From 1d50e091c701435d256530ba6d0613ad7214df73 Mon Sep 17 00:00:00 2001
From: nikneym <halildrk@gmail.com>
Date: Mon, 29 Sep 2025 14:45:47 +0300
Subject: [PATCH] add `window.onload` test

---
 src/tests/window/window.html | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/src/tests/window/window.html b/src/tests/window/window.html
index 3d67e9be..f97c2f23 100644
--- a/src/tests/window/window.html
+++ b/src/tests/window/window.html
@@ -104,3 +104,16 @@
   });
   testing.eventually(() => testing.expectEqual(true, dcl));
 </script>
+
+<script id=window.onload>
+  let isWindowTarget = false;
+
+  const callback = (e) => isWindowTarget = e.target === window;
+  // Callback is not set yet.
+  testing.expectEqual(null, window.onload);
+  // Callback is set.
+  window.onload = callback;
+  testing.expectEqual(callback, window.onload);
+
+  testing.eventually(() => testing.expectEqual(true, isWindowTarget));
+</script>