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Add:创建 flutter go web 版
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983
packages/flutter_web/test/rendering/slivers_test.dart
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983
packages/flutter_web/test/rendering/slivers_test.dart
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// Copyright 2015 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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// Synced 2019-05-30T14:20:56.966420.
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import 'package:flutter_web/gestures.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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import 'package:flutter_web_test/flutter_web_test.dart';
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import 'package:vector_math/vector_math_64.dart';
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import 'rendering_tester.dart';
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void main() {
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test('RenderViewport basic test - no children', () {
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final RenderViewport root = RenderViewport(
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crossAxisDirection: AxisDirection.right,
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offset: ViewportOffset.zero(),
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);
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expect(root, hasAGoodToStringDeep);
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expect(
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root.toStringDeep(minLevel: DiagnosticLevel.info),
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equalsIgnoringHashCodes(
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'RenderViewport#00000 NEEDS-LAYOUT NEEDS-PAINT DETACHED\n'
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' needs compositing\n'
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' parentData: MISSING\n'
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' constraints: MISSING\n'
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' size: MISSING\n'
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' axisDirection: down\n'
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' crossAxisDirection: right\n'
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' offset: _FixedViewportOffset#00000(offset: 0.0)\n'
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' anchor: 0.0\n'),
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);
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layout(root);
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root.offset = ViewportOffset.fixed(900.0);
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expect(root, hasAGoodToStringDeep);
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expect(
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root.toStringDeep(minLevel: DiagnosticLevel.info),
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equalsIgnoringHashCodes(
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'RenderViewport#00000 NEEDS-LAYOUT NEEDS-PAINT\n'
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' needs compositing\n'
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' parentData: <none>\n'
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' constraints: BoxConstraints(w=800.0, h=600.0)\n'
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' size: Size(800.0, 600.0)\n'
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' axisDirection: down\n'
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' crossAxisDirection: right\n'
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' offset: _FixedViewportOffset#00000(offset: 900.0)\n'
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' anchor: 0.0\n',
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),
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);
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pumpFrame();
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});
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test('RenderViewport basic test - down', () {
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RenderBox a, b, c, d, e;
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final RenderViewport root = RenderViewport(
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crossAxisDirection: AxisDirection.right,
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offset: ViewportOffset.zero(),
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children: <RenderSliver>[
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RenderSliverToBoxAdapter(
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child: a = RenderSizedBox(const Size(100.0, 400.0))),
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RenderSliverToBoxAdapter(
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child: b = RenderSizedBox(const Size(100.0, 400.0))),
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RenderSliverToBoxAdapter(
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child: c = RenderSizedBox(const Size(100.0, 400.0))),
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RenderSliverToBoxAdapter(
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child: d = RenderSizedBox(const Size(100.0, 400.0))),
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RenderSliverToBoxAdapter(
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child: e = RenderSizedBox(const Size(100.0, 400.0))),
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],
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);
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expect(root, hasAGoodToStringDeep);
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layout(root);
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expect(root.size.width, equals(800.0));
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expect(root.size.height, equals(600.0));
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expect(root, hasAGoodToStringDeep);
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expect(
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root.toStringDeep(minLevel: DiagnosticLevel.info),
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equalsIgnoringHashCodes(
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'RenderViewport#00000 NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE\n'
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' │ needs compositing\n'
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' │ parentData: <none>\n'
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' │ constraints: BoxConstraints(w=800.0, h=600.0)\n'
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' │ size: Size(800.0, 600.0)\n'
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' │ axisDirection: down\n'
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' │ crossAxisDirection: right\n'
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' │ offset: _FixedViewportOffset#00000(offset: 0.0)\n'
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' │ anchor: 0.0\n'
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' │\n'
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' ├─center child: RenderSliverToBoxAdapter#00000 relayoutBoundary=up1 NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE\n'
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' │ │ parentData: paintOffset=Offset(0.0, 0.0) (can use size)\n'
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' │ │ constraints: SliverConstraints(AxisDirection.down,\n'
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' │ │ GrowthDirection.forward, ScrollDirection.idle, scrollOffset:\n'
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' │ │ 0.0, remainingPaintExtent: 600.0, crossAxisExtent: 800.0,\n'
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' │ │ crossAxisDirection: AxisDirection.right,\n'
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' │ │ viewportMainAxisExtent: 600.0, remainingCacheExtent: 850.0\n'
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' │ │ cacheOrigin: 0.0 )\n'
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' │ │ geometry: SliverGeometry(scrollExtent: 400.0, paintExtent: 400.0,\n'
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' │ │ maxPaintExtent: 400.0, cacheExtent: 400.0)\n'
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' │ │\n'
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' │ └─child: RenderSizedBox#00000 NEEDS-PAINT\n'
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' │ parentData: paintOffset=Offset(0.0, -0.0) (can use size)\n'
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' │ constraints: BoxConstraints(w=800.0, 0.0<=h<=Infinity)\n'
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' │ size: Size(800.0, 400.0)\n'
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' │\n'
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' ├─child 1: RenderSliverToBoxAdapter#00000 relayoutBoundary=up1 NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE\n'
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' │ │ parentData: paintOffset=Offset(0.0, 400.0) (can use size)\n'
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' │ │ constraints: SliverConstraints(AxisDirection.down,\n'
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' │ │ GrowthDirection.forward, ScrollDirection.idle, scrollOffset:\n'
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' │ │ 0.0, remainingPaintExtent: 200.0, crossAxisExtent: 800.0,\n'
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' │ │ crossAxisDirection: AxisDirection.right,\n'
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' │ │ viewportMainAxisExtent: 600.0, remainingCacheExtent: 450.0\n'
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' │ │ cacheOrigin: 0.0 )\n'
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' │ │ geometry: SliverGeometry(scrollExtent: 400.0, paintExtent: 200.0,\n'
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' │ │ maxPaintExtent: 400.0, hasVisualOverflow: true, cacheExtent:\n'
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' │ │ 400.0)\n'
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' │ │\n'
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' │ └─child: RenderSizedBox#00000 NEEDS-PAINT\n'
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' │ parentData: paintOffset=Offset(0.0, -0.0) (can use size)\n'
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' │ constraints: BoxConstraints(w=800.0, 0.0<=h<=Infinity)\n'
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' │ size: Size(800.0, 400.0)\n'
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' │\n'
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' ├─child 2: RenderSliverToBoxAdapter#00000 relayoutBoundary=up1 NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE\n'
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' │ │ parentData: paintOffset=Offset(0.0, 800.0) (can use size)\n'
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' │ │ constraints: SliverConstraints(AxisDirection.down,\n'
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' │ │ GrowthDirection.forward, ScrollDirection.idle, scrollOffset:\n'
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' │ │ 0.0, remainingPaintExtent: 0.0, crossAxisExtent: 800.0,\n'
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' │ │ crossAxisDirection: AxisDirection.right,\n'
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' │ │ viewportMainAxisExtent: 600.0, remainingCacheExtent: 50.0\n'
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' │ │ cacheOrigin: 0.0 )\n'
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' │ │ geometry: SliverGeometry(scrollExtent: 400.0, hidden,\n'
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' │ │ maxPaintExtent: 400.0, hasVisualOverflow: true, cacheExtent:\n'
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' │ │ 50.0)\n'
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' │ │\n'
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' │ └─child: RenderSizedBox#00000 NEEDS-PAINT\n'
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' │ parentData: paintOffset=Offset(0.0, -0.0) (can use size)\n'
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' │ constraints: BoxConstraints(w=800.0, 0.0<=h<=Infinity)\n'
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' │ size: Size(800.0, 400.0)\n'
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' │\n'
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' ├─child 3: RenderSliverToBoxAdapter#00000 relayoutBoundary=up1 NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE\n'
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' │ │ parentData: paintOffset=Offset(0.0, 1200.0) (can use size)\n'
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' │ │ constraints: SliverConstraints(AxisDirection.down,\n'
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' │ │ GrowthDirection.forward, ScrollDirection.idle, scrollOffset:\n'
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' │ │ 0.0, remainingPaintExtent: 0.0, crossAxisExtent: 800.0,\n'
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' │ │ crossAxisDirection: AxisDirection.right,\n'
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' │ │ viewportMainAxisExtent: 600.0, remainingCacheExtent: 0.0\n'
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' │ │ cacheOrigin: 0.0 )\n'
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' │ │ geometry: SliverGeometry(scrollExtent: 400.0, hidden,\n'
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' │ │ maxPaintExtent: 400.0, hasVisualOverflow: true)\n'
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' │ │\n'
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' │ └─child: RenderSizedBox#00000 NEEDS-PAINT\n'
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' │ parentData: paintOffset=Offset(0.0, -0.0) (can use size)\n'
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' │ constraints: BoxConstraints(w=800.0, 0.0<=h<=Infinity)\n'
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' │ size: Size(800.0, 400.0)\n'
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' │\n'
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' └─child 4: RenderSliverToBoxAdapter#00000 relayoutBoundary=up1 NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE\n'
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' │ parentData: paintOffset=Offset(0.0, 1600.0) (can use size)\n'
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' │ constraints: SliverConstraints(AxisDirection.down,\n'
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' │ GrowthDirection.forward, ScrollDirection.idle, scrollOffset:\n'
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' │ 0.0, remainingPaintExtent: 0.0, crossAxisExtent: 800.0,\n'
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' │ crossAxisDirection: AxisDirection.right,\n'
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' │ viewportMainAxisExtent: 600.0, remainingCacheExtent: 0.0\n'
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' │ cacheOrigin: 0.0 )\n'
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' │ geometry: SliverGeometry(scrollExtent: 400.0, hidden,\n'
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' │ maxPaintExtent: 400.0, hasVisualOverflow: true)\n'
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' │\n'
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' └─child: RenderSizedBox#00000 NEEDS-PAINT\n'
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' parentData: paintOffset=Offset(0.0, -0.0) (can use size)\n'
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' constraints: BoxConstraints(w=800.0, 0.0<=h<=Infinity)\n'
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||||
' size: Size(800.0, 400.0)\n'),
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);
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expect(a.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, 0.0));
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expect(b.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, 400.0));
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expect(c.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, 800.0));
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expect(d.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, 1200.0));
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expect(e.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, 1600.0));
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expect(a.localToGlobal(const Offset(800.0, 400.0)),
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const Offset(800.0, 400.0));
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expect(b.localToGlobal(const Offset(800.0, 400.0)),
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const Offset(800.0, 800.0));
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expect(c.localToGlobal(const Offset(800.0, 400.0)),
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const Offset(800.0, 1200.0));
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expect(d.localToGlobal(const Offset(800.0, 400.0)),
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const Offset(800.0, 1600.0));
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expect(e.localToGlobal(const Offset(800.0, 400.0)),
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const Offset(800.0, 2000.0));
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root.offset = ViewportOffset.fixed(200.0);
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pumpFrame();
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expect(a.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, -200.0));
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expect(b.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, 200.0));
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expect(c.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, 600.0));
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expect(d.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, 1000.0));
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expect(e.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, 1400.0));
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root.offset = ViewportOffset.fixed(600.0);
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pumpFrame();
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expect(a.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, -600.0));
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expect(b.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, -200.0));
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expect(c.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, 200.0));
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expect(d.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, 600.0));
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expect(e.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, 1000.0));
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root.offset = ViewportOffset.fixed(900.0);
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pumpFrame();
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expect(a.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, -900.0));
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expect(b.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, -500.0));
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expect(c.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, -100.0));
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||||
expect(d.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, 300.0));
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||||
expect(e.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, 700.0));
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final BoxHitTestResult result = BoxHitTestResult();
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root.hitTest(result, position: const Offset(130.0, 150.0));
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expect(result.path.first.target, equals(c));
|
||||
});
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test('RenderViewport basic test - up', () {
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RenderBox a, b, c, d, e;
|
||||
final RenderViewport root = RenderViewport(
|
||||
axisDirection: AxisDirection.up,
|
||||
crossAxisDirection: AxisDirection.right,
|
||||
offset: ViewportOffset.zero(),
|
||||
children: <RenderSliver>[
|
||||
RenderSliverToBoxAdapter(
|
||||
child: a = RenderSizedBox(const Size(100.0, 400.0))),
|
||||
RenderSliverToBoxAdapter(
|
||||
child: b = RenderSizedBox(const Size(100.0, 400.0))),
|
||||
RenderSliverToBoxAdapter(
|
||||
child: c = RenderSizedBox(const Size(100.0, 400.0))),
|
||||
RenderSliverToBoxAdapter(
|
||||
child: d = RenderSizedBox(const Size(100.0, 400.0))),
|
||||
RenderSliverToBoxAdapter(
|
||||
child: e = RenderSizedBox(const Size(100.0, 400.0))),
|
||||
],
|
||||
);
|
||||
layout(root);
|
||||
|
||||
expect(root.size.width, equals(800.0));
|
||||
expect(root.size.height, equals(600.0));
|
||||
|
||||
expect(a.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, 200.0));
|
||||
expect(b.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, -200.0));
|
||||
expect(c.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, -600.0));
|
||||
expect(d.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, -1000.0));
|
||||
expect(e.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, -1400.0));
|
||||
|
||||
root.offset = ViewportOffset.fixed(200.0);
|
||||
pumpFrame();
|
||||
expect(a.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, 400.0));
|
||||
expect(b.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, 0.0));
|
||||
expect(c.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, -400.0));
|
||||
expect(d.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, -800.0));
|
||||
expect(e.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, -1200.0));
|
||||
|
||||
root.offset = ViewportOffset.fixed(600.0);
|
||||
pumpFrame();
|
||||
expect(a.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, 800.0));
|
||||
expect(b.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, 400.0));
|
||||
expect(c.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, 0.0));
|
||||
expect(d.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, -400.0));
|
||||
expect(e.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, -800.0));
|
||||
|
||||
root.offset = ViewportOffset.fixed(900.0);
|
||||
pumpFrame();
|
||||
expect(a.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, 1100.0));
|
||||
expect(b.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, 700.0));
|
||||
expect(c.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, 300.0));
|
||||
expect(d.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, -100.0));
|
||||
expect(e.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, -500.0));
|
||||
|
||||
final BoxHitTestResult result = BoxHitTestResult();
|
||||
root.hitTest(result, position: const Offset(150.0, 350.0));
|
||||
expect(result.path.first.target, equals(c));
|
||||
});
|
||||
|
||||
Offset _getPaintOrigin(RenderObject render) {
|
||||
final Vector3 transformed3 = render
|
||||
.getTransformTo(null)
|
||||
.perspectiveTransform(Vector3(0.0, 0.0, 0.0));
|
||||
return Offset(transformed3.x, transformed3.y);
|
||||
}
|
||||
|
||||
test('RenderViewport basic test - right', () {
|
||||
RenderBox a, b, c, d, e;
|
||||
final RenderViewport root = RenderViewport(
|
||||
axisDirection: AxisDirection.right,
|
||||
crossAxisDirection: AxisDirection.down,
|
||||
offset: ViewportOffset.zero(),
|
||||
children: <RenderSliver>[
|
||||
RenderSliverToBoxAdapter(
|
||||
child: a = RenderSizedBox(const Size(400.0, 100.0))),
|
||||
RenderSliverToBoxAdapter(
|
||||
child: b = RenderSizedBox(const Size(400.0, 100.0))),
|
||||
RenderSliverToBoxAdapter(
|
||||
child: c = RenderSizedBox(const Size(400.0, 100.0))),
|
||||
RenderSliverToBoxAdapter(
|
||||
child: d = RenderSizedBox(const Size(400.0, 100.0))),
|
||||
RenderSliverToBoxAdapter(
|
||||
child: e = RenderSizedBox(const Size(400.0, 100.0))),
|
||||
],
|
||||
);
|
||||
layout(root);
|
||||
|
||||
expect(root.size.width, equals(800.0));
|
||||
expect(root.size.height, equals(600.0));
|
||||
|
||||
final RenderSliver sliverA = a.parent;
|
||||
final RenderSliver sliverB = b.parent;
|
||||
final RenderSliver sliverC = c.parent;
|
||||
final RenderSliver sliverD = d.parent;
|
||||
final RenderSliver sliverE = e.parent;
|
||||
|
||||
expect(a.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, 0.0));
|
||||
expect(b.localToGlobal(const Offset(0.0, 0.0)), const Offset(400.0, 0.0));
|
||||
expect(c.localToGlobal(const Offset(0.0, 0.0)), const Offset(800.0, 0.0));
|
||||
expect(d.localToGlobal(const Offset(0.0, 0.0)), const Offset(1200.0, 0.0));
|
||||
expect(e.localToGlobal(const Offset(0.0, 0.0)), const Offset(1600.0, 0.0));
|
||||
|
||||
expect(_getPaintOrigin(sliverA), const Offset(0.0, 0.0));
|
||||
expect(_getPaintOrigin(sliverB), const Offset(400.0, 0.0));
|
||||
expect(_getPaintOrigin(sliverC), const Offset(800.0, 0.0));
|
||||
expect(_getPaintOrigin(sliverD), const Offset(1200.0, 0.0));
|
||||
expect(_getPaintOrigin(sliverE), const Offset(1600.0, 0.0));
|
||||
|
||||
root.offset = ViewportOffset.fixed(200.0);
|
||||
pumpFrame();
|
||||
expect(a.localToGlobal(const Offset(0.0, 0.0)), const Offset(-200.0, 0.0));
|
||||
expect(b.localToGlobal(const Offset(0.0, 0.0)), const Offset(200.0, 0.0));
|
||||
expect(c.localToGlobal(const Offset(0.0, 0.0)), const Offset(600.0, 0.0));
|
||||
expect(d.localToGlobal(const Offset(0.0, 0.0)), const Offset(1000.0, 0.0));
|
||||
expect(e.localToGlobal(const Offset(0.0, 0.0)), const Offset(1400.0, 0.0));
|
||||
|
||||
expect(_getPaintOrigin(sliverA), const Offset(000.0, 0.0));
|
||||
expect(_getPaintOrigin(sliverB), const Offset(200.0, 0.0));
|
||||
expect(_getPaintOrigin(sliverC), const Offset(600.0, 0.0));
|
||||
expect(_getPaintOrigin(sliverD), const Offset(1000.0, 0.0));
|
||||
expect(_getPaintOrigin(sliverE), const Offset(1400.0, 0.0));
|
||||
|
||||
root.offset = ViewportOffset.fixed(600.0);
|
||||
pumpFrame();
|
||||
expect(a.localToGlobal(const Offset(0.0, 0.0)), const Offset(-600.0, 0.0));
|
||||
expect(b.localToGlobal(const Offset(0.0, 0.0)), const Offset(-200.0, 0.0));
|
||||
expect(c.localToGlobal(const Offset(0.0, 0.0)), const Offset(200.0, 0.0));
|
||||
expect(d.localToGlobal(const Offset(0.0, 0.0)), const Offset(600.0, 0.0));
|
||||
expect(e.localToGlobal(const Offset(0.0, 0.0)), const Offset(1000.0, 0.0));
|
||||
|
||||
expect(_getPaintOrigin(sliverA), const Offset(000.0, 0.0));
|
||||
expect(_getPaintOrigin(sliverB), const Offset(000.0, 0.0));
|
||||
expect(_getPaintOrigin(sliverC), const Offset(200.0, 0.0));
|
||||
expect(_getPaintOrigin(sliverD), const Offset(600.0, 0.0));
|
||||
expect(_getPaintOrigin(sliverE), const Offset(1000.0, 0.0));
|
||||
|
||||
root.offset = ViewportOffset.fixed(900.0);
|
||||
pumpFrame();
|
||||
expect(a.localToGlobal(const Offset(0.0, 0.0)), const Offset(-900.0, 0.0));
|
||||
expect(b.localToGlobal(const Offset(0.0, 0.0)), const Offset(-500.0, 0.0));
|
||||
expect(c.localToGlobal(const Offset(0.0, 0.0)), const Offset(-100.0, 0.0));
|
||||
expect(d.localToGlobal(const Offset(0.0, 0.0)), const Offset(300.0, 0.0));
|
||||
expect(e.localToGlobal(const Offset(0.0, 0.0)), const Offset(700.0, 0.0));
|
||||
|
||||
expect(_getPaintOrigin(sliverA), const Offset(000.0, 0.0));
|
||||
expect(_getPaintOrigin(sliverB), const Offset(000.0, 0.0));
|
||||
expect(_getPaintOrigin(sliverC), const Offset(000.0, 0.0));
|
||||
expect(_getPaintOrigin(sliverD), const Offset(300.0, 0.0));
|
||||
expect(_getPaintOrigin(sliverE), const Offset(700.0, 0.0));
|
||||
|
||||
final BoxHitTestResult result = BoxHitTestResult();
|
||||
root.hitTest(result, position: const Offset(150.0, 450.0));
|
||||
expect(result.path.first.target, equals(c));
|
||||
});
|
||||
|
||||
test('RenderViewport basic test - left', () {
|
||||
RenderBox a, b, c, d, e;
|
||||
final RenderViewport root = RenderViewport(
|
||||
axisDirection: AxisDirection.left,
|
||||
crossAxisDirection: AxisDirection.down,
|
||||
offset: ViewportOffset.zero(),
|
||||
children: <RenderSliver>[
|
||||
RenderSliverToBoxAdapter(
|
||||
child: a = RenderSizedBox(const Size(400.0, 100.0))),
|
||||
RenderSliverToBoxAdapter(
|
||||
child: b = RenderSizedBox(const Size(400.0, 100.0))),
|
||||
RenderSliverToBoxAdapter(
|
||||
child: c = RenderSizedBox(const Size(400.0, 100.0))),
|
||||
RenderSliverToBoxAdapter(
|
||||
child: d = RenderSizedBox(const Size(400.0, 100.0))),
|
||||
RenderSliverToBoxAdapter(
|
||||
child: e = RenderSizedBox(const Size(400.0, 100.0))),
|
||||
],
|
||||
);
|
||||
layout(root);
|
||||
|
||||
expect(root.size.width, equals(800.0));
|
||||
expect(root.size.height, equals(600.0));
|
||||
|
||||
expect(a.localToGlobal(const Offset(0.0, 0.0)), const Offset(400.0, 0.0));
|
||||
expect(b.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, 0.0));
|
||||
expect(c.localToGlobal(const Offset(0.0, 0.0)), const Offset(-400.0, 0.0));
|
||||
expect(d.localToGlobal(const Offset(0.0, 0.0)), const Offset(-800.0, 0.0));
|
||||
expect(e.localToGlobal(const Offset(0.0, 0.0)), const Offset(-1200.0, 0.0));
|
||||
|
||||
root.offset = ViewportOffset.fixed(200.0);
|
||||
pumpFrame();
|
||||
expect(a.localToGlobal(const Offset(0.0, 0.0)), const Offset(600.0, 0.0));
|
||||
expect(b.localToGlobal(const Offset(0.0, 0.0)), const Offset(200.0, 0.0));
|
||||
expect(c.localToGlobal(const Offset(0.0, 0.0)), const Offset(-200.0, 0.0));
|
||||
expect(d.localToGlobal(const Offset(0.0, 0.0)), const Offset(-600.0, 0.0));
|
||||
expect(e.localToGlobal(const Offset(0.0, 0.0)), const Offset(-1000.0, 0.0));
|
||||
|
||||
root.offset = ViewportOffset.fixed(600.0);
|
||||
pumpFrame();
|
||||
expect(a.localToGlobal(const Offset(0.0, 0.0)), const Offset(1000.0, 0.0));
|
||||
expect(b.localToGlobal(const Offset(0.0, 0.0)), const Offset(600.0, 0.0));
|
||||
expect(c.localToGlobal(const Offset(0.0, 0.0)), const Offset(200.0, 0.0));
|
||||
expect(d.localToGlobal(const Offset(0.0, 0.0)), const Offset(-200.0, 0.0));
|
||||
expect(e.localToGlobal(const Offset(0.0, 0.0)), const Offset(-600.0, 0.0));
|
||||
|
||||
root.offset = ViewportOffset.fixed(900.0);
|
||||
pumpFrame();
|
||||
expect(a.localToGlobal(const Offset(0.0, 0.0)), const Offset(1300.0, 0.0));
|
||||
expect(b.localToGlobal(const Offset(0.0, 0.0)), const Offset(900.0, 0.0));
|
||||
expect(c.localToGlobal(const Offset(0.0, 0.0)), const Offset(500.0, 0.0));
|
||||
expect(d.localToGlobal(const Offset(0.0, 0.0)), const Offset(100.0, 0.0));
|
||||
expect(e.localToGlobal(const Offset(0.0, 0.0)), const Offset(-300.0, 0.0));
|
||||
|
||||
final BoxHitTestResult result = BoxHitTestResult();
|
||||
root.hitTest(result, position: const Offset(550.0, 150.0));
|
||||
expect(result.path.first.target, equals(c));
|
||||
});
|
||||
|
||||
// TODO(ianh): test anchor
|
||||
// TODO(ianh): test center
|
||||
// TODO(ianh): test semantics
|
||||
|
||||
test('RenderShrinkWrappingViewport basic test - no children', () {
|
||||
final RenderShrinkWrappingViewport root = RenderShrinkWrappingViewport(
|
||||
crossAxisDirection: AxisDirection.right,
|
||||
offset: ViewportOffset.zero(),
|
||||
);
|
||||
expect(root, hasAGoodToStringDeep);
|
||||
layout(root);
|
||||
root.offset = ViewportOffset.fixed(900.0);
|
||||
pumpFrame();
|
||||
});
|
||||
|
||||
test('RenderShrinkWrappingViewport basic test - down', () {
|
||||
RenderBox a, b, c, d, e;
|
||||
final RenderShrinkWrappingViewport root = RenderShrinkWrappingViewport(
|
||||
crossAxisDirection: AxisDirection.right,
|
||||
offset: ViewportOffset.zero(),
|
||||
children: <RenderSliver>[
|
||||
RenderSliverToBoxAdapter(
|
||||
child: a = RenderSizedBox(const Size(100.0, 400.0))),
|
||||
RenderSliverToBoxAdapter(
|
||||
child: b = RenderSizedBox(const Size(100.0, 400.0))),
|
||||
RenderSliverToBoxAdapter(
|
||||
child: c = RenderSizedBox(const Size(100.0, 400.0))),
|
||||
RenderSliverToBoxAdapter(
|
||||
child: d = RenderSizedBox(const Size(100.0, 400.0))),
|
||||
RenderSliverToBoxAdapter(
|
||||
child: e = RenderSizedBox(const Size(100.0, 400.0))),
|
||||
],
|
||||
);
|
||||
layout(root);
|
||||
|
||||
expect(root.size.width, equals(800.0));
|
||||
expect(root.size.height, equals(600.0));
|
||||
|
||||
expect(a.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, 0.0));
|
||||
expect(b.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, 400.0));
|
||||
expect(c.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, 800.0));
|
||||
expect(d.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, 1200.0));
|
||||
expect(e.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, 1600.0));
|
||||
|
||||
expect(a.localToGlobal(const Offset(800.0, 400.0)),
|
||||
const Offset(800.0, 400.0));
|
||||
expect(b.localToGlobal(const Offset(800.0, 400.0)),
|
||||
const Offset(800.0, 800.0));
|
||||
expect(c.localToGlobal(const Offset(800.0, 400.0)),
|
||||
const Offset(800.0, 1200.0));
|
||||
expect(d.localToGlobal(const Offset(800.0, 400.0)),
|
||||
const Offset(800.0, 1600.0));
|
||||
expect(e.localToGlobal(const Offset(800.0, 400.0)),
|
||||
const Offset(800.0, 2000.0));
|
||||
|
||||
root.offset = ViewportOffset.fixed(200.0);
|
||||
pumpFrame();
|
||||
expect(a.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, -200.0));
|
||||
expect(b.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, 200.0));
|
||||
expect(c.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, 600.0));
|
||||
expect(d.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, 1000.0));
|
||||
expect(e.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, 1400.0));
|
||||
|
||||
root.offset = ViewportOffset.fixed(600.0);
|
||||
pumpFrame();
|
||||
expect(a.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, -600.0));
|
||||
expect(b.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, -200.0));
|
||||
expect(c.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, 200.0));
|
||||
expect(d.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, 600.0));
|
||||
expect(e.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, 1000.0));
|
||||
|
||||
root.offset = ViewportOffset.fixed(900.0);
|
||||
pumpFrame();
|
||||
expect(a.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, -900.0));
|
||||
expect(b.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, -500.0));
|
||||
expect(c.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, -100.0));
|
||||
expect(d.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, 300.0));
|
||||
expect(e.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, 700.0));
|
||||
|
||||
final BoxHitTestResult result = BoxHitTestResult();
|
||||
root.hitTest(result, position: const Offset(130.0, 150.0));
|
||||
expect(result.path.first.target, equals(c));
|
||||
});
|
||||
|
||||
test('RenderShrinkWrappingViewport basic test - up', () {
|
||||
RenderBox a, b, c, d, e;
|
||||
final RenderShrinkWrappingViewport root = RenderShrinkWrappingViewport(
|
||||
axisDirection: AxisDirection.up,
|
||||
crossAxisDirection: AxisDirection.right,
|
||||
offset: ViewportOffset.zero(),
|
||||
children: <RenderSliver>[
|
||||
RenderSliverToBoxAdapter(
|
||||
child: a = RenderSizedBox(const Size(100.0, 400.0))),
|
||||
RenderSliverToBoxAdapter(
|
||||
child: b = RenderSizedBox(const Size(100.0, 400.0))),
|
||||
RenderSliverToBoxAdapter(
|
||||
child: c = RenderSizedBox(const Size(100.0, 400.0))),
|
||||
RenderSliverToBoxAdapter(
|
||||
child: d = RenderSizedBox(const Size(100.0, 400.0))),
|
||||
RenderSliverToBoxAdapter(
|
||||
child: e = RenderSizedBox(const Size(100.0, 400.0))),
|
||||
],
|
||||
);
|
||||
layout(root);
|
||||
|
||||
expect(root.size.width, equals(800.0));
|
||||
expect(root.size.height, equals(600.0));
|
||||
|
||||
expect(a.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, 200.0));
|
||||
expect(b.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, -200.0));
|
||||
expect(c.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, -600.0));
|
||||
expect(d.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, -1000.0));
|
||||
expect(e.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, -1400.0));
|
||||
|
||||
root.offset = ViewportOffset.fixed(200.0);
|
||||
pumpFrame();
|
||||
expect(a.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, 400.0));
|
||||
expect(b.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, 0.0));
|
||||
expect(c.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, -400.0));
|
||||
expect(d.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, -800.0));
|
||||
expect(e.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, -1200.0));
|
||||
|
||||
root.offset = ViewportOffset.fixed(600.0);
|
||||
pumpFrame();
|
||||
expect(a.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, 800.0));
|
||||
expect(b.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, 400.0));
|
||||
expect(c.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, 0.0));
|
||||
expect(d.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, -400.0));
|
||||
expect(e.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, -800.0));
|
||||
|
||||
root.offset = ViewportOffset.fixed(900.0);
|
||||
pumpFrame();
|
||||
expect(a.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, 1100.0));
|
||||
expect(b.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, 700.0));
|
||||
expect(c.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, 300.0));
|
||||
expect(d.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, -100.0));
|
||||
expect(e.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, -500.0));
|
||||
|
||||
final BoxHitTestResult result = BoxHitTestResult();
|
||||
root.hitTest(result, position: const Offset(150.0, 350.0));
|
||||
expect(result.path.first.target, equals(c));
|
||||
});
|
||||
|
||||
test('RenderShrinkWrappingViewport basic test - right', () {
|
||||
RenderBox a, b, c, d, e;
|
||||
final RenderShrinkWrappingViewport root = RenderShrinkWrappingViewport(
|
||||
axisDirection: AxisDirection.right,
|
||||
crossAxisDirection: AxisDirection.down,
|
||||
offset: ViewportOffset.zero(),
|
||||
children: <RenderSliver>[
|
||||
RenderSliverToBoxAdapter(
|
||||
child: a = RenderSizedBox(const Size(400.0, 100.0))),
|
||||
RenderSliverToBoxAdapter(
|
||||
child: b = RenderSizedBox(const Size(400.0, 100.0))),
|
||||
RenderSliverToBoxAdapter(
|
||||
child: c = RenderSizedBox(const Size(400.0, 100.0))),
|
||||
RenderSliverToBoxAdapter(
|
||||
child: d = RenderSizedBox(const Size(400.0, 100.0))),
|
||||
RenderSliverToBoxAdapter(
|
||||
child: e = RenderSizedBox(const Size(400.0, 100.0))),
|
||||
],
|
||||
);
|
||||
layout(root);
|
||||
|
||||
expect(root.size.width, equals(800.0));
|
||||
expect(root.size.height, equals(600.0));
|
||||
|
||||
expect(a.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, 0.0));
|
||||
expect(b.localToGlobal(const Offset(0.0, 0.0)), const Offset(400.0, 0.0));
|
||||
expect(c.localToGlobal(const Offset(0.0, 0.0)), const Offset(800.0, 0.0));
|
||||
expect(d.localToGlobal(const Offset(0.0, 0.0)), const Offset(1200.0, 0.0));
|
||||
expect(e.localToGlobal(const Offset(0.0, 0.0)), const Offset(1600.0, 0.0));
|
||||
|
||||
root.offset = ViewportOffset.fixed(200.0);
|
||||
pumpFrame();
|
||||
expect(a.localToGlobal(const Offset(0.0, 0.0)), const Offset(-200.0, 0.0));
|
||||
expect(b.localToGlobal(const Offset(0.0, 0.0)), const Offset(200.0, 0.0));
|
||||
expect(c.localToGlobal(const Offset(0.0, 0.0)), const Offset(600.0, 0.0));
|
||||
expect(d.localToGlobal(const Offset(0.0, 0.0)), const Offset(1000.0, 0.0));
|
||||
expect(e.localToGlobal(const Offset(0.0, 0.0)), const Offset(1400.0, 0.0));
|
||||
|
||||
root.offset = ViewportOffset.fixed(600.0);
|
||||
pumpFrame();
|
||||
expect(a.localToGlobal(const Offset(0.0, 0.0)), const Offset(-600.0, 0.0));
|
||||
expect(b.localToGlobal(const Offset(0.0, 0.0)), const Offset(-200.0, 0.0));
|
||||
expect(c.localToGlobal(const Offset(0.0, 0.0)), const Offset(200.0, 0.0));
|
||||
expect(d.localToGlobal(const Offset(0.0, 0.0)), const Offset(600.0, 0.0));
|
||||
expect(e.localToGlobal(const Offset(0.0, 0.0)), const Offset(1000.0, 0.0));
|
||||
|
||||
root.offset = ViewportOffset.fixed(900.0);
|
||||
pumpFrame();
|
||||
expect(a.localToGlobal(const Offset(0.0, 0.0)), const Offset(-900.0, 0.0));
|
||||
expect(b.localToGlobal(const Offset(0.0, 0.0)), const Offset(-500.0, 0.0));
|
||||
expect(c.localToGlobal(const Offset(0.0, 0.0)), const Offset(-100.0, 0.0));
|
||||
expect(d.localToGlobal(const Offset(0.0, 0.0)), const Offset(300.0, 0.0));
|
||||
expect(e.localToGlobal(const Offset(0.0, 0.0)), const Offset(700.0, 0.0));
|
||||
|
||||
final BoxHitTestResult result = BoxHitTestResult();
|
||||
root.hitTest(result, position: const Offset(150.0, 450.0));
|
||||
expect(result.path.first.target, equals(c));
|
||||
});
|
||||
|
||||
test('RenderShrinkWrappingViewport basic test - left', () {
|
||||
RenderBox a, b, c, d, e;
|
||||
final RenderShrinkWrappingViewport root = RenderShrinkWrappingViewport(
|
||||
axisDirection: AxisDirection.left,
|
||||
crossAxisDirection: AxisDirection.down,
|
||||
offset: ViewportOffset.zero(),
|
||||
children: <RenderSliver>[
|
||||
RenderSliverToBoxAdapter(
|
||||
child: a = RenderSizedBox(const Size(400.0, 100.0))),
|
||||
RenderSliverToBoxAdapter(
|
||||
child: b = RenderSizedBox(const Size(400.0, 100.0))),
|
||||
RenderSliverToBoxAdapter(
|
||||
child: c = RenderSizedBox(const Size(400.0, 100.0))),
|
||||
RenderSliverToBoxAdapter(
|
||||
child: d = RenderSizedBox(const Size(400.0, 100.0))),
|
||||
RenderSliverToBoxAdapter(
|
||||
child: e = RenderSizedBox(const Size(400.0, 100.0))),
|
||||
],
|
||||
);
|
||||
layout(root);
|
||||
|
||||
expect(root.size.width, equals(800.0));
|
||||
expect(root.size.height, equals(600.0));
|
||||
|
||||
expect(a.localToGlobal(const Offset(0.0, 0.0)), const Offset(400.0, 0.0));
|
||||
expect(b.localToGlobal(const Offset(0.0, 0.0)), const Offset(0.0, 0.0));
|
||||
expect(c.localToGlobal(const Offset(0.0, 0.0)), const Offset(-400.0, 0.0));
|
||||
expect(d.localToGlobal(const Offset(0.0, 0.0)), const Offset(-800.0, 0.0));
|
||||
expect(e.localToGlobal(const Offset(0.0, 0.0)), const Offset(-1200.0, 0.0));
|
||||
|
||||
root.offset = ViewportOffset.fixed(200.0);
|
||||
pumpFrame();
|
||||
expect(a.localToGlobal(const Offset(0.0, 0.0)), const Offset(600.0, 0.0));
|
||||
expect(b.localToGlobal(const Offset(0.0, 0.0)), const Offset(200.0, 0.0));
|
||||
expect(c.localToGlobal(const Offset(0.0, 0.0)), const Offset(-200.0, 0.0));
|
||||
expect(d.localToGlobal(const Offset(0.0, 0.0)), const Offset(-600.0, 0.0));
|
||||
expect(e.localToGlobal(const Offset(0.0, 0.0)), const Offset(-1000.0, 0.0));
|
||||
|
||||
root.offset = ViewportOffset.fixed(600.0);
|
||||
pumpFrame();
|
||||
expect(a.localToGlobal(const Offset(0.0, 0.0)), const Offset(1000.0, 0.0));
|
||||
expect(b.localToGlobal(const Offset(0.0, 0.0)), const Offset(600.0, 0.0));
|
||||
expect(c.localToGlobal(const Offset(0.0, 0.0)), const Offset(200.0, 0.0));
|
||||
expect(d.localToGlobal(const Offset(0.0, 0.0)), const Offset(-200.0, 0.0));
|
||||
expect(e.localToGlobal(const Offset(0.0, 0.0)), const Offset(-600.0, 0.0));
|
||||
|
||||
root.offset = ViewportOffset.fixed(900.0);
|
||||
pumpFrame();
|
||||
expect(a.localToGlobal(const Offset(0.0, 0.0)), const Offset(1300.0, 0.0));
|
||||
expect(b.localToGlobal(const Offset(0.0, 0.0)), const Offset(900.0, 0.0));
|
||||
expect(c.localToGlobal(const Offset(0.0, 0.0)), const Offset(500.0, 0.0));
|
||||
expect(d.localToGlobal(const Offset(0.0, 0.0)), const Offset(100.0, 0.0));
|
||||
expect(e.localToGlobal(const Offset(0.0, 0.0)), const Offset(-300.0, 0.0));
|
||||
|
||||
final BoxHitTestResult result = BoxHitTestResult();
|
||||
root.hitTest(result, position: const Offset(550.0, 150.0));
|
||||
expect(result.path.first.target, equals(c));
|
||||
});
|
||||
|
||||
test('RenderShrinkWrappingViewport shrinkwrap test - 1 child', () {
|
||||
RenderBox child;
|
||||
final RenderBox root = RenderPositionedBox(
|
||||
child: child = RenderShrinkWrappingViewport(
|
||||
axisDirection: AxisDirection.left,
|
||||
crossAxisDirection: AxisDirection.down,
|
||||
offset: ViewportOffset.fixed(200.0),
|
||||
children: <RenderSliver>[
|
||||
RenderSliverToBoxAdapter(
|
||||
child: RenderSizedBox(const Size(400.0, 100.0))),
|
||||
],
|
||||
),
|
||||
);
|
||||
layout(root);
|
||||
|
||||
expect(root.size.width, equals(800.0));
|
||||
expect(root.size.height, equals(600.0));
|
||||
expect(child.size.width, equals(400.0));
|
||||
expect(child.size.height, equals(600.0));
|
||||
});
|
||||
|
||||
test('RenderShrinkWrappingViewport shrinkwrap test - 2 children', () {
|
||||
RenderBox child;
|
||||
final RenderBox root = RenderPositionedBox(
|
||||
child: child = RenderShrinkWrappingViewport(
|
||||
axisDirection: AxisDirection.right,
|
||||
crossAxisDirection: AxisDirection.down,
|
||||
offset: ViewportOffset.fixed(200.0),
|
||||
children: <RenderSliver>[
|
||||
RenderSliverToBoxAdapter(
|
||||
child: RenderSizedBox(const Size(300.0, 100.0))),
|
||||
RenderSliverToBoxAdapter(
|
||||
child: RenderSizedBox(const Size(150.0, 100.0))),
|
||||
],
|
||||
),
|
||||
);
|
||||
layout(root);
|
||||
|
||||
expect(root.size.width, equals(800.0));
|
||||
expect(root.size.height, equals(600.0));
|
||||
expect(child.size.width, equals(450.0));
|
||||
expect(child.size.height, equals(600.0));
|
||||
});
|
||||
|
||||
test('SliverGeometry toString', () {
|
||||
expect(
|
||||
const SliverGeometry().toString(),
|
||||
equals('SliverGeometry(scrollExtent: 0.0, hidden, maxPaintExtent: 0.0)'),
|
||||
);
|
||||
expect(
|
||||
const SliverGeometry(
|
||||
scrollExtent: 100.0,
|
||||
paintExtent: 50.0,
|
||||
layoutExtent: 20.0,
|
||||
visible: true,
|
||||
).toString(),
|
||||
equals(
|
||||
'SliverGeometry(scrollExtent: 100.0, paintExtent: 50.0, layoutExtent: 20.0, maxPaintExtent: 0.0, cacheExtent: 20.0)',
|
||||
),
|
||||
);
|
||||
expect(
|
||||
const SliverGeometry(
|
||||
scrollExtent: 100.0,
|
||||
paintExtent: 0.0,
|
||||
layoutExtent: 20.0,
|
||||
).toString(),
|
||||
equals(
|
||||
'SliverGeometry(scrollExtent: 100.0, hidden, layoutExtent: 20.0, maxPaintExtent: 0.0, cacheExtent: 20.0)',
|
||||
),
|
||||
);
|
||||
});
|
||||
|
||||
test('Sliver paintBounds and semanticBounds - vertical', () {
|
||||
const double height = 150.0;
|
||||
|
||||
final RenderSliver sliver = RenderSliverToBoxAdapter(
|
||||
child: RenderSizedBox(const Size(400.0, height)),
|
||||
);
|
||||
final RenderViewport root = RenderViewport(
|
||||
axisDirection: AxisDirection.down,
|
||||
crossAxisDirection: AxisDirection.right,
|
||||
offset: ViewportOffset.zero(),
|
||||
children: <RenderSliver>[
|
||||
sliver,
|
||||
],
|
||||
);
|
||||
layout(root);
|
||||
|
||||
final Rect expectedRect = Rect.fromLTWH(0.0, 0.0, root.size.width, height);
|
||||
|
||||
expect(sliver.paintBounds, expectedRect);
|
||||
expect(sliver.semanticBounds, expectedRect);
|
||||
});
|
||||
|
||||
test('Sliver paintBounds and semanticBounds - horizontal', () {
|
||||
const double width = 150.0;
|
||||
|
||||
final RenderSliver sliver = RenderSliverToBoxAdapter(
|
||||
child: RenderSizedBox(const Size(width, 400.0)),
|
||||
);
|
||||
final RenderViewport root = RenderViewport(
|
||||
axisDirection: AxisDirection.right,
|
||||
crossAxisDirection: AxisDirection.down,
|
||||
offset: ViewportOffset.zero(),
|
||||
children: <RenderSliver>[
|
||||
sliver,
|
||||
],
|
||||
);
|
||||
layout(root);
|
||||
|
||||
final Rect expectedRect = Rect.fromLTWH(0.0, 0.0, width, root.size.height);
|
||||
|
||||
expect(sliver.paintBounds, expectedRect);
|
||||
expect(sliver.semanticBounds, expectedRect);
|
||||
});
|
||||
|
||||
test('precedingScrollExtent is 0.0 for first Sliver in list', () {
|
||||
const double viewportWidth = 800.0;
|
||||
final RenderSliver sliver = RenderSliverToBoxAdapter(
|
||||
child: RenderSizedBox(const Size(viewportWidth, 150.0)),
|
||||
);
|
||||
final RenderViewport root = RenderViewport(
|
||||
axisDirection: AxisDirection.down,
|
||||
crossAxisDirection: AxisDirection.right,
|
||||
offset: ViewportOffset.zero(),
|
||||
children: <RenderSliver>[
|
||||
sliver,
|
||||
],
|
||||
);
|
||||
layout(root);
|
||||
|
||||
expect(sliver.constraints.precedingScrollExtent, 0.0);
|
||||
});
|
||||
|
||||
test('precedingScrollExtent accumulates over multiple Slivers', () {
|
||||
const double viewportWidth = 800.0;
|
||||
final RenderSliver sliver1 = RenderSliverToBoxAdapter(
|
||||
child: RenderSizedBox(const Size(viewportWidth, 150.0)),
|
||||
);
|
||||
final RenderSliver sliver2 = RenderSliverToBoxAdapter(
|
||||
child: RenderSizedBox(const Size(viewportWidth, 150.0)),
|
||||
);
|
||||
final RenderSliver sliver3 = RenderSliverToBoxAdapter(
|
||||
child: RenderSizedBox(const Size(viewportWidth, 150.0)),
|
||||
);
|
||||
final RenderViewport root = RenderViewport(
|
||||
axisDirection: AxisDirection.down,
|
||||
crossAxisDirection: AxisDirection.right,
|
||||
offset: ViewportOffset.zero(),
|
||||
children: <RenderSliver>[
|
||||
sliver1,
|
||||
sliver2,
|
||||
sliver3,
|
||||
],
|
||||
);
|
||||
layout(root);
|
||||
|
||||
// The 3rd Sliver comes after 300.0px of preceding scroll extent by first 2 Slivers.
|
||||
expect(sliver3.constraints.precedingScrollExtent, 300.0);
|
||||
});
|
||||
|
||||
test('precedingScrollExtent is not impacted by scrollOffset', () {
|
||||
const double viewportWidth = 800.0;
|
||||
final RenderSliver sliver1 = RenderSliverToBoxAdapter(
|
||||
child: RenderSizedBox(const Size(viewportWidth, 150.0)),
|
||||
);
|
||||
final RenderSliver sliver2 = RenderSliverToBoxAdapter(
|
||||
child: RenderSizedBox(const Size(viewportWidth, 150.0)),
|
||||
);
|
||||
final RenderSliver sliver3 = RenderSliverToBoxAdapter(
|
||||
child: RenderSizedBox(const Size(viewportWidth, 150.0)),
|
||||
);
|
||||
final RenderViewport root = RenderViewport(
|
||||
axisDirection: AxisDirection.down,
|
||||
crossAxisDirection: AxisDirection.right,
|
||||
offset: ViewportOffset.fixed(100.0),
|
||||
children: <RenderSliver>[
|
||||
sliver1,
|
||||
sliver2,
|
||||
sliver3,
|
||||
],
|
||||
);
|
||||
layout(root);
|
||||
|
||||
// The 3rd Sliver comes after 300.0px of preceding scroll extent by first 2 Slivers.
|
||||
// In this test a ViewportOffset is applied to simulate a scrollOffset. That
|
||||
// offset is not expected to impact the precedingScrollExtent.
|
||||
expect(sliver3.constraints.precedingScrollExtent, 300.0);
|
||||
});
|
||||
|
||||
group('hit testing', () {
|
||||
test('SliverHitTestResult wrapping HitTestResult', () {
|
||||
final HitTestEntry entry1 = HitTestEntry(_DummyHitTestTarget());
|
||||
final HitTestEntry entry2 = HitTestEntry(_DummyHitTestTarget());
|
||||
final HitTestEntry entry3 = HitTestEntry(_DummyHitTestTarget());
|
||||
|
||||
final HitTestResult wrapped = HitTestResult();
|
||||
wrapped.add(entry1);
|
||||
expect(wrapped.path, equals(<HitTestEntry>[entry1]));
|
||||
|
||||
final SliverHitTestResult wrapping = SliverHitTestResult.wrap(wrapped);
|
||||
expect(wrapping.path, equals(<HitTestEntry>[entry1]));
|
||||
expect(wrapping.path, same(wrapped.path));
|
||||
|
||||
wrapping.add(entry2);
|
||||
expect(wrapping.path, equals(<HitTestEntry>[entry1, entry2]));
|
||||
expect(wrapped.path, equals(<HitTestEntry>[entry1, entry2]));
|
||||
|
||||
wrapped.add(entry3);
|
||||
expect(wrapping.path, equals(<HitTestEntry>[entry1, entry2, entry3]));
|
||||
expect(wrapped.path, equals(<HitTestEntry>[entry1, entry2, entry3]));
|
||||
});
|
||||
|
||||
test('addWithAxisOffset', () {
|
||||
final SliverHitTestResult result = SliverHitTestResult();
|
||||
final List<double> mainAxisPositions = <double>[];
|
||||
final List<double> crossAxisPositions = <double>[];
|
||||
const Offset paintOffsetDummy = Offset.zero;
|
||||
|
||||
bool isHit = result.addWithAxisOffset(
|
||||
paintOffset: paintOffsetDummy,
|
||||
mainAxisOffset: 0.0,
|
||||
crossAxisOffset: 0.0,
|
||||
mainAxisPosition: 0.0,
|
||||
crossAxisPosition: 0.0,
|
||||
hitTest: (SliverHitTestResult result,
|
||||
{double mainAxisPosition, double crossAxisPosition}) {
|
||||
expect(result, isNotNull);
|
||||
mainAxisPositions.add(mainAxisPosition);
|
||||
crossAxisPositions.add(crossAxisPosition);
|
||||
return true;
|
||||
},
|
||||
);
|
||||
expect(isHit, isTrue);
|
||||
expect(mainAxisPositions.single, 0.0);
|
||||
expect(crossAxisPositions.single, 0.0);
|
||||
mainAxisPositions.clear();
|
||||
crossAxisPositions.clear();
|
||||
|
||||
isHit = result.addWithAxisOffset(
|
||||
paintOffset: paintOffsetDummy,
|
||||
mainAxisOffset: 5.0,
|
||||
crossAxisOffset: 6.0,
|
||||
mainAxisPosition: 10.0,
|
||||
crossAxisPosition: 20.0,
|
||||
hitTest: (SliverHitTestResult result,
|
||||
{double mainAxisPosition, double crossAxisPosition}) {
|
||||
expect(result, isNotNull);
|
||||
mainAxisPositions.add(mainAxisPosition);
|
||||
crossAxisPositions.add(crossAxisPosition);
|
||||
return false;
|
||||
},
|
||||
);
|
||||
expect(isHit, isFalse);
|
||||
expect(mainAxisPositions.single, 10.0 - 5.0);
|
||||
expect(crossAxisPositions.single, 20.0 - 6.0);
|
||||
mainAxisPositions.clear();
|
||||
crossAxisPositions.clear();
|
||||
|
||||
isHit = result.addWithAxisOffset(
|
||||
paintOffset: paintOffsetDummy,
|
||||
mainAxisOffset: -5.0,
|
||||
crossAxisOffset: -6.0,
|
||||
mainAxisPosition: 10.0,
|
||||
crossAxisPosition: 20.0,
|
||||
hitTest: (SliverHitTestResult result,
|
||||
{double mainAxisPosition, double crossAxisPosition}) {
|
||||
expect(result, isNotNull);
|
||||
mainAxisPositions.add(mainAxisPosition);
|
||||
crossAxisPositions.add(crossAxisPosition);
|
||||
return false;
|
||||
},
|
||||
);
|
||||
expect(isHit, isFalse);
|
||||
expect(mainAxisPositions.single, 10.0 + 5.0);
|
||||
expect(crossAxisPositions.single, 20.0 + 6.0);
|
||||
mainAxisPositions.clear();
|
||||
crossAxisPositions.clear();
|
||||
});
|
||||
});
|
||||
}
|
||||
|
||||
class _DummyHitTestTarget implements HitTestTarget {
|
||||
@override
|
||||
void handleEvent(PointerEvent event, HitTestEntry entry) {
|
||||
// Nothing to do.
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user