CK.Monitoring.Tests.Persistence.ReadWriteTests.LogEntryReadWrite C# (CSharp) Method

        public void LogEntryReadWrite()
        {
            var exInner = new CKExceptionData( "message", "typeof(exception)", "assemblyQualifiedName", "stackTrace", null, "fileName", "fusionLog", null, null );
            var ex2 = new CKExceptionData( "message2", "typeof(exception2)", "assemblyQualifiedName2", "stackTrace2", exInner, "fileName2", "fusionLog2", null, null );
            var exL = new CKExceptionData( "loader-message", "typeof(loader-exception)", "loader-assemblyQualifiedName", "loader-stackTrace", null, "loader-fileName", "loader-fusionLog", null, null );
            var exAgg = new CKExceptionData( "agg-message", "typeof(agg-exception)", "agg-assemblyQualifiedName", "agg-stackTrace", ex2, "fileName", "fusionLog", null, new[]{ ex2, exL } );

            var prevLog = DateTimeStamp.UtcNow;
            ILogEntry e1 = LogEntry.CreateLog( "Text1", new DateTimeStamp( DateTime.UtcNow, 42 ), LogLevel.Info, "c:\\test.cs", 3712, ActivityMonitor.Tags.CreateDependentActivity, exAgg );
            ILogEntry e2 = LogEntry.CreateMulticastLog( Guid.Empty, LogEntryType.Line, prevLog, 5, "Text2", DateTimeStamp.UtcNow, LogLevel.Fatal, null, 3712, ActivityMonitor.Tags.CreateDependentActivity, exAgg );

            using( var mem = new MemoryStream() )
            using( var w = new CKBinaryWriter( mem ) )
            {
                w.Write( LogReader.CurrentStreamVersion );
                e1.WriteLogEntry( w );
                e2.WriteLogEntry( w );
                w.Write( (byte)0 );
                w.Flush();

                byte[] versionBytes = new byte[4];
                mem.Position = 0;
                mem.Read( versionBytes, 0, 4 );
                Assert.That( BitConverter.ToInt32( versionBytes, 0 ), Is.EqualTo( LogReader.CurrentStreamVersion ) );

                using( var reader = new LogReader( mem, LogReader.CurrentStreamVersion, 4 ) )
                {
                    Assert.That( reader.MoveNext() );
                    Assert.That( reader.Current.Text, Is.EqualTo( e1.Text ) );
                    Assert.That( reader.Current.LogLevel, Is.EqualTo( e1.LogLevel ) );
                    Assert.That( reader.Current.LogTime, Is.EqualTo( e1.LogTime ) );
                    Assert.That( reader.Current.FileName, Is.EqualTo( e1.FileName ) );
                    Assert.That( reader.Current.LineNumber, Is.EqualTo( e1.LineNumber ) );
                    Assert.That( reader.Current.Exception.ExceptionTypeAssemblyQualifiedName, Is.EqualTo( e1.Exception.ExceptionTypeAssemblyQualifiedName ) );
                    Assert.That( reader.Current.Exception.ToString(), Is.EqualTo( e1.Exception.ToString() ) );

                    Assert.That( reader.MoveNext() );
                    Assert.That( reader.CurrentMulticast.PreviousEntryType, Is.EqualTo( LogEntryType.Line ) );
                    Assert.That( reader.CurrentMulticast.PreviousLogTime, Is.EqualTo( prevLog ) );
                    Assert.That( reader.Current.Text, Is.EqualTo( e2.Text ) );
                    Assert.That( reader.Current.LogTime, Is.EqualTo( e2.LogTime ) );
                    Assert.That( reader.Current.FileName, Is.Null );
                    Assert.That( reader.Current.LineNumber, Is.EqualTo( 0 ), "Since no file name is set, line number is 0." );
                    Assert.That( reader.Current.Exception.ExceptionTypeAssemblyQualifiedName, Is.EqualTo( e2.Exception.ExceptionTypeAssemblyQualifiedName ) );
                    Assert.That( reader.Current.Exception.ToString(), Is.EqualTo( e2.Exception.ToString() ) );
                    
                    Assert.That( reader.MoveNext(), Is.False );
                    Assert.That( reader.BadEndOfFileMarker, Is.False );
                }
            }

        }