1// Copyright Joyent, Inc. and other Node contributors. 2// 3// Permission is hereby granted, free of charge, to any person obtaining a 4// copy of this software and associated documentation files (the 5// "Software"), to deal in the Software without restriction, including 6// without limitation the rights to use, copy, modify, merge, publish, 7// distribute, sublicense, and/or sell copies of the Software, and to permit 8// persons to whom the Software is furnished to do so, subject to the 9// following conditions: 10// 11// The above copyright notice and this permission notice shall be included 12// in all copies or substantial portions of the Software. 13// 14// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 15// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 16// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN 17// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 18// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 19// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 20// USE OR OTHER DEALINGS IN THE SOFTWARE. 21 22'use strict'; 23const common = require('../common'); 24const assert = require('assert'); 25const fs = require('fs'); 26const f = __filename; 27 28assert.throws(() => fs.exists(f), { code: 'ERR_INVALID_CALLBACK' }); 29assert.throws(() => fs.exists(), { code: 'ERR_INVALID_CALLBACK' }); 30assert.throws(() => fs.exists(f, {}), { code: 'ERR_INVALID_CALLBACK' }); 31 32fs.exists(f, common.mustCall(function(y) { 33 assert.strictEqual(y, true); 34})); 35 36fs.exists(`${f}-NO`, common.mustCall(function(y) { 37 assert.strictEqual(y, false); 38})); 39 40// If the path is invalid, fs.exists will still invoke the callback with false 41// instead of throwing errors 42fs.exists(new URL('https://foo'), common.mustCall(function(y) { 43 assert.strictEqual(y, false); 44})); 45 46fs.exists({}, common.mustCall(function(y) { 47 assert.strictEqual(y, false); 48})); 49 50assert(fs.existsSync(f)); 51assert(!fs.existsSync(`${f}-NO`)); 52 53// fs.existsSync() never throws 54assert(!fs.existsSync()); 55assert(!fs.existsSync({})); 56assert(!fs.existsSync(new URL('https://foo'))); 57