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'; 23 24// Trivial test of fs.readFile on an empty file. 25const common = require('../common'); 26const fs = require('fs'); 27const assert = require('assert'); 28const fixtures = require('../common/fixtures'); 29 30const fn = fixtures.path('empty.txt'); 31 32fs.readFile(fn, common.mustCall((err, data) => { 33 assert.ok(data); 34})); 35 36fs.readFile(fn, 'utf8', common.mustCall((err, data) => { 37 assert.strictEqual(data, ''); 38})); 39 40fs.readFile(fn, { encoding: 'utf8' }, common.mustCall((err, data) => { 41 assert.strictEqual(data, ''); 42})); 43 44assert.ok(fs.readFileSync(fn)); 45assert.strictEqual(fs.readFileSync(fn, 'utf8'), ''); 46