public void TryGetValueTest()
{
IWDT iwdt = new IWDT();
int value;
Assert.IsFalse(iwdt.TryGetValue(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.TryGetValue(HT(1, 2), out value));
Assert.AreEqual(2, value);
Assert.IsTrue(iwdt.TryGetValue(HT(2, 2), out value));
Assert.AreEqual(3, value);
Assert.IsTrue(iwdt.TryGetValue(HT(3, 2), out value));
Assert.AreEqual(4, value);
iwdt.Keys[Tuple.Create(1, 1)].IsGarbage = true;
Assert.IsFalse(iwdt.TryGetValue(HT(1, 2), out value));
}