// 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/gestures.dart'; import 'package:flutter/material.dart'; import 'package:flutter_api_samples/widgets/basic/mouse_region.on_exit.1.dart' as example; import 'package:flutter_test/flutter_test.dart'; void main() { testWidgets('MouseRegion update mouse hover with a delay', (WidgetTester tester) async { await tester.pumpWidget( const MaterialApp(home: example.MouseRegionApp()), ); expect(find.text('Not hovering'), findsOneWidget); final TestGesture gesture = await tester.createGesture(kind: PointerDeviceKind.mouse); await gesture.addPointer(); await gesture.moveTo(tester.getCenter(find.byType(Container))); await tester.pump(); expect(find.text('Hovering'), findsOneWidget); await gesture.moveTo(Offset.zero); await tester.pump(const Duration(seconds: 1)); expect(find.text('Not hovering'), findsOneWidget); }); }