[1573] renamed new private method for consistency

addNXRRsetDenial() -> addNXRRsetProof()

also added a few comments to test data

src/bin/auth/query.cc

@@ -254,7 +254,7 @@ Query::addDS(ZoneFinder& finder, const Name& dname) {
                            boost::const_pointer_cast<RRset>(ds_result.rrset),
                            dnssec_);
     } else if (ds_result.code == ZoneFinder::NXRRSET) {
-        addNXRRsetDenial(finder, ds_result);
+        addNXRRsetProof(finder, ds_result);
     } else {
         // Any other case should be an error
         isc_throw(BadDS, "Unexpected result for DS lookup for delegation");
@@ -262,8 +262,8 @@ Query::addDS(ZoneFinder& finder, const Name& dname) {
 }
 
 void
-Query::addNXRRsetDenial(ZoneFinder& finder,
-                        const ZoneFinder::FindResult& db_result)
+Query::addNXRRsetProof(ZoneFinder& finder,
+                       const ZoneFinder::FindResult& db_result)
 {
     if (db_result.isNSECSigned() && db_result.rrset) {
         response_.addRRset(Message::SECTION_AUTHORITY,
@@ -447,7 +447,7 @@ Query::process() {
         case ZoneFinder::NXRRSET:
             addSOA(*result.zone_finder);
             if (dnssec_) {
-                addNXRRsetDenial(zfinder, db_result);
+                addNXRRsetProof(zfinder, db_result);
             }
             break;
         default:

src/bin/auth/query.h

@@ -94,7 +94,7 @@ private:
     /// \param finder The ZoneFinder that was used to search for the missing
     ///               data
     /// \param db_result The ZoneFinder::FindResult returned by find()
-    void addNXRRsetDenial(isc::datasrc::ZoneFinder& finder,
+    void addNXRRsetProof(isc::datasrc::ZoneFinder& finder,
         const isc::datasrc::ZoneFinder::FindResult& db_result);
 
     /// Add NSEC RRs that prove an NXDOMAIN result.

src/bin/auth/tests/query_unittest.cc

@@ -163,20 +163,23 @@ const char* const nsec3_www_txt =
     "q04jkcevqvmu85r014c7dkba38o0ji5r.example.com. 3600 IN NSEC3 1 1 12 "
     "aabbccdd r53bq7cc2uvmubfu5ocmm6pers9tk9en A RRSIG\n";
 
+// (Secure) delegation data; Delegation with DS record
 const char* const signed_delegation_txt =
     "signed-delegation.example.com. 3600 IN NS ns.example.net.\n";
-
 const char* const signed_delegation_ds_txt =
     "signed-delegation.example.com. 3600 IN DS 12345 8 2 "
     "764501411DE58E8618945054A3F620B36202E115D015A7773F4B78E0F952CECA\n";
 
+// (Secure) delegation data; Delegation without DS record (and NSEC denying
+// its existence.
 const char* const unsigned_delegation_txt =
     "unsigned-delegation.example.com. 3600 IN NS ns.example.net.\n";
-
 const char* const unsigned_delegation_nsec_txt =
     "unsigned-delegation.example.com. 3600 IN NSEC "
     "*.uwild.example.com. NS RRSIG NSEC\n";
 
+// (Secure) delegation data; Delegation where the DS lookup will raise an
+// exception.
 const char* const bad_delegation_txt =
     "bad-delegation.example.com. 3600 IN NS ns.example.net.\n";