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nodejs/test/parallel/test-fs-write.js
isaacs 3e1b1dd4a9 Remove excessive copyright/license boilerplate
The copyright and license notice is already in the LICENSE file.  There
is no justifiable reason to also require that it be included in every
file, since the individual files are not individually distributed except
as part of the entire package.
2015-01-12 15:30:28 -08:00

56 lines
1.6 KiB
JavaScript

var common = require('../common');
var assert = require('assert');
var path = require('path');
var Buffer = require('buffer').Buffer;
var fs = require('fs');
var fn = path.join(common.tmpDir, 'write.txt');
var fn2 = path.join(common.tmpDir, 'write2.txt');
var expected = 'ümlaut.';
var constants = require('constants');
var found, found2;
fs.open(fn, 'w', 0644, function(err, fd) {
if (err) throw err;
console.log('open done');
fs.write(fd, '', 0, 'utf8', function(err, written) {
assert.equal(0, written);
});
fs.write(fd, expected, 0, 'utf8', function(err, written) {
console.log('write done');
if (err) throw err;
assert.equal(Buffer.byteLength(expected), written);
fs.closeSync(fd);
found = fs.readFileSync(fn, 'utf8');
console.log('expected: "%s"', expected);
console.log('found: "%s"', found);
fs.unlinkSync(fn);
});
});
fs.open(fn2, constants.O_CREAT | constants.O_WRONLY | constants.O_TRUNC, 0644,
function(err, fd) {
if (err) throw err;
console.log('open done');
fs.write(fd, '', 0, 'utf8', function(err, written) {
assert.equal(0, written);
});
fs.write(fd, expected, 0, 'utf8', function(err, written) {
console.log('write done');
if (err) throw err;
assert.equal(Buffer.byteLength(expected), written);
fs.closeSync(fd);
found2 = fs.readFileSync(fn2, 'utf8');
console.log('expected: "%s"', expected);
console.log('found: "%s"', found2);
fs.unlinkSync(fn2);
});
});
process.on('exit', function() {
assert.equal(expected, found);
assert.equal(expected, found2);
});