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Contributes to https://github.com/flutter/flutter/issues/130459 It adds a test for - `examples/api/lib/material/range_slider/range_slider.0.dart`
77 lines
2.6 KiB
Dart
77 lines
2.6 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/gestures.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_api_samples/material/range_slider/range_slider.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('The range slider should have 5 divisions from 0 to 100', (WidgetTester tester) async {
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await tester.pumpWidget(
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const example.RangeSliderExampleApp(),
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);
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expect(find.widgetWithText(AppBar, 'RangeSlider Sample'), findsOne);
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expect(
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find.byWidgetPredicate((Widget widget) => widget is RangeSlider && widget.values == const RangeValues(40, 80)),
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findsOne,
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);
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final Rect rangeSliderRect = tester.getRect(find.byType(RangeSlider));
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final double y = rangeSliderRect.centerRight.dy;
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final double startX = rangeSliderRect.centerLeft.dx;
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final double endX = rangeSliderRect.centerRight.dx;
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// Drag the start to 0.
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final TestGesture drag = await tester.startGesture(Offset(startX + (endX - startX) * 0.4, y));
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await tester.pump(kPressTimeout);
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await drag.moveTo(rangeSliderRect.centerLeft);
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await drag.up();
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await tester.pump();
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expect(
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find.byWidgetPredicate((Widget widget) => widget is RangeSlider && widget.values == const RangeValues(0, 80)),
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findsOne,
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);
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// Drag the start to 20.
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await drag.down(rangeSliderRect.centerLeft);
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await tester.pump(kPressTimeout);
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await drag.moveTo(Offset(startX + (endX - startX) * 0.2, y));
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await drag.up();
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await tester.pump();
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expect(
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find.byWidgetPredicate((Widget widget) => widget is RangeSlider && widget.values == const RangeValues(20, 80)),
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findsOne,
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);
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// Drag the end to 60.
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await drag.down(Offset(startX + (endX - startX) * 0.8, y));
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await tester.pump(kPressTimeout);
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await drag.moveTo(Offset(startX + (endX - startX) * 0.6, y));
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await drag.up();
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await tester.pump();
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expect(
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find.byWidgetPredicate((Widget widget) => widget is RangeSlider && widget.values == const RangeValues(20, 60)),
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findsOne,
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);
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// Drag the end to 100.
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await drag.down(Offset(startX + (endX - startX) * 0.6, y));
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await tester.pump(kPressTimeout);
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await drag.moveTo(rangeSliderRect.centerRight);
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await drag.up();
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await tester.pump();
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expect(
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find.byWidgetPredicate((Widget widget) => widget is RangeSlider && widget.values == const RangeValues(20, 100)),
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findsOne,
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);
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});
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}
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