%% %% %CopyrightBegin% %% %% Copyright Ericsson AB 1998-2016. 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(bif_SUITE). -export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1, init_per_group/2,end_per_group/2]). -export([ spawn1/1, spawn2/1, spawn3/1, spawn4/1, spawn_link1/1, spawn_link2/1, spawn_link3/1, spawn_link4/1, spawn_opt2/1, spawn_opt3/1, spawn_opt4/1, spawn_opt5/1, spawn_failures/1, run_fun/1, decode_packet_delim/1, wilderness/1]). -export([init_per_testcase/2, end_per_testcase/2]). -include_lib("common_test/include/ct.hrl"). init_per_testcase(_Case, Config) -> Config. end_per_testcase(_Case, _Config) -> ok. suite() -> [{ct_hooks,[ts_install_cth]}, {timetrap,{minutes,1}}]. all() -> [{group, spawn_tests}, {group, spawn_link_tests}, {group, spawn_opt_tests}, spawn_failures, wilderness]. groups() -> [{spawn_tests, [], [spawn1, spawn2, spawn3, spawn4]}, {spawn_link_tests, [], [spawn_link1, spawn_link2, spawn_link3, spawn_link4]}, {spawn_opt_tests, [], [spawn_opt2, spawn_opt3, spawn_opt4, spawn_opt5]}]. init_per_suite(Config) -> Config. end_per_suite(_Config) -> ok. init_per_group(_GroupName, Config) -> Config. end_per_group(_GroupName, Config) -> Config. %% Test spawn/1. spawn1(Config) when is_list(Config) -> Node = node(), Parent = self(), {_, _, FA, _} = fetch_proc_vals(self()), %% spawn P = spawn(fun() -> Parent ! {self(), fetch_proc_vals(self())} end), receive {P, PV} -> Node = node(P), check_proc_vals(false, normal, FA, 0, PV) end, ok. %% Test spawn/2. spawn2(Config) when is_list(Config) -> {ok, Node} = start_node(spawn2), Parent = self(), {_, _, FA, _} = fetch_proc_vals(self()), %% spawn_link P = spawn(Node, fun() -> Parent ! {self(), fetch_proc_vals(self())} end), receive {P, PV} -> Node = node(P), check_proc_vals(false, normal, FA, 0, PV) end, true = stop_node(Node), ok. %% Test spawn/3. spawn3(Config) when is_list(Config) -> Node = node(), Parent = self(), {_, _, FA, _} = fetch_proc_vals(self()), %% spawn_link P = spawn(?MODULE, run_fun, [fun() -> Parent ! {self(), fetch_proc_vals(self())} end]), receive {P, PV} -> Node = node(P), check_proc_vals(false, normal, FA, 0, PV) end, ok. %% Test spawn/4. spawn4(Config) when is_list(Config) -> {ok, Node} = start_node(spawn4), Parent = self(), {_, _, FA, _} = fetch_proc_vals(self()), %% spawn_link P = spawn(Node, ?MODULE, run_fun, [fun() -> Parent ! {self(), fetch_proc_vals(self())} end]), receive {P, PV} -> Node = node(P), check_proc_vals(false, normal, FA, 0, PV) end, true = stop_node(Node), ok. %% Test spawn_link/1. spawn_link1(Config) when is_list(Config) -> Node = node(), Parent = self(), {_, _, FA, _} = fetch_proc_vals(self()), %% spawn_link P = spawn_link(fun() -> Parent ! {self(), fetch_proc_vals(self())} end), receive {P, PV} -> Node = node(P), check_proc_vals(true, normal, FA, 0, PV) end, ok. %% Test spawn_link/2. spawn_link2(Config) when is_list(Config) -> {ok, Node} = start_node(spawn_link2), Parent = self(), {_, _, FA, _} = fetch_proc_vals(self()), %% spawn_link P = spawn_link(Node, fun() -> Parent ! {self(), fetch_proc_vals(self())} end), receive {P, PV} -> Node = node(P), check_proc_vals(true, normal, FA, 0, PV) end, true = stop_node(Node), ok. %% Test spawn_link/3. spawn_link3(Config) when is_list(Config) -> Node = node(), Parent = self(), {_, _, FA, _} = fetch_proc_vals(self()), %% spawn_link P = spawn_link(?MODULE, run_fun, [fun() -> Parent ! {self(), fetch_proc_vals(self())} end]), receive {P, PV} -> Node = node(P), check_proc_vals(true, normal, FA, 0, PV) end, ok. %% Test spawn_link/4. spawn_link4(Config) when is_list(Config) -> {ok, Node} = start_node(spawn_link4), Parent = self(), {_, _, FA, _} = fetch_proc_vals(self()), %% spawn_link P = spawn_link(Node, ?MODULE, run_fun, [fun() -> Parent ! {self(), fetch_proc_vals(self())} end]), receive {P, PV} -> Node = node(P), check_proc_vals(true, normal, FA, 0, PV) end, true = stop_node(Node), ok. %% Test spawn_opt/2. spawn_opt2(Config) when is_list(Config) -> Node = node(), Parent = self(), {_, _, FA, _} = fetch_proc_vals(self()), P1 = spawn_opt(fun() -> Parent ! {self(), fetch_proc_vals(self())} end, [{fullsweep_after, 0},{min_heap_size, 1000}, link, {priority, max}]), receive {P1, PV1} -> Node = node(P1), check_proc_vals(true, max, 0, 1000, PV1) end, P2 = spawn_opt(fun() -> Parent ! {self(), fetch_proc_vals(self())} end, [{min_heap_size, 10}]), receive {P2, PV2} -> Node = node(P2), check_proc_vals(false, normal, FA, 10, PV2) end, ok. %% Test spawn_opt/3. spawn_opt3(Config) when is_list(Config) -> {ok, Node} = start_node(spawn_opt3), Parent = self(), {_, _, FA, _} = fetch_proc_vals(self()), P1 = spawn_opt(Node, fun() -> Parent ! {self(), fetch_proc_vals(self())} end, [{fullsweep_after,0}, {min_heap_size,1000}, link, {priority, max}]), receive {P1, PV1} -> Node = node(P1), check_proc_vals(true, max, 0, 1000, PV1) end, P2 = spawn_opt(Node, fun() -> Parent ! {self(), fetch_proc_vals(self())} end, [{min_heap_size, 10}]), receive {P2, PV2} -> Node = node(P2), check_proc_vals(false, normal, FA, 10, PV2) end, true = stop_node(Node), ok. %% Test spawn_opt/4. spawn_opt4(Config) when is_list(Config) -> Node = node(), Parent = self(), {_, _, FA, _} = fetch_proc_vals(self()), P1 = spawn_opt(?MODULE, run_fun, [fun() -> Parent ! {self(), fetch_proc_vals(self())} end], [{fullsweep_after,0}, {min_heap_size,1000}, link, {priority, max}]), receive {P1, PV1} -> Node = node(P1), check_proc_vals(true, max, 0, 1000, PV1) end, P2 = spawn_opt(?MODULE, run_fun, [fun() -> Parent ! {self(), fetch_proc_vals(self())} end], [{min_heap_size, 10}]), receive {P2, PV2} -> Node = node(P2), check_proc_vals(false, normal, FA, 10, PV2) end, ok. %% Test spawn_opt/5. spawn_opt5(Config) when is_list(Config) -> {ok, Node} = start_node(spawn_opt5), Parent = self(), {_, _, FA, _} = fetch_proc_vals(self()), P1 = spawn_opt(Node, ?MODULE, run_fun, [fun() -> Parent ! {self(), fetch_proc_vals(self())} end], [{fullsweep_after,0}, {min_heap_size,1000}, link, {priority, max}]), receive {P1, PV1} -> Node = node(P1), check_proc_vals(true, max, 0, 1000, PV1) end, P2 = spawn_opt(Node, ?MODULE, run_fun, [fun() -> Parent ! {self(), fetch_proc_vals(self())} end], [{min_heap_size, 10}]), receive {P2, PV2} -> Node = node(P2), check_proc_vals(false, normal, FA, 10, PV2) end, true = stop_node(Node), ok. %% Test failure behavior of spawn bifs. spawn_failures(Config) when is_list(Config) -> ThisNode = node(), {ok, Node} = start_node(spawn_remote_failure), %% unknown nodes io:format("Testing unknown nodes~n", []), CrashPid1 = (catch spawn_opt('unknown@node', erlang, nodes, [], [])), true = is_pid(CrashPid1), ThisNode = node(CrashPid1), CrashPid2 = (catch spawn_opt('unknown@node', fun () -> erlang:nodes() end, [])), true = is_pid(CrashPid2), ThisNode = node(CrashPid2), CrashPid3 = (catch spawn('unknown@node', erlang, nodes, [])), true = is_pid(CrashPid3), ThisNode = node(CrashPid3), CrashPid4 = (catch spawn('unknown@node', fun () -> erlang:nodes() end)), true = is_pid(CrashPid4), ThisNode = node(CrashPid4), OTE = process_flag(trap_exit,true), CrashPid5 = (catch spawn_link('unknown@node', erlang, nodes, [])), receive {'EXIT', CrashPid5, noconnection} -> true = is_pid(CrashPid5), ThisNode = node(CrashPid5) end, CrashPid6 = (catch spawn_link('unknown@node', fun () -> erlang:nodes() end)), receive {'EXIT', CrashPid6, noconnection} -> true = is_pid(CrashPid6), ThisNode = node(CrashPid6) end, process_flag(trap_exit,OTE), case OTE of false -> receive {'EXIT', P, R} -> ct:fail({'EXIT', P, R}) after 0 -> ok end; _ -> ok end, %% bad node io:format("Testing bad nodes~n", []), {'EXIT', {badarg, _}} = (catch spawn_opt("Node",erlang,nodes,[],[])), {'EXIT', {badarg, _}} = (catch spawn_opt("Node", fun () -> erlang:nodes() end, [])), {'EXIT', {badarg, _}} = (catch spawn_link("Node", fun () -> erlang:nodes() end)), {'EXIT', {badarg, _}} = (catch spawn("Node",erlang,nodes,[])), {'EXIT', {badarg, _}} = (catch spawn("Node", fun () -> erlang:nodes() end)), %% bad module io:format("Testing bad modules~n", []), {'EXIT', {badarg, _}} = (catch spawn_opt(Node,"erlang",nodes,[],[])), {'EXIT', {badarg, _}} = (catch spawn_opt("erlang",nodes,[],[])), {'EXIT', {badarg, _}} = (catch spawn_link(Node,"erlang",nodes,[])), {'EXIT', {badarg, _}} = (catch spawn_link("erlang",nodes,[])), {'EXIT', {badarg, _}} = (catch spawn(Node,"erlang",nodes,[])), {'EXIT', {badarg, _}} = (catch spawn("erlang",nodes,[])), %% bad function io:format("Testing bad functions~n", []), {'EXIT', {badarg, _}} = (catch spawn_opt(Node,erlang,"nodes",[],[])), {'EXIT', {badarg, _}} = (catch spawn_opt(Node,not_a_fun,[])), {'EXIT', {badarg, _}} = (catch spawn_opt(erlang,"nodes",[],[])), {'EXIT', {badarg, _}} = (catch spawn_opt(not_a_fun,[])), {'EXIT', {badarg, _}} = (catch spawn_link(Node,erlang,"nodes",[])), {'EXIT', {badarg, _}} = (catch spawn_link(Node,not_a_fun)), {'EXIT', {badarg, _}} = (catch spawn_link(erlang,"nodes",[])), {'EXIT', {badarg, _}} = (catch spawn_link(not_a_fun)), {'EXIT', {badarg, _}} = (catch spawn(Node,erlang,"nodes",[])), {'EXIT', {badarg, _}} = (catch spawn(Node,not_a_fun)), {'EXIT', {badarg, _}} = (catch spawn(erlang,"nodes",[])), {'EXIT', {badarg, _}} = (catch spawn(not_a_fun)), %% bad argument io:format("Testing bad arguments~n", []), {'EXIT', {badarg, _}} = (catch spawn_opt(Node,erlang,nodes,[a|b],[])), {'EXIT', {badarg, _}} = (catch spawn_opt(erlang,nodes,[a|b],[])), {'EXIT', {badarg, _}} = (catch spawn_link(Node,erlang,nodes,[a|b])), {'EXIT', {badarg, _}} = (catch spawn_link(erlang,nodes,[a|b])), {'EXIT', {badarg, _}} = (catch spawn(Node,erlang,nodes,[a|b])), {'EXIT', {badarg, _}} = (catch spawn(erlang,nodes,[a|b])), %% bad option io:format("Testing bad options~n", []), {'EXIT', {badarg, _}} = (catch spawn_opt(Node,erlang,nodes,[],[a|b])), {'EXIT', {badarg, _}} = (catch spawn_opt(erlang,nodes,[],[a|b])), true = stop_node(Node), ok. check_proc_vals(Link, Priority, FullsweepAfter, MinHeapSize, {Ls, P, FA, HS}) -> Link = lists:member(self(), Ls), Priority = P, FullsweepAfter = FA, true = (HS >= MinHeapSize), ok. fetch_proc_vals(Pid) -> PI = process_info(Pid), {value,{links, Ls}} = lists:keysearch(links, 1, PI), {value,{priority,P}} = lists:keysearch(priority, 1, PI), {value,{garbage_collection,Gs}} = lists:keysearch(garbage_collection, 1, PI), {value,{fullsweep_after,FA}} = lists:keysearch(fullsweep_after, 1, Gs), {value,{heap_size,HS}} = lists:keysearch(heap_size, 1, PI), {Ls, P, FA, HS}. %% Test erlang:packet_delim/3 with {line_delimiter,0} option. decode_packet_delim(Config) when is_list(Config) -> {ok,<<"abc",0>>,<<"efg",0>>} = erlang:decode_packet(line, <<"abc",0,"efg",0>>, [{line_delimiter, 0}]), {more, undefined} = erlang:decode_packet(line, <<"abc",0,"efg",0>>, []). %% This testcase should probably be moved somewhere else %% Test that memory allocation command line options affecting the %% wilderness of the heap are interpreted correct by the emulator. wilderness(Config) when is_list(Config) -> OKParams = {512, 8}, Alloc = erlang:system_info(allocator), io:format("Test server allocator info:~n~p", [Alloc]), Result = case Alloc of {Allocator, _, _, _} when Allocator == glibc; Allocator == dlmalloc -> run_wilderness_test(OKParams, OKParams), {comment, "Allocator used: " ++ atom_to_list(Allocator)}; {OtherAllocator, _, _, _} -> {skipped, "Only run when glibc is used. " "Allocator used: " ++ atom_to_list(OtherAllocator)} end, Result. run_wilderness_test({Set_tt, Set_tp}, {Exp_tt, Exp_tp}) -> Self = self(), Ref = make_ref(), SuiteDir = filename:dirname(code:which(?MODULE)), {ok, Node} = test_server:start_node(allocator_test, slave, [{args, " -pa " ++ SuiteDir ++" +MYtt "++to_string(Set_tt) ++" +MYtp "++to_string(Set_tp)}, {linked, false}]), spawn(Node, fun () -> Self ! {Ref, erlang:system_info(allocator)} end), receive {Ref, {A, V, F, S}} -> Ett = Exp_tt*1024, Etp = Exp_tp*1024, io:format("Test allocator info:~n~p", [{A, V, F, S}]), {value, {sys_alloc, SA_Opts}} = lists:keysearch(sys_alloc, 1, S), {value, {tt, Ett}} = lists:keysearch(tt, 1, SA_Opts), {value, {tp, Etp}} = lists:keysearch(tp, 1, SA_Opts) end, stop_node(Node). to_string(X) when is_integer(X) -> integer_to_list(X); to_string(X) when is_atom(X) -> atom_to_list(X); to_string(X) when is_list(X) -> X. get_nodenames(N, T) -> get_nodenames(N, T, []). get_nodenames(0, _, Acc) -> Acc; get_nodenames(N, T, Acc) -> {A, B, C} = now(), get_nodenames(N-1, T, [list_to_atom(atom_to_list(?MODULE) ++ "-" ++ atom_to_list(T) ++ "-" ++ integer_to_list(A) ++ "-" ++ integer_to_list(B) ++ "-" ++ integer_to_list(C)) | Acc]). start_node(TestCase) -> [Name] = get_nodenames(1, TestCase), Pa = filename:dirname(code:which(?MODULE)), test_server:start_node(Name, slave, [{args, "-pa " ++ Pa}]). stop_node(Node) -> true = test_server:stop_node(Node). run_fun(Fun) -> Fun().