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