From f63a17b701d229bc4644a70ceb50dd044aa67fe4 Mon Sep 17 00:00:00 2001
From: Biki das <bikid475@gmail.com>
Date: Fri, 31 Oct 2025 23:41:40 +0530
Subject: [PATCH] test: add coverage for zero-length style values

Ensures that empty string style values (e.g., { color: '' }) are skipped
during serialization, matching browser behavior and preventing hydration
mismatches.
---
 .../__tests__/ReactDOMServerIntegrationAttributes-test.js   | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/packages/react-dom/src/__tests__/ReactDOMServerIntegrationAttributes-test.js b/packages/react-dom/src/__tests__/ReactDOMServerIntegrationAttributes-test.js
index be5ff44b8cd12..ef97cac216bd6 100644
--- a/packages/react-dom/src/__tests__/ReactDOMServerIntegrationAttributes-test.js
+++ b/packages/react-dom/src/__tests__/ReactDOMServerIntegrationAttributes-test.js
@@ -454,6 +454,12 @@ describe('ReactDOMServerIntegration', () => {
         expect(e.style.width).toBe('30px');
       });
 
+      itRenders('no zero-length styles', async render => {
+        const e = await render(<div style={{color: '', width: '30px'}} />);
+        expect(e.style.color).toBe('');
+        expect(e.style.width).toBe('30px');
+      });
+
       itRenders('no empty styles', async render => {
         const e = await render(<div style={{color: null, width: null}} />);
         expect(e.style.color).toBe('');