[2218] Remove duplicate code from old memory datasrc test

Though it strictly has nothing to do with this branch, this was the
reason there was code duplication in #2109 to begin with.

src/lib/datasrc/tests/memory_datasrc_unittest.cc

@@ -293,77 +293,6 @@ setRRset(RRsetPtr rrset, vector<RRsetPtr*>::iterator& it) {
     ++it;
 }
 
-// Some faked NSEC3 hash values commonly used in tests and the faked NSEC3Hash
-// object.
-//
-// For apex (example.org)
-const char* const apex_hash = "0P9MHAVEQVM6T7VBL5LOP2U3T2RP3TOM";
-const char* const apex_hash_lower = "0p9mhaveqvm6t7vbl5lop2u3t2rp3tom";
-// For ns1.example.org
-const char* const ns1_hash = "2T7B4G4VSA5SMI47K61MV5BV1A22BOJR";
-// For w.example.org
-const char* const w_hash = "01UDEMVP1J2F7EG6JEBPS17VP3N8I58H";
-// For x.y.w.example.org (lower-cased)
-const char* const xyw_hash = "2vptu5timamqttgl4luu9kg21e0aor3s";
-// For zzz.example.org.
-const char* const zzz_hash = "R53BQ7CC2UVMUBFU5OCMM6PERS9TK9EN";
-
-// A simple faked NSEC3 hash calculator with a dedicated creator for it.
-//
-// This is used in some NSEC3-related tests below.
-class TestNSEC3HashCreator : public NSEC3HashCreator {
-    class TestNSEC3Hash : public NSEC3Hash {
-    private:
-        typedef map<Name, string> NSEC3HashMap;
-        typedef NSEC3HashMap::value_type NSEC3HashPair;
-        NSEC3HashMap map_;
-    public:
-        TestNSEC3Hash() {
-            // Build pre-defined hash
-            map_[Name("example.org")] = apex_hash;
-            map_[Name("www.example.org")] = "2S9MHAVEQVM6T7VBL5LOP2U3T2RP3TOM";
-            map_[Name("xxx.example.org")] = "Q09MHAVEQVM6T7VBL5LOP2U3T2RP3TOM";
-            map_[Name("yyy.example.org")] = "0A9MHAVEQVM6T7VBL5LOP2U3T2RP3TOM";
-            map_[Name("x.y.w.example.org")] =
-                "2VPTU5TIMAMQTTGL4LUU9KG21E0AOR3S";
-            map_[Name("y.w.example.org")] = "K8UDEMVP1J2F7EG6JEBPS17VP3N8I58H";
-            map_[Name("w.example.org")] = w_hash;
-            map_[Name("zzz.example.org")] = zzz_hash;
-            map_[Name("smallest.example.org")] =
-                "00000000000000000000000000000000";
-            map_[Name("largest.example.org")] =
-                "UUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUU";
-        }
-        virtual string calculate(const Name& name) const {
-            const NSEC3HashMap::const_iterator found = map_.find(name);
-            if (found != map_.end()) {
-                return (found->second);
-            }
-            isc_throw(isc::Unexpected, "unexpected name for NSEC3 test: "
-                      << name);
-        }
-        virtual bool match(const generic::NSEC3PARAM&) const {
-            return (true);
-        }
-        virtual bool match(const generic::NSEC3&) const {
-            return (true);
-        }
-    };
-
-public:
-    virtual NSEC3Hash* create(const generic::NSEC3PARAM&) const {
-        return (new TestNSEC3Hash);
-    }
-    virtual NSEC3Hash* create(const generic::NSEC3&) const {
-        return (new TestNSEC3Hash);
-    }
-    virtual NSEC3Hash* create(uint8_t, uint16_t,
-                              const vector<uint8_t>&) const {
-    return (new TestNSEC3Hash);
-}
-
-};
-
 /// \brief Test fixture for the InMemoryZoneFinder class
 class InMemoryZoneFinderTest : public ::testing::Test {
     // A straightforward pair of textual RR(set) and a RRsetPtr variable