/**
* @license Apache-2.0
*
* Copyright (c) 2018 The Stdlib Authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*    http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/

'use strict';

// MODULES //

var hasOwnProp = require( '@stdlib/assert-has-own-property' );
var isEnumerableProperty = require( '@stdlib/assert-is-enumerable-property' );
var isArray = require( '@stdlib/assert-is-array' );
var isInteger = require( '@stdlib/math-base-assert-is-integer' );
var MAX_LENGTH = require( '@stdlib/constants-uint32-max' );


// MAIN //

/**
* Tests whether a value is an `arguments` object.
*
* @private
* @param {*} value - value to test
* @returns {boolean} boolean indicating whether a value is an `arguments` object
*
* @example
* function foo() {
*     return arguments;
* }
*
* var bool = isArguments( foo() );
* // returns true
*
* @example
* var bool = isArguments( [] );
* // returns false
*/
function isArguments( value ) {
	return (
		value !== null &&
		typeof value === 'object' &&
		!isArray( value ) &&
		typeof value.length === 'number' &&
		isInteger( value.length ) &&
		value.length >= 0 &&
		value.length <= MAX_LENGTH &&
		hasOwnProp( value, 'callee' ) &&
		!isEnumerableProperty( value, 'callee' )
	);
}


// EXPORTS //

module.exports = isArguments;