browser_rules_pseudo-element_02.js

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/* Any copyright is dedicated to the Public Domain.

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

"use strict";

// Test that pseudoelements are displayed correctly in the markup view.

const TEST_URI = URL_ROOT + "doc_pseudoelement.html";

add_task(async function () {

  await addTab(TEST_URI);

  const { inspector } = await openRuleView();

  const node = await getNodeFront("#topleft", inspector);

  const children = await inspector.markup.walker.children(node);

  is(children.nodes.length, 3, "Element has correct number of children");

  const beforeElement = children.nodes[0];

is(

    beforeElement.tagName,

    "_moz_generated_content_before",

    "tag name is correct"

);

  await selectNode(beforeElement, inspector);

  const afterElement = children.nodes[children.nodes.length - 1];

is(

    afterElement.tagName,

    "_moz_generated_content_after",

    "tag name is correct"

);

  await selectNode(afterElement, inspector);

  const listNode = await getNodeFront("#list", inspector);

  const listChildren = await inspector.markup.walker.children(listNode);

  is(listChildren.nodes.length, 4, "<li> has correct number of children");

  const markerElement = listChildren.nodes[0];

is(

    markerElement.tagName,

    "_moz_generated_content_marker",

    "tag name is correct"

);

  await selectNode(markerElement, inspector);

  const listBeforeElement = listChildren.nodes[1];

is(

    listBeforeElement.tagName,

    "_moz_generated_content_before",

    "tag name is correct"

);

  await selectNode(listBeforeElement, inspector);

});