From eed73a787a1182f8e8654140cd9a9fcf9cf1f8f1 Mon Sep 17 00:00:00 2001
From: Rick Hanlon <rickhanlonii@fb.com>
Date: Wed, 3 Apr 2024 16:53:56 -0500
Subject: [PATCH] [tests] Assert scheduler log empty in internalAct

---
 packages/internal-test-utils/internalAct.js | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/packages/internal-test-utils/internalAct.js b/packages/internal-test-utils/internalAct.js
index 7b22c44697e36..6439e8aabee00 100644
--- a/packages/internal-test-utils/internalAct.js
+++ b/packages/internal-test-utils/internalAct.js
@@ -45,6 +45,15 @@ export async function act<T>(scope: () => Thenable<T>): Thenable<T> {
     );
   }
 
+  const actualYields = Scheduler.unstable_clearLog();
+  if (actualYields.length !== 0) {
+    const error = Error(
+      'Log of yielded values is not empty. ' + 'Call assertLog first.',
+    );
+    Error.captureStackTrace(error, act);
+    throw error;
+  }
+
   // $FlowFixMe[cannot-resolve-name]: Flow doesn't know about global Jest object
   if (!jest.isMockFunction(setTimeout)) {
     throw Error(