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'use strict';
var common = require('../common');
var assert = require('assert');
var join = require('path').join;
var fs = require('fs');
var currentFileData = 'ABCD';
var num = 220;
var data = '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';
common.refreshTmpDir();
// test that empty file will be created and have content added
var filename = join(common.tmpDir, 'append-sync.txt');
common.error('appending to ' + filename);
fs.appendFileSync(filename, data);
var fileData = fs.readFileSync(filename);
console.error('filedata is a ' + typeof fileData);
assert.equal(Buffer.byteLength(data), fileData.length);
// test that appends data to a non empty file
var filename2 = join(common.tmpDir, 'append-sync2.txt');
fs.writeFileSync(filename2, currentFileData);
common.error('appending to ' + filename2);
fs.appendFileSync(filename2, data);
var fileData2 = fs.readFileSync(filename2);
assert.equal(Buffer.byteLength(data) + currentFileData.length,
fileData2.length);
// test that appendFileSync accepts buffers
var filename3 = join(common.tmpDir, 'append-sync3.txt');
fs.writeFileSync(filename3, currentFileData);
common.error('appending to ' + filename3);
var buf = new Buffer(data, 'utf8');
fs.appendFileSync(filename3, buf);
var fileData3 = fs.readFileSync(filename3);
assert.equal(buf.length + currentFileData.length, fileData3.length);
// test that appendFile accepts numbers.
var filename4 = join(common.tmpDir, 'append-sync4.txt');
fs.writeFileSync(filename4, currentFileData, { mode: m });
common.error('appending to ' + filename4);
var m = 0o600;
fs.appendFileSync(filename4, num, { mode: m });
// windows permissions aren't unix
if (process.platform !== 'win32') {
var st = fs.statSync(filename4);
assert.equal(st.mode & 0o700, m);
}
var fileData4 = fs.readFileSync(filename4);
assert.equal(Buffer.byteLength('' + num) + currentFileData.length,
fileData4.length);
//exit logic for cleanup
process.on('exit', function() {
common.error('done');
fs.unlinkSync(filename);
fs.unlinkSync(filename2);
fs.unlinkSync(filename3);
fs.unlinkSync(filename4);
});