// 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_test/flutter_test.dart'; import 'package:flutter/rendering.dart'; import 'package:flutter/widgets.dart'; void main() { testWidgets('Sliver in a box', (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', (WidgetTester tester) async { await tester.pumpWidget( Viewport( crossAxisDirection: AxisDirection.right, offset: ViewportOffset.zero(), slivers: const <Widget>[ SizedBox(), ], ), ); expect(tester.takeException(), isFlutterError); await tester.pumpWidget( Viewport( crossAxisDirection: AxisDirection.right, offset: ViewportOffset.zero(), slivers: const <Widget>[ SliverPadding( padding: EdgeInsets.zero, sliver: SizedBox(), ), ], ), ); expect(tester.takeException(), isFlutterError); }); }