public void IsBetween() { HttpStatusCode status1 = HttpStatusCode.Created; bool result1 = EnumUtils.IsBetween(status1, 200, 299); bool result2 = EnumUtils.IsBetween(status1, HttpStatusCode.OK, HttpStatusCode.PartialContent); bool result3 = EnumUtils.IsBetween(status1, HttpStatusCode.MultipleChoices, HttpStatusCode.MovedPermanently); Assert.IsTrue(result1, "#1"); Assert.IsTrue(result2, "#2"); Assert.IsFalse(result3, "#3"); bool result4 = status1.IsBetween(00, 299); bool result5 = status1.IsBetween(HttpStatusCode.OK, HttpStatusCode.PartialContent); bool result6 = status1.IsBetween(HttpStatusCode.MultipleChoices, HttpStatusCode.MovedPermanently); Assert.IsTrue(result4, "#4"); Assert.IsTrue(result5, "#5"); Assert.IsFalse(result6, "#6"); }