// Copyright 2015 The Chromium 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_test/flutter_test.dart'; import 'package:flutter/widgets.dart'; import 'package:test/test.dart'; void main() { test('Transform origin', () { testWidgets((WidgetTester tester) { bool didReceiveTap = false; tester.pumpWidget( new Stack( children: <Widget>[ new Positioned( top: 100.0, left: 100.0, child: new Container( width: 100.0, height: 100.0, decoration: new BoxDecoration( backgroundColor: new Color(0xFF0000FF) ) ) ), new Positioned( top: 100.0, left: 100.0, child: new Container( width: 100.0, height: 100.0, child: new Transform( transform: new Matrix4.identity().scale(0.5, 0.5), origin: new Offset(100.0, 50.0), child: new GestureDetector( onTap: () { didReceiveTap = true; }, child: new Container( decoration: new BoxDecoration( backgroundColor: new Color(0xFF00FFFF) ) ) ) ) ) ) ] ) ); expect(didReceiveTap, isFalse); tester.tapAt(new Point(110.0, 110.0)); expect(didReceiveTap, isFalse); tester.tapAt(new Point(190.0, 150.0)); expect(didReceiveTap, isTrue); }); }); test('Transform alignment', () { testWidgets((WidgetTester tester) { bool didReceiveTap = false; tester.pumpWidget( new Stack( children: <Widget>[ new Positioned( top: 100.0, left: 100.0, child: new Container( width: 100.0, height: 100.0, decoration: new BoxDecoration( backgroundColor: new Color(0xFF0000FF) ) ) ), new Positioned( top: 100.0, left: 100.0, child: new Container( width: 100.0, height: 100.0, child: new Transform( transform: new Matrix4.identity().scale(0.5, 0.5), alignment: new FractionalOffset(1.0, 0.5), child: new GestureDetector( onTap: () { didReceiveTap = true; }, child: new Container( decoration: new BoxDecoration( backgroundColor: new Color(0xFF00FFFF) ) ) ) ) ) ) ] ) ); expect(didReceiveTap, isFalse); tester.tapAt(new Point(110.0, 110.0)); expect(didReceiveTap, isFalse); tester.tapAt(new Point(190.0, 150.0)); expect(didReceiveTap, isTrue); }); }); test('Transform offset + alignment', () { testWidgets((WidgetTester tester) { bool didReceiveTap = false; tester.pumpWidget( new Stack( children: <Widget>[ new Positioned( top: 100.0, left: 100.0, child: new Container( width: 100.0, height: 100.0, decoration: new BoxDecoration( backgroundColor: new Color(0xFF0000FF) ) ) ), new Positioned( top: 100.0, left: 100.0, child: new Container( width: 100.0, height: 100.0, child: new Transform( transform: new Matrix4.identity().scale(0.5, 0.5), origin: new Offset(100.0, 0.0), alignment: new FractionalOffset(0.0, 0.5), child: new GestureDetector( onTap: () { didReceiveTap = true; }, child: new Container( decoration: new BoxDecoration( backgroundColor: new Color(0xFF00FFFF) ) ) ) ) ) ) ] ) ); expect(didReceiveTap, isFalse); tester.tapAt(new Point(110.0, 110.0)); expect(didReceiveTap, isFalse); tester.tapAt(new Point(190.0, 150.0)); expect(didReceiveTap, isTrue); }); }); }