public void SegmentAddedDeleted()
{
using (var pile = new DefaultPile()
{
SegmentSize = PileCacheTestCore.SEG_SIZE
})
{
pile.Start();
var ipile = pile as IPile;
var pp = PilePointer.Invalid;
for (ulong i = 0; i < PileCacheTestCore.SEG_SIZE && ipile.SegmentCount < 2; i++)
{
var ch = ChargeRow.MakeFake(new GDID(1, i));
pp = ipile.Put(ch);
}
Aver.AreEqual(2, ipile.SegmentCount);
ipile.Delete(pp);
Aver.AreEqual(1, ipile.SegmentCount);
}
}
public static CheckoutRow MakeFake(GDID gdid)
{
var ch = new CheckoutRow()
{
ID = gdid,
FileName = "myface_" + gdid.ID.ToString(),
Date = DateTime.Now,
StartOffset = gdid.ID * 20,
G_Block = gdid,
Address1 = NFX.Parsing.NaturalTextGenerator.Generate(50),
Address2 = (gdid.ID % 7) == 0 ? NFX.Parsing.NaturalTextGenerator.Generate(50) : null
};
var chCnt = (int)(gdid.ID % 10);
ch.Charges = new ChargeRow[chCnt];
for (int i = 0; i < chCnt; i++)
{
ch.Charges[i] = ChargeRow.MakeFake(gdid);
}
return(ch);
}
public void Parallel_PutDeleteGet_Checkerboard()
{
const int CNT = 1002030;//1000203;
var tuples = new Tuple <PilePointer, ChargeRow> [CNT];
using (var pile = new DefaultPile())
{
pile.Start();
var ipile = pile as IPile;
Parallel.For(0, CNT, i => {
var ch = ChargeRow.MakeFake(new GDID(0, (ulong)i));
var pp = ipile.Put(ch);
tuples[i] = new Tuple <PilePointer, ChargeRow>(pp, ch);
});
Aver.AreEqual(CNT, ipile.ObjectCount);
Parallel.For(0, CNT, i => {
if (i % 3 != 0)
{
ipile.Delete(tuples[i].Item1);
}
});
Aver.AreEqual(CNT / 3, ipile.ObjectCount);
var deletedHits = new ConcurrentDictionary <int, int>();
Parallel.For(0, CNT, i => {
if (i % 3 != 0)
{
try
{
deletedHits.AddOrUpdate(System.Threading.Thread.CurrentThread.ManagedThreadId, 1, (threadId, val) => val + 1);
ipile.Get(tuples[i].Item1);
Aver.Fail("Object is deleted but its pointer doesn't throw exception!");
}
catch (PileAccessViolationException) {}
}
else
{
var ch = ipile.Get(tuples[i].Item1);
Aver.AreObjectsEqual(ch, tuples[i].Item2);
}
});
foreach (var kvp in deletedHits)
{
Console.WriteLine("Thread '{0}' {1:n0} times accessed deleted pointer", kvp.Key, kvp.Value);
}
}
}
public void Parallel_PutGet()
{
const int CNT = 1000000;
var tuples = new Tuple <PilePointer, ChargeRow> [CNT];
using (var pile = new DefaultPile())
{
pile.Start();
var ipile = pile as IPile;
Parallel.For(0, CNT, i => {
var ch = ChargeRow.MakeFake(new GDID(0, (ulong)i));
var pp = ipile.Put(ch);
tuples[i] = new Tuple <PilePointer, ChargeRow>(pp, ch);
});
Aver.AreEqual(CNT, ipile.ObjectCount);
Parallel.ForEach(tuples, t => {
Aver.AreObjectsEqual(t.Item2, ipile.Get(t.Item1));
});
}
}