Improve code coverage for M.E.Diagnostics.Testing (#4820)

dotnet · Dec 18, 2023 · db802cc · db802cc
1 parent cf2ea6b
commit db802cc
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/test/Libraries/Microsoft.Extensions.Diagnostics.Testing.Tests/Logging/FakeLoggerTests.cs b/test/Libraries/Microsoft.Extensions.Diagnostics.Testing.Tests/Logging/FakeLoggerTests.cs
@@ -106,6 +106,15 @@ public void State()
         Assert.Equal("Hello {name}", ss["{OriginalFormat}"]);
     }
 
+    [Fact]
+    public void NullState()
+    {
+        var logger = new FakeLogger();
+        logger.Log<object?>(LogLevel.Error, new EventId(0), null, null, (_, _) => "MESSAGE");
+
+        Assert.Null(logger.LatestRecord.GetStructuredStateValue("K0"));
+    }
+
     [Fact]
     public void StateInvariant()
     {