Fix analyzer RCS0036 (#1466)

Author: josefpihrt

ChangeLog.md

@@ -13,6 +13,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Fix analyzer [RCS1085](https://josefpihrt.github.io/docs/roslynator/analyzers/RCS1085) ([PR](https://github.com/dotnet/roslynator/pull/1461))
 - Fix analyzer [RCS1077](https://josefpihrt.github.io/docs/roslynator/analyzers/RCS1077) ([PR](https://github.com/dotnet/roslynator/pull/1463))
 - [CLI] Fix `roslynator analyze --include/--exclude` ([PR](https://github.com/dotnet/roslynator/pull/1459))
+- Fix analyzer [RCS0036](https://josefpihrt.github.io/docs/roslynator/analyzers/RCS0036) ([PR](https://github.com/dotnet/roslynator/pull/1466))
 
 ## [4.12.2] - 2024-04-23
 

src/Formatting.Analyzers/CSharp/BlankLineBetweenDeclarationsAnalyzer.cs

@@ -118,8 +118,11 @@ private static void Analyze(SyntaxNodeAnalysisContext context, SyntaxList<Member
             {
                 if (block.Kind == TriviaBlockKind.BlankLine)
                 {
-                    if (MemberKindEquals(previousMember, member))
+                    if (!block.ContainsDocumentationComment
+                        && MemberKindEquals(previousMember, member))
+                    {
                         ReportDiagnostic(context, DiagnosticRules.RemoveBlankLineBetweenSingleLineDeclarationsOfSameKind, block);
+                    }
                 }
                 else
                 {
@@ -201,7 +204,8 @@ private static void AnalyzeEnumDeclaration(SyntaxNodeAnalysisContext context)
             if ((isSingleLine ?? (isSingleLine = tree.IsSingleLineSpan(member.Span, cancellationToken)).Value)
                 && (isPreviousSingleLine ?? tree.IsSingleLineSpan(members[i - 1].Span, cancellationToken)))
             {
-                if (block.Kind == TriviaBlockKind.BlankLine)
+                if (!block.ContainsDocumentationComment
+                    && block.Kind == TriviaBlockKind.BlankLine)
                 {
                     ReportDiagnostic(context, DiagnosticRules.RemoveBlankLineBetweenSingleLineDeclarationsOfSameKind, block);
                 }

src/Tests/Formatting.Analyzers.Tests/RCS0036RemoveBlankLineBetweenSingleLineDeclarationsOfSameKindTests.cs

@@ -97,6 +97,36 @@ class C
 
     string F = null;
 }
+");
+    }
+
+    [Fact, Trait(Traits.Analyzer, DiagnosticIdentifiers.RemoveBlankLineBetweenSingleLineDeclarationsOfSameKind)]
+    public async Task TestNoDiagnostic_DocCommentBetweenMembers()
+    {
+        await VerifyNoDiagnosticAsync(@"
+class C
+{
+    string P1 { get; set; }
+    
+    /// <summary>
+    /// </summary>
+    string P2 { get; set; }
+}
+");
+    }
+
+    [Fact, Trait(Traits.Analyzer, DiagnosticIdentifiers.RemoveBlankLineBetweenSingleLineDeclarationsOfSameKind)]
+    public async Task TestNoDiagnostic_DocCommentBetweenEnumMembers()
+    {
+        await VerifyNoDiagnosticAsync(@"
+enum C
+{
+    A,
+
+    /// <summary>
+    /// </summary>
+    B,
+}
 ");
     }
 }