browser_webconsole_object_inspector__proto__.js

Enable keyboard shortcuts

/* Any copyright is dedicated to the Public Domain.

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

"use strict";

// Check displaying object with __proto__ in the console.

const TEST_URI =

  "data:text/html;charset=utf8,<!DOCTYPE html><h1>test Object Inspector __proto__</h1>";

add_task(async function () {

  const hud = await openNewTabAndConsole(TEST_URI);

  logAllStoreChanges(hud);

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

    const obj = Object.create(null);

    // eslint-disable-next-line no-proto

    obj.__proto__ = [];

    content.wrappedJSObject.console.log("oi-test", obj);

});

  const node = await waitFor(() => findConsoleAPIMessage(hud, "oi-test"));

  const objectInspector = node.querySelector(".tree");

  ok(objectInspector, "Object is printed in the console");

is(

    objectInspector.textContent.trim(),

    "Object { __proto__: [] }",

    "Object is displayed as expected"

);

  objectInspector.querySelector(".theme-twisty").click();

  await waitFor(() => node.querySelectorAll(".tree-node").length === 2);

  const __proto__Node = node.querySelector(".tree-node:last-of-type");

ok(

    __proto__Node.textContent.includes("__proto__: Array []"),

    "__proto__ node is displayed as expected"

);

});