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879fa83461
Contributes to https://github.com/flutter/flutter/issues/130459 It adds a test for - `examples/api/lib/material/scrollbar/scrollbar.1.dart`
30 lines
1.1 KiB
Dart
30 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/scrollbar/scrollbar.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('The scrollbar thumb should be visible at all time', (WidgetTester tester) async {
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await tester.pumpWidget(
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const example.ScrollbarExampleApp(),
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);
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await tester.pump();
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await tester.pump(const Duration(milliseconds: 10)); // Wait for the thumb to start appearing.
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expect(find.widgetWithText(AppBar, 'Scrollbar Sample'), findsOne);
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expect(find.text('item 0'), findsOne);
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expect(find.text('item 9'), findsNothing);
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expect(find.byType(Scrollbar), paints..rect());
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await tester.fling(find.byType(Scrollbar).last, const Offset(0, -300), 10.0);
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expect(find.text('item 0'), findsNothing);
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expect(find.text('item 9'), findsOne);
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expect(find.byType(Scrollbar), paints..rect());
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});
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}
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