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502
packages/flutter_web/test/widgets/slivers_padding_test.dart
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502
packages/flutter_web/test/widgets/slivers_padding_test.dart
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// Copyright 2016 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'package:flutter_web_test/flutter_web_test.dart';
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import 'package:flutter_web/rendering.dart';
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import 'package:flutter_web/widgets.dart';
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Future<void> test(
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WidgetTester tester,
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double offset,
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EdgeInsetsGeometry padding,
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AxisDirection axisDirection,
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TextDirection textDirection) {
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return tester.pumpWidget(
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Directionality(
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textDirection: textDirection,
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child: Viewport(
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offset: ViewportOffset.fixed(offset),
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axisDirection: axisDirection,
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slivers: <Widget>[
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const SliverToBoxAdapter(
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child:
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SizedBox(width: 400.0, height: 400.0, child: Text('before'))),
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SliverPadding(
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padding: padding,
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sliver: const SliverToBoxAdapter(
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child: SizedBox(
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width: 400.0, height: 400.0, child: Text('padded'))),
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),
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const SliverToBoxAdapter(
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child:
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SizedBox(width: 400.0, height: 400.0, child: Text('after'))),
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],
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),
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),
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);
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}
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void verify(WidgetTester tester, List<Rect> answerKey) {
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final List<Rect> testAnswers = tester
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.renderObjectList<RenderBox>(find.byType(SizedBox, skipOffstage: false))
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.map<Rect>((RenderBox target) {
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final Offset topLeft = target.localToGlobal(Offset.zero);
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final Offset bottomRight =
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target.localToGlobal(target.size.bottomRight(Offset.zero));
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return Rect.fromPoints(topLeft, bottomRight);
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}).toList();
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expect(testAnswers, equals(answerKey));
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}
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void main() {
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testWidgets('Viewport+SliverPadding basic test (VISUAL)',
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(WidgetTester tester) async {
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const EdgeInsets padding = EdgeInsets.fromLTRB(25.0, 20.0, 15.0, 35.0);
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await test(tester, 0.0, padding, AxisDirection.down, TextDirection.ltr);
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expect(tester.renderObject<RenderBox>(find.byType(Viewport)).size,
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equals(const Size(800.0, 600.0)));
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verify(tester, <Rect>[
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Rect.fromLTWH(0.0, 0.0, 800.0, 400.0),
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Rect.fromLTWH(25.0, 420.0, 760.0, 400.0),
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Rect.fromLTWH(0.0, 855.0, 800.0, 400.0),
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]);
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await test(tester, 200.0, padding, AxisDirection.down, TextDirection.ltr);
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verify(tester, <Rect>[
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Rect.fromLTWH(0.0, -200.0, 800.0, 400.0),
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Rect.fromLTWH(25.0, 220.0, 760.0, 400.0),
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Rect.fromLTWH(0.0, 655.0, 800.0, 400.0),
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]);
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await test(tester, 390.0, padding, AxisDirection.down, TextDirection.ltr);
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verify(tester, <Rect>[
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Rect.fromLTWH(0.0, -390.0, 800.0, 400.0),
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Rect.fromLTWH(25.0, 30.0, 760.0, 400.0),
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Rect.fromLTWH(0.0, 465.0, 800.0, 400.0),
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]);
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await test(tester, 490.0, padding, AxisDirection.down, TextDirection.ltr);
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verify(tester, <Rect>[
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Rect.fromLTWH(0.0, -490.0, 800.0, 400.0),
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Rect.fromLTWH(25.0, -70.0, 760.0, 400.0),
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Rect.fromLTWH(0.0, 365.0, 800.0, 400.0),
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]);
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await test(tester, 10000.0, padding, AxisDirection.down, TextDirection.ltr);
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verify(tester, <Rect>[
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Rect.fromLTWH(0.0, -10000.0, 800.0, 400.0),
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Rect.fromLTWH(25.0, -9580.0, 760.0, 400.0),
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Rect.fromLTWH(0.0, -9145.0, 800.0, 400.0),
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]);
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});
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testWidgets('Viewport+SliverPadding basic test (LTR)',
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(WidgetTester tester) async {
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const EdgeInsetsDirectional padding =
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EdgeInsetsDirectional.fromSTEB(25.0, 20.0, 15.0, 35.0);
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await test(tester, 0.0, padding, AxisDirection.down, TextDirection.ltr);
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expect(tester.renderObject<RenderBox>(find.byType(Viewport)).size,
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equals(const Size(800.0, 600.0)));
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verify(tester, <Rect>[
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Rect.fromLTWH(0.0, 0.0, 800.0, 400.0),
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Rect.fromLTWH(25.0, 420.0, 760.0, 400.0),
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Rect.fromLTWH(0.0, 855.0, 800.0, 400.0),
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]);
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await test(tester, 200.0, padding, AxisDirection.down, TextDirection.ltr);
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verify(tester, <Rect>[
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Rect.fromLTWH(0.0, -200.0, 800.0, 400.0),
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Rect.fromLTWH(25.0, 220.0, 760.0, 400.0),
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Rect.fromLTWH(0.0, 655.0, 800.0, 400.0),
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]);
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await test(tester, 390.0, padding, AxisDirection.down, TextDirection.ltr);
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verify(tester, <Rect>[
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Rect.fromLTWH(0.0, -390.0, 800.0, 400.0),
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Rect.fromLTWH(25.0, 30.0, 760.0, 400.0),
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Rect.fromLTWH(0.0, 465.0, 800.0, 400.0),
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]);
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await test(tester, 490.0, padding, AxisDirection.down, TextDirection.ltr);
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verify(tester, <Rect>[
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Rect.fromLTWH(0.0, -490.0, 800.0, 400.0),
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Rect.fromLTWH(25.0, -70.0, 760.0, 400.0),
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Rect.fromLTWH(0.0, 365.0, 800.0, 400.0),
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]);
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await test(tester, 10000.0, padding, AxisDirection.down, TextDirection.ltr);
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verify(tester, <Rect>[
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Rect.fromLTWH(0.0, -10000.0, 800.0, 400.0),
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Rect.fromLTWH(25.0, -9580.0, 760.0, 400.0),
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Rect.fromLTWH(0.0, -9145.0, 800.0, 400.0),
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]);
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});
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testWidgets('Viewport+SliverPadding basic test (RTL)',
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(WidgetTester tester) async {
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const EdgeInsetsDirectional padding =
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EdgeInsetsDirectional.fromSTEB(25.0, 20.0, 15.0, 35.0);
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await test(tester, 0.0, padding, AxisDirection.down, TextDirection.rtl);
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expect(tester.renderObject<RenderBox>(find.byType(Viewport)).size,
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equals(const Size(800.0, 600.0)));
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verify(tester, <Rect>[
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Rect.fromLTWH(0.0, 0.0, 800.0, 400.0),
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Rect.fromLTWH(15.0, 420.0, 760.0, 400.0),
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Rect.fromLTWH(0.0, 855.0, 800.0, 400.0),
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]);
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await test(tester, 200.0, padding, AxisDirection.down, TextDirection.rtl);
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verify(tester, <Rect>[
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Rect.fromLTWH(0.0, -200.0, 800.0, 400.0),
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Rect.fromLTWH(15.0, 220.0, 760.0, 400.0),
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Rect.fromLTWH(0.0, 655.0, 800.0, 400.0),
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]);
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await test(tester, 390.0, padding, AxisDirection.down, TextDirection.rtl);
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verify(tester, <Rect>[
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Rect.fromLTWH(0.0, -390.0, 800.0, 400.0),
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Rect.fromLTWH(15.0, 30.0, 760.0, 400.0),
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Rect.fromLTWH(0.0, 465.0, 800.0, 400.0),
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]);
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await test(tester, 490.0, padding, AxisDirection.down, TextDirection.rtl);
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verify(tester, <Rect>[
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Rect.fromLTWH(0.0, -490.0, 800.0, 400.0),
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Rect.fromLTWH(15.0, -70.0, 760.0, 400.0),
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Rect.fromLTWH(0.0, 365.0, 800.0, 400.0),
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]);
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await test(tester, 10000.0, padding, AxisDirection.down, TextDirection.rtl);
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verify(tester, <Rect>[
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Rect.fromLTWH(0.0, -10000.0, 800.0, 400.0),
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Rect.fromLTWH(15.0, -9580.0, 760.0, 400.0),
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Rect.fromLTWH(0.0, -9145.0, 800.0, 400.0),
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]);
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});
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testWidgets('Viewport+SliverPadding hit testing',
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(WidgetTester tester) async {
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const EdgeInsets padding = EdgeInsets.all(30.0);
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await test(tester, 350.0, padding, AxisDirection.down, TextDirection.ltr);
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expect(tester.renderObject<RenderBox>(find.byType(Viewport)).size,
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equals(const Size(800.0, 600.0)));
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verify(tester, <Rect>[
|
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Rect.fromLTWH(0.0, -350.0, 800.0, 400.0),
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Rect.fromLTWH(30.0, 80.0, 740.0, 400.0),
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Rect.fromLTWH(0.0, 510.0, 800.0, 400.0),
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]);
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HitTestResult result;
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result = tester.hitTestOnBinding(const Offset(10.0, 10.0));
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expect(result.path.first.target,
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tester.firstRenderObject<RenderObject>(find.byType(Text)));
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result = tester.hitTestOnBinding(const Offset(10.0, 60.0));
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expect(result.path.first.target, isInstanceOf<RenderView>());
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result = tester.hitTestOnBinding(const Offset(100.0, 100.0));
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expect(result.path.first.target,
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tester.renderObjectList<RenderObject>(find.byType(Text)).skip(1).first);
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result = tester.hitTestOnBinding(const Offset(100.0, 490.0));
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expect(result.path.first.target, isInstanceOf<RenderView>());
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result = tester.hitTestOnBinding(const Offset(10.0, 520.0));
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expect(result.path.first.target,
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tester.renderObjectList<RenderObject>(find.byType(Text)).last);
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});
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testWidgets('Viewport+SliverPadding hit testing up',
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(WidgetTester tester) async {
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const EdgeInsets padding = EdgeInsets.all(30.0);
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await test(tester, 350.0, padding, AxisDirection.up, TextDirection.ltr);
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expect(tester.renderObject<RenderBox>(find.byType(Viewport)).size,
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equals(const Size(800.0, 600.0)));
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verify(tester, <Rect>[
|
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Rect.fromLTWH(0.0, 600.0 + 350.0 - 400.0, 800.0, 400.0),
|
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Rect.fromLTWH(30.0, 600.0 - 80.0 - 400.0, 740.0, 400.0),
|
||||
Rect.fromLTWH(0.0, 600.0 - 510.0 - 400.0, 800.0, 400.0),
|
||||
]);
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HitTestResult result;
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result = tester.hitTestOnBinding(const Offset(10.0, 600.0 - 10.0));
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expect(result.path.first.target,
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tester.firstRenderObject<RenderObject>(find.byType(Text)));
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result = tester.hitTestOnBinding(const Offset(10.0, 600.0 - 60.0));
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||||
expect(result.path.first.target, isInstanceOf<RenderView>());
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||||
result = tester.hitTestOnBinding(const Offset(100.0, 600.0 - 100.0));
|
||||
expect(result.path.first.target,
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tester.renderObjectList<RenderObject>(find.byType(Text)).skip(1).first);
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result = tester.hitTestOnBinding(const Offset(100.0, 600.0 - 490.0));
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expect(result.path.first.target, isInstanceOf<RenderView>());
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||||
result = tester.hitTestOnBinding(const Offset(10.0, 600.0 - 520.0));
|
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expect(result.path.first.target,
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||||
tester.renderObjectList<RenderObject>(find.byType(Text)).last);
|
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});
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||||
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testWidgets('Viewport+SliverPadding hit testing left',
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(WidgetTester tester) async {
|
||||
const EdgeInsets padding = 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>[
|
||||
Rect.fromLTWH(800.0 + 350.0 - 400.0, 0.0, 400.0, 600.0),
|
||||
Rect.fromLTWH(800.0 - 80.0 - 400.0, 30.0, 400.0, 540.0),
|
||||
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, 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, 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 = 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>[
|
||||
Rect.fromLTWH(-350.0, 0.0, 400.0, 600.0),
|
||||
Rect.fromLTWH(80.0, 30.0, 400.0, 540.0),
|
||||
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, 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, 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(
|
||||
Directionality(
|
||||
textDirection: TextDirection.ltr,
|
||||
child: Viewport(
|
||||
offset: ViewportOffset.fixed(0.0),
|
||||
slivers: const <Widget>[
|
||||
SliverPadding(padding: EdgeInsets.all(100.0)),
|
||||
SliverToBoxAdapter(
|
||||
child: SizedBox(width: 400.0, height: 400.0, child: 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(
|
||||
Directionality(
|
||||
textDirection: TextDirection.ltr,
|
||||
child: Viewport(
|
||||
axisDirection: AxisDirection.left,
|
||||
offset: ViewportOffset.fixed(0.0),
|
||||
slivers: const <Widget>[
|
||||
SliverPadding(padding: EdgeInsets.fromLTRB(90.0, 1.0, 110.0, 2.0)),
|
||||
SliverToBoxAdapter(child: SizedBox(width: 201.0, child: Text('x'))),
|
||||
],
|
||||
),
|
||||
),
|
||||
);
|
||||
expect(
|
||||
tester
|
||||
.renderObject<RenderBox>(find.text('x'))
|
||||
.localToGlobal(Offset.zero),
|
||||
const Offset(399.0, 0.0));
|
||||
await tester.pumpWidget(
|
||||
Directionality(
|
||||
textDirection: TextDirection.ltr,
|
||||
child: Viewport(
|
||||
axisDirection: AxisDirection.left,
|
||||
offset: ViewportOffset.fixed(0.0),
|
||||
slivers: const <Widget>[
|
||||
SliverPadding(padding: EdgeInsets.fromLTRB(110.0, 1.0, 80.0, 2.0)),
|
||||
SliverToBoxAdapter(child: SizedBox(width: 201.0, child: 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(
|
||||
Directionality(
|
||||
textDirection: TextDirection.ltr,
|
||||
child: Viewport(
|
||||
axisDirection: AxisDirection.up,
|
||||
offset: ViewportOffset.fixed(0.0),
|
||||
slivers: const <Widget>[
|
||||
SliverPadding(padding: EdgeInsets.fromLTRB(1.0, 2.0, 4.0, 8.0)),
|
||||
],
|
||||
),
|
||||
),
|
||||
);
|
||||
expect(
|
||||
tester
|
||||
.renderObject<RenderSliverPadding>(find.byType(SliverPadding))
|
||||
.afterPadding,
|
||||
2.0);
|
||||
await tester.pumpWidget(
|
||||
Directionality(
|
||||
textDirection: TextDirection.ltr,
|
||||
child: Viewport(
|
||||
axisDirection: AxisDirection.down,
|
||||
offset: ViewportOffset.fixed(0.0),
|
||||
slivers: const <Widget>[
|
||||
SliverPadding(padding: EdgeInsets.fromLTRB(1.0, 2.0, 4.0, 8.0)),
|
||||
],
|
||||
),
|
||||
),
|
||||
);
|
||||
expect(
|
||||
tester
|
||||
.renderObject<RenderSliverPadding>(find.byType(SliverPadding))
|
||||
.afterPadding,
|
||||
8.0);
|
||||
await tester.pumpWidget(
|
||||
Directionality(
|
||||
textDirection: TextDirection.ltr,
|
||||
child: Viewport(
|
||||
axisDirection: AxisDirection.right,
|
||||
offset: ViewportOffset.fixed(0.0),
|
||||
slivers: const <Widget>[
|
||||
SliverPadding(padding: EdgeInsets.fromLTRB(1.0, 2.0, 4.0, 8.0)),
|
||||
],
|
||||
),
|
||||
),
|
||||
);
|
||||
expect(
|
||||
tester
|
||||
.renderObject<RenderSliverPadding>(find.byType(SliverPadding))
|
||||
.afterPadding,
|
||||
4.0);
|
||||
await tester.pumpWidget(
|
||||
Directionality(
|
||||
textDirection: TextDirection.ltr,
|
||||
child: Viewport(
|
||||
axisDirection: AxisDirection.left,
|
||||
offset: ViewportOffset.fixed(0.0),
|
||||
slivers: const <Widget>[
|
||||
SliverPadding(padding: EdgeInsets.fromLTRB(1.0, 2.0, 4.0, 8.0)),
|
||||
],
|
||||
),
|
||||
),
|
||||
);
|
||||
expect(
|
||||
tester
|
||||
.renderObject<RenderSliverPadding>(find.byType(SliverPadding))
|
||||
.afterPadding,
|
||||
1.0);
|
||||
await tester.pumpWidget(
|
||||
Directionality(
|
||||
textDirection: TextDirection.ltr,
|
||||
child: Viewport(
|
||||
axisDirection: AxisDirection.left,
|
||||
offset: ViewportOffset.fixed(99999.9),
|
||||
slivers: const <Widget>[
|
||||
SliverPadding(padding: 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 Directionality(
|
||||
textDirection: TextDirection.ltr,
|
||||
child: CustomScrollView(
|
||||
cacheExtent: 0.0,
|
||||
slivers: <Widget>[
|
||||
SliverPadding(
|
||||
padding: EdgeInsets.zero,
|
||||
sliver: SliverList(
|
||||
delegate: SliverChildBuilderDelegate(
|
||||
sliverChildBuilder,
|
||||
childCount: 10,
|
||||
),
|
||||
),
|
||||
),
|
||||
],
|
||||
),
|
||||
);
|
||||
}
|
||||
|
||||
await tester.pumpWidget(
|
||||
listBuilder(
|
||||
(BuildContext context, int index) {
|
||||
return Container(
|
||||
height: 200.0,
|
||||
child: Center(
|
||||
child: 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')),
|
||||
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 Container(
|
||||
height: index == 0 ? 400.0 : 200.0,
|
||||
child: Center(
|
||||
child: 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')),
|
||||
Rect.fromLTRB(0.0, -200.0, 800.0, 200.0),
|
||||
);
|
||||
});
|
||||
}
|
||||
Reference in New Issue
Block a user