| // 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('OverflowBox control test', (WidgetTester tester) async { |
| final GlobalKey inner = GlobalKey(); |
| await tester.pumpWidget(Align( |
| alignment: const Alignment(1.0, 1.0), |
| child: SizedBox( |
| width: 10.0, |
| height: 20.0, |
| child: OverflowBox( |
| minWidth: 0.0, |
| maxWidth: 100.0, |
| minHeight: 0.0, |
| maxHeight: 50.0, |
| child: Container( |
| key: inner |
| ), |
| ), |
| ), |
| )); |
| final RenderBox box = inner.currentContext.findRenderObject() as RenderBox; |
| expect(box.localToGlobal(Offset.zero), equals(const Offset(745.0, 565.0))); |
| expect(box.size, equals(const Size(100.0, 50.0))); |
| }); |
| |
| testWidgets('OverflowBox implements debugFillProperties', (WidgetTester tester) async { |
| final DiagnosticPropertiesBuilder builder = DiagnosticPropertiesBuilder(); |
| const OverflowBox( |
| minWidth: 1.0, |
| maxWidth: 2.0, |
| minHeight: 3.0, |
| maxHeight: 4.0, |
| ).debugFillProperties(builder); |
| final List<String> description = builder.properties |
| .where((DiagnosticsNode n) => !n.isFiltered(DiagnosticLevel.info)) |
| .map((DiagnosticsNode n) => n.toString()).toList(); |
| expect(description, <String>[ |
| 'alignment: center', |
| 'minWidth: 1.0', |
| 'maxWidth: 2.0', |
| 'minHeight: 3.0', |
| 'maxHeight: 4.0', |
| ]); |
| }); |
| |
| testWidgets('SizedOverflowBox alignment', (WidgetTester tester) async { |
| final GlobalKey inner = GlobalKey(); |
| await tester.pumpWidget(Directionality( |
| textDirection: TextDirection.rtl, |
| child: Center( |
| child: SizedOverflowBox( |
| size: const Size(100.0, 100.0), |
| alignment: Alignment.topRight, |
| child: Container(height: 50.0, width: 50.0, key: inner), |
| ), |
| ), |
| )); |
| final RenderBox box = inner.currentContext.findRenderObject() as RenderBox; |
| expect(box.size, equals(const Size(50.0, 50.0))); |
| expect( |
| box.localToGlobal(box.size.center(Offset.zero)), |
| equals(const Offset( |
| (800.0 - 100.0) / 2.0 + 100.0 - 50.0 / 2.0, |
| (600.0 - 100.0) / 2.0 + 0.0 + 50.0 / 2.0, |
| )), |
| ); |
| }); |
| |
| testWidgets('SizedOverflowBox alignment (direction-sensitive)', (WidgetTester tester) async { |
| final GlobalKey inner = GlobalKey(); |
| await tester.pumpWidget(Directionality( |
| textDirection: TextDirection.rtl, |
| child: Center( |
| child: SizedOverflowBox( |
| size: const Size(100.0, 100.0), |
| alignment: AlignmentDirectional.bottomStart, |
| child: Container(height: 50.0, width: 50.0, key: inner), |
| ), |
| ), |
| )); |
| final RenderBox box = inner.currentContext.findRenderObject() as RenderBox; |
| expect(box.size, equals(const Size(50.0, 50.0))); |
| expect( |
| box.localToGlobal(box.size.center(Offset.zero)), |
| equals(const Offset( |
| (800.0 - 100.0) / 2.0 + 100.0 - 50.0 / 2.0, |
| (600.0 - 100.0) / 2.0 + 100.0 - 50.0 / 2.0, |
| )), |
| ); |
| }); |
| } |