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## Description This adds some more missing example links. I also wrote another PR for adding a check to make sure that examples are all linked from a source file and have tests: https://github.com/flutter/flutter/pull/130523 ## Related Issues - https://github.com/flutter/flutter/issues/129956 ## Tests - Documentation and refactoring only.
42 lines
1.5 KiB
Dart
42 lines
1.5 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_drawer/navigation_drawer.0.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 destination on tap',
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(WidgetTester tester) async {
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await tester.pumpWidget(
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const example.NavigationDrawerApp(),
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);
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await tester.tap(find.text('Open Drawer'));
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await tester.pumpAndSettle();
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final NavigationDrawer navigationDrawerWidget = tester.firstWidget(find.byType(NavigationDrawer));
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/// NavigationDestinations must be rendered
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expect(find.text('Messages'), findsNWidgets(2));
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expect(find.text('Profile'), findsNWidgets(2));
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expect(find.text('Settings'), findsNWidgets(2));
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/// Initial index must be zero
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expect(navigationDrawerWidget.selectedIndex, 0);
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expect(find.text('Page Index = 0'), findsOneWidget);
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/// Switch to second tab
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await tester.tap(find.ancestor(of: find.text('Profile'), matching: find.byType(InkWell)));
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await tester.pumpAndSettle();
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expect(find.text('Page Index = 1'), findsOneWidget);
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/// Switch to fourth tab
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await tester.tap(find.ancestor(of: find.text('Settings'), matching: find.byType(InkWell)));
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await tester.pumpAndSettle();
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expect(find.text('Page Index = 2'), findsOneWidget);
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});
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}
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