diff options
Diffstat (limited to 'erts/emulator/test/ref_SUITE.erl')
| -rw-r--r-- | erts/emulator/test/ref_SUITE.erl | 102 |
1 files changed, 52 insertions, 50 deletions
diff --git a/erts/emulator/test/ref_SUITE.erl b/erts/emulator/test/ref_SUITE.erl index e13dfa1575..74df857c65 100644 --- a/erts/emulator/test/ref_SUITE.erl +++ b/erts/emulator/test/ref_SUITE.erl @@ -1,72 +1,49 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1999-2011. All Rights Reserved. +%% Copyright Ericsson AB 1999-2016. 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. +%% Licensed under the Apache License, Version 2.0 (the "License"); +%% you may not use this file except in compliance with the License. +%% You may obtain a copy of the License at +%% +%% http://www.apache.org/licenses/LICENSE-2.0 +%% +%% Unless required by applicable law or agreed to in writing, software +%% distributed under the License is distributed on an "AS IS" BASIS, +%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +%% See the License for the specific language governing permissions and +%% limitations under the License. %% %% %CopyrightEnd% %% -module(ref_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]). +-export([all/0, suite/0]). -export([wrap_1/1]). +-export([compare_list/1, compare_ets/1]). -export([loop_ref/1]). --include_lib("test_server/include/test_server.hrl"). +-include_lib("common_test/include/ct.hrl"). -init_per_testcase(_, Config) -> - ?line Dog=test_server:timetrap(test_server:minutes(2)), - [{watchdog, Dog}|Config]. - -end_per_testcase(_, Config) -> - Dog=?config(watchdog, Config), - test_server:timetrap_cancel(Dog), - ok. - -suite() -> [{ct_hooks,[ts_install_cth]}]. +suite() -> + [{ct_hooks,[ts_install_cth]}, + {timetrap, {minutes, 2}}]. all() -> - [wrap_1]. - -groups() -> - []. - -init_per_suite(Config) -> - Config. - -end_per_suite(_Config) -> - ok. - -init_per_group(_GroupName, Config) -> - Config. - -end_per_group(_GroupName, Config) -> - Config. + [wrap_1, compare_list, compare_ets]. - -wrap_1(doc) -> "Check that refs don't wrap around easily."; +%% Check that refs don't wrap around easily. wrap_1(Config) when is_list(Config) -> - ?line spawn_link(?MODULE, loop_ref, [self()]), - ?line receive - done -> - test_server:fail(wrapfast) - after 30000 -> - ok - end, + spawn_link(?MODULE, loop_ref, [self()]), + receive + done -> + ct:fail(wrapfast) + after 30000 -> + ok + end, ok. loop_ref(Parent) -> @@ -77,3 +54,28 @@ loop_ref(Parent) -> loop_ref(R, R, _) -> ok; loop_ref(R0, _, N) -> loop_ref(R0, make_ref(), N+1). + +%% Check that ref ordering works +compare_list(Config) when is_list(Config) -> + %% Although this test uses external refs, it would apply the same to plain refs + ExtRef1 = <<131,114,0,3,100,0,3,110,64,98,3, 0,0,173,156, 0,216,0,4, 0,0,0,0>>, + ExtRef2 = <<131,114,0,3,100,0,3,110,64,98,3, 0,1,31,27, 129,4,0,1, 0,0,0,0>>, + + Ref1 = binary_to_term(ExtRef1), %% #Ref<[email protected]> + Ref2 = binary_to_term(ExtRef2), %% #Ref<[email protected]> + OrderedList = [Ref1, Ref2], + OrderedList = lists:sort(OrderedList), + ok. + +%% This is the scarier case since it makes terms "invisible" in ets or Mnesia +%% (the underlying fault cause is the same as compare_list/1) +compare_ets(Config) when is_list(Config) -> + W2s = [610350147,899574699,2994196869,686384822,2397690439, 923302211], + ExtRefBase = <<131,114,0,3,100,0,3,110,64,98,3>>, + ExtRefs = [<<ExtRefBase/binary, 1:32, W2:32, 0:32>> || W2 <- W2s], + Refs = [binary_to_term(Bin) || Bin <- ExtRefs], + + Ets = ets:new(refbug, [ordered_set]), + ets:insert(Ets, [{Ref,Ref} || Ref <- Refs]), + 0 = length([R || R <- ets:tab2list(Ets), ets:lookup(Ets, element(1,R)) == []]), + ok. |