Add ct:get_progname/0

This replaces all uses of lib:progname/0 in tests.

14 files changed, 50 insertions, 27 deletions

diff --git a/erts/emulator/test/distribution_SUITE.erl b/erts/emulator/test/distribution_SUITE.erl
index e40d346e10..0e383ee879 100644
--- a/erts/emulator/test/distribution_SUITE.erl
+++ b/erts/emulator/test/distribution_SUITE.erl
@@ -797,7 +797,7 @@ show_term(Term) ->
 
 %% Tests behaviour after net_kernel:stop (OTP-2586).
 stop_dist(Config) when is_list(Config) ->
-    Str = os:cmd(atom_to_list(lib:progname())
+    Str = os:cmd(ct:get_progname()
                  ++ " -noshell -pa "
                  ++ proplists:get_value(data_dir, Config)
                  ++ " -s run"),
@@ -974,9 +974,9 @@ dist_auto_connect_start(Name, Value) when is_list(Name), is_atom(Value) ->
     ModuleDir = filename:dirname(code:which(?MODULE)),
     ValueStr = atom_to_list(Value),
     Cookie = atom_to_list(erlang:get_cookie()),
-    Cmd = lists:concat(
+    Cmd = lists:append(
             [%"xterm -e ",
-             atom_to_list(lib:progname()),
+             ct:get_progname(),
              %	     " -noinput ",
              " -detached ",
              long_or_short(), " ", Name,
diff --git a/erts/emulator/test/port_SUITE.erl b/erts/emulator/test/port_SUITE.erl
index 5b39d05df8..eb9b94a316 100644
--- a/erts/emulator/test/port_SUITE.erl
+++ b/erts/emulator/test/port_SUITE.erl
@@ -965,7 +965,7 @@ env_slave(File, Env) ->
 
 env_slave(File, Env, Body) ->
     file:write_file(File, term_to_binary(Body)),
-    Program = atom_to_list(lib:progname()),
+    Program = ct:get_progname(),
     Dir = filename:dirname(code:which(?MODULE)),
     Cmd = Program ++ " -pz " ++ Dir ++
     " -noinput -run " ++ ?MODULE_STRING ++ " env_slave_main " ++
@@ -1129,7 +1129,7 @@ try_bad_args(Args) ->
 cd(Config)  when is_list(Config) ->
     ct:timetrap({minutes, 1}),
 
-    Program = atom_to_list(lib:progname()),
+    Program = ct:get_progname(),
     DataDir = proplists:get_value(data_dir, Config),
     TestDir = filename:join(DataDir, "dir"),
     Cmd = Program ++ " -pz " ++ DataDir ++
@@ -1191,7 +1191,7 @@ cd(Config)  when is_list(Config) ->
 %% be relative the new cwd and not the original
 cd_relative(Config) ->
 
-    Program = atom_to_list(lib:progname()),
+    Program = ct:get_progname(),
     DataDir = proplists:get_value(data_dir, Config),
     TestDir = filename:join(DataDir, "dir"),
 
@@ -1214,7 +1214,7 @@ cd_relative(Config) ->
 
 relative_cd() ->
 
-    Program = atom_to_list(lib:progname()),
+    Program = ct:get_progname(),
     ok = file:set_cwd(".."),
     {ok, Cwd} = file:get_cwd(),
 
diff --git a/erts/emulator/test/sensitive_SUITE.erl b/erts/emulator/test/sensitive_SUITE.erl
index c3e303bbd1..9b23a30e88 100644
--- a/erts/emulator/test/sensitive_SUITE.erl
+++ b/erts/emulator/test/sensitive_SUITE.erl
@@ -413,7 +413,7 @@ my_process_info(Pid, Tag) ->
 
 t_process_display(Config) when is_list(Config) ->
     Dir = filename:dirname(code:which(?MODULE)),
-    Cmd = atom_to_list(lib:progname()) ++ " -noinput -pa " ++ Dir ++
+    Cmd = ct:get_progname() ++ " -noinput -pa " ++ Dir ++
     " -run " ++ ?MODULE_STRING ++ " remote_process_display",
     io:put_chars(Cmd),
     P = open_port({spawn,Cmd}, [in,stderr_to_stdout,eof]),
diff --git a/erts/test/erlc_SUITE.erl b/erts/test/erlc_SUITE.erl
index 394ecc8964..622c4ec06b 100644
--- a/erts/test/erlc_SUITE.erl
+++ b/erts/test/erlc_SUITE.erl
@@ -505,7 +505,7 @@ run_command(Dir, {win32, _}, Cmd) ->
     {BatchFile,
      Run,
      ["@echo off\r\n",
-      "set ERLC_EMULATOR=", atom_to_list(lib:progname()), "\r\n",
+      "set ERLC_EMULATOR=", ct:get_progname(), "\r\n",
       Cmd, "\r\n",
       "if errorlevel 1 echo _ERROR_\r\n",
       "if not errorlevel 1 echo _OK_\r\n"]};
@@ -514,7 +514,7 @@ run_command(Dir, {unix, _}, Cmd) ->
     {Name,
      "/bin/sh " ++ Name,
      ["#!/bin/sh\n",
-      "ERLC_EMULATOR='", atom_to_list(lib:progname()), "'\n",
+      "ERLC_EMULATOR='", ct:get_progname(), "'\n",
       "export ERLC_EMULATOR\n",
       Cmd, "\n",
       "case $? in\n",
diff --git a/lib/common_test/doc/src/ct.xml b/lib/common_test/doc/src/ct.xml
index afd8741cd1..3d35ae4f54 100644
--- a/lib/common_test/doc/src/ct.xml
+++ b/lib/common_test/doc/src/ct.xml
@@ -572,6 +572,16 @@
     </func>
 
     <func>
+      <name>get_progname() -&gt; string()</name>
+      <fsummary>Returns the command used to start this Erlang instance.</fsummary>
+      <desc><marker id="get_progname-0"/>
+        <p>Returns the command used to start this Erlang instance.
+           If this information could not be found, the string
+           <c>"no_prog_name"</c> is returned.</p>
+      </desc>
+    </func>
+
+    <func>
       <name>get_status() -&gt; TestStatus | {error, Reason} | no_tests_running</name>
       <fsummary>Returns status of ongoing test.</fsummary>
       <type>
diff --git a/lib/common_test/src/ct.erl b/lib/common_test/src/ct.erl
index fd7fa07b81..14a9ec07cf 100644
--- a/lib/common_test/src/ct.erl
+++ b/lib/common_test/src/ct.erl
@@ -87,6 +87,7 @@
 	 decrypt_config_file/2, decrypt_config_file/3]).
 
 -export([get_target_name/1]).
+-export([get_progname/0]).
 -export([parse_table/1, listenv/1]).
 
 -export([remaining_test_procs/0]).
@@ -975,7 +976,20 @@ make_priv_dir() ->
 %%% belongs to.
 get_target_name(Handle) ->
     ct_util:get_target_name(Handle).
-    
+
+%%%-----------------------------------------------------------------
+%%% @doc Return the command used to start (this) erlang
+
+-spec get_progname() -> string().
+
+get_progname() ->
+    case init:get_argument(progname) of
+	{ok, [[Prog]]} ->
+	    Prog;
+	_Other ->
+	    "no_prog_name"
+    end.
+
 %%%-----------------------------------------------------------------
 %%% @spec parse_table(Data) -> {Heading,Table}
 %%%       Data = [string()]
@@ -1006,7 +1020,6 @@ parse_table(Data) ->
 listenv(Telnet) ->
     ct_util:listenv(Telnet).
 
-
 %%%-----------------------------------------------------------------
 %%% @spec testcases(TestDir, Suite) -> Testcases | {error,Reason}
 %%%       TestDir = string()
diff --git a/lib/common_test/src/test_server_node.erl b/lib/common_test/src/test_server_node.erl
index b2d4f199c3..76588e6887 100644
--- a/lib/common_test/src/test_server_node.erl
+++ b/lib/common_test/src/test_server_node.erl
@@ -591,7 +591,7 @@ cast_to_list(X) -> lists:flatten(io_lib:format("~tw", [X])).
 %%%  this
 %%%
 pick_erl_program(default) ->
-    cast_to_list(lib:progname());
+    ct:get_progname();
 pick_erl_program(L) ->
     P = random_element(L),
     case P of
@@ -600,7 +600,7 @@ pick_erl_program(L) ->
 	{release, S} ->
 	    find_release(S);
 	this ->
-	    cast_to_list(lib:progname())
+	    ct:get_progname()
     end.
 
 %% This is an attempt to distinguish between spaces in the program
@@ -611,8 +611,8 @@ pick_erl_program(L) ->
 %% ({prog,String}) or if the -program switch to beam is used and
 %% includes arguments (typically done by cerl in OTP test environment
 %% in order to ensure that slave/peer nodes are started with the same
-%% emulator and flags as the test node. The return from lib:progname()
-%% could then typically be '/<full_path_to>/cerl -gcov').
+%% emulator and flags as the test node. The return from ct:get_progname()
+%% could then typically be "/<full_path_to>/cerl -gcov").
 quote_progname(Progname) ->
     do_quote_progname(string:lexemes(Progname," ")).
 
diff --git a/lib/common_test/test_server/ts_erl_config.erl b/lib/common_test/test_server/ts_erl_config.erl
index c7fe4ccf83..7104155365 100644
--- a/lib/common_test/test_server/ts_erl_config.erl
+++ b/lib/common_test/test_server/ts_erl_config.erl
@@ -358,7 +358,7 @@ link_library(_LibName,_Other) ->
 %% Returns emulator specific variables.
 emu_vars(Vars) ->
     [{is_source_build, is_source_build()},
-     {erl_name, atom_to_list(lib:progname())}|Vars].
+     {erl_name, ct:get_progname()}|Vars].
 
 is_source_build() ->
     string:find(erlang:system_info(system_version), "source") =/= nomatch.
diff --git a/lib/common_test/test_server/ts_run.erl b/lib/common_test/test_server/ts_run.erl
index 3f594236bc..5dbbaca916 100644
--- a/lib/common_test/test_server/ts_run.erl
+++ b/lib/common_test/test_server/ts_run.erl
@@ -199,7 +199,7 @@ make_command(Vars, Spec, State) ->
     TestPath = filename:nativename(TestDir),
     Erl = case os:getenv("TS_RUN_VALGRIND") of
 	      false ->
-		  atom_to_list(lib:progname());
+		  ct:get_progname();
 	      _ ->
 		  case State#state.file of
 		      Dir when is_list(Dir) ->
diff --git a/lib/kernel/test/erl_distribution_SUITE.erl b/lib/kernel/test/erl_distribution_SUITE.erl
index 0470f09f29..9c6712ad74 100644
--- a/lib/kernel/test/erl_distribution_SUITE.erl
+++ b/lib/kernel/test/erl_distribution_SUITE.erl
@@ -244,7 +244,7 @@ illegal(Name) ->
 test_node(Name) ->
     test_node(Name, false).
 test_node(Name, Illigal) ->
-    ProgName = atom_to_list(lib:progname()),
+    ProgName = ct:get_progname(),
     Command = ProgName ++ " -noinput " ++ long_or_short() ++ Name ++
         " -eval \"net_adm:ping('" ++ atom_to_list(node()) ++ "')\"" ++
         case Illigal of
diff --git a/lib/kernel/test/heart_SUITE.erl b/lib/kernel/test/heart_SUITE.erl
index 22db24de5f..e95635b800 100644
--- a/lib/kernel/test/heart_SUITE.erl
+++ b/lib/kernel/test/heart_SUITE.erl
@@ -168,7 +168,7 @@ reboot(Config) when is_list(Config) ->
     {ok, Node} = start_check(slave, ?UNIQ_NODE_NAME),
 
     ok = rpc:call(Node, heart, set_cmd,
-			[atom_to_list(lib:progname()) ++ 
+			[ct:get_progname() ++
 			 " -noshell -heart " ++ name(Node) ++ "&"]),
     rpc:call(Node, init, reboot, []),
     receive
@@ -203,7 +203,7 @@ node_start_immediately_after_crash_test(Config) when is_list(Config) ->
 			     [{"ERL_CRASH_DUMP_SECONDS", "0"}]),
 
     ok = rpc:call(Node, heart, set_cmd,
-	[atom_to_list(lib:progname()) ++
+	[ct:get_progname() ++
 	    " -noshell -heart " ++ name(Node) ++ "&"]),
 
     Mod  = exhaust_atoms,
@@ -254,7 +254,7 @@ node_start_soon_after_crash_test(Config) when is_list(Config) ->
 			     [{"ERL_CRASH_DUMP_SECONDS", "10"}]),
 
     ok = rpc:call(Node, heart, set_cmd,
-	[atom_to_list(lib:progname()) ++
+	[ct:get_progname() ++
 	    " -noshell -heart " ++ name(Node) ++ "&"]),
 
     Mod  = exhaust_atoms,
@@ -309,7 +309,7 @@ set_cmd(Config) when is_list(Config) ->
 clear_cmd(Config) when is_list(Config) ->
     {ok, Node} = start_check(slave, ?UNIQ_NODE_NAME),
     ok = rpc:call(Node, heart, set_cmd,
-			[atom_to_list(lib:progname()) ++
+			[ct:get_progname() ++
 			 " -noshell -heart " ++ name(Node) ++ "&"]),
     rpc:call(Node, init, reboot, []),
     receive
diff --git a/lib/kernel/test/kernel_config_SUITE.erl b/lib/kernel/test/kernel_config_SUITE.erl
index 9a4578917d..a21020ff97 100644
--- a/lib/kernel/test/kernel_config_SUITE.erl
+++ b/lib/kernel/test/kernel_config_SUITE.erl
@@ -76,7 +76,7 @@ sync(Conf) when is_list(Conf) ->
     %% Reset wall_clock
     {T1,_} = erlang:statistics(wall_clock),
     io:format("~p~n", [{t1, T1}]),
-    Command = lists:concat([lib:progname(),
+    Command = lists:append([ct:get_progname(),
 			    " -detached -sname cp1 ",
 			    "-config ", Config,
 			    " -env ERL_CRASH_DUMP erl_crash_dump.cp1"]),
diff --git a/lib/kernel/test/os_SUITE.erl b/lib/kernel/test/os_SUITE.erl
index a9e1ae6aa2..abbc301360 100644
--- a/lib/kernel/test/os_SUITE.erl
+++ b/lib/kernel/test/os_SUITE.erl
@@ -227,8 +227,8 @@ find_executable(Config) when is_list(Config) ->
 	    DataDir = proplists:get_value(data_dir, Config),
 
 	    %% Smoke test.
-	    case lib:progname() of
-		erl ->
+	    case ct:get_progname() of
+		"erl" ->
 		    ErlPath = os:find_executable("erl"),
 		    true = is_list(ErlPath),
 		    true = filelib:is_regular(ErlPath);
diff --git a/lib/stdlib/test/io_SUITE.erl b/lib/stdlib/test/io_SUITE.erl
index 9f48fbf5e3..13f2cbd27b 100644
--- a/lib/stdlib/test/io_SUITE.erl
+++ b/lib/stdlib/test/io_SUITE.erl
@@ -1808,7 +1808,7 @@ rpc_call_max(Node, M, F, Args) ->
 
 %% Make sure that a bad specification for a printable range is rejected.
 bad_printable_range(Config) when is_list(Config) ->
-    Cmd = lists:concat([lib:progname()," +pcunnnnnicode -run erlang halt"]),
+    Cmd = ct:get_progname() ++ " +pcunnnnnicode -run erlang halt",
     P = open_port({spawn, Cmd}, [stderr_to_stdout, {line, 200}]),
     ok = receive
              {P, {data, {eol , "bad range of printable characters" ++ _}}} ->