browser_net_header-request-priority.js

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/* Any copyright is dedicated to the Public Domain.

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

"use strict";

/**

 * Tests if "Request Priority" is displayed in the header panel.

*/

add_task(async function () {

  const { monitor } = await initNetMonitor(POST_RAW_URL, {

    requestCount: 1,

});

  const { document } = monitor.panelWin;

  const waitReq = waitForNetworkEvents(monitor, 1);

  EventUtils.sendMouseEvent(

    { type: "click" },

    document.querySelector(".requests-list-reload-notice-button")

);

  await waitReq;

  // Wait until the tab panel summary is displayed

  const wait = waitUntil(

    () => document.querySelectorAll(".tabpanel-summary-label")[0]

);

  EventUtils.sendMouseEvent(

    { type: "mousedown" },

    document.querySelectorAll(".request-list-item")[0]

);

  await wait;

  const requestPriorityHeaderExists = Array.from(

    document.querySelectorAll(".tabpanel-summary-label")

  ).some(header => header.textContent === "Request Priority");

is(

    requestPriorityHeaderExists,

    true,

    '"Request Priority" header is displayed in the header panel.'

);

  return teardown(monitor);

});