Add tests for UDP proxy packing option
diff --git a/tests/ssl-opt.sh b/tests/ssl-opt.sh
index 2ff4110..34aa43f 100755
--- a/tests/ssl-opt.sh
+++ b/tests/ssl-opt.sh
@@ -3777,6 +3777,22 @@
             -s "Extra-header:" \
             -c "HTTP/1.0 200 OK"
 
+run_test    "DTLS proxy: multiple records in same datagram" \
+            -p "$P_PXY pack=10" \
+            "$P_SRV dtls=1 debug_level=2" \
+            "$P_CLI dtls=1 debug_level=2" \
+            0 \
+            -c "next record in same datagram" \
+            -s "next record in same datagram"
+
+run_test    "DTLS proxy: multiple records in same datagram, duplicate every packet" \
+            -p "$P_PXY pack=10 duplicate=1" \
+            "$P_SRV dtls=1 debug_level=2" \
+            "$P_CLI dtls=1 debug_level=2" \
+            0 \
+            -c "next record in same datagram" \
+            -s "next record in same datagram"
+
 run_test    "DTLS proxy: inject invalid AD record, default badmac_limit" \
             -p "$P_PXY bad_ad=1" \
             "$P_SRV dtls=1 debug_level=1" \