<?xml version="1.0"?> <?xml-stylesheet href="chrome://global/skin/" type="text/css"?> <window xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul" class="reftest-wait" onload="setTimeout(boom, 30);"> <script> function boom() { var tree = document.getElementById("thetree"); var selection = tree.view.selection; var treecolumn0 = tree.columns[0]; var treecolumn1 = tree.columns[1]; selection.select(0); selection.currentColumn = treecolumn0; tree.parentNode.removeChild(tree); // This is expected to throw an error (it used to crash). try { selection.currentColumn = treecolumn1; } catch (ex) {} document.documentElement.removeAttribute("class"); } </script> <tree flex="1" id="thetree" seltype="cell"> <treecols> <treecol label="Name"/> <treecol label="Test"/> </treecols> <treechildren id="TC"> <treeitem id="TI1"> <treerow> <treecell label="First treecell"/> <treecell label="Second treecell"/> </treerow> </treeitem> <treeitem id="TI2"> <treerow> <treecell label="Third treecell"/> <treecell label="Fourth treecell"/> </treerow> </treeitem> </treechildren> </tree> </window>