From 9a0d6640a0c783b27b08e4610fbe2667787bb22a Mon Sep 17 00:00:00 2001
From: Josef Pihrt <josef.pihrt@outlook.com>
Date: Sat, 13 Nov 2021 12:08:50 +0100
Subject: [PATCH] Fix indentation analysis (fix #859) (RCS0054)

---
 src/CSharp/CSharp/SyntaxTriviaAnalysis.cs      |  8 +++++---
 .../RCS0054FixFormattingOfCallChainTests.cs    | 18 ++++++++++++++++++
 2 files changed, 23 insertions(+), 3 deletions(-)

diff --git a/src/CSharp/CSharp/SyntaxTriviaAnalysis.cs b/src/CSharp/CSharp/SyntaxTriviaAnalysis.cs
index f991f94eee..941ac97013 100644
--- a/src/CSharp/CSharp/SyntaxTriviaAnalysis.cs
+++ b/src/CSharp/CSharp/SyntaxTriviaAnalysis.cs
@@ -407,6 +407,10 @@ public static int DetermineIndentationSize(SyntaxNode node, CancellationToken ca
                                         if (size > 0)
                                             return size;
 
+                                        break;
+                                    }
+                                case GlobalStatementSyntax:
+                                    {
                                         break;
                                     }
                                 default:
@@ -431,9 +435,7 @@ public static int DetermineIndentationSize(SyntaxNode node, CancellationToken ca
 
             int DetermineIndentationSize(CompilationUnitSyntax compilationUnit)
             {
-                MemberDeclarationSyntax member = compilationUnit.Members.FirstOrDefault();
-
-                if (member != null)
+                foreach (MemberDeclarationSyntax member in compilationUnit.Members)
                 {
                     if (member is NamespaceDeclarationSyntax namespaceDeclaration)
                     {
diff --git a/src/Tests/Formatting.Analyzers.Tests/RCS0054FixFormattingOfCallChainTests.cs b/src/Tests/Formatting.Analyzers.Tests/RCS0054FixFormattingOfCallChainTests.cs
index 80a6691d87..f5c98881ce 100644
--- a/src/Tests/Formatting.Analyzers.Tests/RCS0054FixFormattingOfCallChainTests.cs
+++ b/src/Tests/Formatting.Analyzers.Tests/RCS0054FixFormattingOfCallChainTests.cs
@@ -228,6 +228,24 @@ C M(string s)
 ");
         }
 
+        [Fact, Trait(Traits.Analyzer, DiagnosticIdentifiers.FixFormattingOfCallChain)]
+        public async Task Test_TopLevelStatement()
+        {
+            await VerifyNoDiagnosticAsync(@"
+using System;
+
+Console
+    .WriteLine();
+
+class Program
+{
+    void Main(string[] args)
+    {
+    }
+}
+", options: Options.WithCompilationOptions(Options.CompilationOptions.WithOutputKind(OutputKind.ConsoleApplication)));
+        }
+
         [Fact, Trait(Traits.Analyzer, DiagnosticIdentifiers.FixFormattingOfCallChain)]
         public async Task TestNoDiagnostic()
         {