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// Copyright Joyent, Inc. and other Node contributors.
//
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// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.
'use strict';
const common = require('../common');
const assert = require('assert');
const fs = require('fs');
const join = require('path').join;
const tmpdir = require('../common/tmpdir');
const currentFileData = 'ABCD';
const n = 220;
const 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';
tmpdir.refresh();
const throwNextTick = (e) => { process.nextTick(() => { throw e; }); };
// Test that empty file will be created and have content added (callback API).
{
const filename = join(tmpdir.path, 'append.txt');
fs.appendFile(filename, s, common.mustCall(function(e) {
assert.ifError(e);
fs.readFile(filename, common.mustCall(function(e, buffer) {
assert.ifError(e);
assert.strictEqual(Buffer.byteLength(s), buffer.length);
}));
}));
}
// Test that empty file will be created and have content added (promise API).
{
const filename = join(tmpdir.path, 'append-promise.txt');
fs.promises.appendFile(filename, s)
.then(common.mustCall(() => fs.promises.readFile(filename)))
.then((buffer) => {
assert.strictEqual(Buffer.byteLength(s), buffer.length);
})
.catch(throwNextTick);
}
// Test that appends data to a non-empty file (callback API).
{
const filename = join(tmpdir.path, 'append-non-empty.txt');
fs.writeFileSync(filename, currentFileData);
fs.appendFile(filename, s, common.mustCall(function(e) {
assert.ifError(e);
fs.readFile(filename, common.mustCall(function(e, buffer) {
assert.ifError(e);
assert.strictEqual(Buffer.byteLength(s) + currentFileData.length,
buffer.length);
}));
}));
}
// Test that appends data to a non-empty file (promise API).
{
const filename = join(tmpdir.path, 'append-non-empty-promise.txt');
fs.writeFileSync(filename, currentFileData);
fs.promises.appendFile(filename, s)
.then(common.mustCall(() => fs.promises.readFile(filename)))
.then((buffer) => {
assert.strictEqual(Buffer.byteLength(s) + currentFileData.length,
buffer.length);
})
.catch(throwNextTick);
}
// Test that appendFile accepts buffers (callback API).
{
const filename = join(tmpdir.path, 'append-buffer.txt');
fs.writeFileSync(filename, currentFileData);
const buf = Buffer.from(s, 'utf8');
fs.appendFile(filename, buf, common.mustCall((e) => {
assert.ifError(e);
fs.readFile(filename, common.mustCall((e, buffer) => {
assert.ifError(e);
assert.strictEqual(buf.length + currentFileData.length, buffer.length);
}));
}));
}
// Test that appendFile accepts buffers (promises API).
{
const filename = join(tmpdir.path, 'append-buffer-promises.txt');
fs.writeFileSync(filename, currentFileData);
const buf = Buffer.from(s, 'utf8');
fs.promises.appendFile(filename, buf)
.then(common.mustCall(() => fs.promises.readFile(filename)))
.then((buffer) => {
assert.strictEqual(buf.length + currentFileData.length, buffer.length);
})
.catch(throwNextTick);
}
// Test that appendFile accepts numbers (callback API).
{
const filename = join(tmpdir.path, 'append-numbers.txt');
fs.writeFileSync(filename, currentFileData);
const m = 0o600;
fs.appendFile(filename, n, { mode: m }, common.mustCall((e) => {
assert.ifError(e);
// Windows permissions aren't Unix.
if (!common.isWindows) {
const st = fs.statSync(filename);
assert.strictEqual(st.mode & 0o700, m);
}
fs.readFile(filename, common.mustCall((e, buffer) => {
assert.ifError(e);
assert.strictEqual(Buffer.byteLength(String(n)) + currentFileData.length,
buffer.length);
}));
}));
}
// Test that appendFile accepts numbers (promises API).
{
const filename = join(tmpdir.path, 'append-numbers-promises.txt');
fs.writeFileSync(filename, currentFileData);
const m = 0o600;
fs.promises.appendFile(filename, n, { mode: m })
.then(common.mustCall(() => {
// Windows permissions aren't Unix.
if (!common.isWindows) {
const st = fs.statSync(filename);
assert.strictEqual(st.mode & 0o700, m);
}
return fs.promises.readFile(filename);
}))
.then((buffer) => {
assert.strictEqual(Buffer.byteLength(String(n)) + currentFileData.length,
buffer.length);
})
.catch(throwNextTick);
}
// Test that appendFile accepts file descriptors (callback API).
{
const filename = join(tmpdir.path, 'append-descriptors.txt');
fs.writeFileSync(filename, currentFileData);
fs.open(filename, 'a+', common.mustCall((e, fd) => {
assert.ifError(e);
fs.appendFile(fd, s, common.mustCall((e) => {
assert.ifError(e);
fs.close(fd, common.mustCall((e) => {
assert.ifError(e);
fs.readFile(filename, common.mustCall((e, buffer) => {
assert.ifError(e);
assert.strictEqual(Buffer.byteLength(s) + currentFileData.length,
buffer.length);
}));
}));
}));
}));
}
// Test that appendFile accepts file descriptors (promises API).
{
const filename = join(tmpdir.path, 'append-descriptors-promises.txt');
fs.writeFileSync(filename, currentFileData);
let fd;
fs.promises.open(filename, 'a+')
.then(common.mustCall((fileDescriptor) => {
fd = fileDescriptor;
return fs.promises.appendFile(fd, s);
}))
.then(common.mustCall(() => fd.close()))
.then(common.mustCall(() => fs.promises.readFile(filename)))
.then(common.mustCall((buffer) => {
assert.strictEqual(Buffer.byteLength(s) + currentFileData.length,
buffer.length);
}))
.catch(throwNextTick);
}
assert.throws(
() => fs.appendFile(join(tmpdir.path, 'append6.txt'), console.log),
{ code: 'ERR_INVALID_CALLBACK' });