browser_inspector_highlighter-01.js

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/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

"use strict";

// Test that hovering over nodes in the markup-view shows the highlighter over

// those nodes

add_task(async function () {

  info("Loading the test document and opening the inspector");

  const { inspector, highlighterTestFront } = await openInspectorForURL(

    "data:text/html;charset=utf-8,<h1>foo</h1><span>bar</span>"

);

  const { waitForHighlighterTypeShown } = getHighlighterTestHelpers(inspector);

  let isVisible = !!inspector.highlighters.getActiveHighlighter(

    inspector.highlighters.TYPES.BOXMODEL

);

  ok(!isVisible, "The highlighter is hidden by default");

  info("Selecting the test node");

  await selectNode("span", inspector);

  const container = await getContainerForSelector("h1", inspector);

  const onHighlight = waitForHighlighterTypeShown(

    inspector.highlighters.TYPES.BOXMODEL

);

  EventUtils.synthesizeMouseAtCenter(

    container.tagLine,

    { type: "mousemove" },

    inspector.markup.doc.defaultView

);

  await onHighlight;

  isVisible = await highlighterTestFront.isHighlighting();

  ok(isVisible, "The highlighter is shown on a markup container hover");

ok(

    await highlighterTestFront.assertHighlightedNode("h1"),

    "The highlighter highlights the right node"

);

});