Пример #1
0
        private void AppendNdc(XmlWriter xtw)
        {
            string ndcContent = null;

            if (IncludeNdc)
            {
                ndcContent = string.Join(NdcItemSeparator, NestedDiagnosticsContext.GetAllMessages());
            }
#if !SILVERLIGHT
            if (IncludeNdlc)
            {
                if (ndcContent != null)
                {
                    //extra separator
                    ndcContent += NdcItemSeparator;
                }
                ndcContent += string.Join(NdlcItemSeparator, NestedDiagnosticsLogicalContext.GetAllMessages());
            }
#endif

            if (ndcContent != null)
            {
                //NDLC and NDC should be in the same element
                xtw.WriteElementSafeString("log4j", "NDC", dummyNamespace, ndcContent);
            }
        }
Пример #2
0
        /// <summary>
        /// Renders the specified Nested Diagnostics Context item and appends it to the specified <see cref="StringBuilder" />.
        /// </summary>
        /// <param name="builder">The <see cref="StringBuilder"/> to append the rendered data to.</param>
        /// <param name="logEvent">Logging event.</param>
        protected override void Append(StringBuilder builder, LogEventInfo logEvent)
        {
            string[] messages = NestedDiagnosticsContext.GetAllMessages();
            int      startPos = 0;
            int      endPos   = messages.Length;

            if (this.TopFrames != -1)
            {
                endPos = Math.Min(this.TopFrames, messages.Length);
            }
            else if (this.BottomFrames != -1)
            {
                startPos = messages.Length - Math.Min(this.BottomFrames, messages.Length);
            }

            int totalLength     = 0;
            int separatorLength = 0;

            for (int i = endPos - 1; i >= startPos; --i)
            {
                totalLength    += separatorLength + messages[i].Length;
                separatorLength = this.Separator.Length;
            }

            string separator = string.Empty;

            StringBuilder sb = new StringBuilder();

            for (int i = endPos - 1; i >= startPos; --i)
            {
                sb.Append(separator);
                sb.Append(messages[i]);
                separator = this.Separator;
            }

            builder.Append(sb.ToString());
        }
Пример #3
0
        /// <summary>
        ///     Renders the specified Nested Diagnostics Context item and appends it to the specified <see cref="StringBuilder" />.
        /// </summary>
        /// <param name="builder">
        ///     The <see cref="StringBuilder" /> to append the rendered data to.
        /// </param>
        /// <param name="logEvent">Logging event.</param>
        protected override void Append(StringBuilder builder, LogEventInfo logEvent)
        {
            var messages = NestedDiagnosticsContext.GetAllMessages();
            var startPos = 0;
            var endPos   = messages.Length;

            if (TopFrames != -1)
            {
                endPos = Math.Min(TopFrames, messages.Length);
            }
            else if (BottomFrames != -1)
            {
                startPos = messages.Length - Math.Min(BottomFrames, messages.Length);
            }

            var totalLength     = 0;
            var separatorLength = 0;

            for (var i = endPos - 1; i >= startPos; --i)
            {
                totalLength    += separatorLength + messages[i].Length;
                separatorLength = Separator.Length;
            }

            var separator = string.Empty;

            var sb = new StringBuilder();

            for (var i = endPos - 1; i >= startPos; --i)
            {
                sb.Append(separator);
                sb.Append(messages[i]);
                separator = Separator;
            }

            builder.Append(sb);
        }
Пример #4
0
        /// <summary>
        /// Renders the specified Nested Diagnostics Context item and appends it to the specified <see cref="StringBuilder" />.
        /// </summary>
        /// <param name="builder">The <see cref="StringBuilder"/> to append the rendered data to.</param>
        /// <param name="logEvent">Logging event.</param>
        protected override void Append(StringBuilder builder, LogEventInfo logEvent)
        {
            string[] messages = NestedDiagnosticsContext.GetAllMessages(logEvent.FormatProvider);
            int      startPos = 0;
            int      endPos   = messages.Length;

            if (this.TopFrames != -1)
            {
                endPos = Math.Min(this.TopFrames, messages.Length);
            }
            else if (this.BottomFrames != -1)
            {
                startPos = messages.Length - Math.Min(this.BottomFrames, messages.Length);
            }

            string separator = string.Empty;

            for (int i = endPos - 1; i >= startPos; --i)
            {
                builder.Append(separator);
                builder.Append(messages[i]);
                separator = this.Separator;
            }
        }
Пример #5
0
        /// <summary>
        /// Renders the XML logging event and appends it to the specified <see cref="StringBuilder" />.
        /// </summary>
        /// <param name="builder">The <see cref="StringBuilder"/> to append the rendered data to.</param>
        /// <param name="logEvent">Logging event.</param>
        protected override void Append(StringBuilder builder, LogEventInfo logEvent)
        {
            var settings = new XmlWriterSettings
            {
                Indent           = this.IndentXml,
                ConformanceLevel = ConformanceLevel.Fragment,
                IndentChars      = "  ",
            };

            var sb = new StringBuilder();

            using (XmlWriter xtw = XmlWriter.Create(sb, settings))
            {
                xtw.WriteStartElement("log4j", "event", dummyNamespace);
                xtw.WriteAttributeSafeString("xmlns", "nlog", null, dummyNLogNamespace);
                xtw.WriteAttributeSafeString("logger", logEvent.LoggerName);
                xtw.WriteAttributeSafeString("level", logEvent.Level.Name.ToUpper(CultureInfo.InvariantCulture));
                xtw.WriteAttributeSafeString("timestamp", Convert.ToString((long)(logEvent.TimeStamp.ToUniversalTime() - log4jDateBase).TotalMilliseconds, CultureInfo.InvariantCulture));
                xtw.WriteAttributeSafeString("thread", System.Threading.Thread.CurrentThread.ManagedThreadId.ToString(CultureInfo.InvariantCulture));

                xtw.WriteElementSafeString("log4j", "message", dummyNamespace, logEvent.FormattedMessage);
                if (logEvent.Exception != null)
                {
                    xtw.WriteElementSafeString("log4j", "throwable", dummyNamespace, logEvent.Exception.ToString());
                }

                if (this.IncludeNdc)
                {
                    xtw.WriteElementSafeString("log4j", "NDC", dummyNamespace, string.Join(this.NdcItemSeparator, NestedDiagnosticsContext.GetAllMessages()));
                }

                if (logEvent.Exception != null)
                {
                    xtw.WriteStartElement("log4j", "throwable", dummyNamespace);
                    xtw.WriteSafeCData(logEvent.Exception.ToString());
                    xtw.WriteEndElement();
                }

                if (this.IncludeCallSite || this.IncludeSourceInfo)
                {
                    System.Diagnostics.StackFrame frame = logEvent.UserStackFrame;
                    if (frame != null)
                    {
                        MethodBase methodBase = frame.GetMethod();
                        Type       type       = methodBase.DeclaringType;

                        xtw.WriteStartElement("log4j", "locationInfo", dummyNamespace);
                        if (type != null)
                        {
                            xtw.WriteAttributeSafeString("class", type.FullName);
                        }

                        xtw.WriteAttributeSafeString("method", methodBase.ToString());
#if !SILVERLIGHT
                        if (this.IncludeSourceInfo)
                        {
                            xtw.WriteAttributeSafeString("file", frame.GetFileName());
                            xtw.WriteAttributeSafeString("line", frame.GetFileLineNumber().ToString(CultureInfo.InvariantCulture));
                        }
#endif
                        xtw.WriteEndElement();

                        if (this.IncludeNLogData)
                        {
                            xtw.WriteElementSafeString("nlog", "eventSequenceNumber", dummyNLogNamespace, logEvent.SequenceID.ToString(CultureInfo.InvariantCulture));
                            xtw.WriteStartElement("nlog", "locationInfo", dummyNLogNamespace);
                            if (type != null)
                            {
                                xtw.WriteAttributeSafeString("assembly", type.Assembly.FullName);
                            }

                            xtw.WriteEndElement();

                            xtw.WriteStartElement("nlog", "properties", dummyNLogNamespace);
                            foreach (var contextProperty in logEvent.Properties)
                            {
                                xtw.WriteStartElement("nlog", "data", dummyNLogNamespace);
                                xtw.WriteAttributeSafeString("name", Convert.ToString(contextProperty.Key, CultureInfo.InvariantCulture));
                                xtw.WriteAttributeSafeString("value", Convert.ToString(contextProperty.Value, CultureInfo.InvariantCulture));
                                xtw.WriteEndElement();
                            }
                            xtw.WriteEndElement();
                        }
                    }
                }

                xtw.WriteStartElement("log4j", "properties", dummyNamespace);
                if (this.IncludeMdc)
                {
                    foreach (KeyValuePair <string, object> entry in MappedDiagnosticsContext.ThreadDictionary)
                    {
                        xtw.WriteStartElement("log4j", "data", dummyNamespace);
                        xtw.WriteAttributeSafeString("name", entry.Key);
                        xtw.WriteAttributeSafeString("value", String.Format(logEvent.FormatProvider, "{0}", entry.Value));
                        xtw.WriteEndElement();
                    }
                }

                foreach (NLogViewerParameterInfo parameter in this.Parameters)
                {
                    xtw.WriteStartElement("log4j", "data", dummyNamespace);
                    xtw.WriteAttributeSafeString("name", parameter.Name);
                    xtw.WriteAttributeSafeString("value", parameter.Layout.Render(logEvent));
                    xtw.WriteEndElement();
                }

                xtw.WriteStartElement("log4j", "data", dummyNamespace);
                xtw.WriteAttributeSafeString("name", "log4japp");
                xtw.WriteAttributeSafeString("value", this.AppInfo);
                xtw.WriteEndElement();

                xtw.WriteStartElement("log4j", "data", dummyNamespace);
                xtw.WriteAttributeSafeString("name", "log4jmachinename");

#if SILVERLIGHT
                xtw.WriteAttributeSafeString("value", "silverlight");
#else
                xtw.WriteAttributeSafeString("value", Environment.MachineName);
#endif
                xtw.WriteEndElement();
                xtw.WriteEndElement();

                xtw.WriteEndElement();
                xtw.Flush();

                // get rid of 'nlog' and 'log4j' namespace declarations
                sb.Replace(" xmlns:log4j=\"" + dummyNamespace + "\"", string.Empty);
                sb.Replace(" xmlns:nlog=\"" + dummyNLogNamespace + "\"", string.Empty);

                builder.Append(sb.ToString());
            }
        }
Пример #6
0
        /// <summary>
        /// Renders the XML logging event and appends it to the specified <see cref="StringBuilder" />.
        /// </summary>
        /// <param name="builder">The <see cref="StringBuilder"/> to append the rendered data to.</param>
        /// <param name="logEvent">Logging event.</param>
        protected override void Append(StringBuilder builder, LogEventInfo logEvent)
        {
            StringBuilder sb = new StringBuilder();

            using (XmlWriter xtw = XmlWriter.Create(sb, this.xmlWriterSettings))
            {
                xtw.WriteStartElement("log4j", "event", dummyNamespace);
                xtw.WriteAttributeSafeString("xmlns", "nlog", null, dummyNLogNamespace);
                xtw.WriteAttributeSafeString("logger", logEvent.LoggerName);
                xtw.WriteAttributeSafeString("level", logEvent.Level.Name.ToUpper(CultureInfo.InvariantCulture));
                xtw.WriteAttributeSafeString("timestamp", Convert.ToString((long)(logEvent.TimeStamp.ToUniversalTime() - log4jDateBase).TotalMilliseconds, CultureInfo.InvariantCulture));
                xtw.WriteAttributeSafeString("thread", System.Threading.Thread.CurrentThread.ManagedThreadId.ToString(CultureInfo.InvariantCulture));

                xtw.WriteElementSafeString("log4j", "message", dummyNamespace, logEvent.FormattedMessage);
                if (logEvent.Exception != null)
                {
                    xtw.WriteElementSafeString("log4j", "throwable", dummyNamespace, logEvent.Exception.ToString());
                }

                if (this.IncludeNdc)
                {
                    xtw.WriteElementSafeString("log4j", "NDC", dummyNamespace, string.Join(this.NdcItemSeparator, NestedDiagnosticsContext.GetAllMessages()));
                }

                if (logEvent.Exception != null)
                {
                    xtw.WriteStartElement("log4j", "throwable", dummyNamespace);
                    xtw.WriteSafeCData(logEvent.Exception.ToString());
                    xtw.WriteEndElement();
                }

                if (this.IncludeCallSite || this.IncludeSourceInfo)
                {
                    System.Diagnostics.StackFrame frame = logEvent.UserStackFrame;
                    if (frame != null)
                    {
                        MethodBase methodBase = frame.GetMethod();
                        Type       type       = methodBase.DeclaringType;

                        xtw.WriteStartElement("log4j", "locationInfo", dummyNamespace);
                        if (type != null)
                        {
                            xtw.WriteAttributeSafeString("class", type.FullName);
                        }

                        xtw.WriteAttributeSafeString("method", methodBase.ToString());
#if !SILVERLIGHT
                        if (this.IncludeSourceInfo)
                        {
                            xtw.WriteAttributeSafeString("file", frame.GetFileName());
                            xtw.WriteAttributeSafeString("line", frame.GetFileLineNumber().ToString(CultureInfo.InvariantCulture));
                        }
#endif
                        xtw.WriteEndElement();

                        if (this.IncludeNLogData)
                        {
                            xtw.WriteElementSafeString("nlog", "eventSequenceNumber", dummyNLogNamespace, logEvent.SequenceID.ToString(CultureInfo.InvariantCulture));
                            xtw.WriteStartElement("nlog", "locationInfo", dummyNLogNamespace);
                            if (type != null)
                            {
                                xtw.WriteAttributeSafeString("assembly", type.Assembly.FullName);
                            }
                            xtw.WriteEndElement();

                            xtw.WriteStartElement("nlog", "properties", dummyNLogNamespace);
                            AppendProperties("nlog", xtw, logEvent);
                            xtw.WriteEndElement();
                        }
                    }
                }

                xtw.WriteStartElement("log4j", "properties", dummyNamespace);
                if (this.IncludeMdc)
                {
                    foreach (string key in MappedDiagnosticsContext.GetNames())
                    {
                        string propertyValue = XmlHelper.XmlConvertToString(MappedDiagnosticsContext.GetObject(key));
                        if (propertyValue == null)
                        {
                            continue;
                        }

                        xtw.WriteStartElement("log4j", "data", dummyNamespace);
                        xtw.WriteAttributeSafeString("name", key);
                        xtw.WriteAttributeSafeString("value", propertyValue);
                        xtw.WriteEndElement();
                    }
                }

#if !SILVERLIGHT
                if (this.IncludeMdlc)
                {
                    foreach (string key in MappedDiagnosticsLogicalContext.GetNames())
                    {
                        string propertyValue = XmlHelper.XmlConvertToString(MappedDiagnosticsLogicalContext.GetObject(key));
                        if (propertyValue == null)
                        {
                            continue;
                        }

                        xtw.WriteStartElement("log4j", "data", dummyNamespace);
                        xtw.WriteAttributeSafeString("name", key);
                        xtw.WriteAttributeSafeString("value", propertyValue);
                        xtw.WriteEndElement();
                    }
                }
#endif

                if (this.IncludeAllProperties)
                {
                    AppendProperties("log4j", xtw, logEvent);
                }

                if (this.Parameters.Count > 0)
                {
                    foreach (NLogViewerParameterInfo parameter in this.Parameters)
                    {
                        xtw.WriteStartElement("log4j", "data", dummyNamespace);
                        xtw.WriteAttributeSafeString("name", parameter.Name);
                        xtw.WriteAttributeSafeString("value", parameter.Layout.Render(logEvent));
                        xtw.WriteEndElement();
                    }
                }

                xtw.WriteStartElement("log4j", "data", dummyNamespace);
                xtw.WriteAttributeSafeString("name", "log4japp");
                xtw.WriteAttributeSafeString("value", this.AppInfo);
                xtw.WriteEndElement();

                xtw.WriteStartElement("log4j", "data", dummyNamespace);
                xtw.WriteAttributeSafeString("name", "log4jmachinename");
                xtw.WriteAttributeSafeString("value", this.machineName);
                xtw.WriteEndElement();

                xtw.WriteEndElement();

                xtw.WriteEndElement();
                xtw.Flush();

                // get rid of 'nlog' and 'log4j' namespace declarations
                sb.Replace(dummyNamespaceRemover, string.Empty);
                sb.Replace(dummyNLogNamespaceRemover, string.Empty);
                builder.Append(sb.ToString());  // StringBuilder.Replace is not good when reusing the StringBuilder
            }
        }
        /// <summary>
        /// Renders the XML logging event and appends it to the specified <see cref="StringBuilder" />.
        /// </summary>
        /// <param name="builder">The <see cref="StringBuilder"/> to append the rendered data to.</param>
        /// <param name="logEvent">Logging event.</param>
        protected override void Append(StringBuilder builder, LogEventInfo logEvent)
        {
            StringBuilder sb = new StringBuilder();

            using (XmlWriter xtw = XmlWriter.Create(sb, _xmlWriterSettings))
            {
                xtw.WriteStartElement("log4j", "event", dummyNamespace);
                xtw.WriteAttributeSafeString("xmlns", "nlog", null, dummyNLogNamespace);
                xtw.WriteAttributeSafeString("logger", LoggerName != null ? LoggerName.Render(logEvent) : logEvent.LoggerName);
                xtw.WriteAttributeSafeString("level", logEvent.Level.Name.ToUpperInvariant());
                xtw.WriteAttributeSafeString("timestamp", Convert.ToString((long)(logEvent.TimeStamp.ToUniversalTime() - log4jDateBase).TotalMilliseconds, CultureInfo.InvariantCulture));
                xtw.WriteAttributeSafeString("thread", System.Threading.Thread.CurrentThread.ManagedThreadId.ToString(CultureInfo.InvariantCulture));

                xtw.WriteElementSafeString("log4j", "message", dummyNamespace, logEvent.FormattedMessage);
                if (logEvent.Exception != null)
                {
                    // TODO Why twice the exception details?
                    xtw.WriteElementSafeString("log4j", "throwable", dummyNamespace, logEvent.Exception.ToString());
                }

                string ndcContent = null;
                if (IncludeNdc)
                {
                    ndcContent = string.Join(NdcItemSeparator, NestedDiagnosticsContext.GetAllMessages());
                }
#if !SILVERLIGHT
                if (IncludeNdlc)
                {
                    if (ndcContent != null)
                    {
                        //extra separator
                        ndcContent += NdcItemSeparator;
                    }
                    ndcContent += string.Join(NdlcItemSeparator, NestedDiagnosticsLogicalContext.GetAllMessages());
                }
#endif

                if (ndcContent != null)
                {
                    //NDLC and NDC should be in the same element
                    xtw.WriteElementSafeString("log4j", "NDC", dummyNamespace, ndcContent);
                }

                if (logEvent.Exception != null)
                {
                    // TODO Why twice the exception details?
                    xtw.WriteStartElement("log4j", "throwable", dummyNamespace);
                    xtw.WriteSafeCData(logEvent.Exception.ToString());
                    xtw.WriteEndElement();
                }

                if (IncludeCallSite || IncludeSourceInfo)
                {
                    if (logEvent.CallSiteInformation != null)
                    {
                        MethodBase methodBase       = logEvent.CallSiteInformation.GetCallerStackFrameMethod(0);
                        string     callerClassName  = logEvent.CallSiteInformation.GetCallerClassName(methodBase, true, true, true);
                        string     callerMemberName = logEvent.CallSiteInformation.GetCallerMemberName(methodBase, true, true, true);

                        xtw.WriteStartElement("log4j", "locationInfo", dummyNamespace);
                        if (!string.IsNullOrEmpty(callerClassName))
                        {
                            xtw.WriteAttributeSafeString("class", callerClassName);
                        }

                        xtw.WriteAttributeSafeString("method", callerMemberName);
#if !SILVERLIGHT
                        if (IncludeSourceInfo)
                        {
                            xtw.WriteAttributeSafeString("file", logEvent.CallSiteInformation.GetCallerFilePath(0));
                            xtw.WriteAttributeSafeString("line", logEvent.CallSiteInformation.GetCallerLineNumber(0).ToString(CultureInfo.InvariantCulture));
                        }
#endif
                        xtw.WriteEndElement();

                        if (IncludeNLogData)
                        {
                            xtw.WriteElementSafeString("nlog", "eventSequenceNumber", dummyNLogNamespace, logEvent.SequenceID.ToString(CultureInfo.InvariantCulture));
                            xtw.WriteStartElement("nlog", "locationInfo", dummyNLogNamespace);
                            var type = methodBase?.DeclaringType;
                            if (type != null)
                            {
                                xtw.WriteAttributeSafeString("assembly", type.GetAssembly().FullName);
                            }
                            xtw.WriteEndElement();

                            xtw.WriteStartElement("nlog", "properties", dummyNLogNamespace);
                            AppendProperties("nlog", xtw, logEvent);
                            xtw.WriteEndElement();
                        }
                    }
                }

                xtw.WriteStartElement("log4j", "properties", dummyNamespace);
                if (IncludeMdc)
                {
                    foreach (string key in MappedDiagnosticsContext.GetNames())
                    {
                        string propertyValue = XmlHelper.XmlConvertToString(MappedDiagnosticsContext.GetObject(key));
                        if (propertyValue == null)
                        {
                            continue;
                        }

                        xtw.WriteStartElement("log4j", "data", dummyNamespace);
                        xtw.WriteAttributeSafeString("name", key);
                        xtw.WriteAttributeSafeString("value", propertyValue);
                        xtw.WriteEndElement();
                    }
                }

#if !SILVERLIGHT
                if (IncludeMdlc)
                {
                    foreach (string key in MappedDiagnosticsLogicalContext.GetNames())
                    {
                        string propertyValue = XmlHelper.XmlConvertToString(MappedDiagnosticsLogicalContext.GetObject(key));
                        if (propertyValue == null)
                        {
                            continue;
                        }

                        xtw.WriteStartElement("log4j", "data", dummyNamespace);
                        xtw.WriteAttributeSafeString("name", key);
                        xtw.WriteAttributeSafeString("value", propertyValue);
                        xtw.WriteEndElement();
                    }
                }
#endif

                if (IncludeAllProperties)
                {
                    AppendProperties("log4j", xtw, logEvent);
                }

                if (Parameters.Count > 0)
                {
                    foreach (NLogViewerParameterInfo parameter in Parameters)
                    {
                        xtw.WriteStartElement("log4j", "data", dummyNamespace);
                        xtw.WriteAttributeSafeString("name", parameter.Name);
                        xtw.WriteAttributeSafeString("value", parameter.Layout.Render(logEvent));
                        xtw.WriteEndElement();
                    }
                }

                xtw.WriteStartElement("log4j", "data", dummyNamespace);
                xtw.WriteAttributeSafeString("name", "log4japp");
                xtw.WriteAttributeSafeString("value", AppInfo);
                xtw.WriteEndElement();

                xtw.WriteStartElement("log4j", "data", dummyNamespace);
                xtw.WriteAttributeSafeString("name", "log4jmachinename");
                xtw.WriteAttributeSafeString("value", _machineName);
                xtw.WriteEndElement();

                xtw.WriteEndElement();

                xtw.WriteEndElement();
                xtw.Flush();

                // get rid of 'nlog' and 'log4j' namespace declarations
                sb.Replace(dummyNamespaceRemover, string.Empty);
                sb.Replace(dummyNLogNamespaceRemover, string.Empty);
                builder.Append(sb.ToString());  // StringBuilder.Replace is not good when reusing the StringBuilder
            }
        }
Пример #8
0
        public void NDCTest1()
        {
            List <Exception> exceptions = new List <Exception>();
            ManualResetEvent mre        = new ManualResetEvent(false);
            int counter   = 500;
            int remaining = counter;

            for (int i = 0; i < counter; ++i)
            {
                ThreadPool.QueueUserWorkItem(
                    s =>
                {
                    try
                    {
                        NestedDiagnosticsContext.Clear();
                        Assert.AreEqual(string.Empty, NestedDiagnosticsContext.TopMessage);
                        Assert.AreEqual(string.Empty, NestedDiagnosticsContext.Pop());
                        AssertContents(NestedDiagnosticsContext.GetAllMessages());
                        using (NestedDiagnosticsContext.Push("foo"))
                        {
                            Assert.AreEqual("foo", NestedDiagnosticsContext.TopMessage);
                            AssertContents(NestedDiagnosticsContext.GetAllMessages(), "foo");
                            using (NestedDiagnosticsContext.Push("bar"))
                            {
                                AssertContents(NestedDiagnosticsContext.GetAllMessages(), "bar", "foo");
                                Assert.AreEqual("bar", NestedDiagnosticsContext.TopMessage);
                                NestedDiagnosticsContext.Push("baz");
                                AssertContents(NestedDiagnosticsContext.GetAllMessages(), "baz", "bar", "foo");
                                Assert.AreEqual("baz", NestedDiagnosticsContext.TopMessage);
                                Assert.AreEqual("baz", NestedDiagnosticsContext.Pop());

                                AssertContents(NestedDiagnosticsContext.GetAllMessages(), "bar", "foo");
                                Assert.AreEqual("bar", NestedDiagnosticsContext.TopMessage);
                            }

                            AssertContents(NestedDiagnosticsContext.GetAllMessages(), "foo");
                            Assert.AreEqual("foo", NestedDiagnosticsContext.TopMessage);
                        }

                        AssertContents(NestedDiagnosticsContext.GetAllMessages());
                        Assert.AreEqual(string.Empty, NestedDiagnosticsContext.Pop());
                    }
                    catch (Exception ex)
                    {
                        lock (exceptions)
                        {
                            exceptions.Add(ex);
                        }
                    }
                    finally
                    {
                        if (Interlocked.Decrement(ref remaining) == 0)
                        {
                            mre.Set();
                        }
                    }
                });
            }

            mre.WaitOne();
            Assert.AreEqual(0, exceptions.Count);
        }
        public void NDCTest2_object()
        {
            List <Exception> exceptions = new List <Exception>();
            ManualResetEvent mre        = new ManualResetEvent(false);
            int counter   = 100;
            int remaining = counter;

            for (int i = 0; i < counter; ++i)
            {
                ThreadPool.QueueUserWorkItem(
                    s =>
                {
                    try
                    {
                        NestedDiagnosticsContext.Clear();
                        Assert.Null(NestedDiagnosticsContext.TopObject);
                        Assert.Null(NestedDiagnosticsContext.PopObject());
                        AssertContents(NestedDiagnosticsContext.GetAllMessages());
                        using (NestedDiagnosticsContext.Push("foo"))
                        {
                            Assert.Equal("foo", NestedDiagnosticsContext.TopObject);
                            AssertContents(NestedDiagnosticsContext.GetAllObjects(), "foo");
                            using (NestedDiagnosticsContext.Push("bar"))
                            {
                                AssertContents(NestedDiagnosticsContext.GetAllObjects(), "bar", "foo");
                                Assert.Equal("bar", NestedDiagnosticsContext.TopObject);
                                NestedDiagnosticsContext.Push("baz");
                                AssertContents(NestedDiagnosticsContext.GetAllObjects(), "baz", "bar", "foo");
                                Assert.Equal("baz", NestedDiagnosticsContext.TopObject);
                                Assert.Equal("baz", NestedDiagnosticsContext.PopObject());

                                AssertContents(NestedDiagnosticsContext.GetAllObjects(), "bar", "foo");
                                Assert.Equal("bar", NestedDiagnosticsContext.TopObject);
                            }

                            AssertContents(NestedDiagnosticsContext.GetAllObjects(), "foo");
                            Assert.Equal("foo", NestedDiagnosticsContext.TopObject);
                        }

                        AssertContents(NestedDiagnosticsContext.GetAllMessages());
                        Assert.Null(NestedDiagnosticsContext.PopObject());
                    }
                    catch (Exception ex)
                    {
                        lock (exceptions)
                        {
                            exceptions.Add(ex);
                        }
                    }
                    finally
                    {
                        if (Interlocked.Decrement(ref remaining) == 0)
                        {
                            mre.Set();
                        }
                    }
                });
            }

            mre.WaitOne();
            StringBuilder exceptionsMessage = new StringBuilder();

            foreach (var ex in exceptions)
            {
                if (exceptionsMessage.Length > 0)
                {
                    exceptionsMessage.Append("\r\n");
                }

                exceptionsMessage.Append(ex.ToString());
            }

            Assert.True(exceptions.Count == 0, exceptionsMessage.ToString());
        }