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import test from 'ava'
import {
isError,
isEmptyArray,
isObject,
isPlainObject,
isAnyObject,
isUndefined,
isNull,
isNullOrUndefined,
isFunction,
isArray,
isString,
isEmptyString,
isFullString,
isBoolean,
isRegExp,
isNumber,
isDate,
isSymbol,
isPrimitive,
isType,
isMap,
isWeakMap,
isSet,
isWeakSet,
// isBlob,
// isFile,
isPromise,
isNaNValue,
isEmptyObject,
} from '../src/index'
// const blob = Buffer.from([])
test('Basic true tests', t => {
t.is(isError(new Error('')), true)
t.is(isUndefined(undefined), true)
t.is(isNull(null), true)
t.is(isNullOrUndefined(null), true)
t.is(isNullOrUndefined(undefined), true)
t.is(isObject({}), true)
t.is(isObject(new Object()), true)
t.is(
isFunction(_ => {}),
true
)
t.is(isArray([]), true)
t.is(isArray(new Array()), true)
t.is(isString(''), true)
t.is(isString('_'), true)
t.is(isEmptyString(''), true)
t.is(isFullString(' '), true)
t.is(isBoolean(true), true)
t.is(isBoolean(false), true)
t.is(isRegExp(/./), true)
t.is(isRegExp(/./gi), true)
t.is(isNumber(0), true)
t.is(isNumber(1), true)
t.is(isDate(new Date()), true)
t.is(isSymbol(Symbol()), true)
t.is(isMap(new Map()), true)
t.is(isWeakMap(new WeakMap()), true)
t.is(isSet(new Set()), true)
t.is(isWeakSet(new WeakSet()), true)
// t.is(isBlob(blob), true)
// t.is(isFile(new File([''], '', { type: 'text/html' })), true)
t.is(isPromise(new Promise((resolve, reject) => {})), true)
})
test('Basic false tests', t => {
t.is(isError({}), false)
t.is(isNumber(NaN), false)
t.is(isDate(new Date('_')), false)
t.is(isDate(NaN), false)
t.is(isUndefined(NaN), false)
t.is(isNull(NaN), false)
t.is(isObject(NaN), false)
t.is(isFunction(NaN), false)
t.is(isArray(NaN), false)
t.is(isString(NaN), false)
t.is(isEmptyString(' '), false)
t.is(isFullString(''), false)
t.is(isBoolean(NaN), false)
t.is(isRegExp(NaN), false)
t.is(isSymbol(NaN), false)
t.is(isMap(new WeakMap()), false)
t.is(isWeakMap(new Map()), false)
t.is(isSet(new WeakSet()), false)
t.is(isWeakSet(new Set()), false)
t.is(isNullOrUndefined(NaN), false)
})
test('isEmptyObject', t => {
t.is(isEmptyObject({}), true)
t.is(isEmptyObject(new Object()), true)
t.is(isEmptyObject('{}'), false)
t.is(isEmptyObject('{}'), false)
t.is(isEmptyObject(null), false)
t.is(isEmptyObject(new Date()), false)
t.is(isEmptyObject(new Error('')), false)
t.is(isEmptyObject(new Date()), false)
t.is(isEmptyObject(Symbol()), false)
t.is(isEmptyObject(new Map()), false)
t.is(isEmptyObject(new WeakMap()), false)
t.is(isEmptyObject(new Set()), false)
t.is(isEmptyObject(new WeakSet()), false)
})
test('isEmptyArray', t => {
t.is(isEmptyArray([]), true)
t.is(isEmptyArray(new Array()), true)
t.is(isEmptyArray(new Array(0)), true)
t.is(isEmptyArray(new Array(1)), false)
t.is(isEmptyArray([undefined]), false)
t.is(isEmptyArray(null), false)
t.is(isEmptyArray(new Date()), false)
t.is(isEmptyArray(new Error('')), false)
t.is(isEmptyArray(new Date()), false)
t.is(isEmptyArray(Symbol()), false)
t.is(isEmptyArray(new Map()), false)
t.is(isEmptyArray(new WeakMap()), false)
t.is(isEmptyArray(new Set()), false)
t.is(isEmptyArray(new WeakSet()), false)
})
test('NaN tests', t => {
t.is(isNaNValue(NaN), true)
t.is(isNaNValue(new Error('')), false)
t.is(isNaNValue(undefined), false)
t.is(isNaNValue(null), false)
t.is(isNaNValue(undefined), false)
t.is(isNaNValue({}), false)
t.is(isNaNValue(new Object()), false)
t.is(
isNaNValue(_ => {}),
false
)
t.is(isNaNValue([]), false)
t.is(isNaNValue(new Array()), false)
t.is(isNaNValue(''), false)
t.is(isNaNValue('_'), false)
t.is(isNaNValue(''), false)
t.is(isNaNValue(' '), false)
t.is(isNaNValue(true), false)
t.is(isNaNValue(false), false)
t.is(isNaNValue(/./), false)
t.is(isNaNValue(/./gi), false)
t.is(isNaNValue(0), false)
t.is(isNaNValue(1), false)
t.is(isNaNValue(new Date()), false)
t.is(isNaNValue(Symbol()), false)
t.is(isNaNValue(new Map()), false)
t.is(isNaNValue(new WeakMap()), false)
t.is(isNaNValue(new Set()), false)
t.is(isNaNValue(new WeakSet()), false)
t.is(isNaNValue(new Promise((resolve, reject) => {})), false)
})
test('Primitive tests', t => {
// true
t.is(isPrimitive(0), true)
t.is(isPrimitive(''), true)
t.is(isPrimitive('str'), true)
t.is(isPrimitive(Symbol()), true)
t.is(isPrimitive(true), true)
t.is(isPrimitive(false), true)
t.is(isPrimitive(null), true)
t.is(isPrimitive(undefined), true)
// false
t.is(isPrimitive(NaN), false)
t.is(isPrimitive([]), false)
t.is(isPrimitive(new Array()), false)
t.is(isPrimitive({}), false)
t.is(isPrimitive(new Object()), false)
t.is(isPrimitive(new Date()), false)
t.is(
isPrimitive(_ => {}),
false
)
})
test('Date exception', t => {
t.is(isDate(new Date('_')), false)
})
test('Generic isType', t => {
function MyClass () {}
// This is correct old fashion syntax for classes, if this is missing
MyClass.prototype.constructor = MyClass
class MyOtherClass {}
const myClass = new MyClass()
// this is expected behaviour
t.is(isType('', String), true)
t.is(isType('_', String), true)
t.is(isType('Hello World', String), true)
t.is(isType(NaN, Number), true)
t.is(isType(0, Number), true)
t.is(isType(1, Number), true)
t.is(isType({}, Object), true)
t.is(isType(new Object(), Object), true)
t.is(isType([], Array), true)
t.is(isType(new Array(), Array), true)
t.is(
isType(_ => {}, Function),
true
)
t.is(isType(true, Boolean), true)
t.is(isType(false, Boolean), true)
t.is(isType(new Date('_'), Date), true)
t.is(isType(new Date(), Date), true)
t.is(isType(/./, RegExp), true)
t.is(isType(/./gi, RegExp), true)
t.is(isType(myClass, MyClass), true)
t.is(isType(new MyOtherClass(), MyOtherClass), true)
t.is(isType(myClass, MyOtherClass), false)
t.is(isType(Symbol(), Symbol), true)
// t.is(isType(null, Null), true)
// t.is(isType(undefined, Undefined), true)
// It SHOULD fail
t.is(isType(5, String), false)
t.is(isType(null, Object), false)
// Not sure if this would be the expected behaviour but everything is an object
// so I would say so
t.is(isType(myClass, Object), true)
})
test('isObject vs isAnyObject', t => {
function MyClass () {}
// This is correct old fashion syntax for classes, if this is missing
MyClass.prototype.constructor = MyClass
const myClass = new MyClass()
class MyClass2 {}
const myClass2 = new MyClass()
const mySpecialObject = {}
Object.setPrototypeOf(mySpecialObject, {
toDate: function () {
return new Date()
},
})
// IS OBJECT
// plain object
t.is(isObject({}), true)
t.is(isObject(new Object()), true)
t.is(isPlainObject({}), true)
t.is(isPlainObject(new Object()), true)
// classes & prototypes
t.is(isObject(myClass), false)
t.is(isObject(myClass2), false)
t.is(isObject(mySpecialObject), false)
t.is(isPlainObject(myClass), false)
t.is(isPlainObject(myClass2), false)
t.is(isPlainObject(mySpecialObject), false)
// arrays and dates
t.is(isObject([]), false)
t.is(isObject(new Array()), false)
t.is(isObject(new Date('_')), false)
t.is(isObject(new Date()), false)
t.is(isPlainObject([]), false)
t.is(isPlainObject(new Array()), false)
t.is(isPlainObject(new Date('_')), false)
t.is(isPlainObject(new Date()), false)
// IS ANY OBJECT
// plain object
t.is(isAnyObject({}), true)
t.is(isAnyObject(new Object()), true)
// classes & prototypes
t.is(isAnyObject(myClass), true)
t.is(isAnyObject(myClass2), true)
t.is(isAnyObject(mySpecialObject), true)
// arrays and dates
t.is(isAnyObject([]), false)
t.is(isAnyObject(new Array()), false)
t.is(isAnyObject(new Date('_')), false)
t.is(isAnyObject(new Date()), false)
})