public void CommitAndRollbackTest()
{
int[] toCommitData = new[] { 1, 3, 5, 7 };
int[] toRollbackData = new[] { 2, 6, 8, 10 };
HashTableWrapper wrapper = new HashTableWrapper();
wrapper.BeginTransaction();
for (int i = 0; i < toCommitData.Length; i++)
{
wrapper.Add(toCommitData[i], toCommitData[i]);
}
wrapper.CommitTransaction();
wrapper.BeginTransaction();
for (int i = 0; i < toRollbackData.Length; i++)
{
wrapper.Add(toRollbackData[i], toRollbackData[i]);
}
wrapper.RollbackTransaction();
for (int i = 0; i < toCommitData.Length; i++)
{
Assert.IsTrue(wrapper.ContainsKey(toCommitData[i]), "Data committed successfully.");
}
for (int i = 0; i < toRollbackData.Length; i++)
{
Assert.IsFalse(wrapper.ContainsKey(toRollbackData[i]), "Data rollback performed successfully.");
}
}
public void TestWhenHashTableBlockedByAnotherTransaction()
{
HashTableWrapper wrapper = new HashTableWrapper();
Task.Factory.StartNew(() =>
{
wrapper.BeginTransaction();
bool add1 = wrapper.Add(1, 1);
wrapper.CommitTransaction();
Assert.IsTrue(add1, "May add record in current transaction.");
});
Task.Run(() =>
{
try
{
wrapper.BeginTransaction();
Assert.Fail("Not blocked by another transaction.");
}
catch (AccessViolationException e)
{
// nope.
}
});
}
public void CommitTest()
{
HashTableWrapper wrapper = new HashTableWrapper();
wrapper.BeginTransaction();
int expectedNumberOfElements = 1000;
for (int i = 0; i < 1000; i++)
{
wrapper.Add(i, i);
}
wrapper.CommitTransaction();
Assert.AreEqual(expectedNumberOfElements, wrapper.Count);
}