| // 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/rendering.dart'; |
| import 'package:flutter/widgets.dart'; |
| |
| Future<Null> test(WidgetTester tester, double offset, EdgeInsetsGeometry padding, AxisDirection axisDirection, TextDirection textDirection) { |
| return tester.pumpWidget( |
| new Directionality( |
| textDirection: textDirection, |
| child: new Viewport( |
| offset: new ViewportOffset.fixed(offset), |
| axisDirection: axisDirection, |
| slivers: <Widget>[ |
| const SliverToBoxAdapter(child: const SizedBox(width: 400.0, height: 400.0, child: const Text('before'))), |
| new SliverPadding( |
| padding: padding, |
| sliver: const SliverToBoxAdapter(child: const SizedBox(width: 400.0, height: 400.0, child: const Text('padded'))), |
| ), |
| const SliverToBoxAdapter(child: const SizedBox(width: 400.0, height: 400.0, child: const Text('after'))), |
| ], |
| ), |
| ), |
| ); |
| } |
| |
| void verify(WidgetTester tester, List<Rect> answerKey) { |
| final List<Rect> testAnswers = tester.renderObjectList<RenderBox>(find.byType(SizedBox, skipOffstage: false)).map<Rect>( |
| (RenderBox target) { |
| final Offset topLeft = target.localToGlobal(Offset.zero); |
| final Offset bottomRight = target.localToGlobal(target.size.bottomRight(Offset.zero)); |
| return new Rect.fromPoints(topLeft, bottomRight); |
| } |
| ).toList(); |
| expect(testAnswers, equals(answerKey)); |
| } |
| |
| void main() { |
| testWidgets('Viewport+SliverPadding basic test (VISUAL)', (WidgetTester tester) async { |
| const EdgeInsets padding = const EdgeInsets.fromLTRB(25.0, 20.0, 15.0, 35.0); |
| await test(tester, 0.0, padding, AxisDirection.down, TextDirection.ltr); |
| expect(tester.renderObject<RenderBox>(find.byType(Viewport)).size, equals(const Size(800.0, 600.0))); |
| verify(tester, <Rect>[ |
| new Rect.fromLTWH(0.0, 0.0, 800.0, 400.0), |
| new Rect.fromLTWH(25.0, 420.0, 760.0, 400.0), |
| new Rect.fromLTWH(0.0, 855.0, 800.0, 400.0), |
| ]); |
| |
| await test(tester, 200.0, padding, AxisDirection.down, TextDirection.ltr); |
| verify(tester, <Rect>[ |
| new Rect.fromLTWH(0.0, -200.0, 800.0, 400.0), |
| new Rect.fromLTWH(25.0, 220.0, 760.0, 400.0), |
| new Rect.fromLTWH(0.0, 655.0, 800.0, 400.0), |
| ]); |
| |
| await test(tester, 390.0, padding, AxisDirection.down, TextDirection.ltr); |
| verify(tester, <Rect>[ |
| new Rect.fromLTWH(0.0, -390.0, 800.0, 400.0), |
| new Rect.fromLTWH(25.0, 30.0, 760.0, 400.0), |
| new Rect.fromLTWH(0.0, 465.0, 800.0, 400.0), |
| ]); |
| |
| await test(tester, 490.0, padding, AxisDirection.down, TextDirection.ltr); |
| verify(tester, <Rect>[ |
| new Rect.fromLTWH(0.0, -490.0, 800.0, 400.0), |
| new Rect.fromLTWH(25.0, -70.0, 760.0, 400.0), |
| new Rect.fromLTWH(0.0, 365.0, 800.0, 400.0), |
| ]); |
| |
| await test(tester, 10000.0, padding, AxisDirection.down, TextDirection.ltr); |
| verify(tester, <Rect>[ |
| new Rect.fromLTWH(0.0, -10000.0, 800.0, 400.0), |
| new Rect.fromLTWH(25.0, -9580.0, 760.0, 400.0), |
| new Rect.fromLTWH(0.0, -9145.0, 800.0, 400.0), |
| ]); |
| }); |
| |
| testWidgets('Viewport+SliverPadding basic test (LTR)', (WidgetTester tester) async { |
| const EdgeInsetsDirectional padding = const EdgeInsetsDirectional.fromSTEB(25.0, 20.0, 15.0, 35.0); |
| await test(tester, 0.0, padding, AxisDirection.down, TextDirection.ltr); |
| expect(tester.renderObject<RenderBox>(find.byType(Viewport)).size, equals(const Size(800.0, 600.0))); |
| verify(tester, <Rect>[ |
| new Rect.fromLTWH(0.0, 0.0, 800.0, 400.0), |
| new Rect.fromLTWH(25.0, 420.0, 760.0, 400.0), |
| new Rect.fromLTWH(0.0, 855.0, 800.0, 400.0), |
| ]); |
| |
| await test(tester, 200.0, padding, AxisDirection.down, TextDirection.ltr); |
| verify(tester, <Rect>[ |
| new Rect.fromLTWH(0.0, -200.0, 800.0, 400.0), |
| new Rect.fromLTWH(25.0, 220.0, 760.0, 400.0), |
| new Rect.fromLTWH(0.0, 655.0, 800.0, 400.0), |
| ]); |
| |
| await test(tester, 390.0, padding, AxisDirection.down, TextDirection.ltr); |
| verify(tester, <Rect>[ |
| new Rect.fromLTWH(0.0, -390.0, 800.0, 400.0), |
| new Rect.fromLTWH(25.0, 30.0, 760.0, 400.0), |
| new Rect.fromLTWH(0.0, 465.0, 800.0, 400.0), |
| ]); |
| |
| await test(tester, 490.0, padding, AxisDirection.down, TextDirection.ltr); |
| verify(tester, <Rect>[ |
| new Rect.fromLTWH(0.0, -490.0, 800.0, 400.0), |
| new Rect.fromLTWH(25.0, -70.0, 760.0, 400.0), |
| new Rect.fromLTWH(0.0, 365.0, 800.0, 400.0), |
| ]); |
| |
| await test(tester, 10000.0, padding, AxisDirection.down, TextDirection.ltr); |
| verify(tester, <Rect>[ |
| new Rect.fromLTWH(0.0, -10000.0, 800.0, 400.0), |
| new Rect.fromLTWH(25.0, -9580.0, 760.0, 400.0), |
| new Rect.fromLTWH(0.0, -9145.0, 800.0, 400.0), |
| ]); |
| }); |
| |
| testWidgets('Viewport+SliverPadding basic test (RTL)', (WidgetTester tester) async { |
| const EdgeInsetsDirectional padding = const EdgeInsetsDirectional.fromSTEB(25.0, 20.0, 15.0, 35.0); |
| await test(tester, 0.0, padding, AxisDirection.down, TextDirection.rtl); |
| expect(tester.renderObject<RenderBox>(find.byType(Viewport)).size, equals(const Size(800.0, 600.0))); |
| verify(tester, <Rect>[ |
| new Rect.fromLTWH(0.0, 0.0, 800.0, 400.0), |
| new Rect.fromLTWH(15.0, 420.0, 760.0, 400.0), |
| new Rect.fromLTWH(0.0, 855.0, 800.0, 400.0), |
| ]); |
| |
| await test(tester, 200.0, padding, AxisDirection.down, TextDirection.rtl); |
| verify(tester, <Rect>[ |
| new Rect.fromLTWH(0.0, -200.0, 800.0, 400.0), |
| new Rect.fromLTWH(15.0, 220.0, 760.0, 400.0), |
| new Rect.fromLTWH(0.0, 655.0, 800.0, 400.0), |
| ]); |
| |
| await test(tester, 390.0, padding, AxisDirection.down, TextDirection.rtl); |
| verify(tester, <Rect>[ |
| new Rect.fromLTWH(0.0, -390.0, 800.0, 400.0), |
| new Rect.fromLTWH(15.0, 30.0, 760.0, 400.0), |
| new Rect.fromLTWH(0.0, 465.0, 800.0, 400.0), |
| ]); |
| |
| await test(tester, 490.0, padding, AxisDirection.down, TextDirection.rtl); |
| verify(tester, <Rect>[ |
| new Rect.fromLTWH(0.0, -490.0, 800.0, 400.0), |
| new Rect.fromLTWH(15.0, -70.0, 760.0, 400.0), |
| new Rect.fromLTWH(0.0, 365.0, 800.0, 400.0), |
| ]); |
| |
| await test(tester, 10000.0, padding, AxisDirection.down, TextDirection.rtl); |
| verify(tester, <Rect>[ |
| new Rect.fromLTWH(0.0, -10000.0, 800.0, 400.0), |
| new Rect.fromLTWH(15.0, -9580.0, 760.0, 400.0), |
| new Rect.fromLTWH(0.0, -9145.0, 800.0, 400.0), |
| ]); |
| }); |
| |
| testWidgets('Viewport+SliverPadding hit testing', (WidgetTester tester) async { |
| const EdgeInsets padding = const EdgeInsets.all(30.0); |
| await test(tester, 350.0, padding, AxisDirection.down, TextDirection.ltr); |
| expect(tester.renderObject<RenderBox>(find.byType(Viewport)).size, equals(const Size(800.0, 600.0))); |
| verify(tester, <Rect>[ |
| new Rect.fromLTWH(0.0, -350.0, 800.0, 400.0), |
| new Rect.fromLTWH(30.0, 80.0, 740.0, 400.0), |
| new Rect.fromLTWH(0.0, 510.0, 800.0, 400.0), |
| ]); |
| HitTestResult result; |
| result = tester.hitTestOnBinding(const Offset(10.0, 10.0)); |
| expect(result.path.first.target, tester.firstRenderObject<RenderObject>(find.byType(Text))); |
| result = tester.hitTestOnBinding(const Offset(10.0, 60.0)); |
| expect(result.path.first.target, const isInstanceOf<RenderView>()); |
| result = tester.hitTestOnBinding(const Offset(100.0, 100.0)); |
| expect(result.path.first.target, tester.renderObjectList<RenderObject>(find.byType(Text)).skip(1).first); |
| result = tester.hitTestOnBinding(const Offset(100.0, 490.0)); |
| expect(result.path.first.target, const isInstanceOf<RenderView>()); |
| result = tester.hitTestOnBinding(const Offset(10.0, 520.0)); |
| expect(result.path.first.target, tester.renderObjectList<RenderObject>(find.byType(Text)).last); |
| }); |
| |
| testWidgets('Viewport+SliverPadding hit testing up', (WidgetTester tester) async { |
| const EdgeInsets padding = const EdgeInsets.all(30.0); |
| await test(tester, 350.0, padding, AxisDirection.up, TextDirection.ltr); |
| expect(tester.renderObject<RenderBox>(find.byType(Viewport)).size, equals(const Size(800.0, 600.0))); |
| verify(tester, <Rect>[ |
| new Rect.fromLTWH(0.0, 600.0+350.0-400.0, 800.0, 400.0), |
| new Rect.fromLTWH(30.0, 600.0-80.0-400.0, 740.0, 400.0), |
| new Rect.fromLTWH(0.0, 600.0-510.0-400.0, 800.0, 400.0), |
| ]); |
| HitTestResult result; |
| result = tester.hitTestOnBinding(const Offset(10.0, 600.0-10.0)); |
| expect(result.path.first.target, tester.firstRenderObject<RenderObject>(find.byType(Text))); |
| result = tester.hitTestOnBinding(const Offset(10.0, 600.0-60.0)); |
| expect(result.path.first.target, const isInstanceOf<RenderView>()); |
| result = tester.hitTestOnBinding(const Offset(100.0, 600.0-100.0)); |
| expect(result.path.first.target, tester.renderObjectList<RenderObject>(find.byType(Text)).skip(1).first); |
| result = tester.hitTestOnBinding(const Offset(100.0, 600.0-490.0)); |
| expect(result.path.first.target, const isInstanceOf<RenderView>()); |
| result = tester.hitTestOnBinding(const Offset(10.0, 600.0-520.0)); |
| expect(result.path.first.target, tester.renderObjectList<RenderObject>(find.byType(Text)).last); |
| }); |
| |
| testWidgets('Viewport+SliverPadding hit testing left', (WidgetTester tester) async { |
| const EdgeInsets padding = const EdgeInsets.all(30.0); |
| await test(tester, 350.0, padding, AxisDirection.left, TextDirection.ltr); |
| expect(tester.renderObject<RenderBox>(find.byType(Viewport)).size, equals(const Size(800.0, 600.0))); |
| verify(tester, <Rect>[ |
| new Rect.fromLTWH(800.0+350.0-400.0, 0.0, 400.0, 600.0), |
| new Rect.fromLTWH(800.0-80.0-400.0, 30.0, 400.0, 540.0), |
| new Rect.fromLTWH(800.0-510.0-400.0, 0.0, 400.0, 600.0), |
| ]); |
| HitTestResult result; |
| result = tester.hitTestOnBinding(const Offset(800.0-10.0, 10.0)); |
| expect(result.path.first.target, tester.firstRenderObject<RenderObject>(find.byType(Text))); |
| result = tester.hitTestOnBinding(const Offset(800.0-60.0, 10.0)); |
| expect(result.path.first.target, const isInstanceOf<RenderView>()); |
| result = tester.hitTestOnBinding(const Offset(800.0-100.0, 100.0)); |
| expect(result.path.first.target, tester.renderObjectList<RenderObject>(find.byType(Text)).skip(1).first); |
| result = tester.hitTestOnBinding(const Offset(800.0-490.0, 100.0)); |
| expect(result.path.first.target, const isInstanceOf<RenderView>()); |
| result = tester.hitTestOnBinding(const Offset(800.0-520.0, 10.0)); |
| expect(result.path.first.target, tester.renderObjectList<RenderObject>(find.byType(Text)).last); |
| }); |
| |
| testWidgets('Viewport+SliverPadding hit testing right', (WidgetTester tester) async { |
| const EdgeInsets padding = const EdgeInsets.all(30.0); |
| await test(tester, 350.0, padding, AxisDirection.right, TextDirection.ltr); |
| expect(tester.renderObject<RenderBox>(find.byType(Viewport)).size, equals(const Size(800.0, 600.0))); |
| verify(tester, <Rect>[ |
| new Rect.fromLTWH(-350.0, 0.0, 400.0, 600.0), |
| new Rect.fromLTWH(80.0, 30.0, 400.0, 540.0), |
| new Rect.fromLTWH(510.0, 0.0, 400.0, 600.0), |
| ]); |
| HitTestResult result; |
| result = tester.hitTestOnBinding(const Offset(10.0, 10.0)); |
| expect(result.path.first.target, tester.firstRenderObject<RenderObject>(find.byType(Text))); |
| result = tester.hitTestOnBinding(const Offset(60.0, 10.0)); |
| expect(result.path.first.target, const isInstanceOf<RenderView>()); |
| result = tester.hitTestOnBinding(const Offset(100.0, 100.0)); |
| expect(result.path.first.target, tester.renderObjectList<RenderObject>(find.byType(Text)).skip(1).first); |
| result = tester.hitTestOnBinding(const Offset(490.0, 100.0)); |
| expect(result.path.first.target, const isInstanceOf<RenderView>()); |
| result = tester.hitTestOnBinding(const Offset(520.0, 10.0)); |
| expect(result.path.first.target, tester.renderObjectList<RenderObject>(find.byType(Text)).last); |
| }); |
| |
| testWidgets('Viewport+SliverPadding no child', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| new Directionality( |
| textDirection: TextDirection.ltr, |
| child: new Viewport( |
| offset: new ViewportOffset.fixed(0.0), |
| slivers: const <Widget>[ |
| const SliverPadding(padding: const EdgeInsets.all(100.0)), |
| const SliverToBoxAdapter(child: const SizedBox(width: 400.0, height: 400.0, child: const Text('x'))), |
| ], |
| ), |
| ), |
| ); |
| expect(tester.renderObject<RenderBox>(find.text('x')).localToGlobal(Offset.zero), const Offset(0.0, 200.0)); |
| }); |
| |
| testWidgets('Viewport+SliverPadding changing padding', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| new Directionality( |
| textDirection: TextDirection.ltr, |
| child: new Viewport( |
| axisDirection: AxisDirection.left, |
| offset: new ViewportOffset.fixed(0.0), |
| slivers: const <Widget>[ |
| const SliverPadding(padding: const EdgeInsets.fromLTRB(90.0, 1.0, 110.0, 2.0)), |
| const SliverToBoxAdapter(child: const SizedBox(width: 201.0, child: const Text('x'))), |
| ], |
| ), |
| ), |
| ); |
| expect(tester.renderObject<RenderBox>(find.text('x')).localToGlobal(Offset.zero), const Offset(399.0, 0.0)); |
| await tester.pumpWidget( |
| new Directionality( |
| textDirection: TextDirection.ltr, |
| child: new Viewport( |
| axisDirection: AxisDirection.left, |
| offset: new ViewportOffset.fixed(0.0), |
| slivers: const <Widget>[ |
| const SliverPadding(padding: const EdgeInsets.fromLTRB(110.0, 1.0, 80.0, 2.0)), |
| const SliverToBoxAdapter(child: const SizedBox(width: 201.0, child: const Text('x'))), |
| ], |
| ), |
| ), |
| ); |
| expect(tester.renderObject<RenderBox>(find.text('x')).localToGlobal(Offset.zero), const Offset(409.0, 0.0)); |
| }); |
| |
| testWidgets('Viewport+SliverPadding changing direction', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| new Directionality( |
| textDirection: TextDirection.ltr, |
| child: new Viewport( |
| axisDirection: AxisDirection.up, |
| offset: new ViewportOffset.fixed(0.0), |
| slivers: const <Widget>[ |
| const SliverPadding(padding: const EdgeInsets.fromLTRB(1.0, 2.0, 4.0, 8.0)), |
| ], |
| ), |
| ), |
| ); |
| expect(tester.renderObject<RenderSliverPadding>(find.byType(SliverPadding)).afterPadding, 2.0); |
| await tester.pumpWidget( |
| new Directionality( |
| textDirection: TextDirection.ltr, |
| child: new Viewport( |
| axisDirection: AxisDirection.down, |
| offset: new ViewportOffset.fixed(0.0), |
| slivers: const <Widget>[ |
| const SliverPadding(padding: const EdgeInsets.fromLTRB(1.0, 2.0, 4.0, 8.0)), |
| ], |
| ), |
| ), |
| ); |
| expect(tester.renderObject<RenderSliverPadding>(find.byType(SliverPadding)).afterPadding, 8.0); |
| await tester.pumpWidget( |
| new Directionality( |
| textDirection: TextDirection.ltr, |
| child: new Viewport( |
| axisDirection: AxisDirection.right, |
| offset: new ViewportOffset.fixed(0.0), |
| slivers: const <Widget>[ |
| const SliverPadding(padding: const EdgeInsets.fromLTRB(1.0, 2.0, 4.0, 8.0)), |
| ], |
| ), |
| ), |
| ); |
| expect(tester.renderObject<RenderSliverPadding>(find.byType(SliverPadding)).afterPadding, 4.0); |
| await tester.pumpWidget( |
| new Directionality( |
| textDirection: TextDirection.ltr, |
| child: new Viewport( |
| axisDirection: AxisDirection.left, |
| offset: new ViewportOffset.fixed(0.0), |
| slivers: const <Widget>[ |
| const SliverPadding(padding: const EdgeInsets.fromLTRB(1.0, 2.0, 4.0, 8.0)), |
| ], |
| ), |
| ), |
| ); |
| expect(tester.renderObject<RenderSliverPadding>(find.byType(SliverPadding)).afterPadding, 1.0); |
| await tester.pumpWidget( |
| new Directionality( |
| textDirection: TextDirection.ltr, |
| child: new Viewport( |
| axisDirection: AxisDirection.left, |
| offset: new ViewportOffset.fixed(99999.9), |
| slivers: const <Widget>[ |
| const SliverPadding(padding: const EdgeInsets.fromLTRB(1.0, 2.0, 4.0, 8.0)), |
| ], |
| ), |
| ), |
| ); |
| expect(tester.renderObject<RenderSliverPadding>(find.byType(SliverPadding)).afterPadding, 1.0); |
| }); |
| |
| testWidgets('SliverPadding propagates geometry offset corrections', (WidgetTester tester) async { |
| Widget listBuilder(IndexedWidgetBuilder sliverChildBuilder) { |
| return new Directionality( |
| textDirection: TextDirection.ltr, |
| child: new CustomScrollView( |
| cacheExtent: 0.0, |
| slivers: <Widget>[ |
| new SliverPadding( |
| padding: EdgeInsets.zero, |
| sliver: new SliverList( |
| delegate: new SliverChildBuilderDelegate( |
| sliverChildBuilder, |
| childCount: 10, |
| ), |
| ), |
| ), |
| ], |
| ), |
| ); |
| } |
| |
| await tester.pumpWidget( |
| listBuilder( |
| (BuildContext context, int index) { |
| return new Container( |
| height: 200.0, |
| child: new Center( |
| child: new Text(index.toString()), |
| ), |
| ); |
| }, |
| ), |
| ); |
| |
| await tester.drag(find.text('2'), const Offset(0.0, -300.0)); |
| await tester.pump(); |
| |
| expect( |
| tester.getRect(find.widgetWithText(Container, '2')), |
| new Rect.fromLTRB(0.0, 100.0, 800.0, 300.0), |
| ); |
| |
| // Now item 0 is 400.0px and going back will underflow. |
| await tester.pumpWidget( |
| listBuilder( |
| (BuildContext context, int index) { |
| return new Container( |
| height: index == 0 ? 400.0 : 200.0, |
| child: new Center( |
| child: new Text(index.toString()), |
| ), |
| ); |
| }, |
| ), |
| ); |
| |
| await tester.drag(find.text('2'), const Offset(0.0, 300.0)); |
| // On this one frame, the scroll correction must properly propagate. |
| await tester.pump(); |
| |
| expect( |
| tester.getRect(find.widgetWithText(Container, '0')), |
| new Rect.fromLTRB(0.0, -200.0, 800.0, 200.0), |
| ); |
| }); |
| } |
