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33 lines
1.3 KiB
Dart
33 lines
1.3 KiB
Dart
// Copyright 2014 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'package:flutter/cupertino.dart';
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import 'package:flutter_api_samples/cupertino/switch/cupertino_switch.0.dart' as example;
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import 'package:flutter_test/flutter_test.dart';
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void main() {
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testWidgets('Toggling cupertino switch updates icon', (WidgetTester tester) async {
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await tester.pumpWidget(
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const example.CupertinoSwitchApp(),
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);
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final Finder switchFinder = find.byType(CupertinoSwitch);
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CupertinoSwitch cupertinoSwitch = tester.widget<CupertinoSwitch>(switchFinder);
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final Finder wifiOnIcon = find.byIcon(CupertinoIcons.wifi);
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final Finder wifiOffIcon = find.byIcon(CupertinoIcons.wifi_slash);
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expect(cupertinoSwitch.value, true);
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// When the switch is on, wifi icon should be visible.
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expect(wifiOnIcon, findsOneWidget);
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expect(wifiOffIcon, findsNothing);
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await tester.tap(switchFinder);
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await tester.pumpAndSettle();
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cupertinoSwitch = tester.widget<CupertinoSwitch>(switchFinder);
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expect(cupertinoSwitch.value, false);
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// When the switch is off, wifi slash icon should be visible.
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expect(wifiOnIcon, findsNothing);
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expect(wifiOffIcon, findsOneWidget);
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});
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}
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