11cb0ef41Sopenharmony_ci'use strict'; 21cb0ef41Sopenharmony_ci 31cb0ef41Sopenharmony_ciconst common = require('../common'); 41cb0ef41Sopenharmony_ciconst fixtures = require('../common/fixtures'); 51cb0ef41Sopenharmony_ciconst fs = require('fs'); 61cb0ef41Sopenharmony_ciconst readv = require('util').promisify(fs.readv); 71cb0ef41Sopenharmony_ciconst assert = require('assert'); 81cb0ef41Sopenharmony_ciconst filepath = fixtures.path('x.txt'); 91cb0ef41Sopenharmony_ciconst fd = fs.openSync(filepath, 'r'); 101cb0ef41Sopenharmony_ci 111cb0ef41Sopenharmony_ciconst expected = [Buffer.from('xyz\n')]; 121cb0ef41Sopenharmony_ci 131cb0ef41Sopenharmony_cireadv(fd, expected) 141cb0ef41Sopenharmony_ci .then(function({ bytesRead, buffers }) { 151cb0ef41Sopenharmony_ci assert.deepStrictEqual(bytesRead, expected[0].length); 161cb0ef41Sopenharmony_ci assert.deepStrictEqual(buffers, expected); 171cb0ef41Sopenharmony_ci }) 181cb0ef41Sopenharmony_ci .then(common.mustCall()); 19