public void GetRequestHeaders() { EdgeGridV1Signer signer = new EdgeGridV1Signer(new List <string>() { "x-a", "x-b", "x-c" }); Assert.AreEqual(String.Empty, signer.GetRequestHeaders(null)); var headers = new NameValueCollection() { }; Assert.AreEqual(String.Empty, signer.GetRequestHeaders(null)); headers = new NameValueCollection() { { "name2", "value2" } }; Assert.AreEqual(String.Empty, signer.GetRequestHeaders(null)); headers = new NameValueCollection() { { "x-a", "value1" }, { "name2", "value2" } }; Assert.AreEqual("x-a:value1\t", signer.GetRequestHeaders(headers)); headers = new NameValueCollection() { { "x-a", "va" }, { "x-c", "\" xc \"" }, { "x-b", " w b" } }; Assert.AreEqual("x-a:va\tx-b:w b\tx-c:\" xc \"\t", signer.GetRequestHeaders(headers)); }