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%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2008-2011. 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%
%%
%% This module tests the ordsets, sets, and gb_sets modules.
%%
-module(dict_SUITE).
-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]).
-include_lib("test_server/include/test_server.hrl").
-import(lists, [foldl/3,reverse/1]).
suite() -> [{ct_hooks,[ts_install_cth]}].
all() ->
[create, store].
groups() ->
[].
init_per_suite(Config) ->
Config.
end_per_suite(_Config) ->
ok.
init_per_group(_GroupName, Config) ->
Config.
end_per_group(_GroupName, Config) ->
Config.
init_per_testcase(_Case, Config) ->
?line Dog = ?t:timetrap(?t:minutes(5)),
[{watchdog,Dog}|Config].
end_per_testcase(_Case, Config) ->
Dog = ?config(watchdog, Config),
test_server:timetrap_cancel(Dog),
ok.
create(Config) when is_list(Config) ->
test_all(fun create_1/1).
create_1(M) ->
?line D0 = M:empty(),
?line [] = M:to_list(D0),
?line 0 = M:size(D0),
D0.
store(Config) when is_list(Config) ->
test_all([{0,132},{253,258},{510,514}], fun store_1/2).
store_1(List, M) ->
?line D0 = M:from_list(List),
%% Make sure that we get the same result by inserting
%% elements one at the time.
?line D1 = foldl(fun({K,V}, Dict) -> M:enter(K, V, Dict) end,
M:empty(), List),
?line true = M:equal(D0, D1),
D0.
%%%
%%% Helper functions.
%%%
dict_mods() ->
Orddict = dict_test_lib:new(orddict, fun(X, Y) -> X == Y end),
Dict = dict_test_lib:new(dict, fun(X, Y) ->
lists:sort(dict:to_list(X)) ==
lists:sort(dict:to_list(Y)) end),
Gb = dict_test_lib:new(gb_trees, fun(X, Y) ->
gb_trees:to_list(X) ==
gb_trees:to_list(Y) end),
[Orddict,Dict,Gb].
test_all(Tester) ->
?line Pids = [spawn_tester(M, Tester) || M <- dict_mods()],
collect_all(Pids, []).
spawn_tester(M, Tester) ->
Parent = self(),
spawn_link(fun() ->
random:seed(1, 2, 42),
S = Tester(M),
Res = {M:size(S),lists:sort(M:to_list(S))},
Parent ! {result,self(),Res}
end).
collect_all([Pid|Pids], Acc) ->
receive
{result,Pid,Result} ->
collect_all(Pids, [Result|Acc])
end;
collect_all([], Acc) ->
all_same(Acc).
test_all(ListTemplate, Tester) ->
List = random_list(ListTemplate),
test_all(fun(M) -> Tester(List, M) end).
all_same([H|T]) ->
all_same_1(T, H).
all_same_1([H|T], H) ->
all_same_1(T, H);
all_same_1([], _) -> ok.
rnd_list(Sz) ->
rnd_list_1(Sz, []).
random_list([{Low,High}|T]) ->
random_list(lists:seq(Low, High)++T);
random_list([Sz|T]) when is_integer(Sz) ->
rnd_list(Sz)++random_list(T);
random_list([]) -> [].
rnd_list_1(0, Acc) ->
Acc;
rnd_list_1(N, Acc) ->
Key = atomic_rnd_term(),
Value = random:uniform(100),
rnd_list_1(N-1, [{Key,Value}|Acc]).
atomic_rnd_term() ->
case random:uniform(3) of
1 -> list_to_atom(integer_to_list($\s+random:uniform(94))++"rnd");
2 -> random:uniform();
3 -> random:uniform(50)-37
end.
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