public virtual void TestHandles()
{
IConfiguration config = Db4oFactory.NewConfiguration();
config.Storage = new MemoryStorage();
LocalObjectContainer db = (LocalObjectContainer)Db4oFactory.OpenFile(config, ClientTransactionTestUtil
.MainfileName);
ClientTransactionPool pool = new ClientTransactionPool(db);
try
{
ClientTransactionHandle handleA = new ClientTransactionHandle(pool);
Assert.AreEqual(db, handleA.Transaction().Container());
ClientTransactionHandle handleB = new ClientTransactionHandle(pool);
Assert.AreNotEqual(handleA.Transaction(), handleB.Transaction());
Assert.AreEqual(db, handleB.Transaction().Container());
Assert.AreEqual(2, pool.OpenTransactionCount());
Assert.AreEqual(1, pool.OpenFileCount());
handleA.AcquireTransactionForFile(ClientTransactionTestUtil.FilenameA);
Assert.AreEqual(3, pool.OpenTransactionCount());
Assert.AreEqual(2, pool.OpenFileCount());
Assert.AreNotEqual(db, handleA.Transaction().Container());
handleB.AcquireTransactionForFile(ClientTransactionTestUtil.FilenameA);
Assert.AreEqual(4, pool.OpenTransactionCount());
Assert.AreEqual(2, pool.OpenFileCount());
Assert.AreNotEqual(handleA.Transaction(), handleB.Transaction());
Assert.AreEqual(handleA.Transaction().Container(), handleB.Transaction().Container
());
handleA.ReleaseTransaction(ShutdownMode.Normal);
Assert.AreEqual(db, handleA.Transaction().Container());
Assert.AreNotEqual(db, handleB.Transaction().Container());
Assert.AreEqual(3, pool.OpenTransactionCount());
Assert.AreEqual(2, pool.OpenFileCount());
handleB.ReleaseTransaction(ShutdownMode.Normal);
Assert.AreEqual(db, handleB.Transaction().Container());
Assert.AreEqual(2, pool.OpenTransactionCount());
Assert.AreEqual(1, pool.OpenFileCount());
handleB.Close(ShutdownMode.Normal);
Assert.AreEqual(1, pool.OpenTransactionCount());
handleA.Close(ShutdownMode.Normal);
Assert.AreEqual(0, pool.OpenTransactionCount());
}
finally
{
pool.Close();
}
}
public virtual void TestPool()
{
IConfiguration config = Db4oFactory.NewConfiguration();
config.Storage = new MemoryStorage();
LocalObjectContainer db = (LocalObjectContainer)Db4oFactory.OpenFile(config, ClientTransactionTestUtil
.MainfileName);
ClientTransactionPool pool = new ClientTransactionPool(db);
try
{
Assert.AreEqual(0, pool.OpenTransactionCount());
Assert.AreEqual(1, pool.OpenFileCount());
Transaction trans1 = pool.Acquire(ClientTransactionTestUtil.MainfileName);
Assert.AreEqual(db, trans1.Container());
Assert.AreEqual(1, pool.OpenTransactionCount());
Assert.AreEqual(1, pool.OpenFileCount());
Transaction trans2 = pool.Acquire(ClientTransactionTestUtil.FilenameA);
Assert.AreNotEqual(db, trans2.Container());
Assert.AreEqual(2, pool.OpenTransactionCount());
Assert.AreEqual(2, pool.OpenFileCount());
Transaction trans3 = pool.Acquire(ClientTransactionTestUtil.FilenameA);
Assert.AreEqual(trans2.Container(), trans3.Container());
Assert.AreEqual(3, pool.OpenTransactionCount());
Assert.AreEqual(2, pool.OpenFileCount());
pool.Release(ShutdownMode.Normal, trans3, true);
Assert.AreEqual(2, pool.OpenTransactionCount());
Assert.AreEqual(2, pool.OpenFileCount());
pool.Release(ShutdownMode.Normal, trans2, true);
Assert.AreEqual(1, pool.OpenTransactionCount());
Assert.AreEqual(1, pool.OpenFileCount());
}
finally
{
Assert.IsFalse(db.IsClosed());
Assert.IsFalse(pool.IsClosed());
pool.Close();
Assert.IsTrue(db.IsClosed());
Assert.IsTrue(pool.IsClosed());
Assert.AreEqual(0, pool.OpenFileCount());
}
}