| // 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_test/flutter_test.dart'; |
| import 'package:flutter/rendering.dart'; |
| import 'package:flutter/widgets.dart'; |
| |
| void main() { |
| testWidgets('Align smoke test', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| Align( |
| child: Container(), |
| alignment: const Alignment(0.50, 0.50), |
| ), |
| ); |
| |
| await tester.pumpWidget( |
| Align( |
| child: Container(), |
| alignment: const Alignment(0.0, 0.0), |
| ), |
| ); |
| |
| await tester.pumpWidget( |
| const Align( |
| key: GlobalObjectKey<State<StatefulWidget>>(null), |
| alignment: Alignment.topLeft, |
| ), |
| ); |
| await tester.pumpWidget(const Directionality( |
| textDirection: TextDirection.rtl, |
| child: Align( |
| key: GlobalObjectKey<State<StatefulWidget>>(null), |
| alignment: AlignmentDirectional.topStart, |
| ), |
| )); |
| await tester.pumpWidget( |
| const Align( |
| key: GlobalObjectKey<State<StatefulWidget>>(null), |
| alignment: Alignment.topLeft, |
| ), |
| ); |
| }); |
| |
| testWidgets('Align control test (LTR)', (WidgetTester tester) async { |
| await tester.pumpWidget(const Directionality( |
| textDirection: TextDirection.ltr, |
| child: Align( |
| child: SizedBox(width: 100.0, height: 80.0), |
| alignment: AlignmentDirectional.topStart, |
| ), |
| )); |
| |
| expect(tester.getTopLeft(find.byType(SizedBox)).dx, 0.0); |
| expect(tester.getBottomRight(find.byType(SizedBox)).dx, 100.0); |
| |
| await tester.pumpWidget(const Directionality( |
| textDirection: TextDirection.ltr, |
| child: Align( |
| child: SizedBox(width: 100.0, height: 80.0), |
| alignment: Alignment.topLeft, |
| ), |
| )); |
| |
| expect(tester.getTopLeft(find.byType(SizedBox)).dx, 0.0); |
| expect(tester.getBottomRight(find.byType(SizedBox)).dx, 100.0); |
| }); |
| |
| testWidgets('Align control test (RTL)', (WidgetTester tester) async { |
| await tester.pumpWidget(const Directionality( |
| textDirection: TextDirection.rtl, |
| child: Align( |
| child: SizedBox(width: 100.0, height: 80.0), |
| alignment: AlignmentDirectional.topStart, |
| ), |
| )); |
| |
| expect(tester.getTopLeft(find.byType(SizedBox)).dx, 700.0); |
| expect(tester.getBottomRight(find.byType(SizedBox)).dx, 800.0); |
| |
| await tester.pumpWidget(const Directionality( |
| textDirection: TextDirection.ltr, |
| child: Align( |
| child: SizedBox(width: 100.0, height: 80.0), |
| alignment: Alignment.topLeft, |
| ), |
| )); |
| |
| expect(tester.getTopLeft(find.byType(SizedBox)).dx, 0.0); |
| expect(tester.getBottomRight(find.byType(SizedBox)).dx, 100.0); |
| }); |
| |
| testWidgets('Shrink wraps in finite space', (WidgetTester tester) async { |
| final GlobalKey alignKey = GlobalKey(); |
| await tester.pumpWidget( |
| SingleChildScrollView( |
| child: Align( |
| key: alignKey, |
| child: const SizedBox( |
| width: 10.0, |
| height: 10.0, |
| ), |
| alignment: const Alignment(0.0, 0.0), |
| ), |
| ), |
| ); |
| |
| final Size size = alignKey.currentContext.size; |
| expect(size.width, equals(800.0)); |
| expect(size.height, equals(10.0)); |
| }); |
| } |