// 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/material/dropdown/dropdown_button.style.0.dart' as example; import 'package:flutter_test/flutter_test.dart'; void main() { testWidgets('Select an item from DropdownButton', (WidgetTester tester) async { await tester.pumpWidget( const MaterialApp( home: Scaffold( body: example.DropdownButtonApp(), ), ), ); expect(find.text('One'), findsOneWidget); expect(find.text('One', skipOffstage: false), findsNWidgets(4)); await tester.tap(find.text('One').first); await tester.pumpAndSettle(); expect(find.text('Two'), findsOneWidget); await tester.tap(find.text('Two')); await tester.pumpAndSettle(); expect(find.text('Two'), findsOneWidget); expect(find.text('Two', skipOffstage: false), findsNWidgets(4)); }); }