flutter/packages/flutter/test/cupertino/activity_indicator_test.dart
Alexandre Ardhuin 83fce211a3 More const immutable classes (#9544)
* more widget const constructors

* prefer const constructors

* address review comments
2017-04-23 22:37:29 +02:00

27 lines
1.1 KiB
Dart

// Copyright 2017 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:flutter/cupertino.dart';
import 'package:flutter/scheduler.dart';
import 'package:flutter/widgets.dart';
import 'package:flutter_test/flutter_test.dart';
void main() {
testWidgets('Activity indicator animate property works', (WidgetTester tester) async {
await tester.pumpWidget(const Center(child: const CupertinoActivityIndicator()));
expect(SchedulerBinding.instance.transientCallbackCount, equals(1));
await tester.pumpWidget(const Center(child: const CupertinoActivityIndicator(animating: false)));
expect(SchedulerBinding.instance.transientCallbackCount, equals(0));
await tester.pumpWidget(new Container());
await tester.pumpWidget(const Center(child: const CupertinoActivityIndicator(animating: false)));
expect(SchedulerBinding.instance.transientCallbackCount, equals(0));
await tester.pumpWidget(const Center(child: const CupertinoActivityIndicator()));
expect(SchedulerBinding.instance.transientCallbackCount, equals(1));
});
}