// 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/rendering.dart'; import 'package:flutter/widgets.dart'; import 'package:test/test.dart'; void main() { test('AnimatedPositioned - basics', () { testWidgets((WidgetTester tester) { GlobalKey key = new GlobalKey(); RenderBox box; tester.pumpWidget( new Stack( children: <Widget>[ new AnimatedPositioned( child: new Container(key: key), left: 50.0, top: 30.0, width: 70.0, height: 110.0, duration: const Duration(seconds: 2) ) ] ) ); box = key.currentContext.findRenderObject(); expect(box.localToGlobal(box.size.center(Point.origin)), equals(const Point(50.0 + 70.0 / 2.0, 30.0 + 110.0 / 2.0))); tester.pump(const Duration(seconds: 1)); box = key.currentContext.findRenderObject(); expect(box.localToGlobal(box.size.center(Point.origin)), equals(const Point(50.0 + 70.0 / 2.0, 30.0 + 110.0 / 2.0))); tester.pumpWidget( new Stack( children: <Widget>[ new AnimatedPositioned( child: new Container(key: key), left: 37.0, top: 31.0, width: 59.0, height: 71.0, duration: const Duration(seconds: 2) ) ] ) ); box = key.currentContext.findRenderObject(); expect(box.localToGlobal(box.size.center(Point.origin)), equals(const Point(50.0 + 70.0 / 2.0, 30.0 + 110.0 / 2.0))); tester.pump(const Duration(seconds: 1)); box = key.currentContext.findRenderObject(); expect(box.localToGlobal(box.size.center(Point.origin)), equals(const Point(50.0 - (50.0 - 37.0) / 2.0 + (70.0 - (70.0 - 59.0) / 2.0) / 2.0, 30.0 + (31.0 - 30.0) / 2.0 + (110.0 - (110.0 - 71.0) / 2.0) / 2.0))); tester.pump(const Duration(seconds: 1)); box = key.currentContext.findRenderObject(); expect(box.localToGlobal(box.size.center(Point.origin)), equals(const Point(37.0 + 59.0 / 2.0, 31.0 + 71.0 / 2.0))); }); }); test('AnimatedPositioned - interrupted animation', () { testWidgets((WidgetTester tester) { GlobalKey key = new GlobalKey(); RenderBox box; tester.pumpWidget( new Stack( children: <Widget>[ new AnimatedPositioned( child: new Container(key: key), left: 0.0, top: 0.0, width: 100.0, height: 100.0, duration: const Duration(seconds: 2) ) ] ) ); box = key.currentContext.findRenderObject(); expect(box.localToGlobal(box.size.center(Point.origin)), equals(const Point(50.0, 50.0))); tester.pump(const Duration(seconds: 1)); box = key.currentContext.findRenderObject(); expect(box.localToGlobal(box.size.center(Point.origin)), equals(const Point(50.0, 50.0))); tester.pumpWidget( new Stack( children: <Widget>[ new AnimatedPositioned( child: new Container(key: key), left: 100.0, top: 100.0, width: 100.0, height: 100.0, duration: const Duration(seconds: 2) ) ] ) ); box = key.currentContext.findRenderObject(); expect(box.localToGlobal(box.size.center(Point.origin)), equals(const Point(50.0, 50.0))); tester.pump(const Duration(seconds: 1)); box = key.currentContext.findRenderObject(); expect(box.localToGlobal(box.size.center(Point.origin)), equals(const Point(100.0, 100.0))); tester.pumpWidget( new Stack( children: <Widget>[ new AnimatedPositioned( child: new Container(key: key), left: 150.0, top: 150.0, width: 100.0, height: 100.0, duration: const Duration(seconds: 2) ) ] ) ); box = key.currentContext.findRenderObject(); expect(box.localToGlobal(box.size.center(Point.origin)), equals(const Point(100.0, 100.0))); tester.pump(const Duration(seconds: 1)); box = key.currentContext.findRenderObject(); expect(box.localToGlobal(box.size.center(Point.origin)), equals(const Point(150.0, 150.0))); tester.pump(const Duration(seconds: 1)); box = key.currentContext.findRenderObject(); expect(box.localToGlobal(box.size.center(Point.origin)), equals(const Point(200.0, 200.0))); }); }); test('AnimatedPositioned - switching variables', () { testWidgets((WidgetTester tester) { GlobalKey key = new GlobalKey(); RenderBox box; tester.pumpWidget( new Stack( children: <Widget>[ new AnimatedPositioned( child: new Container(key: key), left: 0.0, top: 0.0, width: 100.0, height: 100.0, duration: const Duration(seconds: 2) ) ] ) ); box = key.currentContext.findRenderObject(); expect(box.localToGlobal(box.size.center(Point.origin)), equals(const Point(50.0, 50.0))); tester.pump(const Duration(seconds: 1)); box = key.currentContext.findRenderObject(); expect(box.localToGlobal(box.size.center(Point.origin)), equals(const Point(50.0, 50.0))); tester.pumpWidget( new Stack( children: <Widget>[ new AnimatedPositioned( child: new Container(key: key), left: 0.0, top: 100.0, right: 100.0, // 700.0 from the left height: 100.0, duration: const Duration(seconds: 2) ) ] ) ); box = key.currentContext.findRenderObject(); expect(box.localToGlobal(box.size.center(Point.origin)), equals(const Point(350.0, 50.0))); tester.pump(const Duration(seconds: 1)); box = key.currentContext.findRenderObject(); expect(box.localToGlobal(box.size.center(Point.origin)), equals(const Point(350.0, 100.0))); tester.pump(const Duration(seconds: 1)); box = key.currentContext.findRenderObject(); expect(box.localToGlobal(box.size.center(Point.origin)), equals(const Point(350.0, 150.0))); }); }); }