public void TwoTransactions()
{
TransactionalWrapper <int, string> wrapper = new TransactionalWrapper <int, string> {
{ 1, "1" }, { 2, "2" }, { 3, "3" }
};
using (Transaction <int, string> firstTransaction = wrapper.BeginTransaction())
{
using (Transaction <int, string> secondTransaction = wrapper.BeginTransaction())
{
secondTransaction.Remove(2);
secondTransaction.Remove(3);
}
Assert.IsTrue(wrapper.Count == 1);
firstTransaction.Add(2, "2");
firstTransaction.Add(3, "3");
}
Assert.IsTrue(wrapper.Count == 3);
}
public void AddOnCommit()
{
TransactionalWrapper <int, string> wrapper = new TransactionalWrapper <int, string>();
using (var transaction = wrapper.BeginTransaction())
{
transaction.Add(1, "1");
transaction.Add(2, "2");
transaction.Add(3, "3");
Assert.IsTrue(wrapper.Count == 0);
Assert.IsTrue(transaction.Count == 3);
}
Assert.IsTrue(wrapper.Count == 3);
}
public void RemoveOnCommit()
{
TransactionalWrapper <int, string> wrapper = new TransactionalWrapper <int, string> {
{ 1, "1" }, { 2, "2" }, { 3, "3" }
};
using (var transaction = wrapper.BeginTransaction())
{
transaction.Remove(1);
transaction.Remove(3);
Assert.IsTrue(wrapper.Count == 3);
}
Assert.IsTrue(wrapper.Count == 1);
}
public void DoNotRemoveOnRollback()
{
TransactionalWrapper <int, string> wrapper = new TransactionalWrapper <int, string> {
{ 1, "1" }, { 2, "2" }, { 3, "3" }
};
using (var transaction = wrapper.BeginTransaction())
{
transaction.Remove(1);
transaction.Remove(3);
Assert.IsTrue(transaction.Count == 1);
wrapper.RollbackTransation(transaction);
}
Assert.IsTrue(wrapper.Count == 3);
}
public void DoNotAddOnRollback()
{
TransactionalWrapper <int, string> wrapper = new TransactionalWrapper <int, string>();
using (var transaction = wrapper.BeginTransaction())
{
transaction.Add(1, "1");
transaction.Add(2, "2");
transaction.Add(3, "3");
Assert.IsTrue(transaction.Count == 3);
wrapper.RollbackTransation(transaction);
}
Assert.IsTrue(wrapper.Count == 0);
}
public void IncompatibleAddAndRemove()
{
TransactionalWrapper <int, string> wrapper = new TransactionalWrapper <int, string> {
{ 1, "1" }, { 2, "2" }, { 3, "3" }
};
using (Transaction <int, string> transaction = wrapper.BeginTransaction())
{
transaction.Remove(2);
Assert.IsTrue(transaction.Count == 2);
transaction.Add(2, "2");
Assert.IsTrue(transaction.Count == 3);
}
Assert.IsTrue(wrapper.Count == 3);
}