| // Flags: --experimental-vfs |
| 'use strict'; |
| |
| // fs.writeFileSync and fs.appendFileSync dispatch to VFS. |
| |
| require('../common'); |
| const assert = require('assert'); |
| const fs = require('fs'); |
| const path = require('path'); |
| const vfs = require('node:vfs'); |
| |
| const mountPoint = path.resolve('/tmp/vfs-writeFileSync-' + process.pid); |
| const myVfs = vfs.create(); |
| myVfs.mkdirSync('/src', { recursive: true }); |
| myVfs.mount(mountPoint); |
| |
| const target = path.join(mountPoint, 'src/new.txt'); |
| |
| fs.writeFileSync(target, 'fresh'); |
| assert.strictEqual(fs.readFileSync(target, 'utf8'), 'fresh'); |
| |
| fs.appendFileSync(target, ' more'); |
| assert.strictEqual(fs.readFileSync(target, 'utf8'), 'fresh more'); |
| |
| // Buffer input |
| fs.writeFileSync(target, Buffer.from('binary')); |
| assert.strictEqual(fs.readFileSync(target, 'utf8'), 'binary'); |
| |
| myVfs.unmount(); |
