private void Delete(CacheItem item)
{
if (item.Value != null)
{
string[] itemKeys = item.Keys;
item.Dispose();
_expirations.RemoveExpiration(item);
// Remove the lookup by this key to this item.
foreach (string itemKey in itemKeys)
{
_cache.Remove(itemKey);
}
}
}
public void Can_remove_expiration()
{
var expired = new ManualResetEvent(false);
var changed = new ManualResetEvent(false);
var i = 42;
var ttl = TimeSpan.FromSeconds(1);
ExpiringHashSet <int> .Entry entry = null;
var set = new ExpiringHashSet <int>(TaskTimerFactory.Current);
set.EntryExpired += (s, e) => { entry = e.Entry; expired.Set(); };
set.CollectionChanged += (s, e) => changed.Set();
set.SetExpiration(i, ttl);
Assert.IsTrue(changed.WaitOne(2000));
changed.Set();
set.RemoveExpiration(i);
Assert.IsTrue(changed.WaitOne(2000));
Assert.IsFalse(expired.WaitOne(2000));
}
public void Can_access_hashset_during_expiration_event()
{
var expired = new ManualResetEvent(false);
var changed = new ManualResetEvent(false);
var i = 42;
var ttl = TimeSpan.FromSeconds(1);
ExpiringHashSet <int> .Entry entry = null;
var set = new ExpiringHashSet <int>(TaskTimerFactory.Current);
set.EntryExpired += (s, e) => {
entry = e.Entry;
set.RemoveExpiration(e.Entry.Value);
expired.Set();
};
set.CollectionChanged += (s, e) => changed.Set();
set.SetExpiration(i, ttl);
Assert.IsTrue(changed.WaitOne(5000));
Assert.IsTrue(expired.WaitOne(5000));
Assert.AreEqual(i, entry.Value);
Assert.AreEqual(ttl, entry.TTL);
Assert.IsNull(set[i]);
}
public void Can_access_hashset_during_expiration_event()
{
var expired = new ManualResetEvent(false);
var changed = new ManualResetEvent(false);
var i = 42;
var ttl = TimeSpan.FromSeconds(1);
ExpiringHashSet<int>.Entry entry = null;
var set = new ExpiringHashSet<int>(TaskTimerFactory.Current);
set.EntryExpired += (s, e) => {
entry = e.Entry;
set.RemoveExpiration(e.Entry.Value);
expired.Set();
};
set.CollectionChanged += (s, e) => changed.Set();
set.SetExpiration(i, ttl);
Assert.IsTrue(changed.WaitOne(5000));
Assert.IsTrue(expired.WaitOne(5000));
Assert.AreEqual(i, entry.Value);
Assert.AreEqual(ttl, entry.TTL);
Assert.IsNull(set[i]);
}
public void Can_remove_expiration()
{
var expired = new ManualResetEvent(false);
var changed = new ManualResetEvent(false);
var i = 42;
var ttl = TimeSpan.FromSeconds(1);
ExpiringHashSet<int>.Entry entry = null;
var set = new ExpiringHashSet<int>(TaskTimerFactory.Current);
set.EntryExpired += (s, e) => { entry = e.Entry; expired.Set(); };
set.CollectionChanged += (s, e) => changed.Set();
set.SetExpiration(i, ttl);
Assert.IsTrue(changed.WaitOne(2000));
changed.Set();
set.RemoveExpiration(i);
Assert.IsTrue(changed.WaitOne(2000));
Assert.IsFalse(expired.WaitOne(2000));
}
