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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

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Roy Tam 2018-01-19 03:59:58 +08:00
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devtools/client/memory/test/unit/test_utils.js Normal file
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/* 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.
*/
let utils = require("devtools/client/memory/utils");
let { snapshotState: states, viewState } = require("devtools/client/memory/constants");
let { Preferences } = require("resource://gre/modules/Preferences.jsm");
function run_test() {
run_next_test();
}
add_task(function* () {
let s1 = utils.createSnapshot({ view: { state: viewState.CENSUS } });
let s2 = utils.createSnapshot({ view: { state: viewState.CENSUS } });
equal(s1.state, states.SAVING, "utils.createSnapshot() creates snapshot in saving state");
ok(s1.id !== s2.id, "utils.createSnapshot() creates snapshot with unique ids");
let 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");
});