/// <exception cref="Db4objects.Db4o.Ext.OldFormatException"></exception>
protected sealed override void OpenImpl()
{
CreateIdSystem();
if (_memoryBin.Length() == 0)
{
ConfigureNewFile();
CommitTransaction();
}
else
{
ReadThis();
}
}
public virtual void Test()
{
MemoryStorage origStorage = new MemoryStorage();
IEmbeddedConfiguration origConfig = Config(origStorage);
IObjectContainer origDb = Db4oEmbedded.OpenFile(origConfig, BinUri);
origDb.Store(new MemoryBinIsReusableTestCase.Item(ItemName));
origDb.Close();
MemoryBin origBin = origStorage.Bin(BinUri);
byte[] data = origBin.Data();
Assert.AreEqual(data.Length, origBin.Length());
MemoryBin newBin = new MemoryBin(data, new DoublingGrowthStrategy());
MemoryStorage newStorage = new MemoryStorage();
newStorage.Bin(BinUri, newBin);
IObjectContainer newDb = Db4oEmbedded.OpenFile(Config(newStorage), BinUri);
IObjectSet result = newDb.Query(typeof(MemoryBinIsReusableTestCase.Item));
Assert.AreEqual(1, result.Count);
Assert.AreEqual(ItemName, ((MemoryBinIsReusableTestCase.Item)result.Next())._name
);
newDb.Close();
}
