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