Make sure that a CupertinoApp doesn't crash in 0x0 environment (#178610)

ahmedsameha1 · victorsanni · dkwingsmt · web-flow · commit 393c51fb4646 · 2025-12-05T23:45:03.000Z
This is my attempt to handle flutter/flutter#6537 for the CupertinoApp widget. Co-authored-by: Victor Sanni <victorsanniay@gmail.com> Co-authored-by: Tong Mu <dkwingsmt@users.noreply.github.com>
diff --git a/packages/flutter/test/cupertino/app_test.dart b/packages/flutter/test/cupertino/app_test.dart
@@ -704,6 +704,15 @@ void main() {
     },
     variant: TargetPlatformVariant.all(),
   );
+
+  testWidgets('CupertinoApp does not crash at zero area', (WidgetTester tester) async {
+    await tester.pumpWidget(
+      const Center(
+        child: SizedBox.shrink(child: CupertinoApp(home: Text('X'))),
+      ),
+    );
+    expect(tester.getSize(find.byType(CupertinoApp)), Size.zero);
+  });
 }
 
 class MockScrollBehavior extends ScrollBehavior {
