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Fix the NavigationBar example overflow alignment. ### Before: <img src="https://github.com/user-attachments/assets/a6cf2cbb-ac32-482c-9aed-8cac15152a0d" height="450" /> ### After: <img src="https://github.com/user-attachments/assets/d476c617-edd3-449d-93cf-4a9a87c26d98" height="450" /> *List which issues are fixed by this PR. You must list at least one issue. An issue is not required if the PR fixes something trivial like a typo.* *If you had to change anything in the [flutter/tests] repo, include a link to the migration guide as per the [breaking change policy].* ## 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]. - [X] I listed at least one issue that this PR fixes in the description above. - [X] 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
55 lines
2.2 KiB
Dart
55 lines
2.2 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/navigation_bar/navigation_bar.1.dart'
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as example;
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import 'package:flutter_test/flutter_test.dart';
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void main() {
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testWidgets('Navigation bar updates label behavior when tapping buttons',
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(WidgetTester tester) async {
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await tester.pumpWidget(
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const example.NavigationBarApp(),
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);
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NavigationBar navigationBarWidget = tester.firstWidget(find.byType(NavigationBar));
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expect(find.text('Label behavior: alwaysShow'), findsOneWidget);
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/// Test alwaysShow label behavior button.
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await tester.tap(find.widgetWithText(ElevatedButton, 'alwaysShow'));
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await tester.pumpAndSettle();
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expect(find.text('Label behavior: alwaysShow'), findsOneWidget);
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expect(navigationBarWidget.labelBehavior, NavigationDestinationLabelBehavior.alwaysShow);
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/// Test onlyShowSelected label behavior button.
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await tester.tap(find.widgetWithText(ElevatedButton, 'onlyShowSelected'));
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await tester.pumpAndSettle();
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expect(find.text('Label behavior: onlyShowSelected'), findsOneWidget);
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navigationBarWidget = tester.firstWidget(find.byType(NavigationBar));
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expect(navigationBarWidget.labelBehavior, NavigationDestinationLabelBehavior.onlyShowSelected);
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/// Test alwaysHide label behavior button.
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await tester.tap(find.widgetWithText(ElevatedButton, 'alwaysHide'));
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await tester.pumpAndSettle();
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expect(find.text('Label behavior: alwaysHide'), findsOneWidget);
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navigationBarWidget = tester.firstWidget(find.byType(NavigationBar));
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expect(
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navigationBarWidget.labelBehavior,
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NavigationDestinationLabelBehavior.alwaysHide,
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);
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});
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testWidgets('Overflow buttons are aligned in the center', (WidgetTester tester) async {
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await tester.pumpWidget(const example.NavigationBarApp());
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final OverflowBar overflowBar = tester.widget<OverflowBar>(find.byType(OverflowBar));
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expect(overflowBar.overflowAlignment, OverflowBarAlignment.center);
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expect(overflowBar.overflowSpacing, 10.0);
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});
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}
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