• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
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 n = 220;
34const 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、' +
35          '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。' +
36          '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。' +
37          '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，' +
38          '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，' +
39          '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，' +
40          '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';
41
42fs.writeFile(filename, s, common.mustCall(function(e) {
43  assert.ifError(e);
44
45  fs.readFile(filename, common.mustCall(function(e, buffer) {
46    assert.ifError(e);
47    assert.strictEqual(Buffer.byteLength(s), buffer.length);
48  }));
49}));
50
51// Test that writeFile accepts buffers.
52const filename2 = join(tmpdir.path, 'test2.txt');
53const buf = Buffer.from(s, 'utf8');
54
55fs.writeFile(filename2, buf, common.mustCall(function(e) {
56  assert.ifError(e);
57
58  fs.readFile(filename2, common.mustCall(function(e, buffer) {
59    assert.ifError(e);
60
61    assert.strictEqual(buf.length, buffer.length);
62  }));
63}));
64
65// Test that writeFile accepts numbers.
66const filename3 = join(tmpdir.path, 'test3.txt');
67
68const m = 0o600;
69fs.writeFile(filename3, n, { mode: m }, common.mustCall(function(e) {
70  assert.ifError(e);
71
72  // Windows permissions aren't Unix.
73  if (!common.isWindows) {
74    const st = fs.statSync(filename3);
75    assert.strictEqual(st.mode & 0o700, m);
76  }
77
78  fs.readFile(filename3, common.mustCall(function(e, buffer) {
79    assert.ifError(e);
80
81    assert.strictEqual(Buffer.byteLength(String(n)), buffer.length);
82  }));
83}));
84
85// Test that writeFile accepts file descriptors.
86const filename4 = join(tmpdir.path, 'test4.txt');
87
88fs.open(filename4, 'w+', common.mustCall(function(e, fd) {
89  assert.ifError(e);
90
91  fs.writeFile(fd, s, common.mustCall(function(e) {
92    assert.ifError(e);
93
94    fs.close(fd, common.mustCall(function(e) {
95      assert.ifError(e);
96
97      fs.readFile(filename4, common.mustCall(function(e, buffer) {
98        assert.ifError(e);
99
100        assert.strictEqual(Buffer.byteLength(s), buffer.length);
101      }));
102    }));
103  }));
104}));
105
106process.on('exit', function() {
107  fs.unlinkSync(filename);
108  fs.unlinkSync(filename2);
109  fs.unlinkSync(filename3);
110  fs.unlinkSync(filename4);
111});
112