public void TryRemoveTest()
{
IWDT iwdt = new IWDT();
var asDictionary = (IDictionary <Tuple <int, int>, int>)iwdt;
int value;
Assert.IsFalse(iwdt.TryRemove(HT(1, 2), out value));
iwdt.AddOrUpdate(HT(1, 1), 2, (k, v) => { throw new AssertFailedException(); return(default(int)); });
iwdt.AddOrUpdate(HT(2, 1), 3, (k, v) => { throw new AssertFailedException(); return(default(int)); });
iwdt.AddOrUpdate(HT(3, 1), 4, (k, v) => { throw new AssertFailedException(); return(default(int)); });
Assert.IsTrue(iwdt.TryRemove(HT(1, 2), out value));
Assert.AreEqual(2, value);
Assert.IsFalse(asDictionary.ContainsKey(Tuple.Create(1, 2)));
iwdt.Keys[Tuple.Create(2, 1)].IsGarbage = true;
Assert.IsFalse(iwdt.TryRemove(HT(2, 2), out value));
}