blob: 643ceb4b94861ad844b0171d32fee5ca7d194e82 [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';
List<String> ancestors = <String>[];
class TestWidget extends StatefulWidget {
const TestWidget({ Key? key }) : super(key: key);
@override
TestWidgetState createState() => TestWidgetState();
}
class TestWidgetState extends State<TestWidget> {
@override
void initState() {
super.initState();
context.visitAncestorElements((Element element) {
ancestors.add(element.widget.runtimeType.toString());
return true;
});
}
@override
Widget build(BuildContext context) => Container();
}
void main() {
testWidgets('initState() is called when we are in the tree', (WidgetTester tester) async {
await tester.pumpWidget(const Parent(child: TestWidget()));
expect(ancestors, equals(<String>['Parent', 'RenderObjectToWidgetAdapter<RenderBox>']));
});
}
class Parent extends StatelessWidget {
const Parent({ Key? key, required this.child }) : super(key: key);
final Widget child;
@override
Widget build(BuildContext context) => child;
}