| // 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 { |
| int longPressCount = 0; |
| int longPressUpCount = 0; |
| final List<LongPressEndDetails> endDetails = <LongPressEndDetails>[]; |
| final List<LongPressMoveUpdateDetails> moveDetails = <LongPressMoveUpdateDetails>[]; |
| final List<LongPressStartDetails> startDetails = <LongPressStartDetails>[]; |
| |
| final Key redContainer = UniqueKey(); |
| await tester.pumpWidget( |
| Center( |
| child: GestureDetector( |
| onLongPress: () { |
| longPressCount++; |
| }, |
| onLongPressEnd: (LongPressEndDetails details) { |
| endDetails.add(details); |
| }, |
| onLongPressMoveUpdate: (LongPressMoveUpdateDetails details) { |
| moveDetails.add(details); |
| }, |
| onLongPressStart: (LongPressStartDetails details) { |
| startDetails.add(details); |
| }, |
| onLongPressUp: () { |
| longPressUpCount++; |
| }, |
| child: Container( |
| key: redContainer, |
| width: 100, |
| height: 150, |
| color: Colors.red, |
| ), |
| ), |
| ), |
| ); |
| |
| await tester.longPressAt(tester.getCenter(find.byKey(redContainer))); |
| expect(longPressCount, 1); |
| expect(longPressUpCount, 1); |
| expect(moveDetails, isEmpty); |
| expect(startDetails.single.localPosition, const Offset(50, 75)); |
| expect(startDetails.single.globalPosition, const Offset(400, 300)); |
| expect(endDetails.single.localPosition, const Offset(50, 75)); |
| expect(endDetails.single.globalPosition, const Offset(400, 300)); |
| }); |
| |
| testWidgets('scaled up', (WidgetTester tester) async { |
| int longPressCount = 0; |
| int longPressUpCount = 0; |
| final List<LongPressEndDetails> endDetails = <LongPressEndDetails>[]; |
| final List<LongPressMoveUpdateDetails> moveDetails = <LongPressMoveUpdateDetails>[]; |
| final List<LongPressStartDetails> startDetails = <LongPressStartDetails>[]; |
| |
| final Key redContainer = UniqueKey(); |
| await tester.pumpWidget( |
| Center( |
| child: Transform.scale( |
| scale: 2.0, |
| child: GestureDetector( |
| onLongPress: () { |
| longPressCount++; |
| }, |
| onLongPressEnd: (LongPressEndDetails details) { |
| endDetails.add(details); |
| }, |
| onLongPressMoveUpdate: (LongPressMoveUpdateDetails details) { |
| moveDetails.add(details); |
| }, |
| onLongPressStart: (LongPressStartDetails details) { |
| startDetails.add(details); |
| }, |
| onLongPressUp: () { |
| longPressUpCount++; |
| }, |
| child: Container( |
| key: redContainer, |
| width: 100, |
| height: 150, |
| color: Colors.red, |
| ), |
| ), |
| ), |
| ), |
| ); |
| |
| TestGesture gesture = await tester.startGesture(tester.getCenter(find.byKey(redContainer))); |
| await gesture.moveBy(const Offset(0, 10.0)); |
| await tester.pump(kLongPressTimeout); |
| await gesture.up(); |
| |
| expect(longPressCount, 1); |
| expect(longPressUpCount, 1); |
| expect(startDetails.single.localPosition, const Offset(50, 75)); |
| expect(startDetails.single.globalPosition, const Offset(400, 300)); |
| expect(endDetails.single.localPosition, const Offset(50, 75 + 10.0 / 2.0)); |
| expect(endDetails.single.globalPosition, const Offset(400, 300.0 + 10.0)); |
| expect(moveDetails, isEmpty); // moved before long press was detected. |
| |
| startDetails.clear(); |
| endDetails.clear(); |
| longPressCount = 0; |
| longPressUpCount = 0; |
| |
| // Move after recognized. |
| gesture = await tester.startGesture(tester.getCenter(find.byKey(redContainer))); |
| await tester.pump(kLongPressTimeout); |
| await gesture.moveBy(const Offset(0, 100)); |
| await gesture.up(); |
| |
| expect(longPressCount, 1); |
| expect(longPressUpCount, 1); |
| expect(startDetails.single.localPosition, const Offset(50, 75)); |
| expect(startDetails.single.globalPosition, const Offset(400, 300)); |
| expect(endDetails.single.localPosition, const Offset(50, 75 + 100.0 / 2.0)); |
| expect(endDetails.single.globalPosition, const Offset(400, 300.0 + 100.0)); |
| expect(moveDetails.single.localPosition, const Offset(50, 75 + 100.0 / 2.0)); |
| expect(moveDetails.single.globalPosition, const Offset(400, 300.0 + 100.0)); |
| expect(moveDetails.single.offsetFromOrigin, const Offset(0, 100.0)); |
| expect(moveDetails.single.localOffsetFromOrigin, const Offset(0, 100.0 / 2.0)); |
| }); |
| |
| testWidgets('scaled down', (WidgetTester tester) async { |
| int longPressCount = 0; |
| int longPressUpCount = 0; |
| final List<LongPressEndDetails> endDetails = <LongPressEndDetails>[]; |
| final List<LongPressMoveUpdateDetails> moveDetails = <LongPressMoveUpdateDetails>[]; |
| final List<LongPressStartDetails> startDetails = <LongPressStartDetails>[]; |
| |
| final Key redContainer = UniqueKey(); |
| await tester.pumpWidget( |
| Center( |
| child: Transform.scale( |
| scale: 0.5, |
| child: GestureDetector( |
| onLongPress: () { |
| longPressCount++; |
| }, |
| onLongPressEnd: (LongPressEndDetails details) { |
| endDetails.add(details); |
| }, |
| onLongPressMoveUpdate: (LongPressMoveUpdateDetails details) { |
| moveDetails.add(details); |
| }, |
| onLongPressStart: (LongPressStartDetails details) { |
| startDetails.add(details); |
| }, |
| onLongPressUp: () { |
| longPressUpCount++; |
| }, |
| child: Container( |
| key: redContainer, |
| width: 100, |
| height: 150, |
| color: Colors.red, |
| ), |
| ), |
| ), |
| ), |
| ); |
| |
| TestGesture gesture = await tester.startGesture(tester.getCenter(find.byKey(redContainer))); |
| await gesture.moveBy(const Offset(0, 10.0)); |
| await tester.pump(kLongPressTimeout); |
| await gesture.up(); |
| |
| expect(longPressCount, 1); |
| expect(longPressUpCount, 1); |
| expect(startDetails.single.localPosition, const Offset(50, 75)); |
| expect(startDetails.single.globalPosition, const Offset(400, 300)); |
| expect(endDetails.single.localPosition, const Offset(50, 75 + 10.0 * 2.0)); |
| expect(endDetails.single.globalPosition, const Offset(400, 300.0 + 10.0)); |
| expect(moveDetails, isEmpty); // moved before long press was detected. |
| |
| startDetails.clear(); |
| endDetails.clear(); |
| longPressCount = 0; |
| longPressUpCount = 0; |
| |
| // Move after recognized. |
| gesture = await tester.startGesture(tester.getCenter(find.byKey(redContainer))); |
| await tester.pump(kLongPressTimeout); |
| await gesture.moveBy(const Offset(0, 100)); |
| await gesture.up(); |
| |
| expect(longPressCount, 1); |
| expect(longPressUpCount, 1); |
| expect(startDetails.single.localPosition, const Offset(50, 75)); |
| expect(startDetails.single.globalPosition, const Offset(400, 300)); |
| expect(endDetails.single.localPosition, const Offset(50, 75 + 100.0 * 2.0)); |
| expect(endDetails.single.globalPosition, const Offset(400, 300.0 + 100.0)); |
| expect(moveDetails.single.localPosition, const Offset(50, 75 + 100.0 * 2.0)); |
| expect(moveDetails.single.globalPosition, const Offset(400, 300.0 + 100.0)); |
| expect(moveDetails.single.offsetFromOrigin, const Offset(0, 100.0)); |
| expect(moveDetails.single.localOffsetFromOrigin, const Offset(0, 100.0 * 2.0)); |
| }); |
| } |