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42 lines
1.3 KiB
Dart
42 lines
1.3 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_web_test/flutter_web_test.dart';
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import 'package:flutter_web/widgets.dart';
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void main() {
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testWidgets('Scroll flings twice in a row does not crash',
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(WidgetTester tester) async {
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await tester.pumpWidget(
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new Directionality(
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textDirection: TextDirection.ltr,
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child: new ListView(
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children: <Widget>[new Container(height: 100000.0)],
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),
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),
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);
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final ScrollableState scrollable =
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tester.state<ScrollableState>(find.byType(Scrollable));
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expect(scrollable.position.pixels, equals(0.0));
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await tester.flingFrom(
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const Offset(200.0, 300.0), const Offset(0.0, -200.0), 500.0);
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await tester.pump();
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await tester.pump(const Duration(seconds: 5));
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expect(scrollable.position.pixels, greaterThan(0.0));
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final double oldOffset = scrollable.position.pixels;
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await tester.flingFrom(
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const Offset(200.0, 300.0), const Offset(0.0, -200.0), 500.0);
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await tester.pump();
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await tester.pump(const Duration(seconds: 5));
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expect(scrollable.position.pixels, greaterThan(oldOffset));
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});
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}
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