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-rw-r--r--lib/ssh/test/ssh_test_lib.erl35
1 files changed, 35 insertions, 0 deletions
diff --git a/lib/ssh/test/ssh_test_lib.erl b/lib/ssh/test/ssh_test_lib.erl
index 6233680dce..6fd401d182 100644
--- a/lib/ssh/test/ssh_test_lib.erl
+++ b/lib/ssh/test/ssh_test_lib.erl
@@ -208,6 +208,16 @@ reply(TestCase, Result) ->
rcv_expected(Expect, SshPort, Timeout) ->
receive
+ {SshPort, Recvd} when is_function(Expect) ->
+ case Expect(Recvd) of
+ true ->
+ ct:log("Got expected ~p from ~p",[Recvd,SshPort]),
+ catch port_close(SshPort),
+ rcv_lingering(50);
+ false ->
+ ct:log("Got UNEXPECTED ~p~n",[Recvd]),
+ rcv_expected(Expect, SshPort, Timeout)
+ end;
{SshPort, Expect} ->
ct:log("Got expected ~p from ~p",[Expect,SshPort]),
catch port_close(SshPort),
@@ -767,3 +777,28 @@ open_port(Arg1, ExtraOpts) ->
use_stdio,
overlapped_io, hide %only affects windows
| ExtraOpts]).
+
+%%%----------------------------------------------------------------
+%%% Sleeping
+
+%%% Milli sec
+sleep_millisec(Nms) -> receive after Nms -> ok end.
+
+%%% Micro sec
+sleep_microsec(Nus) ->
+ busy_wait(Nus, erlang:system_time(microsecond)).
+
+busy_wait(Nus, T0) ->
+ T = erlang:system_time(microsecond) - T0,
+ Tleft = Nus - T,
+ if
+ Tleft > 2000 ->
+ sleep_millisec((Tleft-1500) div 1000), % μs -> ms
+ busy_wait(Nus,T0);
+ Tleft > 1 ->
+ busy_wait(Nus, T0);
+ true ->
+ T
+ end.
+
+%%%----------------------------------------------------------------