Fix formatting of attributes at end of file

Fixes #59637
dotnet · Feb 23, 2022 · ab5e014 · ab5e014
1 parent 6a2daff
commit ab5e014
Show file tree

Hide file tree

Showing 2 changed files with 24 additions and 0 deletions.
diff --git a/src/EditorFeatures/CSharpTest/Formatting/FormattingEngineTests.cs b/src/EditorFeatures/CSharpTest/Formatting/FormattingEngineTests.cs
@@ -4,6 +4,7 @@
 
 #nullable disable
 
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Threading;
@@ -1633,6 +1634,23 @@ protected void Render()
             await AssertFormatAsync(expected, code, spans: null);
         }
 
+        [WpfTheory]
+        [CombinatorialData]
+        [WorkItem(59637, "https://github.com/dotnet/roslyn/issues/59637")]
+        public async Task FormatAttributeAtEndOfFile(bool trailingNewLine)
+        {
+            var endOfFile = trailingNewLine ? Environment.NewLine : "";
+            var code = $@"using System.Diagnostics.CodeAnalysis;
+
+[assembly:SuppressMessage(""Globalization"", ""CA1308: Normalize strings to uppercase"", Justification = ""My reason"", Scope = ""member"", Target = ""~M:Method"") ] {endOfFile}";
+            var expected = $@"using System.Diagnostics.CodeAnalysis;
+
+[assembly: SuppressMessage(""Globalization"", ""CA1308: Normalize strings to uppercase"", Justification = ""My reason"", Scope = ""member"", Target = ""~M:Method"")]{endOfFile}";
+
+            await AssertFormatAsync(expected, code, spans: null);
+            await AssertFormatAsync(expected, expected, spans: null);
+        }
+
         [WorkItem(30787, "https://github.com/dotnet/roslyn/issues/30787")]
         [WpfFact]
         public void DoSmartIndentOpenBraceEvenWithFormatWhileTypingOff1()

diff --git a/...es/SharedUtilitiesAndExtensions/Compiler/CSharp/Formatting/Rules/SpacingFormattingRule.cs b/...es/SharedUtilitiesAndExtensions/Compiler/CSharp/Formatting/Rules/SpacingFormattingRule.cs
@@ -248,6 +248,12 @@ public override AbstractFormattingRule WithOptions(SyntaxFormattingOptions optio
                     return CreateAdjustSpacesOperation(0, AdjustSpacesOption.ForceSpacesIfOnSingleLine);
                 }
 
+                // [Attribute1]$${EOF}
+                if (currentToken.IsKind(SyntaxKind.EndOfFileToken))
+                {
+                    return CreateAdjustSpacesOperation(0, AdjustSpacesOption.ForceSpacesIfOnSingleLine);
+                }
+
                 // [Attribute]$$ int Prop { ... }
                 return CreateAdjustSpacesOperation(1, AdjustSpacesOption.ForceSpacesIfOnSingleLine);
             }