browser_tabReorder_overflow.js

Enable keyboard shortcuts

/* Any copyright is dedicated to the Public Domain.

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

"use strict";

requestLongerTimeout(2);

add_task(async function () {

  let initialTabsLength = gBrowser.tabs.length;

  let arrowScrollbox = gBrowser.tabContainer.arrowScrollbox;

  let tabMinWidth = parseInt(

    getComputedStyle(gBrowser.selectedTab, null).minWidth

);

  let width = ele => ele.getBoundingClientRect().width;

  let tabCountForOverflow = Math.ceil(

    (width(arrowScrollbox) / tabMinWidth) * 1.1

);

  let newTab1 = (gBrowser.selectedTab = BrowserTestUtils.addTab(

    gBrowser,

    "about:robots",

    { skipAnimation: true }

));

  let newTab2 = (gBrowser.selectedTab = BrowserTestUtils.addTab(

    gBrowser,

    "about:about",

    { skipAnimation: true }

));

  let newTab3 = (gBrowser.selectedTab = BrowserTestUtils.addTab(

    gBrowser,

    "about:config",

    { skipAnimation: true }

));

  await BrowserTestUtils.overflowTabs(registerCleanupFunction, window, {

    overflowAtStart: false,

});

  registerCleanupFunction(function () {

    while (gBrowser.tabs.length > initialTabsLength) {

      gBrowser.removeTab(

        gBrowser.tabContainer.getItemAtIndex(initialTabsLength)

);

});

  let tabs = gBrowser.tabs;

  is(tabs.length, tabCountForOverflow, "new tabs are opened");

  is(tabs[initialTabsLength], newTab1, "newTab1 position is correct");

  is(tabs[initialTabsLength + 1], newTab2, "newTab2 position is correct");

  is(tabs[initialTabsLength + 2], newTab3, "newTab3 position is correct");

  await dragAndDrop(newTab1, newTab2, false);

  tabs = gBrowser.tabs;

  is(tabs.length, tabCountForOverflow, "tabs are still there");

  is(tabs[initialTabsLength], newTab2, "newTab2 and newTab1 are swapped");

  is(tabs[initialTabsLength + 1], newTab1, "newTab1 and newTab2 are swapped");

  is(tabs[initialTabsLength + 2], newTab3, "newTab3 stays same place");

});