BuildingCoder.CmdCollectorPerformance.BenchmarkAllLevels C# (CSharp) Метод

        void BenchmarkAllLevels( int nLevels )
        {
            Type t = typeof( Level );
              int n;

              using( JtTimer pt = new JtTimer(
            "Empty method *" ) )
              {
            EmptyMethod( t );
              }

              using( JtTimer pt = new JtTimer(
            "NotElementType *" ) )
              {
            FilteredElementCollector a
              = GetNonElementTypeElements();
              }

              using( JtTimer pt = new JtTimer(
            "NotElementType as IList *" ) )
              {
            IList<Element> a
              = GetNonElementTypeElements().ToElements();
            n = a.Count;
              }
              Debug.Assert( nLevels <= n,
            "expected to retrieve all non-element-type elements" );

              using( JtTimer pt = new JtTimer(
            "NotElementType as List *" ) )
              {
            List<Element> a = new List<Element>(
              GetNonElementTypeElements() );

            n = a.Count;
              }
              Debug.Assert( nLevels <= n,
            "expected to retrieve all non-element-type elements" );

              using( JtTimer pt = new JtTimer( "Explicit" ) )
              {
            List<Element> a
              = GetElementsOfTypeUsingExplicitCode( t );

            n = a.Count;
              }
              Debug.Assert( nLevels == n,
            "expected to retrieve all levels" );

              using( JtTimer pt = new JtTimer( "Linq" ) )
              {
            IEnumerable<Element> a =
              GetElementsOfTypeUsingLinq( t );

            n = a.Count<Element>();
              }
              Debug.Assert( nLevels == n,
            "expected to retrieve all levels" );

              using( JtTimer pt = new JtTimer(
            "Linq as List" ) )
              {
            List<Element> a = new List<Element>(
              GetElementsOfTypeUsingLinq( t ) );

            n = a.Count;
              }
              Debug.Assert( nLevels == n,
            "expected to retrieve all levels" );

              using( JtTimer pt = new JtTimer( "Collector" ) )
              {
            FilteredElementCollector a
              = GetElementsOfType( t );
              }

              using( JtTimer pt = new JtTimer(
            "Collector as IList" ) )
              {
            IList<Element> a
              = GetElementsOfType( t ).ToElements();

            n = a.Count;
              }
              Debug.Assert( nLevels == n,
            "expected to retrieve all levels" );

              using( JtTimer pt = new JtTimer(
            "Collector as List" ) )
              {
            List<Element> a = new List<Element>(
              GetElementsOfType( t ) );

            n = a.Count;
              }
              Debug.Assert( nLevels == n,
            "expected to retrieve all levels" );
        }