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-rw-r--r--lib/diameter/test/diameter_traffic_SUITE.erl10
-rw-r--r--lib/diameter/test/diameter_util.erl13
2 files changed, 10 insertions, 13 deletions
diff --git a/lib/diameter/test/diameter_traffic_SUITE.erl b/lib/diameter/test/diameter_traffic_SUITE.erl
index 6aa3ffb7af..bb10638cd2 100644
--- a/lib/diameter/test/diameter_traffic_SUITE.erl
+++ b/lib/diameter/test/diameter_traffic_SUITE.erl
@@ -341,7 +341,11 @@ init_per_group(Name, Config) ->
server_strings = SD,
server_sender = SS,
server_throttle = ST},
- [{group, G} | Config];
+ %% Limit the number of testcase, since the number of
+ %% groups is large.
+ All = ?util:scramble(tc()),
+ TCs = lists:sublist(All, rand:uniform(32)),
+ [{group, G}, {runlist, TCs} | Config];
_ ->
Config
end.
@@ -359,12 +363,16 @@ end_per_group(_, _) ->
%% Skip testcases that can reasonably fail under SCTP.
init_per_testcase(Name, Config) ->
+ TCs = proplists:get_value(runlist, Config, []),
+ Run = [] == TCs orelse lists:member(Name, TCs),
case [G || #group{transport = sctp} = G
<- [proplists:get_value(group, Config)]]
of
[_] when Name == send_maxlen;
Name == send_long ->
{skip, sctp};
+ _ when not Run ->
+ {skip, random};
_ ->
[{testcase, Name} | Config]
end.
diff --git a/lib/diameter/test/diameter_util.erl b/lib/diameter/test/diameter_util.erl
index 81b43913de..7266d3678c 100644
--- a/lib/diameter/test/diameter_util.erl
+++ b/lib/diameter/test/diameter_util.erl
@@ -173,18 +173,7 @@ recvl([{MRef, F} | L], Ref, Fun, Acc) ->
%% Sort a list into random order.
scramble(L) ->
- foldl(fun(true, _, S, false) -> S end,
- false,
- [[fun s/1, L]]).
-
-s(L) ->
- s([], L).
-
-s(Acc, []) ->
- Acc;
-s(Acc, L) ->
- {H, [T|Rest]} = lists:split(rand:uniform(length(L)) - 1, L),
- s([T|Acc], H ++ Rest).
+ [X || {_,X} <- lists:sort([{rand:uniform(), T} || T <- L])].
%% ---------------------------------------------------------------------------
%% unique_string/0