1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
|
// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// 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';
// Make sure that sync writes to stderr get processed before exiting.
require('../common');
function parent() {
const spawn = require('child_process').spawn;
const assert = require('assert');
let i = 0;
children.forEach(function(_, c) {
const child = spawn(process.execPath, [__filename, String(c)]);
let err = '';
child.stderr.on('data', function(c) {
err += c;
});
child.on('close', function() {
assert.strictEqual(err, `child ${c}\nfoo\nbar\nbaz\n`);
console.log(`ok ${++i} child #${c}`);
if (i === children.length)
console.log(`1..${i}`);
});
});
}
// using console.error
function child0() {
console.error('child 0');
console.error('foo');
console.error('bar');
console.error('baz');
}
// Using process.stderr
function child1() {
process.stderr.write('child 1\n');
process.stderr.write('foo\n');
process.stderr.write('bar\n');
process.stderr.write('baz\n');
}
// using a net socket
function child2() {
const net = require('net');
const socket = new net.Socket({
fd: 2,
readable: false,
writable: true });
socket.write('child 2\n');
socket.write('foo\n');
socket.write('bar\n');
socket.write('baz\n');
}
function child3() {
console.error('child 3\nfoo\nbar\nbaz');
}
function child4() {
process.stderr.write('child 4\nfoo\nbar\nbaz\n');
}
const children = [ child0, child1, child2, child3, child4 ];
if (!process.argv[2]) {
parent();
} else {
children[process.argv[2]]();
// Immediate process.exit to kill any waiting stuff.
process.exit();
}
|
