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743be6746e
This structure makes it easier to customize the viewport used in a Scrollable. Now Scrollable2 doesn't commit to using slivers.
241 lines
12 KiB
Dart
241 lines
12 KiB
Dart
// 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_test/flutter_test.dart';
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import 'package:flutter/rendering.dart';
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import 'package:flutter/widgets.dart';
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Future<Null> test(WidgetTester tester, double offset, EdgeInsets padding, AxisDirection axisDirection) {
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return tester.pumpWidget(new Viewport2(
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offset: new ViewportOffset.fixed(offset),
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axisDirection: axisDirection,
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slivers: <Widget>[
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new SliverToBoxAdapter(child: new SizedBox(width: 400.0, height: 400.0, child: new Text('before'))),
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new SliverPadding(
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padding: padding,
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child: new SliverToBoxAdapter(child: new SizedBox(width: 400.0, height: 400.0, child: new Text('padded'))),
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),
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new SliverToBoxAdapter(child: new SizedBox(width: 400.0, height: 400.0, child: new Text('after'))),
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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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List<Rect> testAnswers = tester.renderObjectList<RenderBox>(find.byType(SizedBox)).map<Rect>(
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(RenderBox target) {
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Point topLeft = target.localToGlobal(Point.origin);
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Point bottomRight = target.localToGlobal(target.size.bottomRight(Point.origin));
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return new Rect.fromPoints(topLeft, bottomRight);
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}
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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('Viewport2+SliverPadding basic test', (WidgetTester tester) async {
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EdgeInsets padding = const EdgeInsets.fromLTRB(25.0, 20.0, 15.0, 35.0);
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await test(tester, 0.0, padding, AxisDirection.down);
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expect(tester.renderObject<RenderBox>(find.byType(Viewport2)).size, equals(const Size(800.0, 600.0)));
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verify(tester, <Rect>[
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new Rect.fromLTWH(0.0, 0.0, 800.0, 400.0),
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new Rect.fromLTWH(25.0, 420.0, 760.0, 400.0),
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new Rect.fromLTWH(0.0, 600.0, 800.0, 400.0),
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]);
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await test(tester, 200.0, padding, AxisDirection.down);
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verify(tester, <Rect>[
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new Rect.fromLTWH(0.0, -200.0, 800.0, 400.0),
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new Rect.fromLTWH(25.0, 220.0, 760.0, 400.0),
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new Rect.fromLTWH(0.0, 600.0, 800.0, 400.0),
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]);
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await test(tester, 390.0, padding, AxisDirection.down);
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verify(tester, <Rect>[
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new Rect.fromLTWH(0.0, -390.0, 800.0, 400.0),
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new Rect.fromLTWH(25.0, 30.0, 760.0, 400.0),
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new 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);
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verify(tester, <Rect>[
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new Rect.fromLTWH(0.0, -490.0, 800.0, 400.0),
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new Rect.fromLTWH(25.0, -70.0, 760.0, 400.0),
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new 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);
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verify(tester, <Rect>[
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new Rect.fromLTWH(0.0, -10000.0, 800.0, 400.0),
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new Rect.fromLTWH(25.0, -9580.0, 760.0, 400.0),
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new Rect.fromLTWH(0.0, -9145.0, 800.0, 400.0),
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]);
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});
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testWidgets('Viewport2+SliverPadding hit testing', (WidgetTester tester) async {
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EdgeInsets padding = const EdgeInsets.all(30.0);
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await test(tester, 350.0, padding, AxisDirection.down);
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expect(tester.renderObject<RenderBox>(find.byType(Viewport2)).size, equals(const Size(800.0, 600.0)));
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verify(tester, <Rect>[
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new Rect.fromLTWH(0.0, -350.0, 800.0, 400.0),
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new Rect.fromLTWH(30.0, 80.0, 740.0, 400.0),
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new 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 Point(10.0, 10.0));
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expect(result.path.first.target, tester.firstRenderObject<RenderObject>(find.byType(Text)));
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result = tester.hitTestOnBinding(const Point(10.0, 60.0));
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expect(result.path.first.target, new isInstanceOf<RenderView>());
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result = tester.hitTestOnBinding(const Point(100.0, 100.0));
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expect(result.path.first.target, tester.renderObjectList<RenderObject>(find.byType(Text)).skip(1).first);
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result = tester.hitTestOnBinding(const Point(100.0, 490.0));
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expect(result.path.first.target, new isInstanceOf<RenderView>());
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result = tester.hitTestOnBinding(const Point(10.0, 520.0));
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expect(result.path.first.target, tester.renderObjectList<RenderObject>(find.byType(Text)).last);
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});
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testWidgets('Viewport2+SliverPadding hit testing up', (WidgetTester tester) async {
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EdgeInsets padding = const EdgeInsets.all(30.0);
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await test(tester, 350.0, padding, AxisDirection.up);
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expect(tester.renderObject<RenderBox>(find.byType(Viewport2)).size, equals(const Size(800.0, 600.0)));
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verify(tester, <Rect>[
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new Rect.fromLTWH(0.0, 600.0+350.0-400.0, 800.0, 400.0),
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new Rect.fromLTWH(30.0, 600.0-80.0-400.0, 740.0, 400.0),
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new Rect.fromLTWH(0.0, 600.0-510.0-400.0, 800.0, 400.0),
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]);
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HitTestResult result;
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result = tester.hitTestOnBinding(const Point(10.0, 600.0-10.0));
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expect(result.path.first.target, tester.firstRenderObject<RenderObject>(find.byType(Text)));
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result = tester.hitTestOnBinding(const Point(10.0, 600.0-60.0));
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expect(result.path.first.target, new isInstanceOf<RenderView>());
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result = tester.hitTestOnBinding(const Point(100.0, 600.0-100.0));
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expect(result.path.first.target, tester.renderObjectList<RenderObject>(find.byType(Text)).skip(1).first);
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result = tester.hitTestOnBinding(const Point(100.0, 600.0-490.0));
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expect(result.path.first.target, new isInstanceOf<RenderView>());
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result = tester.hitTestOnBinding(const Point(10.0, 600.0-520.0));
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expect(result.path.first.target, tester.renderObjectList<RenderObject>(find.byType(Text)).last);
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});
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testWidgets('Viewport2+SliverPadding hit testing left', (WidgetTester tester) async {
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EdgeInsets padding = const EdgeInsets.all(30.0);
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await test(tester, 350.0, padding, AxisDirection.left);
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expect(tester.renderObject<RenderBox>(find.byType(Viewport2)).size, equals(const Size(800.0, 600.0)));
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verify(tester, <Rect>[
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new Rect.fromLTWH(800.0+350.0-400.0, 0.0, 400.0, 600.0),
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new Rect.fromLTWH(800.0-80.0-400.0, 30.0, 400.0, 540.0),
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new Rect.fromLTWH(800.0-510.0-400.0, 0.0, 400.0, 600.0),
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]);
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HitTestResult result;
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result = tester.hitTestOnBinding(const Point(800.0-10.0, 10.0));
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expect(result.path.first.target, tester.firstRenderObject<RenderObject>(find.byType(Text)));
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result = tester.hitTestOnBinding(const Point(800.0-60.0, 10.0));
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expect(result.path.first.target, new isInstanceOf<RenderView>());
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result = tester.hitTestOnBinding(const Point(800.0-100.0, 100.0));
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expect(result.path.first.target, tester.renderObjectList<RenderObject>(find.byType(Text)).skip(1).first);
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result = tester.hitTestOnBinding(const Point(800.0-490.0, 100.0));
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expect(result.path.first.target, new isInstanceOf<RenderView>());
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result = tester.hitTestOnBinding(const Point(800.0-520.0, 10.0));
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expect(result.path.first.target, tester.renderObjectList<RenderObject>(find.byType(Text)).last);
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});
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testWidgets('Viewport2+SliverPadding hit testing right', (WidgetTester tester) async {
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EdgeInsets padding = const EdgeInsets.all(30.0);
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await test(tester, 350.0, padding, AxisDirection.right);
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expect(tester.renderObject<RenderBox>(find.byType(Viewport2)).size, equals(const Size(800.0, 600.0)));
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verify(tester, <Rect>[
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new Rect.fromLTWH(-350.0, 0.0, 400.0, 600.0),
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new Rect.fromLTWH(80.0, 30.0, 400.0, 540.0),
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new Rect.fromLTWH(510.0, 0.0, 400.0, 600.0),
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]);
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HitTestResult result;
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result = tester.hitTestOnBinding(const Point(10.0, 10.0));
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expect(result.path.first.target, tester.firstRenderObject<RenderObject>(find.byType(Text)));
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result = tester.hitTestOnBinding(const Point(60.0, 10.0));
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expect(result.path.first.target, new isInstanceOf<RenderView>());
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result = tester.hitTestOnBinding(const Point(100.0, 100.0));
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expect(result.path.first.target, tester.renderObjectList<RenderObject>(find.byType(Text)).skip(1).first);
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result = tester.hitTestOnBinding(const Point(490.0, 100.0));
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expect(result.path.first.target, new isInstanceOf<RenderView>());
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result = tester.hitTestOnBinding(const Point(520.0, 10.0));
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expect(result.path.first.target, tester.renderObjectList<RenderObject>(find.byType(Text)).last);
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});
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testWidgets('Viewport2+SliverPadding no child', (WidgetTester tester) async {
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await tester.pumpWidget(new Viewport2(
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offset: new ViewportOffset.fixed(0.0),
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slivers: <Widget>[
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new SliverPadding(padding: new EdgeInsets.all(100.0)),
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new SliverToBoxAdapter(child: new SizedBox(width: 400.0, height: 400.0, child: new Text('x'))),
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],
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));
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expect(tester.renderObject<RenderBox>(find.text('x')).localToGlobal(Point.origin), const Point(0.0, 200.0));
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expect(tester.renderObject<RenderSliverPadding>(find.byType(SliverPadding)).endPadding, 100.0);
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});
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testWidgets('Viewport2+SliverPadding changing padding', (WidgetTester tester) async {
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await tester.pumpWidget(new Viewport2(
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axisDirection: AxisDirection.left,
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offset: new ViewportOffset.fixed(0.0),
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slivers: <Widget>[
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new SliverPadding(padding: new EdgeInsets.fromLTRB(90.0, 1.0, 110.0, 2.0)),
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new SliverToBoxAdapter(child: new SizedBox(width: 201.0, child: new Text('x'))),
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],
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));
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expect(tester.renderObject<RenderBox>(find.text('x')).localToGlobal(Point.origin), const Point(399.0, 0.0));
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expect(tester.renderObject<RenderSliverPadding>(find.byType(SliverPadding)).endPadding, 1.0);
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await tester.pumpWidget(new Viewport2(
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axisDirection: AxisDirection.left,
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offset: new ViewportOffset.fixed(0.0),
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slivers: <Widget>[
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new SliverPadding(padding: new EdgeInsets.fromLTRB(110.0, 1.0, 80.0, 2.0)),
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new SliverToBoxAdapter(child: new SizedBox(width: 201.0, child: new Text('x'))),
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],
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));
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expect(tester.renderObject<RenderBox>(find.text('x')).localToGlobal(Point.origin), const Point(409.0, 0.0));
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expect(tester.renderObject<RenderSliverPadding>(find.byType(SliverPadding)).endPadding, 1.0);
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});
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testWidgets('Viewport2+SliverPadding changing direction', (WidgetTester tester) async {
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await tester.pumpWidget(new Viewport2(
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axisDirection: AxisDirection.up,
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offset: new ViewportOffset.fixed(0.0),
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slivers: <Widget>[
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new SliverPadding(padding: new EdgeInsets.fromLTRB(1.0, 2.0, 4.0, 8.0)),
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],
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));
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expect(tester.renderObject<RenderSliverPadding>(find.byType(SliverPadding)).endPadding, 1.0);
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await tester.pumpWidget(new Viewport2(
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axisDirection: AxisDirection.down,
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offset: new ViewportOffset.fixed(0.0),
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slivers: <Widget>[
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new SliverPadding(padding: new EdgeInsets.fromLTRB(1.0, 2.0, 4.0, 8.0)),
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],
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));
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expect(tester.renderObject<RenderSliverPadding>(find.byType(SliverPadding)).endPadding, 4.0);
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await tester.pumpWidget(new Viewport2(
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axisDirection: AxisDirection.right,
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offset: new ViewportOffset.fixed(0.0),
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slivers: <Widget>[
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new SliverPadding(padding: new EdgeInsets.fromLTRB(1.0, 2.0, 4.0, 8.0)),
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],
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));
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expect(tester.renderObject<RenderSliverPadding>(find.byType(SliverPadding)).endPadding, 8.0);
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await tester.pumpWidget(new Viewport2(
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axisDirection: AxisDirection.left,
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offset: new ViewportOffset.fixed(0.0),
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slivers: <Widget>[
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new SliverPadding(padding: new EdgeInsets.fromLTRB(1.0, 2.0, 4.0, 8.0)),
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],
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));
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expect(tester.renderObject<RenderSliverPadding>(find.byType(SliverPadding)).endPadding, 2.0);
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await tester.pumpWidget(new Viewport2(
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axisDirection: AxisDirection.left,
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offset: new ViewportOffset.fixed(99999.9),
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slivers: <Widget>[
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new SliverPadding(padding: new EdgeInsets.fromLTRB(1.0, 2.0, 4.0, 8.0)),
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],
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));
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expect(tester.renderObject<RenderSliverPadding>(find.byType(SliverPadding)).endPadding, 2.0);
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});
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}
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