public void CanSetByte() { var page = _fileManager.ResolvePage(); var block = new Block(RandomFilename, 0); page.Read(block); page.SetByte(0, 32); page.Write(block); _recoveryManager = new RecoveryManager(_bufferManager, _logManager, 6); var buffer = _bufferManager.Pin(block); var lsn = _recoveryManager.SetByte(buffer, 0, 123); _logManager.Flush(lsn); _bufferManager.Unpin(buffer); _bufferManager.FlushAll(6); var enumerator = _logManager.GetEnumerator(); var record = enumerator.Current; var setBoolRecord = new SetByteRecord(_logManager, _bufferManager, record); Assert.AreEqual(LogRecordType.SetByte, setBoolRecord.Type); Assert.AreEqual(0, setBoolRecord.Block.Id); Assert.AreEqual(0, setBoolRecord.Offset); Assert.AreEqual(32, setBoolRecord.Value); Assert.AreEqual(6, setBoolRecord.TransactionNumber); }
public void CanReadSetByteRecord() { var block = new Block(RandomFilename, 0); var rec = new SetByteRecord(_logManager, _bufferManager, 5, block, 0, 123); var lsn = rec.WriteToLog(); _logManager.Flush(lsn); _enumerator = new LogRecordEnumerator(_logManager, _bufferManager); var record = _enumerator.Current as SetByteRecord; Assert.AreEqual(LogRecordType.SetByte, record.Type); Assert.AreEqual(5, record.TransactionNumber); Assert.AreEqual(block, record.Block); Assert.AreEqual(0, record.Offset); Assert.AreEqual(123, record.Value); }
public void CanWriteSetByteRecordMultipleTimesToLog() { _logRecord = new SetByteRecord( _logManager, _bufferManager, 1, _putToBlock, 0, 123); var logRecord2 = new SetByteRecord( _logManager, _bufferManager, 1, _putToBlock, 0, 12); _ = _logRecord.WriteToLog(); var lsn2 = logRecord2.WriteToLog(); _logManager.Flush(lsn2); var enumerator = _logManager.GetEnumerator(); var record = enumerator.Current; var currentRecord2 = new SetByteRecord(_logManager, _bufferManager, record); enumerator.MoveNext(); record = enumerator.Current; var currentRecord1 = new SetByteRecord(_logManager, _bufferManager, record); Assert.IsNotNull(currentRecord2); Assert.AreEqual(LogRecordType.SetByte, currentRecord2.Type); Assert.AreEqual(1, currentRecord1.TransactionNumber); Assert.AreEqual(12, currentRecord2.Value); Assert.AreEqual(_putToBlock, currentRecord2.Block); Assert.AreEqual(0, currentRecord2.Offset); Assert.IsNotNull(currentRecord1); Assert.AreEqual(LogRecordType.SetByte, currentRecord1.Type); Assert.AreEqual(1, currentRecord1.TransactionNumber); Assert.AreEqual(123, currentRecord1.Value); Assert.AreEqual(_putToBlock, currentRecord1.Block); Assert.AreEqual(0, currentRecord1.Offset); }
public void CanWriteSetByteRecordToLog() { _logRecord = new SetByteRecord( _logManager, _bufferManager, 3, _putToBlock, 4, 123); var lsn = _logRecord.WriteToLog(); _logManager.Flush(lsn); var enumerator = _logManager.GetEnumerator(); var record = enumerator.Current; var currentRecord = new SetByteRecord(_logManager, _bufferManager, record); Assert.IsNotNull(currentRecord); Assert.AreEqual(LogRecordType.SetByte, currentRecord.Type); Assert.AreEqual(3, currentRecord.TransactionNumber); Assert.AreEqual(123, currentRecord.Value); Assert.AreEqual(_putToBlock, currentRecord.Block); Assert.AreEqual(4, currentRecord.Offset); }