From be2f3bd4438c1e51ecdaeb8ca43a56c04edfa9b0 Mon Sep 17 00:00:00 2001
From: Ahmed Mohamed Sameh <ahmedsameha1@gmail.com>
Date: Wed, 21 Jan 2026 20:12:56 +0200
Subject: [PATCH] Make sure that a Focus doesn't crash in 0x0 environment
 (#180674)

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

Co-authored-by: Victor Sanni <victorsanniay@gmail.com>
---
 .../test/widgets/focus_scope_test.dart        | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/packages/flutter/test/widgets/focus_scope_test.dart b/packages/flutter/test/widgets/focus_scope_test.dart
index 428b9d321e1..68b8462de47 100644
--- a/packages/flutter/test/widgets/focus_scope_test.dart
+++ b/packages/flutter/test/widgets/focus_scope_test.dart
@@ -1882,6 +1882,25 @@ void main() {
       expect(focusNode.hasFocus, isTrue);
       semantics.dispose();
     });
+
+    testWidgets('Focus does not crash at zero area', (WidgetTester tester) async {
+      tester.view.physicalSize = Size.zero;
+      final focusNode = FocusNode();
+      addTearDown(tester.view.reset);
+      addTearDown(focusNode.dispose);
+      const key = Key('focus');
+      await tester.pumpWidget(
+        Directionality(
+          textDirection: TextDirection.ltr,
+          child: Center(
+            child: Focus(key: key, focusNode: focusNode, child: const Text('X')),
+          ),
+        ),
+      );
+      expect(tester.getSize(find.byKey(key)), Size.zero);
+      focusNode.requestFocus();
+      await tester.pump();
+    });
   });
 
   group('ExcludeFocus', () {