#14 Validate single COV message.

src/test/java/no/entra/bacnet/json/services/SubscriptionCovTest.java

@@ -0,0 +1,25 @@
+package no.entra.bacnet.json.services;
+
+import no.entra.bacnet.json.bvlc.BvlcParser;
+import no.entra.bacnet.json.bvlc.BvlcResult;
+import no.entra.bacnet.json.npdu.NpduParser;
+import no.entra.bacnet.json.npdu.NpduResult;
+import no.entra.bacnet.json.objects.PduType;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+public class SubscriptionCovTest {
+
+
+    @Test
+    void findConfirmedCov() {
+        String observedHex = "810a002501040005720109121c0212c0e72c0000000039004e095519012e4441a5999a2f4f0000000";
+        BvlcResult bvlcResult = BvlcParser.parse(observedHex);
+        NpduResult npduResult = NpduParser.parse(bvlcResult.getUnprocessedHexString());
+        String apduHexString = npduResult.getUnprocessedHexString();
+        ConfirmedService whoHasService = (ConfirmedService) ServiceParser.fromApduHexString(apduHexString);
+        assertEquals(PduType.ConfirmedRequest, whoHasService.getPduType());
+        assertEquals(ConfirmedServiceChoice.SubscribeCov, whoHasService.getServiceChoice());
+    }
+}