browser_alert_from_about_blank.js

Enable keyboard shortcuts

/* Any copyright is dedicated to the Public Domain.

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

"use strict";

add_task(async function test_check_alert_from_blank() {

  await BrowserTestUtils.withNewTab(

    "https://example.com/blank",

    async browser => {

      await SpecialPowers.spawn(browser, [], () => {

        let button = content.document.createElement("button");

        button.addEventListener("click", () => {

          let newWin = content.open(

            "about:blank",

"",

            "popup,width=600,height=600"

);

          newWin.alert("Alert from the popup.");

});

        content.document.body.append(button);

});

      let newWinPromise = BrowserTestUtils.waitForNewWindow();

      await BrowserTestUtils.synthesizeMouseAtCenter("button", {}, browser);

      let otherWin = await newWinPromise;

      Assert.equal(

        otherWin.gBrowser.currentURI?.spec,

        "about:blank",

        "Should have opened about:blank"

);

      Assert.equal(

        otherWin.menubar.visible,

        false,

        "Should be a popup window."

);

      let contentDialogManager = gBrowser

        .getTabDialogBox(gBrowser.selectedBrowser)

        .getContentDialogManager();

      todo_is(contentDialogManager._dialogs.length, 1, "Should have 1 dialog.");

      await BrowserTestUtils.closeWindow(otherWin);

);

});