%% %CopyrightBegin% %% %% Copyright Ericsson AB 2013. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in %% compliance with the License. You should have received a copy of the %% Erlang Public License along with this software. If not, it can be %% retrieved online at http://www.erlang.org/. %% %% Software distributed under the License is distributed on an "AS IS" %% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See %% the License for the specific language governing rights and limitations %% under the License. %% %% %CopyrightEnd% %% -module(map_SUITE). -export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1, init_per_group/2,end_per_group/2 ]). -export([ t_build_and_match_literals/1, t_update_literals/1,t_match_and_update_literals/1, t_update_map_expressions/1, t_update_assoc/1,t_update_exact/1, t_guard_bifs/1, t_guard_sequence/1, t_guard_update/1, t_guard_receive/1, t_guard_fun/1, t_list_comprehension/1, t_map_sort_literals/1, t_map_equal/1, t_map_compare/1, t_map_size/1, %% Specific Map BIFs t_bif_map_get/1, t_bif_map_find/1, t_bif_map_is_key/1, t_bif_map_keys/1, t_bif_map_merge/1, t_bif_map_new/1, t_bif_map_put/1, t_bif_map_remove/1, t_bif_map_update/1, t_bif_map_values/1, t_bif_map_to_list/1, t_bif_map_from_list/1, %% erlang t_erlang_hash/1, t_map_encode_decode/1, %% non specific BIF related t_bif_build_and_check/1, t_bif_merge_and_check/1, %% maps module not bifs t_maps_fold/1, t_maps_map/1, t_maps_size/1, t_maps_without/1, %% misc t_pdict/1, t_ets/1, t_dets/1, t_tracing/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_update_literals, t_match_and_update_literals, t_update_map_expressions, t_update_assoc,t_update_exact, t_guard_bifs, t_guard_sequence, t_guard_update, t_guard_receive,t_guard_fun, t_list_comprehension, t_map_equal, t_map_compare, t_map_sort_literals, %% Specific Map BIFs t_bif_map_get,t_bif_map_find,t_bif_map_is_key, t_bif_map_keys, t_bif_map_merge, t_bif_map_new, t_bif_map_put, t_bif_map_remove, t_bif_map_update, t_bif_map_values, t_bif_map_to_list, t_bif_map_from_list, %% erlang t_erlang_hash, t_map_encode_decode, t_map_size, %% 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_pdict, t_ets, t_tracing ]. groups() -> []. init_per_suite(Config) -> Config. end_per_suite(_Config) -> ok. init_per_group(_GroupName, Config) -> Config. end_per_group(_GroupName, Config) -> Config. %% 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}), #{<<"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_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,#{}), %% Error cases. {'EXIT',{badarg,_}} = (catch map_size([])), {'EXIT',{badarg,_}} = (catch map_size(<<1,2,3>>)), {'EXIT',{badarg,_}} = (catch map_size(1)), 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. % test map updates without matching 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}, #{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. loop_match_and_update_literals_x_q(Map, []) -> Map; loop_match_and_update_literals_x_q(#{q:=Q0,x:=X0} = 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 }, %% Error cases, FIXME: should be 'badmap'? {'EXIT',{badarg,_}} = (catch (id(<<>>))#{ a := 42, b => 2 }), {'EXIT',{badarg,_}} = (catch (id([]))#{ a := 42, b => 2 }), 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. BadMap = id(badmap), {'EXIT',{badarg,_}} = (catch BadMap#{nonexisting=>val}), 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. {'EXIT',{badarg,_}} = (catch M0#{nonexisting:=val}), {'EXIT',{badarg,_}} = (catch M0#{1.0:=v,1.0=>v2}), {'EXIT',{badarg,_}} = (catch M0#{42.0:=v,42:=v2}), {'EXIT',{badarg,_}} = (catch M0#{42=>v1,42.0:=v2,42:=v3}), 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. 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. 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 = <>, #{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. 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=><>}}, 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]], 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) -> Seed = erlang:now(), io:format("seed = ~p\n", [Seed]), random:seed(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 = random: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(random: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 -1; {false,true} -> 0; {false,false} -> 1 end. map_gen(Pairs, Size) -> {_,L} = lists:foldl(fun(_, {Keys, Acc}) -> KI = random:uniform(size(Keys)), K = element(KI,Keys), KV = element(random: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}; 0 -> {A==B, A/=B}; 1 -> {A>B, A= 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 random:uniform(size(Leafs)) + 3; {0, 0} -> % Only containers random:uniform(3); {0,_} -> % Anything random:uniform(size(Leafs)+3) end, case Rnd of 1 -> % Make map Size = random:uniform(size(Leafs)), lists:foldl(fun(_, {Acc1,Acc2}) -> {K1,K2} = term_gen_recursive(Leafs, Flags, Depth+1), {V1,V2} = term_gen_recursive(Leafs, Flags, Depth+1), %%ok = check_keys(K1,K2, 0), {maps:put(K1,V1, Acc1), maps:put(K2,V2, Acc2)} end, {maps:new(), maps:new()}, 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 = random: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 random:uniform(4) of 1 -> {I, float(I)}; 2 -> {float(I), I}; _ -> {I,I} end; T -> {T,T} end end. check_keys(K1, K2, _) when K1 =:= K2 -> case erlang:phash3(K1) =:= erlang:phash3(K2) of true -> ok; false -> io:format("Same keys with different hash values !!!\nK1 = ~p\nK2 = ~p\n", [K1,K2]), error end; check_keys(K1, K2, 0) -> case {erlang:phash3(K1), erlang:phash3(K2)} of {H,H} -> check_keys(K1, K2, 1); {_,_} -> ok end; check_keys(K1, K2, L) when L < 10 -> case {erlang:phash3([L|K1]), erlang:phash3([L|K2])} of {H,H} -> check_keys(K1, K2, L+1); {_,_} -> ok end; check_keys(K1, K2, L) -> io:format("Same hash value at level ~p !!!\nK1 = ~p\nK2 = ~p\n", [L,K1,K2]), error. %% BIFs t_bif_map_get(Config) when is_list(Config) -> %% 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 case {'EXIT',{badarg, [{maps,get,_,_}|_]}} = (catch maps:get(a,[])), {'EXIT',{badarg, [{maps,get,_,_}|_]}} = (catch maps:get(a,<<>>)), {'EXIT',{bad_key,[{maps,get,_,_}|_]}} = (catch maps:get({1,1}, #{{1,1.0} => "tuple"})), {'EXIT',{bad_key,[{maps,get,_,_}|_]}} = (catch maps:get(a,#{})), {'EXIT',{bad_key,[{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 {'EXIT',{badarg,[{maps,find,_,_}|_]}} = (catch maps:find(a,id([]))), {'EXIT',{badarg,[{maps,find,_,_}|_]}} = (catch maps:find(a,id(<<>>))), 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 {'EXIT',{badarg,[{maps,is_key,_,_}|_]}} = (catch maps:is_key(a,id([]))), {'EXIT',{badarg,[{maps,is_key,_,_}|_]}} = (catch maps:is_key(a,id(<<>>))), 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 {'EXIT',{badarg,[{maps,keys,_,_}|_]}} = (catch maps:keys(1 bsl 65 + 3)), {'EXIT',{badarg,[{maps,keys,_,_}|_]}} = (catch maps:keys(154)), {'EXIT',{badarg,[{maps,keys,_,_}|_]}} = (catch maps:keys(atom)), {'EXIT',{badarg,[{maps,keys,_,_}|_]}} = (catch maps:keys([])), {'EXIT',{badarg,[{maps,keys,_,_}|_]}} = (catch maps:keys(<<>>)), 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), %% error case {'EXIT',{badarg,[{maps,merge,_,_}|_]}} = (catch maps:merge((1 bsl 65 + 3), <<>>)), {'EXIT',{badarg,[{maps,merge,_,_}|_]}} = (catch maps:merge(<<>>, id(#{ a => 1}))), {'EXIT',{badarg,[{maps,merge,_,_}|_]}} = (catch maps:merge(id(#{ a => 2}), <<>> )), 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 {'EXIT',{badarg,[{maps,put,_,_}|_]}} = (catch maps:put(1,a,1 bsl 65 + 3)), {'EXIT',{badarg,[{maps,put,_,_}|_]}} = (catch maps:put(1,a,154)), {'EXIT',{badarg,[{maps,put,_,_}|_]}} = (catch maps:put(1,a,atom)), {'EXIT',{badarg,[{maps,put,_,_}|_]}} = (catch maps:put(1,a,[])), {'EXIT',{badarg,[{maps,put,_,_}|_]}} = (catch maps:put(1,a,<<>>)), 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 {'EXIT',{badarg,[{maps,remove,_,_}|_]}} = (catch maps:remove(a,1 bsl 65 + 3)), {'EXIT',{badarg,[{maps,remove,_,_}|_]}} = (catch maps:remove(1,154)), {'EXIT',{badarg,[{maps,remove,_,_}|_]}} = (catch maps:remove(a,atom)), {'EXIT',{badarg,[{maps,remove,_,_}|_]}} = (catch maps:remove(1,[])), {'EXIT',{badarg,[{maps,remove,_,_}|_]}} = (catch maps:remove(a,<<>>)), ok. 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 {'EXIT',{badarg,[{maps,update,_,_}|_]}} = (catch maps:update(1,none,{})), {'EXIT',{badarg,[{maps,update,_,_}|_]}} = (catch maps:update(1,none,<<"value">>)), {'EXIT',{badarg,[{maps,update,_,_}|_]}} = (catch maps:update(5,none,M0)), 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)), %% error case {'EXIT',{badarg,[{maps,values,_,_}|_]}} = (catch maps:values(1 bsl 65 + 3)), {'EXIT',{badarg,[{maps,values,_,_}|_]}} = (catch maps:values(atom)), {'EXIT',{badarg,[{maps,values,_,_}|_]}} = (catch maps:values([])), {'EXIT',{badarg,[{maps,values,_,_}|_]}} = (catch maps:values(<<>>)), ok. t_erlang_hash(Config) when is_list(Config) -> ok = t_bif_erlang_phash2(), ok = t_bif_erlang_phash(), ok = t_bif_erlang_hash(), ok. t_bif_erlang_phash2() -> 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_bif_erlang_hash() -> Sz = 1 bsl 27 - 1, 39684169 = erlang:hash(#{},Sz), % 5158 33673142 = erlang:hash(#{ a => 1, "a" => 2, <<"a">> => 3, {a,b} => 4 },Sz), % 71555838 95337869 = erlang:hash(#{ 1 => a, 2 => "a", 3 => <<"a">>, 4 => {a,b} },Sz), % 5497225 108959561 = erlang:hash(#{ 1 => a },Sz), % 126071654 59623150 = erlang:hash(#{ a => 1 },Sz), % 126426236 42775386 = erlang:hash(#{{} => <<>>},Sz), % 101655720 71692856 = erlang:hash(#{<<>> => {}},Sz), % 101655720 M0 = #{ a => 1, "key" => <<"value">> }, M1 = maps:remove("key",M0), M2 = M1#{ "key" => <<"value">> }, 70254632 = erlang:hash(M0,Sz), % 38260486 59623150 = erlang:hash(M1,Sz), % 126426236 70254632 = erlang:hash(M2,Sz), % 38260486 ok. t_map_encode_decode(Config) when is_list(Config) -> <<131,116,0,0,0,0>> = erlang:term_to_binary(#{}), Pairs = [ {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}, {{},{}},{[],[]} ], 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() >>), %% 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>>), 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 <> -> 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 {'EXIT', {badarg,_}} = (catch maps:to_list(id(a))), {'EXIT', {badarg,_}} = (catch maps:to_list(id(42))), 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}]), %% 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_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) -> <> 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([K|Ks], M1), M2 = maps:update(K,v,M1), v = maps:get(K,M2), build_and_check(N-1,M1,F,[K|Ks]). remove_and_check([],_) -> ok; remove_and_check([K|Ks], M0) -> K = maps:get(K,M0), true = maps:is_key(K,M0), M1 = maps:remove(K,M0), false = maps:is_key(K,M1), true = maps:is_key(K,M0), ok = check_keys_exist(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) -> %% 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) -> <> end, I) || I <- lists:seq(1,80)], [build_key(fun(K) -> {<>} 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), ok. 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 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. %% Use this function to avoid compile-time evaluation of an expression. id(I) -> I.