public void AddKeyTest() { var result = _business.AddKey("key4", "value1d"); Assert.AreEqual(result.StatusCode, 201); Assert.IsTrue(_business._items.ContainsKey("key4")); var badResult = _business.AddKey(null, null); Assert.IsFalse(badResult.StatusCode == 200); badResult = _business.AddKey("key4", null); Assert.IsFalse(badResult.StatusCode == 200); badResult = _business.AddKey("", "value"); Assert.IsFalse(badResult.StatusCode == 200); }