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-rw-r--r--erts/emulator/test/port_bif_SUITE.erl391
1 files changed, 206 insertions, 185 deletions
diff --git a/erts/emulator/test/port_bif_SUITE.erl b/erts/emulator/test/port_bif_SUITE.erl
index d9c82aba0e..8feea87d7e 100644
--- a/erts/emulator/test/port_bif_SUITE.erl
+++ b/erts/emulator/test/port_bif_SUITE.erl
@@ -24,6 +24,7 @@
init_per_group/2,end_per_group/2, command/1,
command_e_1/1, command_e_2/1, command_e_3/1, command_e_4/1,
port_info1/1, port_info2/1,
+ port_info_os_pid/1,
connect/1, control/1, echo_to_busy/1]).
-export([do_command_e_1/1, do_command_e_2/1, do_command_e_4/1]).
@@ -41,7 +42,7 @@ all() ->
groups() ->
[{command_e, [],
[command_e_1, command_e_2, command_e_3, command_e_4]},
- {port_info, [], [port_info1, port_info2]}].
+ {port_info, [], [port_info1, port_info2, port_info_os_pid]}].
init_per_suite(Config) ->
Config.
@@ -65,15 +66,15 @@ end_per_testcase(_Func, Config) when is_list(Config) ->
test_server:timetrap_cancel(Dog).
command(Config) when is_list(Config) ->
- ?line load_control_drv(Config),
-
- ?line P = open_port({spawn, control_drv}, []),
- ?line do_command(P, "hello"),
- ?line do_command(P, <<"hello">>),
- ?line do_command(P, sub_bin(<<"1234kalle">>)),
- ?line do_command(P, unaligned_sub_bin(<<"blurf">>)),
- ?line do_command(P, ["bl"|unaligned_sub_bin(<<"urf">>)]),
- ?line true = erlang:port_close(P),
+ load_control_drv(Config),
+
+ P = open_port({spawn, control_drv}, []),
+ do_command(P, "hello"),
+ do_command(P, <<"hello">>),
+ do_command(P, sub_bin(<<"1234kalle">>)),
+ do_command(P, unaligned_sub_bin(<<"blurf">>)),
+ do_command(P, ["bl"|unaligned_sub_bin(<<"urf">>)]),
+ true = erlang:port_close(P),
ok.
do_command(P, Data) ->
@@ -94,139 +95,163 @@ do_command(P, Data) ->
%% port_command/2: badarg 1st arg
command_e_1(Config) when is_list(Config) ->
- ?line DataDir = ?config(data_dir, Config),
- ?line Program = filename:join(DataDir, "port_test"),
+ DataDir = ?config(data_dir, Config),
+ Program = filename:join(DataDir, "port_test"),
process_flag(trap_exit, true),
- ?line _ = spawn_link(?MODULE, do_command_e_1, [Program]),
- ?line receive
- {'EXIT', Pid, {badarg, _}} when is_pid(Pid) ->
- ok;
- Other ->
- ?line test_server:fail(Other)
- after 10000 ->
- ?line test_server:fail(timeout)
- end,
+ _ = spawn_link(?MODULE, do_command_e_1, [Program]),
+ receive
+ {'EXIT', Pid, {badarg, _}} when is_pid(Pid) ->
+ ok;
+ Other ->
+ test_server:fail(Other)
+ after 10000 ->
+ test_server:fail(timeout)
+ end,
ok.
do_command_e_1(Program) ->
- ?line _ = open_port({spawn, Program}, []),
- ?line erlang:port_command(apple, "plock"),
+ _ = open_port({spawn, Program}, []),
+ erlang:port_command(apple, "plock"),
exit(survived).
%% port_command/2: badarg 2nd arg
command_e_2(Config) when is_list(Config) ->
- ?line DataDir = ?config(data_dir, Config),
- ?line Program = filename:join(DataDir, "port_test"),
+ DataDir = ?config(data_dir, Config),
+ Program = filename:join(DataDir, "port_test"),
process_flag(trap_exit, true),
- ?line _ = spawn_link(?MODULE, do_command_e_2, [Program]),
- ?line receive
- {'EXIT', Pid, {badarg, _}} when is_pid(Pid) ->
- ok;
- Other ->
- ?line test_server:fail(Other)
- after 10000 ->
- ?line test_server:fail(timeout)
- end,
+ _ = spawn_link(?MODULE, do_command_e_2, [Program]),
+ receive
+ {'EXIT', Pid, {badarg, _}} when is_pid(Pid) ->
+ ok;
+ Other ->
+ test_server:fail(Other)
+ after 10000 ->
+ test_server:fail(timeout)
+ end,
ok.
do_command_e_2(Program) ->
- ?line P = open_port({spawn, Program}, []),
- ?line erlang:port_command(P, 1),
+ P = open_port({spawn, Program}, []),
+ erlang:port_command(P, 1),
exit(survived).
%% port_command/2: Posix signals trapped
command_e_3(Config) when is_list(Config) ->
- ?line DataDir = ?config(data_dir, Config),
- ?line Program = filename:join(DataDir, "port_test"),
+ DataDir = ?config(data_dir, Config),
+ Program = filename:join(DataDir, "port_test"),
process_flag(trap_exit, true),
- ?line P = open_port({spawn, Program}, [{packet, 1}]),
- ?line Data = lists:duplicate(257, $a),
- ?line erlang:port_command(P, Data),
- ?line receive
- {'EXIT', Port, einval} when is_port(Port) ->
- ok;
- Other ->
- test_server:fail(Other)
- after 10000 ->
- test_server:fail(timeout)
- end,
+ P = open_port({spawn, Program}, [{packet, 1}]),
+ Data = lists:duplicate(257, $a),
+ erlang:port_command(P, Data),
+ receive
+ {'EXIT', Port, einval} when is_port(Port) ->
+ ok;
+ Other ->
+ test_server:fail(Other)
+ after 10000 ->
+ test_server:fail(timeout)
+ end,
ok.
%% port_command/2: Posix exit signals not trapped
command_e_4(Config) when is_list(Config) ->
- ?line DataDir = ?config(data_dir, Config),
- ?line Program = filename:join(DataDir, "port_test"),
+ DataDir = ?config(data_dir, Config),
+ Program = filename:join(DataDir, "port_test"),
process_flag(trap_exit, true),
- ?line _ = spawn_link(?MODULE, do_command_e_4, [Program]),
- ?line receive
- {'EXIT', Pid, {einval, _}} when is_pid(Pid) ->
- ok;
- Other ->
- ?line test_server:fail(Other)
- after 10000 ->
- ?line test_server:fail(timeout)
- end,
+ _ = spawn_link(?MODULE, do_command_e_4, [Program]),
+ receive
+ {'EXIT', Pid, {einval, _}} when is_pid(Pid) ->
+ ok;
+ Other ->
+ test_server:fail(Other)
+ after 10000 ->
+ test_server:fail(timeout)
+ end,
ok.
do_command_e_4(Program) ->
- ?line P = open_port({spawn, Program}, [{packet, 1}]),
- ?line Data = lists:duplicate(257, $a),
- ?line erlang:port_command(P, Data),
+ P = open_port({spawn, Program}, [{packet, 1}]),
+ Data = lists:duplicate(257, $a),
+ erlang:port_command(P, Data),
exit(survived).
%% Tests the port_info/1 BIF
port_info1(Config) when is_list(Config) ->
- ?line load_control_drv(Config),
+ load_control_drv(Config),
Me=self(),
- ?line P = open_port({spawn, control_drv}, []),
- ?line A1 = erlang:port_info(P),
- ?line false = lists:keysearch(registered_name, 1, A1),
- ?line register(myport, P),
- ?line A = erlang:port_info(P),
- ?line {value,{registered_name,myport}}=
- lists:keysearch(registered_name, 1, A),
- ?line {value,{name,"control_drv"}}=lists:keysearch(name, 1, A),
- ?line {value,{links,[Me]}}=lists:keysearch(links, 1, A),
- ?line {value,{id,_IdNum}}=lists:keysearch(id, 1, A),
- ?line {value,{connected,_}}=lists:keysearch(connected, 1, A),
- ?line {value,{input,0}}=lists:keysearch(input, 1, A),
- ?line {value,{output,0}}=lists:keysearch(output, 1, A),
- ?line true=erlang:port_close(P),
+ P = open_port({spawn, control_drv}, []),
+ A1 = erlang:port_info(P),
+ false = lists:keysearch(registered_name, 1, A1),
+ register(myport, P),
+ A = erlang:port_info(P),
+ {value,{registered_name,myport}}= lists:keysearch(registered_name, 1, A),
+ {value,{name,"control_drv"}}=lists:keysearch(name, 1, A),
+ {value,{links,[Me]}}=lists:keysearch(links, 1, A),
+ {value,{id,_IdNum}}=lists:keysearch(id, 1, A),
+ {value,{connected,_}}=lists:keysearch(connected, 1, A),
+ {value,{input,0}}=lists:keysearch(input, 1, A),
+ {value,{output,0}}=lists:keysearch(output, 1, A),
+ {value,{os_pid,undefined}}=lists:keysearch(os_pid, 1, A), % linked-in driver doesn't have a OS pid
+ true=erlang:port_close(P),
ok.
%% Tests erlang:port_info/2"
port_info2(Config) when is_list(Config) ->
- ?line load_control_drv(Config),
+ load_control_drv(Config),
- ?line P = open_port({spawn,control_drv}, [binary]),
- ?line [] = erlang:port_info(P, registered_name),
- ?line register(myport, P),
- ?line {registered_name, myport} = erlang:port_info(P, registered_name),
+ P = open_port({spawn,control_drv}, [binary]),
+ [] = erlang:port_info(P, registered_name),
+ register(myport, P),
+ {registered_name, myport} = erlang:port_info(P, registered_name),
- ?line {name, "control_drv"}=erlang:port_info(P, name),
- ?line {id, _IdNum} = erlang:port_info(P, id),
+ {name, "control_drv"}=erlang:port_info(P, name),
+ {id, _IdNum} = erlang:port_info(P, id),
Me=self(),
- ?line {links, [Me]} = erlang:port_info(P, links),
- ?line {connected, Me} = erlang:port_info(P, connected),
- ?line {input, 0}=erlang:port_info(P, input),
- ?line {output,0}=erlang:port_info(P, output),
-
- ?line erlang:port_control(P, $i, "abc"),
- ?line receive
- {P,{data,<<"abc">>}} -> ok
- end,
- ?line {input,3} = erlang:port_info(P, input),
- ?line {output,0} = erlang:port_info(P, output),
-
- ?line Bin = list_to_binary(lists:duplicate(2047, 42)),
- ?line output_test(P, Bin, 3, 0),
+ {links, [Me]} = erlang:port_info(P, links),
+ {connected, Me} = erlang:port_info(P, connected),
+ {input, 0}=erlang:port_info(P, input),
+ {output,0}=erlang:port_info(P, output),
+ {os_pid, undefined}=erlang:port_info(P, os_pid), % linked-in driver doesn't have a OS pid
+
+ erlang:port_control(P, $i, "abc"),
+ receive
+ {P,{data,<<"abc">>}} -> ok
+ end,
+ {input,3} = erlang:port_info(P, input),
+ {output,0} = erlang:port_info(P, output),
+
+ Bin = list_to_binary(lists:duplicate(2047, 42)),
+ output_test(P, Bin, 3, 0),
- ?line true = erlang:port_close(P),
+ true = erlang:port_close(P),
+ ok.
+
+%% Tests the port_info/1,2 os_pid option BIF
+port_info_os_pid(Config) when is_list(Config) ->
+ case os:type() of
+ {unix,_} ->
+ do_port_info_os_pid();
+ _ ->
+ {skip,"Only on Unix."}
+ end.
+
+do_port_info_os_pid() ->
+ P = open_port({spawn, "echo $$"}, [eof]),
+ A = erlang:port_info(P),
+ {os_pid, InfoOSPid} = erlang:port_info(P, os_pid),
+ EchoPidStr = receive
+ {P, {data, EchoPidStr0}} -> EchoPidStr0
+ after 10000 -> test_server:fail(timeout)
+ end,
+ {ok, [EchoPid], []} = io_lib:fread("~u\n", EchoPidStr),
+ {value,{os_pid, InfoOSPid}}=lists:keysearch(os_pid, 1, A),
+ EchoPid = InfoOSPid,
+ true = erlang:port_close(P),
ok.
output_test(_, _, Input, Output) when Output > 16#1fffffff ->
@@ -237,7 +262,7 @@ output_test(P, Bin, Input0, Output0) ->
{P,{data,Bin}} -> ok;
Other ->
io:format("~p", [Other]),
- ?line ?t:fail()
+ ?t:fail()
end,
Input = Input0 + size(Bin),
Output = Output0 + size(Bin),
@@ -254,109 +279,106 @@ output_test(P, Bin, Input0, Output0) ->
%% Tests the port_connect/2 BIF.
connect(Config) when is_list(Config) ->
- ?line load_control_drv(Config),
+ load_control_drv(Config),
- ?line P = open_port({spawn, control_drv}, []),
+ P = open_port({spawn, control_drv}, []),
register(myport, P),
- ?line true = erlang:port_connect(myport, self()),
+ true = erlang:port_connect(myport, self()),
%% Connect the port to another process.
Data = "hello, world",
Parent = self(),
- ?line Rec =
- fun(Me) -> receive
- {P,{data,Data}} ->
- Parent ! connect_ok,
- Me(Me)
- end
- end,
- ?line RecPid = spawn_link(fun() -> Rec(Rec) end),
- ?line true = erlang:port_connect(P, RecPid),
- ?line unlink(P),
+ Rec = fun(Me) ->
+ receive
+ {P,{data,Data}} ->
+ Parent ! connect_ok,
+ Me(Me)
+ end
+ end,
+ RecPid = spawn_link(fun() -> Rec(Rec) end),
+ true = erlang:port_connect(P, RecPid),
+ unlink(P),
%% Send a command to the port and make sure that the
%% other process receives the echo.
- ?line erlang:port_command(P, Data),
- ?line receive
- connect_ok -> ok
- end,
+ erlang:port_command(P, Data),
+ receive
+ connect_ok -> ok
+ end,
%% Tests some errors.
- ?line {'EXIT',{badarg, _}}=(catch erlang:port_connect(self(), self())),
- ?line {'EXIT',{badarg, _}}=(catch erlang:port_connect(self(), P)),
- ?line {'EXIT',{badarg, _}}=(catch erlang:port_connect(P, P)),
- ?line {'EXIT',{badarg, _}}=(catch erlang:port_connect(P, xxxx)),
- ?line {'EXIT',{badarg, _}}=(catch erlang:port_connect(P, [])),
+ {'EXIT',{badarg, _}}=(catch erlang:port_connect(self(), self())),
+ {'EXIT',{badarg, _}}=(catch erlang:port_connect(self(), P)),
+ {'EXIT',{badarg, _}}=(catch erlang:port_connect(P, P)),
+ {'EXIT',{badarg, _}}=(catch erlang:port_connect(P, xxxx)),
+ {'EXIT',{badarg, _}}=(catch erlang:port_connect(P, [])),
- ?line process_flag(trap_exit, true),
- ?line exit(P, you_should_die),
- ?line receive
- {'EXIT',RecPid,you_should_die} -> ok;
- Other -> ?line ?t:fail({bad_message,Other})
- end,
+ process_flag(trap_exit, true),
+ exit(P, you_should_die),
+ receive
+ {'EXIT',RecPid,you_should_die} -> ok;
+ Other -> ?line ?t:fail({bad_message,Other})
+ end,
%% Done.
ok.
%% Tests port_control/3
control(Config) when is_list(Config) ->
- ?line load_control_drv(Config),
- ?line P = open_port({spawn, control_drv}, []),
+ load_control_drv(Config),
+ P = open_port({spawn, control_drv}, []),
%% Test invalid (out-of-range) arguments.
- ?line {'EXIT', {badarg, _}} = (catch erlang:port_control(self(), 1, [])),
+ {'EXIT', {badarg, _}} = (catch erlang:port_control(self(), 1, [])),
- ?line {'EXIT', {badarg, _}} = (catch erlang:port_control(P, -1, [])),
- ?line {'EXIT', {badarg, _}} = (catch erlang:port_control(P, -34887348739733833, [])),
- ?line {'EXIT', {badarg, _}} = (catch erlang:port_control(P, 16#100000000, [])),
- ?line {'EXIT', {badarg, _}} = (catch erlang:port_control(P, a, [])),
- ?line {'EXIT', {badarg, _}} = (catch erlang:port_control(P, 'e', dum)),
- ?line {'EXIT', {badarg, _}} = (catch erlang:port_control(P, $e, dum)),
- ?line {'EXIT', {badarg, _}} = (catch erlang:port_control(P, $e, fun(X) -> X end)),
- ?line {'EXIT', {badarg, _}} = (catch erlang:port_control(P, $e,
- [fun(X) -> X end])),
- ?line {'EXIT', {badarg, _}} = (catch erlang:port_control(P, $e,
- [1|fun(X) -> X end])),
+ {'EXIT', {badarg, _}} = (catch erlang:port_control(P, -1, [])),
+ {'EXIT', {badarg, _}} = (catch erlang:port_control(P, -34887348739733833, [])),
+ {'EXIT', {badarg, _}} = (catch erlang:port_control(P, 16#100000000, [])),
+ {'EXIT', {badarg, _}} = (catch erlang:port_control(P, a, [])),
+ {'EXIT', {badarg, _}} = (catch erlang:port_control(P, 'e', dum)),
+ {'EXIT', {badarg, _}} = (catch erlang:port_control(P, $e, dum)),
+ {'EXIT', {badarg, _}} = (catch erlang:port_control(P, $e, fun(X) -> X end)),
+ {'EXIT', {badarg, _}} = (catch erlang:port_control(P, $e, [fun(X) -> X end])),
+ {'EXIT', {badarg, _}} = (catch erlang:port_control(P, $e, [1|fun(X) -> X end])),
%% Test errors detected by the driver.
- ?line {'EXIT', {badarg, _}} = (catch erlang:port_control(P, 177, [])),
- ?line {'EXIT', {badarg, _}} = (catch erlang:port_control(P, 155,
- random_packet(1024))),
+ {'EXIT', {badarg, _}} = (catch erlang:port_control(P, 177, [])),
+ {'EXIT', {badarg, _}} = (catch erlang:port_control(P, 155, random_packet(1024))),
%% Test big op codes.
register(myport, P),
- ?line test_op(myport, 256),
- ?line test_op(P, 256),
- ?line test_op(P, 16#0033A837),
- ?line test_op(P, 16#0ab37938),
- ?line test_op(P, 16#eab37938),
- ?line test_op(P, 16#ffffFFFF),
+ test_op(myport, 256),
+ test_op(P, 256),
+ test_op(P, 16#0033A837),
+ test_op(P, 16#0ab37938),
+ test_op(P, 16#eab37938),
+ test_op(P, 16#ffffFFFF),
%% Test the echo function of the driver.
- ?line echo(P, 0),
- ?line echo(P, 1),
- ?line echo(P, 10),
- ?line echo(P, 13),
- ?line echo(P, 63),
- ?line echo(P, 64),
- ?line echo(P, 65),
- ?line echo(P, 127),
- ?line echo(P, 1023),
- ?line echo(P, 1024),
- ?line echo(P, 11243),
- ?line echo(P, 70000),
+ echo(P, 0),
+ echo(P, 1),
+ echo(P, 10),
+ echo(P, 13),
+ echo(P, 63),
+ echo(P, 64),
+ echo(P, 65),
+ echo(P, 127),
+ echo(P, 1023),
+ echo(P, 1024),
+ echo(P, 11243),
+ echo(P, 70000),
%% Done.
- ?line true=erlang:port_close(myport),
+ true = erlang:port_close(myport),
ok.
test_op(P, Op) ->
@@ -364,23 +386,23 @@ test_op(P, Op) ->
<<Op:32>> = list_to_binary(R).
echo_to_busy(Config) when is_list(Config) ->
- ?line Dog = test_server:timetrap(test_server:seconds(10)),
- ?line load_control_drv(Config),
- ?line P = open_port({spawn, control_drv}, []),
- ?line erlang:port_control(P, $b, [1]), % Set to busy.
+ Dog = test_server:timetrap(test_server:seconds(10)),
+ load_control_drv(Config),
+ P = open_port({spawn, control_drv}, []),
+ erlang:port_control(P, $b, [1]), % Set to busy.
Self = self(),
- ?line Echoer = spawn(fun() -> echoer(P, Self) end),
- ?line receive after 500 -> ok end,
- ?line erlang:port_control(P, $b, [0]), % Set to not busy.
- ?line receive
- {Echoer, done} ->
- ok;
- {Echoer, Other} ->
- test_server:fail(Other);
- Other ->
- test_server:fail({unexpected_message, Other})
- end,
- ?line test_server:timetrap_cancel(Dog),
+ Echoer = spawn(fun() -> echoer(P, Self) end),
+ receive after 500 -> ok end,
+ erlang:port_control(P, $b, [0]), % Set to not busy.
+ receive
+ {Echoer, done} ->
+ ok;
+ {Echoer, Other} ->
+ test_server:fail(Other);
+ Other ->
+ test_server:fail({unexpected_message, Other})
+ end,
+ test_server:timetrap_cancel(Dog),
ok.
echoer(P, ReplyTo) ->
@@ -405,9 +427,9 @@ echo(P, Size) ->
Packet = erlang:port_control(P, $e, [unaligned_sub_bin(Bin)]).
load_control_drv(Config) when is_list(Config) ->
- ?line DataDir = ?config(data_dir, Config),
- ?line erl_ddll:start(),
- ?line ok = load_driver(DataDir, "control_drv").
+ DataDir = ?config(data_dir, Config),
+ erl_ddll:start(),
+ ok = load_driver(DataDir, "control_drv").
load_driver(Dir, Driver) ->
case erl_ddll:load_driver(Dir, Driver) of
@@ -459,4 +481,3 @@ sub_bin(Bin) when is_binary(Bin) ->
B.
id(I) -> I.
-