public void TestHashFunction()
        {
            testName = "TestHashFunction";
            SetUpTest(true);
            string dbFileName = testHome + "/" + testName + ".db";

            HashDatabaseConfig dbConfig = new HashDatabaseConfig();

            dbConfig.Creation     = CreatePolicy.IF_NEEDED;
            dbConfig.HashFunction = new HashFunctionDelegate(HashFunction);
            HashDatabase db = HashDatabase.Open(dbFileName, dbConfig);

            // Hash function will change the lowest byte to 0;
            uint data = db.HashFunction(BitConverter.GetBytes(1));

            Assert.AreEqual(0, data);
            db.Close();
        }