1'use strict'; 2require('../common'); 3const assert = require('assert'); 4const fixtures = require('../common/fixtures'); 5const tmpdir = require('../common/tmpdir'); 6 7const { access, copyFile, open } = require('fs').promises; 8const path = require('path'); 9 10async function validate() { 11 tmpdir.refresh(); 12 const dest = path.resolve(tmpdir.path, 'baz.js'); 13 await assert.rejects( 14 copyFile(fixtures.path('baz.js'), dest, 'r'), 15 { 16 code: 'ERR_INVALID_ARG_TYPE', 17 message: /mode.*integer.*string/ 18 } 19 ); 20 await copyFile(fixtures.path('baz.js'), dest); 21 await assert.rejects( 22 access(dest, 'r'), 23 { code: 'ERR_INVALID_ARG_TYPE', message: /mode/ } 24 ); 25 await access(dest); 26 const handle = await open(dest, 'r+'); 27 await handle.datasync(); 28 await handle.sync(); 29 const buf = Buffer.from('hello world'); 30 await handle.write(buf); 31 const ret = await handle.read(Buffer.alloc(11), 0, 11, 0); 32 assert.strictEqual(ret.bytesRead, 11); 33 assert.deepStrictEqual(ret.buffer, buf); 34 await handle.close(); 35} 36 37validate(); 38