public void TestClone()
        {
            var reference1 = new FeedReference
            {
                Source       = FeedTest.Test1Uri,
                Architecture = new Architecture(OS.Windows, Cpu.I586), Languages = { "en-US" }
            };
            var reference2 = reference1.Clone();

            // Ensure data stayed the same
            Assert.AreEqual(reference1, reference2, "Cloned objects should be equal.");
            Assert.AreEqual(reference1.GetHashCode(), reference2.GetHashCode(), "Cloned objects' hashes should be equal.");
            Assert.IsFalse(ReferenceEquals(reference1, reference2), "Cloning should not return the same reference.");
        }