browser_tabs.js - mozsearch

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/* Any copyright is dedicated to the Public Domain.

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

"use strict";

// Test very basic CDP features.

const TEST_URL = toDataURL("default-test-page");

add_task(async function ({ CDP }) {

  // Use gBrowser.addTab instead of BrowserTestUtils as it creates the tab differently.

  // It demonstrates a race around tab.linkedBrowser.browsingContext being undefined

  // when accessing this property early.

  const tab = gBrowser.addTab(TEST_URL, {

    skipAnimation: true,

    triggeringPrincipal: Services.scriptSecurityManager.getSystemPrincipal(),

});

  await BrowserTestUtils.browserLoaded(tab.linkedBrowser);

  let targets = await getTargets(CDP);

ok(

    targets.some(target => target.url == TEST_URL),

    "Found the tab in target list"

);

  BrowserTestUtils.removeTab(tab);

  targets = await getTargets(CDP);

ok(

    !targets.some(target => target.url == TEST_URL),

    "Tab has been removed from the target list"

);

});