// Copyright Joyent, Inc. and other Node contributors. // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the // "Software"), to deal in the Software without restriction, including // without limitation the rights to use, copy, modify, merge, publish, // distribute, sublicense, and/or sell copies of the Software, and to permit // persons to whom the Software is furnished to do so, subject to the // following conditions: // // The above copyright notice and this permission notice shall be included // in all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE // USE OR OTHER DEALINGS IN THE SOFTWARE. 'use strict'; // Flags: --expose-internals const common = require('../common'); const assert = require('assert'); const util = require('util'); const errors = require('internal/errors'); const binding = process.binding('util'); const context = require('vm').runInNewContext; // isArray assert.strictEqual(true, util.isArray([])); assert.strictEqual(true, util.isArray(Array())); assert.strictEqual(true, util.isArray(new Array())); assert.strictEqual(true, util.isArray(new Array(5))); assert.strictEqual(true, util.isArray(new Array('with', 'some', 'entries'))); assert.strictEqual(true, util.isArray(context('Array')())); assert.strictEqual(false, util.isArray({})); assert.strictEqual(false, util.isArray({ push: function() {} })); assert.strictEqual(false, util.isArray(/regexp/)); assert.strictEqual(false, util.isArray(new Error())); assert.strictEqual(false, util.isArray(Object.create(Array.prototype))); // isRegExp assert.strictEqual(true, util.isRegExp(/regexp/)); assert.strictEqual(true, util.isRegExp(RegExp())); assert.strictEqual(true, util.isRegExp(new RegExp())); assert.strictEqual(true, util.isRegExp(context('RegExp')())); assert.strictEqual(false, util.isRegExp({})); assert.strictEqual(false, util.isRegExp([])); assert.strictEqual(false, util.isRegExp(new Date())); assert.strictEqual(false, util.isRegExp(Object.create(RegExp.prototype))); // isDate assert.strictEqual(true, util.isDate(new Date())); assert.strictEqual(true, util.isDate(new Date(0))); assert.strictEqual(true, util.isDate(new (context('Date'))())); assert.strictEqual(false, util.isDate(Date())); assert.strictEqual(false, util.isDate({})); assert.strictEqual(false, util.isDate([])); assert.strictEqual(false, util.isDate(new Error())); assert.strictEqual(false, util.isDate(Object.create(Date.prototype))); // isError assert.strictEqual(true, util.isError(new Error())); assert.strictEqual(true, util.isError(new TypeError())); assert.strictEqual(true, util.isError(new SyntaxError())); assert.strictEqual(true, util.isError(new (context('Error'))())); assert.strictEqual(true, util.isError(new (context('TypeError'))())); assert.strictEqual(true, util.isError(new (context('SyntaxError'))())); assert.strictEqual(false, util.isError({})); assert.strictEqual(false, util.isError({ name: 'Error', message: '' })); assert.strictEqual(false, util.isError([])); assert.strictEqual(true, util.isError(Object.create(Error.prototype))); // isObject assert.ok(util.isObject({}) === true); // isPrimitive assert.strictEqual(false, util.isPrimitive({})); assert.strictEqual(false, util.isPrimitive(new Error())); assert.strictEqual(false, util.isPrimitive(new Date())); assert.strictEqual(false, util.isPrimitive([])); assert.strictEqual(false, util.isPrimitive(/regexp/)); assert.strictEqual(false, util.isPrimitive(function() {})); assert.strictEqual(false, util.isPrimitive(new Number(1))); assert.strictEqual(false, util.isPrimitive(new String('bla'))); assert.strictEqual(false, util.isPrimitive(new Boolean(true))); assert.strictEqual(true, util.isPrimitive(1)); assert.strictEqual(true, util.isPrimitive('bla')); assert.strictEqual(true, util.isPrimitive(true)); assert.strictEqual(true, util.isPrimitive(undefined)); assert.strictEqual(true, util.isPrimitive(null)); assert.strictEqual(true, util.isPrimitive(Infinity)); assert.strictEqual(true, util.isPrimitive(NaN)); assert.strictEqual(true, util.isPrimitive(Symbol('symbol'))); // isBuffer assert.strictEqual(false, util.isBuffer('foo')); assert.strictEqual(true, util.isBuffer(Buffer.from('foo'))); // _extend assert.deepStrictEqual(util._extend({a: 1}), {a: 1}); assert.deepStrictEqual(util._extend({a: 1}, []), {a: 1}); assert.deepStrictEqual(util._extend({a: 1}, null), {a: 1}); assert.deepStrictEqual(util._extend({a: 1}, true), {a: 1}); assert.deepStrictEqual(util._extend({a: 1}, false), {a: 1}); assert.deepStrictEqual(util._extend({a: 1}, {b: 2}), {a: 1, b: 2}); assert.deepStrictEqual(util._extend({a: 1, b: 2}, {b: 3}), {a: 1, b: 3}); // deprecated assert.strictEqual(util.isBoolean(true), true); assert.strictEqual(util.isBoolean(false), true); assert.strictEqual(util.isBoolean('string'), false); assert.strictEqual(util.isNull(null), true); assert.strictEqual(util.isNull(), false); assert.strictEqual(util.isNull('string'), false); assert.strictEqual(util.isUndefined(), true); assert.strictEqual(util.isUndefined(null), false); assert.strictEqual(util.isUndefined('string'), false); assert.strictEqual(util.isNullOrUndefined(null), true); assert.strictEqual(util.isNullOrUndefined(), true); assert.strictEqual(util.isNullOrUndefined('string'), false); assert.strictEqual(util.isNumber(42), true); assert.strictEqual(util.isNumber(), false); assert.strictEqual(util.isNumber('string'), false); assert.strictEqual(util.isString('string'), true); assert.strictEqual(util.isString(), false); assert.strictEqual(util.isString(42), false); assert.strictEqual(util.isSymbol(Symbol()), true); assert.strictEqual(util.isSymbol(), false); assert.strictEqual(util.isSymbol('string'), false); assert.strictEqual(util.isFunction(() => {}), true); assert.strictEqual(util.isFunction(function() {}), true); assert.strictEqual(util.isFunction(), false); assert.strictEqual(util.isFunction('string'), false); common.expectWarning('DeprecationWarning', [ 'util.print is deprecated. Use console.log instead.', 'util.puts is deprecated. Use console.log instead.', 'util.debug is deprecated. Use console.error instead.', 'util.error is deprecated. Use console.error instead.' ]); util.print('test'); util.puts('test'); util.debug('test'); util.error('test'); { // binding.isNativeError() assert.strictEqual(binding.isNativeError(new Error()), true); assert.strictEqual(binding.isNativeError(new TypeError()), true); assert.strictEqual(binding.isNativeError(new SyntaxError()), true); assert.strictEqual(binding.isNativeError(new (context('Error'))()), true); assert.strictEqual(binding.isNativeError(new (context('TypeError'))()), true); assert.strictEqual(binding.isNativeError(new (context('SyntaxError'))()), true); assert.strictEqual(binding.isNativeError({}), false); assert.strictEqual(binding.isNativeError({ name: 'Error', message: '' }), false); assert.strictEqual(binding.isNativeError([]), false); assert.strictEqual(binding.isNativeError(Object.create(Error.prototype)), false); assert.strictEqual( binding.isNativeError(new errors.Error('ERR_IPC_CHANNEL_CLOSED')), true ); }