-$sptps_test -4 -dq $d1/server.priv $d1/client.pub 32750 <Makefile &
-sleep 1
-sleep 1 | $sptps_test -4 -dq $d1/client.priv $d1/server.pub localhost 32750 >$d1/out3
-cmp $d1/out3 Makefile
+$SPTPS_TEST -4 "$server_priv" "$client_pub" $port >"$DIR_FOO/out1"
+diff -w "$DIR_FOO/out1" "$reference"
+
+$SPTPS_TEST -4 -q "$server_priv" "$client_pub" $port <"$reference" &
+sleep 3
+$SPTPS_TEST -4 "$client_priv" "$server_pub" localhost $port >"$DIR_FOO/out2"
+diff -w "$DIR_FOO/out2" "$reference"
+
+echo [STEP] Datagram mode
+
+$SPTPS_TEST -4 -dq "$server_priv" "$client_pub" $port <"$reference" &
+sleep 3
+sleep 3 | $SPTPS_TEST -4 -dq "$client_priv" "$server_pub" localhost $port >"$DIR_FOO/out3"
+diff -w "$DIR_FOO/out3" "$reference"