| // 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/rendering.dart'; |
| import 'package:flutter/widgets.dart'; |
| import 'package:flutter_test/flutter_test.dart'; |
| import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart'; |
| |
| void main() { |
| testWidgets('Sliver in a box', |
| experimentalLeakTesting: LeakTesting.settings.withIgnoredAll(), // leaking by design because of exception |
| (WidgetTester tester) async { |
| await tester.pumpWidget( |
| DecoratedBox( |
| decoration: const BoxDecoration(), |
| child: SliverList( |
| delegate: SliverChildListDelegate(const <Widget>[]), |
| ), |
| ), |
| ); |
| |
| expect(tester.takeException(), isFlutterError); |
| |
| await tester.pumpWidget( |
| Row( |
| children: <Widget>[ |
| SliverList( |
| delegate: SliverChildListDelegate(const <Widget>[]), |
| ), |
| ], |
| ), |
| ); |
| |
| expect(tester.takeException(), isFlutterError); |
| }); |
| |
| testWidgets('Box in a sliver', |
| experimentalLeakTesting: LeakTesting.settings.withIgnoredAll(), // leaking by design because of exception |
| (WidgetTester tester) async { |
| late ViewportOffset offset1; |
| addTearDown(() => offset1.dispose()); |
| await tester.pumpWidget( |
| Viewport( |
| crossAxisDirection: AxisDirection.right, |
| offset: offset1 = ViewportOffset.zero(), |
| slivers: const <Widget>[ |
| SizedBox(), |
| ], |
| ), |
| ); |
| |
| expect(tester.takeException(), isFlutterError); |
| |
| late ViewportOffset offset2; |
| addTearDown(() => offset2.dispose()); |
| await tester.pumpWidget( |
| Viewport( |
| crossAxisDirection: AxisDirection.right, |
| offset: offset2 = ViewportOffset.zero(), |
| slivers: const <Widget>[ |
| SliverPadding( |
| padding: EdgeInsets.zero, |
| sliver: SizedBox(), |
| ), |
| ], |
| ), |
| ); |
| |
| expect(tester.takeException(), isFlutterError); |
| }); |
| } |