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30 lines
903 B
Dart
30 lines
903 B
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/slider/slider.1.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('Slider can change its value', (WidgetTester tester) async {
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await tester.pumpWidget(
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const example.SliderApp(),
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);
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expect(find.byType(Slider), findsOneWidget);
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final Finder sliderFinder = find.byType(Slider);
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Slider slider = tester.widget(sliderFinder);
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expect(slider.value, 20);
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final Offset center = tester.getCenter(sliderFinder);
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await tester.tapAt(Offset(center.dx + 100, center.dy));
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await tester.pump();
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slider = tester.widget(sliderFinder);
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expect(slider.value, 60.0);
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});
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}
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