public void HttpHeadersAddTest() { var HttpHeaders = new HttpHeaders(); Assert.AreEqual("[]", HttpHeaders.AsEnumerable<HttpHeader>().ToJsonString()); HttpHeaders.Add("Content-Type", "text/html"); HttpHeaders.Set("Content-Type", "text/plain"); HttpHeaders.Set("cOntEnt-type", "text/plain"); Assert.AreEqual(1, HttpHeaders.Count()); Assert.AreEqual("cOntEnt-type: text/plain", String.Join("|", HttpHeaders.AsEnumerable())); }