blob: 8951fb3e2dc2ff75fda77f662f4108276532d091 [file] [log] [blame]
// 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/material.dart';
import 'package:flutter_api_samples/widgets/animated_list/sliver_animated_list.0.dart' as example;
import 'package:flutter_test/flutter_test.dart';
void main() {
testWidgets(
'Items can be selected, added, and removed from SliverAnimatedList',
(WidgetTester tester) async {
await tester.pumpWidget(const example.SliverAnimatedListSample());
expect(find.text('Item 0'), findsOneWidget);
expect(find.text('Item 1'), findsOneWidget);
expect(find.text('Item 2'), findsOneWidget);
// Add an item at the end of the list
await tester.tap(find.byIcon(Icons.add_circle));
await tester.pumpAndSettle();
expect(find.text('Item 3'), findsOneWidget);
// Select Item 1.
await tester.tap(find.text('Item 1'));
await tester.pumpAndSettle();
// Add item at the top of the list
await tester.tap(find.byIcon(Icons.add_circle));
await tester.pumpAndSettle();
expect(find.text('Item 4'), findsOneWidget);
// Remove selected item.
await tester.tap(find.byIcon(Icons.remove_circle));
// Item animation is not completed.
await tester.pump();
expect(find.text('Item 1'), findsOneWidget);
// When the animation completes, Item 1 disappears.
await tester.pumpAndSettle();
expect(find.text('Item 1'), findsNothing);
},
);
}