/* eslint-env mocha */ import utils from '../../../lib/utils'; describe('utils::isX', function () { it('should validate Array', function () { expect(utils.isArray([])).toEqual(true); expect(utils.isArray({ length: 5 })).toEqual(false); }); it('should validate ArrayBuffer', function () { expect(utils.isArrayBuffer(new ArrayBuffer(2))).toEqual(true); expect(utils.isArrayBuffer({})).toEqual(false); }); it('should validate ArrayBufferView', function () { expect(utils.isArrayBufferView(new DataView(new ArrayBuffer(2)))).toEqual(true); }); it('should validate FormData', function () { expect(utils.isFormData(new FormData())).toEqual(true); }); it('should validate Blob', function () { expect(utils.isBlob(new Blob())).toEqual(true); }); it('should validate String', function () { expect(utils.isString('')).toEqual(true); expect( utils.isString({ toString: function () { return ''; }, }) ).toEqual(false); }); it('should validate Number', function () { expect(utils.isNumber(123)).toEqual(true); expect(utils.isNumber('123')).toEqual(false); }); it('should validate Undefined', function () { expect(utils.isUndefined()).toEqual(true); expect(utils.isUndefined(null)).toEqual(false); }); it('should validate Object', function () { expect(utils.isObject({})).toEqual(true); expect(utils.isObject([])).toEqual(true); expect(utils.isObject(null)).toEqual(false); }); it('should validate plain Object', function () { expect(utils.isPlainObject({})).toEqual(true); expect(utils.isPlainObject([])).toEqual(false); expect(utils.isPlainObject(null)).toEqual(false); expect(utils.isPlainObject(Object.create({}))).toEqual(false); }); it('should validate Date', function () { expect(utils.isDate(new Date())).toEqual(true); expect(utils.isDate(Date.now())).toEqual(false); }); it('should validate Function', function () { expect(utils.isFunction(function () {})).toEqual(true); expect(utils.isFunction('function')).toEqual(false); }); it('should validate URLSearchParams', function () { expect(utils.isURLSearchParams(new URLSearchParams())).toEqual(true); expect(utils.isURLSearchParams('foo=1&bar=2')).toEqual(false); }); it('should validate TypedArray instance', function () { expect(utils.isTypedArray(new Uint8Array([1, 2, 3]))).toEqual(true); expect(utils.isTypedArray([1, 2, 3])).toEqual(false); }); });