public void MemoryTraceWriterTest() { #region MemoryTraceWriterExample Staff staff = new Staff(); staff.Name = "Arnie Admin"; staff.Roles = new List <string> { "Administrator" }; staff.StartDate = new DateTime(2000, 12, 12, 12, 12, 12, DateTimeKind.Utc); ITraceWriter traceWriter = new MemoryTraceWriter(); JsonConvert.SerializeObject( staff, new JsonSerializerSettings { TraceWriter = traceWriter, Converters = { new JavaScriptDateTimeConverter() } }); Console.WriteLine(traceWriter); #endregion MemoryTraceWriter memoryTraceWriter = (MemoryTraceWriter)traceWriter; string expectedLogs = @"2012-11-11T12:08:42.761 Info Started serializing Newtonsoft.Json.Tests.Serialization.Staff. Path ''. 2012-11-11T12:08:42.785 Info Started serializing System.DateTime with converter Newtonsoft.Json.Converters.JavaScriptDateTimeConverter. Path 'StartDate'. 2012-11-11T12:08:42.791 Info Finished serializing System.DateTime with converter Newtonsoft.Json.Converters.JavaScriptDateTimeConverter. Path 'StartDate'. 2012-11-11T12:08:42.797 Info Started serializing System.Collections.Generic.List`1[System.String]. Path 'Roles'. 2012-11-11T12:08:42.798 Info Finished serializing System.Collections.Generic.List`1[System.String]. Path 'Roles'. 2012-11-11T12:08:42.799 Info Finished serializing Newtonsoft.Json.Tests.Serialization.Staff. Path ''. 2013-05-18T21:38:11.255 Verbose Serialized JSON: { ""Name"": ""Arnie Admin"", ""StartDate"": new Date( 976623132000 ), ""Roles"": [ ""Administrator"" ] }"; StringAssert.AreEqualExceptTimestamps(expectedLogs, memoryTraceWriter.ToString()); Assert.AreEqual(7, memoryTraceWriter.GetTraceMessages().Count()); }