Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/nunit24/NUnitCore/core/NTrace.cs

@@ -0,0 +1,123 @@
+using System;
+using System.Diagnostics;
+
+namespace NUnit.Core
+{
+	/// <summary>
+	/// Summary description for Logger.
+	/// </summary>
+	public class NTrace
+	{
+		private readonly static TraceSwitch Level = new TraceSwitch( "NTrace", "NUnit internal trace" ); 
+		private readonly static string NL = Environment.NewLine;
+
+		#region Error
+		public static void Error( string message )
+		{
+			if ( Level.TraceError )
+				WriteLine( message );
+		}
+
+		public static void Error( string message, string category )
+		{
+			if ( Level.TraceError )
+				WriteLine( message, category );
+		}
+
+		public static void ErrorFormat( string message, params object[] args )
+		{
+			if ( Level.TraceError )
+				WriteFormat( message, args );
+		}
+
+		public static void Error( string message, Exception ex )
+		{
+			if ( Level.TraceError )
+			{
+				WriteLine( message );
+				WriteLine( ex.ToString() );
+			}
+		}
+		#endregion
+
+		#region Warning
+		public static void Warning( string message )
+		{
+			if ( Level.TraceWarning )
+				WriteLine( message );
+		}
+
+		public static void Warning( string message, string category )
+		{
+			if ( Level.TraceWarning )
+				WriteLine( message, category );
+		}
+
+		public static void WarningFormat( string message, params object[] args )
+		{
+			if ( Level.TraceWarning )
+				WriteFormat( message, args );
+		}
+		#endregion
+
+		#region Info
+		public static void Info( string message )
+		{
+			if ( Level.TraceInfo )
+				WriteLine( message );
+		}
+
+		public static void Info( string message, string category )
+		{
+			if ( Level.TraceInfo )
+				WriteLine( message, category );
+		}
+
+		public static void InfoFormat( string message, params object[] args )
+		{
+			if ( Level.TraceInfo )
+				WriteFormat( message, args );
+		}
+		#endregion
+
+		#region Debug
+		public static void Debug( string message )
+		{
+			if ( Level.TraceVerbose )
+				WriteLine( message );
+		}
+
+		public static void Debug( string message, string category )
+		{
+			if ( Level.TraceVerbose )
+				WriteLine( message, category );
+		}
+
+		public static void DebugFormat( string message, params object[] args )
+		{
+			if ( Level.TraceVerbose )
+				WriteFormat( message, args );
+		}
+		#endregion
+
+		#region Helper Methods
+		private static void WriteLine( string message )
+		{
+			Trace.WriteLine( message );
+		}
+
+		private static void WriteLine( string message, string category )
+		{
+			Trace.WriteLine( message, category );
+		}
+
+		private static void WriteFormat( string format, params object[] args )
+		{
+			string message = string.Format( format, args );
+			Trace.WriteLine( message );
+		}
+		#endregion
+
+		private NTrace() { }
+	}
+}