# How to use isInteger method in jest-extended

Best JavaScript code snippet using jest-extended

Number.isInteger.js

Source:Number.isInteger.js

`...12 reiterate = required.subject,13 expect = required.expect;14 describe('Number.isInteger', function () {15 it('should be truthy on integers', function () {16 expect(reiterate.\$.isInteger(4)).to.be.ok();17 expect(reiterate.\$.isInteger(4.0)).to.be.ok();18 expect(reiterate.\$.isInteger(reiterate.\$.MAX_SAFE_INTEGER)).to.be.ok();19 expect(reiterate.\$.isInteger(reiterate.\$.MIN_SAFE_INTEGER)).to.be.ok();20 });21 it('should be falsy on non-integers', function () {22 var zero = 0;23 expect(reiterate.\$.isInteger()).to.not.be.ok();24 expect(reiterate.\$.isInteger(undefined)).to.not.be.ok();25 expect(reiterate.\$.isInteger(null)).to.not.be.ok();26 expect(reiterate.\$.isInteger(4.2)).to.not.be.ok();27 expect(reiterate.\$.isInteger(Infinity)).to.not.be.ok();28 expect(reiterate.\$.isInteger(-Infinity)).to.not.be.ok();29 expect(reiterate.\$.isInteger(NaN)).to.not.be.ok();30 expect(reiterate.\$.isInteger(true)).to.not.be.ok();31 expect(reiterate.\$.isInteger(false)).to.not.be.ok();32 expect(reiterate.\$.isInteger('str')).to.not.be.ok();33 expect(reiterate.\$.isInteger('')).to.not.be.ok();34 expect(reiterate.\$.isInteger({})).to.not.be.ok();35 expect(reiterate.\$.isInteger(-10.123)).to.not.be.ok();36 expect(reiterate.\$.isInteger(0)).to.be.ok();37 expect(reiterate.\$.isInteger(0.123)).to.not.be.ok();38 expect(reiterate.\$.isInteger(10)).to.be.ok();39 expect(reiterate.\$.isInteger(10.123)).to.not.be.ok();40 expect(reiterate.\$.isInteger([])).to.not.be.ok();41 expect(reiterate.\$.isInteger([10.123])).to.not.be.ok();42 expect(reiterate.\$.isInteger(new RegExp('c'))).to.not.be.ok();43 expect(reiterate.\$.isInteger(new Error('x'))).to.not.be.ok();44 /*jshint -W047 */45 expect(reiterate.\$.isInteger(10.)).to.be.ok();46 /*jshint +W047 */47 expect(reiterate.\$.isInteger(10.0)).to.be.ok();48 expect(reiterate.\$.isInteger('10.')).to.not.be.ok();49 expect(reiterate.\$.isInteger(' 10.')).to.not.be.ok();50 expect(reiterate.\$.isInteger('10. ')).to.not.be.ok();51 expect(reiterate.\$.isInteger(' 10. ')).to.not.be.ok();52 expect(reiterate.\$.isInteger('10.0')).to.not.be.ok();53 expect(reiterate.\$.isInteger(' 10.0')).to.not.be.ok();54 expect(reiterate.\$.isInteger('10.0 ')).to.not.be.ok();55 expect(reiterate.\$.isInteger(' 10.0 ')).to.not.be.ok();56 expect(reiterate.\$.isInteger('10.123')).to.not.be.ok();57 expect(reiterate.\$.isInteger(' 10.123')).to.not.be.ok();58 expect(reiterate.\$.isInteger('10.123 ')).to.not.be.ok();59 expect(reiterate.\$.isInteger(' 10.123 ')).to.not.be.ok();60 expect(reiterate.\$.isInteger('-1')).to.not.be.ok();61 expect(reiterate.\$.isInteger('0')).to.not.be.ok();62 expect(reiterate.\$.isInteger('1')).to.not.be.ok();63 expect(reiterate.\$.isInteger('-1.')).to.not.be.ok();64 expect(reiterate.\$.isInteger('0.')).to.not.be.ok();65 expect(reiterate.\$.isInteger('1.')).to.not.be.ok();66 /*jshint -W047 */67 expect(reiterate.\$.isInteger(-1.)).to.be.ok();68 expect(reiterate.\$.isInteger(0.)).to.be.ok();69 expect(reiterate.\$.isInteger(1.)).to.be.ok();70 /*jshint +W047 */71 expect(reiterate.\$.isInteger(new Date(2013, 11, 11))).to.not.be.ok();72 expect(reiterate.\$.isInteger(new Date(2013, 11, 11).getTime()))73 .to.be.ok();74 expect(reiterate.\$.isInteger('NaN')).to.not.be.ok();75 expect(reiterate.\$.isInteger('Infinity')).to.not.be.ok();76 expect(reiterate.\$.isInteger('-Infinity')).to.not.be.ok();77 expect(reiterate.\$.isInteger([])).to.not.be.ok();78 expect(reiterate.\$.isInteger([1])).to.not.be.ok();79 expect(reiterate.\$.isInteger([1.1])).to.not.be.ok();80 expect(reiterate.\$.isInteger({81 valueOf: function () {82 return 3;83 }84 })).to.not.be.ok();85 expect(reiterate.\$.isInteger({86 valueOf: function () {87 return zero / zero;88 }89 })).to.not.be.ok();90 expect(reiterate.\$.isInteger({91 valueOf: function () {92 throw 17;93 }94 })).to.not.be.ok();95 expect(reiterate.\$.isInteger({96 toString: function () {97 throw 17;98 }99 })).to.not.be.ok();100 expect(reiterate.\$.isInteger({101 valueOf: function () {102 throw 17;103 },104 toString: function () {105 throw 42;106 }107 })).to.not.be.ok();108 });109 it('should be false when the type is not number', function () {110 var nonNumbers = [111 false,112 true,113 null,114 undefined,115 '',116 reiterate.\$.noop, {117 valueOf: function () {118 return 3;119 }120 },121 new RegExp('a', 'g'), {}122 ];123 reiterate.\$.forEach(nonNumbers, function (thing) {124 expect(reiterate.\$.isInteger(thing)).to.not.be.ok();125 });126 });127 it('should be false when NaN', function () {128 expect(reiterate.\$.isInteger(NaN)).to.not.be.ok();129 });130 it('should be false when Infinity', function () {131 expect(reiterate.\$.isInteger(Infinity)).to.not.be.ok();132 expect(reiterate.\$.isInteger(-Infinity)).to.not.be.ok();133 });134 it('should be false when number is not integer', function () {135 expect(reiterate.\$.isInteger(3.4)).to.not.be.ok();136 expect(reiterate.\$.isInteger(-3.4)).to.not.be.ok();137 });138 it('should be true when abs(number) is 2^53 or larger', function () {139 expect(reiterate.\$.isInteger(Math.pow(2, 53))).to.be.ok();140 expect(reiterate.\$.isInteger(-Math.pow(2, 53))).to.be.ok();141 });142 it('should be true when abs(number) is less than 2^53', function () {143 var safeIntegers = [0, 1, Math.pow(2, 53) - 1];144 reiterate.\$.forEach(safeIntegers, function (safeInt) {145 expect(reiterate.\$.isInteger(safeInt)).to.be.ok();146 expect(reiterate.\$.isInteger(-safeInt)).to.be.ok();147 });148 });149 });...`

07-utils-isInteger.js

Source:07-utils-isInteger.js

`1/*eslint-env mocha*/2/*global chai*/3/* Test cases from MDN: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/isInteger#Examples4Number.isInteger(0); // true5Number.isInteger(1); // true6Number.isInteger(-100000); // true7Number.isInteger(99999999999999999999999); // true8Number.isInteger(0.1); // false9Number.isInteger(Math.PI); // false10Number.isInteger(NaN); // false11Number.isInteger(Infinity); // false12Number.isInteger(-Infinity); // false13Number.isInteger('10'); // false14Number.isInteger(true); // false15Number.isInteger(false); // false16Number.isInteger([1]); // false17*/18describe("BOOMR.utils.isInteger()", function() {19 var assert = chai.assert;20 // Blow away the original isInteger method to exercise the polyfill21 // in BOOMR.utils.isInteger().22 var origIsInteger = Number.isInteger;23 Number.isInteger = undefined;24 it("Should not have access to the native Number.isInteger function", function() {25 assert.isUndefined(Number.isInteger);26 });27 it("Should return false when input is not an integer", function(){28 assert.isUndefined(Number.isInteger);29 assert.isFalse(BOOMR.utils.isInteger("-123"));30 assert.isFalse(BOOMR.utils.isInteger("123"));31 assert.isFalse(BOOMR.utils.isInteger("stringvalue"));32 assert.isFalse(BOOMR.utils.isInteger(0.1));33 assert.isFalse(BOOMR.utils.isInteger(Math.PI));34 assert.isFalse(BOOMR.utils.isInteger(NaN));35 assert.isFalse(BOOMR.utils.isInteger(Infinity));36 assert.isFalse(BOOMR.utils.isInteger(-Infinity));37 assert.isFalse(BOOMR.utils.isInteger(true));38 assert.isFalse(BOOMR.utils.isInteger(false));39 assert.isFalse(BOOMR.utils.isInteger([1]));40 });41 it("Should return true when input is an integer", function() {42 assert.isUndefined(Number.isInteger);43 assert.isTrue(BOOMR.utils.isInteger(1));44 assert.isTrue(BOOMR.utils.isInteger(0));45 assert.isTrue(BOOMR.utils.isInteger(-100000));46 assert.isTrue(BOOMR.utils.isInteger(99999999999999999999999));47 });48 it("Should have restored accesss to the native Number.isInteger function", function() {49 Number.isInteger = origIsInteger;50 assert.isDefined(Number.isInteger);51 });...`

number-isinteger-inl.js

Source:number-isinteger-inl.js

`2// Use of this source code is governed by a BSD-style license that can be3// found in the LICENSE file.4// Flags: --allow-natives-syntax5function test() {6 assertTrue(Number.isInteger(0));7 assertFalse(Number.isInteger(Number.MIN_VALUE));8 assertTrue(Number.isInteger(Number.MAX_VALUE));9 assertTrue(Number.isInteger(Number.MIN_SAFE_INTEGER));10 assertTrue(Number.isInteger(Number.MIN_SAFE_INTEGER - 13));11 assertTrue(Number.isInteger(Number.MAX_SAFE_INTEGER));12 assertTrue(Number.isInteger(Number.MAX_SAFE_INTEGER + 23));13 assertTrue(Number.isInteger(0));14 assertTrue(Number.isInteger(-1));15 assertTrue(Number.isInteger(123456));16 assertFalse(Number.isInteger(Number.NaN));17 assertFalse(Number.isInteger(Number.POSITIVE_INFINITY));18 assertFalse(Number.isInteger(Number.NEGATIVE_INFINITY));19 assertFalse(Number.isInteger(1 / 0));20 assertFalse(Number.isInteger(-1 / 0));21 assertFalse(Number.isInteger(Number.EPSILON));22}23%PrepareFunctionForOptimization(test);24test();25test();26%OptimizeFunctionOnNextCall(test);27test();28function test2() {29 assertTrue(Number.isInteger(0));30 assertFalse(Number.isInteger(Number.MIN_VALUE));31 assertTrue(Number.isInteger(Number.MAX_VALUE));32 assertTrue(Number.isInteger(Number.MIN_SAFE_INTEGER));33 assertTrue(Number.isInteger(Number.MIN_SAFE_INTEGER - 13));34 assertTrue(Number.isInteger(Number.MAX_SAFE_INTEGER));35 assertTrue(Number.isInteger(Number.MAX_SAFE_INTEGER + 23));36 assertTrue(Number.isInteger(0));37 assertTrue(Number.isInteger(-1));38 assertTrue(Number.isInteger(123456));39 assertFalse(Number.isInteger(Number.NaN));40 assertFalse(Number.isInteger(Number.POSITIVE_INFINITY));41 assertFalse(Number.isInteger(Number.NEGATIVE_INFINITY));42 assertFalse(Number.isInteger(1 / 0));43 assertFalse(Number.isInteger(-1 / 0));44 assertFalse(Number.isInteger(Number.EPSILON));45}46%PrepareFunctionForOptimization(test2);47test2();48test2();49%OptimizeFunctionOnNextCall(test2);...`

Using AI Code Generation

`1const { isInteger } = require('jest-extended');2test('isInteger', () => {3 expect(isInteger(1)).toBe(true);4 expect(isInteger(1.0)).toBe(true);5 expect(isInteger(1.1)).toBe(false);6});7const { isInteger } = require('jest-extended');8test('isInteger', () => {9 expect(isInteger(1)).toBe(true);10 expect(isInteger(1.0)).toBe(true);11 expect(isInteger(1.1)).toBe(false);12});13const { isInteger } = require('jest-extended');14test('isInteger', () => {15 expect(isInteger(1)).toBe(true);16 expect(isInteger(1.0)).toBe(true);17 expect(isInteger(1.1)).toBe(false);18});19const { isInteger } = require('jest-extended');20test('isInteger', () => {21 expect(isInteger(1)).toBe(true);22 expect(isInteger(1.0)).toBe(true);23 expect(isInteger(1.1)).toBe(false);24});25const { isInteger } = require('jest-extended');26test('isInteger', () => {27 expect(isInteger(1)).toBe(true);28 expect(isInteger(1.0)).toBe(true);29 expect(isInteger(1.1)).toBe(false);30});31const { isInteger } = require('jest-extended');32test('isInteger', () => {33 expect(isInteger(1)).toBe(true);34 expect(isInteger(1.0)).toBe(true);35 expect(isInteger(1.1)).toBe(false);36});37const { isInteger } = require('jest-extended');38test('isInteger', () => {39 expect(isInteger(1)).toBe(true);40 expect(isInteger(1.0)).toBe(true);41 expect(isInteger(1.1)).toBe(false);42});`

Using AI Code Generation

`1const { isInteger } = require("jest-extended");2describe("isInteger", () => {3 it("should pass", () => {4 expect(1).isInteger();5 });6 it("should fail", () => {7 expect(1.1).isInteger();8 });9});10 ✓ should pass (2ms)11 ✕ should fail (1ms)12 expect(received).isInteger()13 Expected value to be a integer (number with no decimals or exponential notation), instead received14 at Object.<anonymous> (test.js:9:22)15const { isString } = require("jest-extended");16describe("isString", () => {17 it("should pass", () => {18 expect("string").isString();19 });20 it("should fail", () => {21 expect(1).isString();22 });23});24 ✓ should pass (1ms)25 ✕ should fail (1ms)26 expect(received).isString()27 at Object.<anonymous> (test.js:9:22)`

Using AI Code Generation

`1const { isInteger } = require('jest-extended');2describe('isInteger', () => {3 test('isInteger', () => {4 expect(isInteger(1)).toBe(true);5 expect(isInteger(1.0)).toBe(true);6 expect(isInteger(1.1)).toBe(false);7 expect(isInteger(Infinity)).toBe(false);8 expect(isInteger(NaN)).toBe(false);9 });10});11 ✓ isInteger (3ms)`

Using AI Code Generation

`1const { isInteger } = require('jest-extended');2test('isInteger', () => {3 expect(isInteger(1)).toBe(true);4 expect(isInteger(1.0)).toBe(true);5 expect(isInteger(0)).toBe(true);6 expect(isInteger(1.1)).toBe(false);7 expect(isInteger(Infinity)).toBe(false);8 expect(isInteger(-Infinity)).toBe(false);9 expect(isInteger(NaN)).toBe(false);10 expect(isInteger('1')).toBe(false);11 expect(isInteger('1.1')).toBe(false);12 expect(isInteger('')).toBe(false);13 expect(isInteger('string')).toBe(false);14 expect(isInteger([])).toBe(false);15 expect(isInteger([1])).toBe(false);16 expect(isInteger({})).toBe(false);17 expect(isInteger({ a: 1 })).toBe(false);18 expect(isInteger(null)).toBe(false);19 expect(isInteger(undefined)).toBe(false);20 expect(isInteger(true)).toBe(false);21 expect(isInteger(false)).toBe(false);22});`

Using AI Code Generation

`1const isInteger = require('jest-extended');2test('isInteger', () => {3 expect(isInteger(1)).toBeTruthy();4 expect(isInteger(0)).toBeTruthy();5 expect(isInteger(-1)).toBeTruthy();6 expect(isInteger(1.1)).toBeFalsy();7 expect(isInteger(1.0)).toBeFalsy();8 expect(isInteger(Infinity)).toBeFalsy();9 expect(isInteger(-Infinity)).toBeFalsy();10 expect(isInteger(NaN)).toBeFalsy();11 expect(isInteger('1')).toBeFalsy();12 expect(isInteger('1.1')).toBeFalsy();13 expect(isInteger('0')).toBeFalsy();14 expect(isInteger('')).toBeFalsy();15 expect(isInteger(true)).toBeFalsy();16 expect(isInteger(false)).toBeFalsy();17 expect(isInteger(null)).toBeFalsy();18 expect(isInteger(undefined)).toBeFalsy();19 expect(isInteger([])).toBeFalsy();20 expect(isInteger({})).toBeFalsy();21 expect(isInteger({a:1})).toBeFalsy();22 expect(isInteger(new Date())).toBeFalsy();23 expect(isInteger(/a/)).toBeFalsy();24 expect(isInteger(new Error())).toBeFalsy();25 expect(isInteger(() => {})).toBeFalsy();26 expect(isInteger(async () => {})).toBeFalsy();27 expect(isInteger(function () {})).toBeFalsy();28 expect(isInteger(function* () {})).toBeFalsy();29 expect(isInteger(new Promise((resolve) => resolve()))).toBeFalsy();30 expect(isInteger(new Int8Array())).toBeFalsy();31 expect(isInteger(new Int16Array())).toBeFalsy();32 expect(isInteger(new Int32Array())).toBeFalsy();33 expect(isInteger(new Uint8Array())).toBeFalsy();34 expect(isInteger(new Uint8ClampedArray())).toBeFalsy();35 expect(isInteger(new Uint16Array())).toBeFalsy();36 expect(isInteger(new Uint32Array())).toBeFalsy();37 expect(isInteger(new Float32Array())).toBeFalsy();38 expect(isInteger(new Float64Array())).toBeFalsy();39 expect(isInteger(new Map())).toBeFalsy();40 expect(isInteger(new Set())).toBeFalsy();41 expect(isInteger(new WeakMap())).toBeFalsy();42 expect(isInteger(new WeakSet())).toBeFalsy();43 expect(isInteger(new ArrayBuffer())).toBeFalsy();44 expect(isInteger(new DataView(new ArrayBuffer()))).toBeFalsy();45 expect(isInteger(new Int8Array())).toBeFalsy();46 expect(isInteger(new Int16Array())).toBeFalsy();47 expect(isInteger(new Int32Array())).toBeFalsy();48 expect(isInteger(new Uint8Array())).toBeFalsy();49 expect(isInteger(new Uint8ClampedArray())).toBeFalsy();50 expect(isInteger(new`

Using AI Code Generation

`1const { isInteger } = require('jest-extended');2describe('test isInteger method of jest-extended', () => {3 it('should return true if the value is an integer', () => {4 expect(isInteger(1)).toBe(true);5 });6 it('should return false if the value is a float', () => {7 expect(isInteger(1.2)).toBe(false);8 });9});`

Using AI Code Generation

`1const isInteger = require('jest-extended');2const isInteger = require('jest-extended');3const { isInteger } = require('jest-extended');4const { isInteger } = require('jest-extended');5import isInteger from 'jest-extended';6import isInteger from 'jest-extended';7import { isInteger } from 'jest-extended';8import { isInteger } from 'jest-extended';9const isInteger = require('jest-extended').isInteger;10const isInteger = require('jest-extended').isInteger;11const { isInteger } = require('jest-extended');12const { isInteger } = require('jest-extended');13import isInteger from 'jest-extended';14import isInteger from 'jest-extended';15import { isInteger } from 'jest-extended';16import { isInteger } from 'jest-extended';17const isInteger = require('jest-extended').isInteger;18const isInteger = require('jest-extended').isInteger;19const { isInteger } = require('jest-extended');20const { isInteger }`

Using AI Code Generation

`1const { isInteger } = require('jest-extended');2test('isInteger', () => {3 expect(isInteger(1)).toBe(true);4 expect(isInteger(1.1)).toBe(false);5});6{7 "scripts": {8 },9 "dependencies": {10 },11 "devDependencies": {12 }13}14module.exports = {15};16 ✓ isInteger (3ms)`

Using AI Code Generation

`1const {isInteger} = require('jest-extended');2test('checks if 1 is an integer', () => {3 expect(isInteger(1)).toBe(true);4});5const {isInteger} = require('jest-extended');6test('checks if 1 is an integer', () => {7 expect(isInteger(1)).toBe(true);8});9const {isInteger} = require('jest-extended');10test('checks if 1 is an integer', () => {11 expect(isInteger(1)).toBe(true);12});13const {isInteger} = require('jest-extended');14test('checks if 1 is an integer', () => {15 expect(isInteger(1)).toBe(true);16});17const {isInteger} = require('jest-extended');18test('checks if 1 is an integer', () => {19 expect(isInteger(1)).toBe(true);20});21const {isInteger} = require('jest-extended');22test('checks if 1 is an integer', () => {23 expect(isInteger(1)).toBe(true);24});25const {isInteger} = require('jest-extended');26test('checks if 1 is an integer', () => {27 expect(isInteger(1)).toBe(true);28});29const {isInteger} = require('jest-extended');30test('checks if 1 is an integer', () => {31 expect(isInteger(1)).toBe(true);32});33const {isInteger} = require('jest-extended');34test('checks if 1 is an integer', () => {35 expect(isInteger(1)).toBe(true);36});37const {isInteger} = require('jest-extended');`

Using AI Code Generation

`1const { isInteger } = require('jest-extended');2test('test isInteger method of jest-extended', () => {3 expect(isInteger(3)).toBe(true);4});5test('test isInteger method of jest-extended', () => {6 expect(isInteger(3.5)).toBe(false);7});8test('test isInteger method of jest-extended', () => {9 expect(isInteger('3.5')).toBe(false);10});11test('test isInteger method of jest-extended', () => {12 expect(isInteger('3')).toBe(false);13});14test('test isInteger method of jest-extended', () => {15 expect(isInteger(Infinity)).toBe(false);16});17test('test isInteger method of jest-extended', () => {18 expect(isInteger(NaN)).toBe(false);19});20test('test isInteger method of jest-extended', () => {21 expect(isInteger(null)).toBe(false);22});23test('test isInteger method of jest-extended', () => {24 expect(isInteger(undefined)).toBe(false);25});26test('test isInteger method of jest-extended', () => {27 expect(isInteger({})).toBe(false);28});29test('test isInteger method of jest-extended', () => {30 expect(isInteger([])).toBe(false);31});32test('test isInteger method of jest-extended', () => {33 expect(isInteger([1])).toBe(false);34});35test('test isInteger method of jest-extended', () => {36 expect(isInteger([1, 2])).toBe(false);37});38test('test isInteger method of jest-extended', () => {39 expect(isInteger({ a: 1 })).toBe(false);40});41test('test isInteger method of jest-extended', () => {42 expect(isInteger({ a: 1, b: 2 })).toBe(false);43});44test('test isInteger method of jest-extended', () => {45 expect(isInteger(new Date())).toBe(false);46});47test('test isInteger method of jest-extended', () => {48 expect(isInteger(new Error())).toBe(false);49});50test('test is`

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