1ff7109b02
This required refactoring some cases where we weren't following the rules for the protected annotation.
87 lines
2.5 KiB
Dart
87 lines
2.5 KiB
Dart
// Copyright 2015 The Chromium 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_test/flutter_test.dart';
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import 'package:flutter/widgets.dart';
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class InnerWidget extends StatefulWidget {
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InnerWidget({ Key key }) : super(key: key);
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@override
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InnerWidgetState createState() => new InnerWidgetState();
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}
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class InnerWidgetState extends State<InnerWidget> {
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bool _didInitState = false;
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@override
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void initState() {
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super.initState();
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_didInitState = true;
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}
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@override
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Widget build(BuildContext context) {
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return new Container();
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}
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}
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class OuterContainer extends StatefulWidget {
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OuterContainer({ Key key, this.child }) : super(key: key);
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final InnerWidget child;
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@override
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OuterContainerState createState() => new OuterContainerState();
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}
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class OuterContainerState extends State<OuterContainer> {
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@override
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Widget build(BuildContext context) {
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return config.child;
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}
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}
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void main() {
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testWidgets('resync stateful widget', (WidgetTester tester) async {
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Key innerKey = new Key('inner');
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Key outerKey = new Key('outer');
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InnerWidget inner1 = new InnerWidget(key: innerKey);
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InnerWidget inner2;
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OuterContainer outer1 = new OuterContainer(key: outerKey, child: inner1);
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OuterContainer outer2;
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await tester.pumpWidget(outer1);
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StatefulElement innerElement = tester.element(find.byKey(innerKey));
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InnerWidgetState innerElementState = innerElement.state;
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expect(innerElementState.config, equals(inner1));
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expect(innerElementState._didInitState, isTrue);
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expect(innerElement.renderObject.attached, isTrue);
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inner2 = new InnerWidget(key: innerKey);
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outer2 = new OuterContainer(key: outerKey, child: inner2);
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await tester.pumpWidget(outer2);
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expect(tester.element(find.byKey(innerKey)), equals(innerElement));
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expect(innerElement.state, equals(innerElementState));
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expect(innerElementState.config, equals(inner2));
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expect(innerElementState._didInitState, isTrue);
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expect(innerElement.renderObject.attached, isTrue);
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StatefulElement outerElement = tester.element(find.byKey(outerKey));
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expect(outerElement.state.config, equals(outer2));
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outerElement.markNeedsBuild();
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await tester.pump();
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expect(tester.element(find.byKey(innerKey)), equals(innerElement));
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expect(innerElement.state, equals(innerElementState));
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expect(innerElementState.config, equals(inner2));
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expect(innerElement.renderObject.attached, isTrue);
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});
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}
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