1 files changed, 39 insertions, 0 deletions
diff --git a/layout/reftests/svg/smil/container/deferred-tree-util.js b/layout/reftests/svg/smil/container/deferred-tree-util.js
new file mode 100644
index 0000000000..71d0b41f53
--- /dev/null
+++ b/layout/reftests/svg/smil/container/deferred-tree-util.js
@@ -0,0 +1,39 @@
+function makeDiv()
+{
+  const xhtmlns="http://www.w3.org/1999/xhtml";
+  return document.createElementNS(xhtmlns, 'div');
+}
+
+function makeSvg()
+{
+  const svgns="http://www.w3.org/2000/svg";
+  var svg = document.createElementNS(svgns, 'svg');
+  svg.setAttribute('xmlns', svgns);
+  svg.setAttribute('width', '200px');
+  svg.setAttribute('height', '200px');
+  var rect = document.createElementNS(svgns, 'rect');
+  rect.setAttribute('x', '0');
+  rect.setAttribute('y', '0');
+  rect.setAttribute('width', '199');
+  rect.setAttribute('height', '199');
+  rect.setAttribute('style', 'fill: none; stroke: black');
+  var ellipse = document.createElementNS(svgns, 'ellipse');
+  ellipse.setAttribute('stroke-width', '1');
+  ellipse.setAttribute('stroke', 'black');
+  ellipse.setAttribute('fill', 'yellow');
+  ellipse.setAttribute('cx', '100');
+  ellipse.setAttribute('cy', '20');
+  ellipse.setAttribute('rx', '40');
+  ellipse.setAttribute('ry', '20');
+  var anim = document.createElementNS(svgns, 'animate');
+  anim.setAttribute('attributeName', 'cy');
+  anim.setAttribute('attributeType', 'XML');
+  anim.setAttribute('begin', '0s');
+  anim.setAttribute('from', '20');
+  anim.setAttribute('to', '170');
+  anim.setAttribute('dur', '2s');
+  ellipse.appendChild(anim);
+  svg.appendChild(rect);
+  svg.appendChild(ellipse);
+  return svg;
+}