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/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 2009 Oracle. All rights reserved.
*
*/
using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Text;
using System.Threading;
using NUnit.Framework;
using BerkeleyDB;
namespace CsharpAPITest
{
[TestFixture]
public class RecnoCursorTest
{
private string testFixtureName;
private string testFixtureHome;
private string testName;
private string testHome;
[TestFixtureSetUp]
public void RunBeforeTests()
{
testFixtureName = "RecnoCursorTest";
testFixtureHome = "./TestOut/" + testFixtureName;
}
[Test]
public void TestCursor()
{
testName = "TestCursor";
testHome = testFixtureHome + "/" + testName;
Configuration.ClearDir(testHome);
GetCursorWithImplicitTxn(testHome,
testName + ".db", false);
}
[Test]
public void TestCursorWithConfig()
{
testName = "TestCursorWithConfig";
testHome = testFixtureHome + "/" + testName;
Configuration.ClearDir(testHome);
GetCursorWithImplicitTxn(testHome,
testName + ".db", true);
}
public void GetCursorWithImplicitTxn(string home,
string dbFile, bool ifConfig)
{
DatabaseEnvironmentConfig envConfig =
new DatabaseEnvironmentConfig();
envConfig.Create = true;
envConfig.UseCDB = true;
envConfig.UseMPool = true;
DatabaseEnvironment env = DatabaseEnvironment.Open(
home, envConfig);
RecnoDatabaseConfig dbConfig =
new RecnoDatabaseConfig();
dbConfig.Creation = CreatePolicy.IF_NEEDED;
dbConfig.Env = env;
RecnoDatabase db = RecnoDatabase.Open(dbFile,
dbConfig);
RecnoCursor cursor;
if (ifConfig == false)
cursor = db.Cursor();
else
cursor = db.Cursor(new CursorConfig());
cursor.Close();
db.Close();
env.Close();
}
[Test]
public void TestCursorInTxn()
{
testName = "TestCursorInTxn";
testHome = testFixtureHome + "/" + testName;
Configuration.ClearDir(testHome);
GetCursorWithExplicitTxn(testHome,
testName + ".db", false);
}
[Test]
public void TestConfigedCursorInTxn()
{
testName = "TestConfigedCursorInTxn";
testHome = testFixtureHome + "/" + testName;
Configuration.ClearDir(testHome);
GetCursorWithExplicitTxn(testHome,
testName + ".db", true);
}
public void GetCursorWithExplicitTxn(string home,
string dbFile, bool ifConfig)
{
DatabaseEnvironmentConfig envConfig =
new DatabaseEnvironmentConfig();
envConfig.Create = true;
envConfig.UseTxns = true;
envConfig.UseMPool = true;
DatabaseEnvironment env = DatabaseEnvironment.Open(
home, envConfig);
Transaction openTxn = env.BeginTransaction();
RecnoDatabaseConfig dbConfig =
new RecnoDatabaseConfig();
dbConfig.Creation = CreatePolicy.IF_NEEDED;
dbConfig.Env = env;
RecnoDatabase db = RecnoDatabase.Open(dbFile,
dbConfig, openTxn);
openTxn.Commit();
Transaction cursorTxn = env.BeginTransaction();
RecnoCursor cursor;
if (ifConfig == false)
cursor = db.Cursor(cursorTxn);
else
cursor = db.Cursor(new CursorConfig(), cursorTxn);
cursor.Close();
cursorTxn.Commit();
db.Close();
env.Close();
}
[Test]
public void TestDuplicate()
{
KeyValuePair<DatabaseEntry, DatabaseEntry> pair;
RecnoDatabase db;
RecnoDatabaseConfig dbConfig;
RecnoCursor cursor, dupCursor;
string dbFileName;
testName = "TestDuplicate";
testHome = testFixtureHome + "/" + testName;
dbFileName = testHome + "/" + testName + ".db";
Configuration.ClearDir(testHome);
dbConfig = new RecnoDatabaseConfig();
dbConfig.Creation = CreatePolicy.IF_NEEDED;
db = RecnoDatabase.Open(dbFileName, dbConfig);
cursor = db.Cursor();
/*
* Add a record(1, 1) by cursor and move
* the cursor to the current record.
*/
AddOneByCursor(cursor);
cursor.Refresh();
//Duplicate a new cursor to the same position.
dupCursor = cursor.Duplicate(true);
// Overwrite the record.
dupCursor.Overwrite(new DatabaseEntry(
ASCIIEncoding.ASCII.GetBytes("newdata")));
// Confirm that the original data doesn't exist.
pair = new KeyValuePair<DatabaseEntry, DatabaseEntry>(
new DatabaseEntry(
BitConverter.GetBytes((int)1)),
new DatabaseEntry(
BitConverter.GetBytes((int)1)));
Assert.IsFalse(dupCursor.Move(pair, true));
dupCursor.Close();
cursor.Close();
db.Close();
}
[Test]
public void TestInsertToLoc()
{
RecnoDatabase db;
RecnoDatabaseConfig dbConfig;
RecnoCursor cursor;
DatabaseEntry data;
KeyValuePair<DatabaseEntry, DatabaseEntry> pair;
string dbFileName;
testName = "TestInsertToLoc";
testHome = testFixtureHome + "/" + testName;
dbFileName = testHome + "/" + testName + ".db";
Configuration.ClearDir(testHome);
// Open database and cursor.
dbConfig = new RecnoDatabaseConfig();
dbConfig.Creation = CreatePolicy.IF_NEEDED;
dbConfig.Renumber = true;
db = RecnoDatabase.Open(dbFileName, dbConfig);
cursor = db.Cursor();
// Add record(1,1) into database.
/*
* Add a record(1, 1) by cursor and move
* the cursor to the current record.
*/
AddOneByCursor(cursor);
cursor.Refresh();
/*
* Insert the new record(1,10) after the
* record(1,1).
*/
data = new DatabaseEntry(
BitConverter.GetBytes((int)10));
cursor.Insert(data, Cursor.InsertLocation.AFTER);
/*
* Move the cursor to the record(1,1) and
* confirm that the next record is the one just inserted.
*/
pair = new KeyValuePair<DatabaseEntry, DatabaseEntry>(
new DatabaseEntry(
BitConverter.GetBytes((int)1)),
new DatabaseEntry(
BitConverter.GetBytes((int)1)));
Assert.IsTrue(cursor.Move(pair, true));
Assert.IsTrue(cursor.MoveNext());
Assert.AreEqual(BitConverter.GetBytes((int)10),
cursor.Current.Value.Data);
cursor.Close();
db.Close();
}
public void AddOneByCursor(RecnoCursor cursor)
{
KeyValuePair<DatabaseEntry, DatabaseEntry> pair =
new KeyValuePair<DatabaseEntry, DatabaseEntry>(
new DatabaseEntry(
BitConverter.GetBytes((int)1)),
new DatabaseEntry(
BitConverter.GetBytes((int)1)));
cursor.Add(pair);
}
}
}
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