// Copyright 2016 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'; void main() { testWidgets('Padding RTL', (WidgetTester tester) async { const Widget child = Padding( padding: EdgeInsetsDirectional.only(start: 10.0), child: Placeholder(), ); await tester.pumpWidget(const Directionality( textDirection: TextDirection.ltr, child: child, )); expect(tester.getTopLeft(find.byType(Placeholder)), const Offset(10.0, 0.0)); await tester.pumpWidget(const Directionality( textDirection: TextDirection.rtl, child: child, )); expect(tester.getTopLeft(find.byType(Placeholder)), const Offset(0.0, 0.0)); await tester.pumpWidget( const Padding( key: GlobalObjectKey<State<StatefulWidget>>(null), padding: EdgeInsets.only(left: 1.0), ), ); await tester.pumpWidget(const Directionality( textDirection: TextDirection.rtl, child: Padding( key: GlobalObjectKey<State<StatefulWidget>>(null), padding: EdgeInsetsDirectional.only(start: 1.0), ), )); await tester.pumpWidget( const Padding( key: GlobalObjectKey<State<StatefulWidget>>(null), padding: EdgeInsets.only(left: 1.0), ), ); }); testWidgets('Container padding/margin RTL', (WidgetTester tester) async { final Widget child = Container( padding: const EdgeInsetsDirectional.only(start: 6.0), margin: const EdgeInsetsDirectional.only(end: 20.0, start: 4.0), child: const Placeholder(), ); await tester.pumpWidget(Directionality( textDirection: TextDirection.ltr, child: child, )); expect(tester.getTopLeft(find.byType(Placeholder)), const Offset(10.0, 0.0)); expect(tester.getTopRight(find.byType(Placeholder)), const Offset(780.0, 0.0)); await tester.pumpWidget(Directionality( textDirection: TextDirection.rtl, child: child, )); expect(tester.getTopLeft(find.byType(Placeholder)), const Offset(20.0, 0.0)); expect(tester.getTopRight(find.byType(Placeholder)), const Offset(790.0, 0.0)); }); testWidgets('Container padding/margin mixed RTL/absolute', (WidgetTester tester) async { final Widget child = Container( padding: const EdgeInsets.only(left: 6.0), margin: const EdgeInsetsDirectional.only(end: 20.0, start: 4.0), child: const Placeholder(), ); await tester.pumpWidget(Directionality( textDirection: TextDirection.ltr, child: child, )); expect(tester.getTopLeft(find.byType(Placeholder)), const Offset(10.0, 0.0)); expect(tester.getTopRight(find.byType(Placeholder)), const Offset(780.0, 0.0)); await tester.pumpWidget(Directionality( textDirection: TextDirection.rtl, child: child, )); expect(tester.getTopLeft(find.byType(Placeholder)), const Offset(26.0, 0.0)); expect(tester.getTopRight(find.byType(Placeholder)), const Offset(796.0, 0.0)); }); testWidgets('EdgeInsetsDirectional without Directionality', (WidgetTester tester) async { await tester.pumpWidget(const Padding(padding: EdgeInsetsDirectional.only())); expect(tester.takeException(), isAssertionError); }); }