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ed91ba1ba5
Contributes to https://github.com/flutter/flutter/issues/130459 It adds a test for - `examples/api/lib/widgets/scrollbar/raw_scrollbar.1.dart`
37 lines
1.4 KiB
Dart
37 lines
1.4 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/widgets/scrollbar/raw_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('When thumbVisibility is true, the scrollbar thumb remains visible', (WidgetTester tester) async {
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await tester.pumpWidget(
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const example.RawScrollbarExampleApp(),
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);
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expect(find.widgetWithText(AppBar, 'RawScrollbar Sample'), findsOne);
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expect(find.byType(RawScrollbar), findsOne);
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expect(find.byType(GridView), findsOne);
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expect(find.byType(RawScrollbar), paints..clipRect());
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expect(find.text('item 0'), findsOne);
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expect(find.text('item 1'), findsOne);
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expect(find.text('item 2'), findsOne);
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final TestPointer pointer = TestPointer(1, PointerDeviceKind.mouse);
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pointer.hover(tester.getCenter(find.byType(GridView)));
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await tester.sendEventToBinding(pointer.scroll(const Offset(0.0, 1000)));
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await tester.pumpAndSettle();
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expect(find.byType(RawScrollbar), paints..clipRect());
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expect(find.text('item 15'), findsOne);
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expect(find.text('item 16'), findsOne);
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expect(find.text('item 17'), findsOne);
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});
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}
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