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-rw-r--r--lib/kernel/test/heart_SUITE.erl13
1 files changed, 10 insertions, 3 deletions
diff --git a/lib/kernel/test/heart_SUITE.erl b/lib/kernel/test/heart_SUITE.erl
index 83efbb4c35..02954aa54c 100644
--- a/lib/kernel/test/heart_SUITE.erl
+++ b/lib/kernel/test/heart_SUITE.erl
@@ -352,9 +352,16 @@ clear_cmd(Config) when is_list(Config) ->
get_cmd(suite) -> [];
get_cmd(Config) when is_list(Config) ->
{ok, Node} = start_check(slave, heart_test),
- Cmd = "test",
- ok = rpc:call(Node, heart, set_cmd, [Cmd]),
- {ok, Cmd} = rpc:call(Node, heart, get_cmd, []),
+
+ ShortCmd = "test",
+ ok = rpc:call(Node, heart, set_cmd, [ShortCmd]),
+ {ok, ShortCmd} = rpc:call(Node, heart, get_cmd, []),
+
+ %% This would hang prior to OTP-15024 being fixed.
+ LongCmd = [$a || _ <- lists:seq(1, 160)],
+ ok = rpc:call(Node, heart, set_cmd, [LongCmd]),
+ {ok, LongCmd} = rpc:call(Node, heart, get_cmd, []),
+
stop_node(Node),
ok.