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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
54 lines
1.6 KiB
Dart
54 lines
1.6 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/widgets.dart';
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import 'package:flutter_test/flutter_test.dart';
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Future<Size> _getSize(WidgetTester tester, BoxConstraints constraints, double aspectRatio) async {
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final Key childKey = UniqueKey();
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await tester.pumpWidget(
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Center(
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child: ConstrainedBox(
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constraints: constraints,
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child: AspectRatio(
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aspectRatio: aspectRatio,
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child: Container(key: childKey),
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),
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),
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),
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);
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final RenderBox box = tester.renderObject(find.byKey(childKey));
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return box.size;
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}
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void main() {
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testWidgets('Aspect ratio control test', (WidgetTester tester) async {
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expect(
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await _getSize(tester, BoxConstraints.loose(const Size(500.0, 500.0)), 2.0),
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equals(const Size(500.0, 250.0)),
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);
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expect(
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await _getSize(tester, BoxConstraints.loose(const Size(500.0, 500.0)), 0.5),
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equals(const Size(250.0, 500.0)),
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);
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});
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testWidgets('Aspect ratio infinite width', (WidgetTester tester) async {
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final Key childKey = UniqueKey();
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await tester.pumpWidget(
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Directionality(
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textDirection: TextDirection.ltr,
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child: Center(
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child: SingleChildScrollView(
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scrollDirection: Axis.horizontal,
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child: AspectRatio(aspectRatio: 2.0, child: Container(key: childKey)),
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),
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),
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),
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);
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final RenderBox box = tester.renderObject(find.byKey(childKey));
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expect(box.size, equals(const Size(1200.0, 600.0)));
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});
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}
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