public void CanSetString() { var page = _fileManager.ResolvePage(); var block = new Block(RandomFilename, 0); page.Read(block); page.SetString(0, "default string"); page.Write(block); _recoveryManager = new RecoveryManager(_bufferManager, _logManager, 6); var buffer = _bufferManager.Pin(block); var lsn = _recoveryManager.SetString(buffer, 0, "not default string"); _logManager.Flush(lsn); _bufferManager.Unpin(buffer); _bufferManager.FlushAll(6); var enumerator = _logManager.GetEnumerator(); var record = enumerator.Current; var setBoolRecord = new SetStringRecord(_logManager, _bufferManager, record); Assert.AreEqual(LogRecordType.SetString, setBoolRecord.Type); Assert.AreEqual(0, setBoolRecord.Block.Id); Assert.AreEqual(0, setBoolRecord.Offset); Assert.AreEqual("default string", setBoolRecord.Value); Assert.AreEqual(6, setBoolRecord.TransactionNumber); }
public void CanReadSetStringRecord() { var block = new Block(RandomFilename, 0); var rec = new SetStringRecord(_logManager, _bufferManager, 5, block, 0, "default string"); var lsn = rec.WriteToLog(); _logManager.Flush(lsn); _enumerator = new LogRecordEnumerator(_logManager, _bufferManager); var record = _enumerator.Current as SetStringRecord; Assert.AreEqual(LogRecordType.SetString, record.Type); Assert.AreEqual(5, record.TransactionNumber); Assert.AreEqual(block, record.Block); Assert.AreEqual(0, record.Offset); Assert.AreEqual("default string", record.Value); }
public void CanWriteSetStringRecordMultipleTimesToLog() { _logRecord = new SetStringRecord( _logManager, _bufferManager, 1, _putToBlock, 0, "test1"); var logRecord2 = new SetStringRecord( _logManager, _bufferManager, 1, _putToBlock, 0, "test2"); _ = _logRecord.WriteToLog(); var lsn2 = logRecord2.WriteToLog(); _logManager.Flush(lsn2); var enumerator = _logManager.GetEnumerator(); var record = enumerator.Current; var currentRecord2 = new SetStringRecord(_logManager, _bufferManager, record); enumerator.MoveNext(); record = enumerator.Current; var currentRecord1 = new SetStringRecord(_logManager, _bufferManager, record); Assert.IsNotNull(currentRecord2); Assert.AreEqual(LogRecordType.SetString, currentRecord2.Type); Assert.AreEqual(1, currentRecord1.TransactionNumber); Assert.AreEqual("test2", currentRecord2.Value); Assert.AreEqual(_putToBlock, currentRecord2.Block); Assert.AreEqual(0, currentRecord2.Offset); Assert.IsNotNull(currentRecord1); Assert.AreEqual(LogRecordType.SetString, currentRecord1.Type); Assert.AreEqual(1, currentRecord1.TransactionNumber); Assert.AreEqual("test1", currentRecord1.Value); Assert.AreEqual(_putToBlock, currentRecord1.Block); Assert.AreEqual(0, currentRecord1.Offset); }
public void CanWriteSetStringRecordToLog() { _logRecord = new SetStringRecord( _logManager, _bufferManager, 3, _putToBlock, 4, "test"); var lsn = _logRecord.WriteToLog(); _logManager.Flush(lsn); var enumerator = _logManager.GetEnumerator(); var record = enumerator.Current; var currentRecord = new SetStringRecord(_logManager, _bufferManager, record); Assert.IsNotNull(currentRecord); Assert.AreEqual(LogRecordType.SetString, currentRecord.Type); Assert.AreEqual(3, currentRecord.TransactionNumber); Assert.AreEqual("test", currentRecord.Value); Assert.AreEqual(_putToBlock, currentRecord.Block); Assert.AreEqual(4, currentRecord.Offset); }