// Copyright 2017 The Chromium 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_test/flutter_test.dart'; import 'package:sample_catalog/app_bar_bottom.dart' as app_bar_bottom_sample; final int choiceCount = app_bar_bottom_sample.choices.length; IconData iconAt(int index) => app_bar_bottom_sample.choices[index].icon; Finder findChoiceCard(IconData icon) { return find.descendant(of: find.byType(Card), matching: find.byIcon(icon)); } void main() { testWidgets('app_bar_bottom sample smoke test', (WidgetTester tester) async { app_bar_bottom_sample.main(); await tester.pump(); // Cycle through the choices using the forward and backwards arrows. final Finder nextChoice = find.byTooltip('Next choice'); for (int i = 0; i < choiceCount; i += 1) { expect(findChoiceCard(iconAt(i)), findsOneWidget); await tester.tap(nextChoice); await tester.pumpAndSettle(); } final Finder previousChoice = find.byTooltip('Previous choice'); for (int i = choiceCount - 1; i >= 0; i -= 1) { expect(findChoiceCard(iconAt(i)), findsOneWidget); await tester.tap(previousChoice); await tester.pumpAndSettle(); } }); }