X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=test%2Futils%2FUtils.test.ts;h=5592e68f3800d40ea888af761b5a4d1e98fb48d8;hb=6c43b4416a202dd8f4cd62a3d141182fcf18e0e5;hp=5732e57ed316673e1cbc538d9b853a0c33d90665;hpb=d4ad9d45e762ddb25f47b16c175a1509e89f422b;p=e-mobility-charging-stations-simulator.git

diff --git a/test/utils/Utils.test.ts b/test/utils/Utils.test.ts
index 5732e57e..5592e68f 100644
--- a/test/utils/Utils.test.ts
+++ b/test/utils/Utils.test.ts
@@ -1,332 +1,470 @@
+import { describe, it } from 'node:test';
+
+import { hoursToMilliseconds, hoursToSeconds } from 'date-fns';
 import { expect } from 'expect';
 
 import { Constants } from '../../src/utils/Constants';
-import { Utils } from '../../src/utils/Utils';
+import {
+  cloneObject,
+  convertToBoolean,
+  convertToDate,
+  convertToFloat,
+  convertToInt,
+  extractTimeSeriesValues,
+  formatDurationMilliSeconds,
+  formatDurationSeconds,
+  generateUUID,
+  getRandomFloat,
+  getRandomInteger,
+  hasOwnProp,
+  isArraySorted,
+  isEmptyArray,
+  isEmptyObject,
+  isEmptyString,
+  isIterable,
+  isNotEmptyArray,
+  isNotEmptyString,
+  isNullOrUndefined,
+  isObject,
+  isUndefined,
+  isValidTime,
+  max,
+  min,
+  once,
+  roundTo,
+  secureRandom,
+  sleep,
+  validateUUID,
+} from '../../src/utils/Utils';
 
-describe('Utils test suite', () => {
-  it('Verify generateUUID()/validateUUID()', () => {
-    const uuid = Utils.generateUUID();
+await describe('Utils test suite', async () => {
+  await it('Verify generateUUID()/validateUUID()', () => {
+    const uuid = generateUUID();
     expect(uuid).toBeDefined();
     expect(uuid.length).toEqual(36);
-    expect(Utils.validateUUID(uuid)).toBe(true);
-    expect(Utils.validateUUID('abcdef00-0000-4000-0000-000000000000')).toBe(true);
-    expect(Utils.validateUUID('')).toBe(false);
+    expect(validateUUID(uuid)).toBe(true);
+    expect(validateUUID('abcdef00-0000-4000-0000-000000000000')).toBe(true);
+    expect(validateUUID('')).toBe(false);
     // Shall invalidate Nil UUID
-    expect(Utils.validateUUID('00000000-0000-0000-0000-000000000000')).toBe(false);
-    expect(Utils.validateUUID('987FBC9-4BED-3078-CF07A-9141BA07C9F3')).toBe(false);
+    expect(validateUUID('00000000-0000-0000-0000-000000000000')).toBe(false);
+    expect(validateUUID('987FBC9-4BED-3078-CF07A-9141BA07C9F3')).toBe(false);
   });
 
-  it('Verify sleep()', async () => {
+  await it('Verify sleep()', async () => {
     const start = performance.now();
-    await Utils.sleep(1000);
-    const end = performance.now();
-    expect(end - start).toBeGreaterThanOrEqual(1000);
+    await sleep(1000);
+    const stop = performance.now();
+    expect(stop - start).toBeGreaterThanOrEqual(1000);
+  });
+
+  await it('Verify formatDurationMilliSeconds()', () => {
+    expect(formatDurationMilliSeconds(0)).toBe('');
+    expect(formatDurationMilliSeconds(1000)).toBe('1 second');
+    expect(formatDurationMilliSeconds(hoursToMilliseconds(4380))).toBe('182 days 12 hours');
+  });
+
+  await it('Verify formatDurationSeconds()', () => {
+    expect(formatDurationSeconds(0)).toBe('');
+    expect(formatDurationSeconds(1)).toBe('1 second');
+    expect(formatDurationSeconds(hoursToSeconds(4380))).toBe('182 days 12 hours');
   });
 
-  it('Verify convertToDate()', () => {
-    expect(Utils.convertToDate(undefined)).toBe(undefined);
-    expect(Utils.convertToDate(null)).toBe(null);
-    const invalidDate = Utils.convertToDate('');
-    expect(invalidDate instanceof Date && !isNaN(invalidDate.getTime())).toBe(false);
-    expect(Utils.convertToDate(0)).toStrictEqual(new Date('1970-01-01T00:00:00.000Z'));
+  await it('Verify isValidTime()', () => {
+    expect(isValidTime(undefined)).toBe(false);
+    expect(isValidTime(null)).toBe(false);
+    expect(isValidTime('')).toBe(false);
+    expect(isValidTime({})).toBe(false);
+    expect(isValidTime([])).toBe(false);
+    expect(isValidTime(new Map())).toBe(false);
+    expect(isValidTime(new Set())).toBe(false);
+    expect(isValidTime(new WeakMap())).toBe(false);
+    expect(isValidTime(new WeakSet())).toBe(false);
+    expect(isValidTime(-1)).toBe(true);
+    expect(isValidTime(0)).toBe(true);
+    expect(isValidTime(1)).toBe(true);
+    expect(isValidTime(-0.5)).toBe(true);
+    expect(isValidTime(0.5)).toBe(true);
+    expect(isValidTime(new Date())).toBe(true);
+  });
+
+  await it('Verify convertToDate()', () => {
+    expect(convertToDate(undefined)).toBe(undefined);
+    expect(() => convertToDate('')).toThrowError(new Error("Cannot convert to date: ''"));
+    expect(() => convertToDate('00:70:61')).toThrowError(
+      new Error("Cannot convert to date: '00:70:61'"),
+    );
+    expect(convertToDate(0)).toStrictEqual(new Date('1970-01-01T00:00:00.000Z'));
+    expect(convertToDate(-1)).toStrictEqual(new Date('1969-12-31T23:59:59.999Z'));
     const dateStr = '2020-01-01T00:00:00.000Z';
-    let date = Utils.convertToDate(dateStr);
+    let date = convertToDate(dateStr);
     expect(date).toBeInstanceOf(Date);
     expect(date).toStrictEqual(new Date(dateStr));
-    date = Utils.convertToDate(new Date(dateStr));
+    date = convertToDate(new Date(dateStr));
     expect(date).toBeInstanceOf(Date);
     expect(date).toStrictEqual(new Date(dateStr));
   });
 
-  it('Verify convertToInt()', () => {
-    expect(Utils.convertToInt(undefined)).toBe(0);
-    expect(Utils.convertToInt(null)).toBe(0);
-    expect(Utils.convertToInt(0)).toBe(0);
-    const randomInteger = Utils.getRandomInteger();
-    expect(Utils.convertToInt(randomInteger)).toEqual(randomInteger);
-    expect(Utils.convertToInt('-1')).toBe(-1);
-    expect(Utils.convertToInt('1')).toBe(1);
-    expect(Utils.convertToInt('1.1')).toBe(1);
-    expect(Utils.convertToInt('1.9')).toBe(1);
-    expect(Utils.convertToInt('1.999')).toBe(1);
-    expect(Utils.convertToInt(-1)).toBe(-1);
-    expect(Utils.convertToInt(1)).toBe(1);
-    expect(Utils.convertToInt(1.1)).toBe(1);
-    expect(Utils.convertToInt(1.9)).toBe(1);
-    expect(Utils.convertToInt(1.999)).toBe(1);
+  await it('Verify convertToInt()', () => {
+    expect(convertToInt(undefined)).toBe(0);
+    expect(convertToInt(null)).toBe(0);
+    expect(convertToInt(0)).toBe(0);
+    const randomInteger = getRandomInteger();
+    expect(convertToInt(randomInteger)).toEqual(randomInteger);
+    expect(convertToInt('-1')).toBe(-1);
+    expect(convertToInt('1')).toBe(1);
+    expect(convertToInt('1.1')).toBe(1);
+    expect(convertToInt('1.9')).toBe(1);
+    expect(convertToInt('1.999')).toBe(1);
+    expect(convertToInt(-1)).toBe(-1);
+    expect(convertToInt(1)).toBe(1);
+    expect(convertToInt(1.1)).toBe(1);
+    expect(convertToInt(1.9)).toBe(1);
+    expect(convertToInt(1.999)).toBe(1);
     expect(() => {
-      Utils.convertToInt('NaN');
-    }).toThrow('Cannot convert to integer: NaN');
+      convertToInt('NaN');
+    }).toThrow("Cannot convert to integer: 'NaN'");
   });
 
-  it('Verify convertToFloat()', () => {
-    expect(Utils.convertToFloat(undefined)).toBe(0);
-    expect(Utils.convertToFloat(null)).toBe(0);
-    expect(Utils.convertToFloat(0)).toBe(0);
-    const randomFloat = Utils.getRandomFloat();
-    expect(Utils.convertToFloat(randomFloat)).toEqual(randomFloat);
-    expect(Utils.convertToFloat('-1')).toBe(-1);
-    expect(Utils.convertToFloat('1')).toBe(1);
-    expect(Utils.convertToFloat('1.1')).toBe(1.1);
-    expect(Utils.convertToFloat('1.9')).toBe(1.9);
-    expect(Utils.convertToFloat('1.999')).toBe(1.999);
-    expect(Utils.convertToFloat(-1)).toBe(-1);
-    expect(Utils.convertToFloat(1)).toBe(1);
-    expect(Utils.convertToFloat(1.1)).toBe(1.1);
-    expect(Utils.convertToFloat(1.9)).toBe(1.9);
-    expect(Utils.convertToFloat(1.999)).toBe(1.999);
+  await it('Verify convertToFloat()', () => {
+    expect(convertToFloat(undefined)).toBe(0);
+    expect(convertToFloat(null)).toBe(0);
+    expect(convertToFloat(0)).toBe(0);
+    const randomFloat = getRandomFloat();
+    expect(convertToFloat(randomFloat)).toEqual(randomFloat);
+    expect(convertToFloat('-1')).toBe(-1);
+    expect(convertToFloat('1')).toBe(1);
+    expect(convertToFloat('1.1')).toBe(1.1);
+    expect(convertToFloat('1.9')).toBe(1.9);
+    expect(convertToFloat('1.999')).toBe(1.999);
+    expect(convertToFloat(-1)).toBe(-1);
+    expect(convertToFloat(1)).toBe(1);
+    expect(convertToFloat(1.1)).toBe(1.1);
+    expect(convertToFloat(1.9)).toBe(1.9);
+    expect(convertToFloat(1.999)).toBe(1.999);
     expect(() => {
-      Utils.convertToFloat('NaN');
-    }).toThrow('Cannot convert to float: NaN');
+      convertToFloat('NaN');
+    }).toThrow("Cannot convert to float: 'NaN'");
   });
 
-  it('Verify convertToBoolean()', () => {
-    expect(Utils.convertToBoolean(undefined)).toBe(false);
-    expect(Utils.convertToBoolean(null)).toBe(false);
-    expect(Utils.convertToBoolean('true')).toBe(true);
-    expect(Utils.convertToBoolean('false')).toBe(false);
-    expect(Utils.convertToBoolean('TRUE')).toBe(true);
-    expect(Utils.convertToBoolean('FALSE')).toBe(false);
-    expect(Utils.convertToBoolean('1')).toBe(true);
-    expect(Utils.convertToBoolean('0')).toBe(false);
-    expect(Utils.convertToBoolean(1)).toBe(true);
-    expect(Utils.convertToBoolean(0)).toBe(false);
-    expect(Utils.convertToBoolean(true)).toBe(true);
-    expect(Utils.convertToBoolean(false)).toBe(false);
-    expect(Utils.convertToBoolean('')).toBe(false);
-    expect(Utils.convertToBoolean('NoNBoolean')).toBe(false);
+  await it('Verify convertToBoolean()', () => {
+    expect(convertToBoolean(undefined)).toBe(false);
+    expect(convertToBoolean(null)).toBe(false);
+    expect(convertToBoolean('true')).toBe(true);
+    expect(convertToBoolean('false')).toBe(false);
+    expect(convertToBoolean('TRUE')).toBe(true);
+    expect(convertToBoolean('FALSE')).toBe(false);
+    expect(convertToBoolean('1')).toBe(true);
+    expect(convertToBoolean('0')).toBe(false);
+    expect(convertToBoolean(1)).toBe(true);
+    expect(convertToBoolean(0)).toBe(false);
+    expect(convertToBoolean(true)).toBe(true);
+    expect(convertToBoolean(false)).toBe(false);
+    expect(convertToBoolean('')).toBe(false);
+    expect(convertToBoolean('NoNBoolean')).toBe(false);
   });
 
-  it('Verify secureRandom()', () => {
-    const random = Utils.secureRandom();
+  await it('Verify secureRandom()', () => {
+    const random = secureRandom();
     expect(typeof random === 'number').toBe(true);
     expect(random).toBeGreaterThanOrEqual(0);
     expect(random).toBeLessThan(1);
   });
 
-  it('Verify getRandomInteger()', () => {
-    let randomInteger = Utils.getRandomInteger();
+  await it('Verify getRandomInteger()', () => {
+    let randomInteger = getRandomInteger();
     expect(Number.isSafeInteger(randomInteger)).toBe(true);
     expect(randomInteger).toBeGreaterThanOrEqual(0);
     expect(randomInteger).toBeLessThanOrEqual(Constants.MAX_RANDOM_INTEGER);
-    expect(randomInteger).not.toEqual(Utils.getRandomInteger());
-    randomInteger = Utils.getRandomInteger(0, -Constants.MAX_RANDOM_INTEGER);
+    expect(randomInteger).not.toEqual(getRandomInteger());
+    randomInteger = getRandomInteger(0, -Constants.MAX_RANDOM_INTEGER);
     expect(randomInteger).toBeGreaterThanOrEqual(-Constants.MAX_RANDOM_INTEGER);
     expect(randomInteger).toBeLessThanOrEqual(0);
-    expect(() => Utils.getRandomInteger(0, 1)).toThrowError(
-      'The value of "max" is out of range. It must be greater than the value of "min" (1). Received 1'
+    expect(() => getRandomInteger(0, 1)).toThrowError(
+      'The value of "max" is out of range. It must be greater than the value of "min" (1). Received 1',
     );
-    expect(() => Utils.getRandomInteger(-1)).toThrowError(
-      'The value of "max" is out of range. It must be greater than the value of "min" (0). Received 0'
+    expect(() => getRandomInteger(-1)).toThrowError(
+      'The value of "max" is out of range. It must be greater than the value of "min" (0). Received 0',
     );
-    expect(() => Utils.getRandomInteger(Constants.MAX_RANDOM_INTEGER + 1)).toThrowError(
+    expect(() => getRandomInteger(Constants.MAX_RANDOM_INTEGER + 1)).toThrowError(
       `The value of "max" is out of range. It must be <= ${
         Constants.MAX_RANDOM_INTEGER + 1
-      }. Received 281_474_976_710_656`
+      }. Received 281_474_976_710_656`,
     );
-    randomInteger = Utils.getRandomInteger(2, 1);
+    randomInteger = getRandomInteger(2, 1);
     expect(randomInteger).toBeGreaterThanOrEqual(1);
     expect(randomInteger).toBeLessThanOrEqual(2);
-    const max = 2.2,
-      min = 1.1;
-    randomInteger = Utils.getRandomInteger(max, min);
-    expect(randomInteger).toBeGreaterThanOrEqual(Math.ceil(min));
-    expect(randomInteger).toBeLessThanOrEqual(Math.floor(max));
+    const maximum = 2.2,
+      minimum = 1.1;
+    randomInteger = getRandomInteger(maximum, minimum);
+    expect(randomInteger).toBeLessThanOrEqual(Math.floor(maximum));
+    expect(randomInteger).toBeGreaterThanOrEqual(Math.ceil(minimum));
+  });
+
+  await it('Verify roundTo()', () => {
+    expect(roundTo(0, 2)).toBe(0);
+    expect(roundTo(0.5, 0)).toBe(1);
+    expect(roundTo(0.5, 2)).toBe(0.5);
+    expect(roundTo(-0.5, 0)).toBe(-1);
+    expect(roundTo(-0.5, 2)).toBe(-0.5);
+    expect(roundTo(1.005, 0)).toBe(1);
+    expect(roundTo(1.005, 2)).toBe(1.01);
+    expect(roundTo(2.175, 2)).toBe(2.18);
+    expect(roundTo(5.015, 2)).toBe(5.02);
+    expect(roundTo(-1.005, 2)).toBe(-1.01);
+    expect(roundTo(-2.175, 2)).toBe(-2.18);
+    expect(roundTo(-5.015, 2)).toBe(-5.02);
   });
 
-  it('Verify getRandomFloat()', () => {
-    let randomFloat = Utils.getRandomFloat();
+  await it('Verify getRandomFloat()', () => {
+    let randomFloat = getRandomFloat();
     expect(typeof randomFloat === 'number').toBe(true);
     expect(randomFloat).toBeGreaterThanOrEqual(0);
     expect(randomFloat).toBeLessThanOrEqual(Number.MAX_VALUE);
-    expect(randomFloat).not.toEqual(Utils.getRandomFloat());
-    expect(() => Utils.getRandomFloat(0, 1)).toThrowError(new RangeError('Invalid interval'));
-    expect(() => Utils.getRandomFloat(Number.MAX_VALUE, -Number.MAX_VALUE)).toThrowError(
-      new RangeError('Invalid interval')
+    expect(randomFloat).not.toEqual(getRandomFloat());
+    expect(() => getRandomFloat(0, 1)).toThrowError(new RangeError('Invalid interval'));
+    expect(() => getRandomFloat(Number.MAX_VALUE, -Number.MAX_VALUE)).toThrowError(
+      new RangeError('Invalid interval'),
     );
-    randomFloat = Utils.getRandomFloat(0, -Number.MAX_VALUE);
+    randomFloat = getRandomFloat(0, -Number.MAX_VALUE);
     expect(randomFloat).toBeGreaterThanOrEqual(-Number.MAX_VALUE);
     expect(randomFloat).toBeLessThanOrEqual(0);
   });
 
-  it('Verify isObject()', () => {
-    expect(Utils.isObject('test')).toBe(false);
-    expect(Utils.isObject(undefined)).toBe(false);
-    expect(Utils.isObject(null)).toBe(false);
-    expect(Utils.isObject(0)).toBe(false);
-    expect(Utils.isObject([])).toBe(false);
-    expect(Utils.isObject([0, 1])).toBe(false);
-    expect(Utils.isObject(['0', '1'])).toBe(false);
-    expect(Utils.isObject({})).toBe(true);
-    expect(Utils.isObject({ 1: 1 })).toBe(true);
-    expect(Utils.isObject({ '1': '1' })).toBe(true);
-    expect(Utils.isObject(new Map())).toBe(true);
-    expect(Utils.isObject(new Set())).toBe(true);
-    expect(Utils.isObject(new WeakMap())).toBe(true);
-    expect(Utils.isObject(new WeakSet())).toBe(true);
+  await it('Verify extractTimeSeriesValues()', () => {
+    expect(extractTimeSeriesValues([])).toEqual([]);
+    expect(extractTimeSeriesValues([{ timestamp: Date.now(), value: 1.1 }])).toEqual([1.1]);
+    expect(
+      extractTimeSeriesValues([
+        { timestamp: Date.now(), value: 1.1 },
+        { timestamp: Date.now(), value: 2.2 },
+      ]),
+    ).toEqual([1.1, 2.2]);
   });
 
-  it('Verify cloneObject()', () => {
+  await it('Verify isObject()', () => {
+    expect(isObject('test')).toBe(false);
+    expect(isObject(undefined)).toBe(false);
+    expect(isObject(null)).toBe(false);
+    expect(isObject(0)).toBe(false);
+    expect(isObject([])).toBe(false);
+    expect(isObject([0, 1])).toBe(false);
+    expect(isObject(['0', '1'])).toBe(false);
+    expect(isObject({})).toBe(true);
+    expect(isObject({ 1: 1 })).toBe(true);
+    expect(isObject({ '1': '1' })).toBe(true);
+    expect(isObject(new Map())).toBe(true);
+    expect(isObject(new Set())).toBe(true);
+    expect(isObject(new WeakMap())).toBe(true);
+    expect(isObject(new WeakSet())).toBe(true);
+  });
+
+  await it('Verify cloneObject()', () => {
     const obj = { 1: 1 };
-    expect(Utils.cloneObject(obj)).toStrictEqual(obj);
-    expect(Utils.cloneObject(obj) === obj).toBe(false);
+    expect(cloneObject(obj)).toStrictEqual(obj);
+    expect(cloneObject(obj) === obj).toBe(false);
+    const nestedObj = { 1: obj, 2: obj };
+    expect(cloneObject(nestedObj)).toStrictEqual(nestedObj);
+    expect(cloneObject(nestedObj) === nestedObj).toBe(false);
     const array = [1, 2];
-    expect(Utils.cloneObject(array)).toStrictEqual(array);
-    expect(Utils.cloneObject(array) === array).toBe(false);
+    expect(cloneObject(array)).toStrictEqual(array);
+    expect(cloneObject(array) === array).toBe(false);
+    const objArray = [obj, obj];
+    expect(cloneObject(objArray)).toStrictEqual(objArray);
+    expect(cloneObject(objArray) === objArray).toBe(false);
     const date = new Date();
-    expect(Utils.cloneObject(date)).toStrictEqual(date);
-    expect(Utils.cloneObject(date) === date).toBe(false);
+    expect(cloneObject(date)).toStrictEqual(date);
+    expect(cloneObject(date) === date).toBe(false);
     const map = new Map([['1', '2']]);
-    expect(Utils.cloneObject(map)).toStrictEqual(map);
-    expect(Utils.cloneObject(map) === map).toBe(false);
+    expect(cloneObject(map)).toStrictEqual({});
     const set = new Set(['1']);
-    expect(Utils.cloneObject(set)).toStrictEqual(set);
-    expect(Utils.cloneObject(set) === set).toBe(false);
+    expect(cloneObject(set)).toStrictEqual({});
     // The URL object seems to have not enumerable properties
     const url = new URL('https://domain.tld');
-    expect(Utils.cloneObject(url)).toStrictEqual(url);
-    expect(Utils.cloneObject(url) === url).toBe(true);
+    expect(cloneObject(url)).toStrictEqual({});
     const weakMap = new WeakMap([[{ 1: 1 }, { 2: 2 }]]);
-    expect(Utils.cloneObject(weakMap)).toStrictEqual(weakMap);
-    expect(Utils.cloneObject(weakMap) === weakMap).toBe(true);
+    expect(cloneObject(weakMap)).toStrictEqual({});
     const weakSet = new WeakSet([{ 1: 1 }, { 2: 2 }]);
-    expect(Utils.cloneObject(weakSet)).toStrictEqual(weakSet);
-    expect(Utils.cloneObject(weakSet) === weakSet).toBe(true);
+    expect(cloneObject(weakSet)).toStrictEqual({});
+  });
+
+  await it('Verify hasOwnProp()', () => {
+    expect(hasOwnProp('test', '')).toBe(false);
+    expect(hasOwnProp(undefined, '')).toBe(false);
+    expect(hasOwnProp(null, '')).toBe(false);
+    expect(hasOwnProp([], '')).toBe(false);
+    expect(hasOwnProp({}, '')).toBe(false);
+    expect(hasOwnProp({ 1: 1 }, 1)).toBe(true);
+    expect(hasOwnProp({ 1: 1 }, '1')).toBe(true);
+    expect(hasOwnProp({ 1: 1 }, 2)).toBe(false);
+    expect(hasOwnProp({ 1: 1 }, '2')).toBe(false);
+    expect(hasOwnProp({ '1': '1' }, '1')).toBe(true);
+    expect(hasOwnProp({ '1': '1' }, 1)).toBe(true);
+    expect(hasOwnProp({ '1': '1' }, '2')).toBe(false);
+    expect(hasOwnProp({ '1': '1' }, 2)).toBe(false);
+  });
+
+  await it('Verify isIterable()', () => {
+    expect(isIterable('')).toBe(true);
+    expect(isIterable(' ')).toBe(true);
+    expect(isIterable('test')).toBe(true);
+    expect(isIterable(undefined)).toBe(false);
+    expect(isIterable(null)).toBe(false);
+    expect(isIterable(0)).toBe(false);
+    expect(isIterable([0, 1])).toBe(true);
+    expect(isIterable({ 1: 1 })).toBe(false);
+    expect(isIterable(new Map())).toBe(true);
+    expect(isIterable(new Set())).toBe(true);
+    expect(isIterable(new WeakMap())).toBe(false);
+    expect(isIterable(new WeakSet())).toBe(false);
+  });
+
+  await it('Verify isEmptyString()', () => {
+    expect(isEmptyString('')).toBe(true);
+    expect(isEmptyString(' ')).toBe(true);
+    expect(isEmptyString('     ')).toBe(true);
+    expect(isEmptyString('test')).toBe(false);
+    expect(isEmptyString(' test')).toBe(false);
+    expect(isEmptyString('test ')).toBe(false);
+    expect(isEmptyString(undefined)).toBe(true);
+    expect(isEmptyString(null)).toBe(true);
+    expect(isEmptyString(0)).toBe(false);
+    expect(isEmptyString({})).toBe(false);
+    expect(isEmptyString([])).toBe(false);
+    expect(isEmptyString(new Map())).toBe(false);
+    expect(isEmptyString(new Set())).toBe(false);
+    expect(isEmptyString(new WeakMap())).toBe(false);
+    expect(isEmptyString(new WeakSet())).toBe(false);
+  });
+
+  await it('Verify isNotEmptyString()', () => {
+    expect(isNotEmptyString('')).toBe(false);
+    expect(isNotEmptyString(' ')).toBe(false);
+    expect(isNotEmptyString('     ')).toBe(false);
+    expect(isNotEmptyString('test')).toBe(true);
+    expect(isNotEmptyString(' test')).toBe(true);
+    expect(isNotEmptyString('test ')).toBe(true);
+    expect(isNotEmptyString(undefined)).toBe(false);
+    expect(isNotEmptyString(null)).toBe(false);
+    expect(isNotEmptyString(0)).toBe(false);
+    expect(isNotEmptyString({})).toBe(false);
+    expect(isNotEmptyString([])).toBe(false);
+    expect(isNotEmptyString(new Map())).toBe(false);
+    expect(isNotEmptyString(new Set())).toBe(false);
+    expect(isNotEmptyString(new WeakMap())).toBe(false);
+    expect(isNotEmptyString(new WeakSet())).toBe(false);
   });
 
-  it('Verify hasOwnProp()', () => {
-    expect(Utils.hasOwnProp('test', '')).toBe(false);
-    expect(Utils.hasOwnProp(undefined, '')).toBe(false);
-    expect(Utils.hasOwnProp(null, '')).toBe(false);
-    expect(Utils.hasOwnProp([], '')).toBe(false);
-    expect(Utils.hasOwnProp({}, '')).toBe(false);
-    expect(Utils.hasOwnProp({ 1: 1 }, 1)).toBe(true);
-    expect(Utils.hasOwnProp({ 1: 1 }, '1')).toBe(true);
-    expect(Utils.hasOwnProp({ 1: 1 }, 2)).toBe(false);
-    expect(Utils.hasOwnProp({ 1: 1 }, '2')).toBe(false);
-    expect(Utils.hasOwnProp({ '1': '1' }, '1')).toBe(true);
-    expect(Utils.hasOwnProp({ '1': '1' }, 1)).toBe(true);
-    expect(Utils.hasOwnProp({ '1': '1' }, '2')).toBe(false);
-    expect(Utils.hasOwnProp({ '1': '1' }, 2)).toBe(false);
+  await it('Verify isUndefined()', () => {
+    expect(isUndefined(undefined)).toBe(true);
+    expect(isUndefined(null)).toBe(false);
+    expect(isUndefined('')).toBe(false);
+    expect(isUndefined(0)).toBe(false);
+    expect(isUndefined({})).toBe(false);
+    expect(isUndefined([])).toBe(false);
+    expect(isUndefined(new Map())).toBe(false);
+    expect(isUndefined(new Set())).toBe(false);
+    expect(isUndefined(new WeakMap())).toBe(false);
+    expect(isUndefined(new WeakSet())).toBe(false);
   });
 
-  it('Verify isIterable()', () => {
-    expect(Utils.isIterable('')).toBe(true);
-    expect(Utils.isIterable(' ')).toBe(true);
-    expect(Utils.isIterable('test')).toBe(true);
-    expect(Utils.isIterable(undefined)).toBe(false);
-    expect(Utils.isIterable(null)).toBe(false);
-    expect(Utils.isIterable(0)).toBe(false);
-    expect(Utils.isIterable([0, 1])).toBe(true);
-    expect(Utils.isIterable({ 1: 1 })).toBe(false);
-    expect(Utils.isIterable(new Map())).toBe(true);
-    expect(Utils.isIterable(new Set())).toBe(true);
-    expect(Utils.isIterable(new WeakMap())).toBe(false);
-    expect(Utils.isIterable(new WeakSet())).toBe(false);
+  await it('Verify isNullOrUndefined()', () => {
+    expect(isNullOrUndefined(undefined)).toBe(true);
+    expect(isNullOrUndefined(null)).toBe(true);
+    expect(isNullOrUndefined('')).toBe(false);
+    expect(isNullOrUndefined(0)).toBe(false);
+    expect(isNullOrUndefined({})).toBe(false);
+    expect(isNullOrUndefined([])).toBe(false);
+    expect(isNullOrUndefined(new Map())).toBe(false);
+    expect(isNullOrUndefined(new Set())).toBe(false);
+    expect(isNullOrUndefined(new WeakMap())).toBe(false);
+    expect(isNullOrUndefined(new WeakSet())).toBe(false);
   });
 
-  it('Verify isEmptyString()', () => {
-    expect(Utils.isEmptyString('')).toBe(true);
-    expect(Utils.isEmptyString(' ')).toBe(true);
-    expect(Utils.isEmptyString('     ')).toBe(true);
-    expect(Utils.isEmptyString('test')).toBe(false);
-    expect(Utils.isEmptyString(' test')).toBe(false);
-    expect(Utils.isEmptyString('test ')).toBe(false);
-    expect(Utils.isEmptyString(undefined)).toBe(true);
-    expect(Utils.isEmptyString(null)).toBe(true);
-    expect(Utils.isEmptyString(0)).toBe(false);
-    expect(Utils.isEmptyString({})).toBe(false);
-    expect(Utils.isEmptyString([])).toBe(false);
-    expect(Utils.isEmptyString(new Map())).toBe(false);
-    expect(Utils.isEmptyString(new Set())).toBe(false);
-    expect(Utils.isEmptyString(new WeakMap())).toBe(false);
-    expect(Utils.isEmptyString(new WeakSet())).toBe(false);
+  await it('Verify isEmptyArray()', () => {
+    expect(isEmptyArray([])).toBe(true);
+    expect(isEmptyArray([1, 2])).toBe(false);
+    expect(isEmptyArray(['1', '2'])).toBe(false);
+    expect(isEmptyArray(undefined)).toBe(false);
+    expect(isEmptyArray(null)).toBe(false);
+    expect(isEmptyArray('')).toBe(false);
+    expect(isEmptyArray('test')).toBe(false);
+    expect(isEmptyArray(0)).toBe(false);
+    expect(isEmptyArray({})).toBe(false);
+    expect(isEmptyArray(new Map())).toBe(false);
+    expect(isEmptyArray(new Set())).toBe(false);
+    expect(isEmptyArray(new WeakMap())).toBe(false);
+    expect(isEmptyArray(new WeakSet())).toBe(false);
   });
 
-  it('Verify isNotEmptyString()', () => {
-    expect(Utils.isNotEmptyString('')).toBe(false);
-    expect(Utils.isNotEmptyString(' ')).toBe(false);
-    expect(Utils.isNotEmptyString('     ')).toBe(false);
-    expect(Utils.isNotEmptyString('test')).toBe(true);
-    expect(Utils.isNotEmptyString(' test')).toBe(true);
-    expect(Utils.isNotEmptyString('test ')).toBe(true);
-    expect(Utils.isNotEmptyString(undefined)).toBe(false);
-    expect(Utils.isNotEmptyString(null)).toBe(false);
-    expect(Utils.isNotEmptyString(0)).toBe(false);
-    expect(Utils.isNotEmptyString({})).toBe(false);
-    expect(Utils.isNotEmptyString([])).toBe(false);
-    expect(Utils.isNotEmptyString(new Map())).toBe(false);
-    expect(Utils.isNotEmptyString(new Set())).toBe(false);
-    expect(Utils.isNotEmptyString(new WeakMap())).toBe(false);
-    expect(Utils.isNotEmptyString(new WeakSet())).toBe(false);
+  await it('Verify isNotEmptyArray()', () => {
+    expect(isNotEmptyArray([])).toBe(false);
+    expect(isNotEmptyArray([1, 2])).toBe(true);
+    expect(isNotEmptyArray(['1', '2'])).toBe(true);
+    expect(isNotEmptyArray(undefined)).toBe(false);
+    expect(isNotEmptyArray(null)).toBe(false);
+    expect(isNotEmptyArray('')).toBe(false);
+    expect(isNotEmptyArray('test')).toBe(false);
+    expect(isNotEmptyArray(0)).toBe(false);
+    expect(isNotEmptyArray({})).toBe(false);
+    expect(isNotEmptyArray(new Map())).toBe(false);
+    expect(isNotEmptyArray(new Set())).toBe(false);
+    expect(isNotEmptyArray(new WeakMap())).toBe(false);
+    expect(isNotEmptyArray(new WeakSet())).toBe(false);
   });
 
-  it('Verify isUndefined()', () => {
-    expect(Utils.isUndefined(undefined)).toBe(true);
-    expect(Utils.isUndefined(null)).toBe(false);
-    expect(Utils.isUndefined('')).toBe(false);
-    expect(Utils.isUndefined(0)).toBe(false);
-    expect(Utils.isUndefined({})).toBe(false);
-    expect(Utils.isUndefined([])).toBe(false);
-    expect(Utils.isUndefined(new Map())).toBe(false);
-    expect(Utils.isUndefined(new Set())).toBe(false);
-    expect(Utils.isUndefined(new WeakMap())).toBe(false);
-    expect(Utils.isUndefined(new WeakSet())).toBe(false);
+  await it('Verify isEmptyObject()', () => {
+    expect(isEmptyObject({})).toBe(true);
+    expect(isEmptyObject({ 1: 1, 2: 2 })).toBe(false);
+    expect(isEmptyObject(new Map())).toBe(false);
+    expect(isEmptyObject(new Set())).toBe(false);
+    expect(isEmptyObject(new WeakMap())).toBe(false);
+    expect(isEmptyObject(new WeakSet())).toBe(false);
   });
 
-  it('Verify isNullOrUndefined()', () => {
-    expect(Utils.isNullOrUndefined(undefined)).toBe(true);
-    expect(Utils.isNullOrUndefined(null)).toBe(true);
-    expect(Utils.isNullOrUndefined('')).toBe(false);
-    expect(Utils.isNullOrUndefined(0)).toBe(false);
-    expect(Utils.isNullOrUndefined({})).toBe(false);
-    expect(Utils.isNullOrUndefined([])).toBe(false);
-    expect(Utils.isNullOrUndefined(new Map())).toBe(false);
-    expect(Utils.isNullOrUndefined(new Set())).toBe(false);
-    expect(Utils.isNullOrUndefined(new WeakMap())).toBe(false);
-    expect(Utils.isNullOrUndefined(new WeakSet())).toBe(false);
+  await it('Verify isArraySorted()', () => {
+    expect(
+      isArraySorted([], (a, b) => {
+        return a - b;
+      }),
+    ).toBe(true);
+    expect(
+      isArraySorted([1], (a, b) => {
+        return a - b;
+      }),
+    ).toBe(true);
+    expect(isArraySorted<number>([1, 2, 3, 4, 5], (a, b) => a - b)).toBe(true);
+    expect(isArraySorted<number>([1, 2, 3, 5, 4], (a, b) => a - b)).toBe(false);
+    expect(isArraySorted<number>([2, 1, 3, 4, 5], (a, b) => a - b)).toBe(false);
   });
 
-  it('Verify isEmptyArray()', () => {
-    expect(Utils.isEmptyArray([])).toBe(true);
-    expect(Utils.isEmptyArray([1, 2])).toBe(false);
-    expect(Utils.isEmptyArray(['1', '2'])).toBe(false);
-    expect(Utils.isEmptyArray(undefined)).toBe(false);
-    expect(Utils.isEmptyArray(null)).toBe(false);
-    expect(Utils.isEmptyArray('')).toBe(false);
-    expect(Utils.isEmptyArray('test')).toBe(false);
-    expect(Utils.isEmptyArray(0)).toBe(false);
-    expect(Utils.isEmptyArray({})).toBe(false);
-    expect(Utils.isEmptyArray(new Map())).toBe(false);
-    expect(Utils.isEmptyArray(new Set())).toBe(false);
-    expect(Utils.isEmptyArray(new WeakMap())).toBe(false);
-    expect(Utils.isEmptyArray(new WeakSet())).toBe(false);
+  await it('Verify once()', () => {
+    let called = 0;
+    const fn = () => ++called;
+    const onceFn = once(fn, this);
+    const result1 = onceFn();
+    expect(called).toBe(1);
+    expect(result1).toBe(1);
+    const result2 = onceFn();
+    expect(called).toBe(1);
+    expect(result2).toBe(1);
+    const result3 = onceFn();
+    expect(called).toBe(1);
+    expect(result3).toBe(1);
   });
 
-  it('Verify isNotEmptyArray()', () => {
-    expect(Utils.isNotEmptyArray([])).toBe(false);
-    expect(Utils.isNotEmptyArray([1, 2])).toBe(true);
-    expect(Utils.isNotEmptyArray(['1', '2'])).toBe(true);
-    expect(Utils.isNotEmptyArray(undefined)).toBe(false);
-    expect(Utils.isNotEmptyArray(null)).toBe(false);
-    expect(Utils.isNotEmptyArray('')).toBe(false);
-    expect(Utils.isNotEmptyArray('test')).toBe(false);
-    expect(Utils.isNotEmptyArray(0)).toBe(false);
-    expect(Utils.isNotEmptyArray({})).toBe(false);
-    expect(Utils.isNotEmptyArray(new Map())).toBe(false);
-    expect(Utils.isNotEmptyArray(new Set())).toBe(false);
-    expect(Utils.isNotEmptyArray(new WeakMap())).toBe(false);
-    expect(Utils.isNotEmptyArray(new WeakSet())).toBe(false);
+  await it('Verify min()', () => {
+    expect(min()).toBe(Infinity);
+    expect(min(0, 1)).toBe(0);
+    expect(min(1, 0)).toBe(0);
+    expect(min(0, -1)).toBe(-1);
+    expect(min(-1, 0)).toBe(-1);
   });
 
-  it('Verify isEmptyObject()', () => {
-    expect(Utils.isEmptyObject({})).toBe(true);
-    expect(Utils.isEmptyObject({ 1: 1, 2: 2 })).toBe(false);
-    expect(Utils.isEmptyObject(undefined)).toBe(false);
-    expect(Utils.isEmptyObject(null)).toBe(false);
-    expect(Utils.isEmptyObject(new Map())).toBe(false);
-    expect(Utils.isEmptyObject(new Set())).toBe(false);
-    expect(Utils.isEmptyObject(new WeakMap())).toBe(false);
-    expect(Utils.isEmptyObject(new WeakSet())).toBe(false);
+  await it('Verify max()', () => {
+    expect(max()).toBe(-Infinity);
+    expect(max(0, 1)).toBe(1);
+    expect(max(1, 0)).toBe(1);
+    expect(max(0, -1)).toBe(0);
+    expect(max(-1, 0)).toBe(0);
   });
 });