Fix RCS0049 (#1386)

dotnet · Feb 7, 2024 · 972b3f7 · 972b3f7
1 parent 0ff1340
commit 972b3f7
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diff --git a/ChangeLog.md b/ChangeLog.md
@@ -15,6 +15,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   - `items.Select(selector).Average()` => `items.Average(selector)`
   - `items.Select(selector).Sum()` => `items.Sum(selector)`
 
+### Fixed
+
+- Fix analyzer [RCS0049](https://josefpihrt.github.io/docs/roslynator/analyzers/RCS0049) ([PR](https://github.com/dotnet/roslynator/pull/1386))
+
 ## [4.10.0] - 2024-01-24
 
 ### Added

diff --git a/src/Formatting.Analyzers/CSharp/AddBlankLineAfterTopCommentAnalyzer.cs b/src/Formatting.Analyzers/CSharp/AddBlankLineAfterTopCommentAnalyzer.cs
@@ -46,7 +46,8 @@ private static void AnalyzeCompilationUnit(SyntaxNodeAnalysisContext context)
 
         TriviaBlock block = TriviaBlock.FromLeading(node);
 
-        if (block.Kind == TriviaBlockKind.NewLine)
+        if (block.Kind == TriviaBlockKind.NewLine
+            && block.ContainsSingleLineComment)
         {
             DiagnosticHelpers.ReportDiagnostic(
                 context,

diff --git a/src/Tests/Formatting.Analyzers.Tests/RCS0049AddBlankLineAfterTopCommentTests.cs b/src/Tests/Formatting.Analyzers.Tests/RCS0049AddBlankLineAfterTopCommentTests.cs
@@ -100,6 +100,16 @@ await VerifyNoDiagnosticAsync(@"// x
 class C
 {
 }
+");
+    }
+
+    [Fact, Trait(Traits.Analyzer, DiagnosticIdentifiers.AddBlankLineAfterTopComment)]
+    public async Task TestNoDiagnostic_NoComment()
+    {
+        await VerifyNoDiagnosticAsync(@"
+class C
+{
+}
 ");
     }
 }