{
  "getSelection() on HTML document with null defaultView must be null":true,
  "getSelection() on XML document with null defaultView must be null":true,
  "window.getSelection() instanceof Selection in an iframe immediately after appendChild":true,
  "document.getSelection() instanceof Selection in an iframe immediately after appendChild":true,
  "getSelection() on HTML document with null defaultView must be null inside an iframe onload":true
}