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a04fb324be
Bumps the Dart version to 3.8 across the repo (excluding engine/src/flutter/third_party) and applies formatting updates from Dart 3.8. ## Pre-launch Checklist - [x] I read the [Contributor Guide] and followed the process outlined there for submitting PRs. - [x] I read the [Tree Hygiene] wiki page, which explains my responsibilities. - [x] I read and followed the [Flutter Style Guide], including [Features we expect every widget to implement]. - [x] I signed the [CLA]. - [ ] I listed at least one issue that this PR fixes in the description above. - [ ] I updated/added relevant documentation (doc comments with `///`). - [x] I added new tests to check the change I am making, or this PR is [test-exempt]. - [x] I followed the [breaking change policy] and added [Data Driven Fixes] where supported. - [x] All existing and new tests are passing. If you need help, consider asking for advice on the #hackers-new channel on [Discord]. <!-- Links --> [Contributor Guide]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#overview [Tree Hygiene]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md [test-exempt]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#tests [Flutter Style Guide]: https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md [Features we expect every widget to implement]: https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md#features-we-expect-every-widget-to-implement [CLA]: https://cla.developers.google.com/ [flutter/tests]: https://github.com/flutter/tests [breaking change policy]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#handling-breaking-changes [Discord]: https://github.com/flutter/flutter/blob/main/docs/contributing/Chat.md [Data Driven Fixes]: https://github.com/flutter/flutter/blob/main/docs/contributing/Data-driven-Fixes.md
671 lines
25 KiB
Dart
671 lines
25 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/foundation.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter/rendering.dart';
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import 'package:flutter/services.dart';
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import 'package:flutter_test/flutter_test.dart';
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final LogicalKeyboardKey modifierKey = defaultTargetPlatform == TargetPlatform.macOS
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? LogicalKeyboardKey.metaLeft
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: LogicalKeyboardKey.controlLeft;
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class _NoNotificationContextScrollable extends Scrollable {
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const _NoNotificationContextScrollable({super.controller, required super.viewportBuilder});
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@override
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ScrollableState createState() => _NoNotificationContextScrollableState();
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}
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class _NoNotificationContextScrollableState extends ScrollableState {
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@override
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BuildContext? get notificationContext => null;
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}
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void main() {
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group('ScrollableDetails', () {
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test('copyWith / == / hashCode', () {
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final ScrollController controller = ScrollController();
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addTearDown(controller.dispose);
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final ScrollableDetails details = ScrollableDetails(
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direction: AxisDirection.down,
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controller: controller,
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physics: const AlwaysScrollableScrollPhysics(),
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decorationClipBehavior: Clip.hardEdge,
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);
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ScrollableDetails copiedDetails = details.copyWith();
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expect(details, copiedDetails);
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expect(details.hashCode, copiedDetails.hashCode);
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copiedDetails = details.copyWith(
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direction: AxisDirection.left,
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physics: const ClampingScrollPhysics(),
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decorationClipBehavior: Clip.none,
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);
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expect(
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copiedDetails,
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ScrollableDetails(
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direction: AxisDirection.left,
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controller: controller,
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physics: const ClampingScrollPhysics(),
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decorationClipBehavior: Clip.none,
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),
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);
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});
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test('toString', () {
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final ScrollController controller = ScrollController();
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addTearDown(controller.dispose);
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const ScrollableDetails bareDetails = ScrollableDetails(direction: AxisDirection.right);
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expect(
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bareDetails.toString(),
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equalsIgnoringHashCodes('ScrollableDetails#00000(axisDirection: AxisDirection.right)'),
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);
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final ScrollableDetails fullDetails = ScrollableDetails(
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direction: AxisDirection.down,
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controller: controller,
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physics: const AlwaysScrollableScrollPhysics(),
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decorationClipBehavior: Clip.hardEdge,
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);
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expect(
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fullDetails.toString(),
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equalsIgnoringHashCodes(
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'ScrollableDetails#00000('
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'axisDirection: AxisDirection.down, '
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'scroll controller: ScrollController#00000(no clients), '
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'scroll physics: AlwaysScrollableScrollPhysics, '
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'decorationClipBehavior: Clip.hardEdge)',
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),
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);
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});
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test('deprecated clipBehavior is backwards compatible', () {
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const ScrollableDetails deprecatedClip = ScrollableDetails(
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direction: AxisDirection.right,
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clipBehavior: Clip.hardEdge,
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);
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expect(deprecatedClip.clipBehavior, Clip.hardEdge);
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expect(deprecatedClip.decorationClipBehavior, Clip.hardEdge);
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const ScrollableDetails newClip = ScrollableDetails(
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direction: AxisDirection.right,
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decorationClipBehavior: Clip.hardEdge,
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);
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expect(newClip.clipBehavior, Clip.hardEdge);
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expect(newClip.decorationClipBehavior, Clip.hardEdge);
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});
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});
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testWidgets(
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"Keyboard scrolling doesn't happen if scroll physics are set to NeverScrollableScrollPhysics",
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(WidgetTester tester) async {
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final ScrollController controller = ScrollController();
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addTearDown(controller.dispose);
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await tester.pumpWidget(
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MaterialApp(
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theme: ThemeData(platform: TargetPlatform.fuchsia),
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home: CustomScrollView(
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controller: controller,
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physics: const NeverScrollableScrollPhysics(),
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slivers: List<Widget>.generate(20, (int index) {
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return SliverToBoxAdapter(
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child: Focus(
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autofocus: index == 0,
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child: SizedBox(key: ValueKey<String>('Box $index'), height: 50.0),
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),
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);
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}),
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),
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),
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);
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await tester.pumpAndSettle();
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expect(controller.position.pixels, equals(0.0));
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expect(
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tester.getRect(find.byKey(const ValueKey<String>('Box 0'), skipOffstage: false)),
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equals(const Rect.fromLTRB(0.0, 0.0, 800.0, 50.0)),
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);
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await tester.sendKeyDownEvent(modifierKey);
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await tester.sendKeyEvent(LogicalKeyboardKey.arrowDown);
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await tester.sendKeyUpEvent(modifierKey);
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await tester.pumpAndSettle();
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expect(controller.position.pixels, equals(0.0));
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expect(
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tester.getRect(find.byKey(const ValueKey<String>('Box 0'), skipOffstage: false)),
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equals(const Rect.fromLTRB(0.0, 0.0, 800.0, 50.0)),
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);
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await tester.sendKeyDownEvent(modifierKey);
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await tester.sendKeyEvent(LogicalKeyboardKey.arrowUp);
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await tester.sendKeyUpEvent(modifierKey);
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await tester.pumpAndSettle();
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expect(controller.position.pixels, equals(0.0));
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expect(
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tester.getRect(find.byKey(const ValueKey<String>('Box 0'), skipOffstage: false)),
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equals(const Rect.fromLTRB(0.0, 0.0, 800.0, 50.0)),
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);
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await tester.sendKeyEvent(LogicalKeyboardKey.pageDown);
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await tester.pumpAndSettle();
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expect(controller.position.pixels, equals(0.0));
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expect(
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tester.getRect(find.byKey(const ValueKey<String>('Box 0'), skipOffstage: false)),
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equals(const Rect.fromLTRB(0.0, 0.0, 800.0, 50.0)),
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);
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await tester.sendKeyEvent(LogicalKeyboardKey.pageUp);
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await tester.pumpAndSettle();
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expect(controller.position.pixels, equals(0.0));
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expect(
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tester.getRect(find.byKey(const ValueKey<String>('Box 0'), skipOffstage: false)),
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equals(const Rect.fromLTRB(0.0, 0.0, 800.0, 50.0)),
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);
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},
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variant: KeySimulatorTransitModeVariant.all(),
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);
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testWidgets(
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'Vertical scrollables are scrolled when activated via keyboard.',
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(WidgetTester tester) async {
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final ScrollController controller = ScrollController();
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addTearDown(controller.dispose);
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await tester.pumpWidget(
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MaterialApp(
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theme: ThemeData(platform: TargetPlatform.fuchsia),
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home: CustomScrollView(
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controller: controller,
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slivers: List<Widget>.generate(20, (int index) {
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return SliverToBoxAdapter(
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child: Focus(
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autofocus: index == 0,
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child: SizedBox(key: ValueKey<String>('Box $index'), height: 50.0),
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),
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);
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}),
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),
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),
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);
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await tester.pumpAndSettle();
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expect(controller.position.pixels, equals(0.0));
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expect(
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tester.getRect(find.byKey(const ValueKey<String>('Box 0'), skipOffstage: false)),
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equals(const Rect.fromLTRB(0.0, 0.0, 800.0, 50.0)),
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);
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// We exclude the modifier keys here for web testing since default web shortcuts
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// do not use a modifier key with arrow keys for ScrollActions.
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if (!kIsWeb) {
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await tester.sendKeyDownEvent(modifierKey);
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}
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await tester.sendKeyEvent(LogicalKeyboardKey.arrowDown);
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if (!kIsWeb) {
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await tester.sendKeyUpEvent(modifierKey);
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}
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await tester.pumpAndSettle();
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expect(
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tester.getRect(find.byKey(const ValueKey<String>('Box 0'), skipOffstage: false)),
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equals(const Rect.fromLTRB(0.0, -50.0, 800.0, 0.0)),
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);
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if (!kIsWeb) {
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await tester.sendKeyDownEvent(modifierKey);
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}
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await tester.sendKeyEvent(LogicalKeyboardKey.arrowUp);
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if (!kIsWeb) {
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await tester.sendKeyUpEvent(modifierKey);
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}
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await tester.pumpAndSettle();
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expect(
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tester.getRect(find.byKey(const ValueKey<String>('Box 0'), skipOffstage: false)),
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equals(const Rect.fromLTRB(0.0, 0.0, 800.0, 50.0)),
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);
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await tester.sendKeyEvent(LogicalKeyboardKey.pageDown);
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await tester.pumpAndSettle();
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expect(
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tester.getRect(find.byKey(const ValueKey<String>('Box 0'), skipOffstage: false)),
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equals(const Rect.fromLTRB(0.0, -400.0, 800.0, -350.0)),
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);
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await tester.sendKeyEvent(LogicalKeyboardKey.pageUp);
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await tester.pumpAndSettle();
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expect(
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tester.getRect(find.byKey(const ValueKey<String>('Box 0'), skipOffstage: false)),
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equals(const Rect.fromLTRB(0.0, 0.0, 800.0, 50.0)),
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);
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},
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variant: KeySimulatorTransitModeVariant.all(),
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);
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testWidgets(
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'Horizontal scrollables are scrolled when activated via keyboard.',
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(WidgetTester tester) async {
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final ScrollController controller = ScrollController();
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addTearDown(controller.dispose);
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await tester.pumpWidget(
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MaterialApp(
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theme: ThemeData(platform: TargetPlatform.fuchsia),
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home: CustomScrollView(
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controller: controller,
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scrollDirection: Axis.horizontal,
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slivers: List<Widget>.generate(20, (int index) {
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return SliverToBoxAdapter(
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child: Focus(
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autofocus: index == 0,
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child: SizedBox(key: ValueKey<String>('Box $index'), width: 50.0),
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),
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);
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}),
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),
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),
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);
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await tester.pumpAndSettle();
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expect(controller.position.pixels, equals(0.0));
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expect(
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tester.getRect(find.byKey(const ValueKey<String>('Box 0'), skipOffstage: false)),
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equals(const Rect.fromLTRB(0.0, 0.0, 50.0, 600.0)),
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);
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// We exclude the modifier keys here for web testing since default web shortcuts
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// do not use a modifier key with arrow keys for ScrollActions.
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if (!kIsWeb) {
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await tester.sendKeyDownEvent(modifierKey);
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}
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await tester.sendKeyEvent(LogicalKeyboardKey.arrowRight);
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if (!kIsWeb) {
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await tester.sendKeyUpEvent(modifierKey);
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}
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await tester.pumpAndSettle();
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expect(
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tester.getRect(find.byKey(const ValueKey<String>('Box 0'), skipOffstage: false)),
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equals(const Rect.fromLTRB(-50.0, 0.0, 0.0, 600.0)),
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);
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if (!kIsWeb) {
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await tester.sendKeyDownEvent(modifierKey);
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}
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await tester.sendKeyEvent(LogicalKeyboardKey.arrowLeft);
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if (!kIsWeb) {
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await tester.sendKeyUpEvent(modifierKey);
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}
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await tester.pumpAndSettle();
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expect(
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tester.getRect(find.byKey(const ValueKey<String>('Box 0'), skipOffstage: false)),
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equals(const Rect.fromLTRB(0.0, 0.0, 50.0, 600.0)),
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);
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},
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variant: KeySimulatorTransitModeVariant.all(),
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);
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testWidgets(
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'Horizontal scrollables are scrolled the correct direction in RTL locales.',
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(WidgetTester tester) async {
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final ScrollController controller = ScrollController();
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addTearDown(controller.dispose);
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await tester.pumpWidget(
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MaterialApp(
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theme: ThemeData(platform: TargetPlatform.fuchsia),
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home: Directionality(
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textDirection: TextDirection.rtl,
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child: CustomScrollView(
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controller: controller,
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scrollDirection: Axis.horizontal,
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slivers: List<Widget>.generate(20, (int index) {
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return SliverToBoxAdapter(
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child: Focus(
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autofocus: index == 0,
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child: SizedBox(key: ValueKey<String>('Box $index'), width: 50.0),
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),
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);
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}),
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),
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),
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),
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);
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await tester.pumpAndSettle();
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expect(controller.position.pixels, equals(0.0));
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expect(
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tester.getRect(find.byKey(const ValueKey<String>('Box 0'), skipOffstage: false)),
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equals(const Rect.fromLTRB(750.0, 0.0, 800.0, 600.0)),
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);
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// We exclude the modifier keys here for web testing since default web shortcuts
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// do not use a modifier key with arrow keys for ScrollActions.
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if (!kIsWeb) {
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await tester.sendKeyDownEvent(modifierKey);
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}
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await tester.sendKeyEvent(LogicalKeyboardKey.arrowLeft);
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if (!kIsWeb) {
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await tester.sendKeyUpEvent(modifierKey);
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}
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await tester.pumpAndSettle();
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expect(
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tester.getRect(find.byKey(const ValueKey<String>('Box 0'), skipOffstage: false)),
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equals(const Rect.fromLTRB(800.0, 0.0, 850.0, 600.0)),
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);
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if (!kIsWeb) {
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await tester.sendKeyDownEvent(modifierKey);
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}
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await tester.sendKeyEvent(LogicalKeyboardKey.arrowRight);
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if (!kIsWeb) {
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await tester.sendKeyUpEvent(modifierKey);
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}
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await tester.pumpAndSettle();
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expect(
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tester.getRect(find.byKey(const ValueKey<String>('Box 0'), skipOffstage: false)),
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equals(const Rect.fromLTRB(750.0, 0.0, 800.0, 600.0)),
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);
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},
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variant: KeySimulatorTransitModeVariant.all(),
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);
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testWidgets(
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'Reversed vertical scrollables are scrolled when activated via keyboard.',
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(WidgetTester tester) async {
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final ScrollController controller = ScrollController();
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addTearDown(controller.dispose);
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final FocusNode focusNode = FocusNode(debugLabel: 'SizedBox');
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addTearDown(focusNode.dispose);
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await tester.pumpWidget(
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MaterialApp(
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theme: ThemeData(platform: TargetPlatform.fuchsia),
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home: CustomScrollView(
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controller: controller,
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reverse: true,
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slivers: List<Widget>.generate(20, (int index) {
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return SliverToBoxAdapter(
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child: Focus(
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focusNode: focusNode,
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child: SizedBox(key: ValueKey<String>('Box $index'), height: 50.0),
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),
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);
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}),
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),
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),
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);
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focusNode.requestFocus();
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await tester.pumpAndSettle();
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expect(controller.position.pixels, equals(0.0));
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expect(
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tester.getRect(find.byKey(const ValueKey<String>('Box 0'), skipOffstage: false)),
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equals(const Rect.fromLTRB(0.0, 550.0, 800.0, 600.0)),
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);
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// We exclude the modifier keys here for web testing since default web shortcuts
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// do not use a modifier key with arrow keys for ScrollActions.
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if (!kIsWeb) {
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await tester.sendKeyDownEvent(modifierKey);
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}
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await tester.sendKeyEvent(LogicalKeyboardKey.arrowUp);
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if (!kIsWeb) {
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await tester.sendKeyUpEvent(modifierKey);
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}
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await tester.pumpAndSettle();
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expect(
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tester.getRect(find.byKey(const ValueKey<String>('Box 0'), skipOffstage: false)),
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equals(const Rect.fromLTRB(0.0, 600.0, 800.0, 650.0)),
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);
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if (!kIsWeb) {
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await tester.sendKeyDownEvent(modifierKey);
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}
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await tester.sendKeyEvent(LogicalKeyboardKey.arrowDown);
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if (!kIsWeb) {
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await tester.sendKeyUpEvent(modifierKey);
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}
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await tester.pumpAndSettle();
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expect(
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tester.getRect(find.byKey(const ValueKey<String>('Box 0'), skipOffstage: false)),
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equals(const Rect.fromLTRB(0.0, 550.0, 800.0, 600.0)),
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);
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await tester.sendKeyEvent(LogicalKeyboardKey.pageUp);
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await tester.pumpAndSettle();
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expect(
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tester.getRect(find.byKey(const ValueKey<String>('Box 0'), skipOffstage: false)),
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equals(const Rect.fromLTRB(0.0, 950.0, 800.0, 1000.0)),
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);
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await tester.sendKeyEvent(LogicalKeyboardKey.pageDown);
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await tester.pumpAndSettle();
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expect(
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tester.getRect(find.byKey(const ValueKey<String>('Box 0'), skipOffstage: false)),
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equals(const Rect.fromLTRB(0.0, 550.0, 800.0, 600.0)),
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);
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},
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variant: KeySimulatorTransitModeVariant.all(),
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);
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|
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testWidgets(
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'Reversed horizontal scrollables are scrolled when activated via keyboard.',
|
|
(WidgetTester tester) async {
|
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final ScrollController controller = ScrollController();
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addTearDown(controller.dispose);
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final FocusNode focusNode = FocusNode(debugLabel: 'SizedBox');
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addTearDown(focusNode.dispose);
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await tester.pumpWidget(
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MaterialApp(
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theme: ThemeData(platform: TargetPlatform.fuchsia),
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home: CustomScrollView(
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controller: controller,
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scrollDirection: Axis.horizontal,
|
|
reverse: true,
|
|
slivers: List<Widget>.generate(20, (int index) {
|
|
return SliverToBoxAdapter(
|
|
child: Focus(
|
|
focusNode: focusNode,
|
|
child: SizedBox(key: ValueKey<String>('Box $index'), width: 50.0),
|
|
),
|
|
);
|
|
}),
|
|
),
|
|
),
|
|
);
|
|
|
|
focusNode.requestFocus();
|
|
await tester.pumpAndSettle();
|
|
expect(controller.position.pixels, equals(0.0));
|
|
expect(
|
|
tester.getRect(find.byKey(const ValueKey<String>('Box 0'), skipOffstage: false)),
|
|
equals(const Rect.fromLTRB(750.0, 0.0, 800.0, 600.00)),
|
|
);
|
|
// We exclude the modifier keys here for web testing since default web shortcuts
|
|
// do not use a modifier key with arrow keys for ScrollActions.
|
|
if (!kIsWeb) {
|
|
await tester.sendKeyDownEvent(modifierKey);
|
|
}
|
|
await tester.sendKeyEvent(LogicalKeyboardKey.arrowLeft);
|
|
if (!kIsWeb) {
|
|
await tester.sendKeyUpEvent(modifierKey);
|
|
}
|
|
await tester.pumpAndSettle();
|
|
expect(
|
|
tester.getRect(find.byKey(const ValueKey<String>('Box 0'), skipOffstage: false)),
|
|
equals(const Rect.fromLTRB(800.0, 0.0, 850.0, 600.0)),
|
|
);
|
|
if (!kIsWeb) {
|
|
await tester.sendKeyDownEvent(modifierKey);
|
|
}
|
|
await tester.sendKeyEvent(LogicalKeyboardKey.arrowRight);
|
|
if (!kIsWeb) {
|
|
await tester.sendKeyUpEvent(modifierKey);
|
|
}
|
|
await tester.pumpAndSettle();
|
|
},
|
|
variant: KeySimulatorTransitModeVariant.all(),
|
|
);
|
|
|
|
testWidgets(
|
|
'Custom scrollables with a center sliver are scrolled when activated via keyboard.',
|
|
(WidgetTester tester) async {
|
|
final ScrollController controller = ScrollController();
|
|
addTearDown(controller.dispose);
|
|
final List<String> items = List<String>.generate(20, (int index) => 'Item $index');
|
|
await tester.pumpWidget(
|
|
MaterialApp(
|
|
theme: ThemeData(platform: TargetPlatform.fuchsia),
|
|
home: CustomScrollView(
|
|
controller: controller,
|
|
center: const ValueKey<String>('Center'),
|
|
slivers: items.map<Widget>((String item) {
|
|
return SliverToBoxAdapter(
|
|
key: item == 'Item 10' ? const ValueKey<String>('Center') : null,
|
|
child: Focus(
|
|
autofocus: item == 'Item 10',
|
|
child: Container(
|
|
key: ValueKey<String>(item),
|
|
alignment: Alignment.center,
|
|
height: 100,
|
|
child: Text(item),
|
|
),
|
|
),
|
|
);
|
|
}).toList(),
|
|
),
|
|
),
|
|
);
|
|
|
|
await tester.pumpAndSettle();
|
|
expect(controller.position.pixels, equals(0.0));
|
|
expect(
|
|
tester.getRect(find.byKey(const ValueKey<String>('Item 10'), skipOffstage: false)),
|
|
equals(const Rect.fromLTRB(0.0, 0.0, 800.0, 100.0)),
|
|
);
|
|
for (int i = 0; i < 10; ++i) {
|
|
// We exclude the modifier keys here for web testing since default web shortcuts
|
|
// do not use a modifier key with arrow keys for ScrollActions.
|
|
if (!kIsWeb) {
|
|
await tester.sendKeyDownEvent(modifierKey);
|
|
}
|
|
await tester.sendKeyEvent(LogicalKeyboardKey.arrowDown);
|
|
if (!kIsWeb) {
|
|
await tester.sendKeyUpEvent(modifierKey);
|
|
}
|
|
await tester.pumpAndSettle();
|
|
}
|
|
// Starts at #10 already, so doesn't work out to 500.0 because it hits bottom.
|
|
expect(controller.position.pixels, equals(400.0));
|
|
expect(
|
|
tester.getRect(find.byKey(const ValueKey<String>('Item 10'), skipOffstage: false)),
|
|
equals(const Rect.fromLTRB(0.0, -400.0, 800.0, -300.0)),
|
|
);
|
|
for (int i = 0; i < 10; ++i) {
|
|
if (!kIsWeb) {
|
|
await tester.sendKeyDownEvent(modifierKey);
|
|
}
|
|
await tester.sendKeyEvent(LogicalKeyboardKey.arrowUp);
|
|
if (!kIsWeb) {
|
|
await tester.sendKeyUpEvent(modifierKey);
|
|
}
|
|
await tester.pumpAndSettle();
|
|
}
|
|
// Goes up two past "center" where it started, so negative.
|
|
expect(controller.position.pixels, equals(-100.0));
|
|
expect(
|
|
tester.getRect(find.byKey(const ValueKey<String>('Item 10'), skipOffstage: false)),
|
|
equals(const Rect.fromLTRB(0.0, 100.0, 800.0, 200.0)),
|
|
);
|
|
},
|
|
variant: KeySimulatorTransitModeVariant.all(),
|
|
);
|
|
|
|
testWidgets('Can scroll using intents only', (WidgetTester tester) async {
|
|
await tester.pumpWidget(
|
|
MaterialApp(
|
|
home: ListView(
|
|
children: const <Widget>[
|
|
SizedBox(height: 600.0, child: Text('The cow as white as milk')),
|
|
SizedBox(height: 600.0, child: Text('The cape as red as blood')),
|
|
SizedBox(height: 600.0, child: Text('The hair as yellow as corn')),
|
|
],
|
|
),
|
|
),
|
|
);
|
|
expect(find.text('The cow as white as milk'), findsOneWidget);
|
|
expect(find.text('The cape as red as blood'), findsNothing);
|
|
expect(find.text('The hair as yellow as corn'), findsNothing);
|
|
Actions.invoke(
|
|
tester.element(find.byType(SliverList)),
|
|
const ScrollIntent(direction: AxisDirection.down, type: ScrollIncrementType.page),
|
|
);
|
|
await tester.pump(); // start scroll
|
|
await tester.pump(const Duration(milliseconds: 1000)); // end scroll
|
|
expect(find.text('The cow as white as milk'), findsOneWidget);
|
|
expect(find.text('The cape as red as blood'), findsOneWidget);
|
|
expect(find.text('The hair as yellow as corn'), findsNothing);
|
|
Actions.invoke(
|
|
tester.element(find.byType(SliverList)),
|
|
const ScrollIntent(direction: AxisDirection.down, type: ScrollIncrementType.page),
|
|
);
|
|
await tester.pump(); // start scroll
|
|
await tester.pump(const Duration(milliseconds: 1000)); // end scroll
|
|
expect(find.text('The cow as white as milk'), findsNothing);
|
|
expect(find.text('The cape as red as blood'), findsOneWidget);
|
|
expect(find.text('The hair as yellow as corn'), findsOneWidget);
|
|
});
|
|
|
|
// Regression test for https://github.com/flutter/flutter/issues/158063.
|
|
testWidgets(
|
|
'Invoking a ScrollAction when notificationContext is null does not cause an exception.',
|
|
(WidgetTester tester) async {
|
|
const List<LogicalKeyboardKey> keysWithModifier = <LogicalKeyboardKey>[
|
|
LogicalKeyboardKey.arrowDown,
|
|
LogicalKeyboardKey.arrowUp,
|
|
];
|
|
const List<LogicalKeyboardKey> keys = <LogicalKeyboardKey>[
|
|
...keysWithModifier,
|
|
LogicalKeyboardKey.pageDown,
|
|
LogicalKeyboardKey.pageUp,
|
|
];
|
|
final ScrollController controller = ScrollController();
|
|
addTearDown(controller.dispose);
|
|
await tester.pumpWidget(
|
|
MaterialApp(
|
|
theme: ThemeData(platform: TargetPlatform.fuchsia),
|
|
home: PrimaryScrollController(
|
|
controller: controller,
|
|
child: Focus(
|
|
autofocus: true,
|
|
child: _NoNotificationContextScrollable(
|
|
controller: controller,
|
|
viewportBuilder: (BuildContext context, ViewportOffset offset) => Viewport(
|
|
offset: offset,
|
|
slivers: List<Widget>.generate(
|
|
20,
|
|
(int index) => SliverToBoxAdapter(
|
|
child: SizedBox(key: ValueKey<String>('Box $index'), height: 50.0),
|
|
),
|
|
),
|
|
),
|
|
),
|
|
),
|
|
),
|
|
),
|
|
);
|
|
|
|
// Verify the initial scroll offset.
|
|
await tester.pumpAndSettle();
|
|
expect(controller.position.pixels, equals(0.0));
|
|
expect(
|
|
tester.getRect(find.byKey(const ValueKey<String>('Box 0'), skipOffstage: false)),
|
|
equals(const Rect.fromLTRB(0.0, 0.0, 800.0, 50.0)),
|
|
);
|
|
|
|
for (final LogicalKeyboardKey key in keys) {
|
|
// The default web shortcuts do not use a modifier key for ScrollActions.
|
|
if (!kIsWeb && keysWithModifier.contains(key)) {
|
|
await tester.sendKeyDownEvent(modifierKey);
|
|
}
|
|
|
|
await tester.sendKeyEvent(key);
|
|
expect(tester.takeException(), isNull);
|
|
|
|
if (!kIsWeb && keysWithModifier.contains(key)) {
|
|
await tester.sendKeyUpEvent(modifierKey);
|
|
}
|
|
|
|
// No scrollable is found, so the scroll position should not change.
|
|
await tester.pumpAndSettle();
|
|
expect(controller.position.pixels, equals(0.0));
|
|
expect(
|
|
tester.getRect(find.byKey(const ValueKey<String>('Box 0'), skipOffstage: false)),
|
|
equals(const Rect.fromLTRB(0.0, 0.0, 800.0, 50.0)),
|
|
);
|
|
}
|
|
},
|
|
variant: KeySimulatorTransitModeVariant.all(),
|
|
);
|
|
}
|