%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2011-2016. All Rights Reserved.
%%
%% 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(smoke_test_SUITE).
-include_lib("common_test/include/ct.hrl").
%-compile(export_all).
-export([all/0, suite/0,
init_per_testcase/2, end_per_testcase/2]).
-export([boot_combo/1, native_atomics/1, jump_table/1]).
suite() ->
[{ct_hooks,[ts_install_cth]},
{timetrap, {minutes, 2}}].
all() ->
[boot_combo, native_atomics, jump_table].
init_per_testcase(boot_combo = Case, Config) when is_list(Config) ->
case erlang:system_info(build_type) of
opt ->
init_per_tc(Case, Config);
_ ->
{skip,"Cannot test boot_combo in special builds since beam.* may not exist"}
end;
init_per_testcase(Case, Config) when is_list(Config) ->
init_per_tc(Case, Config).
init_per_tc(Case, Config) ->
[{testcase, Case}|Config].
end_per_testcase(_Case, Config) when is_list(Config) ->
ok.
%%%
%%% The test cases -------------------------------------------------------------
%%%
boot_combo(Config) when is_list(Config) ->
ZFlags = os:getenv("ERL_ZFLAGS"),
NOOP = fun () -> ok end,
A42 = fun () ->
case erlang:system_info(threads) of
true ->
42 = erlang:system_info(thread_pool_size);
false ->
ok
end
end,
SMPDisable = fun () -> false = erlang:system_info(smp_support) end,
try
chk_boot(Config, "+Ktrue", NOOP),
chk_boot(Config, "+A42", A42),
chk_boot(Config, "-smp disable", SMPDisable),
chk_boot(Config, "+Ktrue +A42", A42),
chk_boot(Config, "-smp disable +A42",
fun () -> SMPDisable(), A42() end),
chk_boot(Config, "-smp disable +Ktrue", SMPDisable),
chk_boot(Config, "-smp disable +Ktrue +A42",
fun () -> SMPDisable(), A42() end),
%% A lot more combos could be implemented...
ok
after
os:putenv("ERL_ZFLAGS", case ZFlags of
false -> "";
_ -> ZFlags
end)
end.
native_atomics(Config) when is_list(Config) ->
NA32Key = "32-bit native atomics",
NA64Key = "64-bit native atomics",
DWNAKey = "Double word native atomics",
EthreadInfo = erlang:system_info(ethread_info),
io:format("~p~n", [EthreadInfo]),
{value,{NA32Key, NA32, _}} = lists:keysearch(NA32Key, 1, EthreadInfo),
{value,{NA64Key, NA64, _}} = lists:keysearch(NA64Key, 1, EthreadInfo),
{value,{DWNAKey, DWNA, _}} = lists:keysearch(DWNAKey, 1, EthreadInfo),
case {erlang:system_info(build_type), erlang:system_info(smp_support), NA32, NA64, DWNA} of
{opt, true, "no", "no", _} ->
ct:fail(optimized_smp_runtime_without_native_atomics);
{_, false, "no", "no", _} ->
{comment, "No native atomics"};
_ ->
{comment,
NA32 ++ " 32-bit, "
++ NA64 ++ " 64-bit, and "
++ DWNA ++ " double word native atomics"}
end.
jump_table(Config) when is_list(Config) ->
case erlang:system_info(beam_jump_table) of
true ->
ok;
false ->
case erlang:system_info(build_type) of
opt ->
ct:fail(optimized_without_beam_jump_table);
BT ->
{comment, "No beam jump table, but build type is " ++ atom_to_list(BT)}
end
end.
%%%
%%% Aux functions --------------------------------------------------------------
%%%
chk_boot(Config, Args, Fun) ->
true = os:putenv("ERL_ZFLAGS", Args),
Success = make_ref(),
Parent = self(),
io:format("--- Testing ~s~n", [Args]),
{ok, Node} = start_node(Config),
Pid = spawn_link(Node, fun () ->
Fun(),
Parent ! {self(), Success}
end),
receive
{Pid, Success} ->
Node = node(Pid),
stop_node(Node),
io:format("--- Success!~n", []),
ok
end.
start_node(Config) ->
start_node(Config, "").
start_node(Config, Args) when is_list(Config) ->
Pa = filename:dirname(code:which(?MODULE)),
Name = list_to_atom(atom_to_list(?MODULE)
++ "-"
++ atom_to_list(proplists:get_value(testcase, Config))
++ "-"
++ integer_to_list(erlang:system_time(second))
++ "-"
++ integer_to_list(erlang:unique_integer([positive]))),
Opts = [{args, "-pa "++Pa++" "++Args}],
test_server:start_node(Name, slave, Opts).
stop_node(Node) ->
test_server:stop_node(Node).
