tenfourfox/xpcom/tests/unit/test_debugger_malloc_size_of.js
Cameron Kaiser c9b2922b70 hello FPR
2017-04-19 00:56:45 -07:00

35 lines
1.0 KiB
JavaScript

/* -*- 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.
var Cu = Components.utils;
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) {
do_print(uneval(obj));
ok(byteSize(obj), "We should get some (non-zero) byte size");
}
}