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%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2010-2011. 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%
%%
%%
%% Tests of the server implemented by diameter_stats.erl.
%%
-module(diameter_stats_SUITE).
-export([suite/0,
all/0,
groups/0,
init_per_suite/1,
end_per_suite/1]).
%% testcases
-export([an/1,
twa/1]).
-define(stat, diameter_stats).
-define(util, diameter_util).
%% ===========================================================================
suite() ->
[{timetrap, {seconds, 10}}].
all() ->
[{group, all} | tc()].
groups() ->
[{all, [parallel], tc()}].
tc() ->
[an,
twa].
init_per_suite(Config) ->
ok = diameter:start(),
Config.
end_per_suite(_Config) ->
ok = diameter:stop().
%% ===========================================================================
an(_) ->
Ref = {'_', make_ref()},
true = ?stat:reg(Ref),
true = ?stat:reg(Ref), %% duplicate
ok = ?stat:incr(x),
ok = ?stat:incr(x, Ref),
ok = ?stat:incr(y, 2),
ok = ?stat:incr(y, Ref),
%% Flushing a pid flushes even stats on the registered reference.
[{x,2},{y,3}] = lists:sort(?stat:flush()),
[] = ?stat:flush(Ref),
[] = ?stat:flush().
twa(_) ->
Ref = make_ref(),
ok = ?stat:incr(x, 8),
ok = ?stat:incr(x, Ref, 7),
%% Flushing a reference doesn't affect registered pids.
[{x,7}] = ?stat:flush(Ref),
[] = ?stat:flush(Ref),
[{x,8}] = ?stat:flush(),
[] = ?stat:flush().
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