// 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'asexample;import'package:flutter_test/flutter_test.dart';voidmain(){testWidgets('MouseRegion update mouse hover with a delay',(WidgetTestertester)async{awaittester.pumpWidget(constMaterialApp(home:example.MouseRegionApp()),);expect(find.text('Not hovering'),findsOneWidget);finalTestGesturegesture=awaittester.createGesture(kind:PointerDeviceKind.mouse);awaitgesture.addPointer();awaitgesture.moveTo(tester.getCenter(find.byType(Container)));awaittester.pump();expect(find.text('Hovering'),findsOneWidget);awaitgesture.moveTo(Offset.zero);awaittester.pump(constDuration(seconds:1));expect(find.text('Not hovering'),findsOneWidget);});}