54 lines
1.9 KiB
Dart
54 lines
1.9 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/widgets/overlay/overlay.0.dart' as example;
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import 'package:flutter_test/flutter_test.dart';
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void main() {
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testWidgets('Can use Overlay to highlight NavigationBar destination', (
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WidgetTester tester,
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) async {
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const String explorePage = 'Explore page';
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const String commutePage = 'Commute page';
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const String savedPage = 'Saved page';
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await tester.pumpWidget(const example.OverlayApp());
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expect(find.text(explorePage), findsNothing);
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expect(find.text(commutePage), findsNothing);
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expect(find.text(savedPage), findsNothing);
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await tester.tap(find.widgetWithText(ElevatedButton, 'Explore'));
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await tester.pumpAndSettle();
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expect(find.text(explorePage), findsOneWidget);
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await tester.tap(find.widgetWithText(ElevatedButton, 'Commute'));
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await tester.pumpAndSettle();
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expect(find.text(commutePage), findsOneWidget);
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await tester.tap(find.widgetWithText(ElevatedButton, 'Saved'));
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await tester.pumpAndSettle();
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expect(find.text(savedPage), findsOneWidget);
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await tester.tap(find.widgetWithText(ElevatedButton, 'Remove Overlay'));
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await tester.pumpAndSettle();
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expect(find.text(explorePage), findsNothing);
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expect(find.text(commutePage), findsNothing);
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expect(find.text(savedPage), findsNothing);
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});
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testWidgets('Narrow layout does not overflow', (WidgetTester tester) async {
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// Set a narrow screen size.
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tester.view
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..physicalSize = const Size(320, 480)
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..devicePixelRatio = 1;
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addTearDown(tester.view.reset);
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await tester.pumpWidget(const example.OverlayApp());
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// Verify that no overflow errors occur.
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expect(tester.takeException(), isNull);
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});
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}
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