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diff --git a/lib/kernel/test/os_SUITE.erl b/lib/kernel/test/os_SUITE.erl
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+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 1997-2009. 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.
+%%
+%% %CopyrightEnd%
+%%
+-module(os_SUITE).
+
+-export([all/1]).
+-export([space_in_cwd/1, quoting/1, space_in_name/1, bad_command/1,
+ find_executable/1, unix_comment_in_command/1]).
+
+-include("test_server.hrl").
+
+all(suite) ->
+ [space_in_cwd, quoting, space_in_name, bad_command, find_executable,
+ unix_comment_in_command].
+
+space_in_cwd(doc) ->
+ "Test that executing a command in a current working directory "
+ "with space in its name works.";
+space_in_cwd(suite) -> [];
+space_in_cwd(Config) when list(Config) ->
+ ?line PrivDir = ?config(priv_dir, Config),
+ ?line Dirname = filename:join(PrivDir, "cwd with space"),
+ ?line ok = file:make_dir(Dirname),
+ ?line ok = file:set_cwd(Dirname),
+
+ %% Using `more' gives the almost the same result on both Unix and Windows.
+
+ Cmd = case os:type() of
+ {win32, _} ->
+ "more";
+ {unix, _} ->
+ "more </dev/null"
+ end,
+
+ ?line case os:cmd(Cmd) of
+ [] -> ok; % Unix.
+ "\r\n" -> ok; % Windows.
+ Other ->
+ ?line test_server:fail({unexpected, Other})
+ end,
+
+ ?t:sleep(5),
+ ?line [] = receive_all(),
+ ok.
+
+quoting(doc) -> "Test that various ways of quoting arguments work.";
+quoting(suite) -> [];
+quoting(Config) when list(Config) ->
+ ?line DataDir = ?config(data_dir, Config),
+ ?line Echo = filename:join(DataDir, "my_echo"),
+
+ ?line comp("one", os:cmd(Echo ++ " one")),
+ ?line comp("one::two", os:cmd(Echo ++ " one two")),
+ ?line comp("one two", os:cmd(Echo ++ " \"one two\"")),
+ ?line comp("x::one two::y", os:cmd(Echo ++ " x \"one two\" y")),
+ ?line comp("x::one two", os:cmd(Echo ++ " x \"one two\"")),
+ ?line comp("one two::y", os:cmd(Echo ++ " \"one two\" y")),
+ ?line comp("x::::y", os:cmd(Echo ++ " x \"\" y")),
+ ?t:sleep(5),
+ ?line [] = receive_all(),
+ ok.
+
+space_in_name(doc) ->
+ "Test that program with a space in its name can be executed.";
+space_in_name(suite) -> [];
+space_in_name(Config) when list(Config) ->
+ ?line PrivDir = ?config(priv_dir, Config),
+ ?line DataDir = ?config(data_dir, Config),
+ ?line Spacedir = filename:join(PrivDir, "program files"),
+ Ext = case os:type() of
+ {win32,_} -> ".exe";
+ _ -> ""
+ end,
+ ?line OrigEcho = filename:join(DataDir, "my_echo" ++ Ext),
+ ?line Echo0 = filename:join(Spacedir, "my_echo" ++ Ext),
+
+ %% Copy the `my_echo' program to a directory whose name contains a space.
+
+ ?line ok = file:make_dir(Spacedir),
+ ?line {ok, Bin} = file:read_file(OrigEcho),
+ ?line ok = file:write_file(Echo0, Bin),
+ ?line Echo = filename:nativename(Echo0),
+ ?line ok = file:change_mode(Echo, 8#777), % Make it executable on Unix.
+
+ %% Run the echo program.
+
+ ?line comp("", os:cmd("\"" ++ Echo ++ "\"")),
+ ?line comp("a::b::c", os:cmd("\"" ++ Echo ++ "\" a b c")),
+ ?t:sleep(5),
+ ?line [] = receive_all(),
+ ok.
+
+bad_command(doc) ->
+ "Check that a bad command doesn't crasch the server or the emulator (it used to).";
+bad_command(suite) -> [];
+bad_command(Config) when list(Config) ->
+ ?line catch os:cmd([a|b]),
+ ?line catch os:cmd({bad, thing}),
+
+ %% This should at least not crash (on Unix it typically returns
+ %% a message from the shell).
+ ?line os:cmd("xxxxx"),
+
+ ok.
+
+find_executable(suite) -> [];
+find_executable(doc) -> [];
+find_executable(Config) when list(Config) ->
+ case os:type() of
+ {win32, _} ->
+ ?line DataDir = filename:join(?config(data_dir, Config), "win32"),
+ ?line ok = file:set_cwd(filename:join([DataDir, "current"])),
+ ?line Bin = filename:join(DataDir, "bin"),
+ ?line Abin = filename:join(DataDir, "abin"),
+ ?line UsrBin = filename:join([DataDir, "usr", "bin"]),
+ ?line {ok, Current} = file:get_cwd(),
+
+ ?line Path = lists:concat([Bin, ";", Abin, ";", UsrBin]),
+ ?line io:format("Path = ~s", [Path]),
+
+ %% Search for programs in Bin (second element in PATH).
+ ?line find_exe(Abin, "my_ar", ".exe", Path),
+ ?line find_exe(Abin, "my_ascii", ".com", Path),
+ ?line find_exe(Abin, "my_adb", ".bat", Path),
+
+ %% Search for programs in Abin (second element in PATH).
+ ?line find_exe(Abin, "my_ar", ".exe", Path),
+ ?line find_exe(Abin, "my_ascii", ".com", Path),
+ ?line find_exe(Abin, "my_adb", ".bat", Path),
+
+ %% Search for programs in the current working directory.
+ ?line find_exe(Current, "my_program", ".exe", Path),
+ ?line find_exe(Current, "my_command", ".com", Path),
+ ?line find_exe(Current, "my_batch", ".bat", Path),
+ ok;
+ {unix, _} ->
+ ok;
+ vxworks ->
+ ok
+ end.
+
+find_exe(Where, Name, Ext, Path) ->
+ Expected = filename:join(Where, Name++Ext),
+ case os:find_executable(Name, Path) of
+ Expected ->
+ ok;
+ Name when list(Name) ->
+ case filename:absname(Name) of
+ Expected ->
+ ok;
+ Other ->
+ io:format("Expected ~p; got (converted to absolute) ~p",
+ [Expected, Other]),
+ test_server:fail()
+ end;
+ Other ->
+ io:format("Expected ~p; got ~p", [Expected, Other]),
+ test_server:fail()
+ end.
+
+unix_comment_in_command(doc) ->
+ "OTP-1805: Test that os:cmd(\"ls #\") works correctly (used to hang).";
+unix_comment_in_command(suite) -> [];
+unix_comment_in_command(Config) when list(Config) ->
+ ?line Dog = test_server:timetrap(test_server:seconds(20)),
+ ?line Priv = ?config(priv_dir, Config),
+ ?line ok = file:set_cwd(Priv),
+ ?line _ = os:cmd("ls #"), % Any result is ok.
+ ?t:sleep(5),
+ ?line [] = receive_all(),
+ ?line test_server:timetrap_cancel(Dog),
+ ok.
+
+
+comp(Expected, Got) ->
+ case strip_nl(Got) of
+ Expected ->
+ ok;
+ Other ->
+ ok = io:format("Expected: ~s\n", [Expected]),
+ ok = io:format("Got: ~s\n", [Other]),
+ test_server:fail()
+ end.
+
+%% Like lib:nonl/1, but strips \r as well as \n.
+
+strip_nl([$\r, $\n]) -> [];
+strip_nl([$\n]) -> [];
+strip_nl([H|T]) -> [H|strip_nl(T)];
+strip_nl([]) -> [].
+
+receive_all() ->
+ receive
+ X -> [X|receive_all()]
+ after 0 -> []
+ end.
+
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