node/test/parallel/test-fs-readfile-fd.js
Petar Dodev a8908f16f7
test: fs readfile, swap arguments in strictEqual
PR-URL: https://github.com/nodejs/node/pull/24133
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
2018-11-13 23:37:35 +01:00

48 lines
949 B
JavaScript

'use strict';
require('../common');
// Test fs.readFile using a file descriptor.
const fixtures = require('../common/fixtures');
const assert = require('assert');
const fs = require('fs');
const fn = fixtures.path('empty.txt');
tempFd(function(fd, close) {
fs.readFile(fd, function(err, data) {
assert.ok(data);
close();
});
});
tempFd(function(fd, close) {
fs.readFile(fd, 'utf8', function(err, data) {
assert.strictEqual(data, '');
close();
});
});
tempFdSync(function(fd) {
assert.ok(fs.readFileSync(fd));
});
tempFdSync(function(fd) {
assert.strictEqual(fs.readFileSync(fd, 'utf8'), '');
});
function tempFd(callback) {
fs.open(fn, 'r', function(err, fd) {
assert.ifError(err);
callback(fd, function() {
fs.close(fd, function(err) {
assert.ifError(err);
});
});
});
}
function tempFdSync(callback) {
const fd = fs.openSync(fn, 'r');
callback(fd);
fs.closeSync(fd);
}