2 files changed, 40 insertions, 15 deletions
diff --git a/lib/stdlib/test/stdlib_SUITE.erl b/lib/stdlib/test/stdlib_SUITE.erl
index 6669a21b9c..206eb4fd74 100644
--- a/lib/stdlib/test/stdlib_SUITE.erl
+++ b/lib/stdlib/test/stdlib_SUITE.erl
@@ -1,7 +1,7 @@
 %%
 %% %CopyrightBegin%
 %% 
-%% Copyright Ericsson AB 1997-2014. All Rights Reserved.
+%% Copyright Ericsson AB 1997-2015. 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
@@ -172,9 +172,16 @@ major_upgrade(Config) ->
 
 %% Version numbers are checked by ct_release_test, so there is nothing
 %% more to check here...
-upgrade_init(State) ->
+upgrade_init(CtData,State) ->
+    {ok,{FromVsn,ToVsn}} = ct_release_test:get_app_vsns(CtData,stdlib),
+    case ct_release_test:get_appup(CtData,stdlib) of
+	{ok,{FromVsn,ToVsn,[restart_new_emulator],[restart_new_emulator]}} ->
+	    io:format("Upgrade/downgrade ~p <--> ~p",[FromVsn,ToVsn]);
+	{error,{vsn_not_found,_}} when FromVsn==ToVsn ->
+	    io:format("No upgrade test for stdlib, same version")
+    end,
     State.
-upgrade_upgraded(State) ->
+upgrade_upgraded(_CtData,State) ->
     State.
-upgrade_downgraded(State) ->
+upgrade_downgraded(_CtData,State) ->
     State.
diff --git a/lib/stdlib/test/string_SUITE.erl b/lib/stdlib/test/string_SUITE.erl
index fccd1bef95..a55c710d50 100644
--- a/lib/stdlib/test/string_SUITE.erl
+++ b/lib/stdlib/test/string_SUITE.erl
@@ -217,21 +217,39 @@ substr(Config) when is_list(Config) ->
     ?line {'EXIT',_} = (catch string:substr("1234", "1")),
     ok.
 
-tokens(suite) ->
-    [];
-tokens(doc) ->
-    [];
 tokens(Config) when is_list(Config) ->
-    ?line [] = string:tokens("",""),
-    ?line [] = string:tokens("abc","abc"),
-    ?line ["abc"] = string:tokens("abc", ""),
-    ?line ["1","2 34","4","5"] = string:tokens("1,2 34,4;5", ";,"),
-    %% invalid arg type
-    ?line {'EXIT',_} = (catch string:tokens('x,y', ",")), 
+    [] = string:tokens("",""),
+    [] = string:tokens("abc","abc"),
+    ["abc"] = string:tokens("abc", ""),
+    ["1","2 34","45","5","6","7"] = do_tokens("1,2 34,45;5,;6;,7", ";,"),
+
     %% invalid arg type
-    ?line {'EXIT',_} = (catch string:tokens("x,y", ',')), 
+    {'EXIT',_} = (catch string:tokens('x,y', ",")),
+    {'EXIT',_} = (catch string:tokens("x,y", ',')),
     ok.
 
+do_tokens(S0, Sep0) ->
+    [H|T] = Sep0,
+    S = [replace_sep(C, T, H) || C <- S0],
+    Sep = [H],
+    io:format("~p ~p\n", [S0,Sep0]),
+    io:format("~p ~p\n", [S,Sep]),
+
+    Res = string:tokens(S0, Sep0),
+    Res = string:tokens(Sep0++S0, Sep0),
+    Res = string:tokens(S0++Sep0, Sep0),
+
+    Res = string:tokens(S, Sep),
+    Res = string:tokens(Sep++S, Sep),
+    Res = string:tokens(S++Sep, Sep),
+
+    Res.
+
+replace_sep(C, Seps, New) ->
+    case lists:member(C, Seps) of
+	true -> New;
+	false -> C
+    end.
 
 chars(suite) ->
     [];