Sharpen.CountDownLatch.CountDown C# (CSharp) Method

		public void CountDown ()
		{
			if (Interlocked.Decrement (ref count) == 0) {
				done.Set ();
			}
		}
	}

        public void TestPusherDeletedDoc()
        {
            if (!Boolean.Parse((string)Runtime.Properties["replicationTestsEnabled"]))
            {
                Assert.Inconclusive("Replication tests disabled.");
                return;
            }

            using (var remoteDb = _sg.CreateDatabase(TempDbName())) {
                var remote = remoteDb.RemoteUri;
                var docIdTimestamp = Convert.ToString(Runtime.CurrentTimeMillis());

                // Create some documentsConvert
                var documentProperties = new Dictionary<string, object>();
                var doc1Id = string.Format("doc1-{0}", docIdTimestamp);
                documentProperties["_id"] = doc1Id;
                documentProperties["foo"] = 1;
                documentProperties["bar"] = false;

                var body = new Body(documentProperties);
                var rev1 = new RevisionInternal(body);
                rev1 = database.PutRevision(rev1, null, false);

                documentProperties["_rev"] = rev1.GetRevId();
                documentProperties["UPDATED"] = true;
                documentProperties["_deleted"] = true;
                database.PutRevision(new RevisionInternal(documentProperties), rev1.GetRevId(), false);

                var repl = database.CreatePushReplication(remote);
                if (!IsSyncGateway(remote)) {
                    ((Pusher)repl).CreateTarget = true;
                }

                RunReplication(repl);

                Assert.IsNull(repl.LastError);

                // make sure doc1 is deleted
                var replicationUrlTrailing = new Uri(string.Format("{0}/", remote));
                var pathToDoc = new Uri(replicationUrlTrailing, doc1Id);
                Log.D(Tag, "Send http request to " + pathToDoc);
                var httpRequestDoneSignal = new CountDownLatch(1);
                using (var httpclient = new HttpClient()) {
                    try {
                        var getDocResponse = httpclient.GetAsync(pathToDoc.ToString()).Result;
                        var statusLine = getDocResponse.StatusCode;
                        Log.D(ReplicationTest.Tag, "statusLine " + statusLine);
                        Assert.AreEqual(Couchbase.Lite.StatusCode.NotFound, statusLine.GetStatusCode());                        
                    }
                    catch (ProtocolViolationException e) {
                        Assert.IsNull(e, "Got ClientProtocolException: " + e.Message);
                    }
                    catch (IOException e) {
                        Assert.IsNull(e, "Got IOException: " + e.Message);
                    }
                    finally {
                        httpRequestDoneSignal.CountDown();
                    }
                    Log.D(Tag, "Waiting for http request to finish");
                    try {
                        httpRequestDoneSignal.Await(TimeSpan.FromSeconds(10));
                        Log.D(Tag, "http request finished");
                    }
                    catch (Exception e) {
                        Runtime.PrintStackTrace(e);
                    }
                }
            }
        }