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-rw-r--r--lib/stdlib/doc/src/gb_sets.xml13
-rw-r--r--lib/stdlib/doc/src/gb_trees.xml13
-rw-r--r--lib/stdlib/doc/src/maps.xml22
-rw-r--r--lib/stdlib/src/digraph.erl2
-rw-r--r--lib/stdlib/src/gb_sets.erl24
-rw-r--r--lib/stdlib/src/gb_trees.erl31
-rw-r--r--lib/stdlib/src/maps.erl21
-rw-r--r--lib/stdlib/src/otp_internal.erl3
-rw-r--r--lib/stdlib/test/dict_SUITE.erl50
-rw-r--r--lib/stdlib/test/dict_test_lib.erl5
-rw-r--r--lib/stdlib/test/ets_SUITE.erl91
-rw-r--r--lib/stdlib/test/maps_SUITE.erl14
-rw-r--r--lib/stdlib/test/sets_SUITE.erl44
-rw-r--r--lib/stdlib/test/sets_test_lib.erl5
14 files changed, 296 insertions, 42 deletions
diff --git a/lib/stdlib/doc/src/gb_sets.xml b/lib/stdlib/doc/src/gb_sets.xml
index ea96c14472..405bae5698 100644
--- a/lib/stdlib/doc/src/gb_sets.xml
+++ b/lib/stdlib/doc/src/gb_sets.xml
@@ -4,7 +4,7 @@
<erlref>
<header>
<copyright>
- <year>2001</year><year>2014</year>
+ <year>2001</year><year>2015</year>
<holder>Ericsson AB. All Rights Reserved.</holder>
</copyright>
<legalnotice>
@@ -306,6 +306,17 @@
</desc>
</func>
<func>
+ <name name="iterator_from" arity="2"/>
+ <fsummary>Return an iterator for a set starting from a specified element</fsummary>
+ <desc>
+ <p>Returns an iterator that can be used for traversing the
+ entries of <c><anno>Set</anno></c>; see <c>next/1</c>.
+ The difference as compared to the iterator returned by
+ <c>iterator/1</c> is that the first element greater than
+ or equal to <c><anno>Element</anno></c> is returned.</p>
+ </desc>
+ </func>
+ <func>
<name name="largest" arity="1"/>
<fsummary>Return largest element</fsummary>
<desc>
diff --git a/lib/stdlib/doc/src/gb_trees.xml b/lib/stdlib/doc/src/gb_trees.xml
index b2f237e1d7..82167e1083 100644
--- a/lib/stdlib/doc/src/gb_trees.xml
+++ b/lib/stdlib/doc/src/gb_trees.xml
@@ -4,7 +4,7 @@
<erlref>
<header>
<copyright>
- <year>2001</year><year>2014</year>
+ <year>2001</year><year>2015</year>
<holder>Ericsson AB. All Rights Reserved.</holder>
</copyright>
<legalnotice>
@@ -183,6 +183,17 @@
</desc>
</func>
<func>
+ <name name="iterator_from" arity="2"/>
+ <fsummary>Return an iterator for a tree starting from specified key</fsummary>
+ <desc>
+ <p>Returns an iterator that can be used for traversing the
+ entries of <c><anno>Tree</anno></c>; see <c>next/1</c>.
+ The difference as compared to the iterator returned by
+ <c>iterator/1</c> is that the first key greater than
+ or equal to <c><anno>Key</anno></c> is returned.</p>
+ </desc>
+ </func>
+ <func>
<name name="keys" arity="1"/>
<fsummary>Return a list of the keys in a tree</fsummary>
<desc>
diff --git a/lib/stdlib/doc/src/maps.xml b/lib/stdlib/doc/src/maps.xml
index e46068230a..7345a9357a 100644
--- a/lib/stdlib/doc/src/maps.xml
+++ b/lib/stdlib/doc/src/maps.xml
@@ -33,6 +33,28 @@
<funcs>
<func>
+ <name name="filter" arity="2"/>
+ <fsummary>Choose pairs which satisfy a predicate</fsummary>
+ <desc>
+ <p>
+ Returns a map <c><anno>Map2</anno></c> for which predicate
+ <c><anno>Pred</anno></c> holds true in <c><anno>Map1</anno></c>.
+ </p>
+ <p>
+ The call will fail with a <c>{badmap,Map}</c> exception if
+ <c><anno>Map1</anno></c> is not a map or with <c>badarg</c> if
+ <c><anno>Pred</anno></c> is not a function of arity 2.
+ </p>
+ <p>Example:</p>
+ <code type="none">
+> M = #{a => 2, b => 3, c=> 4, "a" => 1, "b" => 2, "c" => 4},
+ Pred = fun(K,V) -> is_atom(K) andalso (V rem 2) =:= 0 end,
+ maps:filter(Pred,M).
+#{a => 2,c => 4} </code>
+ </desc>
+ </func>
+
+ <func>
<name name="find" arity="2"/>
<fsummary></fsummary>
<desc>
diff --git a/lib/stdlib/src/digraph.erl b/lib/stdlib/src/digraph.erl
index 0c21271529..1f8caa88a4 100644
--- a/lib/stdlib/src/digraph.erl
+++ b/lib/stdlib/src/digraph.erl
@@ -36,7 +36,7 @@
-export([get_short_path/3, get_short_cycle/2]).
--export_type([graph/0, d_type/0, vertex/0, edge/0]).
+-export_type([graph/0, d_type/0, vertex/0, edge/0, label/0]).
-record(digraph, {vtab = notable :: ets:tab(),
etab = notable :: ets:tab(),
diff --git a/lib/stdlib/src/gb_sets.erl b/lib/stdlib/src/gb_sets.erl
index 393fb07229..d3fbd542f7 100644
--- a/lib/stdlib/src/gb_sets.erl
+++ b/lib/stdlib/src/gb_sets.erl
@@ -137,6 +137,10 @@
%% approach is that it does not require the complete list of all
%% elements to be built in memory at one time.
%%
+%% - iterator_from(X, S): returns an iterator that can be used for
+%% traversing the elements of set S greater than or equal to X;
+%% see `next'.
+%%
%% - next(T): returns {X, T1} where X is the smallest element referred
%% to by the iterator T, and T1 is the new iterator to be used for
%% traversing the remaining elements, or the atom `none' if no
@@ -157,8 +161,8 @@
insert/2, add/2, delete/2, delete_any/2, balance/1, union/2,
union/1, intersection/2, intersection/1, is_disjoint/2, difference/2,
is_subset/2, to_list/1, from_list/1, from_ordset/1, smallest/1,
- largest/1, take_smallest/1, take_largest/1, iterator/1, next/1,
- filter/2, fold/3, is_set/1]).
+ largest/1, take_smallest/1, take_largest/1, iterator/1,
+ iterator_from/2, next/1, filter/2, fold/3, is_set/1]).
%% `sets' compatibility aliases:
@@ -500,6 +504,22 @@ iterator({_, L, _} = T, As) ->
iterator(nil, As) ->
As.
+-spec iterator_from(Element, Set) -> Iter when
+ Set :: set(Element),
+ Iter :: iter(Element).
+
+iterator_from(S, {_, T}) ->
+ iterator_from(S, T, []).
+
+iterator_from(S, {K, _, T}, As) when K < S ->
+ iterator_from(S, T, As);
+iterator_from(_, {_, nil, _} = T, As) ->
+ [T | As];
+iterator_from(S, {_, L, _} = T, As) ->
+ iterator_from(S, L, [T | As]);
+iterator_from(_, nil, As) ->
+ As.
+
-spec next(Iter1) -> {Element, Iter2} | 'none' when
Iter1 :: iter(Element),
Iter2 :: iter(Element).
diff --git a/lib/stdlib/src/gb_trees.erl b/lib/stdlib/src/gb_trees.erl
index 7069b61873..259e8f718b 100644
--- a/lib/stdlib/src/gb_trees.erl
+++ b/lib/stdlib/src/gb_trees.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2001-2014. All Rights Reserved.
+%% Copyright Ericsson AB 2001-2015. 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
@@ -102,6 +102,10 @@
%% approach is that it does not require the complete list of all
%% elements to be built in memory at one time.
%%
+%% - iterator_from(K, T): returns an iterator that can be used for
+%% traversing the entries of tree T with key greater than or
+%% equal to K; see `next'.
+%%
%% - next(S): returns {X, V, S1} where X is the smallest key referred to
%% by the iterator S, and S1 is the new iterator to be used for
%% traversing the remaining entries, or the atom `none' if no entries
@@ -117,7 +121,7 @@
update/3, enter/3, delete/2, delete_any/2, balance/1,
is_defined/2, keys/1, values/1, to_list/1, from_orddict/1,
smallest/1, largest/1, take_smallest/1, take_largest/1,
- iterator/1, next/1, map/2]).
+ iterator/1, iterator_from/2, next/1, map/2]).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -529,6 +533,29 @@ iterator({_, _, L, _} = T, As) ->
iterator(nil, As) ->
As.
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+-spec iterator_from(Key, Tree) -> Iter when
+ Tree :: tree(Key, Value),
+ Iter :: iter(Key, Value).
+
+iterator_from(S, {_, T}) ->
+ iterator_1_from(S, T).
+
+iterator_1_from(S, T) ->
+ iterator_from(S, T, []).
+
+iterator_from(S, {K, _, _, T}, As) when K < S ->
+ iterator_from(S, T, As);
+iterator_from(_, {_, _, nil, _} = T, As) ->
+ [T | As];
+iterator_from(S, {_, _, L, _} = T, As) ->
+ iterator_from(S, L, [T | As]);
+iterator_from(_, nil, As) ->
+ As.
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
-spec next(Iter1) -> 'none' | {Key, Value, Iter2} when
Iter1 :: iter(Key, Value),
Iter2 :: iter(Key, Value).
diff --git a/lib/stdlib/src/maps.erl b/lib/stdlib/src/maps.erl
index 3877c150ec..533ff08726 100644
--- a/lib/stdlib/src/maps.erl
+++ b/lib/stdlib/src/maps.erl
@@ -19,7 +19,8 @@
-module(maps).
--export([get/3,fold/3, map/2, size/1,
+-export([get/3,filter/2,fold/3, map/2,
+ size/1,
without/2, with/2]).
@@ -145,6 +146,19 @@ get(Key,Map,Default) ->
erlang:error({badmap,Map},[Key,Map,Default]).
+-spec filter(Pred,Map1) -> Map2 when
+ Pred :: fun((Key, Value) -> boolean()),
+ Key :: term(),
+ Value :: term(),
+ Map1 :: map(),
+ Map2 :: map().
+
+filter(Pred,Map) when is_function(Pred,2), is_map(Map) ->
+ maps:from_list([{K,V}||{K,V}<-maps:to_list(Map),Pred(K,V)]);
+filter(Pred,Map) ->
+ erlang:error(error_type(Map),[Pred,Map]).
+
+
-spec fold(Fun,Init,Map) -> Acc when
Fun :: fun((K, V, AccIn) -> AccOut),
Init :: term(),
@@ -169,10 +183,7 @@ fold(Fun,Init,Map) ->
V2 :: term().
map(Fun,Map) when is_function(Fun, 2), is_map(Map) ->
- maps:from_list(lists:map(fun
- ({K,V}) ->
- {K,Fun(K,V)}
- end,maps:to_list(Map)));
+ maps:from_list([{K,Fun(K,V)}||{K,V}<-maps:to_list(Map)]);
map(Fun,Map) ->
erlang:error(error_type(Map),[Fun,Map]).
diff --git a/lib/stdlib/src/otp_internal.erl b/lib/stdlib/src/otp_internal.erl
index 24721da187..0340015c35 100644
--- a/lib/stdlib/src/otp_internal.erl
+++ b/lib/stdlib/src/otp_internal.erl
@@ -631,6 +631,9 @@ obsolete_1(erl_lint, modify_line, 2) ->
obsolete_1(ssl, negotiated_next_protocol, 1) ->
{deprecated,{ssl,negotiated_protocol,1}};
+obsolete_1(ssl, connection_info, 1) ->
+ {deprecated, "deprecated; use connection_information/[1,2] instead"};
+
obsolete_1(_, _, _) ->
no.
diff --git a/lib/stdlib/test/dict_SUITE.erl b/lib/stdlib/test/dict_SUITE.erl
index 69814e12ce..ab624e8dd2 100644
--- a/lib/stdlib/test/dict_SUITE.erl
+++ b/lib/stdlib/test/dict_SUITE.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2008-2013. All Rights Reserved.
+%% Copyright Ericsson AB 2008-2015. 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
@@ -25,16 +25,16 @@
-export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1,
init_per_group/2,end_per_group/2,
init_per_testcase/2,end_per_testcase/2,
- create/1,store/1]).
+ create/1,store/1,iterate/1]).
-include_lib("test_server/include/test_server.hrl").
--import(lists, [foldl/3,reverse/1]).
+-import(lists, [foldl/3]).
suite() -> [{ct_hooks,[ts_install_cth]}].
all() ->
- [create, store].
+ [create, store, iterate].
groups() ->
[].
@@ -93,6 +93,48 @@ store_1(List, M) ->
D0.
%%%
+%%% Test specifics for gb_trees.
+%%%
+
+iterate(Config) when is_list(Config) ->
+ test_all(fun iterate_1/1).
+
+iterate_1(M) ->
+ case M(module, []) of
+ gb_trees -> iterate_2(M);
+ _ -> ok
+ end,
+ M(empty, []).
+
+iterate_2(M) ->
+ random:seed(1, 2, 42),
+ iter_tree(M, 1000).
+
+iter_tree(_M, 0) ->
+ ok;
+iter_tree(M, N) ->
+ L = [{I, I} || I <- lists:seq(1, N)],
+ T = M(from_list, L),
+ L = lists:reverse(iterate_tree(M, T)),
+ R = random:uniform(N),
+ KV = lists:reverse(iterate_tree_from(M, R, T)),
+ KV = [P || P={K,_} <- L, K >= R],
+ iter_tree(M, N-1).
+
+iterate_tree(M, Tree) ->
+ I = M(iterator, Tree),
+ iterate_tree_1(M, M(next, I), []).
+
+iterate_tree_from(M, Start, Tree) ->
+ I = M(iterator_from, {Start, Tree}),
+ iterate_tree_1(M, M(next, I), []).
+
+iterate_tree_1(_, none, R) ->
+ R;
+iterate_tree_1(M, {K, V, I}, R) ->
+ iterate_tree_1(M, M(next, I), [{K, V} | R]).
+
+%%%
%%% Helper functions.
%%%
diff --git a/lib/stdlib/test/dict_test_lib.erl b/lib/stdlib/test/dict_test_lib.erl
index 4fdb4fa0bd..81d26ce5f8 100644
--- a/lib/stdlib/test/dict_test_lib.erl
+++ b/lib/stdlib/test/dict_test_lib.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2008-2013. All Rights Reserved.
+%% Copyright Ericsson AB 2008-2015. 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
@@ -29,6 +29,9 @@ new(Mod, Eq) ->
(module, []) -> Mod;
(size, D) -> Mod:size(D);
(is_empty, D) -> Mod:is_empty(D);
+ (iterator, S) -> Mod:iterator(S);
+ (iterator_from, {Start, S}) -> Mod:iterator_from(Start, S);
+ (next, I) -> Mod:next(I);
(to_list, D) -> to_list(Mod, D)
end.
diff --git a/lib/stdlib/test/ets_SUITE.erl b/lib/stdlib/test/ets_SUITE.erl
index 5774d774b5..41bd4af241 100644
--- a/lib/stdlib/test/ets_SUITE.erl
+++ b/lib/stdlib/test/ets_SUITE.erl
@@ -3821,46 +3821,99 @@ match_object(Config) when is_list(Config) ->
repeat_for_opts(match_object_do).
match_object_do(Opts) ->
- ?line EtsMem = etsmem(),
- ?line Tab = ets_new(foobar, Opts),
- ?line fill_tab(Tab, foo),
- ?line ets:insert(Tab, {{one, 4}, 4}),
- ?line ets:insert(Tab,{{one,5},5}),
- ?line ets:insert(Tab,{{two,4},4}),
- ?line ets:insert(Tab,{{two,5},6}),
- ?line ets:insert(Tab, {#{camembert=>cabécou},7}),
- ?line case ets:match_object(Tab, {{one, '_'}, '$0'}) of
+ EtsMem = etsmem(),
+ Tab = ets_new(foobar, Opts),
+ fill_tab(Tab, foo),
+ ets:insert(Tab,{{one,4},4}),
+ ets:insert(Tab,{{one,5},5}),
+ ets:insert(Tab,{{two,4},4}),
+ ets:insert(Tab,{{two,5},6}),
+ ets:insert(Tab, {#{camembert=>cabécou},7}),
+ ets:insert(Tab, {#{"hi"=>"hello","wazzup"=>"awesome","1337"=>"42"},8}),
+ ets:insert(Tab, {#{"hi"=>"hello",#{"wazzup"=>3}=>"awesome","1337"=>"42"},9}),
+ ets:insert(Tab, {#{"hi"=>"hello","wazzup"=>#{"awesome"=>3},"1337"=>"42"},10}),
+ Is = lists:seq(1,100),
+ M1 = maps:from_list([{I,I}||I <- Is]),
+ M2 = maps:from_list([{I,"hi"}||I <- Is]),
+ ets:insert(Tab, {M1,11}),
+ ets:insert(Tab, {M2,12}),
+
+ case ets:match_object(Tab, {{one, '_'}, '$0'}) of
[{{one,5},5},{{one,4},4}] -> ok;
[{{one,4},4},{{one,5},5}] -> ok;
_ -> ?t:fail("ets:match_object() returned something funny.")
end,
- ?line case ets:match_object(Tab, {{two, '$1'}, '$0'}) of
+ case ets:match_object(Tab, {{two, '$1'}, '$0'}) of
[{{two,5},6},{{two,4},4}] -> ok;
[{{two,4},4},{{two,5},6}] -> ok;
_ -> ?t:fail("ets:match_object() returned something funny.")
end,
- ?line case ets:match_object(Tab, {{two, '$9'}, '$4'}) of
+ case ets:match_object(Tab, {{two, '$9'}, '$4'}) of
[{{two,5},6},{{two,4},4}] -> ok;
[{{two,4},4},{{two,5},6}] -> ok;
_ -> ?t:fail("ets:match_object() returned something funny.")
end,
- ?line case ets:match_object(Tab, {{two, '$9'}, '$22'}) of
+ case ets:match_object(Tab, {{two, '$9'}, '$22'}) of
[{{two,5},6},{{two,4},4}] -> ok;
[{{two,4},4},{{two,5},6}] -> ok;
_ -> ?t:fail("ets:match_object() returned something funny.")
end,
+
% Check that maps are inspected for variables.
- [{#{camembert:=cabécou},7}] =
- ets:match_object(Tab, {#{camembert=>'_'},7}),
+ [{#{camembert:=cabécou},7}] = ets:match_object(Tab, {#{camembert=>'_'},7}),
+
+ [{#{"hi":="hello",#{"wazzup"=>3}:="awesome","1337":="42"},9}] =
+ ets:match_object(Tab, {#{#{"wazzup"=>3}=>"awesome","hi"=>"hello","1337"=>"42"},9}),
+ [{#{"hi":="hello",#{"wazzup"=>3}:="awesome","1337":="42"},9}] =
+ ets:match_object(Tab, {#{#{"wazzup"=>3}=>"awesome","hi"=>"hello","1337"=>'_'},'_'}),
+ [{#{"hi":="hello","wazzup":=#{"awesome":=3},"1337":="42"},10}] =
+ ets:match_object(Tab, {#{"wazzup"=>'_',"hi"=>'_',"1337"=>'_'},10}),
+
+ %% multiple patterns
+ Pat = {{#{#{"wazzup"=>3}=>"awesome","hi"=>"hello","1337"=>'_'},'$1'},[{is_integer,'$1'}],['$_']},
+ [{#{"hi":="hello",#{"wazzup"=>3}:="awesome","1337":="42"},9}] =
+ ets:select(Tab, [Pat,Pat,Pat,Pat]),
+ case ets:match_object(Tab, {#{"hi"=>"hello","wazzup"=>'_',"1337"=>"42"},'_'}) of
+ [{#{"1337" := "42","hi" := "hello","wazzup" := "awesome"},8},
+ {#{"1337" := "42","hi" := "hello","wazzup" := #{"awesome" := 3}},10}] -> ok;
+ [{#{"1337" := "42","hi" := "hello","wazzup" := #{"awesome" := 3}},10},
+ {#{"1337" := "42","hi" := "hello","wazzup" := "awesome"},8}] -> ok;
+ _ -> ?t:fail("ets:match_object() returned something funny.")
+ end,
+ case ets:match_object(Tab, {#{"hi"=>'_'},'_'}) of
+ [{#{"1337":="42", "hi":="hello"},_},
+ {#{"1337":="42", "hi":="hello"},_},
+ {#{"1337":="42", "hi":="hello"},_}] -> ok;
+ _ -> ?t:fail("ets:match_object() returned something funny.")
+ end,
+
+ %% match large maps
+ [{#{1:=1,2:=2,99:=99,100:=100},11}] = ets:match_object(Tab, {M1,11}),
+ [{#{1:="hi",2:="hi",99:="hi",100:="hi"},12}] = ets:match_object(Tab, {M2,12}),
+ case ets:match_object(Tab, {#{1=>'_',2=>'_'},'_'}) of
+ %% only match a part of the map
+ [{#{1:=1,5:=5,99:=99,100:=100},11},{#{1:="hi",6:="hi",99:="hi"},12}] -> ok;
+ [{#{1:="hi",2:="hi",59:="hi"},12},{#{1:=1,2:=2,39:=39,100:=100},11}] -> ok;
+ _ -> ?t:fail("ets:match_object() returned something funny.")
+ end,
+ case ets:match_object(Tab, {maps:from_list([{I,'_'}||I<-Is]),'_'}) of
+ %% only match a part of the map
+ [{#{1:=1,5:=5,99:=99,100:=100},11},{#{1:="hi",6:="hi",99:="hi"},12}] -> ok;
+ [{#{1:="hi",2:="hi",59:="hi"},12},{#{1:=1,2:=2,39:=39,100:=100},11}] -> ok;
+ _ -> ?t:fail("ets:match_object() returned something funny.")
+ end,
{'EXIT',{badarg,_}} = (catch ets:match_object(Tab, {#{'$1'=>'_'},7})),
- % Check that unsucessful match returns an empty list.
- ?line [] = ets:match_object(Tab, {{three,'$0'}, '$92'}),
+ Mve = maps:from_list([{list_to_atom([$$|integer_to_list(I)]),'_'}||I<-Is]),
+ {'EXIT',{badarg,_}} = (catch ets:match_object(Tab, {Mve,11})),
+
+ % Check that unsuccessful match returns an empty list.
+ [] = ets:match_object(Tab, {{three,'$0'}, '$92'}),
% Check that '$0' equals '_'.
Len = length(ets:match_object(Tab, '$0')),
Len = length(ets:match_object(Tab, '_')),
- ?line if Len > 4 -> ok end,
- ?line true = ets:delete(Tab),
- ?line verify_etsmem(EtsMem).
+ if Len > 4 -> ok end,
+ true = ets:delete(Tab),
+ verify_etsmem(EtsMem).
match_object2(suite) -> [];
match_object2(doc) -> ["Tests that db_match_object does not generate "
diff --git a/lib/stdlib/test/maps_SUITE.erl b/lib/stdlib/test/maps_SUITE.erl
index 1d9c041a74..21e146ae3d 100644
--- a/lib/stdlib/test/maps_SUITE.erl
+++ b/lib/stdlib/test/maps_SUITE.erl
@@ -34,7 +34,7 @@
-export([init_per_testcase/2]).
-export([end_per_testcase/2]).
--export([t_get_3/1,
+-export([t_get_3/1, t_filter_2/1,
t_fold_3/1,t_map_2/1,t_size_1/1,
t_with_2/1,t_without_2/1]).
@@ -45,7 +45,7 @@ suite() ->
[{ct_hooks, [ts_install_cth]}].
all() ->
- [t_get_3,
+ [t_get_3,t_filter_2,
t_fold_3,t_map_2,t_size_1,
t_with_2,t_without_2].
@@ -99,6 +99,16 @@ t_with_2(_Config) ->
?badarg(with,[a,#{}]) = (catch maps:with(a,#{})),
ok.
+t_filter_2(Config) when is_list(Config) ->
+ M = #{a => 2, b => 3, c=> 4, "a" => 1, "b" => 2, "c" => 4},
+ Pred1 = fun(K,V) -> is_atom(K) andalso (V rem 2) =:= 0 end,
+ Pred2 = fun(K,V) -> is_list(K) andalso (V rem 2) =:= 0 end,
+ #{a := 2,c := 4} = maps:filter(Pred1,M),
+ #{"b" := 2,"c" := 4} = maps:filter(Pred2,M),
+ %% error case
+ ?badmap(a,filter,[_,a]) = (catch maps:filter(fun(_,_) -> ok end,id(a))),
+ ?badarg(filter,[<<>>,#{}]) = (catch maps:filter(id(<<>>),#{})),
+ ok.
t_fold_3(Config) when is_list(Config) ->
Vs = lists:seq(1,200),
diff --git a/lib/stdlib/test/sets_SUITE.erl b/lib/stdlib/test/sets_SUITE.erl
index c0cf1fc7e8..24f5d65f82 100644
--- a/lib/stdlib/test/sets_SUITE.erl
+++ b/lib/stdlib/test/sets_SUITE.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2004-2013. All Rights Reserved.
+%% Copyright Ericsson AB 2004-2015. 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
@@ -28,7 +28,7 @@
create/1,add_element/1,del_element/1,
subtract/1,intersection/1,union/1,is_subset/1,
is_set/1,fold/1,filter/1,
- take_smallest/1,take_largest/1]).
+ take_smallest/1,take_largest/1, iterate/1]).
-include_lib("test_server/include/test_server.hrl").
@@ -48,7 +48,7 @@ suite() -> [{ct_hooks,[ts_install_cth]}].
all() ->
[create, add_element, del_element, subtract,
intersection, union, is_subset, is_set, fold, filter,
- take_smallest, take_largest].
+ take_smallest, take_largest, iterate].
groups() ->
[].
@@ -426,6 +426,44 @@ take_largest_3(S0, List0, M) ->
take_largest_3(S, List, M)
end.
+iterate(Config) when is_list(Config) ->
+ test_all(fun iterate_1/1).
+
+iterate_1(M) ->
+ case M(module, []) of
+ gb_sets -> iterate_2(M);
+ _ -> ok
+ end,
+ M(empty, []).
+
+iterate_2(M) ->
+ random:seed(1, 2, 42),
+ iter_set(M, 1000).
+
+iter_set(_M, 0) ->
+ ok;
+iter_set(M, N) ->
+ L = [I || I <- lists:seq(1, N)],
+ T = M(from_list, L),
+ L = lists:reverse(iterate_set(M, T)),
+ R = random:uniform(N),
+ S = lists:reverse(iterate_set(M, R, T)),
+ S = [E || E <- L, E >= R],
+ iter_set(M, N-1).
+
+iterate_set(M, Set) ->
+ I = M(iterator, Set),
+ iterate_set_1(M, M(next, I), []).
+
+iterate_set(M, Start, Set) ->
+ I = M(iterator_from, {Start, Set}),
+ iterate_set_1(M, M(next, I), []).
+
+iterate_set_1(_, none, R) ->
+ R;
+iterate_set_1(M, {E, I}, R) ->
+ iterate_set_1(M, M(next, I), [E | R]).
+
%%%
%%% Helper functions.
%%%
diff --git a/lib/stdlib/test/sets_test_lib.erl b/lib/stdlib/test/sets_test_lib.erl
index 86f009a8f9..772139406d 100644
--- a/lib/stdlib/test/sets_test_lib.erl
+++ b/lib/stdlib/test/sets_test_lib.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2004-2013. All Rights Reserved.
+%% Copyright Ericsson AB 2004-2015. 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
@@ -34,7 +34,10 @@ new(Mod, Eq) ->
(is_empty, S) -> is_empty(Mod, S);
(is_set, S) -> Mod:is_set(S);
(is_subset, {S,Set}) -> is_subset(Mod, Eq, S, Set);
+ (iterator, S) -> Mod:iterator(S);
+ (iterator_from, {Start, S}) -> Mod:iterator_from(Start, S);
(module, []) -> Mod;
+ (next, I) -> Mod:next(I);
(singleton, E) -> singleton(Mod, E);
(size, S) -> Mod:size(S);
(subtract, {S1,S2}) -> subtract(Mod, S1, S2);