%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2013. 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(map_SUITE).
-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").
-define(CHECK(Cond,Term),
case (catch (Cond)) of
true -> true;
_ -> io:format("###### CHECK FAILED ######~nINPUT: ~p~n", [Term]),
exit(Term)
end).
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_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
t_build_and_match_literals(Config) when is_list(Config) ->
#{} = id(#{}),
#{1:=a} = id(#{1=>a}),
#{1:=a,2:=b} = id(#{1=>a,2=>b}),
#{1:=a,2:=b,3:="c"} = id(#{1=>a,2=>b,3=>"c"}),
#{1:=a,2:=b,3:="c","4":="d"} = id(#{1=>a,2=>b,3=>"c","4"=>"d"}),
#{1:=a,2:=b,3:="c","4":="d",<<"5">>:=<<"e">>} =
id(#{1=>a,2=>b,3=>"c","4"=>"d",<<"5">>=><<"e">>}),
#{1:=a,2:=b,3:="c","4":="d",<<"5">>:=<<"e">>,{"6",7}:="f"} =
id(#{1=>a,2=>b,3=>"c","4"=>"d",<<"5">>=><<"e">>,{"6",7}=>"f"}),
#{1:=a,2:=b,3:="c","4":="d",<<"5">>:=<<"e">>,{"6",7}:="f",8:=g} =
id(#{1=>a,2=>b,3=>"c","4"=>"d",<<"5">>=><<"e">>,{"6",7}=>"f",8=>g}),
#{[]:=a,42.0:=b,x:={x,y},[a,b]:=list} =
id(#{[]=>a,42.0=>b,x=>{x,y},[a,b]=>list}),
#{<<"hi all">> := 1} = id(#{<<"hi",32,"all">> => 1}),
#{a:=X,a:=X=3,b:=4} = id(#{a=>3,b=>4}), % weird but ok =)
#{ a:=#{ b:=#{c := third, b:=second}}, b:=first} =
id(#{ b=>first, a=>#{ b=>#{c => third, b=> second}}}),
M = #{ map_1=>#{ map_2=>#{value_3 => third}, value_2=> second}, value_1=>first},
M = #{ map_1:=#{ map_2:=#{value_3 := third}, value_2:= second}, value_1:=first} =
id(#{ map_1=>#{ map_2=>#{value_3 => third}, value_2=> second}, value_1=>first}),
%% error case
%V = 32,
%{'EXIT',{{badmatch,_},_}} = (catch (#{<<"hi all">> => 1} = id(#{<<"hi",V,"all">> => 1}))),
{'EXIT',{{badmatch,_},_}} = (catch (#{x:=3,x:=2} = id(#{x=>3}))),
{'EXIT',{{badmatch,_},_}} = (catch (#{x:=2} = id(#{x=>3}))),
{'EXIT',{{badmatch,_},_}} = (catch (#{x:=3} = id({a,b,c}))),
{'EXIT',{{badmatch,_},_}} = (catch (#{x:=3} = id(#{y=>3}))),
{'EXIT',{{badmatch,_},_}} = (catch (#{x:=3} = id(#{x=>"three"}))),
ok.
t_build_and_match_literals_large(Config) when is_list(Config) ->
% normal non-repeating
M0 = id(#{ 10=>a0,20=>b0,30=>"c0","40"=>"d0",<<"50">>=>"e0",{["00"]}=>"10",
11=>a1,21=>b1,31=>"c1","41"=>"d1",<<"51">>=>"e1",{["01"]}=>"11",
12=>a2,22=>b2,32=>"c2","42"=>"d2",<<"52">>=>"e2",{["02"]}=>"12",
13=>a3,23=>b3,33=>"c3","43"=>"d3",<<"53">>=>"e3",{["03"]}=>"13",
14=>a4,24=>b4,34=>"c4","44"=>"d4",<<"54">>=>"e4",{["04"]}=>"14",
15=>a5,25=>b5,35=>"c5","45"=>"d5",<<"55">>=>"e5",{["05"]}=>"15",
16=>a6,26=>b6,36=>"c6","46"=>"d6",<<"56">>=>"e6",{["06"]}=>"16",
17=>a7,27=>b7,37=>"c7","47"=>"d7",<<"57">>=>"e7",{["07"]}=>"17",
18=>a8,28=>b8,38=>"c8","48"=>"d8",<<"58">>=>"e8",{["08"]}=>"18",
19=>a9,29=>b9,39=>"c9","49"=>"d9",<<"59">>=>"e9",{["09"]}=>"19" }),
#{10:=a0,20:=b0,30:="c0","40":="d0",<<"50">>:="e0",{["00"]}:="10"} = M0,
#{11:=a1,21:=b1,31:="c1","41":="d1",<<"51">>:="e1",{["01"]}:="11"} = M0,
#{12:=a2,22:=b2,32:="c2","42":="d2",<<"52">>:="e2",{["02"]}:="12"} = M0,
#{13:=a3,23:=b3,33:="c3","43":="d3",<<"53">>:="e3",{["03"]}:="13"} = M0,
#{14:=a4,24:=b4,34:="c4","44":="d4",<<"54">>:="e4",{["04"]}:="14"} = M0,
#{15:=a5,25:=b5,35:="c5","45":="d5",<<"55">>:="e5",{["05"]}:="15"} = M0,
#{16:=a6,26:=b6,36:="c6","46":="d6",<<"56">>:="e6",{["06"]}:="16"} = M0,
#{17:=a7,27:=b7,37:="c7","47":="d7",<<"57">>:="e7",{["07"]}:="17"} = M0,
#{18:=a8,28:=b8,38:="c8","48":="d8",<<"58">>:="e8",{["08"]}:="18"} = M0,
#{19:=a9,29:=b9,39:="c9","49":="d9",<<"59">>:="e9",{["09"]}:="19"} = M0,
60 = map_size(M0),
60 = maps:size(M0),
% with repeating
M1 = id(#{ 10=>a0,20=>b0,30=>"c0","40"=>"d0",<<"50">>=>"e0",{["00"]}=>"10",
11=>a1,21=>b1,31=>"c1","41"=>"d1",<<"51">>=>"e1",{["01"]}=>"11",
12=>a2,22=>b2,32=>"c2","42"=>"d2",<<"52">>=>"e2",{["02"]}=>"12",
13=>a3,23=>b3,33=>"c3","43"=>"d3",<<"53">>=>"e3",{["03"]}=>"13",
14=>a4,24=>b4,34=>"c4","44"=>"d4",<<"54">>=>"e4",{["04"]}=>"14",
10=>na0,20=>nb0,30=>"nc0","40"=>"nd0",<<"50">>=>"ne0",{["00"]}=>"n10",
11=>na1,21=>nb1,31=>"nc1","41"=>"nd1",<<"51">>=>"ne1",{["01"]}=>"n11",
12=>na2,22=>nb2,32=>"nc2","42"=>"nd2",<<"52">>=>"ne2",{["02"]}=>"n12",
15=>a5,25=>b5,35=>"c5","45"=>"d5",<<"55">>=>"e5",{["05"]}=>"15",
16=>a6,26=>b6,36=>"c6","46"=>"d6",<<"56">>=>"e6",{["06"]}=>"16",
17=>a7,27=>b7,37=>"c7","47"=>"d7",<<"57">>=>"e7",{["07"]}=>"17",
13=>na3,23=>nb3,33=>"nc3","43"=>"nd3",<<"53">>=>"ne3",{["03"]}=>"n13",
14=>na4,24=>nb4,34=>"nc4","44"=>"nd4",<<"54">>=>"ne4",{["04"]}=>"n14",
18=>a8,28=>b8,38=>"c8","48"=>"d8",<<"58">>=>"e8",{["08"]}=>"18",
19=>a9,29=>b9,39=>"c9","49"=>"d9",<<"59">>=>"e9",{["09"]}=>"19" }),
#{10:=na0,20:=nb0,30:="nc0","40":="nd0",<<"50">>:="ne0",{["00"]}:="n10"} = M1,
#{11:=na1,21:=nb1,31:="nc1","41":="nd1",<<"51">>:="ne1",{["01"]}:="n11"} = M1,
#{12:=na2,22:=nb2,32:="nc2","42":="nd2",<<"52">>:="ne2",{["02"]}:="n12"} = M1,
#{13:=na3,23:=nb3,33:="nc3","43":="nd3",<<"53">>:="ne3",{["03"]}:="n13"} = M1,
#{14:=na4,24:=nb4,34:="nc4","44":="nd4",<<"54">>:="ne4",{["04"]}:="n14"} = M1,
#{15:=a5,25:=b5,35:="c5","45":="d5",<<"55">>:="e5",{["05"]}:="15"} = M1,
#{16:=a6,26:=b6,36:="c6","46":="d6",<<"56">>:="e6",{["06"]}:="16"} = M1,
#{17:=a7,27:=b7,37:="c7","47":="d7",<<"57">>:="e7",{["07"]}:="17"} = M1,
#{18:=a8,28:=b8,38:="c8","48":="d8",<<"58">>:="e8",{["08"]}:="18"} = M1,
#{19:=a9,29:=b9,39:="c9","49":="d9",<<"59">>:="e9",{["09"]}:="19"} = M1,
60 = map_size(M1),
60 = maps:size(M1),
% with floats
M2 = id(#{ 10=>a0,20=>b0,30=>"c0","40"=>"d0",<<"50">>=>"e0",{["00"]}=>"10",
11=>a1,21=>b1,31=>"c1","41"=>"d1",<<"51">>=>"e1",{["01"]}=>"11",
12=>a2,22=>b2,32=>"c2","42"=>"d2",<<"52">>=>"e2",{["02"]}=>"12",
13=>a3,23=>b3,33=>"c3","43"=>"d3",<<"53">>=>"e3",{["03"]}=>"13",
14=>a4,24=>b4,34=>"c4","44"=>"d4",<<"54">>=>"e4",{["04"]}=>"14",
15=>a5,25=>b5,35=>"c5","45"=>"d5",<<"55">>=>"e5",{["05"]}=>"15",
16=>a6,26=>b6,36=>"c6","46"=>"d6",<<"56">>=>"e6",{["06"]}=>"16",
17=>a7,27=>b7,37=>"c7","47"=>"d7",<<"57">>=>"e7",{["07"]}=>"17",
18=>a8,28=>b8,38=>"c8","48"=>"d8",<<"58">>=>"e8",{["08"]}=>"18",
19=>a9,29=>b9,39=>"c9","49"=>"d9",<<"59">>=>"e9",{["09"]}=>"19",
10.0=>fa0,20.0=>fb0,30.0=>"fc0",
11.0=>fa1,21.0=>fb1,31.0=>"fc1",
12.0=>fa2,22.0=>fb2,32.0=>"fc2",
13.0=>fa3,23.0=>fb3,33.0=>"fc3",
14.0=>fa4,24.0=>fb4,34.0=>"fc4",
15.0=>fa5,25.0=>fb5,35.0=>"fc5",
16.0=>fa6,26.0=>fb6,36.0=>"fc6",
17.0=>fa7,27.0=>fb7,37.0=>"fc7",
18.0=>fa8,28.0=>fb8,38.0=>"fc8",
19.0=>fa9,29.0=>fb9,39.0=>"fc9"}),
#{10:=a0,20:=b0,30:="c0","40":="d0",<<"50">>:="e0",{["00"]}:="10"} = M2,
#{11:=a1,21:=b1,31:="c1","41":="d1",<<"51">>:="e1",{["01"]}:="11"} = M2,
#{12:=a2,22:=b2,32:="c2","42":="d2",<<"52">>:="e2",{["02"]}:="12"} = M2,
#{13:=a3,23:=b3,33:="c3","43":="d3",<<"53">>:="e3",{["03"]}:="13"} = M2,
#{14:=a4,24:=b4,34:="c4","44":="d4",<<"54">>:="e4",{["04"]}:="14"} = M2,
#{15:=a5,25:=b5,35:="c5","45":="d5",<<"55">>:="e5",{["05"]}:="15"} = M2,
#{16:=a6,26:=b6,36:="c6","46":="d6",<<"56">>:="e6",{["06"]}:="16"} = M2,
#{17:=a7,27:=b7,37:="c7","47":="d7",<<"57">>:="e7",{["07"]}:="17"} = M2,
#{18:=a8,28:=b8,38:="c8","48":="d8",<<"58">>:="e8",{["08"]}:="18"} = M2,
#{19:=a9,29:=b9,39:="c9","49":="d9",<<"59">>:="e9",{["09"]}:="19"} = M2,
#{10.0:=fa0,20.0:=fb0,30.0:="fc0","40":="d0",<<"50">>:="e0",{["00"]}:="10"} = M2,
#{11.0:=fa1,21.0:=fb1,31.0:="fc1","41":="d1",<<"51">>:="e1",{["01"]}:="11"} = M2,
#{12.0:=fa2,22.0:=fb2,32.0:="fc2","42":="d2",<<"52">>:="e2",{["02"]}:="12"} = M2,
#{13.0:=fa3,23.0:=fb3,33.0:="fc3","43":="d3",<<"53">>:="e3",{["03"]}:="13"} = M2,
#{14.0:=fa4,24.0:=fb4,34.0:="fc4","44":="d4",<<"54">>:="e4",{["04"]}:="14"} = M2,
#{15.0:=fa5,25.0:=fb5,35.0:="fc5","45":="d5",<<"55">>:="e5",{["05"]}:="15"} = M2,
#{16.0:=fa6,26.0:=fb6,36.0:="fc6","46":="d6",<<"56">>:="e6",{["06"]}:="16"} = M2,
#{17.0:=fa7,27.0:=fb7,37.0:="fc7","47":="d7",<<"57">>:="e7",{["07"]}:="17"} = M2,
#{18.0:=fa8,28.0:=fb8,38.0:="fc8","48":="d8",<<"58">>:="e8",{["08"]}:="18"} = M2,
#{19.0:=fa9,29.0:=fb9,39.0:="fc9","49":="d9",<<"59">>:="e9",{["09"]}:="19"} = M2,
90 = map_size(M2),
90 = maps:size(M2),
% with bignums
M3 = id(#{ 10=>a0,20=>b0,30=>"c0","40"=>"d0",<<"50">>=>"e0",{["00"]}=>"10",
11=>a1,21=>b1,31=>"c1","41"=>"d1",<<"51">>=>"e1",{["01"]}=>"11",
12=>a2,22=>b2,32=>"c2","42"=>"d2",<<"52">>=>"e2",{["02"]}=>"12",
13=>a3,23=>b3,33=>"c3","43"=>"d3",<<"53">>=>"e3",{["03"]}=>"13",
14=>a4,24=>b4,34=>"c4","44"=>"d4",<<"54">>=>"e4",{["04"]}=>"14",
15=>a5,25=>b5,35=>"c5","45"=>"d5",<<"55">>=>"e5",{["05"]}=>"15",
16=>a6,26=>b6,36=>"c6","46"=>"d6",<<"56">>=>"e6",{["06"]}=>"16",
17=>a7,27=>b7,37=>"c7","47"=>"d7",<<"57">>=>"e7",{["07"]}=>"17",
18=>a8,28=>b8,38=>"c8","48"=>"d8",<<"58">>=>"e8",{["08"]}=>"18",
19=>a9,29=>b9,39=>"c9","49"=>"d9",<<"59">>=>"e9",{["09"]}=>"19",
10.0=>fa0,20.0=>fb0,30.0=>"fc0",
11.0=>fa1,21.0=>fb1,31.0=>"fc1",
12.0=>fa2,22.0=>fb2,32.0=>"fc2",
13.0=>fa3,23.0=>fb3,33.0=>"fc3",
14.0=>fa4,24.0=>fb4,34.0=>"fc4",
15.0=>fa5,25.0=>fb5,35.0=>"fc5",
16.0=>fa6,26.0=>fb6,36.0=>"fc6",
17.0=>fa7,27.0=>fb7,37.0=>"fc7",
18.0=>fa8,28.0=>fb8,38.0=>"fc8",
19.0=>fa9,29.0=>fb9,39.0=>"fc9",
36893488147419103232=>big1, 73786976294838206464=>big2,
147573952589676412928=>big3, 18446744073709551616=>big4,
4294967296=>big5, 8589934592=>big6,
4294967295=>big7, 67108863=>big8
}),
#{10:=a0,20:=b0,30:="c0","40":="d0",<<"50">>:="e0",{["00"]}:="10"} = M3,
#{11:=a1,21:=b1,31:="c1","41":="d1",<<"51">>:="e1",{["01"]}:="11"} = M3,
#{12:=a2,22:=b2,32:="c2","42":="d2",<<"52">>:="e2",{["02"]}:="12"} = M3,
#{13:=a3,23:=b3,33:="c3","43":="d3",<<"53">>:="e3",{["03"]}:="13"} = M3,
#{14:=a4,24:=b4,34:="c4","44":="d4",<<"54">>:="e4",{["04"]}:="14"} = M3,
#{15:=a5,25:=b5,35:="c5","45":="d5",<<"55">>:="e5",{["05"]}:="15"} = M3,
#{16:=a6,26:=b6,36:="c6","46":="d6",<<"56">>:="e6",{["06"]}:="16"} = M3,
#{17:=a7,27:=b7,37:="c7","47":="d7",<<"57">>:="e7",{["07"]}:="17"} = M3,
#{18:=a8,28:=b8,38:="c8","48":="d8",<<"58">>:="e8",{["08"]}:="18"} = M3,
#{19:=a9,29:=b9,39:="c9","49":="d9",<<"59">>:="e9",{["09"]}:="19"} = M3,
#{10.0:=fa0,20.0:=fb0,30.0:="fc0","40":="d0",<<"50">>:="e0",{["00"]}:="10"} = M3,
#{11.0:=fa1,21.0:=fb1,31.0:="fc1","41":="d1",<<"51">>:="e1",{["01"]}:="11"} = M3,
#{12.0:=fa2,22.0:=fb2,32.0:="fc2","42":="d2",<<"52">>:="e2",{["02"]}:="12"} = M3,
#{13.0:=fa3,23.0:=fb3,33.0:="fc3","43":="d3",<<"53">>:="e3",{["03"]}:="13"} = M3,
#{14.0:=fa4,24.0:=fb4,34.0:="fc4","44":="d4",<<"54">>:="e4",{["04"]}:="14"} = M3,
#{15.0:=fa5,25.0:=fb5,35.0:="fc5","45":="d5",<<"55">>:="e5",{["05"]}:="15"} = M3,
#{16.0:=fa6,26.0:=fb6,36.0:="fc6","46":="d6",<<"56">>:="e6",{["06"]}:="16"} = M3,
#{17.0:=fa7,27.0:=fb7,37.0:="fc7","47":="d7",<<"57">>:="e7",{["07"]}:="17"} = M3,
#{18.0:=fa8,28.0:=fb8,38.0:="fc8","48":="d8",<<"58">>:="e8",{["08"]}:="18"} = M3,
#{19.0:=fa9,29.0:=fb9,39.0:="fc9","49":="d9",<<"59">>:="e9",{["09"]}:="19"} = M3,
#{36893488147419103232:=big1,67108863:=big8,"45":="d5",<<"55">>:="e5",{["05"]}:="15"} = M3,
#{147573952589676412928:=big3,8589934592:=big6,"46":="d6",<<"56">>:="e6",{["06"]}:="16"} = M3,
#{4294967296:=big5,18446744073709551616:=big4,"47":="d7",<<"57">>:="e7",{["07"]}:="17"} = M3,
#{4294967295:=big7,73786976294838206464:=big2,"48":="d8",<<"58">>:="e8",{["08"]}:="18"} = M3,
98 = map_size(M3),
98 = maps:size(M3),
%% with maps
M4 = id(#{ 10=>a0,20=>b0,30=>"c0","40"=>"d0",<<"50">>=>"e0",{["00"]}=>"10",
11=>a1,21=>b1,31=>"c1","41"=>"d1",<<"51">>=>"e1",{["01"]}=>"11",
12=>a2,22=>b2,32=>"c2","42"=>"d2",<<"52">>=>"e2",{["02"]}=>"12",
13=>a3,23=>b3,33=>"c3","43"=>"d3",<<"53">>=>"e3",{["03"]}=>"13",
14=>a4,24=>b4,34=>"c4","44"=>"d4",<<"54">>=>"e4",{["04"]}=>"14",
15=>a5,25=>b5,35=>"c5","45"=>"d5",<<"55">>=>"e5",{["05"]}=>"15",
16=>a6,26=>b6,36=>"c6","46"=>"d6",<<"56">>=>"e6",{["06"]}=>"16",
17=>a7,27=>b7,37=>"c7","47"=>"d7",<<"57">>=>"e7",{["07"]}=>"17",
18=>a8,28=>b8,38=>"c8","48"=>"d8",<<"58">>=>"e8",{["08"]}=>"18",
19=>a9,29=>b9,39=>"c9","49"=>"d9",<<"59">>=>"e9",{["09"]}=>"19",
10.0=>fa0,20.0=>fb0,30.0=>"fc0",
11.0=>fa1,21.0=>fb1,31.0=>"fc1",
12.0=>fa2,22.0=>fb2,32.0=>"fc2",
13.0=>fa3,23.0=>fb3,33.0=>"fc3",
14.0=>fa4,24.0=>fb4,34.0=>"fc4",
15.0=>fa5,25.0=>fb5,35.0=>"fc5",
16.0=>fa6,26.0=>fb6,36.0=>"fc6",
17.0=>fa7,27.0=>fb7,37.0=>"fc7",
18.0=>fa8,28.0=>fb8,38.0=>"fc8",
19.0=>fa9,29.0=>fb9,39.0=>"fc9",
#{ one => small, map => key } => "small map key 1",
#{ second => small, map => key } => "small map key 2",
#{ third => small, map => key } => "small map key 3",
#{ 10=>a0,20=>b0,30=>"c0","40"=>"d0",<<"50">>=>"e0",{["00"]}=>"10",
11=>a1,21=>b1,31=>"c1","41"=>"d1",<<"51">>=>"e1",{["01"]}=>"11",
12=>a2,22=>b2,32=>"c2","42"=>"d2",<<"52">>=>"e2",{["02"]}=>"12",
13=>a3,23=>b3,33=>"c3","43"=>"d3",<<"53">>=>"e3",{["03"]}=>"13",
14=>a4,24=>b4,34=>"c4","44"=>"d4",<<"54">>=>"e4",{["04"]}=>"14",
15=>a5,25=>b5,35=>"c5","45"=>"d5",<<"55">>=>"e5",{["05"]}=>"15",
16=>a6,26=>b6,36=>"c6","46"=>"d6",<<"56">>=>"e6",{["06"]}=>"16",
17=>a7,27=>b7,37=>"c7","47"=>"d7",<<"57">>=>"e7",{["07"]}=>"17",
18=>a8,28=>b8,38=>"c8","48"=>"d8",<<"58">>=>"e8",{["08"]}=>"18",
19=>a9,29=>b9,39=>"c9","49"=>"d9",<<"59">>=>"e9",{["09"]}=>"19" } => "large map key 1",
#{ 10=>a0,20=>b0,30=>"c0","40"=>"d0",<<"50">>=>"e0",{["00"]}=>"10",
11=>a1,21=>b1,31=>"c1","41"=>"d1",<<"51">>=>"e1",{["01"]}=>"11",
12=>a2,22=>b2,32=>"c2","42"=>"d2",<<"52">>=>"e2",{["02"]}=>"12",
13=>a3,23=>b3,33=>"c3","43"=>"d3",<<"53">>=>"e3",{["03"]}=>"13",
14=>a4,24=>b4,34=>"c4","44"=>"d4",<<"54">>=>"e4",{["04"]}=>"14",
15=>a5,25=>b5,35=>"c5","45"=>"d5",<<"55">>=>"e5",{["05"]}=>"15",
k16=>a6,k26=>b6,k36=>"c6","46"=>"d6",<<"56">>=>"e6",{["06"]}=>"16",
17=>a7,27=>b7,37=>"c7","47"=>"d7",<<"57">>=>"e7",{["07"]}=>"17",
18=>a8,28=>b8,38=>"c8","48"=>"d8",<<"58">>=>"e8",{["08"]}=>"18",
19=>a9,29=>b9,39=>"c9","49"=>"d9",<<"59">>=>"e9",{["09"]}=>"19" } => "large map key 2" }),
#{10:=a0,20:=b0,30:="c0","40":="d0",<<"50">>:="e0",{["00"]}:="10"} = M4,
#{11:=a1,21:=b1,31:="c1","41":="d1",<<"51">>:="e1",{["01"]}:="11"} = M4,
#{12:=a2,22:=b2,32:="c2","42":="d2",<<"52">>:="e2",{["02"]}:="12"} = M4,
#{13:=a3,23:=b3,33:="c3","43":="d3",<<"53">>:="e3",{["03"]}:="13"} = M4,
#{14:=a4,24:=b4,34:="c4","44":="d4",<<"54">>:="e4",{["04"]}:="14"} = M4,
#{15:=a5,25:=b5,35:="c5","45":="d5",<<"55">>:="e5",{["05"]}:="15"} = M4,
#{16:=a6,26:=b6,36:="c6","46":="d6",<<"56">>:="e6",{["06"]}:="16"} = M4,
#{17:=a7,27:=b7,37:="c7","47":="d7",<<"57">>:="e7",{["07"]}:="17"} = M4,
#{18:=a8,28:=b8,38:="c8","48":="d8",<<"58">>:="e8",{["08"]}:="18"} = M4,
#{19:=a9,29:=b9,39:="c9","49":="d9",<<"59">>:="e9",{["09"]}:="19"} = M4,
#{ #{ one => small, map => key } := "small map key 1",
#{ second => small, map => key } := "small map key 2",
#{ third => small, map => key } := "small map key 3" } = M4,
#{ #{ 10=>a0,20=>b0,30=>"c0","40"=>"d0",<<"50">>=>"e0",{["00"]}=>"10",
11=>a1,21=>b1,31=>"c1","41"=>"d1",<<"51">>=>"e1",{["01"]}=>"11",
12=>a2,22=>b2,32=>"c2","42"=>"d2",<<"52">>=>"e2",{["02"]}=>"12",
13=>a3,23=>b3,33=>"c3","43"=>"d3",<<"53">>=>"e3",{["03"]}=>"13",
14=>a4,24=>b4,34=>"c4","44"=>"d4",<<"54">>=>"e4",{["04"]}=>"14",
15=>a5,25=>b5,35=>"c5","45"=>"d5",<<"55">>=>"e5",{["05"]}=>"15",
16=>a6,26=>b6,36=>"c6","46"=>"d6",<<"56">>=>"e6",{["06"]}=>"16",
17=>a7,27=>b7,37=>"c7","47"=>"d7",<<"57">>=>"e7",{["07"]}=>"17",
18=>a8,28=>b8,38=>"c8","48"=>"d8",<<"58">>=>"e8",{["08"]}=>"18",
19=>a9,29=>b9,39=>"c9","49"=>"d9",<<"59">>=>"e9",{["09"]}=>"19" } := "large map key 1",
#{ 10=>a0,20=>b0,30=>"c0","40"=>"d0",<<"50">>=>"e0",{["00"]}=>"10",
11=>a1,21=>b1,31=>"c1","41"=>"d1",<<"51">>=>"e1",{["01"]}=>"11",
12=>a2,22=>b2,32=>"c2","42"=>"d2",<<"52">>=>"e2",{["02"]}=>"12",
13=>a3,23=>b3,33=>"c3","43"=>"d3",<<"53">>=>"e3",{["03"]}=>"13",
14=>a4,24=>b4,34=>"c4","44"=>"d4",<<"54">>=>"e4",{["04"]}=>"14",
15=>a5,25=>b5,35=>"c5","45"=>"d5",<<"55">>=>"e5",{["05"]}=>"15",
k16=>a6,k26=>b6,k36=>"c6","46"=>"d6",<<"56">>=>"e6",{["06"]}=>"16",
17=>a7,27=>b7,37=>"c7","47"=>"d7",<<"57">>=>"e7",{["07"]}=>"17",
18=>a8,28=>b8,38=>"c8","48"=>"d8",<<"58">>=>"e8",{["08"]}=>"18",
19=>a9,29=>b9,39=>"c9","49"=>"d9",<<"59">>=>"e9",{["09"]}=>"19" } := "large map key 2" } = M4,
#{ 15:=V1,25:=b5,35:=V2,"45":="d5",<<"55">>:=V3,{["05"]}:="15",
#{ one => small, map => key } := "small map key 1",
#{ second => small, map => key } := V4,
#{ third => small, map => key } := "small map key 3",
#{ 10=>a0,20=>b0,30=>"c0","40"=>"d0",<<"50">>=>"e0",{["00"]}=>"10",
11=>a1,21=>b1,31=>"c1","41"=>"d1",<<"51">>=>"e1",{["01"]}=>"11",
12=>a2,22=>b2,32=>"c2","42"=>"d2",<<"52">>=>"e2",{["02"]}=>"12",
13=>a3,23=>b3,33=>"c3","43"=>"d3",<<"53">>=>"e3",{["03"]}=>"13",
14=>a4,24=>b4,34=>"c4","44"=>"d4",<<"54">>=>"e4",{["04"]}=>"14",
15=>a5,25=>b5,35=>"c5","45"=>"d5",<<"55">>=>"e5",{["05"]}=>"15",
16=>a6,26=>b6,36=>"c6","46"=>"d6",<<"56">>=>"e6",{["06"]}=>"16",
17=>a7,27=>b7,37=>"c7","47"=>"d7",<<"57">>=>"e7",{["07"]}=>"17",
18=>a8,28=>b8,38=>"c8","48"=>"d8",<<"58">>=>"e8",{["08"]}=>"18",
19=>a9,29=>b9,39=>"c9","49"=>"d9",<<"59">>=>"e9",{["09"]}=>"19" } := V5 } = M4,
a5 = V1,
"c5" = V2,
"e5" = V3,
"small map key 2" = V4,
"large map key 1" = V5,
95 = map_size(M4),
95 = maps:size(M4),
% call for value
M5 = id(#{ 10=>id(a0),20=>b0,30=>id("c0"),"40"=>"d0",<<"50">>=>id("e0"),{["00"]}=>"10",
11=>id(a1),21=>b1,31=>id("c1"),"41"=>"d1",<<"51">>=>id("e1"),{["01"]}=>"11",
12=>id(a2),22=>b2,32=>id("c2"),"42"=>"d2",<<"52">>=>id("e2"),{["02"]}=>"12",
13=>id(a3),23=>b3,33=>id("c3"),"43"=>"d3",<<"53">>=>id("e3"),{["03"]}=>"13",
14=>id(a4),24=>b4,34=>id("c4"),"44"=>"d4",<<"54">>=>id("e4"),{["04"]}=>"14",
15=>id(a5),25=>b5,35=>id("c5"),"45"=>"d5",<<"55">>=>id("e5"),{["05"]}=>"15",
16=>id(a6),26=>b6,36=>id("c6"),"46"=>"d6",<<"56">>=>id("e6"),{["06"]}=>"16",
17=>id(a7),27=>b7,37=>id("c7"),"47"=>"d7",<<"57">>=>id("e7"),{["07"]}=>"17",
18=>id(a8),28=>b8,38=>id("c8"),"48"=>"d8",<<"58">>=>id("e8"),{["08"]}=>"18",
19=>id(a9),29=>b9,39=>id("c9"),"49"=>"d9",<<"59">>=>id("e9"),{["09"]}=>"19",
10.0=>fa0,20.0=>id(fb0),30.0=>id("fc0"),
11.0=>fa1,21.0=>id(fb1),31.0=>id("fc1"),
12.0=>fa2,22.0=>id(fb2),32.0=>id("fc2"),
13.0=>fa3,23.0=>id(fb3),33.0=>id("fc3"),
14.0=>fa4,24.0=>id(fb4),34.0=>id("fc4"),
15.0=>fa5,25.0=>id(fb5),35.0=>id("fc5"),
16.0=>fa6,26.0=>id(fb6),36.0=>id("fc6"),
17.0=>fa7,27.0=>id(fb7),37.0=>id("fc7"),
18.0=>fa8,28.0=>id(fb8),38.0=>id("fc8"),
19.0=>fa9,29.0=>id(fb9),39.0=>id("fc9"),
#{ one => small, map => key } => id("small map key 1"),
#{ second => small, map => key } => "small map key 2",
#{ third => small, map => key } => "small map key 3",
#{ 10=>a0,20=>b0,30=>"c0","40"=>"d0",<<"50">>=>"e0",{["00"]}=>"10",
11=>a1,21=>b1,31=>"c1","41"=>"d1",<<"51">>=>"e1",{["01"]}=>"11",
12=>a2,22=>b2,32=>"c2","42"=>"d2",<<"52">>=>"e2",{["02"]}=>"12",
13=>a3,23=>b3,33=>"c3","43"=>"d3",<<"53">>=>"e3",{["03"]}=>"13",
14=>a4,24=>b4,34=>"c4","44"=>"d4",<<"54">>=>"e4",{["04"]}=>"14",
15=>a5,25=>b5,35=>"c5","45"=>"d5",<<"55">>=>"e5",{["05"]}=>"15",
16=>a6,26=>b6,36=>"c6","46"=>"d6",<<"56">>=>"e6",{["06"]}=>"16",
17=>a7,27=>b7,37=>"c7","47"=>"d7",<<"57">>=>"e7",{["07"]}=>"17",
18=>a8,28=>b8,38=>"c8","48"=>"d8",<<"58">>=>"e8",{["08"]}=>"18",
19=>a9,29=>b9,39=>"c9","49"=>"d9",<<"59">>=>"e9",{["09"]}=>"19" } => "large map key 1",
#{ 10=>a0,20=>b0,30=>"c0","40"=>"d0",<<"50">>=>"e0",{["00"]}=>"10",
11=>a1,21=>b1,31=>"c1","41"=>"d1",<<"51">>=>"e1",{["01"]}=>"11",
12=>a2,22=>b2,32=>"c2","42"=>"d2",<<"52">>=>"e2",{["02"]}=>"12",
13=>a3,23=>b3,33=>"c3","43"=>"d3",<<"53">>=>"e3",{["03"]}=>"13",
14=>a4,24=>b4,34=>"c4","44"=>"d4",<<"54">>=>"e4",{["04"]}=>"14",
15=>a5,25=>b5,35=>"c5","45"=>"d5",<<"55">>=>"e5",{["05"]}=>"15",
k16=>a6,k26=>b6,k36=>"c6","46"=>"d6",<<"56">>=>"e6",{["06"]}=>"16",
17=>a7,27=>b7,37=>"c7","47"=>"d7",<<"57">>=>"e7",{["07"]}=>"17",
18=>a8,28=>b8,38=>"c8","48"=>"d8",<<"58">>=>"e8",{["08"]}=>"18",
19=>a9,29=>b9,39=>"c9","49"=>"d9",<<"59">>=>"e9",{["09"]}=>"19" } => id("large map key 2") }),
#{10:=a0,20:=b0,30:="c0","40":="d0",<<"50">>:="e0",{["00"]}:="10"} = M5,
#{11:=a1,21:=b1,31:="c1","41":="d1",<<"51">>:="e1",{["01"]}:="11"} = M5,
#{12:=a2,22:=b2,32:="c2","42":="d2",<<"52">>:="e2",{["02"]}:="12"} = M5,
#{13:=a3,23:=b3,33:="c3","43":="d3",<<"53">>:="e3",{["03"]}:="13"} = M5,
#{14:=a4,24:=b4,34:="c4","44":="d4",<<"54">>:="e4",{["04"]}:="14"} = M5,
#{15:=a5,25:=b5,35:="c5","45":="d5",<<"55">>:="e5",{["05"]}:="15"} = M5,
#{16:=a6,26:=b6,36:="c6","46":="d6",<<"56">>:="e6",{["06"]}:="16"} = M5,
#{17:=a7,27:=b7,37:="c7","47":="d7",<<"57">>:="e7",{["07"]}:="17"} = M5,
#{18:=a8,28:=b8,38:="c8","48":="d8",<<"58">>:="e8",{["08"]}:="18"} = M5,
#{19:=a9,29:=b9,39:="c9","49":="d9",<<"59">>:="e9",{["09"]}:="19"} = M5,
#{ #{ one => small, map => key } := "small map key 1",
#{ second => small, map => key } := "small map key 2",
#{ third => small, map => key } := "small map key 3" } = M5,
#{ #{ 10=>a0,20=>b0,30=>"c0","40"=>"d0",<<"50">>=>"e0",{["00"]}=>"10",
11=>a1,21=>b1,31=>"c1","41"=>"d1",<<"51">>=>"e1",{["01"]}=>"11",
12=>a2,22=>b2,32=>"c2","42"=>"d2",<<"52">>=>"e2",{["02"]}=>"12",
13=>a3,23=>b3,33=>"c3","43"=>"d3",<<"53">>=>"e3",{["03"]}=>"13",
14=>a4,24=>b4,34=>"c4","44"=>"d4",<<"54">>=>"e4",{["04"]}=>"14",
15=>a5,25=>b5,35=>"c5","45"=>"d5",<<"55">>=>"e5",{["05"]}=>"15",
16=>a6,26=>b6,36=>"c6","46"=>"d6",<<"56">>=>"e6",{["06"]}=>"16",
17=>a7,27=>b7,37=>"c7","47"=>"d7",<<"57">>=>"e7",{["07"]}=>"17",
18=>a8,28=>b8,38=>"c8","48"=>"d8",<<"58">>=>"e8",{["08"]}=>"18",
19=>a9,29=>b9,39=>"c9","49"=>"d9",<<"59">>=>"e9",{["09"]}=>"19" } := "large map key 1",
#{ 10=>a0,20=>b0,30=>"c0","40"=>"d0",<<"50">>=>"e0",{["00"]}=>"10",
11=>a1,21=>b1,31=>"c1","41"=>"d1",<<"51">>=>"e1",{["01"]}=>"11",
12=>a2,22=>b2,32=>"c2","42"=>"d2",<<"52">>=>"e2",{["02"]}=>"12",
13=>a3,23=>b3,33=>"c3","43"=>"d3",<<"53">>=>"e3",{["03"]}=>"13",
14=>a4,24=>b4,34=>"c4","44"=>"d4",<<"54">>=>"e4",{["04"]}=>"14",
15=>a5,25=>b5,35=>"c5","45"=>"d5",<<"55">>=>"e5",{["05"]}=>"15",
k16=>a6,k26=>b6,k36=>"c6","46"=>"d6",<<"56">>=>"e6",{["06"]}=>"16",
17=>a7,27=>b7,37=>"c7","47"=>"d7",<<"57">>=>"e7",{["07"]}=>"17",
18=>a8,28=>b8,38=>"c8","48"=>"d8",<<"58">>=>"e8",{["08"]}=>"18",
19=>a9,29=>b9,39=>"c9","49"=>"d9",<<"59">>=>"e9",{["09"]}=>"19" } := "large map key 2" } = M5,
95 = map_size(M5),
95 = maps:size(M5),
%% remember
#{10:=a0,20:=b0,30:="c0","40":="d0",<<"50">>:="e0",{["00"]}:="10"} = M0,
#{11:=a1,21:=b1,31:="c1","41":="d1",<<"51">>:="e1",{["01"]}:="11"} = M0,
#{12:=a2,22:=b2,32:="c2","42":="d2",<<"52">>:="e2",{["02"]}:="12"} = M0,
#{13:=a3,23:=b3,33:="c3","43":="d3",<<"53">>:="e3",{["03"]}:="13"} = M0,
#{14:=a4,24:=b4,34:="c4","44":="d4",<<"54">>:="e4",{["04"]}:="14"} = M0,
#{10:=na0,20:=nb0,30:="nc0","40":="nd0",<<"50">>:="ne0",{["00"]}:="n10"} = M1,
#{11:=na1,21:=nb1,31:="nc1","41":="nd1",<<"51">>:="ne1",{["01"]}:="n11"} = M1,
#{12:=na2,22:=nb2,32:="nc2","42":="nd2",<<"52">>:="ne2",{["02"]}:="n12"} = M1,
#{13:=na3,23:=nb3,33:="nc3","43":="nd3",<<"53">>:="ne3",{["03"]}:="n13"} = M1,
#{14:=na4,24:=nb4,34:="nc4","44":="nd4",<<"54">>:="ne4",{["04"]}:="n14"} = M1,
#{15:=a5,25:=b5,35:="c5","45":="d5",<<"55">>:="e5",{["05"]}:="15"} = M1,
#{16:=a6,26:=b6,36:="c6","46":="d6",<<"56">>:="e6",{["06"]}:="16"} = M1,
#{17:=a7,27:=b7,37:="c7","47":="d7",<<"57">>:="e7",{["07"]}:="17"} = M1,
#{18:=a8,28:=b8,38:="c8","48":="d8",<<"58">>:="e8",{["08"]}:="18"} = M1,
#{19:=a9,29:=b9,39:="c9","49":="d9",<<"59">>:="e9",{["09"]}:="19"} = M1,
#{15:=a5,25:=b5,35:="c5","45":="d5",<<"55">>:="e5",{["05"]}:="15"} = M2,
#{16:=a6,26:=b6,36:="c6","46":="d6",<<"56">>:="e6",{["06"]}:="16"} = M2,
#{17:=a7,27:=b7,37:="c7","47":="d7",<<"57">>:="e7",{["07"]}:="17"} = M2,
#{18:=a8,28:=b8,38:="c8","48":="d8",<<"58">>:="e8",{["08"]}:="18"} = M2,
#{19:=a9,29:=b9,39:="c9","49":="d9",<<"59">>:="e9",{["09"]}:="19"} = M2,
#{10.0:=fa0,20.0:=fb0,30.0:="fc0","40":="d0",<<"50">>:="e0",{["00"]}:="10"} = M2,
#{11.0:=fa1,21.0:=fb1,31.0:="fc1","41":="d1",<<"51">>:="e1",{["01"]}:="11"} = M2,
#{12.0:=fa2,22.0:=fb2,32.0:="fc2","42":="d2",<<"52">>:="e2",{["02"]}:="12"} = M2,
#{13.0:=fa3,23.0:=fb3,33.0:="fc3","43":="d3",<<"53">>:="e3",{["03"]}:="13"} = M2,
#{14.0:=fa4,24.0:=fb4,34.0:="fc4","44":="d4",<<"54">>:="e4",{["04"]}:="14"} = M2,
#{15:=a5,25:=b5,35:="c5","45":="d5",<<"55">>:="e5",{["05"]}:="15"} = M3,
#{16:=a6,26:=b6,36:="c6","46":="d6",<<"56">>:="e6",{["06"]}:="16"} = M3,
#{17:=a7,27:=b7,37:="c7","47":="d7",<<"57">>:="e7",{["07"]}:="17"} = M3,
#{18:=a8,28:=b8,38:="c8","48":="d8",<<"58">>:="e8",{["08"]}:="18"} = M3,
#{19:=a9,29:=b9,39:="c9","49":="d9",<<"59">>:="e9",{["09"]}:="19"} = M3,
#{10.0:=fa0,20.0:=fb0,30.0:="fc0","40":="d0",<<"50">>:="e0",{["00"]}:="10"} = M3,
#{11.0:=fa1,21.0:=fb1,31.0:="fc1","41":="d1",<<"51">>:="e1",{["01"]}:="11"} = M3,
#{12.0:=fa2,22.0:=fb2,32.0:="fc2","42":="d2",<<"52">>:="e2",{["02"]}:="12"} = M3,
#{13.0:=fa3,23.0:=fb3,33.0:="fc3","43":="d3",<<"53">>:="e3",{["03"]}:="13"} = M3,
#{14.0:=fa4,24.0:=fb4,34.0:="fc4","44":="d4",<<"54">>:="e4",{["04"]}:="14"} = M3,
#{15.0:=fa5,25.0:=fb5,35.0:="fc5","45":="d5",<<"55">>:="e5",{["05"]}:="15"} = M3,
#{16.0:=fa6,26.0:=fb6,36.0:="fc6","46":="d6",<<"56">>:="e6",{["06"]}:="16"} = M3,
#{17.0:=fa7,27.0:=fb7,37.0:="fc7","47":="d7",<<"57">>:="e7",{["07"]}:="17"} = M3,
#{18.0:=fa8,28.0:=fb8,38.0:="fc8","48":="d8",<<"58">>:="e8",{["08"]}:="18"} = M3,
#{19.0:=fa9,29.0:=fb9,39.0:="fc9","49":="d9",<<"59">>:="e9",{["09"]}:="19"} = M3,
#{36893488147419103232:=big1,67108863:=big8,"45":="d5",<<"55">>:="e5",{["05"]}:="15"} = M3,
#{147573952589676412928:=big3,8589934592:=big6,"46":="d6",<<"56">>:="e6",{["06"]}:="16"} = M3,
#{4294967296:=big5,18446744073709551616:=big4,"47":="d7",<<"57">>:="e7",{["07"]}:="17"} = M3,
#{4294967295:=big7,73786976294838206464:=big2,"48":="d8",<<"58">>:="e8",{["08"]}:="18"} = M3,
ok.
t_map_size(Config) when is_list(Config) ->
0 = map_size(id(#{})),
1 = map_size(id(#{a=>1})),
1 = map_size(id(#{a=>"wat"})),
2 = map_size(id(#{a=>1, b=>2})),
3 = map_size(id(#{a=>1, b=>2, b=>"3","33"=><<"n">>})),
true = map_is_size(#{a=>1}, 1),
true = map_is_size(#{a=>1, a=>2}, 1),
M = #{ "a" => 1, "b" => 2},
true = map_is_size(M, 2),
false = map_is_size(M, 3),
true = map_is_size(M#{ "a" => 2}, 2),
false = map_is_size(M#{ "c" => 2}, 2),
Ks = [build_key(fun(K) -> <<1,K:32,1>> end,I)||I<-lists:seq(1,100)],
ok = build_and_check_size(Ks,0,#{}),
%% try deep collisions
%% statistically we get another subtree at 50k -> 100k elements
%% Try to be nice and don't use too much memory in the testcase,
N = 500000,
Is = lists:seq(1,N),
N = map_size(maps:from_list([{I,I}||I<-Is])),
N = map_size(maps:from_list([{<<I:32>>,I}||I<-Is])),
N = map_size(maps:from_list([{integer_to_list(I),I}||I<-Is])),
N = map_size(maps:from_list([{float(I),I}||I<-Is])),
%% Error cases.
do_badmap(fun(T) ->
{'EXIT',{{badmap,T},_}} =
(catch map_size(T))
end),
ok.
build_and_check_size([K|Ks],N,M0) ->
N = map_size(M0),
M1 = M0#{ K => K },
build_and_check_size(Ks,N + 1,M1);
build_and_check_size([],N,M) ->
N = map_size(M),
ok.
map_is_size(M,N) when map_size(M) =:= N -> true;
map_is_size(_,_) -> false.
t_is_map(Config) when is_list(Config) ->
true = is_map(#{}),
true = is_map(#{a=>1}),
false = is_map({a,b}),
false = is_map(x),
if is_map(#{}) -> ok end,
if is_map(#{b=>1}) -> ok end,
if not is_map([1,2,3]) -> ok end,
if not is_map(x) -> ok end,
ok.
% test map updates without matching
t_update_literals_large(Config) when is_list(Config) ->
Map = id(#{ 10=>id(a0),20=>b0,30=>id("c0"),"40"=>"d0",<<"50">>=>id("e0"),{["00"]}=>"10",
11=>id(a1),21=>b1,31=>id("c1"),"41"=>"d1",<<"51">>=>id("e1"),{["01"]}=>"11",
12=>id(a2),22=>b2,32=>id("c2"),"42"=>"d2",<<"52">>=>id("e2"),{["02"]}=>"12",
13=>id(a3),23=>b3,33=>id("c3"),"43"=>"d3",<<"53">>=>id("e3"),{["03"]}=>"13",
14=>id(a4),24=>b4,34=>id("c4"),"44"=>"d4",<<"54">>=>id("e4"),{["04"]}=>"14",
15=>id(a5),25=>b5,35=>id("c5"),"45"=>"d5",<<"55">>=>id("e5"),{["05"]}=>"15",
16=>id(a6),26=>b6,36=>id("c6"),"46"=>"d6",<<"56">>=>id("e6"),{["06"]}=>"16",
17=>id(a7),27=>b7,37=>id("c7"),"47"=>"d7",<<"57">>=>id("e7"),{["07"]}=>"17",
18=>id(a8),28=>b8,38=>id("c8"),"48"=>"d8",<<"58">>=>id("e8"),{["08"]}=>"18",
19=>id(a9),29=>b9,39=>id("c9"),"49"=>"d9",<<"59">>=>id("e9"),{["09"]}=>"19",
10.0=>fa0,20.0=>id(fb0),30.0=>id("fc0"),
11.0=>fa1,21.0=>id(fb1),31.0=>id("fc1"),
12.0=>fa2,22.0=>id(fb2),32.0=>id("fc2"),
13.0=>fa3,23.0=>id(fb3),33.0=>id("fc3"),
14.0=>fa4,24.0=>id(fb4),34.0=>id("fc4"),
15.0=>fa5,25.0=>id(fb5),35.0=>id("fc5"),
16.0=>fa6,26.0=>id(fb6),36.0=>id("fc6"),
17.0=>fa7,27.0=>id(fb7),37.0=>id("fc7"),
18.0=>fa8,28.0=>id(fb8),38.0=>id("fc8"),
19.0=>fa9,29.0=>id(fb9),39.0=>id("fc9"),
#{ one => small, map => key } => id("small map key 1"),
#{ second => small, map => key } => "small map key 2",
#{ third => small, map => key } => "small map key 3",
#{ 10=>a0,20=>b0,30=>"c0","40"=>"d0",<<"50">>=>"e0",{["00"]}=>"10",
11=>a1,21=>b1,31=>"c1","41"=>"d1",<<"51">>=>"e1",{["01"]}=>"11",
12=>a2,22=>b2,32=>"c2","42"=>"d2",<<"52">>=>"e2",{["02"]}=>"12",
13=>a3,23=>b3,33=>"c3","43"=>"d3",<<"53">>=>"e3",{["03"]}=>"13",
14=>a4,24=>b4,34=>"c4","44"=>"d4",<<"54">>=>"e4",{["04"]}=>"14",
15=>a5,25=>b5,35=>"c5","45"=>"d5",<<"55">>=>"e5",{["05"]}=>"15",
16=>a6,26=>b6,36=>"c6","46"=>"d6",<<"56">>=>"e6",{["06"]}=>"16",
17=>a7,27=>b7,37=>"c7","47"=>"d7",<<"57">>=>"e7",{["07"]}=>"17",
18=>a8,28=>b8,38=>"c8","48"=>"d8",<<"58">>=>"e8",{["08"]}=>"18",
19=>a9,29=>b9,39=>"c9","49"=>"d9",<<"59">>=>"e9",{["09"]}=>"19" } => "large map key 1",
#{ 10=>a0,20=>b0,30=>"c0","40"=>"d0",<<"50">>=>"e0",{["00"]}=>"10",
11=>a1,21=>b1,31=>"c1","41"=>"d1",<<"51">>=>"e1",{["01"]}=>"11",
12=>a2,22=>b2,32=>"c2","42"=>"d2",<<"52">>=>"e2",{["02"]}=>"12",
13=>a3,23=>b3,33=>"c3","43"=>"d3",<<"53">>=>"e3",{["03"]}=>"13",
14=>a4,24=>b4,34=>"c4","44"=>"d4",<<"54">>=>"e4",{["04"]}=>"14",
15=>a5,25=>b5,35=>"c5","45"=>"d5",<<"55">>=>"e5",{["05"]}=>"15",
k16=>a6,k26=>b6,k36=>"c6","46"=>"d6",<<"56">>=>"e6",{["06"]}=>"16",
17=>a7,27=>b7,37=>"c7","47"=>"d7",<<"57">>=>"e7",{["07"]}=>"17",
18=>a8,28=>b8,38=>"c8","48"=>"d8",<<"58">>=>"e8",{["08"]}=>"18",
19=>a9,29=>b9,39=>"c9","49"=>"d9",<<"59">>=>"e9",{["09"]}=>"19" } => id("large map key 2") }),
#{x:="d",q:="4"} = loop_update_literals_x_q(Map, [
{"a","1"},{"b","2"},{"c","3"},{"d","4"}
]),
ok.
t_update_literals(Config) when is_list(Config) ->
Map = #{x=>1,y=>2,z=>3,q=>4},
#{x:="d",q:="4"} = loop_update_literals_x_q(Map, [
{"a","1"},{"b","2"},{"c","3"},{"d","4"}
]),
ok.
loop_update_literals_x_q(Map, []) -> Map;
loop_update_literals_x_q(Map, [{X,Q}|Vs]) ->
loop_update_literals_x_q(Map#{q=>Q,x=>X},Vs).
% test map updates with matching
t_match_and_update_literals(Config) when is_list(Config) ->
Map = #{ x=>0,y=>"untouched",z=>"also untouched",q=>1,
#{ "one" => small, map => key } => "small map key 1" },
#{x:=16,q:=21,y:="untouched",z:="also untouched"} = loop_match_and_update_literals_x_q(Map, [
{1,2},{3,4},{5,6},{7,8}
]),
M0 = id(#{ "hi" => "hello", int => 3, <<"key">> => <<"value">>,
4 => number, 18446744073709551629 => wat}),
M1 = id(#{}),
M2 = M1#{ "hi" => "hello", int => 3, <<"key">> => <<"value">>,
4 => number, 18446744073709551629 => wat},
M0 = M2,
#{ 4 := another_number, int := 3 } = M2#{ 4 => another_number },
ok.
t_match_and_update_literals_large(Config) when is_list(Config) ->
Map = id(#{ 10=>id(a0),20=>b0,30=>id("c0"),"40"=>"d0",<<"50">>=>id("e0"),{["00"]}=>"10",
11=>id(a1),21=>b1,31=>id("c1"),"41"=>"d1",<<"51">>=>id("e1"),{["01"]}=>"11",
12=>id(a2),22=>b2,32=>id("c2"),"42"=>"d2",<<"52">>=>id("e2"),{["02"]}=>"12",
13=>id(a3),23=>b3,33=>id("c3"),"43"=>"d3",<<"53">>=>id("e3"),{["03"]}=>"13",
14=>id(a4),24=>b4,34=>id("c4"),"44"=>"d4",<<"54">>=>id("e4"),{["04"]}=>"14",
15=>id(a5),25=>b5,35=>id("c5"),"45"=>"d5",<<"55">>=>id("e5"),{["05"]}=>"15",
16=>id(a6),26=>b6,36=>id("c6"),"46"=>"d6",<<"56">>=>id("e6"),{["06"]}=>"16",
17=>id(a7),27=>b7,37=>id("c7"),"47"=>"d7",<<"57">>=>id("e7"),{["07"]}=>"17",
18=>id(a8),28=>b8,38=>id("c8"),"48"=>"d8",<<"58">>=>id("e8"),{["08"]}=>"18",
19=>id(a9),29=>b9,39=>id("c9"),"49"=>"d9",<<"59">>=>id("e9"),{["09"]}=>"19",
10.0=>fa0,20.0=>id(fb0),30.0=>id("fc0"),
11.0=>fa1,21.0=>id(fb1),31.0=>id("fc1"),
12.0=>fa2,22.0=>id(fb2),32.0=>id("fc2"),
13.0=>fa3,23.0=>id(fb3),33.0=>id("fc3"),
14.0=>fa4,24.0=>id(fb4),34.0=>id("fc4"),
15.0=>fa5,25.0=>id(fb5),35.0=>id("fc5"),
16.0=>fa6,26.0=>id(fb6),36.0=>id("fc6"),
17.0=>fa7,27.0=>id(fb7),37.0=>id("fc7"),
18.0=>fa8,28.0=>id(fb8),38.0=>id("fc8"),
19.0=>fa9,29.0=>id(fb9),39.0=>id("fc9"),
x=>0,y=>"untouched",z=>"also untouched",q=>1,
#{ "one" => small, map => key } => id("small map key 1"),
#{ second => small, map => key } => "small map key 2",
#{ third => small, map => key } => "small map key 3",
#{ 10=>a0,20=>b0,30=>"c0","40"=>"d0",<<"50">>=>"e0",{["00"]}=>"10",
11=>a1,21=>b1,31=>"c1","41"=>"d1",<<"51">>=>"e1",{["01"]}=>"11",
12=>a2,22=>b2,32=>"c2","42"=>"d2",<<"52">>=>"e2",{["02"]}=>"12",
13=>a3,23=>b3,33=>"c3","43"=>"d3",<<"53">>=>"e3",{["03"]}=>"13",
14=>a4,24=>b4,34=>"c4","44"=>"d4",<<"54">>=>"e4",{["04"]}=>"14",
15=>a5,25=>b5,35=>"c5","45"=>"d5",<<"55">>=>"e5",{["05"]}=>"15",
16=>a6,26=>b6,36=>"c6","46"=>"d6",<<"56">>=>"e6",{["06"]}=>"16",
17=>a7,27=>b7,37=>"c7","47"=>"d7",<<"57">>=>"e7",{["07"]}=>"17",
18=>a8,28=>b8,38=>"c8","48"=>"d8",<<"58">>=>"e8",{["08"]}=>"18",
19=>a9,29=>b9,39=>"c9","49"=>"d9",<<"59">>=>"e9",{["09"]}=>"19" } => "large map key 1",
#{ 10=>a0,20=>b0,30=>"c0","40"=>"d0",<<"50">>=>"e0",{["00"]}=>"10",
11=>a1,21=>b1,31=>"c1","41"=>"d1",<<"51">>=>"e1",{["01"]}=>"11",
12=>a2,22=>b2,32=>"c2","42"=>"d2",<<"52">>=>"e2",{["02"]}=>"12",
13=>a3,23=>b3,33=>"c3","43"=>"d3",<<"53">>=>"e3",{["03"]}=>"13",
14=>a4,24=>b4,34=>"c4","44"=>"d4",<<"54">>=>"e4",{["04"]}=>"14",
15=>a5,25=>b5,35=>"c5","45"=>"d5",<<"55">>=>"e5",{["05"]}=>"15",
k16=>a6,k26=>b6,k36=>"c6","46"=>"d6",<<"56">>=>"e6",{["06"]}=>"16",
17=>a7,27=>b7,37=>"c7","47"=>"d7",<<"57">>=>"e7",{["07"]}=>"17",
18=>a8,28=>b8,38=>"c8","48"=>"d8",<<"58">>=>"e8",{["08"]}=>"18",
19=>a9,29=>b9,39=>"c9","49"=>"d9",<<"59">>=>"e9",{["09"]}=>"19" } => id("large map key 2") }),
#{x:=16,q:=21,y:="untouched",z:="also untouched"} = loop_match_and_update_literals_x_q(Map, [
{1,2},{3,4},{5,6},{7,8}
]),
M0 = id(Map#{ "hi" => "hello", int => 3, <<"key">> => <<"value">>,
4 => number, 18446744073709551629 => wat}),
M1 = id(Map#{}),
M2 = M1#{ "hi" => "hello", int => 3, <<"key">> => <<"value">>,
4 => number, 18446744073709551629 => wat},
M0 = M2,
#{ 4 := another_number, int := 3 } = M2#{ 4 => another_number },
ok.
loop_match_and_update_literals_x_q(Map, []) -> Map;
loop_match_and_update_literals_x_q(#{ q:=Q0, x:=X0,
#{ "one" => small, map => key } := "small map key 1" } = Map, [{X,Q}|Vs]) ->
loop_match_and_update_literals_x_q(Map#{q=>Q0+Q,x=>X0+X},Vs).
t_update_map_expressions(Config) when is_list(Config) ->
M = maps:new(),
#{ a := 1 } = M#{a => 1},
#{ b := 2 } = (maps:new())#{ b => 2 },
#{ a :=42, b:=42, c:=42 } = (maps:from_list([{a,1},{b,2},{c,3}]))#{ a := 42, b := 42, c := 42 },
#{ "a" :=1, "b":=42, "c":=42 } = (maps:from_list([{"a",1},{"b",2}]))#{ "b" := 42, "c" => 42 },
Ks = lists:seq($a,$z),
#{ "aa" := {$a,$a}, "ac":=41, "dc":=42 } =
(maps:from_list([{[K1,K2],{K1,K2}}|| K1 <- Ks, K2 <- Ks]))#{ "ac" := 41, "dc" => 42 },
%% Error cases.
do_badmap(fun(T) ->
{'EXIT',{{badmap,T},_}} =
(catch (T)#{a:=42,b=>2})
end),
ok.
t_update_assoc(Config) when is_list(Config) ->
M0 = id(#{1=>a,2=>b,3.0=>c,4=>d,5=>e}),
M1 = M0#{1=>42,2=>100,4=>[a,b,c]},
#{1:=42,2:=100,3.0:=c,4:=[a,b,c],5:=e} = M1,
#{1:=42,2:=b,4:=d,5:=e,2.0:=100,3.0:=c,4.0:=[a,b,c]} = M0#{1.0=>float,1:=42,2.0=>wrong,2.0=>100,4.0=>[a,b,c]},
M2 = M0#{3.0=>new},
#{1:=a,2:=b,3.0:=new,4:=d,5:=e} = M2,
M2 = M0#{3.0:=wrong,3.0=>new},
%% Errors cases.
do_badmap(fun(T) ->
{'EXIT',{{badmap,T},_}} =
(catch T#{nonexisting=>val})
end),
ok.
t_update_assoc_large(Config) when is_list(Config) ->
M0 = id(#{ 10=>a0,20=>b0,30=>"c0","40"=>"d0",<<"50">>=>"e0",{["00"]}=>"10",
11=>a1,21=>b1,31=>"c1","41"=>"d1",<<"51">>=>"e1",{["01"]}=>"11",
12=>a2,22=>b2,32=>"c2","42"=>"d2",<<"52">>=>"e2",{["02"]}=>"12",
13=>a3,23=>b3,33=>"c3","43"=>"d3",<<"53">>=>"e3",{["03"]}=>"13",
14=>a4,24=>b4,34=>"c4","44"=>"d4",<<"54">>=>"e4",{["04"]}=>"14",
15=>a5,25=>b5,35=>"c5","45"=>"d5",<<"55">>=>"e5",{["05"]}=>"15",
16=>a6,26=>b6,36=>"c6","46"=>"d6",<<"56">>=>"e6",{["06"]}=>"16",
17=>a7,27=>b7,37=>"c7","47"=>"d7",<<"57">>=>"e7",{["07"]}=>"17",
18=>a8,28=>b8,38=>"c8","48"=>"d8",<<"58">>=>"e8",{["08"]}=>"18",
19=>a9,29=>b9,39=>"c9","49"=>"d9",<<"59">>=>"e9",{["09"]}=>"19",
10.0=>fa0,20.0=>fb0,30.0=>"fc0",
11.0=>fa1,21.0=>fb1,31.0=>"fc1",
12.0=>fa2,22.0=>fb2,32.0=>"fc2",
13.0=>fa3,23.0=>fb3,33.0=>"fc3",
14.0=>fa4,24.0=>fb4,34.0=>"fc4",
15.0=>fa5,25.0=>fb5,35.0=>"fc5",
16.0=>fa6,26.0=>fb6,36.0=>"fc6",
17.0=>fa7,27.0=>fb7,37.0=>"fc7",
18.0=>fa8,28.0=>fb8,38.0=>"fc8",
19.0=>fa9,29.0=>fb9,39.0=>"fc9",
#{ one => small, map => key } => "small map key 1",
#{ second => small, map => key } => "small map key 2",
#{ third => small, map => key } => "small map key 3",
#{ 10=>a0,20=>b0,30=>"c0","40"=>"d0",<<"50">>=>"e0",{["00"]}=>"10",
11=>a1,21=>b1,31=>"c1","41"=>"d1",<<"51">>=>"e1",{["01"]}=>"11",
12=>a2,22=>b2,32=>"c2","42"=>"d2",<<"52">>=>"e2",{["02"]}=>"12",
13=>a3,23=>b3,33=>"c3","43"=>"d3",<<"53">>=>"e3",{["03"]}=>"13",
14=>a4,24=>b4,34=>"c4","44"=>"d4",<<"54">>=>"e4",{["04"]}=>"14",
15=>a5,25=>b5,35=>"c5","45"=>"d5",<<"55">>=>"e5",{["05"]}=>"15",
16=>a6,26=>b6,36=>"c6","46"=>"d6",<<"56">>=>"e6",{["06"]}=>"16",
17=>a7,27=>b7,37=>"c7","47"=>"d7",<<"57">>=>"e7",{["07"]}=>"17",
18=>a8,28=>b8,38=>"c8","48"=>"d8",<<"58">>=>"e8",{["08"]}=>"18",
19=>a9,29=>b9,39=>"c9","49"=>"d9",<<"59">>=>"e9",{["09"]}=>"19" } => "large map key 1",
#{ 10=>a0,20=>b0,30=>"c0","40"=>"d0",<<"50">>=>"e0",{["00"]}=>"10",
11=>a1,21=>b1,31=>"c1","41"=>"d1",<<"51">>=>"e1",{["01"]}=>"11",
12=>a2,22=>b2,32=>"c2","42"=>"d2",<<"52">>=>"e2",{["02"]}=>"12",
13=>a3,23=>b3,33=>"c3","43"=>"d3",<<"53">>=>"e3",{["03"]}=>"13",
14=>a4,24=>b4,34=>"c4","44"=>"d4",<<"54">>=>"e4",{["04"]}=>"14",
15=>a5,25=>b5,35=>"c5","45"=>"d5",<<"55">>=>"e5",{["05"]}=>"15",
k16=>a6,k26=>b6,k36=>"c6","46"=>"d6",<<"56">>=>"e6",{["06"]}=>"16",
17=>a7,27=>b7,37=>"c7","47"=>"d7",<<"57">>=>"e7",{["07"]}=>"17",
18=>a8,28=>b8,38=>"c8","48"=>"d8",<<"58">>=>"e8",{["08"]}=>"18",
19=>a9,29=>b9,39=>"c9","49"=>"d9",<<"59">>=>"e9",{["09"]}=>"19" } => "large map key 2" }),
M1 = M0#{1=>42,2=>100,4=>[a,b,c]},
#{1:=42,2:=100,10.0:=fa0,4:=[a,b,c],25:=b5} = M1,
#{ 10:=43, 24:=b4, 15:=a5, 35:="c5", 2.0:=100, 13.0:=fa3, 4.0:=[a,b,c]} =
M0#{1.0=>float,10:=43,2.0=>wrong,2.0=>100,4.0=>[a,b,c]},
M2 = M0#{13.0=>new},
#{10:=a0,20:=b0,13.0:=new,"40":="d0",<<"50">>:="e0"} = M2,
M2 = M0#{13.0:=wrong,13.0=>new},
ok.
t_update_exact(Config) when is_list(Config) ->
M0 = id(#{1=>a,2=>b,3.0=>c,4=>d,5=>e}),
M1 = M0#{1:=42,2:=100,4:=[a,b,c]},
#{1:=42,2:=100,3.0:=c,4:=[a,b,c],5:=e} = M1,
M1 = M0#{1:=wrong,1=>42,2=>wrong,2:=100,4:=[a,b,c]},
M2 = M0#{3.0:=new},
#{1:=a,2:=b,3.0:=new,4:=d,5:=e} = M2,
M2 = M0#{3.0=>wrong,3.0:=new},
true = M2 =/= M0#{3=>right,3.0:=new},
#{ 3 := right, 3.0 := new } = M0#{3=>right,3.0:=new},
M3 = id(#{ 1 => val}),
#{1 := update2,1.0 := new_val4} = M3#{
1.0 => new_val1, 1 := update, 1=> update3,
1 := update2, 1.0 := new_val2, 1.0 => new_val3,
1.0 => new_val4 },
%% Errors cases.
do_badmap(fun(T) ->
{'EXIT',{{badmap,T},_}} =
(catch T#{nonexisting=>val})
end),
Empty = id(#{}),
{'EXIT',{{badkey,nonexisting},_}} = (catch Empty#{nonexisting:=val}),
{'EXIT',{{badkey,nonexisting},_}} = (catch M0#{nonexisting:=val}),
{'EXIT',{{badkey,1.0},_}} = (catch M0#{1.0:=v,1.0=>v2}),
{'EXIT',{{badkey,42},_}} = (catch M0#{42.0:=v,42:=v2}),
{'EXIT',{{badkey,42.0},_}} = (catch M0#{42=>v1,42.0:=v2,42:=v3}),
ok.
t_update_exact_large(Config) when is_list(Config) ->
M0 = id(#{ 10=>a0,20=>b0,30=>"c0","40"=>"d0",<<"50">>=>"e0",{["00"]}=>"10",
11=>a1,21=>b1,31=>"c1","41"=>"d1",<<"51">>=>"e1",{["01"]}=>"11",
12=>a2,22=>b2,32=>"c2","42"=>"d2",<<"52">>=>"e2",{["02"]}=>"12",
13=>a3,23=>b3,33=>"c3","43"=>"d3",<<"53">>=>"e3",{["03"]}=>"13",
14=>a4,24=>b4,34=>"c4","44"=>"d4",<<"54">>=>"e4",{["04"]}=>"14",
15=>a5,25=>b5,35=>"c5","45"=>"d5",<<"55">>=>"e5",{["05"]}=>"15",
16=>a6,26=>b6,36=>"c6","46"=>"d6",<<"56">>=>"e6",{["06"]}=>"16",
17=>a7,27=>b7,37=>"c7","47"=>"d7",<<"57">>=>"e7",{["07"]}=>"17",
18=>a8,28=>b8,38=>"c8","48"=>"d8",<<"58">>=>"e8",{["08"]}=>"18",
19=>a9,29=>b9,39=>"c9","49"=>"d9",<<"59">>=>"e9",{["09"]}=>"19",
10.0=>fa0,20.0=>fb0,30.0=>"fc0",
11.0=>fa1,21.0=>fb1,31.0=>"fc1",
12.0=>fa2,22.0=>fb2,32.0=>"fc2",
13.0=>fa3,23.0=>fb3,33.0=>"fc3",
14.0=>fa4,24.0=>fb4,34.0=>"fc4",
15.0=>fa5,25.0=>fb5,35.0=>"fc5",
16.0=>fa6,26.0=>fb6,36.0=>"fc6",
17.0=>fa7,27.0=>fb7,37.0=>"fc7",
18.0=>fa8,28.0=>fb8,38.0=>"fc8",
19.0=>fa9,29.0=>fb9,39.0=>"fc9",
#{ one => small, map => key } => "small map key 1",
#{ second => small, map => key } => "small map key 2",
#{ third => small, map => key } => "small map key 3",
#{ 10=>a0,20=>b0,30=>"c0","40"=>"d0",<<"50">>=>"e0",{["00"]}=>"10",
11=>a1,21=>b1,31=>"c1","41"=>"d1",<<"51">>=>"e1",{["01"]}=>"11",
12=>a2,22=>b2,32=>"c2","42"=>"d2",<<"52">>=>"e2",{["02"]}=>"12",
13=>a3,23=>b3,33=>"c3","43"=>"d3",<<"53">>=>"e3",{["03"]}=>"13",
14=>a4,24=>b4,34=>"c4","44"=>"d4",<<"54">>=>"e4",{["04"]}=>"14",
15=>a5,25=>b5,35=>"c5","45"=>"d5",<<"55">>=>"e5",{["05"]}=>"15",
16=>a6,26=>b6,36=>"c6","46"=>"d6",<<"56">>=>"e6",{["06"]}=>"16",
17=>a7,27=>b7,37=>"c7","47"=>"d7",<<"57">>=>"e7",{["07"]}=>"17",
18=>a8,28=>b8,38=>"c8","48"=>"d8",<<"58">>=>"e8",{["08"]}=>"18",
19=>a9,29=>b9,39=>"c9","49"=>"d9",<<"59">>=>"e9",{["09"]}=>"19" } => "large map key 1",
#{ 10=>a0,20=>b0,30=>"c0","40"=>"d0",<<"50">>=>"e0",{["00"]}=>"10",
11=>a1,21=>b1,31=>"c1","41"=>"d1",<<"51">>=>"e1",{["01"]}=>"11",
12=>a2,22=>b2,32=>"c2","42"=>"d2",<<"52">>=>"e2",{["02"]}=>"12",
13=>a3,23=>b3,33=>"c3","43"=>"d3",<<"53">>=>"e3",{["03"]}=>"13",
14=>a4,24=>b4,34=>"c4","44"=>"d4",<<"54">>=>"e4",{["04"]}=>"14",
15=>a5,25=>b5,35=>"c5","45"=>"d5",<<"55">>=>"e5",{["05"]}=>"15",
k16=>a6,k26=>b6,k36=>"c6","46"=>"d6",<<"56">>=>"e6",{["06"]}=>"16",
17=>a7,27=>b7,37=>"c7","47"=>"d7",<<"57">>=>"e7",{["07"]}=>"17",
18=>a8,28=>b8,38=>"c8","48"=>"d8",<<"58">>=>"e8",{["08"]}=>"18",
19=>a9,29=>b9,39=>"c9","49"=>"d9",<<"59">>=>"e9",{["09"]}=>"19" } => "large map key 2" }),
M1 = M0#{10:=42,<<"55">>:=100,10.0:=[a,b,c]},
#{ 10:=42,<<"55">>:=100,{["05"]}:="15",10.0:=[a,b,c],
#{ 10=>a0,20=>b0,30=>"c0","40"=>"d0",<<"50">>=>"e0",{["00"]}=>"10",
11=>a1,21=>b1,31=>"c1","41"=>"d1",<<"51">>=>"e1",{["01"]}=>"11",
12=>a2,22=>b2,32=>"c2","42"=>"d2",<<"52">>=>"e2",{["02"]}=>"12",
13=>a3,23=>b3,33=>"c3","43"=>"d3",<<"53">>=>"e3",{["03"]}=>"13",
14=>a4,24=>b4,34=>"c4","44"=>"d4",<<"54">>=>"e4",{["04"]}=>"14",
15=>a5,25=>b5,35=>"c5","45"=>"d5",<<"55">>=>"e5",{["05"]}=>"15",
16=>a6,26=>b6,36=>"c6","46"=>"d6",<<"56">>=>"e6",{["06"]}=>"16",
17=>a7,27=>b7,37=>"c7","47"=>"d7",<<"57">>=>"e7",{["07"]}=>"17",
18=>a8,28=>b8,38=>"c8","48"=>"d8",<<"58">>=>"e8",{["08"]}=>"18",
19=>a9,29=>b9,39=>"c9","49"=>"d9",<<"59">>=>"e9",{["09"]}=>"19" } := "large map key 1" } = M1,
M1 = M0#{10:=wrong,10=>42,<<"55">>=>wrong,<<"55">>:=100,10.0:=[a,b,c]},
M2 = M0#{13.0:=new},
#{10:=a0,20:=b0,13.0:=new} = M2,
M2 = M0#{13.0=>wrong,13.0:=new},
%% Errors cases.
{'EXIT',{{badkey,nonexisting},_}} = (catch M0#{nonexisting:=val}),
{'EXIT',{{badkey,1.0},_}} = (catch M0#{1.0:=v,1.0=>v2}),
{'EXIT',{{badkey,42},_}} = (catch M0#{42.0:=v,42:=v2}),
{'EXIT',{{badkey,42.0},_}} = (catch M0#{42=>v1,42.0:=v2,42:=v3}),
ok.
t_update_deep(Config) when is_list(Config) ->
N = 250000,
M0 = maps:from_list([{integer_to_list(I),a}||I<-lists:seq(1,N)]),
#{ "1" := a, "10" := a, "100" := a, "1000" := a, "10000" := a } = M0,
M1 = M0#{ "1" := b, "10" := b, "100" := b, "1000" := b, "10000" := b },
#{ "1" := a, "10" := a, "100" := a, "1000" := a, "10000" := a } = M0,
#{ "1" := b, "10" := b, "100" := b, "1000" := b, "10000" := b } = M1,
M2 = M0#{ "1" => c, "10" => c, "100" => c, "1000" => c, "10000" => c },
#{ "1" := a, "10" := a, "100" := a, "1000" := a, "10000" := a } = M0,
#{ "1" := b, "10" := b, "100" := b, "1000" := b, "10000" := b } = M1,
#{ "1" := c, "10" := c, "100" := c, "1000" := c, "10000" := c } = M2,
M3 = M2#{ "n1" => d, "n10" => d, "n100" => d, "n1000" => d, "n10000" => d },
#{ "1" := a, "10" := a, "100" := a, "1000" := a, "10000" := a } = M0,
#{ "1" := b, "10" := b, "100" := b, "1000" := b, "10000" := b } = M1,
#{ "1" := c, "10" := c, "100" := c, "1000" := c, "10000" := c } = M2,
#{ "1" := c, "10" := c, "100" := c, "1000" := c, "10000" := c } = M3,
#{ "n1" := d, "n10" := d, "n100" := d, "n1000" := d, "n10000" := d } = M3,
ok.
t_guard_bifs(Config) when is_list(Config) ->
true = map_guard_head(#{a=>1}),
false = map_guard_head([]),
true = map_guard_body(#{a=>1}),
false = map_guard_body({}),
true = map_guard_pattern(#{a=>1, <<"hi">> => "hi" }),
false = map_guard_pattern("list"),
ok.
map_guard_head(M) when is_map(M) -> true;
map_guard_head(_) -> false.
map_guard_body(M) -> is_map(M).
map_guard_pattern(#{}) -> true;
map_guard_pattern(_) -> false.
t_guard_sequence(Config) when is_list(Config) ->
{1, "a"} = map_guard_sequence_1(#{seq=>1,val=>id("a")}),
{2, "b"} = map_guard_sequence_1(#{seq=>2,val=>id("b")}),
{3, "c"} = map_guard_sequence_1(#{seq=>3,val=>id("c")}),
{4, "d"} = map_guard_sequence_1(#{seq=>4,val=>id("d")}),
{5, "e"} = map_guard_sequence_1(#{seq=>5,val=>id("e")}),
{1,M1} = map_guard_sequence_2(M1 = id(#{a=>3})),
{2,M2} = map_guard_sequence_2(M2 = id(#{a=>4, b=>4})),
{3,gg,M3} = map_guard_sequence_2(M3 = id(#{a=>gg, b=>4})),
{4,sc,sc,M4} = map_guard_sequence_2(M4 = id(#{a=>sc, b=>3, c=>sc2})),
{5,kk,kk,M5} = map_guard_sequence_2(M5 = id(#{a=>kk, b=>other, c=>sc2})),
%% error case
{'EXIT',{function_clause,_}} = (catch map_guard_sequence_1(#{seq=>6,val=>id("e")})),
{'EXIT',{function_clause,_}} = (catch map_guard_sequence_2(#{b=>5})),
ok.
t_guard_sequence_large(Config) when is_list(Config) ->
M0 = id(#{ 10=>a0,20=>b0,30=>"c0","40"=>"d0",<<"50">>=>"e0",{["00",03]}=>"10",
11=>a1,21=>b1,31=>"c1","41"=>"d1",<<"51">>=>"e1",{["01",03]}=>"11",
12=>a2,22=>b2,32=>"c2","42"=>"d2",<<"52">>=>"e2",{["02",03]}=>"12",
13=>a3,23=>b3,33=>"c3","43"=>"d3",<<"53">>=>"e3",{["03",03]}=>"13",
14=>a4,24=>b4,34=>"c4","44"=>"d4",<<"54">>=>"e4",{["04",03]}=>"14",
15=>a5,25=>b5,35=>"c5","45"=>"d5",<<"55">>=>"e5",{["05",03]}=>"15",
16=>a6,26=>b6,36=>"c6","46"=>"d6",<<"56">>=>"e6",{["06",03]}=>"16",
17=>a7,27=>b7,37=>"c7","47"=>"d7",<<"57">>=>"e7",{["07",03]}=>"17",
18=>a8,28=>b8,38=>"c8","48"=>"d8",<<"58">>=>"e8",{["08",03]}=>"18",
19=>a9,29=>b9,39=>"c9","49"=>"d9",<<"59">>=>"e9",{["09",03]}=>"19",
10.0=>fa0,20.0=>fb0,30.0=>"fc0",
11.0=>fa1,21.0=>fb1,31.0=>"fc1",
12.0=>fa2,22.0=>fb2,32.0=>"fc2",
13.0=>fa3,23.0=>fb3,33.0=>"fc3",
14.0=>fa4,24.0=>fb4,34.0=>"fc4",
15.0=>fa5,25.0=>fb5,35.0=>"fc5",
16.0=>fa6,26.0=>fb6,36.0=>"fc6",
17.0=>fa7,27.0=>fb7,37.0=>"fc7",
18.0=>fa8,28.0=>fb8,38.0=>"fc8",
19.0=>fa9,29.0=>fb9,39.0=>"fc9",
#{ one => small, map => key } => "small map key 1",
#{ second => small, map => key } => "small map key 2",
#{ third => small, map => key } => "small map key 3",
#{ 10=>a0,20=>b0,30=>"c0","40"=>"d0",<<"50">>=>"e0",{["00"]}=>"10",
11=>a1,21=>b1,31=>"c1","41"=>"d1",<<"51">>=>"e1",{["01"]}=>"11",
12=>a2,22=>b2,32=>"c2","42"=>"d2",<<"52">>=>"e2",{["02"]}=>"12",
13=>a3,23=>b3,33=>"c3","43"=>"d3",<<"53">>=>"e3",{["03"]}=>"13",
14=>a4,24=>b4,34=>"c4","44"=>"d4",<<"54">>=>"e4",{["04"]}=>"14",
15=>a5,25=>b5,35=>"c5","45"=>"d5",<<"55">>=>"e5",{["05"]}=>"15",
16=>a6,26=>b6,36=>"c6","46"=>"d6",<<"56">>=>"e6",{["06"]}=>"16",
17=>a7,27=>b7,37=>"c7","47"=>"d7",<<"57">>=>"e7",{["07"]}=>"17",
18=>a8,28=>b8,38=>"c8","48"=>"d8",<<"58">>=>"e8",{["08"]}=>"18",
19=>a9,29=>b9,39=>"c9","49"=>"d9",<<"59">>=>"e9",{["09"]}=>"19" } => "large map key 1",
#{ 10=>a0,20=>b0,30=>"c0","40"=>"d0",<<"50">>=>"e0",{["00"]}=>"10",
11=>a1,21=>b1,31=>"c1","41"=>"d1",<<"51">>=>"e1",{["01"]}=>"11",
12=>a2,22=>b2,32=>"c2","42"=>"d2",<<"52">>=>"e2",{["02"]}=>"12",
13=>a3,23=>b3,33=>"c3","43"=>"d3",<<"53">>=>"e3",{["03"]}=>"13",
14=>a4,24=>b4,34=>"c4","44"=>"d4",<<"54">>=>"e4",{["04"]}=>"14",
15=>a5,25=>b5,35=>"c5","45"=>"d5",<<"55">>=>"e5",{["05"]}=>"15",
k16=>a6,k26=>b6,k36=>"c6","46"=>"d6",<<"56">>=>"e6",{["06"]}=>"16",
17=>a7,27=>b7,37=>"c7","47"=>"d7",<<"57">>=>"e7",{["07"]}=>"17",
18=>a8,28=>b8,38=>"c8","48"=>"d8",<<"58">>=>"e8",{["08"]}=>"18",
19=>a9,29=>b9,39=>"c9","49"=>"d9",<<"59">>=>"e9",{["09"]}=>"19" } => "large map key 2" }),
{1, "a"} = map_guard_sequence_1(M0#{seq=>1,val=>id("a")}),
{2, "b"} = map_guard_sequence_1(M0#{seq=>2,val=>id("b")}),
{3, "c"} = map_guard_sequence_1(M0#{seq=>3,val=>id("c")}),
{4, "d"} = map_guard_sequence_1(M0#{seq=>4,val=>id("d")}),
{5, "e"} = map_guard_sequence_1(M0#{seq=>5,val=>id("e")}),
{1,M1} = map_guard_sequence_2(M1 = id(M0#{a=>3})),
{2,M2} = map_guard_sequence_2(M2 = id(M0#{a=>4, b=>4})),
{3,gg,M3} = map_guard_sequence_2(M3 = id(M0#{a=>gg, b=>4})),
{4,sc,sc,M4} = map_guard_sequence_2(M4 = id(M0#{a=>sc, b=>3, c=>sc2})),
{5,kk,kk,M5} = map_guard_sequence_2(M5 = id(M0#{a=>kk, b=>other, c=>sc2})),
{'EXIT',{function_clause,_}} = (catch map_guard_sequence_1(M0#{seq=>6,val=>id("e")})),
{'EXIT',{function_clause,_}} = (catch map_guard_sequence_2(M0#{b=>5})),
ok.
map_guard_sequence_1(#{seq:=1=Seq, val:=Val}) -> {Seq,Val};
map_guard_sequence_1(#{seq:=2=Seq, val:=Val}) -> {Seq,Val};
map_guard_sequence_1(#{seq:=3=Seq, val:=Val}) -> {Seq,Val};
map_guard_sequence_1(#{seq:=4=Seq, val:=Val}) -> {Seq,Val};
map_guard_sequence_1(#{seq:=5=Seq, val:=Val}) -> {Seq,Val}.
map_guard_sequence_2(#{ a:=3 }=M) -> {1, M};
map_guard_sequence_2(#{ a:=4 }=M) -> {2, M};
map_guard_sequence_2(#{ a:=X, a:=X, b:=4 }=M) -> {3,X,M};
map_guard_sequence_2(#{ a:=X, a:=Y, b:=3 }=M) when X =:= Y -> {4,X,Y,M};
map_guard_sequence_2(#{ a:=X, a:=Y }=M) when X =:= Y -> {5,X,Y,M}.
t_guard_update(Config) when is_list(Config) ->
error = map_guard_update(#{},#{}),
first = map_guard_update(#{}, #{x=>first}),
second = map_guard_update(#{y=>old}, #{x=>second,y=>old}),
ok.
t_guard_update_large(Config) when is_list(Config) ->
M0 = id(#{ 70=>a0,80=>b0,90=>"c0","40"=>"d0",<<"50">>=>"e0",{["00",03]}=>"10",
71=>a1,81=>b1,91=>"c1","41"=>"d1",<<"51">>=>"e1",{["01",03]}=>"11",
72=>a2,82=>b2,92=>"c2","42"=>"d2",<<"52">>=>"e2",{["02",03]}=>"12",
73=>a3,83=>b3,93=>"c3","43"=>"d3",<<"53">>=>"e3",{["03",03]}=>"13",
74=>a4,84=>b4,94=>"c4","44"=>"d4",<<"54">>=>"e4",{["04",03]}=>"14",
75=>a5,85=>b5,95=>"c5","45"=>"d5",<<"55">>=>"e5",{["05",03]}=>"15",
76=>a6,86=>b6,96=>"c6","46"=>"d6",<<"56">>=>"e6",{["06",03]}=>"16",
77=>a7,87=>b7,97=>"c7","47"=>"d7",<<"57">>=>"e7",{["07",03]}=>"17",
78=>a8,88=>b8,98=>"c8","48"=>"d8",<<"58">>=>"e8",{["08",03]}=>"18",
79=>a9,89=>b9,99=>"c9","49"=>"d9",<<"59">>=>"e9",{["09",03]}=>"19",
70.0=>fa0,80.0=>fb0,90.0=>"fc0",
71.0=>fa1,81.0=>fb1,91.0=>"fc1",
72.0=>fa2,82.0=>fb2,92.0=>"fc2",
73.0=>fa3,83.0=>fb3,93.0=>"fc3",
74.0=>fa4,84.0=>fb4,94.0=>"fc4",
75.0=>fa5,85.0=>fb5,95.0=>"fc5",
76.0=>fa6,86.0=>fb6,96.0=>"fc6",
77.0=>fa7,87.0=>fb7,97.0=>"fc7",
78.0=>fa8,88.0=>fb8,98.0=>"fc8",
79.0=>fa9,89.0=>fb9,99.0=>"fc9",
#{ one => small, map => key } => "small map key 1",
#{ second => small, map => key } => "small map key 2",
#{ third => small, map => key } => "small map key 3",
#{ 10=>a0,20=>b0,30=>"c0","40"=>"d0",<<"50">>=>"e0",{["00"]}=>"10",
11=>a1,21=>b1,31=>"c1","41"=>"d1",<<"51">>=>"e1",{["01"]}=>"11",
12=>a2,22=>b2,32=>"c2","42"=>"d2",<<"52">>=>"e2",{["02"]}=>"12",
13=>a3,23=>b3,33=>"c3","43"=>"d3",<<"53">>=>"e3",{["03"]}=>"13",
14=>a4,24=>b4,34=>"c4","44"=>"d4",<<"54">>=>"e4",{["04"]}=>"14",
15=>a5,25=>b5,35=>"c5","45"=>"d5",<<"55">>=>"e5",{["05"]}=>"15",
16=>a6,26=>b6,36=>"c6","46"=>"d6",<<"56">>=>"e6",{["06"]}=>"16",
17=>a7,27=>b7,37=>"c7","47"=>"d7",<<"57">>=>"e7",{["07"]}=>"17",
18=>a8,28=>b8,38=>"c8","48"=>"d8",<<"58">>=>"e8",{["08"]}=>"18",
19=>a9,29=>b9,39=>"c9","49"=>"d9",<<"59">>=>"e9",{["09"]}=>"19" } => "large map key 1",
#{ 10=>a0,20=>b0,30=>"c0","40"=>"d0",<<"50">>=>"e0",{["00"]}=>"10",
11=>a1,21=>b1,31=>"c1","41"=>"d1",<<"51">>=>"e1",{["01"]}=>"11",
12=>a2,22=>b2,32=>"c2","42"=>"d2",<<"52">>=>"e2",{["02"]}=>"12",
13=>a3,23=>b3,33=>"c3","43"=>"d3",<<"53">>=>"e3",{["03"]}=>"13",
14=>a4,24=>b4,34=>"c4","44"=>"d4",<<"54">>=>"e4",{["04"]}=>"14",
15=>a5,25=>b5,35=>"c5","45"=>"d5",<<"55">>=>"e5",{["05"]}=>"15",
k16=>a6,k26=>b6,k36=>"c6","46"=>"d6",<<"56">>=>"e6",{["06"]}=>"16",
17=>a7,27=>b7,37=>"c7","47"=>"d7",<<"57">>=>"e7",{["07"]}=>"17",
18=>a8,28=>b8,38=>"c8","48"=>"d8",<<"58">>=>"e8",{["08"]}=>"18",
19=>a9,29=>b9,39=>"c9","49"=>"d9",<<"59">>=>"e9",{["09"]}=>"19" } => "large map key 2" }),
error = map_guard_update(M0#{},M0#{}),
first = map_guard_update(M0#{},M0#{x=>first}),
second = map_guard_update(M0#{y=>old}, M0#{x=>second,y=>old}),
ok.
map_guard_update(M1, M2) when M1#{x=>first} =:= M2 -> first;
map_guard_update(M1, M2) when M1#{x=>second} =:= M2 -> second;
map_guard_update(_, _) -> error.
t_guard_receive(Config) when is_list(Config) ->
M0 = #{ id => 0 },
Pid = spawn_link(fun() -> guard_receive_loop() end),
Big = 36893488147419103229,
B1 = <<"some text">>,
B2 = <<"was appended">>,
B3 = <<B1/binary, B2/binary>>,
#{id:=1, res:=Big} = M1 = call(Pid, M0#{op=>sub,in=>{1 bsl 65, 3}}),
#{id:=2, res:=26} = M2 = call(Pid, M1#{op=>idiv,in=>{53,2}}),
#{id:=3, res:=832} = M3 = call(Pid, M2#{op=>imul,in=>{26,32}}),
#{id:=4, res:=4} = M4 = call(Pid, M3#{op=>add,in=>{1,3}}),
#{id:=5, res:=Big} = M5 = call(Pid, M4#{op=>sub,in=>{1 bsl 65, 3}}),
#{id:=6, res:=B3} = M6 = call(Pid, M5#{op=>"append",in=>{B1,B2}}),
#{id:=7, res:=4} = _ = call(Pid, M6#{op=>add,in=>{1,3}}),
%% update old maps and check id update
#{id:=2, res:=B3} = call(Pid, M1#{op=>"append",in=>{B1,B2}}),
#{id:=5, res:=99} = call(Pid, M4#{op=>add,in=>{33, 66}}),
%% cleanup
done = call(Pid, done),
ok.
-define(t_guard_receive_large_procs, 1500).
t_guard_receive_large(Config) when is_list(Config) ->
M = lists:foldl(fun(_,#{procs := Ps } = M) ->
M#{ procs := Ps#{ spawn_link(fun() -> grecv_loop() end) => 0 }}
end, #{procs => #{}, done => 0}, lists:seq(1,?t_guard_receive_large_procs)),
lists:foreach(fun(Pid) ->
Pid ! {self(), hello}
end, maps:keys(maps:get(procs,M))),
ok = guard_receive_large_loop(M),
ok.
guard_receive_large_loop(#{done := ?t_guard_receive_large_procs}) ->
ok;
guard_receive_large_loop(M) ->
receive
#{pid := Pid, msg := hello} ->
case M of
#{done := Count, procs := #{Pid := 150}} ->
Pid ! {self(), done},
guard_receive_large_loop(M#{done := Count + 1});
#{procs := #{Pid := Count} = Ps} ->
Pid ! {self(), hello},
guard_receive_large_loop(M#{procs := Ps#{Pid := Count + 1}})
end
end.
grecv_loop() ->
receive
{_, done} ->
ok;
{Pid, hello} ->
Pid ! #{pid=>self(), msg=>hello},
grecv_loop()
end.
call(Pid, M) ->
Pid ! {self(), M}, receive {Pid, Res} -> Res end.
guard_receive_loop() ->
receive
{Pid, #{ id:=Id, op:="append", in:={X,Y}}=M} when is_binary(X), is_binary(Y) ->
Pid ! {self(), M#{ id=>Id+1, res=><<X/binary,Y/binary>>}},
guard_receive_loop();
{Pid, #{ id:=Id, op:=add, in:={X,Y}}} ->
Pid ! {self(), #{ id=>Id+1, res=>X+Y}},
guard_receive_loop();
{Pid, #{ id:=Id, op:=sub, in:={X,Y}}=M} ->
Pid ! {self(), M#{ id=>Id+1, res=>X-Y}},
guard_receive_loop();
{Pid, #{ id:=Id, op:=idiv, in:={X,Y}}=M} ->
Pid ! {self(), M#{ id=>Id+1, res=>X div Y}},
guard_receive_loop();
{Pid, #{ id:=Id, op:=imul, in:={X,Y}}=M} ->
Pid ! {self(), M#{ id=>Id+1, res=>X * Y}},
guard_receive_loop();
{Pid, done} ->
Pid ! {self(), done};
{Pid, Other} ->
Pid ! {error, Other},
guard_receive_loop()
end.
t_list_comprehension(Config) when is_list(Config) ->
[#{k:=1},#{k:=2},#{k:=3}] = [#{k=>I} || I <- [1,2,3]],
Ks = lists:seq($a,$z),
Ms = [#{[K1,K2]=>{K1,K2}} || K1 <- Ks, K2 <- Ks],
[#{"aa" := {$a,$a}},#{"ab":={$a,$b}}|_] = Ms,
[#{"zz" := {$z,$z}},#{"zy":={$z,$y}}|_] = lists:reverse(Ms),
ok.
t_guard_fun(Config) when is_list(Config) ->
F1 = fun
(#{s:=v,v:=V}) -> {v,V};
(#{s:=t,v:={V,V}}) -> {t,V};
(#{s:=l,v:=[V,V]}) -> {l,V}
end,
F2 = fun
(#{s:=T,v:={V,V}}) -> {T,V};
(#{s:=T,v:=[V,V]}) -> {T,V};
(#{s:=T,v:=V}) -> {T,V}
end,
V = <<"hi">>,
{v,V} = F1(#{s=>v,v=>V}),
{t,V} = F1(#{s=>t,v=>{V,V}}),
{l,V} = F1(#{s=>l,v=>[V,V]}),
{v,V} = F2(#{s=>v,v=>V}),
{t,V} = F2(#{s=>t,v=>{V,V}}),
{l,V} = F2(#{s=>l,v=>[V,V]}),
%% error case
{'EXIT', {function_clause,[{?MODULE,_,[#{s:=none,v:=none}],_}|_]}} = (catch F1(#{s=>none,v=>none})),
ok.
t_map_sort_literals(Config) when is_list(Config) ->
% test relation
%% size order
true = #{ a => 1, b => 2} < id(#{ a => 1, b => 1, c => 1}),
true = #{ b => 1, a => 1} < id(#{ c => 1, a => 1, b => 1}),
false = #{ c => 1, b => 1, a => 1} < id(#{ c => 1, a => 1}),
%% key order
true = #{ a => 1 } < id(#{ b => 1}),
false = #{ b => 1 } < id(#{ a => 1}),
true = #{ a => 1, b => 1, c => 1 } < id(#{ b => 1, c => 1, d => 1}),
true = #{ b => 1, c => 1, d => 1 } > id(#{ a => 1, b => 1, c => 1}),
true = #{ c => 1, b => 1, a => 1 } < id(#{ b => 1, c => 1, d => 1}),
true = #{ "a" => 1 } < id(#{ <<"a">> => 1}),
false = #{ <<"a">> => 1 } < id(#{ "a" => 1}),
true = #{ 1 => 1 } < id(#{ 1.0 => 1}),
false = #{ 1.0 => 1 } < id(#{ 1 => 1}),
%% value order
true = #{ a => 1 } < id(#{ a => 2}),
false = #{ a => 2 } < id(#{ a => 1}),
false = #{ a => 2, b => 1 } < id(#{ a => 1, b => 3}),
true = #{ a => 1, b => 1 } < id(#{ a => 1, b => 3}),
false = #{ a => 1 } < id(#{ a => 1.0}),
false = #{ a => 1.0 } < id(#{ a => 1}),
true = #{ "a" => "hi", b => 134 } == id(#{ b => 134,"a" => "hi"}),
%% large maps
M = maps:from_list([{I,I}||I <- lists:seq(1,500)]),
%% size order
true = M#{ a => 1, b => 2} < id(M#{ a => 1, b => 1, c => 1}),
true = M#{ b => 1, a => 1} < id(M#{ c => 1, a => 1, b => 1}),
false = M#{ c => 1, b => 1, a => 1} < id(M#{ c => 1, a => 1}),
%% key order
true = M#{ a => 1 } < id(M#{ b => 1}),
false = M#{ b => 1 } < id(M#{ a => 1}),
true = M#{ a => 1, b => 1, c => 1 } < id(M#{ b => 1, c => 1, d => 1}),
true = M#{ b => 1, c => 1, d => 1 } > id(M#{ a => 1, b => 1, c => 1}),
true = M#{ c => 1, b => 1, a => 1 } < id(M#{ b => 1, c => 1, d => 1}),
true = M#{ "a" => 1 } < id(M#{ <<"a">> => 1}),
false = M#{ <<"a">> => 1 } < id(#{ "a" => 1}),
true = M#{ 1 => 1 } < id(maps:remove(1,M#{ 1.0 => 1})),
false = M#{ 1.0 => 1 } < id(M#{ 1 => 1}),
%% value order
true = M#{ a => 1 } < id(M#{ a => 2}),
false = M#{ a => 2 } < id(M#{ a => 1}),
false = M#{ a => 2, b => 1 } < id(M#{ a => 1, b => 3}),
true = M#{ a => 1, b => 1 } < id(M#{ a => 1, b => 3}),
false = M#{ a => 1 } < id(M#{ a => 1.0}),
false = M#{ a => 1.0 } < id(M#{ a => 1}),
true = M#{ "a" => "hi", b => 134 } == id(M#{ b => 134,"a" => "hi"}),
%% lists:sort
SortVs = [#{"a"=>1},#{a=>2},#{1=>3},#{<<"a">>=>4}],
[#{1:=ok},#{a:=ok},#{"a":=ok},#{<<"a">>:=ok}] = lists:sort([#{"a"=>ok},#{a=>ok},#{1=>ok},#{<<"a">>=>ok}]),
[#{1:=3},#{a:=2},#{"a":=1},#{<<"a">>:=4}] = lists:sort(SortVs),
[#{1:=3},#{a:=2},#{"a":=1},#{<<"a">>:=4}] = lists:sort(lists:reverse(SortVs)),
ok.
t_map_equal(Config) when is_list(Config) ->
true = id(#{}) =:= id(#{}),
false = id(#{}) =:= id(#{a=>1}),
false = id(#{a=>1}) =:= id(#{}),
true = id(#{ "a" => "hi", b => 134 }) =:= id(#{ b => 134,"a" => "hi"}),
false = id(#{ a => 1 }) =:= id(#{ a => 2}),
false = id(#{ a => 2 }) =:= id(#{ a => 1}),
false = id(#{ a => 2, b => 1 }) =:= id(#{ a => 1, b => 3}),
false = id(#{ a => 1, b => 1 }) =:= id(#{ a => 1, b => 3}),
true = id(#{ a => 1 }) =:= id(#{ a => 1}),
true = id(#{ "a" => 2 }) =:= id(#{ "a" => 2}),
true = id(#{ "a" => 2, b => 3 }) =:= id(#{ "a" => 2, b => 3}),
true = id(#{ a => 1, b => 3, c => <<"wat">> }) =:= id(#{ a => 1, b => 3, c=><<"wat">>}),
ok.
t_map_compare(Config) when is_list(Config) ->
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.
float_int_compare() ->
Terms = numeric_keys(3),
%%io:format("Keys to use: ~p\n", [Terms]),
Pairs = lists:map(fun(K) -> list_to_tuple([{K,V} || V <- Terms]) end, Terms),
lists:foreach(fun(Size) ->
MapGen = fun() -> map_gen(list_to_tuple(Pairs), Size) end,
repeat(100, fun do_compare/1, [MapGen, MapGen])
end,
lists:seq(1,length(Terms))),
ok.
numeric_keys(N) ->
lists:foldl(fun(_,Acc) ->
Int = rand:uniform(N*4) - N*2,
Float = float(Int),
[Int, Float, Float * 0.99, Float * 1.01 | Acc]
end,
[],
lists:seq(1,N)).
repeat(0, _, _) ->
ok;
repeat(N, Fun, Arg) ->
Fun(Arg),
repeat(N-1, Fun, Arg).
copy_term(T) ->
Papa = self(),
P = spawn_link(fun() -> receive Msg -> Papa ! Msg end end),
P ! T,
receive R -> R end.
do_compare([Gen1, Gen2]) ->
M1 = Gen1(),
M2 = Gen2(),
%%io:format("Maps to compare: ~p AND ~p\n", [M1, M2]),
C = (M1 < M2),
Erlang = maps_lessthan(M1, M2),
C = Erlang,
?CHECK(M1==M1, M1),
%% Change one key from int to float (or vice versa) and check compare
ML1 = maps:to_list(M1),
{K1,V1} = lists:nth(rand:uniform(length(ML1)), ML1),
case K1 of
I when is_integer(I) ->
case maps:find(float(I),M1) of
error ->
M1f = maps:remove(I, maps:put(float(I), V1, M1)),
?CHECK(M1f > M1, [M1f, M1]);
_ -> ok
end;
F when is_float(F), round(F) == F ->
case maps:find(round(F),M1) of
error ->
M1i = maps:remove(F, maps:put(round(F), V1, M1)),
?CHECK(M1i < M1, [M1i, M1]);
_ -> ok
end;
_ -> ok % skip floats with decimals
end,
?CHECK(M2 == M2, [M2]).
maps_lessthan(M1, M2) ->
case {maps:size(M1),maps:size(M2)} of
{_S,_S} ->
{K1,V1} = lists:unzip(term_sort(maps:to_list(M1))),
{K2,V2} = lists:unzip(term_sort(maps:to_list(M2))),
case erts_internal:cmp_term(K1,K2) of
-1 -> true;
0 -> (V1 < V2);
1 -> false
end;
{S1, S2} ->
S1 < S2
end.
term_sort(L) ->
lists:sort(fun(A,B) -> erts_internal:cmp_term(A,B) =< 0 end,
L).
cmp(T1, T2, Exact) when is_tuple(T1) and is_tuple(T2) ->
case {size(T1),size(T2)} of
{_S,_S} -> cmp(tuple_to_list(T1), tuple_to_list(T2), Exact);
{S1,S2} when S1 < S2 -> -1;
{S1,S2} when S1 > S2 -> 1
end;
cmp([H1|T1], [H2|T2], Exact) ->
case cmp(H1,H2, Exact) of
0 -> cmp(T1,T2, Exact);
C -> C
end;
cmp(M1, M2, Exact) when is_map(M1) andalso is_map(M2) ->
cmp_maps(M1,M2,Exact);
cmp(M1, M2, Exact) ->
cmp_others(M1, M2, Exact).
cmp_maps(M1, M2, Exact) ->
case {maps:size(M1),maps:size(M2)} of
{_S,_S} ->
{K1,V1} = lists:unzip(term_sort(maps:to_list(M1))),
{K2,V2} = lists:unzip(term_sort(maps:to_list(M2))),
case cmp(K1, K2, true) of
0 -> cmp(V1, V2, Exact);
C -> C
end;
{S1,S2} when S1 < S2 -> -1;
{S1,S2} when S1 > S2 -> 1
end.
cmp_others(I, F, true) when is_integer(I), is_float(F) ->
-1;
cmp_others(F, I, true) when is_float(F), is_integer(I) ->
1;
cmp_others(T1, T2, _) ->
case {T1<T2, T1==T2} of
{true,false} -> -1;
{false,true} -> 0;
{false,false} -> 1
end.
map_gen(Pairs, Size) ->
{_,L} = lists:foldl(fun(_, {Keys, Acc}) ->
KI = rand:uniform(size(Keys)),
K = element(KI,Keys),
KV = element(rand:uniform(size(K)), K),
{erlang:delete_element(KI,Keys), [KV | Acc]}
end,
{Pairs, []},
lists:seq(1,Size)),
maps:from_list(L).
recursive_compare() ->
Leafs = {atom, 17, 16.9, 17.1, [], self(), spawn(fun() -> ok end), make_ref(), make_ref()},
{A, B} = term_gen_recursive(Leafs, 0, 0),
%%io:format("Recursive term A = ~p\n", [A]),
%%io:format("Recursive term B = ~p\n", [B]),
?CHECK({true,false} =:= case do_cmp(A, B, false) of
-1 -> {A<B, A>=B};
0 -> {A==B, A/=B};
1 -> {A>B, A=<B}
end,
{A,B}),
A2 = copy_term(A),
?CHECK(A == A2, {A,A2}),
?CHECK(0 =:= cmp(A, A2, false), {A,A2}),
B2 = copy_term(B),
?CHECK(B == B2, {B,B2}),
?CHECK(0 =:= cmp(B, B2, false), {B,B2}),
ok.
do_cmp(A, B, Exact) ->
C = cmp(A, B, Exact),
C.
%% Generate two terms {A,B} that may only differ
%% at float vs integer types.
term_gen_recursive(Leafs, Flags, Depth) ->
MaxDepth = 10,
Rnd = case {Flags, Depth} of
{_, MaxDepth} -> % Only leafs
rand:uniform(size(Leafs)) + 3;
{0, 0} -> % Only containers
rand:uniform(3);
{0,_} -> % Anything
rand:uniform(size(Leafs)+3)
end,
case Rnd of
1 -> % Make map
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),
{maps:put(K1,V1, Acc1), maps:put(K2,V2, Acc2)}
end,
{maps:new(), maps:new()},
lists:seq(1,Size));
2 -> % Make cons
{Car1,Car2} = term_gen_recursive(Leafs, Flags, Depth+1),
{Cdr1,Cdr2} = term_gen_recursive(Leafs, Flags, Depth+1),
{[Car1 | Cdr1], [Car2 | Cdr2]};
3 -> % Make tuple
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),
{list_to_tuple(L1), list_to_tuple(L2)};
N -> % Make leaf
case element(N-3, Leafs) of
I when is_integer(I) ->
case rand:uniform(4) of
1 -> {I, float(I)};
2 -> {float(I), I};
_ -> {I,I}
end;
T -> {T,T}
end
end.
%% BIFs
t_bif_map_get(Config) when is_list(Config) ->
%% small map
1 = maps:get(a, #{ a=> 1}),
2 = maps:get(b, #{ a=> 1, b => 2}),
"hi" = maps:get("hello", #{ a=>1, "hello" => "hi"}),
"tuple hi" = maps:get({1,1.0}, #{ a=>a, {1,1.0} => "tuple hi"}),
M0 = id(#{ k1=>"v1", <<"k2">> => <<"v3">> }),
"v4" = maps:get(<<"k2">>, M0#{<<"k2">> => "v4"}),
%% large map
M1 = maps:from_list([{I,I}||I<-lists:seq(1,100)] ++
[{a,1},{b,2},{"hello","hi"},{{1,1.0},"tuple hi"},
{k1,"v1"},{<<"k2">>,"v3"}]),
1 = maps:get(a, M1),
2 = maps:get(b, M1),
"hi" = maps:get("hello", M1),
"tuple hi" = maps:get({1,1.0}, M1),
"v3" = maps:get(<<"k2">>, M1),
%% error cases
do_badmap(fun(T) ->
{'EXIT',{{badmap,T},[{maps,get,_,_}|_]}} =
(catch maps:get(a, T))
end),
{'EXIT',{{badkey,{1,1}},[{maps,get,_,_}|_]}} =
(catch maps:get({1,1}, #{{1,1.0} => "tuple"})),
{'EXIT',{{badkey,a},[{maps,get,_,_}|_]}} = (catch maps:get(a, #{})),
{'EXIT',{{badkey,a},[{maps,get,_,_}|_]}} =
(catch maps:get(a, #{b=>1, c=>2})),
ok.
t_bif_map_find(Config) when is_list(Config) ->
%% small map
{ok, 1} = maps:find(a, #{ a=> 1}),
{ok, 2} = maps:find(b, #{ a=> 1, b => 2}),
{ok, "int"} = maps:find(1, #{ 1 => "int"}),
{ok, "float"} = maps:find(1.0, #{ 1.0=> "float"}),
{ok, "hi"} = maps:find("hello", #{ a=>1, "hello" => "hi"}),
{ok, "tuple hi"} = maps:find({1,1.0}, #{ a=>a, {1,1.0} => "tuple hi"}),
M0 = id(#{ k1=>"v1", <<"k2">> => <<"v3">> }),
{ok, "v4"} = maps:find(<<"k2">>, M0#{ <<"k2">> => "v4" }),
%% large map
M1 = maps:from_list([{I,I}||I<-lists:seq(1,100)] ++
[{a,1},{b,2},{"hello","hi"},{{1,1.0},"tuple hi"},
{k1,"v1"},{<<"k2">>,"v3"}]),
{ok, 1} = maps:find(a, M1),
{ok, 2} = maps:find(b, M1),
{ok, "hi"} = maps:find("hello", M1),
{ok, "tuple hi"} = maps:find({1,1.0}, M1),
{ok, "v3"} = maps:find(<<"k2">>, M1),
%% error case
error = maps:find(a,#{}),
error = maps:find(a,#{b=>1, c=>2}),
error = maps:find(1.0, #{ 1 => "int"}),
error = maps:find(1, #{ 1.0 => "float"}),
error = maps:find({1.0,1}, #{ a=>a, {1,1.0} => "tuple hi"}), % reverse types in tuple key
do_badmap(fun(T) ->
{'EXIT',{{badmap,T},[{maps,find,_,_}|_]}} =
(catch maps:find(a, T))
end),
ok.
t_bif_map_is_key(Config) when is_list(Config) ->
M1 = #{ "hi" => "hello", int => 3, <<"key">> => <<"value">>, 4 => number},
true = maps:is_key("hi", M1),
true = maps:is_key(int, M1),
true = maps:is_key(<<"key">>, M1),
true = maps:is_key(4, M1),
false = maps:is_key(5, M1),
false = maps:is_key(<<"key2">>, M1),
false = maps:is_key("h", M1),
false = maps:is_key("hello", M1),
false = maps:is_key(atom, M1),
false = maps:is_key(any, id(#{})),
false = maps:is_key("hi", maps:remove("hi", M1)),
true = maps:is_key("hi", M1),
true = maps:is_key(1, maps:put(1, "number", M1)),
false = maps:is_key(1.0, maps:put(1, "number", M1)),
%% error case
do_badmap(fun(T) ->
{'EXIT',{{badmap,T},[{maps,is_key,_,_}|_]}} =
(catch maps:is_key(a, T))
end),
ok.
t_bif_map_keys(Config) when is_list(Config) ->
[] = maps:keys(#{}),
[1,2,3,4,5] = lists:sort(maps:keys(#{ 1 => a, 2 => b, 3 => c, 4 => d, 5 => e})),
[1,2,3,4,5] = lists:sort(maps:keys(#{ 4 => d, 5 => e, 1 => a, 2 => b, 3 => c})),
% values in key order: [4,int,"hi",<<"key">>]
M1 = #{ "hi" => "hello", int => 3, <<"key">> => <<"value">>, 4 => number},
[4,int,"hi",<<"key">>] = lists:sort(maps:keys(M1)),
%% error case
do_badmap(fun(T) ->
{'EXIT',{{badmap,T},[{maps,keys,_,_}|_]}} =
(catch maps:keys(T))
end),
ok.
t_bif_map_new(Config) when is_list(Config) ->
#{} = maps:new(),
0 = erlang:map_size(maps:new()),
ok.
t_bif_map_merge(Config) when is_list(Config) ->
0 = erlang:map_size(maps:merge(#{},#{})),
M0 = #{ "hi" => "hello", int => 3, <<"key">> => <<"value">>,
4 => number, 18446744073709551629 => wat},
#{ "hi" := "hello", int := 3, <<"key">> := <<"value">>,
4 := number, 18446744073709551629 := wat} = maps:merge(#{}, M0),
#{ "hi" := "hello", int := 3, <<"key">> := <<"value">>,
4 := number, 18446744073709551629 := wat} = maps:merge(M0, #{}),
M1 = #{ "hi" => "hello again", float => 3.3, {1,2} => "tuple", 4 => integer },
#{4 := number, 18446744073709551629 := wat, float := 3.3, int := 3,
{1,2} := "tuple", "hi" := "hello", <<"key">> := <<"value">>} = maps:merge(M1,M0),
#{4 := integer, 18446744073709551629 := wat, float := 3.3, int := 3,
{1,2} := "tuple", "hi" := "hello again", <<"key">> := <<"value">>} = maps:merge(M0,M1),
%% try deep collisions
N = 150000,
Is = lists:seq(1,N),
M2 = maps:from_list([{I,I}||I<-Is]),
150000 = maps:size(M2),
M3 = maps:from_list([{<<I:32>>,I}||I<-Is]),
150000 = maps:size(M3),
M4 = maps:merge(M2,M3),
300000 = maps:size(M4),
M5 = maps:from_list([{integer_to_list(I),I}||I<-Is]),
150000 = maps:size(M5),
M6 = maps:merge(M4,M5),
450000 = maps:size(M6),
M7 = maps:from_list([{float(I),I}||I<-Is]),
150000 = maps:size(M7),
M8 = maps:merge(M7,M6),
600000 = maps:size(M8),
#{ 1 := 1, "1" := 1, <<1:32>> := 1 } = M8,
#{ 10 := 10, "10" := 10, <<10:32>> := 10 } = M8,
#{ 100 := 100, "100" := 100, <<100:32>> := 100 } = M8,
#{ 1000 := 1000, "1000" := 1000, <<1000:32>> := 1000 } = M8,
#{ 10000 := 10000, "10000" := 10000, <<10000:32>> := 10000 } = M8,
#{ 100000 := 100000, "100000" := 100000, <<100000:32>> := 100000 } = M8,
%% overlapping
M8 = maps:merge(M2,M8),
M8 = maps:merge(M3,M8),
M8 = maps:merge(M4,M8),
M8 = maps:merge(M5,M8),
M8 = maps:merge(M6,M8),
M8 = maps:merge(M7,M8),
M8 = maps:merge(M8,M8),
%% maps:merge/2 and mixed
Ks1 = [764492191,2361333849], %% deep collision
Ks2 = lists:seq(1,33),
M9 = maps:from_list([{K,K}||K <- Ks1]),
M10 = maps:from_list([{K,K}||K <- Ks2]),
M11 = maps:merge(M9,M10),
ok = check_keys_exist(Ks1 ++ Ks2, M11),
%% error case
do_badmap(fun(T) ->
{'EXIT',{{badmap,T},[{maps,merge,_,_}|_]}} =
(catch maps:merge(#{}, T)),
{'EXIT',{{badmap,T},[{maps,merge,_,_}|_]}} =
(catch maps:merge(T, #{})),
{'EXIT',{{badmap,T},[{maps,merge,_,_}|_]}} =
(catch maps:merge(T, T))
end),
ok.
t_bif_map_put(Config) when is_list(Config) ->
M0 = #{ "hi" => "hello", int => 3, <<"key">> => <<"value">>,
4 => number, 18446744073709551629 => wat},
M1 = #{ "hi" := "hello"} = maps:put("hi", "hello", #{}),
true = is_members(["hi"],maps:keys(M1)),
true = is_members(["hello"],maps:values(M1)),
M2 = #{ int := 3 } = maps:put(int, 3, M1),
true = is_members([int,"hi"],maps:keys(M2)),
true = is_members([3,"hello"],maps:values(M2)),
M3 = #{ <<"key">> := <<"value">> } = maps:put(<<"key">>, <<"value">>, M2),
true = is_members([int,"hi",<<"key">>],maps:keys(M3)),
true = is_members([3,"hello",<<"value">>],maps:values(M3)),
M4 = #{ 18446744073709551629 := wat } = maps:put(18446744073709551629, wat, M3),
true = is_members([18446744073709551629,int,"hi",<<"key">>],maps:keys(M4)),
true = is_members([wat,3,"hello",<<"value">>],maps:values(M4)),
M0 = #{ 4 := number } = M5 = maps:put(4, number, M4),
true = is_members([4,18446744073709551629,int,"hi",<<"key">>],maps:keys(M5)),
true = is_members([number,wat,3,"hello",<<"value">>],maps:values(M5)),
M6 = #{ <<"key">> := <<"other value">> } = maps:put(<<"key">>, <<"other value">>, M5),
true = is_members([4,18446744073709551629,int,"hi",<<"key">>],maps:keys(M6)),
true = is_members([number,wat,3,"hello",<<"other value">>],maps:values(M6)),
%% error case
do_badmap(fun(T) ->
{'EXIT',{{badmap,T},[{maps,put,_,_}|_]}} =
(catch maps:put(1, a, T))
end),
ok.
is_members(Ks,Ls) when length(Ks) =/= length(Ls) -> false;
is_members(Ks,Ls) -> is_members_do(Ks,Ls).
is_members_do([],[]) -> true;
is_members_do([],_) -> false;
is_members_do([K|Ks],Ls) ->
is_members_do(Ks, lists:delete(K,Ls)).
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},
M1 = maps:remove("hi", M0),
true = is_members([4,18446744073709551629,int,<<"key">>],maps:keys(M1)),
true = is_members([number,wat,3,<<"value">>],maps:values(M1)),
M2 = maps:remove(int, M1),
true = is_members([4,18446744073709551629,<<"key">>],maps:keys(M2)),
true = is_members([number,wat,<<"value">>],maps:values(M2)),
M3 = maps:remove(<<"key">>, M2),
true = is_members([4,18446744073709551629],maps:keys(M3)),
true = is_members([number,wat],maps:values(M3)),
M4 = maps:remove(18446744073709551629, M3),
true = is_members([4],maps:keys(M4)),
true = is_members([number],maps:values(M4)),
M5 = maps:remove(4, M4),
[] = maps:keys(M5),
[] = maps:values(M5),
M0 = maps:remove(5,M0),
M0 = maps:remove("hi there",M0),
#{ "hi" := "hello", int := 3, 4 := number} = maps:remove(18446744073709551629,maps:remove(<<"key">>,M0)),
%% error case
do_badmap(fun(T) ->
{'EXIT',{{badmap,T},[{maps,remove,_,_}|_]}} = (catch maps:remove(a, T))
end),
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">>,
4 => number, 18446744073709551629 => wat},
#{ "hi" := "hello again", int := 3, <<"key">> := <<"value">>,
4 := number, 18446744073709551629 := wat} = maps:update("hi", "hello again", M0),
#{ "hi" := "hello", int := 1337, <<"key">> := <<"value">>,
4 := number, 18446744073709551629 := wat} = maps:update(int, 1337, M0),
#{ "hi" := "hello", int := 3, <<"key">> := <<"new value">>,
4 := number, 18446744073709551629 := wat} = maps:update(<<"key">>, <<"new value">>, M0),
#{ "hi" := "hello", int := 3, <<"key">> := <<"value">>,
4 := integer, 18446744073709551629 := wat} = maps:update(4, integer, M0),
#{ "hi" := "hello", int := 3, <<"key">> := <<"value">>,
4 := number, 18446744073709551629 := wazzup} = maps:update(18446744073709551629, wazzup, M0),
%% error case
do_badmap(fun(T) ->
{'EXIT',{{badmap,T},[{maps,update,_,_}|_]}} =
(catch maps:update(1, none, T))
end),
ok.
t_bif_map_values(Config) when is_list(Config) ->
[] = maps:values(#{}),
[1] = maps:values(#{a=>1}),
true = is_members([a,b,c,d,e],maps:values(#{ 1 => a, 2 => b, 3 => c, 4 => d, 5 => e})),
true = is_members([a,b,c,d,e],maps:values(#{ 4 => d, 5 => e, 1 => a, 2 => b, 3 => c})),
M1 = #{ "hi" => "hello", int => 3, <<"key">> => <<"value">>, 4 => number},
M2 = M1#{ "hi" => "hello2", <<"key">> => <<"value2">> },
true = is_members([number,3,"hello2",<<"value2">>],maps:values(M2)),
true = is_members([number,3,"hello",<<"value">>],maps:values(M1)),
Vs = lists:seq(1000,20000),
M3 = maps:from_list([{K,K}||K<-Vs]),
M4 = maps:merge(M1,M3),
M5 = maps:merge(M2,M3),
true = is_members(Vs,maps:values(M3)),
true = is_members([number,3,"hello",<<"value">>]++Vs,maps:values(M4)),
true = is_members([number,3,"hello2",<<"value2">>]++Vs,maps:values(M5)),
%% error case
do_badmap(fun(T) ->
{'EXIT',{{badmap,T},[{maps,values,_,_}|_]}} =
(catch maps:values(T))
end),
ok.
t_erlang_hash(Config) when is_list(Config) ->
ok = t_bif_erlang_phash2(),
ok = t_bif_erlang_phash(),
ok.
t_bif_erlang_phash2() ->
39679005 = erlang:phash2(#{}),
33667975 = erlang:phash2(#{ a => 1, "a" => 2, <<"a">> => 3, {a,b} => 4 }), % 78942764
95332690 = erlang:phash2(#{ 1 => a, 2 => "a", 3 => <<"a">>, 4 => {a,b} }), % 37338230
108954384 = erlang:phash2(#{ 1 => a }), % 14363616
59617982 = erlang:phash2(#{ a => 1 }), % 51612236
42770201 = erlang:phash2(#{{} => <<>>}), % 37468437
71687700 = erlang:phash2(#{<<>> => {}}), % 44049159
M0 = #{ a => 1, "key" => <<"value">> },
M1 = maps:remove("key",M0),
M2 = M1#{ "key" => <<"value">> },
70249457 = erlang:phash2(M0), % 118679416
59617982 = erlang:phash2(M1), % 51612236
70249457 = erlang:phash2(M2), % 118679416
ok.
t_bif_erlang_phash() ->
Sz = 1 bsl 32,
1113425985 = erlang:phash(#{},Sz), % 268440612
1510068139 = erlang:phash(#{ a => 1, "a" => 2, <<"a">> => 3, {a,b} => 4 },Sz), % 1196461908
3182345590 = erlang:phash(#{ 1 => a, 2 => "a", 3 => <<"a">>, 4 => {a,b} },Sz), % 3944426064
2927531828 = erlang:phash(#{ 1 => a },Sz), % 1394238263
1670235874 = erlang:phash(#{ a => 1 },Sz), % 4066388227
3935089469 = erlang:phash(#{{} => <<>>},Sz), % 1578050717
71692856 = erlang:phash(#{<<>> => {}},Sz), % 1578050717
M0 = #{ a => 1, "key" => <<"value">> },
M1 = maps:remove("key",M0),
M2 = M1#{ "key" => <<"value">> },
2620391445 = erlang:phash(M0,Sz), % 3590546636
1670235874 = erlang:phash(M1,Sz), % 4066388227
2620391445 = erlang:phash(M2,Sz), % 3590546636
ok.
t_map_encode_decode(Config) when is_list(Config) ->
<<131,116,0,0,0,0>> = erlang:term_to_binary(#{}),
Pairs = [
{a,b},{"key","values"},{<<"key">>,<<"value">>},
{1,b},{[atom,1],{<<"wat">>,1,2,3}},
{aa,"values"},
{1 bsl 64 + (1 bsl 50 - 1), sc1},
{99, sc2},
{1 bsl 65 + (1 bsl 51 - 1), sc3},
{88, sc4},
{1 bsl 66 + (1 bsl 52 - 1), sc5},
{77, sc6},
{1 bsl 67 + (1 bsl 53 - 1), sc3},
{75, sc6}, {-10,sc8},
{<<>>, 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,[],#{}),
%% check sorting
%% literally #{ b=>2, a=>1 } in the internal order
#{ a:=1, b:=2 } =
erlang:binary_to_term(<<131,116,0,0,0,2,100,0,1,98,97,2,100,0,1,97,97,1>>),
%% literally #{ "hi" => "value", a=>33, b=>55 } in the internal order
#{ a:=33, b:=55, "hi" := "value"} = erlang:binary_to_term(<<131,116,0,0,0,3,
107,0,2,104,105, % "hi" :: list()
107,0,5,118,97,108,117,101, % "value" :: list()
100,0,1,97, % a :: atom()
97,33, % 33 :: integer()
100,0,1,98, % b :: atom()
97,55 % 55 :: integer()
>>),
%% Maps of different sizes
lists:foldl(fun(Key, M0) ->
M1 = M0#{Key => Key},
case Key rem 17 of
0 ->
M1 = binary_to_term(term_to_binary(M1));
_ ->
ok
end,
M1
end,
#{},
lists:seq(1,10000)),
%% many maps in same binary
MapList = lists:foldl(fun(K, [M|_]=Acc) -> [M#{K => K} | Acc] end,
[#{}],
lists:seq(1,100)),
MapList = binary_to_term(term_to_binary(MapList)),
MapListR = lists:reverse(MapList),
MapListR = binary_to_term(term_to_binary(MapListR)),
%% error cases
%% template: <<131,116,0,0,0,2,100,0,1,97,100,0,1,98,97,1,97,1>>
%% which is: #{ a=>1, b=>1 }
%% uniqueness violation
%% literally #{ a=>1, "hi"=>"value", a=>2 }
{'EXIT',{badarg,[{_,_,_,_}|_]}} = (catch
erlang:binary_to_term(<<131,116,0,0,0,3,
100,0,1,97,
97,1,
107,0,2,104,105,
107,0,5,118,97,108,117,101,
100,0,1,97,
97,2>>)),
%% bad size (too large)
{'EXIT',{badarg,[{_,_,_,_}|_]}} = (catch
erlang:binary_to_term(<<131,116,0,0,0,12,100,0,1,97,97,1,100,0,1,98,97,1>>)),
%% 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>>),
%% 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) ->
M1 = maps:put(K,V,M0),
B0 = erlang:term_to_binary(M1),
Ls = [{erlang:term_to_binary(K), erlang:term_to_binary(V)}|EncodedPairs],
ok = match_encoded_map(B0, length(Ls), Ls),
%% decode and match it
M1 = erlang:binary_to_term(B0),
map_encode_decode_and_match(Pairs,Ls,M1);
map_encode_decode_and_match([],_,_) -> ok.
match_encoded_map(<<131,116,Size:32,Encoded/binary>>,Size,Items) ->
match_encoded_map_stripped_size(Encoded,Items,Items);
match_encoded_map(_,_,_) -> no_match_size.
match_encoded_map_stripped_size(<<>>,_,_) -> ok;
match_encoded_map_stripped_size(B0,[{<<131,K/binary>>,<<131,V/binary>>}|Items],Ls) ->
Ksz = byte_size(K),
Vsz = byte_size(V),
case B0 of
<<K:Ksz/binary,V:Vsz/binary,B1/binary>> ->
match_encoded_map_stripped_size(B1,Ls,Ls);
_ ->
match_encoded_map_stripped_size(B0,Items,Ls)
end;
match_encoded_map_stripped_size(_,[],_) -> fail.
t_bif_map_to_list(Config) when is_list(Config) ->
[] = maps:to_list(#{}),
[{a,1},{b,2}] = lists:sort(maps:to_list(#{a=>1,b=>2})),
[{a,1},{b,2},{c,3}] = lists:sort(maps:to_list(#{c=>3,a=>1,b=>2})),
[{a,1},{b,2},{g,3}] = lists:sort(maps:to_list(#{g=>3,a=>1,b=>2})),
[{a,1},{b,2},{g,3},{"c",4}] = lists:sort(maps:to_list(#{g=>3,a=>1,b=>2,"c"=>4})),
[{3,v2},{hi,v4},{{hi,3},v5},{"hi",v3},{<<"hi">>,v1}] =
lists:sort(maps:to_list(#{<<"hi">>=>v1,3=>v2,"hi"=>v3,hi=>v4,{hi,3}=>v5})),
[{3,v7},{hi,v9},{{hi,3},v10},{"hi",v8},{<<"hi">>,v6}] =
lists:sort(maps:to_list(#{<<"hi">>=>v1,3=>v2,"hi"=>v3,hi=>v4,{hi,3}=>v5,
<<"hi">>=>v6,3=>v7,"hi"=>v8,hi=>v9,{hi,3}=>v10})),
%% error cases
do_badmap(fun(T) ->
{'EXIT', {{badmap,T},_}} =
(catch maps:to_list(T))
end),
ok.
t_bif_map_from_list(Config) when is_list(Config) ->
#{} = maps:from_list([]),
A = maps:from_list([]),
0 = erlang:map_size(A),
#{a:=1,b:=2} = maps:from_list([{a,1},{b,2}]),
#{c:=3,a:=1,b:=2} = maps:from_list([{a,1},{b,2},{c,3}]),
#{g:=3,a:=1,b:=2} = maps:from_list([{a,1},{b,2},{g,3}]),
#{a:=2} = maps:from_list([{a,1},{a,3},{a,2}]),
#{ <<"hi">>:=v1,3:=v3,"hi":=v6,hi:=v4,{hi,3}:=v5} =
maps:from_list([{3,v3},{"hi",v6},{hi,v4},{{hi,3},v5},{<<"hi">>,v1}]),
#{<<"hi">>:=v6,3:=v8,"hi":=v11,hi:=v9,{hi,3}:=v10} =
maps:from_list([ {{hi,3},v3}, {"hi",v0},{3,v1}, {<<"hi">>,v4}, {hi,v2},
{<<"hi">>,v6}, {{hi,3},v10},{"hi",v11}, {hi,v9}, {3,v8}]),
%% repeated keys (large -> small)
Ps1 = [{a,I}|| I <- lists:seq(1,32)],
Ps2 = [{a,I}|| I <- lists:seq(33,64)],
M = maps:from_list(Ps1 ++ [{b,1},{c,1}] ++ Ps2),
#{ a := 64, b := 1, c := 1 } = M,
%% error cases
{'EXIT', {badarg,_}} = (catch maps:from_list(id([{a,b},b]))),
{'EXIT', {badarg,_}} = (catch maps:from_list(id([{a,b},{b,b,3}]))),
{'EXIT', {badarg,_}} = (catch maps:from_list(id([{a,b},<<>>]))),
{'EXIT', {badarg,_}} = (catch maps:from_list(id([{a,b}|{b,a}]))),
{'EXIT', {badarg,_}} = (catch maps:from_list(id(a))),
{'EXIT', {badarg,_}} = (catch maps:from_list(id(42))),
ok.
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;
check_build_and_remove(N,[F|Fs]) ->
{M,Ks} = build_and_check(N, maps:new(), F, []),
ok = remove_and_check(Ks,M),
check_build_and_remove(N,Fs).
build_and_check(0, M0, _, Ks) -> {M0, Ks};
build_and_check(N, M0, F, Ks) ->
K = build_key(F,N),
M1 = maps:put(K,K,M0),
ok = check_keys_exist([I||{I,_} <- [{K,M1}|Ks]], M1),
M2 = maps:update(K,v,M1),
v = maps:get(K,M2),
build_and_check(N-1,M1,F,[{K,M1}|Ks]).
remove_and_check([],_) -> ok;
remove_and_check([{K,Mc}|Ks], M0) ->
K = maps:get(K,M0),
true = maps:is_key(K,M0),
true = Mc =:= M0,
true = M0 == Mc,
M1 = maps:remove(K,M0),
false = M1 =:= Mc,
false = Mc == M1,
false = maps:is_key(K,M1),
true = maps:is_key(K,M0),
ok = check_keys_exist([I||{I,_} <- Ks],M1),
error = maps:find(K,M1),
remove_and_check(Ks, M1).
build_key(F,N) when N rem 3 =:= 0 -> F(N);
build_key(F,N) when N rem 3 =:= 1 -> K = F(N), {K,K};
build_key(F,N) when N rem 3 =:= 2 -> K = F(N), [K,K].
check_keys_exist([], _) -> ok;
check_keys_exist([K|Ks],M) ->
true = maps:is_key(K,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],
[1,2,3,4],
[],
["hi"],
[e],
[build_key(fun(K) -> {small,K} end, I) || I <- lists:seq(1,32)],
lists:seq(5, 28),
lists:seq(29, 59),
[build_key(fun(K) -> integer_to_list(K) end, I) || I <- lists:seq(2000,10000)],
[build_key(fun(K) -> <<K:32>> end, I) || I <- lists:seq(1,80)],
[build_key(fun(K) -> {<<K:32>>} end, I) || I <- lists:seq(100,1000)]],
KsMs = build_keys_map_pairs(Kss),
Cs = [{CKs1,CM1,CKs2,CM2} || {CKs1,CM1} <- KsMs, {CKs2,CM2} <- KsMs],
ok = merge_and_check_combo(Cs),
%% overlapping ones
KVs1 = [{a,1},{b,2},{c,3}],
KVs2 = [{b,3},{c,4},{d,5}],
KVs = [{I,I} || I <- lists:seq(1,32)],
KVs3 = KVs1 ++ KVs,
KVs4 = KVs2 ++ KVs,
M1 = maps:from_list(KVs1),
M2 = maps:from_list(KVs2),
M3 = maps:from_list(KVs3),
M4 = maps:from_list(KVs4),
M12 = maps:merge(M1,M2),
ok = check_key_values(KVs2 ++ [{a,1}], M12),
M21 = maps:merge(M2,M1),
ok = check_key_values(KVs1 ++ [{d,5}], M21),
M34 = maps:merge(M3,M4),
ok = check_key_values(KVs4 ++ [{a,1}], M34),
M43 = maps:merge(M4,M3),
ok = check_key_values(KVs3 ++ [{d,5}], M43),
M14 = maps:merge(M1,M4),
ok = check_key_values(KVs4 ++ [{a,1}], M14),
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),
check_key_values(KVs,M).
merge_and_check_combo([]) -> ok;
merge_and_check_combo([{Ks1,M1,Ks2,M2}|Cs]) ->
M12 = maps:merge(M1,M2),
ok = check_keys_exist(Ks1 ++ Ks2, M12),
M21 = maps:merge(M2,M1),
ok = check_keys_exist(Ks1 ++ Ks2, M21),
true = M12 =:= M21,
M12 = M21,
merge_and_check_combo(Cs).
build_keys_map_pairs([]) -> [];
build_keys_map_pairs([Ks|Kss]) ->
M = maps:from_list(keys_to_pairs(Ks)),
ok = check_keys_exist(Ks, M),
[{Ks,M}|build_keys_map_pairs(Kss)].
keys_to_pairs(Ks) -> [{K,K} || K <- Ks].
%% Maps module, not BIFs
t_maps_fold(_Config) ->
Vs = lists:seq(1,100),
M = maps:from_list([{{k,I},{v,I}}||I<-Vs]),
%% fold
5050 = maps:fold(fun({k,_},{v,V},A) -> V + A end, 0, M),
ok.
t_maps_map(_Config) ->
Vs = lists:seq(1,100),
M1 = maps:from_list([{I,I}||I<-Vs]),
M2 = maps:from_list([{I,{token,I}}||I<-Vs]),
M2 = maps:map(fun(_K,V) -> {token,V} end, M1),
ok.
t_maps_size(_Config) ->
Vs = lists:seq(1,100),
lists:foldl(fun(I,M) ->
M1 = maps:put(I,I,M),
I = maps:size(M1),
M1
end, #{}, Vs),
ok.
t_maps_without(_Config) ->
Ki = [11,22,33,44,55,66,77,88,99],
M0 = maps:from_list([{{k,I},{v,I}}||I<-lists:seq(1,100)]),
M1 = maps:from_list([{{k,I},{v,I}}||I<-lists:seq(1,100) -- Ki]),
M1 = maps:without([{k,I}||I <- Ki],M0),
ok.
%% MISC
%% Verify that the the number of nodes in hashmaps
%% of different types and sizes does not deviate too
%% much from the theoretical model.
t_hashmap_balance(_Config) ->
io:format("Integer keys\n", []),
hashmap_balance(fun(I) -> I end),
io:format("Float keys\n", []),
hashmap_balance(fun(I) -> float(I) end),
io:format("String keys\n", []),
hashmap_balance(fun(I) -> integer_to_list(I) end),
io:format("Binary (big) keys\n", []),
hashmap_balance(fun(I) -> <<I:16/big>> end),
io:format("Binary (little) keys\n", []),
hashmap_balance(fun(I) -> <<I:16/little>> end),
io:format("Atom keys\n", []),
erts_debug:set_internal_state(available_internal_state, true),
hashmap_balance(fun(I) -> erts_debug:get_internal_state({atom,I}) end),
erts_debug:set_internal_state(available_internal_state, false),
ok.
hashmap_balance(KeyFun) ->
F = fun(I, {M0,Max0}) ->
Key = KeyFun(I),
M1 = M0#{Key => Key},
Max1 = case erts_internal:term_type(M1) of
hashmap ->
Nodes = hashmap_nodes(M1),
Avg = maps:size(M1) * 0.4,
StdDev = math:sqrt(maps:size(M1)) / 3,
SD_diff = abs(Nodes - Avg) / StdDev,
%%io:format("~p keys: ~p nodes avg=~p SD_diff=~p\n",
%% [maps:size(M1), Nodes, Avg, SD_diff]),
{MaxDiff0, _} = Max0,
case {Nodes > Avg, SD_diff > MaxDiff0} of
{true, true} -> {SD_diff, M1};
_ -> Max0
end;
flatmap -> Max0
end,
{M1, Max1}
end,
{_,{MaxDiff,MaxMap}} = lists:foldl(F,
{#{}, {0, 0}},
lists:seq(1,10000)),
io:format("Max std dev diff ~p for map of size ~p (nodes=~p, flatsize=~p)\n",
[MaxDiff, maps:size(MaxMap), hashmap_nodes(MaxMap), erts_debug:flat_size(MaxMap)]),
true = (MaxDiff < 6), % The probability of this line failing is about 0.000000001
% for a uniform hash. I've set the probability this "high" for now
% to detect flaws in our make_internal_hash.
% Hard limit is 15 (see hashmap_over_estimated_heap_size).
ok.
hashmap_nodes(M) ->
Info = erts_debug:map_info(M),
lists:foldl(fun(Tpl,Acc) ->
case element(1,Tpl) of
bitmaps -> Acc + element(2,Tpl);
arrays -> Acc + element(2,Tpl);
_ -> Acc
end
end,
0,
Info).
t_erts_internal_order(_Config) when is_list(_Config) ->
-1 = erts_internal:cmp_term(1,2),
1 = erts_internal:cmp_term(2,1),
0 = erts_internal:cmp_term(2,2),
-1 = erts_internal:cmp_term(1,a),
1 = erts_internal:cmp_term(a,1),
0 = erts_internal:cmp_term(a,a),
-1 = erts_internal:cmp_term(1,1.0),
1 = erts_internal:cmp_term(1.0,1),
0 = erts_internal:cmp_term(1.0,1.0),
-1 = erts_internal:cmp_term(1,1 bsl 65),
1 = erts_internal:cmp_term(1 bsl 65,1),
0 = erts_internal:cmp_term(1 bsl 65, 1 bsl 65),
-1 = erts_internal:cmp_term(1 bsl 65,float(1)),
1 = erts_internal:cmp_term(float(1),1 bsl 65),
-1 = erts_internal:cmp_term(1,float(1 bsl 65)),
1 = erts_internal:cmp_term(float(1 bsl 65),1),
0 = erts_internal:cmp_term(float(1 bsl 65), float(1 bsl 65)),
%% reported errors
-1 = erts_internal:cmp_term(0,2147483648),
0 = erts_internal:cmp_term(2147483648,2147483648),
1 = erts_internal:cmp_term(2147483648,0),
M = #{0 => 0,2147483648 => 0},
true = M =:= binary_to_term(term_to_binary(M)),
F1 = fun(_, _) -> 0 end,
F2 = fun(_, _) -> 1 end,
M0 = maps:from_list( [{-2147483649, 0}, {0,0}, {97, 0}, {false, 0}, {flower, 0}, {F1, 0}, {F2, 0}, {<<>>, 0}]),
M1 = maps:merge(M0, #{0 => 1}),
8 = maps:size(M1),
1 = maps:get(0,M1),
ok.
t_erts_internal_hash(_Config) when is_list(_Config) ->
K1 = 0.0,
K2 = 0.0/-1,
M = maps:from_list([{I,I}||I<-lists:seq(1,32)]),
M1 = M#{ K1 => a, K2 => b },
b = maps:get(K2,M1),
M2 = M#{ K2 => a, K1 => b },
b = maps:get(K1,M2),
%% test previously faulty hash list optimization
M3 = M#{[0] => a, [0,0] => b, [0,0,0] => c, [0,0,0,0] => d},
a = maps:get([0],M3),
b = maps:get([0,0],M3),
c = maps:get([0,0,0],M3),
d = maps:get([0,0,0,0],M3),
M4 = M#{{[0]} => a, {[0,0]} => b, {[0,0,0]} => c, {[0,0,0,0]} => d},
a = maps:get({[0]},M4),
b = maps:get({[0,0]},M4),
c = maps:get({[0,0,0]},M4),
d = maps:get({[0,0,0,0]},M4),
M5 = M3#{[0,0,0] => e, [0,0,0,0] => f, [0,0,0,0,0] => g,
[0,0,0,0,0,0] => h, [0,0,0,0,0,0,0] => i,
[0,0,0,0,0,0,0,0] => j, [0,0,0,0,0,0,0,0,0] => k},
a = maps:get([0],M5),
b = maps:get([0,0],M5),
e = maps:get([0,0,0],M5),
f = maps:get([0,0,0,0],M5),
g = maps:get([0,0,0,0,0],M5),
h = maps:get([0,0,0,0,0,0],M5),
i = maps:get([0,0,0,0,0,0,0],M5),
j = maps:get([0,0,0,0,0,0,0,0],M5),
k = maps:get([0,0,0,0,0,0,0,0,0],M5),
M6 = M4#{{[0,0,0]} => e, {[0,0,0,0]} => f, {[0,0,0,0,0]} => g,
{[0,0,0,0,0,0]} => h, {[0,0,0,0,0,0,0]} => i,
{[0,0,0,0,0,0,0,0]} => j, {[0,0,0,0,0,0,0,0,0]} => k},
a = maps:get({[0]},M6),
b = maps:get({[0,0]},M6),
e = maps:get({[0,0,0]},M6),
f = maps:get({[0,0,0,0]},M6),
g = maps:get({[0,0,0,0,0]},M6),
h = maps:get({[0,0,0,0,0,0]},M6),
i = maps:get({[0,0,0,0,0,0,0]},M6),
j = maps:get({[0,0,0,0,0,0,0,0]},M6),
k = maps:get({[0,0,0,0,0,0,0,0,0]},M6),
M7 = maps:merge(M5,M6),
a = maps:get([0],M7),
b = maps:get([0,0],M7),
e = maps:get([0,0,0],M7),
f = maps:get([0,0,0,0],M7),
g = maps:get([0,0,0,0,0],M7),
h = maps:get([0,0,0,0,0,0],M7),
i = maps:get([0,0,0,0,0,0,0],M7),
j = maps:get([0,0,0,0,0,0,0,0],M7),
k = maps:get([0,0,0,0,0,0,0,0,0],M7),
a = maps:get({[0]},M7),
b = maps:get({[0,0]},M7),
e = maps:get({[0,0,0]},M7),
f = maps:get({[0,0,0,0]},M7),
g = maps:get({[0,0,0,0,0]},M7),
h = maps:get({[0,0,0,0,0,0]},M7),
i = maps:get({[0,0,0,0,0,0,0]},M7),
j = maps:get({[0,0,0,0,0,0,0,0]},M7),
k = maps:get({[0,0,0,0,0,0,0,0,0]},M7),
ok.
t_pdict(_Config) ->
put(#{ a => b, b => a},#{ c => d}),
put(get(#{ a => b, b => a}),1),
1 = get(#{ c => d}),
#{ c := d } = get(#{ a => b, b => a}).
t_ets(_Config) ->
Tid = ets:new(map_table,[]),
[ets:insert(Tid,{maps:from_list([{I,-I}]),I}) || I <- lists:seq(1,100)],
[{#{ 2 := -2},2}] = ets:lookup(Tid,#{ 2 => -2 }),
%% Test equal
[3,4] = lists:sort(
ets:select(Tid,[{{'$1','$2'},
[{'or',{'==','$1',#{ 3 => -3 }},
{'==','$1',#{ 4 => -4 }}}],
['$2']}])),
%% Test match
[30,50] = lists:sort(
ets:select(Tid,
[{{#{ 30 => -30}, '$1'},[],['$1']},
{{#{ 50 => -50}, '$1'},[],['$1']}]
)),
ets:insert(Tid,{#{ a => b, b => c, c => a},transitivity}),
%% Test equal with map of different size
[] = ets:select(Tid,[{{'$1','_'},[{'==','$1',#{ b => c }}],['$_']}]),
%% Test match with map of different size
%[{#{ a := b },_}] = ets:select(Tid,[{{#{ b => c },'_'},[],['$_']}]),
%%% Test match with don't care value
%[{#{ a := b },_}] = ets:select(Tid,[{{#{ b => '_' },'_'},[],['$_']}]),
%% Test is_map bif
101 = length(ets:select(Tid,[{'$1',[{is_map,{element,1,'$1'}}],['$1']}])),
ets:insert(Tid,{not_a_map,2}),
101 = length(ets:select(Tid,[{'$1',[{is_map,{element,1,'$1'}}],['$1']}])),
ets:insert(Tid,{{nope,a,tuple},2}),
101 = length(ets:select(Tid,[{'$1',[{is_map,{element,1,'$1'}}],['$1']}])),
%% Test map_size bif
[3] = ets:select(Tid,[{{'$1','_'},[{'==',{map_size,'$1'},3}],
[{map_size,'$1'}]}]),
true = ets:delete(Tid,#{50 => -50}),
[] = ets:lookup(Tid,#{50 => -50}),
ets:delete(Tid),
ok.
t_dets(_Config) ->
ok.
t_tracing(_Config) ->
dbg:stop_clear(),
{ok,Tracer} = dbg:tracer(process,{fun trace_collector/2, self()}),
dbg:p(self(),c),
%% Test basic map call
{ok,_} = dbg:tpl(?MODULE,id,x),
id(#{ a => b }),
{trace,_,call,{?MODULE,id,[#{ a := b }]}} = getmsg(Tracer),
{trace,_,return_from,{?MODULE,id,1},#{ a := b }} = getmsg(Tracer),
dbg:ctpl(),
%% Test equals in argument list
{ok,_} = dbg:tpl(?MODULE,id,[{['$1'],[{'==','$1',#{ b => c}}],
[{return_trace}]}]),
id(#{ a => b }),
id(#{ b => c }),
{trace,_,call,{?MODULE,id,[#{ b := c }]}} = getmsg(Tracer),
{trace,_,return_from,{?MODULE,id,1},#{ b := c }} = getmsg(Tracer),
dbg:ctpl(),
%% Test match in head
{ok,_} = dbg:tpl(?MODULE,id,[{[#{b => c}],[],[]}]),
id(#{ a => b }),
id(#{ b => c }),
{trace,_,call,{?MODULE,id,[#{ b := c }]}} = getmsg(Tracer),
dbg:ctpl(),
% Test map guard bifs
{ok,_} = dbg:tpl(?MODULE,id,[{['$1'],[{is_map,{element,1,'$1'}}],[]}]),
id(#{ a => b }),
id({1,2}),
id({#{ a => b},2}),
{trace,_,call,{?MODULE,id,[{#{ a := b },2}]}} = getmsg(Tracer),
dbg:ctpl(),
{ok,_} = dbg:tpl(?MODULE,id,[{['$1'],[{'==',{map_size,{element,1,'$1'}},2}],[]}]),
id(#{ a => b }),
id({1,2}),
id({#{ a => b},2}),
id({#{ a => b, b => c},atom}),
{trace,_,call,{?MODULE,id,[{#{ a := b, b := c },atom}]}} = getmsg(Tracer),
dbg:ctpl(),
%MS = dbg:fun2ms(fun([A]) when A == #{ a => b} -> ok end),
%dbg:tpl(?MODULE,id,MS),
%id(#{ a => b }),
%id(#{ b => c }),
%{trace,_,call,{?MODULE,id,[#{ a := b }]}} = getmsg(Tracer),
%dbg:ctpl(),
%% Check to extra messages
timeout = getmsg(Tracer),
dbg:stop_clear(),
ok.
getmsg(_Tracer) ->
receive V -> V after 100 -> timeout end.
trace_collector(Msg,Parent) ->
io:format("~p~n",[Msg]),
Parent ! Msg,
Parent.
t_has_map_fields(Config) when is_list(Config) ->
true = has_map_fields_1(#{one=>1}),
true = has_map_fields_1(#{one=>1,two=>2}),
false = has_map_fields_1(#{two=>2}),
false = has_map_fields_1(#{}),
true = has_map_fields_2(#{c=>1,b=>2,a=>3}),
true = has_map_fields_2(#{c=>1,b=>2,a=>3,x=>42}),
false = has_map_fields_2(#{b=>2,c=>1}),
false = has_map_fields_2(#{x=>y}),
false = has_map_fields_2(#{}),
true = has_map_fields_3(#{c=>1,b=>2,a=>3}),
true = has_map_fields_3(#{c=>1,b=>2,a=>3,[]=>42}),
true = has_map_fields_3(#{b=>2,a=>3,[]=>42,42.0=>43}),
true = has_map_fields_3(#{a=>3,[]=>42,42.0=>43}),
true = has_map_fields_3(#{[]=>42,42.0=>43}),
false = has_map_fields_3(#{b=>2,c=>1}),
false = has_map_fields_3(#{[]=>y}),
false = has_map_fields_3(#{42.0=>x,a=>99}),
false = has_map_fields_3(#{}),
ok.
has_map_fields_1(#{one:=_}) -> true;
has_map_fields_1(#{}) -> false.
has_map_fields_2(#{a:=_,b:=_,c:=_}) -> true;
has_map_fields_2(#{}) -> false.
has_map_fields_3(#{a:=_,b:=_}) -> true;
has_map_fields_3(#{[]:=_,42.0:=_}) -> true;
has_map_fields_3(#{}) -> false.
y_regs(Config) when is_list(Config) ->
Val = [length(Config)],
Map0 = y_regs_update(#{}, Val),
Map2 = y_regs_update(Map0, Val),
Map3 = maps:from_list([{I,I*I} || I <- lists:seq(1, 100)]),
Map4 = y_regs_update(Map3, Val),
true = is_map(Map2) andalso is_map(Map4),
ok.
y_regs_update(Map0, Val0) ->
Val1 = {t,Val0},
K1 = id({key,1}),
K2 = id({key,2}),
Map1 = Map0#{K1=>K1,
a=>Val0,b=>Val0,c=>Val0,d=>Val0,e=>Val0,
f=>Val0,g=>Val0,h=>Val0,i=>Val0,j=>Val0,
k=>Val0,l=>Val0,m=>Val0,n=>Val0,o=>Val0,
p=>Val0,q=>Val0,r=>Val0,s=>Val0,t=>Val0,
u=>Val0,v=>Val0,w=>Val0,x=>Val0,y=>Val0,
z=>Val0,
aa=>Val0,ab=>Val0,ac=>Val0,ad=>Val0,ae=>Val0,
af=>Val0,ag=>Val0,ah=>Val0,ai=>Val0,aj=>Val0,
ak=>Val0,al=>Val0,am=>Val0,an=>Val0,ao=>Val0,
ap=>Val0,aq=>Val0,ar=>Val0,as=>Val0,at=>Val0,
au=>Val0,av=>Val0,aw=>Val0,ax=>Val0,ay=>Val0,
az=>Val0,
K2=>[a,b,c]},
Map2 = Map1#{K1=>K1,
a:=Val1,b:=Val1,c:=Val1,d:=Val1,e:=Val1,
f:=Val1,g:=Val1,h:=Val1,i:=Val1,j:=Val1,
k:=Val1,l:=Val1,m:=Val1,n:=Val1,o:=Val1,
p:=Val1,q:=Val1,r:=Val1,s:=Val1,t:=Val1,
u:=Val1,v:=Val1,w:=Val1,x:=Val1,y:=Val1,
z:=Val1,
aa:=Val1,ab:=Val1,ac:=Val1,ad:=Val1,ae:=Val1,
af:=Val1,ag:=Val1,ah:=Val1,ai:=Val1,aj:=Val1,
ak:=Val1,al:=Val1,am:=Val1,an:=Val1,ao:=Val1,
ap:=Val1,aq:=Val1,ar:=Val1,as:=Val1,at:=Val1,
au:=Val1,av:=Val1,aw:=Val1,ax:=Val1,ay:=Val1,
az:=Val1,
K2=>[a,b,c]},
%% Traverse the maps to validate them.
_ = erlang:phash2({Map1,Map2}, 100000),
_ = id({K1,K2,Val0,Val1}), %Force use of Y registers.
Map2.
do_badmap(Test) ->
Terms = [Test,fun erlang:abs/1,make_ref(),self(),0.0/id(-1),
<<0:1024>>,<<1:1>>,<<>>,<<1,2,3>>,
[],{a,b,c},[a,b],atom,10.0,42,(1 bsl 65) + 3],
[Test(T) || T <- Terms].
%% Test that a module compiled with the OTP 17 compiler will
%% generate the correct 'badmap' exception.
badmap_17(Config) ->
case ?MODULE of
map_SUITE -> do_badmap_17(Config);
_ -> {skip,"Run in map_SUITE"}
end.
do_badmap_17(Config) ->
Mod = badmap_17,
DataDir = test_server:lookup_config(data_dir, Config),
Beam = filename:join(DataDir, Mod),
{module,Mod} = code:load_abs(Beam),
do_badmap(fun Mod:update/1).
%% 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>>.
