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authorBjörn-Egil Dahlberg <[email protected]>2010-12-29 17:59:41 +0100
committerBjörn-Egil Dahlberg <[email protected]>2010-12-29 17:59:46 +0100
commitdb945cc0cb32457903854d9b4b1c00af3d68cde6 (patch)
tree3047df07479ff5c675fd258ba008e203c33b3110 /lib/percept/test
parenta80e777da60fe15b30e73ebbe37bb2b5c145b91c (diff)
parent638a610d0b7ada7b2099b6127410aafb9fae3313 (diff)
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Merge branch 'ao/percept-race-cond' into dev
* ao/percept-race-cond: Fixes a race condition found in percept_db start/1 function. OTP-9012
Diffstat (limited to 'lib/percept/test')
-rw-r--r--lib/percept/test/percept_db_SUITE.erl76
1 files changed, 76 insertions, 0 deletions
diff --git a/lib/percept/test/percept_db_SUITE.erl b/lib/percept/test/percept_db_SUITE.erl
new file mode 100644
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--- /dev/null
+++ b/lib/percept/test/percept_db_SUITE.erl
@@ -0,0 +1,76 @@
+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2007-2010. 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(percept_db_SUITE).
+-include("test_server.hrl").
+
+%% Test server specific exports
+-export([all/1]).
+-export([init_per_suite/1, end_per_suite/1]).
+-export([init_per_testcase/2, end_per_testcase/2]).
+
+%% Test cases
+-export([
+ start/1
+ ]).
+
+%% Default timetrap timeout (set in init_per_testcase)
+-define(default_timeout, ?t:minutes(2)).
+-define(restarts, 10).
+-define(alive_timeout, 500).
+
+init_per_suite(Config) when is_list(Config) ->
+ Config.
+
+end_per_suite(Config) when is_list(Config) ->
+ Config.
+
+init_per_testcase(_Case, Config) ->
+ Dog = ?t:timetrap(?default_timeout),
+ [{max_size, 300}, {watchdog,Dog} | Config].
+
+end_per_testcase(_Case, Config) ->
+ Dog = ?config(watchdog, Config),
+ ?t:timetrap_cancel(Dog),
+ ok.
+
+all(suite) ->
+ % Test cases
+ [start].
+
+%%----------------------------------------------------------------------
+%% Tests
+%%----------------------------------------------------------------------
+
+start(suite) ->
+ [];
+start(doc) ->
+ ["Percept_db start and restart test."];
+start(Config) when is_list(Config) ->
+ ok = restart(?restarts),
+ {stopped, _DB} = percept_db:stop(),
+ ok.
+
+restart(0)->
+ ok;
+restart(N)->
+ {_, DB} = percept_db:start(),
+ timer:sleep(?alive_timeout),
+ true = erlang:is_process_alive(DB),
+ restart(N-1).