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1// Copyright Joyent, Inc. and other Node contributors.
2//
3// Permission is hereby granted, free of charge, to any person obtaining a
4// copy of this software and associated documentation files (the
5// "Software"), to deal in the Software without restriction, including
6// without limitation the rights to use, copy, modify, merge, publish,
7// distribute, sublicense, and/or sell copies of the Software, and to permit
8// persons to whom the Software is furnished to do so, subject to the
9// following conditions:
10//
11// The above copyright notice and this permission notice shall be included
12// in all copies or substantial portions of the Software.
13//
14// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
16// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
17// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
18// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
19// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
20// USE OR OTHER DEALINGS IN THE SOFTWARE.
21
22'use strict';
23const common = require('../common');
24const assert = require('assert');
25const fs = require('fs');
26const join = require('path').join;
27
28const tmpdir = require('../common/tmpdir');
29tmpdir.refresh();
30
31const filename = join(tmpdir.path, 'test.txt');
32
33const 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、' +
34          '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。' +
35          '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。' +
36          '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，' +
37          '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，' +
38          '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，' +
39          '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';
40
41fs.writeFile(filename, s, common.mustSucceed(() => {
42  fs.readFile(filename, common.mustSucceed((buffer) => {
43    assert.strictEqual(Buffer.byteLength(s), buffer.length);
44  }));
45}));
46
47// Test that writeFile accepts buffers.
48const filename2 = join(tmpdir.path, 'test2.txt');
49const buf = Buffer.from(s, 'utf8');
50
51fs.writeFile(filename2, buf, common.mustSucceed(() => {
52  fs.readFile(filename2, common.mustSucceed((buffer) => {
53    assert.strictEqual(buf.length, buffer.length);
54  }));
55}));
56
57// Test that writeFile accepts file descriptors.
58const filename4 = join(tmpdir.path, 'test4.txt');
59
60fs.open(filename4, 'w+', common.mustSucceed((fd) => {
61  fs.writeFile(fd, s, common.mustSucceed(() => {
62    fs.close(fd, common.mustSucceed(() => {
63      fs.readFile(filename4, common.mustSucceed((buffer) => {
64        assert.strictEqual(Buffer.byteLength(s), buffer.length);
65      }));
66    }));
67  }));
68}));
69
70
71{
72  // Test that writeFile is cancellable with an AbortSignal.
73  // Before the operation has started
74  const controller = new AbortController();
75  const signal = controller.signal;
76  const filename3 = join(tmpdir.path, 'test3.txt');
77
78  fs.writeFile(filename3, s, { signal }, common.mustCall((err) => {
79    assert.strictEqual(err.name, 'AbortError');
80  }));
81
82  controller.abort();
83}
84
85{
86  // Test that writeFile is cancellable with an AbortSignal.
87  // After the operation has started
88  const controller = new AbortController();
89  const signal = controller.signal;
90  const filename4 = join(tmpdir.path, 'test5.txt');
91
92  fs.writeFile(filename4, s, { signal }, common.mustCall((err) => {
93    assert.strictEqual(err.name, 'AbortError');
94  }));
95
96  process.nextTick(() => controller.abort());
97}
98
99{
100  // Test read-only mode
101  const filename = join(tmpdir.path, 'test6.txt');
102  fs.writeFileSync(filename, '');
103  fs.writeFile(filename, s, { flag: 'r' }, common.expectsError(/EBADF/));
104}
105