Merge branch 'maint'

14 files changed, 689 insertions, 95 deletions

diff --git a/lib/common_test/doc/src/ct_run.xml b/lib/common_test/doc/src/ct_run.xml
index d871908952..c87c765ae7 100644
--- a/lib/common_test/doc/src/ct_run.xml
+++ b/lib/common_test/doc/src/ct_run.xml
@@ -113,9 +113,9 @@
 	[-muliply_timetraps Multiplier]
 	[-scale_timetraps]
 	[-create_priv_dir auto_per_run | auto_per_tc | manual_per_tc]
-        [-repeat N [-force_stop]] |
-        [-duration HHMMSS [-force_stop]] |
-        [-until [YYMoMoDD]HHMMSS [-force_stop]]
+        [-repeat N] |
+        [-duration HHMMSS [-force_stop [skip_rest]]] |
+        [-until [YYMoMoDD]HHMMSS [-force_stop [skip_rest]]]
 	[-basic_html]
     	[-ct_hooks CTHModule1 CTHOpts1 and CTHModule2 CTHOpts2 and ..
 	 CTHModuleN CTHOptsN]
@@ -149,9 +149,9 @@
 	[-muliply_timetraps Multiplier]
 	[-scale_timetraps]
 	[-create_priv_dir auto_per_run | auto_per_tc | manual_per_tc]
-        [-repeat N [-force_stop]] |
-        [-duration HHMMSS [-force_stop]] |
-        [-until [YYMoMoDD]HHMMSS [-force_stop]]
+        [-repeat N] |
+        [-duration HHMMSS [-force_stop [skip_rest]]] |
+        [-until [YYMoMoDD]HHMMSS [-force_stop [skip_rest]]]
 	[-basic_html]
     	[-ct_hooks CTHModule1 CTHOpts1 and CTHModule2 CTHOpts2 and ..
 	 CTHModuleN CTHOptsN]
diff --git a/lib/common_test/doc/src/run_test_chapter.xml b/lib/common_test/doc/src/run_test_chapter.xml
index 35f89153d3..afaed29626 100644
--- a/lib/common_test/doc/src/run_test_chapter.xml
+++ b/lib/common_test/doc/src/run_test_chapter.xml
@@ -174,7 +174,7 @@
       <item><c><![CDATA[-repeat <n>]]></c>, tells Common Test to repeat the tests n times (see below).</item> 
       <item><c><![CDATA[-duration <time>]]></c>, tells Common Test to repeat the tests for duration of time (see below).</item> 
       <item><c><![CDATA[-until <stop_time>]]></c>, tells Common Test to repeat the tests until stop_time (see below).</item> 
-      <item><c>-force_stop</c>, on timeout, the test run will be aborted when current test job is finished (see below).</item>
+      <item><c>-force_stop [skip_rest]</c>, on timeout, the test run will be aborted when current test job is finished. If <c>skip_rest</c> is provided the rest of the test cases in the current test job will be skipped (see below).</item>
       <item><c><![CDATA[-decrypt_key <key>]]></c>, provides a decryption key for 
         <seealso marker="config_file_chapter#encrypted_config_files">encrypted configuration files</seealso>.</item>
       <item><c><![CDATA[-decrypt_file <key_file>]]></c>, points out a file containing a decryption key for 
@@ -1273,6 +1273,7 @@
        <item><c>-duration DurTime ({duration,DurTime})</c>, where <c>DurTime</c> is the duration, see below.</item>
        <item><c>-until StopTime ({until,StopTime})</c>, where <c>StopTime</c> is finish time, see below.</item>
        <item><c>-force_stop ({force_stop,true})</c></item>
+       <item><c>-force_stop skip_rest ({force_stop,skip_rest})</c></item>
        </list>
        <p>The duration time, <c>DurTime</c>, is specified as <c>HHMMSS</c>. Example: 
           <c>-duration 012030</c> or <c>{duration,"012030"}</c>, means the tests will 
@@ -1283,12 +1284,16 @@
 	  Example: <c>-until 071001120000</c> or <c>{until,"071001120000"}</c>, which means the tests
 	  will be executed and (if time allows) repeated, until 12 o'clock on the 1st of Oct 2007.</p>
 
-       <p>When timeout occurs, Common Test will never abort the test run immediately, since 
+       <p>When timeout occurs, Common Test will never abort the ongoing test case, since
           this might leave the system under test in an undefined, and possibly bad, state.
-	  Instead Common Test will finish the current test job, or the complete test 
-	  run, before stopping. The latter is the default behaviour. The <c>force_stop</c> 
-	  flag/option tells Common Test to stop as soon as the current test job is finished.
-	  Note that since Common Test always finishes off the current test job or test session,
+	  Instead Common Test will by default finish the current test
+	  run before stopping. If the <c>force_stop</c> flag is
+	  given, Common Test will stop as soon as the current test job
+	  is finished, and if the <c>force_stop</c> flag is given with
+	  <c>skip_rest</c> Common Test will only complete the current
+	  test case and skip the rest of the tests in the test job.
+	  Note that since Common Test always finishes off at least the
+	  current test case,
 	  the time specified with <c>duration</c> or <c>until</c> is never definitive!</p>
 
        <p>Log files from every single repeated test run is saved in normal Common Test fashion (see above). 
@@ -1312,6 +1317,18 @@
 
        <p>Example 2:</p>
        <pre>
+          $ ct_run -dir $TEST_ROOT/to1 $TEST_ROOT/to2 -duration 001000 -forces_stop skip_rest</pre>
+       <p>Here the same test run as in Example 1, but with the
+       <c>force_stop</c> flag set to <c>skip_rest</c>. If the timeout
+       occurs while executing tests in directory to1, the rest of the
+       test cases in to1 will be skipped and then the test will be
+       aborted without running the tests in to2 another time. If the
+       timeout occurs while executing tests in directory to2, then the
+       rest of the test cases in to2 will be skipped and then the test
+       will be aborted.</p>
+
+       <p>Example 3:</p>
+       <pre>
           $ date
 	  Fri Sep 28 15:00:00 MEST 2007
 
@@ -1321,7 +1338,7 @@
 	  Common Test will finish the entire test run before stopping (i.e. the to1 and to2 test
 	  will always both be executed in the same test run).</p>
        
-       <p>Example 3:</p>
+       <p>Example 4:</p>
        <pre>
           $ ct_run -dir $TEST_ROOT/to1 $TEST_ROOT/to2 -repeat 5</pre>
        <p>Here the test run, including both the to1 and the to2 test, will be repeated 5 times.</p>
diff --git a/lib/common_test/src/ct.erl b/lib/common_test/src/ct.erl
index 04a95a53fa..e6732f7fc7 100644
--- a/lib/common_test/src/ct.erl
+++ b/lib/common_test/src/ct.erl
@@ -153,7 +153,7 @@ run(TestDirs) ->
 %%%               {auto_compile,Bool} | {create_priv_dir,CreatePrivDir}  |
 %%%               {multiply_timetraps,M} | {scale_timetraps,Bool} |
 %%%               {repeat,N} | {duration,DurTime} | {until,StopTime} |
-%%%               {force_stop,Bool} | {decrypt,DecryptKeyOrFile} |
+%%%               {force_stop,ForceStop} | {decrypt,DecryptKeyOrFile} |
 %%%               {refresh_logs,LogDir} | {logopts,LogOpts} | 
 %%%               {verbosity,VLevels} | {basic_html,Bool} | 
 %%%               {ct_hooks, CTHs} | {enable_builtin_hooks,Bool} |
@@ -184,6 +184,7 @@ run(TestDirs) ->
 %%%   N = integer()
 %%%   DurTime = string(HHMMSS)
 %%%   StopTime = string(YYMoMoDDHHMMSS) | string(HHMMSS)
+%%%   ForceStop = skip_rest | Bool
 %%%   DecryptKeyOrFile = {key,DecryptKey} | {file,DecryptFile}
 %%%   DecryptKey = string()
 %%%   DecryptFile = string()
diff --git a/lib/common_test/src/ct_framework.erl b/lib/common_test/src/ct_framework.erl
index 5fe4eaf511..b92fe1555f 100644
--- a/lib/common_test/src/ct_framework.erl
+++ b/lib/common_test/src/ct_framework.erl
@@ -64,38 +64,46 @@ init_tc(Mod,Func,Config) ->
 	    ok
     end,
 
-    case ct_util:get_testdata(curr_tc) of
-	{Suite,{suite0_failed,{require,Reason}}} ->
-	    {skip,{require_failed_in_suite0,Reason}};
-	{Suite,{suite0_failed,_}=Failure} ->
-	    {skip,Failure};
+    case Func=/=end_per_suite
+	andalso Func=/=end_per_group
+	andalso ct_util:get_testdata(skip_rest) of
+	true ->
+	    {skip,"Repeated test stopped by force_stop option"};
 	_ ->
-	    ct_util:update_testdata(curr_tc,
-				    fun(undefined) ->
-					    [{Suite,Func}];
-				       (Running) ->
-					    [{Suite,Func}|Running]
-				    end, [create]),
-	    case ct_util:read_suite_data({seq,Suite,Func}) of
-		undefined ->
-		    init_tc1(Mod,Suite,Func,Config);
-		Seq when is_atom(Seq) ->
-		    case ct_util:read_suite_data({seq,Suite,Seq}) of
-			[Func|TCs] ->		% this is the 1st case in Seq
-			    %% make sure no cases in this seq are
-			    %% marked as failed from an earlier execution 
-			    %% in the same suite
-			    lists:foreach(
-			      fun(TC) ->
-				      ct_util:save_suite_data({seq,Suite,TC},
-							      Seq)
-			      end, TCs);
-			_ ->
-			    ok
-		    end,
-		    init_tc1(Mod,Suite,Func,Config);
-		{failed,Seq,BadFunc} ->
-		    {skip,{sequence_failed,Seq,BadFunc}}
+	    case ct_util:get_testdata(curr_tc) of
+		{Suite,{suite0_failed,{require,Reason}}} ->
+		    {skip,{require_failed_in_suite0,Reason}};
+		{Suite,{suite0_failed,_}=Failure} ->
+		    {skip,Failure};
+		_ ->
+		    ct_util:update_testdata(curr_tc,
+					    fun(undefined) ->
+						    [{Suite,Func}];
+					       (Running) ->
+						    [{Suite,Func}|Running]
+					    end, [create]),
+		    case ct_util:read_suite_data({seq,Suite,Func}) of
+			undefined ->
+			    init_tc1(Mod,Suite,Func,Config);
+			Seq when is_atom(Seq) ->
+			    case ct_util:read_suite_data({seq,Suite,Seq}) of
+				[Func|TCs] -> % this is the 1st case in Seq
+				    %% make sure no cases in this seq are
+				    %% marked as failed from an earlier execution
+				    %% in the same suite
+				    lists:foreach(
+				      fun(TC) ->
+					      ct_util:save_suite_data(
+						{seq,Suite,TC},
+						Seq)
+				      end, TCs);
+				_ ->
+				    ok
+			    end,
+			    init_tc1(Mod,Suite,Func,Config);
+			{failed,Seq,BadFunc} ->
+			    {skip,{sequence_failed,Seq,BadFunc}}
+		    end
 	    end
     end.	    
 
diff --git a/lib/common_test/src/ct_repeat.erl b/lib/common_test/src/ct_repeat.erl
index a47309c6ee..f4d9949776 100644
--- a/lib/common_test/src/ct_repeat.erl
+++ b/lib/common_test/src/ct_repeat.erl
@@ -1,7 +1,7 @@
 %%
 %% %CopyrightBegin%
 %%
-%% Copyright Ericsson AB 2007-2012. All Rights Reserved.
+%% Copyright Ericsson AB 2007-2013. 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
@@ -23,7 +23,7 @@
 %%% start flags (or equivalent ct:run_test/1 options) are supported:
 %%% -until <StopTime>, StopTime = YYMoMoDDHHMMSS | HHMMSS
 %%% -duration <DurTime>, DurTime = HHMMSS
-%%% -force_stop
+%%% -force_stop [skip_rest]
 %%% -repeat <N>, N = integer()</p>
 
 -module(ct_repeat).
@@ -62,12 +62,15 @@ loop_test(If,Args) when is_list(Args) ->
 			io:format("\nCommon Test: "
 				  "Will repeat tests for ~s.\n\n",[ts(Secs)]),
 			TPid =
-			    case lists:keymember(force_stop,1,Args) of 
-				true ->
+			    case proplists:get_value(force_stop,Args) of
+				False when False==false; False==undefined ->
+				    undefined;
+				ForceStop ->
 				    CtrlPid = self(),
-				    spawn(fun() -> stop_after(CtrlPid,Secs) end);
-				false ->
-				    undefined
+				    spawn(
+				      fun() ->
+					      stop_after(CtrlPid,Secs,ForceStop)
+				      end)
 			    end,
 			Args1 = [{loop_info,[{stop_time,Secs,StopTime,1}]} | Args],
 			loop(If,stop_time,0,Secs,StopTime,Args1,TPid,[])
@@ -212,7 +215,7 @@ get_stop_time(until,[Y1,Y2,Mo1,Mo2,D1,D2,H1,H2,Mi1,Mi2,S1,S2]) ->
 	    list_to_integer([S1,S2])},
     calendar:datetime_to_gregorian_seconds({Date,Time});
 
-get_stop_time(until,Time) ->
+get_stop_time(until,Time=[_,_,_,_,_,_]) ->
     get_stop_time(until,"000000"++Time);
 
 get_stop_time(duration,[H1,H2,Mi1,Mi2,S1,S2]) ->
@@ -227,10 +230,17 @@ cancel(Pid) ->
 
 %% After Secs, abort will make the test_server finish the current
 %% job, then empty the job queue and stop.
-stop_after(_CtrlPid,Secs) ->
+stop_after(_CtrlPid,Secs,ForceStop) ->
     timer:sleep(Secs*1000),
+    case ForceStop of
+	SkipRest when SkipRest==skip_rest; SkipRest==["skip_rest"] ->
+	    ct_util:set_testdata({skip_rest,true});
+	_ ->
+	    ok
+    end,
     test_server_ctrl:abort().
 
+
 %% Callback from ct_run to print loop info to system log.
 log_loop_info(Args) ->
     case lists:keysearch(loop_info,1,Args) of
@@ -259,11 +269,11 @@ log_loop_info(Args) ->
 		io_lib:format("Test time remaining: ~w secs (~w%)\n",
 			      [Secs,trunc((Secs/Secs0)*100)]),
 	    LogStr4 =
-		case lists:keymember(force_stop,1,Args) of
-		    true ->
-			io_lib:format("force_stop is enabled",[]);
-		    _ ->
-			""
+		case proplists:get_value(force_stop,Args) of
+		    False when False==false; False==undefined ->
+			"";
+		    ForceStop ->
+			io_lib:format("force_stop is set to: ~w",[ForceStop])
 		end,			
 	    ct_logs:log("Test loop info",LogStr1++LogStr2++LogStr3++LogStr4,[])
     end.
diff --git a/lib/common_test/src/ct_run.erl b/lib/common_test/src/ct_run.erl
index 49f00429ae..57cfab532e 100644
--- a/lib/common_test/src/ct_run.erl
+++ b/lib/common_test/src/ct_run.erl
@@ -771,9 +771,9 @@ script_usage() ->
 	      "\n\t[-scale_timetraps]"
 	      "\n\t[-create_priv_dir auto_per_run | auto_per_tc | manual_per_tc]"
 	      "\n\t[-basic_html]"
-	      "\n\t[-repeat N [-force_stop]] |"
-	      "\n\t[-duration HHMMSS [-force_stop]] |"
-	      "\n\t[-until [YYMoMoDD]HHMMSS [-force_stop]]\n\n"),
+	      "\n\t[-repeat N] |"
+	      "\n\t[-duration HHMMSS [-force_stop [skip_rest]]] |"
+	      "\n\t[-until [YYMoMoDD]HHMMSS [-force_stop [skip_rest]]]\n\n"),
     io:format("Run tests using test specification:\n\n"
 	      "\tct_run -spec TestSpec1 TestSpec2 .. TestSpecN"
 	      "\n\t[-config ConfigFile1 ConfigFile2 .. ConfigFileN]"
@@ -795,9 +795,9 @@ script_usage() ->
 	      "\n\t[-scale_timetraps]"
 	      "\n\t[-create_priv_dir auto_per_run | auto_per_tc | manual_per_tc]"
 	      "\n\t[-basic_html]"
-	      "\n\t[-repeat N [-force_stop]] |"
-	      "\n\t[-duration HHMMSS [-force_stop]] |"
-	      "\n\t[-until [YYMoMoDD]HHMMSS [-force_stop]]\n\n"),
+	      "\n\t[-repeat N] |"
+	      "\n\t[-duration HHMMSS [-force_stop [skip_rest]]] |"
+	      "\n\t[-until [YYMoMoDD]HHMMSS [-force_stop [skip_rest]]]\n\n"),
     io:format("Refresh the HTML index files:\n\n"
 	      "\tct_run -refresh_logs [LogDir]"
 	      "[-logdir LogDir] "
@@ -2933,6 +2933,8 @@ opts2args(EnvStartOpts) ->
 			  [];
 		     ({create_priv_dir,PD}) when is_atom(PD) ->
 			  [{create_priv_dir,[atom_to_list(PD)]}];
+		     ({force_stop,skip_rest}) ->
+			  [{force_stop,["skip_rest"]}];
 		     ({force_stop,true}) ->
 			  [{force_stop,[]}];
 		     ({force_stop,false}) ->
diff --git a/lib/common_test/test/Makefile b/lib/common_test/test/Makefile
index a9ebd8f1d3..94569fa87f 100644
--- a/lib/common_test/test/Makefile
+++ b/lib/common_test/test/Makefile
@@ -38,6 +38,7 @@ MODULES= \
 	ct_groups_spec_SUITE \
 	ct_sequence_1_SUITE \
 	ct_repeat_1_SUITE \
+	ct_repeat_testrun_SUITE \
 	ct_testspec_1_SUITE \
 	ct_testspec_2_SUITE \
 	ct_testspec_3_SUITE \
diff --git a/lib/common_test/test/ct_repeat_testrun_SUITE.erl b/lib/common_test/test/ct_repeat_testrun_SUITE.erl
new file mode 100644
index 0000000000..7ec384c932
--- /dev/null
+++ b/lib/common_test/test/ct_repeat_testrun_SUITE.erl
@@ -0,0 +1,378 @@
+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2013. 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%
+%%
+
+%%%-------------------------------------------------------------------
+%%% File: ct_repeat_test_SUITE
+%%%
+%%% Description:
+%%% Test different options for repeating test runs:
+%%%   -repeat N
+%%%   -duration T [-force_stop [skip_rest]]
+%%%   -until T [-force_stop [skip_rest]]
+%%%
+%%%-------------------------------------------------------------------
+-module(ct_repeat_testrun_SUITE).
+
+-compile(export_all).
+
+-include_lib("common_test/include/ct.hrl").
+-include_lib("common_test/include/ct_event.hrl").
+
+-define(eh, ct_test_support_eh).
+-define(skip_reason, "Repeated test stopped by force_stop option").
+-define(skipped, {skipped, ?skip_reason}).
+
+
+%% Timers used in this test.
+%% Each test suite consists of
+%%
+%% [tc1,tc2,{group,g,[tc1,tc2]},tc2]
+%%
+%% In r1_SUITE tc1 has a sleep of 10 sec - all other test cases just
+%% return ok.
+%%
+%% => One complete test run of two suites r1_SUITE + r2_SUITE is at
+%% least 20 seconds (10 sec for each r1_SUITE:tc1)
+%%
+-define(t1,30). % time shall expire during second run of r1_SUITE
+-define(t2,6).  % time shall expire during first run of tc1
+-define(t3,16).  % time shall expire during second run of tc1
+
+
+%%--------------------------------------------------------------------
+%% TEST SERVER CALLBACK FUNCTIONS
+%%--------------------------------------------------------------------
+
+%%--------------------------------------------------------------------
+%% Description: Since Common Test starts another Test Server
+%% instance, the tests need to be performed on a separate node (or
+%% there will be clashes with logging processes etc).
+%%--------------------------------------------------------------------
+init_per_suite(Config0) ->
+    Config = ct_test_support:init_per_suite(Config0),
+    DataDir = ?config(data_dir, Config),
+    Suite1 = filename:join([DataDir,"a_test","r1_SUITE"]),
+    Suite2 = filename:join([DataDir,"b_test","r2_SUITE"]),
+    Opts0 = ct_test_support:get_opts(Config),
+    Opts1 = Opts0 ++ [{suite,Suite1},{testcase,tc2},{label,timing1}],
+    Opts2 = Opts0 ++ [{suite,Suite2},{testcase,tc2},{label,timing2}],
+
+    %% Make sure both suites are compiled
+    {1,0,{0,0}} = ct_test_support:run(ct,run_test,[Opts1],Config),
+    {1,0,{0,0}} = ct_test_support:run(ct,run_test,[Opts2],Config),
+
+    %% Time the shortest testcase to use for offset
+    {T0,{1,0,{0,0}}} = timer:tc(ct_test_support,run,[ct,run_test,[Opts1],Config]),
+
+    %% -2 is to ensure we hit inside the target test case and not after
+%    T = round(T0/1000000)-2,
+    T=0,
+    [{offset,T}|Config].
+
+end_per_suite(Config) ->
+    ct_test_support:end_per_suite(Config).
+
+init_per_testcase(TestCase, Config) ->
+    ct_test_support:init_per_testcase(TestCase, Config).
+
+end_per_testcase(TestCase, Config) ->
+    ct_test_support:end_per_testcase(TestCase, Config).
+
+suite() -> [{ct_hooks,[ts_install_cth]}].
+
+all() ->
+    [
+     repeat_n,
+     duration,
+     duration_force_stop,
+     duration_force_stop_skip_rest,
+     duration_force_stop_skip_rest_group,
+     until,
+     until_force_stop,
+     until_force_stop_skip_rest,
+     until_force_stop_skip_rest_group
+    ].
+
+%%--------------------------------------------------------------------
+%% TEST CASES
+%%--------------------------------------------------------------------
+
+%%%-----------------------------------------------------------------
+%%%
+repeat_n(Config) when is_list(Config) ->
+    DataDir = ?config(data_dir, Config),
+    Dirs = filelib:wildcard(filename:join(DataDir,"*")),
+    {Opts,ERPid} = setup([{dir,Dirs},
+			  {label,repeat_n},
+			  {repeat,2}],
+			 Config),
+    ok = execute(repeat_n, Opts, ERPid, Config).
+
+duration(Config) when is_list(Config) ->
+    DataDir = ?config(data_dir, Config),
+    Dirs = filelib:wildcard(filename:join(DataDir,"*")),
+    {Opts,ERPid} = setup([{dir,Dirs},
+			  {label,duration},
+			  {duration,duration_str(?t1,2,Config)}],
+			 Config),
+    ok = execute(duration, Opts, ERPid, Config).
+
+duration_force_stop(Config) when is_list(Config) ->
+    DataDir = ?config(data_dir, Config),
+    Dirs = filelib:wildcard(filename:join(DataDir,"*")),
+    {Opts,ERPid} = setup([{dir,Dirs},
+			  {label,duration_force_stop},
+			  {duration,duration_str(?t1,2,Config)},
+			  {force_stop,true}],
+			 Config),
+    ok = execute(duration_force_stop, Opts, ERPid, Config).
+
+duration_force_stop_skip_rest(Config) when is_list(Config) ->
+    DataDir = ?config(data_dir, Config),
+    Dirs = filelib:wildcard(filename:join(DataDir,"*")),
+    {Opts,ERPid} = setup([{dir,Dirs},
+			  {label,duration_force_stop_skip_rest},
+			  {duration,duration_str(?t2,1,Config)},
+			  {force_stop,skip_rest}],
+			 Config),
+    ok = execute(duration_force_stop_skip_rest, Opts, ERPid, Config).
+
+duration_force_stop_skip_rest_group(Config) when is_list(Config) ->
+    DataDir = ?config(data_dir, Config),
+    Dirs = filelib:wildcard(filename:join(DataDir,"*")),
+    {Opts,ERPid} = setup([{dir,Dirs},
+			  {label,duration_force_stop_skip_rest_group},
+			  {duration,duration_str(?t3,1,Config)},
+			  {force_stop,skip_rest}],
+			 Config),
+    ok = execute(duration_force_stop_skip_rest_group, Opts, ERPid, Config).
+
+until(Config) when is_list(Config) ->
+    DataDir = ?config(data_dir, Config),
+    Dirs = filelib:wildcard(filename:join(DataDir,"*")),
+    {Opts,ERPid} = setup([{dir,Dirs},
+			  {label,until}],
+			 Config),
+    ExecuteFun =
+	fun() ->
+		[_,_] = ct_test_support:run_ct_run_test(
+			Opts++[{until,until_str(?t1,2,Config)}],Config),
+		0 = ct_test_support:run_ct_script_start(
+		      Opts++[{until,until_str(?t1,2,Config)}],Config)
+	end,
+    ok = execute(ExecuteFun, until, Opts, ERPid, Config).
+
+until_force_stop(Config) when is_list(Config) ->
+    DataDir = ?config(data_dir, Config),
+    Dirs = filelib:wildcard(filename:join(DataDir,"*")),
+    {Opts,ERPid} = setup([{dir,Dirs},
+			  {label,until_force_stop},
+			  {force_stop,true}],
+			 Config),
+    ExecuteFun =
+	fun() ->
+		[_,_] = ct_test_support:run_ct_run_test(
+			  Opts++[{until,until_str(?t1,2,Config)}],Config),
+		0 = ct_test_support:run_ct_script_start(
+		      Opts++[{until,until_str(?t1,2,Config)}],Config)
+	end,
+    ok = execute(ExecuteFun, until_force_stop, Opts, ERPid, Config).
+
+until_force_stop_skip_rest(Config) when is_list(Config) ->
+    DataDir = ?config(data_dir, Config),
+    Dirs = filelib:wildcard(filename:join(DataDir,"*")),
+    {Opts,ERPid} = setup([{dir,Dirs},
+			  {label,until_force_stop_skip_rest},
+			  {force_stop,skip_rest}],
+			 Config),
+    ExecuteFun =
+	fun() ->
+		[_] = ct_test_support:run_ct_run_test(
+			Opts++[{until,until_str(?t2,1,Config)}],Config),
+		1 = ct_test_support:run_ct_script_start(
+		      Opts++[{until,until_str(?t2,1,Config)}],Config)
+	end,
+    ok = execute(ExecuteFun, until_force_stop_skip_rest,
+		 Opts, ERPid, Config).
+
+until_force_stop_skip_rest_group(Config) when is_list(Config) ->
+    DataDir = ?config(data_dir, Config),
+    Dirs = filelib:wildcard(filename:join(DataDir,"*")),
+    {Opts,ERPid} = setup([{dir,Dirs},
+			  {label,until_force_stop_skip_rest_group},
+			  {force_stop,skip_rest}],
+			 Config),
+    ExecuteFun =
+	fun() ->
+		[_] = ct_test_support:run_ct_run_test(
+			Opts++[{until,until_str(?t3,1,Config)}],Config),
+		0 = ct_test_support:run_ct_script_start(
+		      Opts++[{until,until_str(?t3,1,Config)}],Config)
+	end,
+    ok = execute(ExecuteFun,
+		 until_force_stop_skip_rest_group,
+		 Opts, ERPid, Config).
+
+
+%%%-----------------------------------------------------------------
+%%% HELP FUNCTIONS
+%%%-----------------------------------------------------------------
+
+setup(Test, Config) ->
+    Opts0 = ct_test_support:get_opts(Config),
+    Level = ?config(trace_level, Config),
+    EvHArgs = [{cbm,ct_test_support},{trace_level,Level}],
+    Opts = Opts0 ++ [{event_handler,{?eh,EvHArgs}}|Test],
+    ERPid = ct_test_support:start_event_receiver(Config),
+    {Opts,ERPid}.
+
+%% Execute test, first with ct:run_test, then with ct:script_start
+execute(Name, Opts, ERPid, Config) ->
+    ExecuteFun = fun() -> ok = ct_test_support:run(Opts, Config) end,
+    execute(ExecuteFun, Name, Opts, ERPid, Config).
+
+execute(ExecuteFun, Name, Opts, ERPid, Config) ->
+    ExecuteFun(),
+    Events = ct_test_support:get_events(ERPid, Config),
+
+    ct_test_support:log_events(Name,
+			       reformat(Events, ?eh),
+			       ?config(priv_dir, Config),
+			       Opts),
+
+    TestEvents = events_to_check(Name),
+    ct_test_support:verify_events(TestEvents, Events, Config).
+
+reformat(Events, EH) ->
+    ct_test_support:reformat(Events, EH).
+
+%% N is the expected number of repeats
+until_str(Secs0,N,Config) ->
+    Offset = ?config(offset,Config),
+    Secs = Secs0 + N*Offset,
+    Now = calendar:datetime_to_gregorian_seconds(calendar:local_time()),
+    {{Y,Mo,D},{H,M,S}} = calendar:gregorian_seconds_to_datetime(Now+Secs),
+    lists:flatten(io_lib:format("~2..0w~2..0w~2..0w~2..0w~2..0w~2..0w",
+				[Y rem 100, Mo, D, H, M, S])).
+
+%% N is the expected number of repeats
+duration_str(Secs0,N,Config) ->
+    Offset = ?config(offset,Config),
+    Secs = Secs0 + N*Offset,
+    "0000" ++ lists:flatten(io_lib:format("~2..0w",[Secs])).
+
+%%%-----------------------------------------------------------------
+%%% TEST EVENTS
+%%%-----------------------------------------------------------------
+%% 2 tests (ct:run_test + script_start) is default
+events_to_check(C) when C==repeat_n; C==duration; C==until ->
+    dupl(4, start_logging() ++ all_succ() ++ stop_logging());
+events_to_check(C) when C==duration_force_stop; C==until_force_stop ->
+    dupl(2, start_logging() ++
+	     all_succ() ++
+	     stop_logging() ++
+	     start_logging() ++
+	     all_succ(r1_SUITE) ++
+	     stop_logging());
+events_to_check(C) when C==duration_force_stop_skip_rest;
+			C==until_force_stop_skip_rest ->
+    dupl(2, start_logging() ++ skip_first_tc1(r1_SUITE) ++ stop_logging());
+events_to_check(C) when C==duration_force_stop_skip_rest_group;
+			C==until_force_stop_skip_rest_group ->
+    dupl(2, start_logging() ++ skip_tc1_in_group(r1_SUITE) ++ stop_logging()).
+
+dupl(N,List) ->
+    lists:flatten(lists:duplicate(N,List)).
+
+start_logging() ->
+    [{?eh,start_logging,{'DEF','RUNDIR'}}].
+stop_logging() ->
+    [{?eh,stop_logging,[]}].
+
+
+all_succ() ->
+    all_succ(r1_SUITE) ++ all_succ(r2_SUITE).
+
+all_succ(Suite) ->
+    [{?eh,tc_start,{Suite,init_per_suite}},
+     {?eh,tc_done,{Suite,init_per_suite,ok}},
+     {?eh,tc_start,{Suite,tc1}},
+     {?eh,tc_done,{Suite,tc1,ok}},
+     {?eh,test_stats,{'_',0,{0,0}}},
+     {?eh,tc_start,{Suite,tc2}},
+     {?eh,tc_done,{Suite,tc2,ok}},
+     {?eh,test_stats,{'_',0,{0,0}}},
+     [{?eh,tc_start,{Suite,{init_per_group,g,[]}}},
+      {?eh,tc_done,{Suite,{init_per_group,g,[]},ok}},
+      {?eh,tc_start,{Suite,tc1}},
+      {?eh,tc_done,{Suite,tc1,ok}},
+      {?eh,test_stats,{'_',0,{0,0}}},
+      {?eh,tc_start,{Suite,tc2}},
+      {?eh,tc_done,{Suite,tc2,ok}},
+      {?eh,test_stats,{'_',0,{0,0}}},
+      {?eh,tc_start,{Suite,{end_per_group,g,[]}}},
+      {?eh,tc_done,{Suite,{end_per_group,g,[]},ok}}],
+     {?eh,tc_start,{Suite,tc2}},
+     {?eh,tc_done,{Suite,tc2,ok}},
+     {?eh,test_stats,{'_',0,{0,0}}},
+     {?eh,tc_start,{Suite,end_per_suite}},
+     {?eh,tc_done,{Suite,end_per_suite,ok}}].
+
+skip_first_tc1(Suite) ->
+    [{?eh,tc_start,{Suite,init_per_suite}},
+     {?eh,tc_done,{Suite,init_per_suite,ok}},
+     {?eh,tc_start,{Suite,tc1}},
+     {?eh,tc_done,{Suite,tc1,ok}},
+     {?eh,test_stats,{'_',0,{0,0}}},
+     {?eh,tc_done,{Suite,tc2,?skipped}},
+     {?eh,test_stats,{'_',0,{1,0}}},
+     {?eh,tc_done,{Suite,{init_per_group,g,[]},?skipped}},
+     {?eh,tc_auto_skip,{Suite,tc1,?skip_reason}},
+     {?eh,test_stats,{'_',0,{1,1}}},
+     {?eh,tc_auto_skip,{Suite,tc2,?skip_reason}},
+     {?eh,test_stats,{'_',0,{1,2}}},
+     {?eh,tc_auto_skip,{Suite,end_per_group,?skip_reason}},
+     {?eh,tc_done,{Suite,tc2,?skipped}},
+     {?eh,test_stats,{'_',0,{2,2}}},
+     {?eh,tc_start,{Suite,end_per_suite}},
+     {?eh,tc_done,{Suite,end_per_suite,ok}}].
+
+
+skip_tc1_in_group(Suite) ->
+    [{?eh,tc_start,{Suite,init_per_suite}},
+     {?eh,tc_done,{Suite,init_per_suite,ok}},
+     {?eh,tc_start,{Suite,tc1}},
+     {?eh,tc_done,{Suite,tc1,ok}},
+     {?eh,test_stats,{'_',0,{0,0}}},
+     {?eh,tc_start,{Suite,tc2}},
+     {?eh,tc_done,{Suite,tc2,ok}},
+     {?eh,test_stats,{'_',0,{0,0}}},
+     [{?eh,tc_start,{Suite,{init_per_group,g,[]}}},
+      {?eh,tc_done,{Suite,{init_per_group,g,[]},ok}},
+      {?eh,tc_start,{Suite,tc1}},
+      {?eh,tc_done,{Suite,tc1,ok}},
+      {?eh,test_stats,{'_',0,{0,0}}},
+      {?eh,tc_done,{Suite,tc2,?skipped}},
+      {?eh,test_stats,{'_',0,{1,0}}},
+      {?eh,tc_start,{Suite,{end_per_group,g,[]}}},
+      {?eh,tc_done,{Suite,{end_per_group,g,[]},ok}}],
+     {?eh,tc_done,{Suite,tc2,?skipped}},
+     {?eh,test_stats,{'_',0,{2,0}}},
+     {?eh,tc_start,{Suite,end_per_suite}},
+     {?eh,tc_done,{Suite,end_per_suite,ok}}].
diff --git a/lib/common_test/test/ct_repeat_testrun_SUITE_data/a_test/r1_SUITE.erl b/lib/common_test/test/ct_repeat_testrun_SUITE_data/a_test/r1_SUITE.erl
new file mode 100644
index 0000000000..3fd5943691
--- /dev/null
+++ b/lib/common_test/test/ct_repeat_testrun_SUITE_data/a_test/r1_SUITE.erl
@@ -0,0 +1,75 @@
+%%--------------------------------------------------------------------
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2013. 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%
+%%
+%%----------------------------------------------------------------------
+%% File: r1_SUITE.erl
+%%
+%% Description:
+%%
+%%
+%% @author Support
+%% @doc
+%% @end
+%%----------------------------------------------------------------------
+%%----------------------------------------------------------------------
+-module(r1_SUITE).
+-include_lib("common_test/include/ct.hrl").
+
+-compile(export_all).
+
+%% Default timetrap timeout (set in init_per_testcase).
+-define(default_timeout, ?t:seconds(30)).
+
+all() ->
+    testcases() ++ [{group,g},  tc2].
+
+groups() ->
+    [{g,testcases()}].
+
+testcases() ->
+    [tc1,tc2].
+
+init_per_suite(Config) ->
+    Config.
+
+end_per_suite(Config) ->
+    Config.
+
+init_per_group(_, Config) ->
+    Config.
+
+end_per_group(_Group, Config) ->
+    Config.
+
+init_per_testcase(_Case, Config) ->
+    Dog = test_server:timetrap(?default_timeout),
+    [{watchdog, Dog}|Config].
+
+end_per_testcase(_Case, Config) ->
+    Dog=?config(watchdog, Config),
+    test_server:timetrap_cancel(Dog),
+    ok.
+
+%%%-----------------------------------------------------------------
+%%% Test cases
+tc1(_Config) ->
+    timer:sleep(10000),
+    ok.
+
+tc2(_Config) ->
+    ok.
diff --git a/lib/common_test/test/ct_repeat_testrun_SUITE_data/b_test/r2_SUITE.erl b/lib/common_test/test/ct_repeat_testrun_SUITE_data/b_test/r2_SUITE.erl
new file mode 100644
index 0000000000..dc9abc2863
--- /dev/null
+++ b/lib/common_test/test/ct_repeat_testrun_SUITE_data/b_test/r2_SUITE.erl
@@ -0,0 +1,75 @@
+%%--------------------------------------------------------------------
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2013. 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%
+%%
+%%----------------------------------------------------------------------
+%% File: r2_SUITE.erl
+%%
+%% Description:
+%%
+%%
+%% @author Support
+%% @doc
+%% @end
+%%----------------------------------------------------------------------
+%%----------------------------------------------------------------------
+-module(r2_SUITE).
+-include_lib("common_test/include/ct.hrl").
+
+-compile(export_all).
+
+%% Default timetrap timeout (set in init_per_testcase).
+-define(default_timeout, ?t:seconds(30)).
+
+all() ->
+    testcases() ++ [{group,g}, tc2].
+
+groups() ->
+    [{g,testcases()}].
+
+testcases() ->
+    [tc1,tc2].
+
+init_per_suite(Config) ->
+    Config.
+
+end_per_suite(Config) ->
+    Config.
+
+init_per_group(_, Config) ->
+    Config.
+
+end_per_group(_Group, Config) ->
+    Config.
+
+init_per_testcase(_Case, Config) ->
+    Dog = test_server:timetrap(?default_timeout),
+    [{watchdog, Dog}|Config].
+
+end_per_testcase(_Case, Config) ->
+    Dog=?config(watchdog, Config),
+    test_server:timetrap_cancel(Dog),
+    ok.
+
+%%%-----------------------------------------------------------------
+%%% Test cases
+tc1(_Config) ->
+    %% timer:sleep(3000),
+    ok.
+
+tc2(_Config) ->
+    ok.
diff --git a/lib/common_test/test/ct_test_support.erl b/lib/common_test/test/ct_test_support.erl
index 5e109e98e9..70dd087358 100644
--- a/lib/common_test/test/ct_test_support.erl
+++ b/lib/common_test/test/ct_test_support.erl
@@ -29,7 +29,8 @@
 -export([init_per_suite/1, init_per_suite/2, end_per_suite/1,
 	 init_per_testcase/2, end_per_testcase/2,
 	 write_testspec/2, write_testspec/3,
-	 run/2, run/3, run/4, get_opts/1, wait_for_ct_stop/1]).
+	 run/2, run/3, run/4, run_ct_run_test/2, run_ct_script_start/2,
+	 get_opts/1, wait_for_ct_stop/1]).
 
 -export([handle_event/2, start_event_receiver/1, get_events/2,
 	 verify_events/3, verify_events/4, reformat/2, log_events/4,
@@ -224,9 +225,15 @@ get_opts(Config) ->
 %%%-----------------------------------------------------------------
 %%% 
 run(Opts, Config) when is_list(Opts) ->
+    %% use ct interface
+    CtRunTestResult=run_ct_run_test(Opts,Config),
+    %% use run_test interface (simulated)
+    ExitStatus=run_ct_script_start(Opts,Config),
+    check_result(CtRunTestResult,ExitStatus,Opts).
+
+run_ct_run_test(Opts,Config) ->
     CTNode = proplists:get_value(ct_node, Config),
     Level = proplists:get_value(trace_level, Config),
-    %% use ct interface
     test_server:format(Level, "~n[RUN #1] Calling ct:run_test(~p) on ~p~n",
 		       [Opts, CTNode]),
     CtRunTestResult = rpc:call(CTNode, ct, run_test, [Opts]),
@@ -242,7 +249,11 @@ run(Opts, Config) when is_list(Opts) ->
 	    timer:sleep(5000),
 	    undefined = rpc:call(CTNode, erlang, whereis, [ct_util_server])
     end,
-    %% use run_test interface (simulated)
+    CtRunTestResult.
+
+run_ct_script_start(Opts, Config) ->
+    CTNode = proplists:get_value(ct_node, Config),
+    Level = proplists:get_value(trace_level, Config),
     Opts1 = [{halt_with,{?MODULE,ct_test_halt}} | Opts],
     test_server:format(Level, "Saving start opts on ~p: ~p~n",
 		       [CTNode, Opts1]),
@@ -253,27 +264,38 @@ run(Opts, Config) when is_list(Opts) ->
     ExitStatus = rpc:call(CTNode, ct_run, script_start, []),
     test_server:format(Level, "[RUN #2] Got exit status value ~p~n",
 		       [ExitStatus]),
-    case {CtRunTestResult,ExitStatus} of
-	{{_Ok,Failed,{_UserSkipped,_AutoSkipped}},1} when Failed > 0 ->
-	    ok;
-	{{_Ok,0,{_UserSkipped,AutoSkipped}},ExitStatus} when AutoSkipped > 0 ->
-	    case proplists:get_value(exit_status, Opts1) of
-		ignore_config when ExitStatus == 1 ->
-		    {error,{wrong_exit_status,ExitStatus}};
-		_ ->
-		    ok
-	    end;
-	{{error,_}=Error,ExitStatus} ->
-	    if ExitStatus /= 2 ->
-		    {error,{wrong_exit_status,ExitStatus}};
-	       ExitStatus == 2 ->
-		    Error
-	    end;
-	{{_Ok,0,{_UserSkipped,_AutoSkipped}},0} ->
-	    ok;
-	Unexpected ->
-	    {error,{unexpected_return_value,Unexpected}}
-    end.
+    ExitStatus.
+
+check_result({_Ok,Failed,{_UserSkipped,_AutoSkipped}},1,_Opts)
+  when Failed > 0 ->
+    ok;
+check_result({_Ok,0,{_UserSkipped,AutoSkipped}},ExitStatus,Opts)
+  when AutoSkipped > 0 ->
+    case proplists:get_value(exit_status, Opts) of
+	ignore_config when ExitStatus == 1 ->
+	    {error,{wrong_exit_status,ExitStatus}};
+	_ ->
+	    ok
+    end;
+check_result({error,_}=Error,2,_Opts) ->
+    Error;
+check_result({error,_},ExitStatus,_Opts) ->
+    {error,{wrong_exit_status,ExitStatus}};
+check_result({_Ok,0,{_UserSkipped,_AutoSkipped}},0,_Opts) ->
+    ok;
+check_result(CtRunTestResult,ExitStatus,Opts)
+  when is_list(CtRunTestResult) -> % repeated testruns
+    try check_result(sum_testruns(CtRunTestResult,0,0,0,0),ExitStatus,Opts)
+    catch _:_ ->
+	    {error,{unexpected_return_value,{CtRunTestResult,ExitStatus}}}
+    end;
+check_result(CtRunTestResult,ExitStatus,_Opts) ->
+    {error,{unexpected_return_value,{CtRunTestResult,ExitStatus}}}.
+
+sum_testruns([{O,F,{US,AS}}|T],Ok,Failed,UserSkipped,AutoSkipped) ->
+    sum_testruns(T,Ok+O,Failed+F,UserSkipped+US,AutoSkipped+AS);
+sum_testruns([],Ok,Failed,UserSkipped,AutoSkipped) ->
+    {Ok,Failed,{UserSkipped,AutoSkipped}}.
 
 run(M, F, A, Config) ->
     run({M,F,A}, [], Config).
diff --git a/lib/test_server/src/test_server_gl.erl b/lib/test_server/src/test_server_gl.erl
index 766a4537a2..2e4f223811 100644
--- a/lib/test_server/src/test_server_gl.erl
+++ b/lib/test_server/src/test_server_gl.erl
@@ -197,7 +197,7 @@ handle_info({io_request,From,ReplyAs,Req}=IoReq, St) ->
 	    From ! {io_reply,ReplyAs,ok}
     catch
 	_:_ ->
-	    {io_reply,ReplyAs,{error,arguments}}
+	    From ! {io_reply,ReplyAs,{error,arguments}}
     end,
     {noreply,St};
 handle_info({structured_io,ClientPid,{Detail,Str}}, St) ->
diff --git a/lib/test_server/test/test_server_SUITE.erl b/lib/test_server/test/test_server_SUITE.erl
index 1a2fc632da..cf1df6df34 100644
--- a/lib/test_server/test/test_server_SUITE.erl
+++ b/lib/test_server/test/test_server_SUITE.erl
@@ -104,7 +104,7 @@ test_server_SUITE(Config) ->
 %    rpc:call(Node,dbg, tpl,[test_server_ctrl,x]),
     run_test_server_tests("test_server_SUITE",
 			  [{test_server_SUITE,skip_case7,"SKIPPED!"}],
-			  38, 1, 30, 19, 9, 1, 11, 2, 25, Config).
+			  39, 1, 31, 20, 9, 1, 11, 2, 26, Config).
 
 test_server_parallel01_SUITE(Config) ->
     run_test_server_tests("test_server_parallel01_SUITE", [],
diff --git a/lib/test_server/test/test_server_SUITE_data/test_server_SUITE.erl b/lib/test_server/test/test_server_SUITE_data/test_server_SUITE.erl
index fc2adcd651..6c50efa712 100644
--- a/lib/test_server/test/test_server_SUITE_data/test_server_SUITE.erl
+++ b/lib/test_server/test/test_server_SUITE_data/test_server_SUITE.erl
@@ -1,7 +1,7 @@
 %%
 %% %CopyrightBegin%
 %%
-%% Copyright Ericsson AB 1997-2012. All Rights Reserved.
+%% Copyright Ericsson AB 1997-2013. 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
@@ -38,7 +38,8 @@
 	 conf_init/1, check_new_conf/1, conf_cleanup/1,
 	 check_old_conf/1, conf_init_fail/1, start_stop_node/1,
 	 cleanup_nodes_init/1, check_survive_nodes/1, cleanup_nodes_fin/1,
-	 commercial/1]).
+	 commercial/1,
+	 io_invalid_data/1]).
 
 -export([dummy_function/0,dummy_function/1,doer/1]).
 
@@ -47,7 +48,7 @@ all(suite) ->
     [config, comment, timetrap, timetrap_cancel, multiply_timetrap,
      init_per_s, init_per_tc, end_per_tc,
      timeconv, msgs, capture, timecall, do_times, skip_cases,
-     commercial,
+     commercial, io_invalid_data,
      {conf, conf_init, [check_new_conf], conf_cleanup},
      check_old_conf,
      {conf, conf_init_fail,[conf_member_skip],conf_cleanup_skip},
@@ -497,4 +498,8 @@ commercial(Config) when is_list(Config) ->
 	true -> {comment,"Commercial build"}
     end.
 
-	    
+io_invalid_data(Config) when is_list(Config) ->
+    ok = io:put_chars("valid: " ++ [42]),
+    %% OTP-10991 caused this to hang and produce a timetrap timeout:
+    {'EXIT',{badarg,_}} = (catch io:put_chars("invalid: " ++ [42.0])),
+    ok.