'use strict'; const common = require('../common'); const fixtures = require('../common/fixtures'); const assert = require('assert'); const fs = require('fs'); const filepath = fixtures.path('x.txt'); const fd = fs.openSync(filepath, 'r'); const bufferAsync = Buffer.alloc(0); const bufferSync = Buffer.alloc(0); fs.read(fd, bufferAsync, 0, 0, 0, common.mustCall((err, bytesRead) => { assert.strictEqual(bytesRead, 0); assert.deepStrictEqual(bufferAsync, Buffer.alloc(0)); })); const r = fs.readSync(fd, bufferSync, 0, 0, 0); assert.deepStrictEqual(bufferSync, Buffer.alloc(0)); assert.strictEqual(r, 0);