| // Copyright 2014 The Flutter 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/gestures.dart'; |
| import 'package:flutter/material.dart'; |
| import 'package:flutter_api_samples/material/reorderable_list/reorderable_list_view.0.dart' as example; |
| import 'package:flutter_test/flutter_test.dart'; |
| |
| void main() { |
| testWidgets('Content is reordered after a drag', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| const example.ReorderableApp(), |
| ); |
| |
| bool item1IsBeforeItem2() { |
| final Iterable<Text> texts = tester.widgetList<Text>(find.byType(Text)); |
| final List<String?> labels = texts.map((final Text text) => text.data).toList(); |
| return labels.indexOf('Item 1') < labels.indexOf('Item 2'); |
| } |
| |
| expect(item1IsBeforeItem2(), true); |
| |
| // Drag 'Item 1' after 'Item 4'. |
| final TestGesture drag = await tester.startGesture(tester.getCenter(find.text('Item 1'))); |
| await tester.pump(kLongPressTimeout + kPressTimeout); |
| await tester.pumpAndSettle(); |
| await drag.moveTo(tester.getCenter(find.text('Item 4'))); |
| await drag.up(); |
| await tester.pumpAndSettle(); |
| |
| expect(item1IsBeforeItem2(), false); |
| }); |
| } |