Create an example app that demonstrates interactive coordination of an fn tree and a raw RenderObje…

sky/sdk/lib/rendering/box.dart

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 import 'dart:math' as math;
 import 'dart:sky' as sky;
 
 import 'package:vector_math/vector_math.dart';
 
 import '../framework/debug/utils.dart';
@@ skipping 160 matching lines @@
     return clamp(min: minHeight, max: maxHeight, value: height);
   }
 
   Size constrain(Size size) {
     Size result = new Size(constrainWidth(size.width), constrainHeight(size.height));
     if (size is _DebugSize)
       result = new _DebugSize(result, size._owner, size._canBeUsedByParent);
     return result;
   }
 
-  bool get isInfinite => maxWidth >= double.INFINITY || maxHeight >= double.INFINITY;
+  bool get isInfinite => maxWidth >= double.INFINITY && maxHeight >= double.INFINITY;
 
   int get hashCode {
     int value = 373;
     value = 37 * value + minWidth.hashCode;
     value = 37 * value + maxWidth.hashCode;
     value = 37 * value + minHeight.hashCode;
     value = 37 * value + maxHeight.hashCode;
     return value;
   }
   String toString() => "BoxConstraints($minWidth<=w<$maxWidth, $minHeight<=h<$maxHeight)";
@@ skipping 851 matching lines @@
 
   void defaultPaint(RenderObjectDisplayList canvas) {
     RenderBox child = firstChild;
     while (child != null) {
       assert(child.parentData is ParentDataType);
       canvas.paintChild(child, child.parentData.position);
       child = child.parentData.nextSibling;
     }
   }
 }