'use strict';
const common = require('../common');
const assert = require('assert');
const fs = require('fs');
const debuglog = (arg) => {
console.log(new Date().toLocaleString(), arg);
};
const tmpdir = require('../common/tmpdir');
tmpdir.refresh();
let openFd;
fs.open(`${tmpdir.path}/dummy`, 'wx+', common.mustCall((err, fd) => {
debuglog('fs open() callback');
assert.ifError(err);
openFd = fd;
}));
debuglog('waiting for callback');
process.on('beforeExit', common.mustCall(() => {
if (openFd) {
fs.closeSync(openFd);
}
}));