Quelle test_utils.js Sprache: JAVA

/* Any copyright is dedicated to the Public Domain.
   http://creativecommons.org/publicdomain/zero/1.0/ */

"use strict";

/**
* Tests the task creator `takeSnapshotAndCensus()` for the whole flow of
* taking a snapshot, and its sub-actions. Tests the formatNumber and
* formatPercent methods.
*/

const utils = require("resource://devtools/client/memory/utils.js");
const {
  snapshotState: states,
  viewState,
} = require("resource://devtools/client/memory/constants.js");
const { Preferences } = ChromeUtils.importESModule(
  "resource://gre/modules/Preferences.sys.mjs"
);

add_task(async function () {
  const s1 = utils.createSnapshot({ view: { state: viewState.CENSUS } });
  const s2 = utils.createSnapshot({ view: { state: viewState.CENSUS } });
  equal(
    s1.state,
    states.SAVING,
    "utils.createSnapshot() creates snapshot in saving state"
  );
  Assert.notStrictEqual(
    s1.id,
    s2.id,
    "utils.createSnapshot() creates snapshot with unique ids"
  );

  const custom = { by: "internalType", then: { by: "count", bytes: true } };
  Preferences.set(
    "devtools.memory.custom-census-displays",
    JSON.stringify({ "My Display": custom })
  );

  equal(
    utils.getCustomCensusDisplays()["My Display"].by,
    custom.by,
    "utils.getCustomCensusDisplays() returns custom displays"
  );

  ok(true, "test formatNumber util functions");
  equal(utils.formatNumber(12), "12", "formatNumber returns 12 for 12");

  equal(utils.formatNumber(0), "0", "formatNumber returns 0 for 0");
  equal(utils.formatNumber(-0), "0", "formatNumber returns 0 for -0");
  equal(utils.formatNumber(+0), "0", "formatNumber returns 0 for +0");

  equal(
    utils.formatNumber(1234567),
    "1 234 567",
    "formatNumber adds a space every 3rd digit"
  );
  equal(
    utils.formatNumber(12345678),
    "12 345 678",
    "formatNumber adds a space every 3rd digit"
  );
  equal(
    utils.formatNumber(123456789),
    "123 456 789",
    "formatNumber adds a space every 3rd digit"
  );

  equal(
    utils.formatNumber(12, true),
    "+12",
    "formatNumber can display number sign"
  );
  equal(
    utils.formatNumber(-12, true),
    "-12",
    "formatNumber can display number sign (negative)"
  );

  ok(true, "test formatPercent util functions");
  equal(utils.formatPercent(12), "12%", "formatPercent returns 12% for 12");
  equal(
    utils.formatPercent(12345),
    "12 345%",
    "formatPercent returns 12 345% for 12345"
  );

  equal(utils.formatAbbreviatedBytes(12), "12B", "Formats bytes");
  equal(utils.formatAbbreviatedBytes(12345), "12KiB", "Formats kilobytes");
  equal(utils.formatAbbreviatedBytes(12345678), "11MiB", "Formats megabytes");
  equal(
    utils.formatAbbreviatedBytes(12345678912),
    "11GiB",
    "Formats gigabytes"
  );

  equal(
    utils.hslToStyle(0.5, 0.6, 0.7),
    "hsl(180,60%,70%)",
    "hslToStyle converts an array to a style string"
  );
  equal(
    utils.hslToStyle(0, 0, 0),
    "hsl(0,0%,0%)",
    "hslToStyle converts an array to a style string"
  );
  equal(
    utils.hslToStyle(1, 1, 1),
    "hsl(360,100%,100%)",
    "hslToStyle converts an array to a style string"
  );

  equal(utils.lerp(5, 7, 0), 5, "lerp return first number for 0");
  equal(utils.lerp(5, 7, 1), 7, "lerp return second number for 1");
  equal(utils.lerp(5, 7, 0.5), 6, "lerp interpolates the numbers for 0.5");
});

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