From 96280a7706dc21cf476edde040f9938f1b20edaf Mon Sep 17 00:00:00 2001
From: muhammed-abdulkadir <muhammed.abdulkadir@docusign.com>
Date: Tue, 26 May 2026 15:14:35 +0100
Subject: [PATCH] fix(csharp): emit required for non-optional arrays of scalar
 and enum types

Signed-off-by: muhammed-abdulkadir <muhammed.abdulkadir@docusign.com>
---
 lib/codegen/fromcto/csharp/csharpvisitor.js  | 3 ++-
 test/codegen/fromcto/csharp/csharpvisitor.js | 4 ++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/lib/codegen/fromcto/csharp/csharpvisitor.js b/lib/codegen/fromcto/csharp/csharpvisitor.js
index 3e2c857a..2180705f 100644
--- a/lib/codegen/fromcto/csharp/csharpvisitor.js
+++ b/lib/codegen/fromcto/csharp/csharpvisitor.js
@@ -637,11 +637,12 @@ class CSharpVisitor {
         if (!parameters.useRequiredForNonOptionalReferenceTypes) {return false;}
         if (options.nullableType) {return false;}
         if (options.hasDefault) {return false;}
+        if (options.isArray) {return true;}
         // Scalar aliases are generated as record structs (value types), not reference types.
         if (options.isScalarAlias) {return false;}
         if (options.isEnum) {return false;}
         if (!options.csharpType) {return false;}
-        return this.isCSharpReferenceType(options.csharpType, !!options.isArray);
+        return this.isCSharpReferenceType(options.csharpType, false);
     }
 
     /**
diff --git a/test/codegen/fromcto/csharp/csharpvisitor.js b/test/codegen/fromcto/csharp/csharpvisitor.js
index 8575918c..2a14af25 100644
--- a/test/codegen/fromcto/csharp/csharpvisitor.js
+++ b/test/codegen/fromcto/csharp/csharpvisitor.js
@@ -922,8 +922,10 @@ public class SampleModel : Concept {
                 o Integer count
                 o String nick optional
                 o SSN ssn
+                o SSN[] ssns
                 o Status status default="ACTIVE"
                 o Status state
+                o Status[] states
                 o Child child
                 o Child[] children
             }
@@ -935,8 +937,10 @@ public class SampleModel : Concept {
             file1.should.match(/public int count \{ get; set; \}/);
             file1.should.match(/public string\? nick \{ get; set; \}/);
             file1.should.match(/public SSN ssn \{ get; set; \}/);
+            file1.should.match(/public required SSN\[\] ssns \{ get; set; \}/);
             file1.should.match(/public Status status \{ get; set; \} = Status.Active;/);
             file1.should.match(/public Status state \{ get; set; \}/);
+            file1.should.match(/public required Status\[\] states \{ get; set; \}/);
             file1.should.match(/public required Child child \{ get; set; \}/);
             file1.should.match(/public required Child\[\] children \{ get; set; \}/);
             file1.should.not.match(/public required SSN ssn \{ get; set; \}/);