filelogtracelistener.cs

大名鼎鼎的mono是.NET平台的跨平台（支持linux

			using (FileLogTraceListener log = new FileLogTraceListener ()) {
				log.Filter = new System.Diagnostics.EventTypeFilter (System.Diagnostics.SourceLevels.All);
				string filename = log.FullLogFileName;
				string data;
				System.Diagnostics.TraceEventCache cache = new System.Diagnostics.TraceEventCache ();
				
				log.TraceData (cache, "nunit", System.Diagnostics.TraceEventType.Critical, 0, null);
				log.Close ();
				data = Microsoft.VisualBasic.FileIO.FileSystem.ReadAllText (filename);
				Microsoft.VisualBasic.FileIO.FileSystem.DeleteFile (filename);
				
				Assert.AreEqual ("nunit\tCritical\t0\t\r\n", data, "#01");
			}


			using (FileLogTraceListener log = new FileLogTraceListener ()) {
				log.Filter = new System.Diagnostics.EventTypeFilter (System.Diagnostics.SourceLevels.All);
				string filename = log.FullLogFileName;
				string data;
				System.Diagnostics.TraceEventCache cache = new System.Diagnostics.TraceEventCache ();

				log.TraceData (cache, "nunit", System.Diagnostics.TraceEventType.Critical, 0, "data");
				log.Close ();
				data = Microsoft.VisualBasic.FileIO.FileSystem.ReadAllText (filename);
				Microsoft.VisualBasic.FileIO.FileSystem.DeleteFile (filename);

				Assert.AreEqual ("nunit\tCritical\t0\tdata\r\n", data, "#02");
			}

			using (FileLogTraceListener log = new FileLogTraceListener ()) {
				log.Filter = new System.Diagnostics.EventTypeFilter (System.Diagnostics.SourceLevels.All);
				string filename = log.FullLogFileName;
				string data;
				System.Diagnostics.TraceEventCache cache = new System.Diagnostics.TraceEventCache ();

				log.TraceData (cache, "nunit", System.Diagnostics.TraceEventType.Critical, 0, "data", "data2");
				log.Close ();
				data = Microsoft.VisualBasic.FileIO.FileSystem.ReadAllText (filename);
				Microsoft.VisualBasic.FileIO.FileSystem.DeleteFile (filename);

				Assert.AreEqual ("nunit\tCritical\t0\tdata\tdata2\r\n", data, "#03");
			}

			using (FileLogTraceListener log = new FileLogTraceListener ()) {
				log.Filter = new System.Diagnostics.EventTypeFilter (System.Diagnostics.SourceLevels.All);
				string filename = log.FullLogFileName;
				string data;
				System.Diagnostics.TraceEventCache cache = new System.Diagnostics.TraceEventCache ();

				log.TraceEvent (cache, "nunit", System.Diagnostics.TraceEventType.Critical, 0, "msg");
				log.Close ();
				data = Microsoft.VisualBasic.FileIO.FileSystem.ReadAllText (filename);
				Microsoft.VisualBasic.FileIO.FileSystem.DeleteFile (filename);

				Assert.AreEqual ("nunit\tCritical\t0\tmsg\r\n", data, "#04");
			}


			using (FileLogTraceListener log = new FileLogTraceListener ()) {
				log.Filter = new System.Diagnostics.EventTypeFilter (System.Diagnostics.SourceLevels.All);
				string filename = log.FullLogFileName;
				string data;
				System.Diagnostics.TraceEventCache cache = new System.Diagnostics.TraceEventCache ();

				log.TraceEvent (cache, "nunit", System.Diagnostics.TraceEventType.Critical, 0, "msg:{0}", "arg1");
				log.Close ();
				data = Microsoft.VisualBasic.FileIO.FileSystem.ReadAllText (filename);
				Microsoft.VisualBasic.FileIO.FileSystem.DeleteFile (filename);

				Assert.AreEqual ("nunit\tCritical\t0\tmsg:arg1\r\n", data, "#05");
			}
			
			using (FileLogTraceListener log = new FileLogTraceListener ()) {
				log.Filter = new System.Diagnostics.EventTypeFilter (System.Diagnostics.SourceLevels.All);
				string filename = log.FullLogFileName;
				string data;
				System.Diagnostics.TraceEventCache cache = new System.Diagnostics.TraceEventCache ();
				
				log.TraceOutputOptions = System.Diagnostics.TraceOptions.DateTime | System.Diagnostics.TraceOptions.LogicalOperationStack | System.Diagnostics.TraceOptions.ProcessId | System.Diagnostics.TraceOptions.ThreadId | System.Diagnostics.TraceOptions.Timestamp;
				log.TraceData (cache, "nunit", System.Diagnostics.TraceEventType.Critical, 0, null);
				log.Close ();
				data = Microsoft.VisualBasic.FileIO.FileSystem.ReadAllText (filename);
				Microsoft.VisualBasic.FileIO.FileSystem.DeleteFile (filename);
				
				Assert.AreEqual ("nunit\tCritical\t0\t\t\"\"\t" + cache.DateTime.ToString ("u", CultureInfo.InvariantCulture) + "\t" + cache.ProcessId + "\t" + cache.ThreadId + "\t" + cache.Timestamp + System.Environment.NewLine, data, "#06");
			}


			using (FileLogTraceListener log = new FileLogTraceListener ()) {
				log.Filter = new System.Diagnostics.EventTypeFilter (System.Diagnostics.SourceLevels.All);
				log.IncludeHostName = true;
				
				string filename = log.FullLogFileName;
				string data;
				System.Diagnostics.TraceEventCache cache = new System.Diagnostics.TraceEventCache ();

				log.TraceOutputOptions = System.Diagnostics.TraceOptions.DateTime | System.Diagnostics.TraceOptions.LogicalOperationStack | System.Diagnostics.TraceOptions.ProcessId | System.Diagnostics.TraceOptions.ThreadId | System.Diagnostics.TraceOptions.Timestamp;
				log.TraceData (cache, "nunit", System.Diagnostics.TraceEventType.Critical, 0, null);
				log.Close ();
				data = Microsoft.VisualBasic.FileIO.FileSystem.ReadAllText (filename);
				Microsoft.VisualBasic.FileIO.FileSystem.DeleteFile (filename);

				Assert.AreEqual ("nunit\tCritical\t0\t\t\"\"\t" + cache.DateTime.ToString ("u", CultureInfo.InvariantCulture) + "\t" + cache.ProcessId + "\t" + cache.ThreadId + "\t" + cache.Timestamp + "\t" + Environment.MachineName + System.Environment.NewLine, data, "#07");
			}
		}
		
		[Test]
		public void AppendTest ()
		{

			using (FileLogTraceListener log = new FileLogTraceListener ()) {
				log.Filter = new System.Diagnostics.EventTypeFilter (System.Diagnostics.SourceLevels.All);
				log.Append = false;
				string filename = log.FullLogFileName;
				string data;
				System.Diagnostics.TraceEventCache cache = new System.Diagnostics.TraceEventCache ();

				log.TraceData (cache, "nunit", System.Diagnostics.TraceEventType.Critical, 0, null);
				log.Close ();
				data = Microsoft.VisualBasic.FileIO.FileSystem.ReadAllText (filename);

				Assert.AreEqual ("nunit\tCritical\t0\t\r\n", data, "#01");	
			}


			using (FileLogTraceListener log = new FileLogTraceListener ()) {
				log.Filter = new System.Diagnostics.EventTypeFilter (System.Diagnostics.SourceLevels.All);
				log.Append = true;
				string filename = log.FullLogFileName;
				string data;
				System.Diagnostics.TraceEventCache cache = new System.Diagnostics.TraceEventCache ();

				log.TraceData (cache, "nunit", System.Diagnostics.TraceEventType.Critical, 0, null);
				log.Close ();
				data = Microsoft.VisualBasic.FileIO.FileSystem.ReadAllText (filename);

				Assert.AreEqual ("nunit\tCritical\t0\t\r\n" + "nunit\tCritical\t0\t\r\n", data, "#02");
			}

			using (FileLogTraceListener log = new FileLogTraceListener ()) {
				log.Filter = new System.Diagnostics.EventTypeFilter (System.Diagnostics.SourceLevels.All);
				log.Append = false;
				string filename = log.FullLogFileName;
				string data;
				System.Diagnostics.TraceEventCache cache = new System.Diagnostics.TraceEventCache ();

				log.TraceData (cache, "nunit", System.Diagnostics.TraceEventType.Critical, 0, null);
				log.Close ();
				data = Microsoft.VisualBasic.FileIO.FileSystem.ReadAllText (filename);

				Assert.AreEqual ("nunit\tCritical\t0\t\r\n", data, "#03");
				Microsoft.VisualBasic.FileIO.FileSystem.DeleteFile (filename);
			}
			
			
		}
		
	}
	
	class Derived : FileLogTraceListener
	{
		protected override string [] GetSupportedAttributes ()
		{
			return base.GetSupportedAttributes ();
		}
		
		public string [] GetAttribs ()
		{
			return GetSupportedAttributes ();
		}
	}
}
#endif