Tighter level mapping, though for invalid cases only

Author: nblumhardt

src/Serilog.Extensions.Logging/Extensions/Logging/LevelConvert.cs

@@ -36,7 +36,8 @@ public static LogEventLevel ToSerilogLevel(LogLevel logLevel)
     {
         return logLevel switch
         {
-            LogLevel.None or LogLevel.Critical => LogEventLevel.Fatal,
+            LogLevel.None => LevelAlias.Off,
+            LogLevel.Critical => LogEventLevel.Fatal,
             LogLevel.Error => LogEventLevel.Error,
             LogLevel.Warning => LogEventLevel.Warning,
             LogLevel.Information => LogEventLevel.Information,

test/Serilog.Extensions.Logging.Benchmarks/LogEventConstructionBenchmark.cs renamed to test/Serilog.Extensions.Logging.Benchmarks/EventIdCapturingBenchmark.cs

@@ -23,19 +23,19 @@
 namespace Serilog.Extensions.Logging.Benchmarks;
 
 [MemoryDiagnoser]
-public class LogEventConstructionBenchmark
+public class EventIdCapturingBenchmark
 {
     readonly IMelLogger _melLogger;
     readonly ILogger _serilogContextualLogger;
     readonly CapturingSink _sink;
     const int LowId = 10, HighId = 101;
     const string Template = "This is an event";
 
-    public LogEventConstructionBenchmark()
+    public EventIdCapturingBenchmark()
     {
         _sink = new CapturingSink();
         var underlyingLogger = new LoggerConfiguration().WriteTo.Sink(_sink).CreateLogger();
-        _serilogContextualLogger = underlyingLogger.ForContext<LogEventConstructionBenchmark>();
+        _serilogContextualLogger = underlyingLogger.ForContext<EventIdCapturingBenchmark>();
         _melLogger = new SerilogLoggerProvider(underlyingLogger).CreateLogger(GetType().FullName!);
     }
 
@@ -68,7 +68,7 @@ public void Verify()
     [Fact]
     public void Benchmark()
     {
-        BenchmarkRunner.Run<LogEventConstructionBenchmark>();
+        BenchmarkRunner.Run<EventIdCapturingBenchmark>();
     }
 
     [Benchmark(Baseline = true)]