browser_flexbox_item_list_01.js

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/* Any copyright is dedicated to the Public Domain.

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

"use strict";

const {

  getStr,

} = require("resource://devtools/client/inspector/layout/utils/l10n.js");

// Test the flex item list is empty when there are no flex items for the selected flex

// container.

const TEST_URI = `

  <div id="container" style="display:flex">

  </div>

`;

add_task(async function () {

  await addTab("data:text/html;charset=utf-8," + encodeURIComponent(TEST_URI));

  const { inspector, flexboxInspector } = await openLayoutView();

  const { document: doc } = flexboxInspector;

  const HIGHLIGHTER_TYPE = inspector.highlighters.TYPES.FLEXBOX;

  const { getActiveHighlighter } = getHighlighterTestHelpers(inspector);

  const onFlexHeaderRendered = waitForDOM(doc, ".flex-header");

  await selectNode("#container", inspector);

  const [flexHeader] = await onFlexHeaderRendered;

  const flexHighlighterToggle = flexHeader.querySelector(

    "#flexbox-checkbox-toggle"

);

  const flexItemListHeader = doc.querySelector(".flex-item-list-header");

  info("Checking the state of the Flexbox Inspector.");

  ok(flexHeader, "The flex container header is rendered.");

  ok(flexHighlighterToggle, "The flexbox highlighter toggle is rendered.");

is(

    flexItemListHeader.textContent,

    getStr("flexbox.noFlexItems"),

    "The flex item list header shows 'No flex items' when there are no items."

);

ok(

    !flexHighlighterToggle.checked,

    "The flexbox highlighter toggle is unchecked."

);

ok(

    !getActiveHighlighter(HIGHLIGHTER_TYPE),

    "No flexbox highlighter is shown."

);

});