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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
60 lines
1.8 KiB
Dart
60 lines
1.8 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/widgets.dart';
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import 'package:flutter_test/flutter_test.dart';
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import 'semantics_tester.dart';
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void main() {
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testWidgets('can change semantics in a branch blocked by BlockSemantics', (
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WidgetTester tester,
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) async {
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final SemanticsTester semantics = SemanticsTester(tester);
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final TestSemantics expectedSemantics = TestSemantics.root(
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children: <TestSemantics>[
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TestSemantics.rootChild(
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id: 1,
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label: 'hello',
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textDirection: TextDirection.ltr,
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rect: TestSemantics.fullScreen,
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),
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],
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);
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await tester.pumpWidget(buildWidget(blockedText: 'one'));
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expect(semantics, hasSemantics(expectedSemantics));
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// The purpose of the test is to ensure that this change does not throw.
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await tester.pumpWidget(buildWidget(blockedText: 'two'));
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expect(semantics, hasSemantics(expectedSemantics));
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// Ensure that the previously blocked semantics end up in the tree correctly when unblocked.
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await tester.pumpWidget(buildWidget(blockedText: 'two', blocking: false));
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expect(semantics, includesNodeWith(label: 'two', textDirection: TextDirection.ltr));
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semantics.dispose();
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});
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}
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Widget buildWidget({required String blockedText, bool blocking = true}) {
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return Directionality(
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textDirection: TextDirection.ltr,
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child: Stack(
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fit: StackFit.expand,
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children: <Widget>[
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Semantics(container: true, child: ListView(children: <Widget>[Text(blockedText)])),
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BlockSemantics(
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blocking: blocking,
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child: Semantics(label: 'hello', container: true),
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),
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],
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),
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);
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}
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