overlay.0_test.dart 1.51 KB
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// Copyright 2014 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

import 'package:flutter/material.dart';
import 'package:flutter_api_samples/widgets/overlay/overlay.0.dart' as example;
import 'package:flutter_test/flutter_test.dart';

void main() {
  testWidgets('Can use Overlay to highlight NavigationBar destination', (WidgetTester tester) async {
    const String explorePage = 'Explore page';
    const String commutePage = 'Commute page';
    const String savedPage = 'Saved page';

    await tester.pumpWidget(
      const example.OverlayApp(),
    );

    expect(find.text(explorePage), findsNothing);
    expect(find.text(commutePage), findsNothing);
    expect(find.text(savedPage), findsNothing);

    await tester.tap(find.widgetWithText(ElevatedButton, 'Explore'));
    await tester.pumpAndSettle();
    expect(find.text(explorePage), findsOneWidget);

    await tester.tap(find.widgetWithText(ElevatedButton, 'Commute'));
    await tester.pumpAndSettle();
    expect(find.text(commutePage), findsOneWidget);

    await tester.tap(find.widgetWithText(ElevatedButton, 'Saved'));
    await tester.pumpAndSettle();
    expect(find.text(savedPage), findsOneWidget);

    await tester.tap(find.widgetWithText(ElevatedButton, 'Remove Overlay'));
    await tester.pumpAndSettle();
    expect(find.text(explorePage), findsNothing);
    expect(find.text(commutePage), findsNothing);
    expect(find.text(savedPage), findsNothing);
  });
}