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// Copyright 2015 The Chromium 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:sky/src/widgets/basic.dart';
import 'package:sky/src/widgets/framework.dart';
import 'package:test/test.dart';
import 'widget_tester.dart';
Changer changer;
class Changer extends StatefulComponent {
Changer(this.child);
Widget child;
void syncConstructorArguments(Changer source) {
child = source.child;
}
bool _state = false;
void initState() { changer = this; }
void test() { setState(() { _state = true; }); }
Widget build() => _state ? new Wrapper(child) : child;
}
class Wrapper extends Component {
Wrapper(this.child);
final Widget child;
Widget build() => child;
}
class Leaf extends StatefulComponent {
void syncConstructorArguments(Leaf source) { }
Widget build() => new Text("leaf");
}
void main() {
test('three-way setState() smoke test', () {
WidgetTester tester = new WidgetTester();
tester.pumpFrame(() => new Changer(new Wrapper(new Leaf())));
tester.pumpFrame(() => new Changer(new Wrapper(new Leaf())));
changer.test();
tester.pumpFrameWithoutChange();
});
}