node/test/parallel/test-fs-read-buffer-zero-length.js
Feross Aboukhadijeh 2b15e68bbe fs: fs.read into zero buffer should not throw exception
Fixes: #4517.
PR-URL: https://github.com/nodejs/node/pull/4518
Reviewed-By: Evan Lucas <evanlucas@me.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
2016-01-06 09:33:30 -08:00

20 lines
622 B
JavaScript

'use strict';
const common = require('../common');
const assert = require('assert');
const path = require('path');
const Buffer = require('buffer').Buffer;
const fs = require('fs');
const filepath = path.join(common.fixturesDir, 'x.txt');
const fd = fs.openSync(filepath, 'r');
const bufferAsync = new Buffer(0);
const bufferSync = new Buffer(0);
fs.read(fd, bufferAsync, 0, 0, 0, common.mustCall(function(err, bytesRead) {
assert.equal(bytesRead, 0);
assert.deepEqual(bufferAsync, new Buffer(0));
}));
const r = fs.readSync(fd, bufferSync, 0, 0, 0);
assert.deepEqual(bufferSync, new Buffer(0));
assert.equal(r, 0);