public void TestContainsValue() { LRUCache <String, String> underTest = new LRUCache <String, String>(666); underTest.Add("key1", "value1"); underTest.Add("key2", "value2"); underTest.Add("key3", "value3"); Assert.That(underTest.Count == 3); Assert.That(underTest.ContainsValue("value1")); Assert.That(underTest.ContainsValue("value2")); Assert.That(underTest.ContainsValue("value3")); Assert.IsFalse(underTest.ContainsValue("value4")); }