blob: 01e580412326e25f266b4080b374976604c7b825 [file] [log] [blame]
// Copyright 2014 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import 'package:flutter/widgets.dart';
import 'package:flutter_test/flutter_test.dart';
class Inside extends StatefulWidget {
const Inside({ Key? key }) : super(key: key);
@override
InsideState createState() => InsideState();
}
class InsideState extends State<Inside> {
@override
Widget build(BuildContext context) {
return Listener(
onPointerDown: _handlePointerDown,
child: const Text('INSIDE', textDirection: TextDirection.ltr),
);
}
void _handlePointerDown(PointerDownEvent event) {
setState(() { });
}
}
class Middle extends StatefulWidget {
const Middle({
Key? key,
this.child,
}) : super(key: key);
final Inside? child;
@override
MiddleState createState() => MiddleState();
}
class MiddleState extends State<Middle> {
@override
Widget build(BuildContext context) {
return Listener(
onPointerDown: _handlePointerDown,
child: widget.child,
);
}
void _handlePointerDown(PointerDownEvent event) {
setState(() { });
}
}
class Outside extends StatefulWidget {
const Outside({ Key? key }) : super(key: key);
@override
OutsideState createState() => OutsideState();
}
class OutsideState extends State<Outside> {
@override
Widget build(BuildContext context) {
return const Middle(child: Inside());
}
}
void main() {
testWidgets('setState() smoke test', (WidgetTester tester) async {
await tester.pumpWidget(const Outside());
final Offset location = tester.getCenter(find.text('INSIDE'));
final TestGesture gesture = await tester.startGesture(location);
await tester.pump();
await gesture.up();
await tester.pump();
});
}