browser_webconsole_time_methods.js

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/* Any copyright is dedicated to the Public Domain.

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

// Tests that the Console API implements the time() and timeEnd() methods.

"use strict";

const TEST_URI =

  "http://example.com/browser/devtools/client/webconsole/" +

  "test/browser/test-time-methods.html";

const TEST_URI2 =

  "data:text/html;charset=utf-8,<!DOCTYPE html><script>" +

  "console.timeEnd('bTimer');</script>";

const TEST_URI3 =

  "data:text/html;charset=utf-8,<!DOCTYPE html><script>" +

  "console.time('bTimer');console.log('smoke signal');</script>";

const TEST_URI4 =

  "data:text/html;charset=utf-8,<!DOCTYPE html>" +

  "<script>console.timeEnd('bTimer');</script>";

add_task(async function () {

  // Calling console.time('aTimer') followed by console.timeEnd('aTimer')

  // should result in the aTimer being ended, and a message like aTimer: 123ms

  // printed to the console

  const hud1 = await openNewTabAndConsole(TEST_URI);

  const aTimerCompleted = await waitFor(() =>

    findConsoleAPIMessage(hud1, "aTimer: ")

);

ok(

    aTimerCompleted.textContent.includes("- timer ended"),

    "Calling " + "console.time('a') and console.timeEnd('a')ends the 'a' timer"

);

  // Calling console.time('bTimer') in the current tab, opening a new tab

  // and calling console.timeEnd('bTimer') in the new tab should not result in

  // the bTimer in the initial tab being ended, but rather a warning message

  // output to the console: Timer "bTimer" doesn't exist

  const hud2 = await openNewTabAndConsole(TEST_URI2);

  const error1 = await waitFor(() =>

    findWarningMessage(hud2, "bTimer", ".timeEnd")

);

ok(

    error1,

    "Timers with the same name but in separate tabs do not contain " +

      "the same value"

);

  // The next tests make sure that timers with the same name but in separate

  // pages do not contain the same value.

  await navigateTo(TEST_URI3);

  // The new console front-end does not display a message when timers are started,

  // so there should not be a 'bTimer started' message on the output

  // We use this await to 'sync' until the message appears, as the console API

  // guarantees us that the smoke signal will be printed after the message for

  // console.time("bTimer") (if there were any)

  await waitFor(() => findConsoleAPIMessage(hud2, "smoke signal"));

is(

    findConsoleAPIMessage(hud2, "bTimer started"),

    undefined,

    "No message is printed to " + "the console when the timer starts"

);

  await clearOutput(hud2);

  // Calling console.time('bTimer') on a page, then navigating to another page

  // and calling console.timeEnd('bTimer') on the new console front-end should

  // result on a warning message: 'Timer "bTimer" does not exist',

  // as the timers in different pages are not related

  await navigateTo(TEST_URI4);

  const error2 = await waitFor(() =>

    findWarningMessage(hud2, "bTimer", ".timeEnd")

);

ok(

    error2,

    "Timers with the same name but in separate pages do not contain " +

      "the same value"

);

});