1  // This is a basic Flutter widget test.
 2  //
 3  // To perform an interaction with a widget in your test, use the WidgetTester
 4  // utility in the flutter_test package. For example, you can send tap and scroll
 5  // gestures. You can also use WidgetTester to find child widgets in the widget
 6  // tree, read text, and verify that the values of widget properties are correct.
 7  
 8  import 'package:flutter/material.dart';
 9  import 'package:flutter_test/flutter_test.dart';
10  
11  import 'package:landing_page/main.dart';
12  
13  void main() {
14    testWidgets('Counter increments smoke test', (WidgetTester tester) async {
15      // Build our app and trigger a frame.
16      await tester.pumpWidget(const MyApp());
17  
18      // Verify that our counter starts at 0.
19      expect(find.text('0'), findsOneWidget);
20      expect(find.text('1'), findsNothing);
21  
22      // Tap the '+' icon and trigger a frame.
23      await tester.tap(find.byIcon(Icons.add));
24      await tester.pump();
25  
26      // Verify that our counter has incremented.
27      expect(find.text('0'), findsNothing);
28      expect(find.text('1'), findsOneWidget);
29    });
30  }