public void TestAddKeyLast()
{
BTreeDatabase db;
BTreeCursor cursor;
KeyValuePair <DatabaseEntry, DatabaseEntry> pair;
testName = "TestAddKeyLast";
testHome = testFixtureHome + "/" + testName;
Configuration.ClearDir(testHome);
// Add record("key", "data") into database.
CursorTest.GetCursorInBtreeDBWithoutEnv(testHome, testName,
out db, out cursor);
CursorTest.AddOneByCursor(db, cursor);
// Add new record("key","data1") as the last of the data item of "key".
pair = new KeyValuePair <DatabaseEntry, DatabaseEntry>(
new DatabaseEntry(ASCIIEncoding.ASCII.GetBytes("key")),
new DatabaseEntry(ASCIIEncoding.ASCII.GetBytes("data1")));
cursor.Add(pair, Cursor.InsertLocation.LAST);
// Confirm the record is added as the first of the data item of "key".
cursor.Move(new DatabaseEntry(ASCIIEncoding.ASCII.GetBytes("key")), true);
Assert.AreNotEqual(ASCIIEncoding.ASCII.GetBytes("data1"),
cursor.Current.Value.Data);
cursor.Close();
db.Close();
}
public void TestInsertAfter()
{
BTreeDatabase db;
BTreeCursor cursor;
DatabaseEntry data;
KeyValuePair <DatabaseEntry, DatabaseEntry> pair;
testName = "TestInsertAfter";
SetUpTest(true);
// Add record("key", "data") into database.
CursorTest.GetCursorInBtreeDBWithoutEnv(testHome, testName,
out db, out cursor);
CursorTest.AddOneByCursor(db, cursor);
// Insert the new record("key","data1") after the record("key", "data").
data = new DatabaseEntry(ASCIIEncoding.ASCII.GetBytes("data1"));
cursor.Insert(data, Cursor.InsertLocation.AFTER);
/*
* Move the cursor to the record("key", "data") and confirm that
* the next record is the one just inserted.
*/
pair = new KeyValuePair <DatabaseEntry, DatabaseEntry>(
new DatabaseEntry(ASCIIEncoding.ASCII.GetBytes("key")),
new DatabaseEntry(ASCIIEncoding.ASCII.GetBytes("data")));
Assert.IsTrue(cursor.Move(pair, true));
Assert.IsTrue(cursor.MoveNext());
Assert.AreEqual(ASCIIEncoding.ASCII.GetBytes("key"), cursor.Current.Key.Data);
Assert.AreEqual(ASCIIEncoding.ASCII.GetBytes("data1"), cursor.Current.Value.Data);
cursor.Close();
db.Close();
}
public void TestAddUnique()
{
BTreeDatabase db;
BTreeCursor cursor;
KeyValuePair <DatabaseEntry, DatabaseEntry> pair;
testName = "TestAddUnique";
testHome = testFixtureHome + "/" + testName;
Configuration.ClearDir(testHome);
// Open a database and cursor.
BTreeDatabaseConfig dbConfig = new BTreeDatabaseConfig();
dbConfig.Creation = CreatePolicy.IF_NEEDED;
// To put no duplicate data, the database should be set to be sorted.
dbConfig.Duplicates = DuplicatesPolicy.SORTED;
db = BTreeDatabase.Open(testHome + "/" + testName + ".db", dbConfig);
cursor = db.Cursor();
// Add record("key", "data") into database.
CursorTest.AddOneByCursor(db, cursor);
// Fail to add duplicate record("key","data").
pair = new KeyValuePair <DatabaseEntry, DatabaseEntry>(
new DatabaseEntry(ASCIIEncoding.ASCII.GetBytes("key")),
new DatabaseEntry(ASCIIEncoding.ASCII.GetBytes("data")));
try
{
cursor.AddUnique(pair);
}
catch (KeyExistException)
{
}
finally
{
cursor.Close();
db.Close();
}
}
public void TestInsertBefore()
{
BTreeDatabase db;
BTreeCursor cursor;
DatabaseEntry data;
KeyValuePair <DatabaseEntry, DatabaseEntry> pair;
testName = "TestInsertBefore";
testHome = testFixtureHome + "/" + testName;
Configuration.ClearDir(testHome);
// Add record("key", "data") into database.
CursorTest.GetCursorInBtreeDBWithoutEnv(
testHome, testName, out db, out cursor);
CursorTest.AddOneByCursor(db, cursor);
// Insert the new record("key","data1") before the record("key", "data").
data = new DatabaseEntry(ASCIIEncoding.ASCII.GetBytes("data1"));
cursor.Insert(data, Cursor.InsertLocation.BEFORE);
/*
* Move the cursor to the record("key", "data") and confirm
* that the previous record is the one just inserted.
*/
pair = new KeyValuePair <DatabaseEntry, DatabaseEntry>(
new DatabaseEntry(ASCIIEncoding.ASCII.GetBytes("key")),
new DatabaseEntry(ASCIIEncoding.ASCII.GetBytes("data")));
Assert.IsTrue(cursor.Move(pair, true));
Assert.IsTrue(cursor.MovePrev());
Assert.AreEqual(ASCIIEncoding.ASCII.GetBytes("key"), cursor.Current.Key.Data);
Assert.AreEqual(ASCIIEncoding.ASCII.GetBytes("data1"), cursor.Current.Value.Data);
cursor.Close();
db.Close();
}