summaryrefslogtreecommitdiff
path: root/test/parallel/test-child-process-execfile-maxbuf.js
blob: 22fb9264ea8c532d4546d1fda0cc5560b44602e6 (plain)
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
'use strict';
const common = require('../common');
const assert = require('assert');
const { execFile } = require('child_process');

function checkFactory(streamName) {
  return common.mustCall((err) => {
    assert(err instanceof RangeError);
    assert.strictEqual(err.message, `${streamName} maxBuffer length exceeded`);
    assert.strictEqual(err.code, 'ERR_CHILD_PROCESS_STDIO_MAXBUFFER');
  });
}

// default value
{
  execFile(
    process.execPath,
    ['-e', 'console.log("a".repeat(1024 * 1024))'],
    checkFactory('stdout')
  );
}

// default value
{
  execFile(
    process.execPath,
    ['-e', 'console.log("a".repeat(1024 * 1024 - 1))'],
    common.mustSucceed((stdout, stderr) => {
      assert.strictEqual(stdout.trim(), 'a'.repeat(1024 * 1024 - 1));
      assert.strictEqual(stderr, '');
    })
  );
}

{
  const options = { maxBuffer: Infinity };

  execFile(
    process.execPath,
    ['-e', 'console.log("hello world");'],
    options,
    common.mustSucceed((stdout, stderr) => {
      assert.strictEqual(stdout.trim(), 'hello world');
      assert.strictEqual(stderr, '');
    })
  );
}

{
  execFile('echo', ['hello world'], { maxBuffer: 5 }, checkFactory('stdout'));
}

const unicode = '中文测试'; // length = 4, byte length = 12

{
  execFile(
    process.execPath,
    ['-e', `console.log('${unicode}');`],
    { maxBuffer: 10 },
    checkFactory('stdout'));
}

{
  execFile(
    process.execPath,
    ['-e', `console.error('${unicode}');`],
    { maxBuffer: 10 },
    checkFactory('stderr')
  );
}

{
  const child = execFile(
    process.execPath,
    ['-e', `console.log('${unicode}');`],
    { encoding: null, maxBuffer: 10 },
    checkFactory('stdout')
  );

  child.stdout.setEncoding('utf-8');
}

{
  const child = execFile(
    process.execPath,
    ['-e', `console.error('${unicode}');`],
    { encoding: null, maxBuffer: 10 },
    checkFactory('stderr')
  );

  child.stderr.setEncoding('utf-8');
}