From 07e1cdd9ff518e81f048d7d0db266b36c2ef4e18 Mon Sep 17 00:00:00 2001
From: Ahmed Mohamed Sameh <ahmedsameha1@gmail.com>
Date: Mon, 8 Dec 2025 20:16:21 +0200
Subject: [PATCH] Make sure that a CupertinoFocusHalo doesn't crash in 0x0
 environment (#178773)

This is my attempt to handle
https://github.com/flutter/flutter/issues/6537 for the
CupertinoFocusHalo widget.

---------

Co-authored-by: Tong Mu <dkwingsmt@users.noreply.github.com>
Co-authored-by: Victor Sanni <victorsanniay@gmail.com>
---
 .../cupertino/cupertino_focus_halo_test.dart  | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/packages/flutter/test/cupertino/cupertino_focus_halo_test.dart b/packages/flutter/test/cupertino/cupertino_focus_halo_test.dart
index e85e1a48939..2c8c9c03b9a 100644
--- a/packages/flutter/test/cupertino/cupertino_focus_halo_test.dart
+++ b/packages/flutter/test/cupertino/cupertino_focus_halo_test.dart
@@ -172,4 +172,23 @@ void main() {
       expect(findBorder(group2Key, tester), getExpectedHaloBorder());
     },
   );
+
+  testWidgets('CupertinoFocusHalo does not crash at zero area', (WidgetTester tester) async {
+    final focusNode = FocusNode();
+    addTearDown(focusNode.dispose);
+    await tester.pumpWidget(
+      CupertinoApp(
+        home: Center(
+          child: SizedBox.shrink(
+            child: CupertinoFocusHalo.withRect(
+              child: Focus(focusNode: focusNode, child: const Text('X')),
+            ),
+          ),
+        ),
+      ),
+    );
+    focusNode.requestFocus();
+    await tester.pumpAndSettle();
+    expect(tester.getSize(find.byType(CupertinoFocusHalo)), Size.zero);
+  });
 }