browser_javascriptDialog_alert.js

Enable keyboard shortcuts

/* Any copyright is dedicated to the Public Domain.

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

"use strict";

// Test a browser alert is detected via Page.javascriptDialogOpening and can be

// closed with Page.handleJavaScriptDialog

add_task(async function ({ client }) {

  const { Page } = client;

  info("Enable the page domain");

  await Page.enable();

  info("Set window.alertIsClosed to false in the content page");

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

    // This boolean will be flipped after closing the dialog

    content.alertIsClosed = false;

});

  info("Create an alert dialog again");

  const { message, type } = await createAlertDialog(Page);

  is(type, "alert", "dialog event contains the correct type");

  is(message, "test-1234", "dialog event contains the correct text");

  info("Close the dialog with accept:false");

  await Page.handleJavaScriptDialog({ accept: false });

  info("Retrieve the alertIsClosed boolean on the content window");

  let alertIsClosed = await getContentProperty("alertIsClosed");

  ok(alertIsClosed, "The content process is no longer blocked on the alert");

  info("Reset window.alertIsClosed to false in the content page");

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

    content.alertIsClosed = false;

});

  info("Create an alert dialog again");

  await createAlertDialog(Page);

  info("Close the dialog with accept:true");

  await Page.handleJavaScriptDialog({ accept: true });

  alertIsClosed = await getContentProperty("alertIsClosed");

  ok(alertIsClosed, "The content process is no longer blocked on the alert");

});

function createAlertDialog(Page) {

  const onDialogOpen = Page.javascriptDialogOpening();

  info("Trigger an alert in the test page");

  SpecialPowers.spawn(gBrowser.selectedBrowser, [], () => {

    content.alert("test-1234");

    // Flip a boolean in the content page to check if the content process resumed

    // after the alert was opened.

    content.alertIsClosed = true;

});

  return onDialogOpen;