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Add test for animated list example (#156452)

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Contributes to https://github.com/flutter/flutter/issues/130459

It adds a test for
- `examples/api/lib/widgets/animated_list/animated_list.0.dart`
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Valentin Vignal 2024-10-10 23:48:17 +08:00 committed by GitHub
parent c78c166e3e
commit 96c761c1a6
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2 changed files with 45 additions and 1 deletions
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1
dev/bots/check_code_samples.dart
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@ -334,7 +334,6 @@ final Set<String> _knownMissingTests = <String>{
'examples/api/test/widgets/nested_scroll_view/nested_scroll_view_state.0_test.dart',
'examples/api/test/widgets/scroll_position/scroll_metrics_notification.0_test.dart',
'examples/api/test/widgets/media_query/media_query_data.system_gesture_insets.0_test.dart',
'examples/api/test/widgets/animated_list/animated_list.0_test.dart',
'examples/api/test/widgets/image/image.frame_builder.0_test.dart',
'examples/api/test/widgets/image/image.loading_builder.0_test.dart',
'examples/api/test/widgets/page_storage/page_storage.0_test.dart',

45
examples/api/test/widgets/animated_list/animated_list.0_test.dart Normal file
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@ -0,0 +1,45 @@
// 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/animated_list.0.dart' as example;
import 'package:flutter_test/flutter_test.dart';
void main() {
testWidgets(
'Items can be selected, added, and removed from AnimatedList',
(WidgetTester tester) async {
await tester.pumpWidget(const example.AnimatedListSample());
expect(find.text('Item 0'), findsOne);
expect(find.text('Item 1'), findsOne);
expect(find.text('Item 2'), findsOne);
// 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'), findsOne);
// 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'), findsOne);
// Remove selected item.
await tester.tap(find.byIcon(Icons.remove_circle));
// Item animation is not completed.
await tester.pump();
expect(find.text('Item 1'), findsOne);
// When the animation completes, Item 1 disappears.
await tester.pumpAndSettle();
expect(find.text('Item 1'), findsNothing);
},
);
}