scrollable_dispose_test.dart 891 Bytes
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// Copyright 2016 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_test/flutter_test.dart';
import 'package:flutter/widgets.dart';

import 'test_widgets.dart';

void main() {
  testWidgets('simultaneously dispose a widget and end the scroll animation', (WidgetTester tester) async {
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    final List<Widget> textWidgets = <Widget>[];
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    for (int i = 0; i < 250; i++)
      textWidgets.add(new Text('$i'));
    await tester.pumpWidget(new FlipWidget(
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      left: new ListView(children: textWidgets),
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      right: new Container()
    ));

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    await tester.fling(find.byType(ListView), const Offset(0.0, -200.0), 1000.0);
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    await tester.pump();

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    tester.state<FlipWidgetState>(find.byType(FlipWidget)).flip();
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    await tester.pump(const Duration(hours: 5));
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  });
}