Add regression test for 2110

CHANGELOG.md

@@ -1,5 +1,10 @@
 # Changelog
 
+## [Unreleased]
+
+### Fixed
+* Overly aggressive de-indentation. [#2110](https://github.com/fsprojects/fantomas/issues/2110)
+
 ## [5.0.5] - 2022-10-07
 
 ### Fixed

src/Fantomas.Core.Tests/QuotationTests.fs

@@ -132,3 +132,47 @@ test
             .Trim([| '\u00FF' |])
     @>
 """
+
+[<Test>]
+let ``overly aggressive de-indentation, 2110`` () =
+    formatSourceString
+        false
+        """
+      let result =
+        Instrument.I.instrumentationVisitor state' visited
+
+      test
+        <@ { result with
+               RecordingMethodRef =
+                 { Visit = null
+                   Push = null
+                   Pop = null } } = { state' with
+                                        ModuleId = def.MainModule.Mvid.ToString()
+                                        RecordingMethod = visit
+                                        RecordingMethodRef =
+                                          { Visit = null
+                                            Push = null
+                                            Pop = null } } @>
+"""
+        { config with IndentSize = 2 }
+    |> prepend newline
+    |> should
+        equal
+        """
+let result = Instrument.I.instrumentationVisitor state' visited
+
+test
+  <@
+    { result with
+        RecordingMethodRef =
+          { Visit = null
+            Push = null
+            Pop = null } } = { state' with
+                                 ModuleId = def.MainModule.Mvid.ToString()
+                                 RecordingMethod = visit
+                                 RecordingMethodRef =
+                                   { Visit = null
+                                     Push = null
+                                     Pop = null } }
+  @>
+"""