// 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/widgets.dart'; import 'package:flutter_api_samples/widgets/interactive_viewer/interactive_viewer.builder.0.dart' as example; import 'package:flutter_test/flutter_test.dart'; void main() { testWidgets('has correct items on screen', (WidgetTester tester) async { await tester.pumpWidget( const example.IVBuilderExampleApp(), ); final Finder positionedFinder = find.byType(Positioned); final Finder zeroFinder = find.text('0 x 0'); final Finder nineFinder = find.text('0 x 9'); expect(positionedFinder, findsNWidgets(35)); expect(zeroFinder, findsOneWidget); expect(nineFinder, findsNothing); const Offset firstLocation = Offset(750.0, 100.0); final TestGesture gesture = await tester.startGesture(firstLocation); const Offset secondLocation = Offset(50.0, 100.0); await gesture.moveTo(secondLocation); await tester.pump(); expect(positionedFinder, findsNWidgets(42)); expect(nineFinder, findsOneWidget); expect(zeroFinder, findsNothing); }); }