// 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_api_samples/material/expansion_tile/expansion_tile.1.dart' as example; import 'package:flutter_test/flutter_test.dart'; void main() { testWidgets('Test the basics of ExpansionTileControllerApp', (WidgetTester tester) async { await tester.pumpWidget( const example.ExpansionTileControllerApp(), ); expect(find.text('ExpansionTile Contents'), findsNothing); expect(find.text('Collapse This Tile'), findsNothing); await tester.tap(find.text('Expand/Collapse the Tile Above')); await tester.pumpAndSettle(); expect(find.text('ExpansionTile Contents'), findsOneWidget); await tester.tap(find.text('Expand/Collapse the Tile Above')); await tester.pumpAndSettle(); expect(find.text('ExpansionTile Contents'), findsNothing); await tester.tap(find.text('ExpansionTile with implicit controller.')); await tester.pumpAndSettle(); expect(find.text('Collapse This Tile'), findsOneWidget); await tester.tap(find.text('Collapse This Tile')); await tester.pumpAndSettle(); expect(find.text('Collapse This Tile'), findsNothing); }); }