public void LogFileExistsTest() { TraceEvent _tracer = CommServerComponent.Tracer; FileInfo _logFileInfo = new FileInfo(@"CAS.CommServer.ProtocolHub.Communication.log"); long _logFileLength = _logFileInfo.Length; Assert.IsTrue(500 < _logFileLength, $"The file length is {_logFileLength} but expected < 500"); _tracer.TraceVerbose(0, "Unit Test", "LogFileExistsTest is executed"); _logFileInfo.Refresh(); Assert.IsTrue(_logFileInfo.Exists); Assert.IsTrue(_logFileInfo.Length > _logFileLength + 20); }