public void AddingAddressOutsideHeap_ForTheSecondTime_ReturnsFalse()
{
var set = new ObjectAddressSet(GetTestHeapIndex());
Assert.That(set.Add(0x00400000), Is.True);
Assert.That(set.Add(0x00400000), Is.False);
}
public IEnumerable <IClrObject> ExploreFromRoots()
{
var reader = new ClrObjectReader();
foreach (var root in heap.EnumerateRoots())
{
if (root.Object == 0)
{
continue;
}
if (!visited.Add(root.Object))
{
continue;
}
if (root.Kind == GCRootKind.Finalizer)
{
continue;
}
if (root.Address == 0)
{
continue;
}
if (!reader.IsValidObjectType(root.Type))
{
continue;
}
yield return(reader.ReadGCRoot(root));
CollectChildren(root.Type, root.Object);
}
while (pending.Count > 0)
{
var address = pending.Pop();
if (!visited.Add(address))
{
continue;
}
var type = heap.GetObjectType(address);
if (!reader.IsValidObjectType(type))
{
continue;
}
yield return(reader.ReadFromAddress(type, address));
CollectChildren(type, address);
}
}
public void CollectionIsFastEnoughForAMillionAddresses(int seed)
{
var random = new Random(seed);
var addresses = Enumerable.Range(0, 1000000).Select(i => (ulong)random.Next(0x00100000, 0x28000000)).ToArray();
var collection = new ObjectAddressSet(GetTestHeapIndex());
var swObjectAddressSet = Stopwatch.StartNew();
foreach (var address in addresses)
{
collection.Add(address);
}
foreach (var address in addresses)
{
collection.Contains(address);
}
swObjectAddressSet.Stop();
var hashSet = new HashSet <ulong>();
var swHashSet = Stopwatch.StartNew();
foreach (var address in addresses)
{
hashSet.Add(address);
}
foreach (var address in addresses)
{
hashSet.Contains(address);
}
swHashSet.Stop();
Trace.WriteLine($"ObjectAddressSet: {swObjectAddressSet.Elapsed}");
Trace.WriteLine($"HashSet<ulong>: {swHashSet.Elapsed}");
}
public void AddingAddressInsideHeap_ForTheFirstTime_ReturnsTrue()
{
var set = new ObjectAddressSet(GetTestHeapIndex());
Assert.That(set.Add(0x00200000), Is.True);
}