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";

 // Test toggling (expand/collapse) elements by clicking on twisties

 const TEST_URL = TEST_URL_ROOT + "doc_markup_toggle.html";

 let test = asyncTest(function*() {

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

   info("Getting the container for the UL parent element");

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

   info("Clicking on the UL parent expander, and waiting for children");

   let onChildren = waitForChildrenUpdated(inspector);

   let onUpdated = inspector.once("inspector-updated");

   EventUtils.synthesizeMouseAtCenter(container.expander, {},

     inspector.markup.doc.defaultView);

   yield onChildren;

   yield onUpdated;

   info("Checking that child LI elements have been created");

   for (let li of content.document.querySelectorAll("li")) {

     ok(getContainerForRawNode(li, inspector),

       "A container for the child LI element was created");

   }

   ok(container.expanded, "Parent UL container is expanded");

   info("Clicking again on the UL expander");

   // No need to wait, this is a local, synchronous operation where nodes are

   // only hidden from the view, not destroyed

   EventUtils.synthesizeMouseAtCenter(container.expander, {},

     inspector.markup.doc.defaultView);

   info("Checking that child LI elements have been hidden");

   for (let li of content.document.querySelectorAll("li")) {

     let liContainer = getContainerForRawNode(li, inspector);

     is(liContainer.elt.getClientRects().length, 0,

       "The container for the child LI element was hidden");

   }

   ok(!container.expanded, "Parent UL container is collapsed");

 });