// 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/widgets.dart'; import 'package:flutter_test/flutter_test.dart'; void main() { testWidgets('AnimatedAlign.debugFillProperties', (WidgetTester tester) async { const AnimatedAlign box = AnimatedAlign( alignment: Alignment.topCenter, curve: Curves.ease, duration: Duration(milliseconds: 200), ); expect(box, hasOneLineDescription); }); testWidgets('AnimatedAlign alignment visual-to-directional animation', (WidgetTester tester) async { final Key target = UniqueKey(); await tester.pumpWidget( Directionality( textDirection: TextDirection.rtl, child: AnimatedAlign( duration: const Duration(milliseconds: 200), alignment: Alignment.topRight, child: SizedBox(key: target, width: 100.0, height: 200.0), ), ), ); expect(tester.getSize(find.byKey(target)), const Size(100.0, 200.0)); expect(tester.getTopRight(find.byKey(target)), const Offset(800.0, 0.0)); await tester.pumpWidget( Directionality( textDirection: TextDirection.rtl, child: AnimatedAlign( duration: const Duration(milliseconds: 200), alignment: AlignmentDirectional.bottomStart, child: SizedBox(key: target, width: 100.0, height: 200.0), ), ), ); expect(tester.getSize(find.byKey(target)), const Size(100.0, 200.0)); expect(tester.getTopRight(find.byKey(target)), const Offset(800.0, 0.0)); await tester.pump(const Duration(milliseconds: 100)); expect(tester.getSize(find.byKey(target)), const Size(100.0, 200.0)); expect(tester.getTopRight(find.byKey(target)), const Offset(800.0, 200.0)); await tester.pump(const Duration(milliseconds: 500)); expect(tester.getSize(find.byKey(target)), const Size(100.0, 200.0)); expect(tester.getTopRight(find.byKey(target)), const Offset(800.0, 400.0)); }); testWidgets('AnimatedAlign widthFactor', (WidgetTester tester) async { await tester.pumpWidget( Directionality( textDirection: TextDirection.ltr, child: Row( mainAxisSize: MainAxisSize.min, children: const <Widget>[ AnimatedAlign( alignment: Alignment.center, curve: Curves.ease, widthFactor: 0.5, duration: Duration(milliseconds: 200), child: SizedBox( height: 100.0, width: 100.0, ), ), ], ), ), ); final RenderBox box = tester.renderObject<RenderBox>(find.byType(AnimatedAlign)); expect(box.size.width, equals(50.0)); }); testWidgets('AnimatedAlign heightFactor', (WidgetTester tester) async { await tester.pumpWidget( Directionality( textDirection: TextDirection.ltr, child: Column( children: const <Widget>[ AnimatedAlign( alignment: Alignment.center, curve: Curves.ease, heightFactor: 0.5, duration: Duration(milliseconds: 200), child: SizedBox( height: 100.0, width: 100.0, ), ), ], ), ), ); final RenderBox box = tester.renderObject<RenderBox>(find.byType(AnimatedAlign)); expect(box.size.height, equals( 50.0)); }); testWidgets('AnimatedAlign null height factor', (WidgetTester tester) async { await tester.pumpWidget( Directionality( textDirection: TextDirection.ltr, child: Column( mainAxisAlignment: MainAxisAlignment.center, children: const <Widget>[ AnimatedAlign( alignment: Alignment.center, curve: Curves.ease, duration: Duration(milliseconds: 200), child: SizedBox( height: 100.0, width: 100.0, ), ), ], ), ), ); final RenderBox box = tester.renderObject<RenderBox>(find.byType(SizedBox)); expect(box.size, equals(const Size(100.0, 100))); }); testWidgets('AnimatedAlign null widthFactor', (WidgetTester tester) async { await tester.pumpWidget( Directionality( textDirection: TextDirection.ltr, child: SizedBox.shrink( child: Row( mainAxisSize: MainAxisSize.min, mainAxisAlignment: MainAxisAlignment.center, children: const <Widget>[ AnimatedAlign( alignment: Alignment.center, curve: Curves.ease, duration: Duration(milliseconds: 200), child: SizedBox( height: 100.0, width: 100.0, ), ), ], ), ), ), ); final RenderBox box = tester.renderObject<RenderBox>(find.byType(SizedBox).last); expect(box.size, equals(const Size(100.0, 100))); }); }