Multi-line enumeration formatting starts on a new line

fluentassertions · Apr 23, 2023 · 5b3368a · 5b3368a
1 parent 34b10f2
commit 5b3368a
Showing 1 changed file with 17 additions and 3 deletions.
diff --git a/Src/FluentAssertions/Formatting/FormattedObjectGraph.cs b/Src/FluentAssertions/Formatting/FormattedObjectGraph.cs
@@ -81,7 +81,15 @@ internal void EnsureInitialNewLine()
     {
         if (LineCount == 0 && lineBuilder.Length == 0)
         {
-            AddLine(string.Empty);
+            InsertInitialNewLine();
+        }
+    }
+
+    private void InsertInitialNewLine()
+    {
+        if (lines.Count == 0 || !string.IsNullOrEmpty(lines[0]))
+        {
+            lines.Insert(0, string.Empty);
         }
     }
 
@@ -156,7 +164,7 @@ internal record PossibleMultilineFragment
     {
         private readonly FormattedObjectGraph parentGraph;
         private readonly int startingLineBuilderIndex;
-        private readonly int startingLineCount;
+        private int startingLineCount;
 
         public PossibleMultilineFragment(FormattedObjectGraph parentGraph)
         {
@@ -181,7 +189,13 @@ internal void AddStartingLineOrFragment(string fragment)
             }
             else
             {
-                parentGraph.lines.Insert(startingLineCount, Environment.NewLine + fragment);
+                if (startingLineCount == 0)
+                {
+                    ++startingLineCount;
+                    parentGraph.InsertInitialNewLine();
+                }
+
+                parentGraph.lines.Insert(startingLineCount, fragment);
                 InsertAtStartOfLine(startingLineCount + 1, MakeWhitespace(1));
             }
         }