public void GetDefinition()
        {
            IExtensibleEnumDefinition instance = _cache.GetDefinition(typeof(Color));

            Assert.That(instance, Is.InstanceOf(typeof(ExtensibleEnumDefinition <Color>)));
        }
 public void Values_FromCache()
 {
     Assert.That(Color.Values, Is.SameAs(_extensibleEnumDefinitionCache.GetDefinition(typeof(Color))));
 }