blob: 128b5a561ac16c3980219a4e680e58837ed66b88 [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/foundation.dart';
import 'package:flutter/widgets.dart';
import 'package:flutter_test/flutter_test.dart';
void main() {
testWidgets('reassemble with a className only marks subtrees from the first matching element as dirty', (WidgetTester tester) async {
await tester.pumpWidget(
const Foo(Bar(Fizz(SizedBox())))
);
expect(Foo.count, 0);
expect(Bar.count, 0);
expect(Fizz.count, 0);
DebugReassembleConfig config = DebugReassembleConfig(widgetName: 'Bar');
WidgetsBinding.instance.buildOwner!.reassemble(WidgetsBinding.instance.renderViewElement!, config);
expect(Foo.count, 0);
expect(Bar.count, 1);
expect(Fizz.count, 1);
config = DebugReassembleConfig(widgetName: 'Fizz');
WidgetsBinding.instance.buildOwner!.reassemble(WidgetsBinding.instance.renderViewElement!, config);
expect(Foo.count, 0);
expect(Bar.count, 1);
expect(Fizz.count, 2);
config = DebugReassembleConfig(widgetName: 'NoMatch');
WidgetsBinding.instance.buildOwner!.reassemble(WidgetsBinding.instance.renderViewElement!, config);
expect(Foo.count, 0);
expect(Bar.count, 1);
expect(Fizz.count, 2);
config = DebugReassembleConfig();
WidgetsBinding.instance.buildOwner!.reassemble(WidgetsBinding.instance.renderViewElement!, config);
expect(Foo.count, 1);
expect(Bar.count, 2);
expect(Fizz.count, 3);
WidgetsBinding.instance.buildOwner!.reassemble(WidgetsBinding.instance.renderViewElement!, null);
expect(Foo.count, 2);
expect(Bar.count, 3);
expect(Fizz.count, 4);
});
}
class Foo extends StatefulWidget {
const Foo(this.child, {super.key});
final Widget child;
static int count = 0;
@override
State<Foo> createState() => _FooState();
}
class _FooState extends State<Foo> {
@override
void reassemble() {
Foo.count += 1;
super.reassemble();
}
@override
Widget build(BuildContext context) {
return widget.child;
}
}
class Bar extends StatefulWidget {
const Bar(this.child, {super.key});
final Widget child;
static int count = 0;
@override
State<Bar> createState() => _BarState();
}
class _BarState extends State<Bar> {
@override
void reassemble() {
Bar.count += 1;
super.reassemble();
}
@override
Widget build(BuildContext context) {
return widget.child;
}
}
class Fizz extends StatefulWidget {
const Fizz(this.child, {super.key});
final Widget child;
static int count = 0;
@override
State<Fizz> createState() => _FizzState();
}
class _FizzState extends State<Fizz> {
@override
void reassemble() {
Fizz.count += 1;
super.reassemble();
}
@override
Widget build(BuildContext context) {
return widget.child;
}
}