test_debugger_malloc_size_of.js

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/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */

/* vim:set ts=2 sw=2 sts=2 et: */

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

// This is just a sanity test that Gecko is giving SpiderMonkey a MallocSizeOf

// function for new JSRuntimes. There is more extensive testing around the

// expected byte sizes within SpiderMonkey's jit-tests, we just want to make

// sure that Gecko is providing SpiderMonkey with the callback it needs.

const { byteSize } = Cu.getJSTestingFunctions();

function run_test() {

  const objects = [

{},

    { w: 1, x: 2, y: 3, z: 4, a: 5 },

[],

    Array(10).fill(null),

    new RegExp("(2|two) problems", "g"),

    new Date(),

    new Uint8Array(64),

    Promise.resolve(1),

    function f() {},

    Object,

];

  for (let obj of objects) {

    info(uneval(obj));

    ok(byteSize(obj), "We should get some (non-zero) byte size");