test + changelog

Author: daveMueller

Documentation/Changelog.md

@@ -4,6 +4,11 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## Unreleased
+
+### Fixed
+-ExcludeFromCodeCoverage attribute on local functions ignores lambda expression [#1302](https://github.com/coverlet-coverage/coverlet/issues/1302)
+
 ## Release date 2022-02-06
 ### Packages  
 coverlet.msbuild 3.1.2  

test/coverlet.core.tests/Coverage/CoverageTests.ExcludeFromCoverageAttribute.cs

@@ -277,5 +277,32 @@ public void ExcludeFromCodeCoverageAutoGeneratedGet()
                 File.Delete(path);
             }
         }
+
+        [Fact]
+        public void ExcludeFromCodeCoverage_Issue1302()
+        {
+            string path = Path.GetTempFileName();
+            try
+            {
+                FunctionExecutor.Run(async (string[] pathSerialize) =>
+                {
+                    CoveragePrepareResult coveragePrepareResult = await TestInstrumentationHelper.Run<Issue1302>(instance =>
+                    {
+                        instance.Run();
+                        return Task.CompletedTask;
+                    }, persistPrepareResultToFile: pathSerialize[0]);
+
+                    return 0;
+                }, new string[] { path });
+
+                TestInstrumentationHelper.GetCoverageResult(path)
+                    .Document("Instrumentation.ExcludeFromCoverage.Issue1302.cs")
+                    .AssertNonInstrumentedLines(BuildConfiguration.Debug, 10, 13);
+            }
+            finally
+            {
+                File.Delete(path);
+            }
+        }
     }
 }

test/coverlet.core.tests/Samples/Instrumentation.ExcludeFromCoverage.Issue1302.cs

@@ -0,0 +1,18 @@
+using System;
+
+namespace Coverlet.Core.Samples.Tests
+{
+    public class Issue1302
+    {
+        public void Run()
+        {
+            [System.Diagnostics.CodeAnalysis.ExcludeFromCodeCoverage]
+            static Func<string, bool> LocalFunction()
+            {
+                return myString => myString.Length == 10;
+            }
+
+            LocalFunction();
+        }
+    }
+}