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nodejs/test/parallel/test-fs-write-file.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
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var common = require('../common');
var assert = require('assert');
var fs = require('fs');
var join = require('path').join;
var filename = join(common.tmpDir, 'test.txt');
common.error('writing to ' + filename);
var n = 220;
var s = '南越国是前203年至前111年存在于岭南地区的一个国家国都位于番禺疆域包括今天中国的广东、' +
'广西两省区的大部份地区,福建省、湖南、贵州、云南的一小部份地区和越南的北部。' +
'南越国是秦朝灭亡后由南海郡尉赵佗于前203年起兵兼并桂林郡和象郡后建立。' +
'前196年和前179年南越国曾先后两次名义上臣属于西汉成为西汉的“外臣”。前112年' +
'南越国末代君主赵建德与西汉发生战争被汉武帝于前111年所灭。南越国共存在93年' +
'历经五代君主。南越国是岭南地区的第一个有记载的政权国家,采用封建制和郡县制并存的制度,' +
'它的建立保证了秦末乱世岭南地区社会秩序的稳定,有效的改善了岭南地区落后的政治、##济现状。\n';
var ncallbacks = 0;
fs.writeFile(filename, s, function(e) {
if (e) throw e;
ncallbacks++;
common.error('file written');
fs.readFile(filename, function(e, buffer) {
if (e) throw e;
common.error('file read');
ncallbacks++;
assert.equal(Buffer.byteLength(s), buffer.length);
});
});
// test that writeFile accepts buffers
var filename2 = join(common.tmpDir, 'test2.txt');
var buf = new Buffer(s, 'utf8');
common.error('writing to ' + filename2);
fs.writeFile(filename2, buf, function(e) {
if (e) throw e;
ncallbacks++;
common.error('file2 written');
fs.readFile(filename2, function(e, buffer) {
if (e) throw e;
common.error('file2 read');
ncallbacks++;
assert.equal(buf.length, buffer.length);
});
});
// test that writeFile accepts numbers.
var filename3 = join(common.tmpDir, 'test3.txt');
common.error('writing to ' + filename3);
var m = 0600;
fs.writeFile(filename3, n, { mode: m }, function(e) {
if (e) throw e;
// windows permissions aren't unix
if (process.platform !== 'win32') {
var st = fs.statSync(filename3);
assert.equal(st.mode & 0700, m);
}
ncallbacks++;
common.error('file3 written');
fs.readFile(filename3, function(e, buffer) {
if (e) throw e;
common.error('file3 read');
ncallbacks++;
assert.equal(Buffer.byteLength('' + n), buffer.length);
});
});
process.on('exit', function() {
common.error('done');
assert.equal(6, ncallbacks);
fs.unlinkSync(filename);
fs.unlinkSync(filename2);
fs.unlinkSync(filename3);
});