case
do_badmap(fun(T) ->
- {'EXIT',{{badmap,T},[{maps,remove,_,_}|_]}} =
- (catch maps:remove(a, T))
+ {'EXIT',{{badmap,T},[{maps,remove,_,_}|_]}} = (catch maps:remove(a, T))
end),
- ok.
+ ok.
+
+t_bif_map_take(Config) when is_list(Config) ->
+ error = maps:take(some_key, #{}),
+
+ M0 = #{ "hi" => "hello", int => 3, <<"key">> => <<"value">>,
+ 4 => number, 18446744073709551629 => wat},
+
+ 5 = maps:size(M0),
+ {"hello", M1} = maps:take("hi", M0),
+ true = is_members([4,18446744073709551629,int,<<"key">>],maps:keys(M1)),
+ true = is_members([number,wat,3,<<"value">>],maps:values(M1)),
+ error = maps:take("hi", M1),
+ 4 = maps:size(M1),
+
+ {3, M2} = maps:take(int, M1),
+ true = is_members([4,18446744073709551629,<<"key">>],maps:keys(M2)),
+ true = is_members([number,wat,<<"value">>],maps:values(M2)),
+ error = maps:take(int, M2),
+ 3 = maps:size(M2),
+
+ {<<"value">>,M3} = maps:take(<<"key">>, M2),
+ true = is_members([4,18446744073709551629],maps:keys(M3)),
+ true = is_members([number,wat],maps:values(M3)),
+ error = maps:take(<<"key">>, M3),
+ 2 = maps:size(M3),
+
+ {wat,M4} = maps:take(18446744073709551629, M3),
+ true = is_members([4],maps:keys(M4)),
+ true = is_members([number],maps:values(M4)),
+ error = maps:take(18446744073709551629, M4),
+ 1 = maps:size(M4),
+
+ {number,M5} = maps:take(4, M4),
+ [] = maps:keys(M5),
+ [] = maps:values(M5),
+ error = maps:take(4, M5),
+ 0 = maps:size(M5),
+
+ {wat,#{ "hi" := "hello", int := 3, 4 := number, <<"key">> := <<"value">>}} = maps:take(18446744073709551629,M0),
+
+ %% error case
+ do_badmap(fun(T) ->
+ {'EXIT',{{badmap,T},[{maps,take,_,_}|_]}} = (catch maps:take(a, T))
+ end),
+ ok.
+
+t_bif_map_take_large(Config) when is_list(Config) ->
+ KVs = [{{erlang:md5(<<I:64>>),I}, I}|| I <- lists:seq(1,500)],
+ M0 = maps:from_list(KVs),
+ ok = bif_map_take_all(KVs, M0),
+ ok.
+
+bif_map_take_all([], M0) ->
+ 0 = maps:size(M0),
+ ok;
+bif_map_take_all([{K,V}|KVs],M0) ->
+ {ok,V} = maps:find(K,M0),
+ {V,M1} = maps:take(K,M0),
+ error = maps:find(K,M1),
+ error = maps:take(K,M1),
+ bif_map_take_all(KVs,M1).
+
t_bif_map_update(Config) when is_list(Config) ->
M0 = #{ "hi" => "hello", int => 3, <<"key">> => <<"value">>,
@@ -2099,8 +2131,6 @@ t_erlang_hash(Config) when is_list(Config) ->
ok = t_bif_erlang_phash2(),
ok = t_bif_erlang_phash(),
- ok = t_bif_erlang_hash(),
-
ok.
t_bif_erlang_phash2() ->
@@ -2143,27 +2173,6 @@ t_bif_erlang_phash() ->
2620391445 = erlang:phash(M2,Sz), % 3590546636
ok.
-t_bif_erlang_hash() ->
- Sz = 1 bsl 27 - 1,
- 39684169 = erlang:hash(#{},Sz), % 5158
- 33673142 = erlang:hash(#{ a => 1, "a" => 2, <<"a">> => 3, {a,b} => 4 },Sz), % 71555838
- 95337869 = erlang:hash(#{ 1 => a, 2 => "a", 3 => <<"a">>, 4 => {a,b} },Sz), % 5497225
- 108959561 = erlang:hash(#{ 1 => a },Sz), % 126071654
- 59623150 = erlang:hash(#{ a => 1 },Sz), % 126426236
-
- 42775386 = erlang:hash(#{{} => <<>>},Sz), % 101655720
- 71692856 = erlang:hash(#{<<>> => {}},Sz), % 101655720
-
- M0 = #{ a => 1, "key" => <<"value">> },
- M1 = maps:remove("key",M0),
- M2 = M1#{ "key" => <<"value">> },
-
- 70254632 = erlang:hash(M0,Sz), % 38260486
- 59623150 = erlang:hash(M1,Sz), % 126426236
- 70254632 = erlang:hash(M2,Sz), % 38260486
- ok.
-
-
t_map_encode_decode(Config) when is_list(Config) ->
<<131,116,0,0,0,0>> = erlang:term_to_binary(#{}),
Pairs = [
@@ -2181,7 +2190,9 @@ t_map_encode_decode(Config) when is_list(Config) ->
{<<>>, sc9}, {3.14158, sc10},
{[3.14158], sc11}, {more_atoms, sc12},
{{more_tuples}, sc13}, {self(), sc14},
- {{},{}},{[],[]}
+ {{},{}},{[],[]},
+ {map_s, #{a=>a, 2=>b, 3=>c}},
+ {map_l, maps:from_list([{I,I}||I <- lists:seq(1,74)])}
],
ok = map_encode_decode_and_match(Pairs,[],#{}),
@@ -2245,9 +2256,30 @@ t_map_encode_decode(Config) when is_list(Config) ->
%% bad size (too small) .. should fail just truncate it .. weird.
%% possibly change external format so truncated will be #{a:=1}
- #{ a:=b } =
- erlang:binary_to_term(<<131,116,0,0,0,1,100,0,1,97,100,0,1,98,97,1,97,1>>),
-
+ #{ a:=b } = erlang:binary_to_term(<<131,116,0,0,0,1,100,0,1,97,100,0,1,98,97,1,97,1>>),
+
+ %% specific fannerl (opensource app) binary_to_term error in 18.1
+
+ #{bias := {1,1,0},
+ bit_fail := 0,
+ connections := #{{2,9} := _,
+ {8,14} := _,
+ {2,12} := _,
+ {5,7} := _,
+ {11,16} := _,
+ {11,15} := _},
+ layers := {5,7,3},
+ network_type := fann_nettype_layer,
+ num_input := 5,
+ num_layers := 3,
+ num_output := 3,
+ rprop_delta_max := _,
+ rprop_delta_min := _,
+ total_connections := 66,
+ total_neurons := 17,
+ train_error_function := fann_errorfunc_tanh,
+ train_stop_function := fann_stopfunc_mse,
+ training_algorithm := fann_train_rprop} = erlang:binary_to_term(fannerl()),
ok.
map_encode_decode_and_match([{K,V}|Pairs], EncodedPairs, M0) ->
@@ -2332,23 +2364,55 @@ t_bif_map_from_list(Config) when is_list(Config) ->
{'EXIT', {badarg,_}} = (catch maps:from_list(id(42))),
ok.
-t_bif_build_and_check(Config) when is_list(Config) ->
- ok = check_build_and_remove(750,[
- fun(K) -> [K,K] end,
- fun(K) -> [float(K),K] end,
- fun(K) -> K end,
- fun(K) -> {1,K} end,
- fun(K) -> {K} end,
- fun(K) -> [K|K] end,
- fun(K) -> [K,1,2,3,4] end,
- fun(K) -> {K,atom} end,
- fun(K) -> float(K) end,
- fun(K) -> integer_to_list(K) end,
- fun(K) -> list_to_atom(integer_to_list(K)) end,
- fun(K) -> [K,{K,[K,{K,[K]}]}] end,
- fun(K) -> <<K:32>> end
- ]),
+t_bif_erts_internal_maps_to_list(Config) when is_list(Config) ->
+ %% small maps
+ [] = erts_internal:maps_to_list(#{},-1),
+ [] = erts_internal:maps_to_list(#{},-2),
+ [] = erts_internal:maps_to_list(#{},10),
+ [{a,1},{b,2}] = lists:sort(erts_internal:maps_to_list(#{a=>1,b=>2}, 2)),
+ [{a,1},{b,2}] = lists:sort(erts_internal:maps_to_list(#{a=>1,b=>2}, -1)),
+ [{_,_}] = erts_internal:maps_to_list(#{a=>1,b=>2}, 1),
+ [{a,1},{b,2},{c,3}] = lists:sort(erts_internal:maps_to_list(#{c=>3,a=>1,b=>2},-2)),
+ [{a,1},{b,2},{c,3}] = lists:sort(erts_internal:maps_to_list(#{c=>3,a=>1,b=>2},3)),
+ [{a,1},{b,2},{c,3}] = lists:sort(erts_internal:maps_to_list(#{c=>3,a=>1,b=>2},5)),
+ [{_,_},{_,_}] = erts_internal:maps_to_list(#{c=>3,a=>1,b=>2},2),
+ [{_,_}] = erts_internal:maps_to_list(#{c=>3,a=>1,b=>2},1),
+ [] = erts_internal:maps_to_list(#{c=>3,a=>1,b=>2},0),
+
+ %% big maps
+ M = maps:from_list([{I,ok}||I <- lists:seq(1,500)]),
+ [] = erts_internal:maps_to_list(M,0),
+ [{_,_}] = erts_internal:maps_to_list(M,1),
+ [{_,_},{_,_}] = erts_internal:maps_to_list(M,2),
+ Ls1 = erts_internal:maps_to_list(M,10),
+ 10 = length(Ls1),
+ Ls2 = erts_internal:maps_to_list(M,20),
+ 20 = length(Ls2),
+ Ls3 = erts_internal:maps_to_list(M,120),
+ 120 = length(Ls3),
+ Ls4 = erts_internal:maps_to_list(M,-1),
+ 500 = length(Ls4),
+ %% error cases
+ {'EXIT', {{badmap,[{a,b},b]},_}} = (catch erts_internal:maps_to_list(id([{a,b},b]),id(1))),
+ {'EXIT', {badarg,_}} = (catch erts_internal:maps_to_list(id(#{}),id(a))),
+ {'EXIT', {badarg,_}} = (catch erts_internal:maps_to_list(id(#{1=>2}),id(<<>>))),
+ ok.
+
+t_bif_build_and_check(Config) when is_list(Config) ->
+ ok = check_build_and_remove(750,[fun(K) -> [K,K] end,
+ fun(K) -> [float(K),K] end,
+ fun(K) -> K end,
+ fun(K) -> {1,K} end,
+ fun(K) -> {K} end,
+ fun(K) -> [K|K] end,
+ fun(K) -> [K,1,2,3,4] end,
+ fun(K) -> {K,atom} end,
+ fun(K) -> float(K) end,
+ fun(K) -> integer_to_list(K) end,
+ fun(K) -> list_to_atom(integer_to_list(K)) end,
+ fun(K) -> [K,{K,[K,{K,[K]}]}] end,
+ fun(K) -> <<K:32>> end]),
ok.
check_build_and_remove(_,[]) -> ok;
@@ -2391,6 +2455,9 @@ check_keys_exist([K|Ks],M) ->
check_keys_exist(Ks,M).
t_bif_merge_and_check(Config) when is_list(Config) ->
+
+ io:format("rand:export_seed() -> ~p\n",[rand:export_seed()]),
+
%% simple disjunct ones
%% make sure all keys are unique
Kss = [[a,b,c,d],
@@ -2438,8 +2505,49 @@ t_bif_merge_and_check(Config) when is_list(Config) ->
M41 = maps:merge(M4,M1),
ok = check_key_values(KVs1 ++ [{d,5}] ++ KVs, M41),
+ [begin Ma = random_map(SzA, a),
+ Mb = random_map(SzB, b),
+ ok = merge_maps(Ma, Mb)
+ end || SzA <- [3,10,20,100,200,1000], SzB <- [3,10,20,100,200,1000]],
+
+ ok.
+
+% Generate random map with an average of Sz number of pairs: K -> {V,K}
+random_map(Sz, V) ->
+ random_map_insert(#{}, 0, V, Sz*2).
+
+random_map_insert(M0, K0, _, Sz) when K0 > Sz ->
+ M0;
+random_map_insert(M0, K0, V, Sz) ->
+ Key = K0 + rand:uniform(3),
+ random_map_insert(M0#{Key => {V,Key}}, Key, V, Sz).
+
+
+merge_maps(A, B) ->
+ AB = maps:merge(A, B),
+ %%io:format("A=~p\nB=~p\n",[A,B]),
+ maps_foreach(fun(K,VB) -> VB = maps:get(K, AB)
+ end, B),
+ maps_foreach(fun(K,VA) ->
+ case {maps:get(K, AB),maps:find(K, B)} of
+ {VA, error} -> ok;
+ {VB, {ok, VB}} -> ok
+ end
+ end, A),
+
+ maps_foreach(fun(K,V) ->
+ case {maps:find(K, A),maps:find(K, B)} of
+ {{ok, V}, error} -> ok;
+ {error, {ok, V}} -> ok;
+ {{ok,_}, {ok, V}} -> ok
+ end
+ end, AB),
ok.
+maps_foreach(Fun, Map) ->
+ maps:fold(fun(K,V,_) -> Fun(K,V) end, void, Map).
+
+
check_key_values([],_) -> ok;
check_key_values([{K,V}|KVs],M) ->
V = maps:get(K,M),
@@ -2529,7 +2637,7 @@ 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,
@@ -2922,3 +3030,222 @@ do_badmap_17(Config) ->
%% Use this function to avoid compile-time evaluation of an expression.
id(I) -> I.
+
+
+%% OTP-13763
+t_hash_entropy(Config) when is_list(Config) ->
+ %% entropy bug in 18.3, 19.0
+ M1 = maps:from_list([{#{"id" => I}, ok}||I <- lists:seq(1,50000)]),
+
+ #{ #{"id" => 100} := ok,
+ #{"id" => 200} := ok,
+ #{"id" => 300} := ok,
+ #{"id" => 400} := ok,
+ #{"id" => 500} := ok,
+ #{"id" => 600} := ok,
+ #{"id" => 700} := ok,
+ #{"id" => 800} := ok,
+ #{"id" => 900} := ok,
+ #{"id" => 25061} := ok,
+ #{"id" => 39766} := ok } = M1,
+
+ M0 = maps:from_list([{I,ok}||I <- lists:seq(1,33)]),
+ M2 = maps:from_list([{M0#{"id" => I}, ok}||I <- lists:seq(1,50000)]),
+
+ ok = maps:get(M0#{"id" => 100}, M2),
+ ok = maps:get(M0#{"id" => 200}, M2),
+ ok = maps:get(M0#{"id" => 300}, M2),
+ ok = maps:get(M0#{"id" => 400}, M2),
+ ok = maps:get(M0#{"id" => 500}, M2),
+ ok = maps:get(M0#{"id" => 600}, M2),
+ ok = maps:get(M0#{"id" => 700}, M2),
+ ok = maps:get(M0#{"id" => 800}, M2),
+ ok = maps:get(M0#{"id" => 900}, M2),
+ ok = maps:get(M0#{"id" => 25061}, M2),
+ ok = maps:get(M0#{"id" => 39766}, M2),
+ ok.
+
+%% OTP-13146
+%% Provoke major GC with a lot of "fat" maps on external format in msg queue
+%% causing heap fragments to be allocated.
+t_gc_rare_map_overflow(Config) when is_list(Config) ->
+ Pa = filename:dirname(code:which(?MODULE)),
+ {ok, Node} = test_server:start_node(gc_rare_map_overflow, slave, [{args, "-pa \""++Pa++"\""}]),
+ erts_debug:set_internal_state(available_internal_state, true),
+ try
+ Echo = spawn_link(Node, fun Loop() -> receive {From,Msg} -> From ! Msg
+ end,
+ Loop()
+ end),
+ FatMap = fatmap(34),
+ false = (flatmap =:= erts_internal:term_type(FatMap)),
+
+ t_gc_rare_map_overflow_do(Echo, FatMap, fun() -> erlang:garbage_collect() end),
+
+ %% Repeat test for minor gc:
+ t_gc_rare_map_overflow_do(Echo, FatMap, fun() -> minor_collect() end),
+
+ unlink(Echo),
+
+ %% Test fatmap in exit signal
+ Exiter = spawn_link(Node, fun Loop() -> receive {_From,Msg} ->
+ "not_a_map" = Msg % badmatch!
+ end,
+ Loop()
+ end),
+ process_flag(trap_exit, true),
+ Exiter ! {self(), FatMap},
+ {'EXIT', Exiter, {{badmatch,FatMap}, _}} = receive M -> M end,
+ ok
+
+ after
+ process_flag(trap_exit, false),
+ erts_debug:set_internal_state(available_internal_state, false),
+ test_server:stop_node(Node)
+ end.
+
+t_gc_rare_map_overflow_do(Echo, FatMap, GcFun) ->
+ Master = self(),
+ true = receive _M -> false after 0 -> true end, % assert empty msg queue
+ Echo ! {Master, token},
+ repeat(1000, fun(_) -> Echo ! {Master, FatMap} end, void),
+
+ timer:sleep(100), % Wait for maps to arrive in our msg queue
+ token = receive Tok -> Tok end, % and provoke move from outer to inner msg queue
+
+ %% Do GC that will "overflow" and create heap frags due to all the fat maps
+ GcFun(),
+
+ %% Now check that all maps in msg queueu are intact
+ %% Will crash emulator in OTP-18.1
+ repeat(1000, fun(_) -> FatMap = receive FM -> FM end end, void),
+ ok.
+
+minor_collect() ->
+ Before = minor_gcs(),
+ erts_debug:set_internal_state(force_gc, self()),
+ erlang:yield(),
+ After = minor_gcs(),
+ io:format("minor_gcs: ~p -> ~p\n", [Before, After]).
+
+minor_gcs() ->
+ {garbage_collection, Info} = process_info(self(), garbage_collection),
+ {minor_gcs, GCS} = lists:keyfind(minor_gcs, 1, Info),
+ GCS.
+
+%% Generate a map with N (or N+1) keys that has an abnormal heap demand.
+%% Done by finding keys that collide in the first 32-bit hash.
+fatmap(N) ->
+ %%erts_debug:set_internal_state(available_internal_state, true),
+ Table = ets:new(void, [bag, private]),
+
+ Seed0 = rand:seed_s(exsplus, {4711, 3141592, 2718281}),
+ Seed1 = fatmap_populate(Table, Seed0, (1 bsl 16)),
+ Keys = fatmap_generate(Table, Seed1, N, []),
+ ets:delete(Table),
+ maps:from_list([{K,K} || K <- Keys]).
+
+fatmap_populate(_, Seed, 0) -> Seed;
+fatmap_populate(Table, Seed, N) ->
+ {I, NextSeed} = rand:uniform_s(1 bsl 48, Seed),
+ Hash = internal_hash(I),
+ ets:insert(Table, [{Hash, I}]),
+ fatmap_populate(Table, NextSeed, N-1).
+
+
+fatmap_generate(_, _, N, Acc) when N =< 0 ->
+ Acc;
+fatmap_generate(Table, Seed, N0, Acc0) ->
+ {I, NextSeed} = rand:uniform_s(1 bsl 48, Seed),
+ Hash = internal_hash(I),
+ case ets:member(Table, Hash) of
+ true ->
+ NewKeys = [I | ets:lookup_element(Table, Hash, 2)],
+ Acc1 = lists:usort(Acc0 ++ NewKeys),
+ N1 = N0 - (length(Acc1) - length(Acc0)),
+ fatmap_generate(Table, NextSeed, N1, Acc1);
+ false ->
+ fatmap_generate(Table, NextSeed, N0, Acc0)
+ end.
+
+internal_hash(Term) ->
+ erts_debug:get_internal_state({internal_hash, Term}).
+
+
+%% map external_format (fannerl).
+fannerl() ->
+ <<131,116,0,0,0,28,100,0,13,108,101,97,114,110,105,110,103,95,114,
+ 97,116,101,70,63,230,102,102,96,0,0,0,100,0,17,108,101,97,114,110,105,110,
+ 103,95,109,111,109,101,110,116,117,109,70,0,0,0,0,0,0,0,0,100,0,
+ 18,116,114,97,105,110,105,110,103,95,97,108,103,111,114,105,116,104,109,100,0,
+ 16,102,97,110,110,95,116,114,97,105,110,95,114,112,114,111,112,
+ 100,0,17,109,101,97,110,95,115,113,117,97,114,101,95,101,114,114,111,114,70,
+ 0,0,0,0,0,0,0,0,100,0,8,98,105,116,95,102,97,105,108,97,0,100,0,20,
+ 116,114,97,105,110,95,101,114,114,111,114,95,102,117,110,99,116,105,111,
+ 110,100,0,19,102,97,110,110,95,101,114,114,111,114,102,117,110,99,
+ 95,116,97,110,104,100,0,9,110,117,109,95,105,110,112,117,116,97,5,100,0,10,110,
+ 117,109,95,111,117,116,112,117,116,97,3,100,0,13,116,111,116,97,108,
+ 95,110,101,117,114,111,110,115,97,17,100,0,17,116,111,116,97,108,95,99,111,110,
+ 110,101,99,116,105,111,110,115,97,66,100,0,12,110,101,116,119,111,114,107,
+ 95,116,121,112,101,100,0,18,102,97,110,110,95,110,101,116,116,121,112,101,
+ 95,108,97,121,101,114,100,0,15,99,111,110,110,101,99,116,105,111,110,95,
+ 114,97,116,101,70,63,240,0,0,0,0,0,0,100,0,10,110,117,109,95,108,97,121,101,
+ 114,115,97,3,100,0,19,116,114,97,105,110,95,115,116,111,112,95,102,117,110,
+ 99,116,105,111,110,100,0,17,102,97,110,110,95,115,116,111,112,102,117,110,
+ 99,95,109,115,101,100,0,15,113,117,105,99,107,112,114,111,112,95,100,101,99,
+ 97,121,70,191,26,54,226,224,0,0,0,100,0,12,113,117,105,99,107,112,114,
+ 111,112,95,109,117,70,63,252,0,0,0,0,0,0,100,0,21,114,112,114,111,112,95,105,
+ 110,99,114,101,97,115,101,95,102,97,99,116,111,114,70,63,243,51,51,
+ 64,0,0,0,100,0,21,114,112,114,111,112,95,100,101,99,114,101,97,115,101,
+ 95,102,97,99,116,111,114,70,63,224,0,0,0,0,0,0,100,0,15,114,112,114,111,112,
+ 95,100,101,108,116,97,95,109,105,110,70,0,0,0,0,0,0,0,0,100,0,15,114,112,114,
+ 111,112,95,100,101,108,116,97,95,109,97,120,70,64,73,0,0,0,0,0,0,100,0,
+ 16,114,112,114,111,112,95,100,101,108,116,97,95,122,101,114,111,70,63,185,153,
+ 153,160,0,0,0,100,0,26,115,97,114,112,114,111,112,95,119,101,105,103,
+ 104,116,95,100,101,99,97,121,95,115,104,105,102,116,70,192,26,147,116,192,0,0,0,
+ 100,0,35,115,97,114,112,114,111,112,95,115,116,101,112,95,101,114,
+ 114,111,114,95,116,104,114,101,115,104,111,108,100,95,102,97,99,116,111,114,70,
+ 63,185,153,153,160,0,0,0,100,0,24,115,97,114,112,114,111,112,95,115,
+ 116,101,112,95,101,114,114,111,114,95,115,104,105,102,116,70,63,246,40,245,
+ 192,0,0,0,100,0,19,115,97,114,112,114,111,112,95,116,101,109,112,101,114,
+ 97,116,117,114,101,70,63,142,184,81,224,0,0,0,100,0,6,108,97,121,101,114,115,
+ 104,3,97,5,97,7,97,3,100,0,4,98,105,97,115,104,3,97,1,97,1,97,0,100,0,11,
+ 99,111,110,110,101,99,116,105,111,110,115,116,0,0,0,66,104,2,97,0,97,6,70,
+ 191,179,51,44,64,0,0,0,104,2,97,1,97,6,70,63,178,130,90,32,0,0,0,104,2,97,2,
+ 97,6,70,63,82,90,88,0,0,0,0,104,2,97,3,97,6,70,63,162,91,63,192,0,0,0,104,2,
+ 97,4,97,6,70,191,151,70,169,0,0,0,0,104,2,97,5,97,6,70,191,117,52,222,0,0,0,
+ 0,104,2,97,0,97,7,70,63,152,240,139,0,0,0,0,104,2,97,1,97,7,70,191,166,31,
+ 187,160,0,0,0,104,2,97,2,97,7,70,191,150,70,63,0,0,0,0,104,2,97,3,97,7,70,
+ 63,152,181,126,128,0,0,0,104,2,97,4,97,7,70,63,151,187,162,128,0,0,0,104,2,
+ 97,5,97,7,70,191,143,161,101,0,0,0,0,104,2,97,0,97,8,70,191,153,102,36,128,0,
+ 0,0,104,2,97,1,97,8,70,63,160,139,250,64,0,0,0,104,2,97,2,97,8,70,63,164,62,
+ 196,64,0,0,0,104,2,97,3,97,8,70,191,178,78,209,192,0,0,0,104,2,97,4,97,8,70,
+ 191,185,19,76,224,0,0,0,104,2,97,5,97,8,70,63,183,142,196,96,0,0,0,104,2,97,0,
+ 97,9,70,63,150,104,248,0,0,0,0,104,2,97,1,97,9,70,191,164,4,100,224,0,0,0,
+ 104,2,97,2,97,9,70,191,169,42,42,224,0,0,0,104,2,97,3,97,9,70,63,145,54,78,128,0,
+ 0,0,104,2,97,4,97,9,70,63,126,243,134,0,0,0,0,104,2,97,5,97,9,70,63,177,
+ 203,25,96,0,0,0,104,2,97,0,97,10,70,63,172,104,47,64,0,0,0,104,2,97,1,97,10,
+ 70,63,161,242,193,64,0,0,0,104,2,97,2,97,10,70,63,175,208,241,192,0,0,0,104,2,
+ 97,3,97,10,70,191,129,202,161,0,0,0,0,104,2,97,4,97,10,70,63,178,151,55,32,0,0,0,
+ 104,2,97,5,97,10,70,63,137,155,94,0,0,0,0,104,2,97,0,97,11,70,191,179,
+ 106,160,0,0,0,0,104,2,97,1,97,11,70,63,184,253,164,96,0,0,0,104,2,97,2,97,11,
+ 70,191,143,30,157,0,0,0,0,104,2,97,3,97,11,70,63,153,225,140,128,0,0,0,104,
+ 2,97,4,97,11,70,63,161,35,85,192,0,0,0,104,2,97,5,97,11,70,63,175,200,55,192,
+ 0,0,0,104,2,97,0,97,12,70,191,180,116,132,96,0,0,0,104,2,97,1,97,12,70,191,
+ 165,151,152,0,0,0,0,104,2,97,2,97,12,70,191,180,197,91,160,0,0,0,104,2,97,3,97,12,
+ 70,191,91,30,160,0,0,0,0,104,2,97,4,97,12,70,63,180,251,45,32,0,0,0,
+ 104,2,97,5,97,12,70,63,165,134,77,64,0,0,0,104,2,97,6,97,14,70,63,181,56,242,96,
+ 0,0,0,104,2,97,7,97,14,70,191,165,239,234,224,0,0,0,104,2,97,8,97,14,
+ 70,191,154,65,216,128,0,0,0,104,2,97,9,97,14,70,63,150,250,236,0,0,0,0,104,2,97,
+ 10,97,14,70,191,141,105,108,0,0,0,0,104,2,97,11,97,14,70,191,152,40,
+ 165,0,0,0,0,104,2,97,12,97,14,70,63,141,159,46,0,0,0,0,104,2,97,13,97,14,70,
+ 191,183,172,137,32,0,0,0,104,2,97,6,97,15,70,63,163,26,123,192,0,0,0,104,
+ 2,97,7,97,15,70,63,176,184,106,32,0,0,0,104,2,97,8,97,15,70,63,152,234,144,
+ 0,0,0,0,104,2,97,9,97,15,70,191,172,58,70,160,0,0,0,104,2,97,10,97,15,70,
+ 63,161,211,211,192,0,0,0,104,2,97,11,97,15,70,191,148,171,120,128,0,0,0,104,
+ 2,97,12,97,15,70,63,180,117,214,224,0,0,0,104,2,97,13,97,15,70,191,104,
+ 230,216,0,0,0,0,104,2,97,6,97,16,70,63,178,53,103,96,0,0,0,104,2,97,7,97,16,
+ 70,63,170,230,232,64,0,0,0,104,2,97,8,97,16,70,191,183,45,100,192,0,0,0,
+ 104,2,97,9,97,16,70,63,184,100,97,32,0,0,0,104,2,97,10,97,16,70,63,169,174,
+ 254,64,0,0,0,104,2,97,11,97,16,70,191,119,121,234,0,0,0,0,104,2,97,12,97,
+ 16,70,63,149,12,170,128,0,0,0,104,2,97,13,97,16,70,191,144,193,191,0,0,0,0>>.