Add test decode invalid cbor message

Author: pennam

extras/test/src/test_command_decode.cpp

@@ -709,4 +709,21 @@ SCENARIO("Test the decoding of command messages") {
     }
   }
 
+  /****************************************************************************/
+
+  WHEN("Decode an invalid CBOR message")
+  {
+    CommandDown command;
+
+    uint8_t const payload[] = {0xFF};
+
+    size_t payload_length = sizeof(payload) / sizeof(uint8_t);
+    CBORMessageDecoder decoder;
+    Decoder::Status err =  decoder.decode((Message*)&command, payload, payload_length);
+
+    THEN("The decode is unsuccessful") {
+      REQUIRE(err == Decoder::Status::Error);
+    }
+  }
+
 }