The Tor Browser / file revision

 /* vim: set ts=2 et sw=2 tw=80: */

 /* Any copyright is dedicated to the Public Domain.

  http://creativecommons.org/publicdomain/zero/1.0/ */

 "use strict";

 // Tests that the markup view loads only as many nodes as specified

 // by the devtools.markup.pagesize preference and that pressing the "show all nodes"

 // actually shows the nodes

 const TEST_URL = TEST_URL_ROOT + "doc_markup_pagesize_02.html";

 // Make sure nodes are hidden when there are more than 5 in a row

 Services.prefs.setIntPref("devtools.markup.pagesize", 5);

 let test = asyncTest(function*() {

   let {inspector} = yield addTab(TEST_URL).then(openInspector);

   info("Selecting the UL node");

   yield clickContainer("ul", inspector);

   info("Reloading the page with the UL node selected will expand its children");

   yield reloadPage(inspector);

   yield inspector.markup._waitForChildren();

   info("Click on the 'show all nodes' button in the UL's list of children");

   yield showAllNodes(inspector);

   assertAllNodesAreVisible(inspector);

 });

 function showAllNodes(inspector) {

   let container = getContainerForRawNode("ul", inspector);

   let button = container.elt.querySelector("button");

   ok(button, "All nodes button is here");

   let win = button.ownerDocument.defaultView;

   EventUtils.sendMouseEvent({type: "click"}, button, win);

   return inspector.markup._waitForChildren();

 }

 function assertAllNodesAreVisible(inspector) {

   let ul = getNode("ul");

   let container = getContainerForRawNode(ul, inspector);

   ok(!container.elt.querySelector("button"), "All nodes button isn't here anymore");

   is(container.children.childNodes.length, ul.children.length);

 }