ACMESharp.AcmeClientUnitTests.Test0070_RegisterDuplicate C# (CSharp) Method

        public void Test0070_RegisterDuplicate()
        {
            using (var signer = new RS256Signer())
            {
                signer.Init();
                using (var fs = new FileStream(_testRegister_AcmeSignerFile, FileMode.Open))
                {
                    signer.Load(fs);
                }

                using (var client = BuildClient(testTagHeader: nameof(Test0070_RegisterDuplicate)))
                {
                    client.RootUrl = _rootUrl;
                    client.Signer = signer;
                    client.Init();

                    client.GetDirectory(true);

                    try
                    {
                        client.Register(new string[]
                                {
                                    "mailto:[email protected]",
                                    // Tel contact method is no longer supported by Boulder
                                    //"tel:+14105551212",
                                });
                        Assert.Fail("WebException expected");
                    }
                    catch (AcmeClient.AcmeWebException ex)
                    {
                        Assert.IsNotNull(ex.WebException);
                        Assert.IsNotNull(ex.Response);
                        Assert.AreEqual(HttpStatusCode.Conflict, ex.Response.StatusCode);
                    }
                }
            }
        }