| // 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/widgets.dart'; |
| import 'package:flutter_test/flutter_test.dart'; |
| import 'package:flutter/gestures.dart'; |
| |
| void main() { |
| testWidgets('gets local corrdinates', (WidgetTester tester) async { |
| final List<ScaleStartDetails> startDetails = <ScaleStartDetails>[]; |
| final List<ScaleUpdateDetails> updateDetails = <ScaleUpdateDetails>[]; |
| |
| final Key redContainer = UniqueKey(); |
| await tester.pumpWidget( |
| Center( |
| child: GestureDetector( |
| onScaleStart: (ScaleStartDetails details) { |
| startDetails.add(details); |
| }, |
| onScaleUpdate: (ScaleUpdateDetails details) { |
| updateDetails.add(details); |
| }, |
| child: Container( |
| key: redContainer, |
| width: 100, |
| height: 100, |
| color: Colors.red, |
| ), |
| ), |
| ), |
| ); |
| |
| await tester.startGesture(tester.getCenter(find.byKey(redContainer)) - const Offset(20, 20)); |
| final TestGesture pointer2 = await tester.startGesture(tester.getCenter(find.byKey(redContainer)) + const Offset(30, 30)); |
| await pointer2.moveTo(tester.getCenter(find.byKey(redContainer)) + const Offset(20, 20)); |
| |
| expect(updateDetails.single.localFocalPoint, const Offset(50, 50)); |
| expect(updateDetails.single.focalPoint, const Offset(400, 300)); |
| |
| expect(startDetails, hasLength(2)); |
| expect(startDetails.first.localFocalPoint, const Offset(30, 30)); |
| expect(startDetails.first.focalPoint, const Offset(380, 280)); |
| expect(startDetails.last.localFocalPoint, const Offset(50, 50)); |
| expect(startDetails.last.focalPoint, const Offset(400, 300)); |
| }); |
| } |