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33 lines
1.1 KiB
Dart
33 lines
1.1 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/material.dart';
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import 'package:flutter_api_samples/material/switch/switch.2.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('Switch thumb icon supports material states', (WidgetTester tester) async {
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const Set<MaterialState> selected = <MaterialState>{ MaterialState.selected };
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const Set<MaterialState> unselected = <MaterialState>{};
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await tester.pumpWidget(
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const example.SwitchApp(),
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);
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Switch materialSwitch = tester.widget<Switch>(find.byType(Switch).first);
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expect(materialSwitch.thumbIcon, null);
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materialSwitch = tester.widget<Switch>(find.byType(Switch).last);
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expect(materialSwitch.thumbIcon, isNotNull);
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expect(
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materialSwitch.thumbIcon!.resolve(selected)!.icon,
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Icons.check,
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);
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expect(
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materialSwitch.thumbIcon!.resolve(unselected)!.icon,
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Icons.close,
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);
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});
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}
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