public void TestDuplicate()
{
testName = "TestDuplicate";
testHome = testFixtureHome + "/" + testName;
string dbFileName = testHome + "/" + testName + ".db";
string dbSecFileName = testHome + "/" + testName +
"_sec.db";
Configuration.ClearDir(testHome);
// Open a primary database.
BTreeDatabaseConfig dbConfig =
new BTreeDatabaseConfig();
dbConfig.Creation = CreatePolicy.IF_NEEDED;
BTreeDatabase db = BTreeDatabase.Open(
dbFileName, dbConfig);
// Open a secondary database.
SecondaryBTreeDatabaseConfig secConfig =
new SecondaryBTreeDatabaseConfig(db,
new SecondaryKeyGenDelegate(SecondaryKeyGen));
secConfig.Creation = CreatePolicy.IF_NEEDED;
secConfig.Duplicates = DuplicatesPolicy.UNSORTED;
SecondaryBTreeDatabase secDB =
SecondaryBTreeDatabase.Open(dbSecFileName,
secConfig);
// Put a pair of key and data into the database.
DatabaseEntry key, data;
key = new DatabaseEntry(
ASCIIEncoding.ASCII.GetBytes("key"));
data = new DatabaseEntry(
ASCIIEncoding.ASCII.GetBytes("data"));
db.Put(key, data);
// Create a cursor.
SecondaryCursor cursor = secDB.SecondaryCursor();
cursor.Move(key, true);
// Duplicate the cursor.
SecondaryCursor dupCursor;
dupCursor = cursor.Duplicate(true);
/*
* Confirm that the duplicate cursor has the same
* position as the original one.
*/
Assert.AreEqual(cursor.Current.Key,
dupCursor.Current.Key);
Assert.AreEqual(cursor.Current.Value,
dupCursor.Current.Value);
// Close the cursor and the duplicate cursor.
dupCursor.Close();
cursor.Close();
// Close secondary and primary database.
secDB.Close();
db.Close();
}
