public void TestHashComparison()
{
testName = "TestHashComparison";
SetUpTest(true);
string dbFileName = testHome + "/" + testName + ".db";
HashDatabaseConfig dbConfig = new HashDatabaseConfig();
dbConfig.Creation = CreatePolicy.IF_NEEDED;
dbConfig.HashComparison = new EntryComparisonDelegate(EntryComparison);
HashDatabase db = HashDatabase.Open(dbFileName, dbConfig);
int ret;
/*
* Comparison gets the value that lowest byte of the
* former dbt minus that of the latter one.
*/
ret = db.Compare(new DatabaseEntry(BitConverter.GetBytes(2)),
new DatabaseEntry(BitConverter.GetBytes(2)));
Assert.AreEqual(0, ret);
ret = db.Compare(new DatabaseEntry(BitConverter.GetBytes(256)),
new DatabaseEntry(BitConverter.GetBytes(1)));
Assert.Greater(0, ret);
db.Close();
}
