public void AddHeader_AddValidHeaderEntry_HeaderContainsHeaderEntry() { GeckoMIMEInputStream stream = new GeckoMIMEInputStream(); stream.AddHeader("Content-Type", "application/x-www-form-urlencoded"); string header = ReadGeckoMIMEInputStreamAsUTF8(stream); Assert.IsTrue(header.Contains("Content-Type")); Assert.IsTrue(header.Contains("application/x-www-form-urlencoded")); }