13 files changed, 1088 insertions, 368 deletions

diff --git a/lib/stdlib/test/Makefile b/lib/stdlib/test/Makefile
index d4ab674486..e366c2b755 100644
--- a/lib/stdlib/test/Makefile
+++ b/lib/stdlib/test/Makefile
@@ -30,6 +30,7 @@ MODULES= \
 	erl_lint_SUITE \
 	erl_pp_SUITE \
 	erl_scan_SUITE \
+	error_logger_h_SUITE \
 	escript_SUITE \
 	ets_SUITE \
 	ets_tough_SUITE \
diff --git a/lib/stdlib/test/base64_SUITE.erl b/lib/stdlib/test/base64_SUITE.erl
index cca9b967d5..75eebba6c6 100644
--- a/lib/stdlib/test/base64_SUITE.erl
+++ b/lib/stdlib/test/base64_SUITE.erl
@@ -30,7 +30,8 @@
 %% Test cases must be exported.
 -export([base64_encode/1, base64_decode/1, base64_otp_5635/1,
 	 base64_otp_6279/1, big/1, illegal/1, mime_decode/1,
-	 mime_decode_to_string/1, roundtrip/1]).
+	 mime_decode_to_string/1,
+	 roundtrip_1/1, roundtrip_2/1, roundtrip_3/1, roundtrip_4/1]).
 
 init_per_testcase(_, Config) ->
     Dog = test_server:timetrap(?t:minutes(4)),
@@ -50,10 +51,11 @@ suite() -> [{ct_hooks,[ts_install_cth]}].
 all() -> 
     [base64_encode, base64_decode, base64_otp_5635,
      base64_otp_6279, big, illegal, mime_decode, mime_decode_to_string,
-     roundtrip].
+     {group, roundtrip}].
 
 groups() -> 
-    [].
+    [{roundtrip, [parallel],
+      [roundtrip_1, roundtrip_2, roundtrip_3, roundtrip_4]}].
 
 init_per_suite(Config) ->
     Config.
@@ -242,21 +244,33 @@ mime_decode_to_string(Config) when is_list(Config) ->
 
 %%-------------------------------------------------------------------------
 
-roundtrip(Config) when is_list(Config) ->
-    Sizes = lists:seq(1, 255) ++ lists:seq(2400-5, 2440),
-    roundtrip_1(Sizes, []).
+roundtrip_1(Config) when is_list(Config) ->
+    do_roundtrip(1).
 
-roundtrip_1([NextSize|Sizes], Current) ->
+roundtrip_2(Config) when is_list(Config) ->
+    do_roundtrip(2).
+
+roundtrip_3(Config) when is_list(Config) ->
+    do_roundtrip(3).
+
+roundtrip_4(Config) when is_list(Config) ->
+    do_roundtrip(4).
+
+do_roundtrip(Offset) ->
+    Sizes = lists:seq(Offset, 255, 4) ++ lists:seq(2400-6+Offset, 2440, 4),
+    do_roundtrip_1(Sizes, []).
+
+do_roundtrip_1([NextSize|Sizes], Current) ->
     Len = length(Current),
     io:format("~p", [Len]),
-    do_roundtrip(Current),
+    do_roundtrip_2(Current),
     Next = random_byte_list(NextSize - Len, Current),
-    roundtrip_1(Sizes, Next);
-roundtrip_1([], Last) ->
+    do_roundtrip_1(Sizes, Next);
+do_roundtrip_1([], Last) ->
     io:format("~p", [length(Last)]),
-    do_roundtrip(Last).
+    do_roundtrip_2(Last).
 
-do_roundtrip(List) ->
+do_roundtrip_2(List) ->
     Bin = list_to_binary(List),
     Base64Bin = base64:encode(List),
     Base64Bin = base64:encode(Bin),
diff --git a/lib/stdlib/test/error_logger_h_SUITE.erl b/lib/stdlib/test/error_logger_h_SUITE.erl
new file mode 100644
index 0000000000..b0b9c717a1
--- /dev/null
+++ b/lib/stdlib/test/error_logger_h_SUITE.erl
@@ -0,0 +1,400 @@
+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2015. 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(error_logger_h_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([logfile/1,logfile_truncated/1,tty/1,tty_truncated/1]).
+
+%% Event handler exports.
+-export([init/1,handle_event/2,terminate/2]).
+
+-include_lib("test_server/include/test_server.hrl").
+
+suite() -> [{ct_hooks,[ts_install_cth]}].
+
+all() ->
+    [logfile,logfile_truncated,tty,tty_truncated].
+
+groups() ->
+    [].
+
+init_per_suite(Config) ->
+    Config.
+
+end_per_suite(_Config) ->
+    ok.
+
+init_per_group(_GroupName, Config) ->
+    Config.
+
+end_per_group(_GroupName, Config) ->
+    Config.
+
+logfile(Config) ->
+    PrivDir = ?config(priv_dir, Config),
+    LogDir = filename:join(PrivDir, ?MODULE),
+    Log = filename:join(LogDir, "logfile.log"),
+    ok = filelib:ensure_dir(Log),
+
+    Ev = event_templates(),
+
+    do_one_logfile(Log, Ev, unlimited),
+
+    Pa = "-pa " ++ filename:dirname(code:which(?MODULE)),
+    {ok,Node} = start_node(logfile, Pa),
+    error_logger:logfile({open,Log}),
+    ok = rpc:call(Node, erlang, apply, [fun gen_events/1,[Ev]]),
+    AtNode = iolist_to_binary(["** at node ",atom_to_list(Node)," **"]),
+    error_logger:logfile(close),
+    analyse_events(Log, Ev, [AtNode], unlimited),
+
+    test_server:stop_node(Node),
+
+    cleanup(Log),
+    ok.
+
+logfile_truncated(Config) ->
+    PrivDir = ?config(priv_dir, Config),
+    LogDir = filename:join(PrivDir, ?MODULE),
+    Log = filename:join(LogDir, "logfile_truncated.log"),
+    ok = filelib:ensure_dir(Log),
+
+    Ev = event_templates(),
+
+    Depth = 20,
+    application:set_env(kernel, error_logger_format_depth, Depth),
+    try
+	do_one_logfile(Log, Ev, Depth)
+    after
+	application:unset_env(kernel, error_logger_format_depth)
+    end,
+
+    cleanup(Log),
+    ok.
+
+do_one_logfile(Log, Ev, Depth) ->
+    error_logger:logfile({open,Log}),
+    gen_events(Ev),
+    error_logger:logfile(close),
+    analyse_events(Log, Ev, [], Depth).
+
+tty(Config) ->
+    PrivDir = ?config(priv_dir, Config),
+    LogDir = filename:join(PrivDir, ?MODULE),
+    Log = filename:join(LogDir, "tty.log"),
+    ok = filelib:ensure_dir(Log),
+
+    Ev = event_templates(),
+
+    do_one_tty(Log, Ev, unlimited),
+
+    Pa = "-pa " ++ filename:dirname(code:which(?MODULE)),
+    {ok,Node} = start_node(logfile, Pa),
+    tty_log_open(Log),
+    ok = rpc:call(Node, erlang, apply, [fun gen_events/1,[Ev]]),
+    tty_log_close(),
+    AtNode = iolist_to_binary(["** at node ",atom_to_list(Node)," **"]),
+    analyse_events(Log, Ev, [AtNode], unlimited),
+
+    test_server:stop_node(Node),
+
+    cleanup(Log),
+    ok.
+
+tty_truncated(Config) ->
+    PrivDir = ?config(priv_dir, Config),
+    LogDir = filename:join(PrivDir, ?MODULE),
+    Log = filename:join(LogDir, "tty_truncated.log"),
+    ok = filelib:ensure_dir(Log),
+
+    Ev = event_templates(),
+
+    Depth = 20,
+    application:set_env(kernel, error_logger_format_depth, Depth),
+    try
+       do_one_tty(Log, Ev, Depth)
+    after
+	application:unset_env(kernel, error_logger_format_depth)
+    end,
+
+    cleanup(Log),
+    ok.
+
+do_one_tty(Log, Ev, Depth) ->
+    tty_log_open(Log),
+    gen_events(Ev),
+    tty_log_close(),
+    analyse_events(Log, Ev, [], Depth).
+
+tty_log_open(Log) ->
+    {ok,Fd} = file:open(Log, [write]),
+    Depth = case application:get_env(kernel, error_logger_format_depth) of
+		{ok,D} -> D;
+		_ -> unlimited
+	    end,
+    error_logger:add_report_handler(?MODULE, {Fd,Depth}),
+    Fd.
+
+tty_log_close() ->
+    error_logger:delete_report_handler(?MODULE),
+    ok.
+
+event_templates() ->
+    [{error_msg,["Pure error string\n",[]]},
+     {error_msg,["Pure error string with error ~p\n",[]]},
+     {error_msg,["Error string with ~p\n", [format]]},
+     {error_msg,["Error string with bad format ~p\n", []]},
+
+     {error_report,[error_atom]},
+     {error_report,["error string"]},
+     {error_report,[[{error_tag,value},error_value]]},
+
+     {info_msg,["Pure info string\n",[]]},
+     {info_msg,["Pure info string with error ~p\n",[]]},
+     {info_msg,["Pure string with ~p\n", [format]]},
+     {info_msg,["Pure string with bad format ~p\n", []]},
+
+     {info_report,[info_atom]},
+     {info_report,["info string"]},
+     {info_report,[[{info_tag,value},info_value]]},
+
+     {warning_msg,["Pure warning string\n",[]]},
+     {warning_msg,["Pure warning string with error ~p\n",[]]},
+     {warning_msg,["Warning string with ~p\n", [format]]},
+     {warning_msg,["Warning string with bad format ~p\n", []]},
+
+     {warning_report,[warning_atom]},
+     {warning_report,["warning string"]},
+     {warning_report,[[{warning_tag,value},warning_value]]},
+
+     %% Bigger terms.
+     {error_msg,["fairly big: ~p\n",[lists:seq(1, 128)]]},
+     {error_report,[list_to_tuple(lists:seq(1, 100))]},
+     {error_report,[lists:seq(32, 126)]},
+     {error_report,[[{tag,lists:seq(1, 64)}]]}
+    ].
+
+gen_events(Ev) ->
+    io:format("node = ~p\n", [node()]),
+    io:format("group leader = ~p\n", [group_leader()]),
+    io:format("~p\n", [gen_event:which_handlers(error_logger)]),
+    call_error_logger(Ev),
+
+    {Pid,Ref} = spawn_monitor(fun() -> error(ouch) end),
+    receive
+	{'DOWN',Ref,process,Pid,_} ->
+	    ok
+    end,
+
+    %% The following calls with a custom type will be ignored.
+    error_logger:error_report(ignored, value),
+    error_logger:warning_report(ignored, value),
+    error_logger:info_report(ignored, value),
+    receive after 100 -> ok end,
+    ok.
+
+analyse_events(Log, Ev, AtNode, Depth) ->
+    {ok,Bin} = file:read_file(Log),
+
+    io:format("*** Contents of log file ***\n\n~s\n", [Bin]),
+
+    Lines = binary:split(Bin, <<"\n">>, [global,trim_all]),
+    io:format("~p\n", [Lines]),
+
+    Rest = match_output(Ev, Lines, AtNode, Depth),
+    io:format("~p\n", [Rest]),
+
+    [] = match_emulator_error(Rest),
+    ok.
+
+
+call_error_logger([{F,Args}|T]) ->
+    apply(error_logger, F, Args),
+    call_error_logger(T);
+call_error_logger([]) -> ok.
+
+
+match_emulator_error([Head,Second,Third,_|Lines]) ->
+    match_head(<<"ERROR">>, Head),
+    {match,[{0,_}]} = re:run(Second,
+			   "^Error in process <\\d+[.]\\d+[.]\\d+> on "
+			   "node [^ ]* with exit value:"),
+    {match,[{0,_}]} = re:run(Third, "^[{]ouch,"),
+    Lines.
+
+match_output([Item|T], Lines0, AtNode, Depth) ->
+    try match_item(Item, Lines0, AtNode, Depth) of
+	Lines ->
+	    match_output(T, Lines, AtNode, Depth)
+    catch
+	C:E ->
+	    Stk = erlang:get_stacktrace(),
+	    io:format("ITEM: ~p", [Item]),
+	    io:format("LINES: ~p", [Lines0]),
+	    erlang:raise(C, E, Stk)
+    end;
+match_output([], Lines, _, _) -> Lines.
+
+match_item(Item, Lines, AtNode, Depth) ->
+    case item_type(Item) of
+	{msg,Head,Args} ->
+	    match_format(Head, Args, Lines, AtNode, Depth);
+	{report,Head,Args} ->
+	    match_term(Head, Args, Lines, AtNode, Depth)
+    end.
+
+item_type({error_msg,Args}) ->
+    {msg,<<"ERROR">>,Args};
+item_type({info_msg,Args}) ->
+    {msg,<<"INFO">>,Args};
+item_type({warning_msg,Args}) ->
+    {msg,<<"WARNING">>,Args};
+item_type({error_report,Args}) ->
+    {report,<<"ERROR">>,Args};
+item_type({info_report,Args}) ->
+    {report,<<"INFO">>,Args};
+item_type({warning_report,Args}) ->
+    {report,<<"WARNING">>,Args}.
+
+match_format(Tag, [Format,Args], [Head|Lines], AtNode, Depth) ->
+    match_head(Tag, Head),
+    Bin = try dl_format(Depth, Format, Args) of
+	      Str ->
+		  iolist_to_binary(Str)
+    catch
+	_:_ ->
+	    S = dl_format(Depth, "ERROR: ~p - ~p~n", [Format,Args]),
+	    iolist_to_binary(S)
+    end,
+    Expected0 = binary:split(Bin, <<"\n">>, [global,trim]),
+    Expected = Expected0 ++ AtNode,
+    match_term_lines(Expected, Lines).
+
+match_term(Tag, [Arg], [Head|Lines], AtNode, Depth) ->
+    match_head(Tag, Head),
+    Expected0 = match_term_get_expected(Arg, Depth),
+    Expected = Expected0 ++ AtNode,
+    match_term_lines(Expected, Lines).
+
+match_term_get_expected(List, Depth) when is_list(List) ->
+    Bin = try iolist_to_binary(dl_format(Depth, "~s\n", [List])) of
+	      Bin0 -> Bin0
+	  catch
+	      _:_ ->
+		  iolist_to_binary(format_rep(List, Depth))
+	  end,
+    binary:split(Bin, <<"\n">>, [global,trim]);
+match_term_get_expected(Term, Depth) ->
+    S = dl_format(Depth, "~p\n", [Term]),
+    Bin = iolist_to_binary(S),
+    binary:split(Bin, <<"\n">>, [global,trim]).
+
+format_rep([{Tag,Data}|Rep], Depth) ->
+    [dl_format(Depth, "    ~p: ~p\n", [Tag,Data])|
+     format_rep(Rep, Depth)];
+format_rep([Other|Rep], Depth) ->
+    [dl_format(Depth, "    ~p\n", [Other])|
+     format_rep(Rep, Depth)];
+format_rep([], _Depth) -> [].
+
+match_term_lines([Line|T], [Line|Lines]) ->
+    match_term_lines(T, Lines);
+match_term_lines([], Lines) -> Lines.
+
+match_head(Tag, Head) ->
+    Re = <<"^=",Tag/binary,
+	   " REPORT==== \\d\\d?-[A-Z][a-z][a-z]-\\d{4}::"
+	   "\\d\\d:\\d\\d:\\d\\d ===$">>,
+    {match,_} = re:run(Head, Re).
+
+start_node(Name, Args) ->
+    case test_server:start_node(Name, slave, [{args,Args}]) of
+	{ok,Node} ->
+	    {ok,Node};
+	Error  ->
+	    test_server:fail(Error)
+    end.
+
+cleanup(File) ->
+    %% The point of this test case is not to test file operations.
+    %% Therefore ignore any failures.
+    case file:delete(File) of
+	ok ->
+	    ok;
+	{error,Error1} ->
+	    io:format("file:delete(~s) failed with error ~p",
+		      [File,Error1])
+    end,
+    Dir = filename:dirname(File),
+    case file:del_dir(Dir) of
+	ok ->
+	    ok;
+	{error,Error2} ->
+	    io:format("file:del_dir(~s) failed with error ~p",
+		      [Dir,Error2])
+    end,
+    ok.
+
+
+%% Depth-limited io_lib:format. Intentionally implemented here instead
+%% of using io_lib:scan_format/2 to avoid using the same implementation
+%% as in the error_logger handlers.
+
+dl_format(unlimited, Format, Args) ->
+    io_lib:format(Format, Args);
+dl_format(Depth, Format0, Args0) ->
+    {Format,Args} = dl_format_1(Format0, Args0, Depth, [], []),
+    io_lib:format(Format, Args).
+
+dl_format_1("~p"++Fs, [A|As], Depth, Facc, Acc) ->
+    dl_format_1(Fs, As, Depth, [$P,$~|Facc], [Depth,A|Acc]);
+dl_format_1("~w"++Fs, [A|As], Depth, Facc, Acc) ->
+    dl_format_1(Fs, As, Depth, [$W,$~|Facc], [Depth,A|Acc]);
+dl_format_1("~s"++Fs, [A|As], Depth, Facc, Acc) ->
+    dl_format_1(Fs, As, Depth, [$s,$~|Facc], [A|Acc]);
+dl_format_1([F|Fs], As, Depth, Facc, Aacc) ->
+    dl_format_1(Fs, As, Depth, [F|Facc], Aacc);
+dl_format_1([], [], _, Facc, Aacc) ->
+    {lists:reverse(Facc),lists:reverse(Aacc)}.
+
+%%%
+%%% Our own event handler. There is no way to intercept the output
+%%% from error_logger_tty_h, but we can use the same code by
+%%% calling error_logger_tty_h:write_event/2.
+%%%
+
+init({_,_}=St) ->
+    {ok,St}.
+
+handle_event(Event, {Fd,Depth}=St) ->
+    case error_logger_tty_h:write_event(tag_event(Event), io_lib, Depth) of
+	ok ->
+	    ok;
+	Str when is_list(Str) ->
+	    io:put_chars(Fd, Str)
+    end,
+    {ok,St}.
+
+terminate(_Reason, {Fd,_}) ->
+    ok = file:close(Fd),
+    [].
+
+tag_event(Event) ->
+    {erlang:universaltime(),Event}.
diff --git a/lib/stdlib/test/gen_event_SUITE.erl b/lib/stdlib/test/gen_event_SUITE.erl
index 7a6fcba4e5..b019f98b69 100644
--- a/lib/stdlib/test/gen_event_SUITE.erl
+++ b/lib/stdlib/test/gen_event_SUITE.erl
@@ -412,7 +412,6 @@ notify(Config) when is_list(Config) ->
 		  ok
 	  end,
     ?line ok = gen_event:notify(my_dummy_handler, {swap_event,dummy1_h,swap}),
-    ?t:sleep(1000),
     ?line [dummy1_h] = gen_event:which_handlers(my_dummy_handler),
     ?line ok = gen_event:notify(my_dummy_handler, Event),
     ?line receive
@@ -445,7 +444,6 @@ notify(Config) when is_list(Config) ->
 	  end,
     ?line ok = gen_event:notify(my_dummy_handler,
 				{swap_event, {dummy1_h, 9}, swap}),
-    ?t:sleep(1000),
     ?line [{dummy1_h,9}] = gen_event:which_handlers(my_dummy_handler),
     ?line ok = gen_event:notify(my_dummy_handler, Event),
     ?line receive
@@ -485,7 +483,6 @@ notify(Config) when is_list(Config) ->
 
     ?line ok = gen_event:add_sup_handler(my_dummy_handler, dummy_h, [self()]),
     ?line ok = gen_event:notify(my_dummy_handler, {swap_event,dummy1_h,swap}),
-    ?t:sleep(1000),
     ?line [dummy1_h] = gen_event:which_handlers(my_dummy_handler),
 
     ?line ok = gen_event:notify(my_dummy_handler, do_crash),
@@ -496,7 +493,6 @@ notify(Config) when is_list(Config) ->
 
     ?line ok = gen_event:add_sup_handler(my_dummy_handler, dummy_h, [self()]),
     ?line ok = gen_event:notify(my_dummy_handler, {swap_event,dummy1_h,swap}),
-    ?t:sleep(1000),
     ?line [dummy1_h] = gen_event:which_handlers(my_dummy_handler),
 
     ?line ok = gen_event:notify(my_dummy_handler, delete_event),
@@ -529,7 +525,6 @@ sync_notify(Config) when is_list(Config) ->
 	  end,
     ?line ok = gen_event:sync_notify(my_dummy_handler,
 				     {swap_event, dummy1_h, swap}),
-    ?t:sleep(1000),
     ?line [dummy1_h] = gen_event:which_handlers(my_dummy_handler),
     ?line ok = gen_event:sync_notify(my_dummy_handler, Event),
     ?line receive
@@ -562,7 +557,6 @@ sync_notify(Config) when is_list(Config) ->
 	  end,
     ?line ok = gen_event:sync_notify(my_dummy_handler,
 				     {swap_event, {dummy1_h, 9}, swap}),
-    ?t:sleep(1000),
     ?line [{dummy1_h,9}] = gen_event:which_handlers(my_dummy_handler),
     ?line ok = gen_event:sync_notify(my_dummy_handler, Event),
     ?line receive
@@ -603,7 +597,6 @@ sync_notify(Config) when is_list(Config) ->
     ?line ok = gen_event:add_sup_handler(my_dummy_handler, dummy_h, [self()]),
     ?line ok = gen_event:sync_notify(my_dummy_handler,
 				     {swap_event,dummy1_h,swap}),
-    ?t:sleep(1000),
     ?line [dummy1_h] = gen_event:which_handlers(my_dummy_handler),
 
     ?line ok = gen_event:sync_notify(my_dummy_handler, do_crash),
@@ -615,7 +608,6 @@ sync_notify(Config) when is_list(Config) ->
     ?line ok = gen_event:add_sup_handler(my_dummy_handler, dummy_h, [self()]),
     ?line ok = gen_event:sync_notify(my_dummy_handler,
 				     {swap_event,dummy1_h,swap}),
-    ?t:sleep(1000),
     ?line [dummy1_h] = gen_event:which_handlers(my_dummy_handler),
 
     ?line ok = gen_event:sync_notify(my_dummy_handler, delete_event),
@@ -789,7 +781,6 @@ info(Config) when is_list(Config) ->
 		  ok
 	  end,
     ?line my_dummy_handler ! {swap_info,dummy1_h,swap},
-    ?t:sleep(1000),
     ?line [dummy1_h] = gen_event:which_handlers(my_dummy_handler),
     ?line my_dummy_handler ! Info,
     ?line receive
@@ -821,7 +812,6 @@ info(Config) when is_list(Config) ->
 		  ok
 	  end,
     ?line my_dummy_handler ! {swap_info,{dummy1_h,2},swap},
-    ?t:sleep(1000),
     ?line [{dummy1_h,2}] = gen_event:which_handlers(my_dummy_handler),
     ?line my_dummy_handler ! Info,
     ?line receive
@@ -853,7 +843,6 @@ info(Config) when is_list(Config) ->
 		  ok
 	  end,
     ?line my_dummy_handler ! {swap_info,dummy1_h,swap},
-    ?t:sleep(1000),
     ?line [dummy1_h] = gen_event:which_handlers(my_dummy_handler),
     ?line my_dummy_handler ! Info,
     ?line receive
diff --git a/lib/stdlib/test/id_transform_SUITE.erl b/lib/stdlib/test/id_transform_SUITE.erl
index 41de016f8d..1cff990697 100644
--- a/lib/stdlib/test/id_transform_SUITE.erl
+++ b/lib/stdlib/test/id_transform_SUITE.erl
@@ -56,47 +56,26 @@ end_per_group(_GroupName, Config) ->
 
 id_transform(doc) -> "Test erl_id_trans.";
 id_transform(Config) when is_list(Config) ->
-    ?line File=filename:join([code:lib_dir(stdlib),"examples",
-			      "erl_id_trans.erl"]),
-    ?line {ok,erl_id_trans,Bin}=compile:file(File,[binary]),
-    ?line {module,erl_id_trans}=code:load_binary(erl_id_trans,File,Bin),
-    ?line case test_server:purify_is_running() of
-	      false ->
-		  Dog = ct:timetrap(?t:hours(1)),
-		  ?line Res = run_in_test_suite(),
-		  ?t:timetrap_cancel(Dog),
-		  Res;
-	      true ->
-		  {skip,"Purify (too slow)"}
-	  end.
+    File = filename:join([code:lib_dir(stdlib),"examples",
+			"erl_id_trans.erl"]),
+    {ok,erl_id_trans,Bin} = compile:file(File,[binary]),
+    {module,erl_id_trans} = code:load_binary(erl_id_trans, File, Bin),
+    case test_server:purify_is_running() of
+	false ->
+	    Dog = ct:timetrap(?t:hours(1)),
+	    Res = run_in_test_suite(),
+	    ?t:timetrap_cancel(Dog),
+	    Res;
+	true ->
+	    {skip,"Valgrind (too slow)"}
+    end.
 
 run_in_test_suite() ->
-    LibDir = code:lib_dir(),
     SuperDir = filename:dirname(filename:dirname(code:which(?MODULE))),
     TestDirs = filelib:wildcard(filename:join([SuperDir,"*_test"])),
-    {All,Res} = case LibDir of
-		    "/clearcase/otp/erts/lib" ->
-			%% Only test_suites 'cause clearcase is too slow...
-			{false,run_list(TestDirs)};
-		    _ ->
-			{true,run_codepath_and(TestDirs)}
-		end,
-    Comment0 = case All of
-		   true -> [];
-		   false -> "Only testsuite directories traversed"
-	       end,
-    case Res of
-	{error,Reason} when Comment0 =/= [] ->
-	    {failed,Comment0++"; "++Reason};
-	{error,Reason} ->
-	    {failed,Reason};
-	ok ->
-	    {comment,Comment0}
-    end.
-
-run_codepath_and(DirList) ->
     AbsDirs = [filename:absname(X) || X <- code:get_path()],
-    run_list(ordsets:from_list([X || X <- AbsDirs] ++ DirList)).
+    Dirs = ordsets:from_list(AbsDirs ++ TestDirs),
+    run_list(Dirs).
 
 run_list(PathL) ->
     io:format("Where to search for beam files:\n~p\n", [PathL]),
@@ -123,7 +102,7 @@ run_list(PathL) ->
     end,
     case length(SevereFailures) of
 	0 -> ok;
-	Len -> {error,integer_to_list(Len)++" failures"}
+	Len -> {failed,integer_to_list(Len)++" failures"}
     end.
     
 
diff --git a/lib/stdlib/test/io_SUITE.erl b/lib/stdlib/test/io_SUITE.erl
index 5df09b6a79..0e897631ff 100644
--- a/lib/stdlib/test/io_SUITE.erl
+++ b/lib/stdlib/test/io_SUITE.erl
@@ -29,10 +29,11 @@
          manpage/1, otp_6708/1, otp_7084/1, otp_7421/1,
 	 io_lib_collect_line_3_wb/1, cr_whitespace_in_string/1,
 	 io_fread_newlines/1, otp_8989/1, io_lib_fread_literal/1,
-	 printable_range/1,
+	 printable_range/1, bad_printable_range/1,
 	 io_lib_print_binary_depth_one/1, otp_10302/1, otp_10755/1,
          otp_10836/1, io_lib_width_too_small/1,
-         io_with_huge_message_queue/1, format_string/1]).
+         io_with_huge_message_queue/1, format_string/1,
+	 maps/1, coverage/1]).
 
 -export([pretty/2]).
 
@@ -70,10 +71,10 @@ all() ->
      manpage, otp_6708, otp_7084, otp_7421,
      io_lib_collect_line_3_wb, cr_whitespace_in_string,
      io_fread_newlines, otp_8989, io_lib_fread_literal,
-     printable_range,
+     printable_range, bad_printable_range,
      io_lib_print_binary_depth_one, otp_10302, otp_10755, otp_10836,
      io_lib_width_too_small, io_with_huge_message_queue,
-     format_string].
+     format_string, maps, coverage].
 
 groups() -> 
     [].
@@ -2062,8 +2063,6 @@ printable_range(Suite) when is_list(Suite) ->
 					 [{args, " +pclatin1 -pa " ++ Pa}]),
     unicode = rpc:call(UNode,io,printable_range,[]),
     latin1 = rpc:call(LNode,io,printable_range,[]),
-    {error, _} = test_server:start_node(printable_range_unnicode, slave,
-					[{args, " +pcunnicode -pa " ++ Pa}]),
     PrettyOptions = [{column,1},
 		     {line_length,109},
 		     {depth,30},
@@ -2071,48 +2070,69 @@ printable_range(Suite) when is_list(Suite) ->
 		     {record_print_fun,
 		      fun(_,_) -> no end},
 		     {encoding,unicode}],
-    1025 = lists:max(lists:flatten(rpc:call(UNode,io_lib_pretty,print,
-					    [{hello, [1024,1025]},
-					     PrettyOptions]))),
-    125 = lists:max(lists:flatten(rpc:call(LNode,io_lib_pretty,print,
-					   [{hello, [1024,1025]},
-					    PrettyOptions]))),
-    125 = lists:max(lists:flatten(rpc:call(DNode,io_lib_pretty,print,
-					   [{hello, [1024,1025]},
-					    PrettyOptions]))),
-    1025 = lists:max(lists:flatten(rpc:call(UNode,io_lib_pretty,print,
-					    [{hello, <<1024/utf8,1025/utf8>>},
-					     PrettyOptions]))),
-    125 = lists:max(lists:flatten(rpc:call(LNode,io_lib_pretty,print,
-					   [{hello, <<1024/utf8,1025/utf8>>},
-					    PrettyOptions]))),
-    125 = lists:max(lists:flatten(rpc:call(DNode,io_lib_pretty,print,
-					   [{hello, <<1024/utf8,1025/utf8>>},
-					    PrettyOptions]))),
+    PrintableControls = "\t\v\b\f\e\r\n",
+
+    1025 = print_max(UNode, [{hello, [1024,1025]},
+			     PrettyOptions]),
+    125 = print_max(LNode,  [{hello, [1024,1025]},
+			     PrettyOptions]),
+    125 = print_max(DNode,  [{hello, [1024,1025]},
+			     PrettyOptions]),
+    1025 = print_max(UNode, [{hello, <<1024/utf8,1025/utf8>>},
+			     PrettyOptions]),
+    125 = print_max(LNode,  [{hello, <<1024/utf8,1025/utf8>>},
+			     PrettyOptions]),
+    125 = print_max(DNode,  [{hello, <<1024/utf8,1025/utf8>>},
+			     PrettyOptions]),
+    $v = print_max(UNode, [PrintableControls,PrettyOptions]),
+    $v = print_max(LNode, [PrintableControls,PrettyOptions]),
+    $v = print_max(DNode, [PrintableControls,PrettyOptions]),
+    16#10FFFF = print_max(UNode,
+			  [<<16#10FFFF/utf8,"\t\v\b\f\e\r\n">>,
+			   PrettyOptions]),
+    $> = print_max(LNode,
+		   [<<16#10FFFF/utf8,"\t\v\b\f\e\r\n">>,
+		    PrettyOptions]),
+    $> = print_max(DNode,
+		   [<<16#10FFFF/utf8,"\t\v\b\f\e\r\n">>,
+		    PrettyOptions]),
     
-    1025 = lists:max(lists:flatten(rpc:call(UNode,io_lib,format,
-					    ["~tp",[{hello, [1024,1025]}]]))),
-    125 = lists:max(lists:flatten(rpc:call(LNode,io_lib,format,
-					   ["~tp",[{hello, [1024,1025]}]]))),
-    125 = lists:max(lists:flatten(rpc:call(DNode,io_lib,format,
-					   ["~tp",[{hello, [1024,1025]}]]))),
-    1025 = lists:max(lists:flatten(rpc:call(UNode,io_lib,format,
-					    ["~tp",
-					     [{hello, 
-					       <<1024/utf8,1025/utf8>>}]]))),
-    125 = lists:max(lists:flatten(rpc:call(LNode,io_lib,format,
-					   ["~tp",
-					    [{hello,
-					      <<1024/utf8,1025/utf8>>}]]))),
-    125 = lists:max(lists:flatten(rpc:call(DNode,io_lib,format,
-					   ["~tp",
-					    [{hello,
-					      <<1024/utf8,1025/utf8>>}]]))),
+    1025 = format_max(UNode, ["~tp", [{hello, [1024,1025]}]]),
+    125 = format_max(LNode,  ["~tp", [{hello, [1024,1025]}]]),
+    125 = format_max(DNode,  ["~tp", [{hello, [1024,1025]}]]),
+    1025 = format_max(UNode, ["~tp", [{hello, <<1024/utf8,1025/utf8>>}]]),
+    125 = format_max(LNode,  ["~tp", [{hello, <<1024/utf8,1025/utf8>>}]]),
+    125 = format_max(DNode,  ["~tp", [{hello, <<1024/utf8,1025/utf8>>}]]),
+
+    $\e = format_max(UNode, ["~ts", [PrintableControls]]),
+    $\e = format_max(LNode, ["~ts", [PrintableControls]]),
+    $\e = format_max(DNode, ["~ts", [PrintableControls]]),
+
     test_server:stop_node(UNode),
     test_server:stop_node(LNode),
     test_server:stop_node(DNode),
     ok.
 
+print_max(Node, Args) ->
+    rpc_call_max(Node, io_lib_pretty, print, Args).
+
+format_max(Node, Args) ->
+    rpc_call_max(Node, io_lib, format, Args).
+
+rpc_call_max(Node, M, F, Args) ->
+    lists:max(lists:flatten(rpc:call(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"]),
+    case os:cmd(Cmd) of
+	"bad range of printable characters" ++ _ ->
+	    ok;
+	String ->
+	    io:format("~s\n", [String]),
+	    ?t:fail()
+    end.
+
 io_lib_print_binary_depth_one(doc) ->
     "Test binaries printed with a depth of one behave correctly";
 io_lib_print_binary_depth_one(Suite) when is_list(Suite) ->
@@ -2225,7 +2245,7 @@ compile_file(File, Text, Config) ->
     after ok %file:delete(Fname)
     end.
 
-io_lib_width_too_small(Config) ->
+io_lib_width_too_small(_Config) ->
     "**" = lists:flatten(io_lib:format("~2.3w", [3.14])),
     "**" = lists:flatten(io_lib:format("~2.5w", [3.14])),
     ok.
@@ -2271,8 +2291,113 @@ writes(N, F1) ->
     file:write(F1, "hello\n"),
     writes(N - 1, F1).
 
-format_string(Config) ->
+format_string(_Config) ->
     %% All but padding is tested by fmt/2.
     "xxxxxxsssx" = fmt("~10.4.xs", ["sss"]),
     "xxxxxxsssx" = fmt("~10.4.*s", [$x, "sss"]),
     ok.
+
+maps(_Config) ->
+    %% Note that order in which a map is printed is arbitrary.  In
+    %% practice, small maps (non-HAMT) are printed in key order, but
+    %% the breakpoint for creating big maps (HAMT) is lower in the
+    %% debug-compiled run-time system than in the optimized run-time
+    %% system.
+    %%
+    %% Therefore, play it completely safe by not assuming any order
+    %% in a map with more than one element.
+
+    "#{}" = fmt("~w", [#{}]),
+    "#{a=>b}" = fmt("~w", [#{a=>b}]),
+    re_fmt(<<"#\\{(a=>b|c=>d),[.][.][.]=>[.][.][.]\\}">>,
+	     "~W", [#{a=>b,c=>d},2]),
+    re_fmt(<<"#\\{(a=>b|c=>d|e=>f),[.][.][.]=>[.][.][.],[.][.][.]\\}">>,
+	   "~W", [#{a=>b,c=>d,e=>f},2]),
+
+    "#{}" = fmt("~p", [#{}]),
+    "#{a => b}" = fmt("~p", [#{a=>b}]),
+    "#{...}" = fmt("~P", [#{a=>b},1]),
+    re_fmt(<<"#\\{(a => b|c => d),[.][.][.]\\}">>,
+	   "~P", [#{a=>b,c=>d},2]),
+    re_fmt(<<"#\\{(a => b|c => d|e => f),[.][.][.]\\}">>,
+	   "~P", [#{a=>b,c=>d,e=>f},2]),
+
+    List = [{I,I*I} || I <- lists:seq(1, 20)],
+    Map = maps:from_list(List),
+
+    "#{...}" = fmt("~P", [Map,1]),
+
+    %% Print a map and parse it back to a map.
+    S = fmt("~p\n", [Map]),
+    io:format("~p\n", [S]),
+    Map = parse_map(S),
+
+    %% Smoke test of a map as key.
+    MapAsKey = #{Map => "value"},
+    io:format("~s\n", [fmt("~p", [MapAsKey])]),
+    ok.
+
+re_fmt(Pattern, Format, Args) ->
+    S = list_to_binary(fmt(Format, Args)),
+    case re:run(S, Pattern, [{capture,none}]) of
+	nomatch ->
+	    io:format("Pattern: ~s", [Pattern]),
+	    io:format("Result:  ~s", [S]),
+	    ?t:fail();
+	match ->
+	    ok
+    end.
+
+%% Parse a map consisting of integer keys and values.
+parse_map(S0) ->
+    S1 = parse_expect(S0, "#{"),
+    {M,S2} = parse_map_1(S1),
+    S = parse_expect(S2, "}"),
+    S = "",
+    M.
+
+parse_map_1(S0) ->
+    {Key,S1} = parse_number(S0),
+    S2 = parse_expect(S1, "=>"),
+    {Val,S3} = parse_number(S2),
+    case S3 of
+	","++S4 ->
+	    S5 = parse_skip_ws(S4),
+	    {Map,S} = parse_map_1(S5),
+	    {Map#{Key=>Val},S};
+	S ->
+	    {#{Key=>Val},S}
+    end.
+
+parse_number(S) ->
+    parse_number(S, none).
+
+parse_number([C|S], Acc0) when $0 =< C, C =< $9 ->
+    Acc = case Acc0 of
+	      none -> 0;
+	      _ when is_integer(Acc0) -> Acc0
+	  end,
+    parse_number(S, Acc*10+C-$0);
+parse_number(S, Acc) ->
+    {Acc,parse_skip_ws(S)}.
+
+parse_expect([H|T1], [H|T2]) ->
+    parse_expect(T1, T2);
+parse_expect(S, []) ->
+    parse_skip_ws(S).
+
+parse_skip_ws([C|S]) when C =< $\s ->
+    parse_skip_ws(S);
+parse_skip_ws(S) ->
+    S.
+
+%% Cover the last uncovered lines for completeness.
+coverage(_Config) ->
+    S1 = io_lib_pretty:print({a,term}, fun(_, _) -> no end),
+    io:format("~s\n", [S1]),
+
+    %% The tuple of arity three will be ignored.
+    S2 = io_lib_pretty:print(lists:seq(1, 100), [{depth,1,1}]),
+    io:format("~s\n", [S2]),
+
+    ok.
diff --git a/lib/stdlib/test/io_proto_SUITE.erl b/lib/stdlib/test/io_proto_SUITE.erl
index 1337b7dde2..811c7ed7bb 100644
--- a/lib/stdlib/test/io_proto_SUITE.erl
+++ b/lib/stdlib/test/io_proto_SUITE.erl
@@ -1378,47 +1378,43 @@ rtnode(C,N) ->
 rtnode(Commands,Nodename,ErlPrefix) ->
     rtnode(Commands,Nodename,ErlPrefix,[]).
 rtnode(Commands,Nodename,ErlPrefix,Extra) ->
-    ?line case get_progs() of
-	      {error,_Reason} ->
-		  ?line {skip,"No runerl present"};
-	      {RunErl,ToErl,Erl} ->
-		  ?line case create_tempdir() of
-			    {error, Reason2} ->
-				?line {skip, Reason2};
-			    Tempdir ->
-				?line SPid = 
-				    start_runerl_node(RunErl,ErlPrefix++
-							  "\\\""++Erl++"\\\"",
-						      Tempdir,Nodename, Extra),
-				?line CPid = start_toerl_server(ToErl,Tempdir),
-				?line erase(getline_skipped),
-				?line Res = 
-				    (catch get_and_put(CPid, Commands,1)),
-				?line case stop_runerl_node(CPid) of
-					  {error,_} ->
-					      ?line CPid2 = 
-						  start_toerl_server
-						    (ToErl,Tempdir),
-					      ?line erase(getline_skipped),
-					      ?line ok = get_and_put
-							   (CPid2, 
-							    [{putline,[7]},
-							     {sleep,
-							      timeout(short)},
-							     {putline,""},
-							     {getline," -->"},
-							     {putline,"s"},
-							     {putline,"c"},
-							     {putline,""}],1),
-					      ?line stop_runerl_node(CPid2);
-					  _ ->
-					      ?line ok
-				      end,
-				?line wait_for_runerl_server(SPid),
-				?line ok = ?RM_RF(Tempdir),
-				?line ok = Res
-			end
-	  end.
+    case get_progs() of
+	{error,_Reason} ->
+	    {skip,"No runerl present"};
+	{RunErl,ToErl,Erl} ->
+	    case create_tempdir() of
+		{error, Reason2} ->
+		    {skip, Reason2};
+		Tempdir ->
+		    SPid = start_runerl_node(RunErl, ErlPrefix++
+						 "\\\""++Erl++"\\\"",
+					     Tempdir, Nodename, Extra),
+		    CPid = start_toerl_server(ToErl, Tempdir),
+		    put(getline_skipped, []),
+		    Res = (catch get_and_put(CPid, Commands, 1)),
+		    case stop_runerl_node(CPid) of
+			{error,_} ->
+			    CPid2 = start_toerl_server(ToErl, Tempdir),
+			    put(getline_skipped, []),
+			    ok = get_and_put
+				   (CPid2,
+				    [{putline,[7]},
+				     {sleep,
+				      timeout(short)},
+				     {putline,""},
+				     {getline," -->"},
+				     {putline,"s"},
+				     {putline,"c"},
+				     {putline,""}], 1),
+			    stop_runerl_node(CPid2);
+			_ ->
+			    ok
+		    end,
+		    wait_for_runerl_server(SPid),
+		    ok = ?RM_RF(Tempdir),
+		    ok = Res
+	    end
+    end.
 
 timeout(long) ->
     2 * timeout(normal);
@@ -1462,57 +1458,51 @@ get_and_put(CPid, [{sleep, X}|T],N) ->
     after X ->
 	    get_and_put(CPid,T,N+1)
     end;
-get_and_put(CPid, [{getline, Match}|T],N) ->
+get_and_put(CPid, [{getline_pred,Pred,Msg}|T]=T0, N)
+  when is_function(Pred) ->
     ?dbg({getline, Match}),
     CPid ! {self(), {get_line, timeout(normal)}},
     receive
 	{get_line, timeout} ->
 	    error_logger:error_msg("~p: getline timeout waiting for \"~s\" "
 				   "(command number ~p, skipped: ~p)~n",
-				   [?MODULE, Match,N,get(getline_skipped)]),
+				   [?MODULE,Msg,N,get(getline_skipped)]),
 	    {error, timeout};
 	{get_line, Data} ->
 	    ?dbg({data,Data}),
-	    case lists:prefix(Match, Data) of
-		true ->
-		    erase(getline_skipped),
+	    case Pred(Data) of
+		yes ->
+		    put(getline_skipped, []),
 		    get_and_put(CPid, T,N+1);
-		false ->
-		    case get(getline_skipped) of
-			undefined ->
-			    put(getline_skipped,[Data]);
-			List ->
-			    put(getline_skipped,List ++ [Data])
-		    end,
-		    get_and_put(CPid,  [{getline, Match}|T],N)
+		no ->
+		    error_logger:error_msg("~p: getline match failure "
+					   "\"~s\" "
+					   "(command number ~p)\n",
+					   [?MODULE,Msg,N]),
+		    {error, no_match};
+		maybe ->
+		    List = get(getline_skipped),
+		    put(getline_skipped, List ++ [Data]),
+		    get_and_put(CPid, T0, N)
 	    end
     end;
+get_and_put(CPid, [{getline, Match}|T],N) ->
+    ?dbg({getline, Match}),
+    F = fun(Data) ->
+		case lists:prefix(Match, Data) of
+		    true -> yes;
+		    false -> maybe
+		end
+	end,
+    get_and_put(CPid, [{getline_pred,F,Match}|T], N);
 get_and_put(CPid, [{getline_re, Match}|T],N) ->
-    ?dbg({getline_re, Match}),
-    CPid ! {self(), {get_line, timeout(normal)}},
-    receive
-	{get_line, timeout} ->
-	    error_logger:error_msg("~p: getline_re timeout waiting for \"~s\" "
-				   "(command number ~p, skipped: ~p)~n",
-				   [?MODULE, Match,N,get(getline_skipped)]),
-	    {error, timeout};
-	{get_line, Data} ->
-	    ?dbg({data,Data}),
-	    case re:run(Data, Match,[{capture,none}]) of
-		match ->
-		    erase(getline_skipped),
-		    get_and_put(CPid, T,N+1);
-		_ ->
-		    case get(getline_skipped) of
-			undefined ->
-			    put(getline_skipped,[Data]);
-			List ->
-			    put(getline_skipped,List ++ [Data])
-		    end,
-		    get_and_put(CPid,  [{getline_re, Match}|T],N)
-	    end
-    end;
-
+    F = fun(Data) ->
+		case re:run(Data, Match, [{capture,none}]) of
+		    match -> yes;
+		    _ -> maybe
+		end
+	end,
+    get_and_put(CPid, [{getline_pred,F,Match}|T], N);
 get_and_put(CPid, [{putline_raw, Line}|T],N) ->
     ?dbg({putline_raw, Line}),
     CPid ! {self(), {send_line, Line}},
@@ -1801,10 +1791,22 @@ get_data_within(Port, Timeout, Acc) ->
     end.
 
 get_default_shell() ->
+    Match = fun(Data) ->
+		    case lists:prefix("undefined", Data) of
+			true ->
+			    yes;
+			false ->
+			    case re:run(Data, "<\\d+[.]\\d+[.]\\d+>",
+					[{capture,none}]) of
+				match -> no;
+				_ -> maybe
+			    end
+		    end
+	    end,
     try
 	rtnode([{putline,""},
 		{putline, "whereis(user_drv)."},
-		{getline, "undefined"}],[]),
+		{getline_pred, Match, "matching of user_drv pid"}], []),
 	old
     catch _E:_R ->
 	    ?dbg({_E,_R}),
diff --git a/lib/stdlib/test/lists_SUITE.erl b/lib/stdlib/test/lists_SUITE.erl
index e886a797f0..a0f7fd2744 100644
--- a/lib/stdlib/test/lists_SUITE.erl
+++ b/lib/stdlib/test/lists_SUITE.erl
@@ -38,13 +38,13 @@
 % Test cases must be exported.
 -export([member/1, reverse/1,
 	 keymember/1, keysearch_keyfind/1,
-         keystore/1, keytake/1,
+         keystore/1, keytake/1, keyreplace/1,
 	 append_1/1, append_2/1,
 	 seq_loop/1, seq_2/1, seq_3/1, seq_2_e/1, seq_3_e/1,
 	
 	 sublist_2/1, sublist_3/1, sublist_2_e/1, sublist_3_e/1,
 	 flatten_1/1, flatten_2/1, flatten_1_e/1, flatten_2_e/1,
-	 dropwhile/1,
+	 dropwhile/1, takewhile/1,
 	 sort_1/1, sort_stable/1, merge/1, rmerge/1, sort_rand/1,
 	 usort_1/1, usort_stable/1, umerge/1, rumerge/1,usort_rand/1,
 	 keymerge/1, rkeymerge/1,
@@ -62,7 +62,7 @@
 	 zip_unzip/1, zip_unzip3/1, zipwith/1, zipwith3/1,
 	 filter_partition/1, 
 	 otp_5939/1, otp_6023/1, otp_6606/1, otp_7230/1,
-	 suffix/1, subtract/1, droplast/1]).
+	 suffix/1, subtract/1, droplast/1, hof/1]).
 
 %% Sort randomized lists until stopped.
 %%
@@ -81,37 +81,51 @@
 suite() -> [{ct_hooks,[ts_install_cth]}].
 
 all() -> 
-    [{group, append}, reverse, member, keymember,
-     keysearch_keyfind, keystore, keytake, dropwhile, {group,sort},
-     {group, usort}, {group, keysort}, {group, ukeysort},
-     {group, funsort}, {group, ufunsort}, {group, sublist},
-     {group, flatten}, {group, seq}, zip_unzip, zip_unzip3,
-     zipwith, zipwith3, filter_partition, {group, tickets},
-     suffix, subtract].
+    [{group, append},
+     {group, key},
+     {group,sort},
+     {group, usort},
+     {group, keysort},
+     {group, ukeysort},
+     {group, funsort},
+     {group, ufunsort},
+     {group, sublist},
+     {group, flatten},
+     {group, seq},
+     {group, tickets},
+     {group, zip},
+     {group, misc}].
 
 groups() -> 
-    [{append, [], [append_1, append_2]},
-     {usort, [],
+    [{append, [parallel], [append_1, append_2]},
+     {usort, [parallel],
       [umerge, rumerge, usort_1, usort_rand, usort_stable]},
-     {keysort, [],
+     {keysort, [parallel],
       [keymerge, rkeymerge, keysort_1, keysort_rand,
        keysort_i, keysort_stable, keysort_error]},
-     {sort,[],[merge, rmerge, sort_1, sort_rand]},
-     {ukeysort, [],
+     {key, [parallel], [keymember, keysearch_keyfind, keystore,
+			keytake, keyreplace]},
+     {sort,[parallel],[merge, rmerge, sort_1, sort_rand]},
+     {ukeysort, [parallel],
       [ukeymerge, rukeymerge, ukeysort_1, ukeysort_rand,
        ukeysort_i, ukeysort_stable, ukeysort_error]},
-     {funsort, [],
+     {funsort, [parallel],
       [funmerge, rfunmerge, funsort_1, funsort_stable,
        funsort_error, funsort_rand]},
-     {ufunsort, [],
+     {ufunsort, [parallel],
       [ufunmerge, rufunmerge, ufunsort_1, ufunsort_stable,
        ufunsort_error, ufunsort_rand]},
-     {seq, [], [seq_loop, seq_2, seq_3, seq_2_e, seq_3_e]},
-     {sublist, [],
+     {seq, [parallel], [seq_loop, seq_2, seq_3, seq_2_e, seq_3_e]},
+     {sublist, [parallel],
       [sublist_2, sublist_3, sublist_2_e, sublist_3_e]},
-     {flatten, [],
+     {flatten, [parallel],
       [flatten_1, flatten_2, flatten_1_e, flatten_2_e]},
-     {tickets, [], [otp_5939, otp_6023, otp_6606, otp_7230]}].
+     {tickets, [parallel], [otp_5939, otp_6023, otp_6606, otp_7230]},
+     {zip, [parallel], [zip_unzip, zip_unzip3, zipwith, zipwith3]},
+     {misc, [parallel], [reverse, member, dropwhile, takewhile,
+			 filter_partition, suffix, subtract,
+			 hof]}
+    ].
 
 init_per_suite(Config) ->
     Config.
@@ -345,6 +359,33 @@ dropwhile(Config) when is_list(Config) ->
 
     ok.
 
+takewhile(Config) when is_list(Config) ->
+    F = fun(C) -> C =/= $@ end,
+
+    [] = lists:takewhile(F, []),
+    [a] = lists:takewhile(F, [a]),
+    [a,b] = lists:takewhile(F, [a,b]),
+    [a,b,c] = lists:takewhile(F, [a,b,c]),
+
+    [] = lists:takewhile(F, [$@]),
+    [] = lists:takewhile(F, [$@,$@]),
+    [a] = lists:takewhile(F, [a,$@]),
+
+    [$k] = lists:takewhile(F, [$k,$@]),
+    [$k,$l] = lists:takewhile(F, [$k,$l,$@,$@]),
+    [a] = lists:takewhile(F, [a,$@,$@,$@]),
+
+    [] = lists:takewhile(F, [$@,a,$@,b]),
+    [] = lists:takewhile(F, [$@,$@,a,$@,b]),
+    [] = lists:takewhile(F, [$@,$@,$@,a,$@,b]),
+
+    Long = lists:seq(1, 1024),
+    Shorter = lists:seq(1, 400),
+
+    Shorter = lists:takewhile(fun(E) -> E =< 400 end, Long),
+
+    ok.
+
 keystore(doc) ->
     ["OTP-XXX."];
 keystore(suite) -> [];
@@ -382,6 +423,17 @@ keytake(Config) when is_list(Config) ->
     ?line false = lists:keytake(4, 2, L),
     ok.
 
+%% Test lists:keyreplace/4.
+keyreplace(Config) when is_list(Config) ->
+    [{new,42}] = lists:keyreplace(k, 1, [{k,1}], {new,42}),
+    [atom,{new,a,b}] = lists:keyreplace(k, 1, [atom,{k,1}], {new,a,b}),
+    [a,{x,y,z}] = lists:keyreplace(a, 5, [a,{x,y,z}], {no,use}),
+
+    %% Error cases.
+    {'EXIT',_} = (catch lists:keyreplace(k, 1, [], not_tuple)),
+    {'EXIT',_} = (catch lists:keyreplace(k, 0, [], {a,b})),
+    ok.
+
 merge(doc) ->   ["merge functions"];
 merge(suite) -> [];
 merge(Config) when is_list(Config) ->
@@ -2326,19 +2378,25 @@ sublist_3_e(Config) when is_list(Config) ->
 -define(flatten_error1(X), ?line {'EXIT', _} = (catch lists:flatten(X))).
 -define(flatten_error2(X,Y), ?line {'EXIT', _} = (catch lists:flatten(X,Y))).
 
-flatten_1(doc) ->   ["flatten/1"];
-flatten_1(suite) -> [];
+%% Test lists:flatten/1,2 and lists:flatlength/1.
 flatten_1(Config) when is_list(Config) ->
-    ?line [] = lists:flatten([]),
-    ?line [1,2] = lists:flatten([1,2]),
-    ?line [1,2] = lists:flatten([1,[2]]),
-    ?line [1,2] = lists:flatten([[1],2]),
-    ?line [1,2] = lists:flatten([[1],[2]]),
-    ?line [1,2] = lists:flatten([[1,2]]),
-    ?line [a,b,c,d] = lists:flatten([[a],[b,c,[d]]]),
+    [] = lists_flatten([]),
+    [1,2] = lists_flatten([1,2]),
+    [1,2] = lists_flatten([1,[2]]),
+    [1,2] = lists_flatten([[1],2]),
+    [1,2] = lists_flatten([[1],[2]]),
+    [1,2] = lists_flatten([[1,2]]),
+    [a,b,c,d] = lists_flatten([[a],[b,c,[d]]]),
 
     ok.
 
+lists_flatten(List) ->
+    Flat = lists:flatten(List),
+    Flat = lists:flatten(List, []),
+    Len = lists:flatlength(List),
+    Len = length(Flat),
+    Flat.
+
 flatten_1_e(doc) ->   ["flatten/1 error cases"];
 flatten_1_e(suite) -> [];
 flatten_1_e(Config) when is_list(Config) ->
@@ -2351,11 +2409,11 @@ flatten_1_e(Config) when is_list(Config) ->
 %%% clear-cut. Right now, I think that any term should be allowed.
 %%% But I also wish this function didn't exist at all.
 
-flatten_2(doc) ->   ["flatten/2"];
-flatten_2(suite) -> [];
+%% Test lists:flatten/2.
 flatten_2(Config) when is_list(Config) ->
-    ?line [] = lists:flatten([]),
-    ?line [a] = lists:flatten([a]),
+    [] = lists:flatten([], []),
+    [a] = lists:flatten([a], []),
+    [a,b,c,[no,flatten]] = lists:flatten([[a,[b,c]]], [[no,flatten]]),
     ok.
 
 flatten_2_e(doc) ->   ["flatten/2 error cases"];
@@ -2651,3 +2709,40 @@ droplast(Config) when is_list(Config) ->
     ?line {'EXIT', {function_clause, _}} = (catch lists:droplast(x)),
 
     ok.
+
+%% Briefly test the common high-order functions to ensure they
+%% are covered.
+hof(Config) when is_list(Config) ->
+    L = [1,2,3],
+    [1,4,9] = lists:map(fun(N) -> N*N end, L),
+    [1,4,5,6] = lists:flatmap(fun(1) -> [1];
+				 (2) -> [];
+				 (3) -> [4,5,6]
+			      end, L),
+    [{1,[a]},{2,[b]},{3,[c]}] =
+	lists:keymap(fun(A) -> [A] end, 2, [{1,a},{2,b},{3,c}]),
+
+    [1,3] = lists:filter(fun(N) -> N rem 2 =:= 1 end, L),
+    FilterMapFun = fun(1) -> true;
+		      (2) -> {true,42};
+		      (3) -> false
+		   end,
+    [1,42] = lists:filtermap(FilterMapFun, L),
+    [1,42] = lists:zf(FilterMapFun, L),
+
+    [3,2,1] = lists:foldl(fun(E, A) -> [E|A] end, [], L),
+    [1,2,3] = lists:foldr(fun(E, A) -> [E|A] end, [], L),
+    {[1,4,9],[3,2,1]} = lists:mapfoldl(fun(E, A) ->
+					       {E*E,[E|A]}
+				       end, [], L),
+    {[1,4,9],[1,2,3]} = lists:mapfoldr(fun(E, A) ->
+					       {E*E,[E|A]}
+				       end, [], L),
+
+    true = lists:any(fun(N) -> N =:= 2 end, L),
+    false = lists:any(fun(N) -> N =:= 42 end, L),
+
+    true = lists:all(fun(N) -> is_integer(N) end, L),
+    false = lists:all(fun(N) -> N rem 2 =:= 0 end, L),
+
+    ok.
diff --git a/lib/stdlib/test/proc_lib_SUITE.erl b/lib/stdlib/test/proc_lib_SUITE.erl
index 36f009eec6..f7a6a38138 100644
--- a/lib/stdlib/test/proc_lib_SUITE.erl
+++ b/lib/stdlib/test/proc_lib_SUITE.erl
@@ -28,7 +28,7 @@
 	 init_per_group/2,end_per_group/2, 
 	 crash/1, sync_start_nolink/1, sync_start_link/1,
          spawn_opt/1, sp1/0, sp2/0, sp3/1, sp4/2, sp5/1,
-	 hibernate/1, stop/1]).
+	 hibernate/1, stop/1, t_format/1]).
 -export([ otp_6345/1, init_dont_hang/1]).
 
 -export([hib_loop/1, awaken/1]).
@@ -51,7 +51,7 @@ suite() -> [{ct_hooks,[ts_install_cth]}].
 
 all() -> 
     [crash, {group, sync_start}, spawn_opt, hibernate,
-     {group, tickets}, stop].
+     {group, tickets}, stop, t_format].
 
 groups() -> 
     [{tickets, [], [otp_6345, init_dont_hang]},
@@ -80,77 +80,123 @@ end_per_group(_GroupName, Config) ->
 crash(Config) when is_list(Config) ->
     error_logger:add_report_handler(?MODULE, self()),
 
-    Pid = proc_lib:spawn(?MODULE, sp1, []),
-    Pid ! die,
-    ?line Report = receive
-		       {crash_report, Pid, Report0} -> Report0
-		   after 2000 -> test_server:fail(no_crash_report)
-		   end,
-    ?line proc_lib:format(Report),
-    ?line [PidRep, []] = Report,
-    ?line {value, {initial_call,{?MODULE,sp1,[]}}} =
-	lists:keysearch(initial_call, 1, PidRep),
-    Self = self(),
-    ?line {value, {ancestors,[Self]}} =
-	lists:keysearch(ancestors, 1, PidRep),
-    ?line {value, {error_info,{exit,die,_StackTrace1}}} =
-	lists:keysearch(error_info, 1, PidRep),
-
-    F = fun sp1/0,
-    Pid1 = proc_lib:spawn(node(), F),
-    Pid1 ! die,
-    ?line [PidRep1, []] = receive
-		       {crash_report, Pid1, Report1} -> Report1
-		   after 2000 -> test_server:fail(no_crash_report)
-		   end,
-    ?line {value, {initial_call,{Fmod,Fname,[]}}} =
-	lists:keysearch(initial_call, 1, PidRep1),
-    ?line {module,Fmod} = erlang:fun_info(F, module),
-    ?line {name,Fname} = erlang:fun_info(F, name),
-    ?line {value, {ancestors,[Self]}} =
-	lists:keysearch(ancestors, 1, PidRep1),
-    ?line {value, {error_info,{exit,die,_StackTrace2}}} =
-	lists:keysearch(error_info, 1, PidRep1),
-
-    Pid2 = proc_lib:spawn(?MODULE, sp2, []),
-    test_server:sleep(100),
-    ?line {?MODULE,sp2,[]} = proc_lib:initial_call(Pid2),
-    ?line {?MODULE,sp2,0} = proc_lib:translate_initial_call(Pid2),
-    Pid2 ! die,
-    ?line [Pid2Rep, [{neighbour, LinkRep}]] =
-	receive
-	    {crash_report, Pid2, Report2} -> Report2
-	after 2000 -> test_server:fail(no_crash_report)
-	end,
-    ?line {value, {initial_call,{?MODULE,sp2,[]}}} =
-	lists:keysearch(initial_call, 1, Pid2Rep),
-    ?line {value, {ancestors,[Self]}} =
-	lists:keysearch(ancestors, 1, Pid2Rep),
-    ?line {value, {error_info,{exit,die,_StackTrace3}}} =
-	lists:keysearch(error_info, 1, Pid2Rep),
-    ?line {value, {initial_call,{?MODULE,sp1,[]}}} =
-	lists:keysearch(initial_call, 1, LinkRep),
-
     %% Make sure that we don't get a crash report if a process
     %% terminates with reason 'shutdown' or reason {shutdown,Reason}.
-    ?line process_flag(trap_exit, true),
-    ?line Pid3 = proc_lib:spawn_link(erlang, apply,
-				     [fun() -> exit(shutdown) end,[]]),
+    process_flag(trap_exit, true),
+    Pid0 = proc_lib:spawn_link(erlang, apply,
+			       [fun() -> exit(shutdown) end,[]]),
+    Pid1 = proc_lib:spawn_link(erlang, apply,
+			       [fun() -> exit({shutdown,{a,b,c}}) end,[]]),
+
+    receive {'EXIT',Pid0,shutdown} -> ok end,
+    receive {'EXIT',Pid1,{shutdown,{a,b,c}}} -> ok end,
+    process_flag(trap_exit, false),
+    %% We expect any unexpected messages to be caught below,
+    %% so we don't have explicitly wait some time to be sure.
+
+    %% Spawn export function.
+    Pid2 = proc_lib:spawn(?MODULE, sp1, []),
+    Pid2 ! die,
+    Exp2 = [{initial_call,{?MODULE,sp1,[]}},
+	    {ancestors,[self()]},
+	    {error_info,{exit,die,{stacktrace}}}],
+    analyse_crash(Pid2, Exp2, []),
 
-    ?line Pid4 = proc_lib:spawn_link(erlang, apply,
-				     [fun() -> exit({shutdown,{a,b,c}}) end,[]]),
+    %% Spawn fun.
+    F = fun sp1/0,
+    Pid3 = proc_lib:spawn(node(), F),
+    Pid3 ! die,
+    {module,?MODULE} = erlang:fun_info(F, module),
+    {name,Fname} = erlang:fun_info(F, name),
+    Exp3 = [{initial_call,{?MODULE,Fname,[]}},
+	    {ancestors,[self()]},
+	    {error_info,{exit,die,{stacktrace}}}],
+    analyse_crash(Pid3, Exp3, []),
 
-    ?line receive {'EXIT',Pid3,shutdown} -> ok end,
-    ?line receive {'EXIT',Pid4,{shutdown,{a,b,c}}} -> ok end,
-    ?line process_flag(trap_exit, false),
+    %% Spawn function with neighbour.
+    Pid4 = proc_lib:spawn(?MODULE, sp2, []),
+    test_server:sleep(100),
+    {?MODULE,sp2,[]} = proc_lib:initial_call(Pid4),
+    {?MODULE,sp2,0} = proc_lib:translate_initial_call(Pid4),
+    Pid4 ! die,
+    Exp4 = [{initial_call,{?MODULE,sp2,[]}},
+	    {ancestors,[self()]},
+	    {error_info,{exit,die,{stacktrace}}}],
+    Links4 = [[{initial_call,{?MODULE,sp1,[]}},
+	       {ancestors,[Pid4,self()]}]],
+    analyse_crash(Pid4, Exp4, Links4),
+
+    %% Make sure that we still get a crash report if the
+    %% process dictionary have been tampered with.
+
+    Pid5 = proc_lib:spawn(erlang, apply,
+			  [fun() ->
+				   erase(),
+				   exit(abnormal)
+			   end,[]]),
+    Exp5 = [{initial_call,absent},
+	    {ancestors,[]},
+	    {error_info,{exit,abnormal,{stacktrace}}}],
+    analyse_crash(Pid5, Exp5, []),
+
+    error_logger:delete_report_handler(?MODULE),
+    ok.
 
+analyse_crash(Pid, Expected0, ExpLinks) ->
+    Expected = [{pid,Pid}|Expected0],
     receive
-	Any ->
-	    ?line ?t:fail({unexpected_message,Any})
-	after 2000 ->
-		ok
-	end.
+	{crash_report, Pid, Report} ->
+	    _ = proc_lib:format(Report),	%Smoke test.
+	    [Crash,Links] = Report,
+	    analyse_crash_1(Expected, Crash),
+	    analyse_links(ExpLinks, Links);
+	Unexpected ->
+	    io:format("~p\n", [Unexpected]),
+	    test_server:fail(unexpected_message)
+    after 5000 ->
+	    test_server:fail(no_crash_report)
+    end.
 
+analyse_links([H|Es], [{neighbour,N}|Links]) ->
+    analyse_crash_1(H, N),
+    analyse_links(Es, Links);
+analyse_links([], []) ->
+    ok.
+
+analyse_crash_1([{Key,absent}|T], Report) ->
+    false = lists:keymember(Key, 1, Report),
+    analyse_crash_1(T, Report);
+analyse_crash_1([{Key,Pattern}|T], Report) ->
+    case lists:keyfind(Key, 1, Report) of
+	false ->
+	    io:format("~p", [Report]),
+	    test_server:fail({missing_key,Key});
+	{Key,Info} ->
+	    try
+		match_info(Pattern, Info)
+	    catch
+		no_match ->
+		    io:format("key: ~p", [Key]),
+		    io:format("pattern: ~p", [Pattern]),
+		    io:format("actual: ~p", [Report]),
+		    test_server:fail(no_match)
+	    end,
+	    analyse_crash_1(T, Report)
+    end;
+analyse_crash_1([], _Report) ->
+    [].
+
+match_info(T, T) ->
+    ok;
+match_info({stacktrace}, Stk) when is_list(Stk) ->
+    ok;
+match_info([H1|T1], [H2|T2]) ->
+    match_info(H1, H2),
+    match_info(T1, T2);
+match_info(Tuple1, Tuple2) when tuple_size(Tuple1) =:= tuple_size(Tuple2) ->
+    match_info(tuple_to_list(Tuple1), tuple_to_list(Tuple2));
+match_info(_, _) ->
+    throw(no_match).
 
 sync_start_nolink(Config) when is_list(Config) ->
     _Pid = spawn_link(?MODULE, sp5, [self()]),
@@ -301,6 +347,7 @@ hibernate(Config) when is_list(Config) ->
     ?line {value,{initial_call,{?MODULE,hib_loop,[_]}}} =
 	lists:keysearch(initial_call, 1, Report),
 
+    error_logger:delete_report_handler(?MODULE),
     ok.
 
 hib_loop(LoopData) ->
@@ -364,7 +411,7 @@ init_dont_hang(Config) when is_list(Config) ->
     end.
 
 init_dont_hang_init(_Parent) ->
-    1 = 2.
+    error(bad_init).
 
 %% Test proc_lib:stop/1,3
 stop(_Config) ->
@@ -448,10 +495,55 @@ stop(_Config) ->
     ok.
 
 system_terminate(crash,_Parent,_Deb,_State) ->
-    1 = 2;
+    error({badmatch,2});
 system_terminate(Reason,_Parent,_Deb,_State) ->
     exit(Reason).
 
+
+t_format(_Config) ->
+    error_logger:tty(false),
+    try
+	t_format()
+    after
+	error_logger:tty(true)
+    end,
+    ok.
+
+t_format() ->
+    error_logger:add_report_handler(?MODULE, self()),
+    Pid = proc_lib:spawn(fun t_format_looper/0),
+    HugeData = gb_sets:from_list(lists:seq(1, 100)),
+    Pid ! {die,HugeData},
+    Report = receive
+		 {crash_report, Pid, Report0} -> Report0
+	     end,
+    Usz = do_test_format(Report, unlimited),
+    Tsz = do_test_format(Report, 20),
+
+    if
+	Tsz >= Usz ->
+	    ?t:fail();
+	true ->
+	    ok
+    end,
+
+    ok.
+
+do_test_format(Report, Depth) ->
+    io:format("*** Depth = ~p", [Depth]),
+    S0 = proc_lib:format(Report, latin1, Depth),
+    S = lists:flatten(S0),
+    io:put_chars(S),
+    length(S).
+
+t_format_looper() ->
+    receive
+	{die,Data} ->
+	    exit(Data);
+	_ ->
+	    t_format_looper()
+    end.
+
 %%-----------------------------------------------------------------
 %% The error_logger handler used.
 %%-----------------------------------------------------------------
diff --git a/lib/stdlib/test/qlc_SUITE.erl b/lib/stdlib/test/qlc_SUITE.erl
index 72216bfa0d..52fdb69b73 100644
--- a/lib/stdlib/test/qlc_SUITE.erl
+++ b/lib/stdlib/test/qlc_SUITE.erl
@@ -74,6 +74,7 @@
 	  otp_5644/1, otp_5195/1, otp_6038_bug/1, otp_6359/1, otp_6562/1,
 	  otp_6590/1, otp_6673/1, otp_6964/1, otp_7114/1, otp_7238/1,
 	  otp_7232/1, otp_7552/1, otp_6674/1, otp_7714/1, otp_11758/1,
+          otp_12946/1,
 
 	  manpage/1,
 
@@ -143,7 +144,7 @@ groups() ->
      {tickets, [],
       [otp_5644, otp_5195, otp_6038_bug, otp_6359, otp_6562,
        otp_6590, otp_6673, otp_6964, otp_7114, otp_7232,
-       otp_7238, otp_7552, otp_6674, otp_7714, otp_11758]},
+       otp_7238, otp_7552, otp_6674, otp_7714, otp_11758, otp_12946]},
      {compat, [], [backward, forward]}].
 
 init_per_suite(Config) ->
@@ -7154,6 +7155,18 @@ otp_6674(Config) when is_list(Config) ->
 
     ?line run(Config, Ts).
 
+otp_12946(doc) ->
+    ["Syntax error."];
+otp_12946(suite) -> [];
+otp_12946(Config) when is_list(Config) ->
+    Text =
+        <<"-export([init/0]).
+           init() ->
+               ok.
+           y">>,
+    {errors,[{4,erl_parse,_}],[]} = compile_file(Config, Text, []),
+    ok.
+
 manpage(doc) ->
     "Examples from qlc(3).";
 manpage(suite) -> [];
diff --git a/lib/stdlib/test/rand_SUITE.erl b/lib/stdlib/test/rand_SUITE.erl
index b03caebe91..111bf620de 100644
--- a/lib/stdlib/test/rand_SUITE.erl
+++ b/lib/stdlib/test/rand_SUITE.erl
@@ -25,7 +25,9 @@
 	]).
 
 -export([interval_int/1, interval_float/1, seed/1,
-         api_eq/1, reference/1, basic_stats/1,
+         api_eq/1, reference/1,
+	 basic_stats_uniform_1/1, basic_stats_uniform_2/1,
+	 basic_stats_normal/1,
 	 plugin/1, measure/1
 	]).
 
@@ -51,11 +53,13 @@ all() ->
     [seed, interval_int, interval_float,
      api_eq,
      reference,
-     basic_stats,
+     {group, basic_stats},
      plugin, measure
     ].
 
-groups() -> [].
+groups() ->
+    [{basic_stats, [parallel],
+      [basic_stats_uniform_1, basic_stats_uniform_2, basic_stats_normal]}].
 
 init_per_suite(Config) ->  Config.
 end_per_suite(_Config) -> ok.
@@ -291,14 +295,19 @@ gen(_, _, Acc) -> lists:reverse(Acc).
 %% The algorithms must have good properties to begin with
 %%
 
-basic_stats(doc) -> ["Check that the algorithms generate sound values."];
-basic_stats(suite) -> [];
-basic_stats(Config) when is_list(Config) ->
-    io:format("Testing uniform~n",[]),
+%% Check that the algorithms generate sound values.
+
+basic_stats_uniform_1(Config) when is_list(Config) ->
     [basic_uniform_1(?LOOP, rand:seed_s(Alg), 0.0, array:new([{default, 0}]))
      || Alg <- algs()],
+    ok.
+
+basic_stats_uniform_2(Config) when is_list(Config) ->
     [basic_uniform_2(?LOOP, rand:seed_s(Alg), 0, array:new([{default, 0}]))
      || Alg <- algs()],
+    ok.
+
+basic_stats_normal(Config) when is_list(Config) ->
     io:format("Testing normal~n",[]),
     [basic_normal_1(?LOOP, rand:seed_s(Alg), 0, 0) || Alg <- algs()],
     ok.
diff --git a/lib/stdlib/test/re_SUITE.erl b/lib/stdlib/test/re_SUITE.erl
index b8c20d9745..d78d6153da 100644
--- a/lib/stdlib/test/re_SUITE.erl
+++ b/lib/stdlib/test/re_SUITE.erl
@@ -28,7 +28,7 @@
 	 pcre_compile_workspace_overflow/1,re_infinite_loop/1, 
 	 re_backwards_accented/1,opt_dupnames/1,opt_all_names/1,inspect/1,
 	 opt_no_start_optimize/1,opt_never_utf/1,opt_ucp/1,
-	 match_limit/1,sub_binaries/1]).
+	 match_limit/1,sub_binaries/1,copt/1]).
 
 -include_lib("test_server/include/test_server.hrl").
 -include_lib("kernel/include/file.hrl").
@@ -319,32 +319,26 @@ replace_return(doc) ->
     ["Tests return options of replace together with global searching"];
 replace_return(Config) when is_list(Config) ->
     Dog = ?t:timetrap(?t:minutes(3)),
-    ?line {'EXIT',{badarg,_}} = (catch re:replace("na","(a","")),
-    ?line <<"nasse">> = re:replace(<<"nisse">>,"i","a",[{return,binary}]),
-    ?line <<"ABCÅXABCXA">> = re:replace("ABC\305abcdABCabcdA","a(?<FOO>bcd)","X",[global,{return,binary}]),
-    
-    ?line [<<"ABCÅ">>,
-	   <<"X">>,
-	   <<"ABC">>,
-	   <<"X">> | 
-	   <<"A">> ] = 
-	re:replace("ABCÅabcdABCabcdA","a(?<FOO>bcd)","X",[global,{return,iodata}]),
-    ?line "ABCÅXABCXA" = re:replace("ABCÅabcdABCabcdA","a(?<FOO>bcd)","X",[global,{return,list},unicode]),
-    ?line <<65,66,67,195,133,88,65,66,67,88,65>> = re:replace("ABCÅabcdABCabcdA","a(?<FOO>bcd)","X",[global,{return,binary},unicode]),
-    ?line <<65,66,67,195,133,88,65,66,67,97,98,99,100,65>> = re:replace("ABCÅabcdABCabcdA","a(?<FOO>bcd)","X",[{return,binary},unicode]),
-    ?line <<"iXk">> = re:replace("abcdefghijk","(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)","\\9X",[{return,binary}]),
-    ?line <<"jXk">> = re:replace("abcdefghijk","(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)","\\10X",[{return,binary}]),
-    ?line <<"Xk">> = re:replace("abcdefghijk","(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)","\\11X",[{return,binary}]),
-    ?line <<"9X1">> = re:replace("12345678901","(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)","\\g9X",[{return,binary}]),
-    ?line <<"0X1">> = re:replace("12345678901","(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)","\\g10X",[{return,binary}]),
-    ?line <<"X1">> = re:replace("12345678901","(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)","\\g11X",[{return,binary}]),
-    ?line <<"971">> = re:replace("12345678901","(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)","\\g{9}7",[{return,binary}]),
-    ?line <<"071">> = re:replace("12345678901","(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)","\\g{10}7",[{return,binary}]),
-    ?line <<"71">> = re:replace("12345678901","(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)","\\g{11}7",[{return,binary}]),
-    ?line "a\x{400}bcX" = re:replace("a\x{400}bcd","d","X",[global,{return,list},unicode]),
-    ?line <<"a",208,128,"bcX">> = re:replace("a\x{400}bcd","d","X",[global,{return,binary},unicode]),
-    ?line "a\x{400}bcd" = re:replace("a\x{400}bcd","Z","X",[global,{return,list},unicode]),
-    ?line <<"a",208,128,"bcd">> = re:replace("a\x{400}bcd","Z","X",[global,{return,binary},unicode]),
+    {'EXIT',{badarg,_}} = (catch re:replace("na","(a","")),
+    ok = replacetest(<<"nisse">>,"i","a",[{return,binary}],<<"nasse">>),
+    ok = replacetest("ABC\305abcdABCabcdA","a(?<FOO>bcd)","X",[global,{return,binary}],<<"ABCÅXABCXA">>),
+    ok = replacetest("ABCÅabcdABCabcdA","a(?<FOO>bcd)","X",[global,{return,iodata}],[<<"ABCÅ">>,<<"X">>,<<"ABC">>,<<"X">>|<<"A">>]),
+    ok = replacetest("ABCÅabcdABCabcdA","a(?<FOO>bcd)","X",[global,{return,list},unicode],"ABCÅXABCXA"),
+    ok = replacetest("ABCÅabcdABCabcdA","a(?<FOO>bcd)","X",[global,{return,binary},unicode],<<65,66,67,195,133,88,65,66,67,88,65>>),
+    ok = replacetest("ABCÅabcdABCabcdA","a(?<FOO>bcd)","X",[{return,binary},unicode],<<65,66,67,195,133,88,65,66,67,97,98,99,100,65>>),
+    ok = replacetest("abcdefghijk","(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)","\\9X",[{return,binary}],<<"iXk">>),
+    ok = replacetest("abcdefghijk","(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)","\\10X",[{return,binary}],<<"jXk">>),
+    ok = replacetest("abcdefghijk","(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)","\\11X",[{return,binary}],<<"Xk">>),
+    ok = replacetest("12345678901","(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)","\\g9X",[{return,binary}],<<"9X1">>),
+    ok = replacetest("12345678901","(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)","\\g10X",[{return,binary}],<<"0X1">>),
+    ok = replacetest("12345678901","(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)","\\g11X",[{return,binary}],<<"X1">>),
+    ok = replacetest("12345678901","(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)","\\g{9}7",[{return,binary}],<<"971">>),
+    ok = replacetest("12345678901","(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)","\\g{10}7",[{return,binary}],<<"071">>),
+    ok = replacetest("12345678901","(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)","\\g{11}7",[{return,binary}],<<"71">>),
+    ok = replacetest("a\x{400}bcd","d","X",[global,{return,list},unicode],"a\x{400}bcX"),
+    ok = replacetest("a\x{400}bcd","d","X",[global,{return,binary},unicode],<<"a",208,128,"bcX">>),
+    ok = replacetest("a\x{400}bcd","Z","X",[global,{return,list},unicode],"a\x{400}bcd"),
+    ok = replacetest("a\x{400}bcd","Z","X",[global,{return,binary},unicode],<<"a",208,128,"bcd">>),
     ?t:timetrap_cancel(Dog),
     ok.
 
@@ -389,6 +383,35 @@ crtest(Subject,RE,Options,true,Result) ->
 	    error
     end.
 
+replacetest(Subject,RE,Replacement,Options,Result) ->
+    Result = re:replace(Subject,RE,Replacement,Options),
+    {CompileOptions,ReplaceOptions} = lists:partition(fun copt/1, Options),
+    {ok,MP} = re:compile(RE,CompileOptions),
+    Result = re:replace(Subject,MP,Replacement,ReplaceOptions),
+    ok.
+
+splittest(Subject,RE,Options,Result) ->
+    Result = re:split(Subject,RE,Options),
+    {CompileOptions,SplitOptions} = lists:partition(fun copt/1, Options),
+    {ok,MP} = re:compile(RE,CompileOptions),
+    Result = re:split(Subject,MP,SplitOptions),
+    ok.
+
+copt(caseless) -> true;
+copt(no_start_optimize) -> true;
+copt(never_utf) -> true;
+copt(ucp) -> true;
+copt(dollar_endonly) -> true;
+copt(dotall) -> true;
+copt(extended) -> true;
+copt(firstline) -> true;
+copt(multiline) -> true;
+copt(no_auto_capture) -> true;
+copt(dupnames) -> true;
+copt(ungreedy) -> true;
+copt(unicode) -> true;
+copt(_) -> false.
+
 split_autogen(doc) ->    
     ["Test split with autogenerated erlang module"];
 split_autogen(Config) when is_list(Config) ->
@@ -401,43 +424,23 @@ split_options(doc) ->
     ["Test special options to split."];
 split_options(Config) when is_list(Config) ->
     Dog = ?t:timetrap(?t:minutes(1)),
-    ?line [[<<"a">>,<<" ">>],[<<"b">>,<<" ">>],[<<"c">>,<<" ">>]] = re:split("a b c ","( )",[group,trim]),
-    ?line [[<<"a">>,<<" ">>],[<<"b">>,<<" ">>],[<<"c">>,<<" ">>]] = re:split("a b c ","( )",[group,{parts,0}]),
-    ?line [[<<"a">>,<<" ">>],[<<"b">>,<<" ">>],[<<"c">>,<<" ">>],[<<>>]] = 
-	re:split("a b c ","( )",[{parts,infinity},group]),
-    ?line [[<<"a">>,<<" ">>],[<<"b">>,<<" ">>],[<<"c">>,<<" ">>],[<<>>]] = 
-	re:split("a b c ","( )",[group]),
-    ?line [[<<>>,<<" ">>],[<<"a">>,<<" ">>],[<<"b">>,<<" ">>],
-	   [<<"c">>,<<" ">>],[<<"d">>,<<" ">>]] = 
-	re:split(" a b c d ","( +)",[group,trim]),
-    ?line [[<<>>,<<" ">>],[<<"a">>,<<" ">>],[<<"b">>,<<" ">>],
-	   [<<"c">>,<<" ">>],[<<"d">>,<<" ">>]] = 
-	re:split(" a b c d ","( +)",[{parts,0},group]),
-    ?line [[<<>>,<<" ">>],[<<"a">>,<<" ">>],[<<"b">>,<<" ">>],
-	   [<<"c">>,<<" ">>],[<<"d">>,<<" ">>],[<<>>]] =  
-	re:split(" a b c d ","( +)",[{parts,infinity},group]),
-    ?line [[<<"a">>,<<" ">>],[<<"b c d">>]] =
-	re:split("a b c d","( +)",[{parts,2},group]),
-    ?line [[[967]," "],["b c d"]] = 
-	re:split([967]++" b c d","( +)",
-		 [{parts,2},group,{return,list},unicode]),    
-    ?line [[<<207,135>>,<<" ">>],[<<"b c d">>]] = 
-	re:split([967]++" b c d","( +)",
-		 [{parts,2},group,{return,binary},unicode]),
-    ?line {'EXIT',{badarg,_}} = 
-	(catch re:split([967]++" b c d","( +)",
-		       [{parts,2},group,{return,binary}])),
-    ?line {'EXIT',{badarg,_}} = 
-	(catch re:split("a b c d","( +)",[{parts,-2}])),
-    ?line {'EXIT',{badarg,_}} = 
-	(catch re:split("a b c d","( +)",[{parts,banan}])),
-    ?line {'EXIT',{badarg,_}} = 
-	(catch re:split("a b c d","( +)",[{capture,all}])),
-    ?line {'EXIT',{badarg,_}} = 
-	(catch re:split("a b c d","( +)",[{capture,[],binary}])),
+    ok = splittest("a b c ","( )",[group,trim],[[<<"a">>,<<" ">>],[<<"b">>,<<" ">>],[<<"c">>,<<" ">>]]),
+    ok = splittest("a b c ","( )",[group,{parts,0}],[[<<"a">>,<<" ">>],[<<"b">>,<<" ">>],[<<"c">>,<<" ">>]]),
+    ok = splittest("a b c ","( )",[{parts,infinity},group],[[<<"a">>,<<" ">>],[<<"b">>,<<" ">>],[<<"c">>,<<" ">>],[<<>>]]),
+    ok = splittest("a b c ","( )",[group],[[<<"a">>,<<" ">>],[<<"b">>,<<" ">>],[<<"c">>,<<" ">>],[<<>>]]),
+    ok = splittest(" a b c d ","( +)",[group,trim],[[<<>>,<<" ">>],[<<"a">>,<<" ">>],[<<"b">>,<<" ">>],[<<"c">>,<<" ">>],[<<"d">>,<<" ">>]]),
+    ok = splittest(" a b c d ","( +)",[{parts,0},group],[[<<>>,<<" ">>],[<<"a">>,<<" ">>],[<<"b">>,<<" ">>],[<<"c">>,<<" ">>],[<<"d">>,<<" ">>]]),
+    ok = splittest(" a b c d ","( +)",[{parts,infinity},group],[[<<>>,<<" ">>],[<<"a">>,<<" ">>],[<<"b">>,<<" ">>],[<<"c">>,<<" ">>],[<<"d">>,<<" ">>],[<<>>]]),
+    ok = splittest("a b c d","( +)",[{parts,2},group],[[<<"a">>,<<" ">>],[<<"b c d">>]]),
+    ok = splittest([967]++" b c d","( +)",[{parts,2},group,{return,list},unicode],[[[967]," "],["b c d"]]),
+    ok = splittest([967]++" b c d","( +)",[{parts,2},group,{return,binary},unicode],[[<<207,135>>,<<" ">>],[<<"b c d">>]]),
+    {'EXIT',{badarg,_}} = (catch re:split([967]++" b c d","( +)",[{parts,2},group,{return,binary}])),
+    {'EXIT',{badarg,_}} = (catch re:split("a b c d","( +)",[{parts,-2}])),
+    {'EXIT',{badarg,_}} = (catch re:split("a b c d","( +)",[{parts,banan}])),
+    {'EXIT',{badarg,_}} = (catch re:split("a b c d","( +)",[{capture,all}])),
+    {'EXIT',{badarg,_}} = (catch re:split("a b c d","( +)",[{capture,[],binary}])),
     % Parts 0 is equal to no parts specification (implicit strip)
-    ?line ["a"," ","b"," ","c"," ","d"] = 
-	re:split("a b c d","( *)",[{parts,0},{return,list}]),
+    ok = splittest("a b c d","( *)",[{parts,0},{return,list}],["a"," ","b"," ","c"," ","d"]),
     ?t:timetrap_cancel(Dog),
     ok.
     
diff --git a/lib/stdlib/test/zip_SUITE.erl b/lib/stdlib/test/zip_SUITE.erl
index 9d48d092cf..c275053691 100644
--- a/lib/stdlib/test/zip_SUITE.erl
+++ b/lib/stdlib/test/zip_SUITE.erl
@@ -556,9 +556,10 @@ unzip_to_binary(doc) ->
 unzip_to_binary(Config) when is_list(Config) ->
     DataDir = ?config(data_dir, Config),
     PrivDir = ?config(priv_dir, Config),
+    WorkDir = filename:join(PrivDir, "unzip_to_binary"),
+    _ = file:make_dir(WorkDir),
 
-    delete_all_in(PrivDir),
-    file:set_cwd(PrivDir),
+    ok = file:set_cwd(WorkDir),
     Long = filename:join(DataDir, "abc.zip"),
 
     %% Unzip a zip file into a binary
@@ -569,7 +570,7 @@ unzip_to_binary(Config) when is_list(Config) ->
                   end, FBList),
 
     %% Make sure no files created in cwd
-    {ok,[]} = file:list_dir(PrivDir),
+    {ok,[]} = file:list_dir(WorkDir),
 
     ok.
 
@@ -578,8 +579,10 @@ zip_to_binary(doc) ->
 zip_to_binary(Config) when is_list(Config) ->
     DataDir = ?config(data_dir, Config),
     PrivDir = ?config(priv_dir, Config),
-    delete_all_in(PrivDir),
-    file:set_cwd(PrivDir),
+    WorkDir = filename:join(PrivDir, "zip_to_binary"),
+    _ = file:make_dir(WorkDir),
+
+    file:set_cwd(WorkDir),
     FileName = "abc.txt",
     ZipName = "t.zip",
     FilePath = filename:join(DataDir, FileName),
@@ -589,7 +592,7 @@ zip_to_binary(Config) when is_list(Config) ->
     {ok, {ZipName, ZipB}} = zip:zip(ZipName, [FileName], [memory]),
 
     %% Make sure no files created in cwd
-    {ok,[FileName]} = file:list_dir(PrivDir),
+    {ok,[FileName]} = file:list_dir(WorkDir),
 
     %% Zip to a file
     {ok, ZipName} = zip:zip(ZipName, [FileName]),
@@ -696,11 +699,6 @@ do_delete_files([Item|Rest], Cnt) ->
     end,
     do_delete_files(Rest, Cnt + DelCnt).
 
-delete_all_in(Dir) ->
-    {ok, Files} = file:list_dir(Dir),
-    delete_files(lists:map(fun(F) -> filename:join(Dir,F) end,
-                           Files)).
-
 compress_control(doc) ->
     ["Test control of which files that should be compressed"];
 compress_control(suite) -> [];