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
// deno-fmt-ignore-file// deno-lint-ignore-file
// Copyright Joyent and Node contributors. All rights reserved. MIT license.// Taken from Node 18.12.0// This file is automatically generated by "node/_tools/setup.ts". Do not modify this file manually
'use strict';require('../common');
// This test checks that the maxBuffer option for child_process.spawnSync()// works as expected.
const assert = require('assert');const spawnSync = require('child_process').spawnSync;const { getSystemErrorName } = require('util');const msgOut = 'this is stdout';const msgOutBuf = Buffer.from(`${msgOut}\n`);
const args = [  '-e',  `console.log("${msgOut}");`,];
// Verify that an error is returned if maxBuffer is surpassed.{  const ret = spawnSync(process.execPath, args, { maxBuffer: 1 });
  assert.ok(ret.error, 'maxBuffer should error');  assert.strictEqual(ret.error.code, 'ENOBUFS');  assert.strictEqual(getSystemErrorName(ret.error.errno), 'ENOBUFS');  // We can have buffers larger than maxBuffer because underneath we alloc 64k  // that matches our read sizes.  assert.deepStrictEqual(ret.stdout, msgOutBuf);}
// Verify that a maxBuffer size of Infinity works.{  const ret = spawnSync(process.execPath, args, { maxBuffer: Infinity });
  assert.ifError(ret.error);  assert.deepStrictEqual(ret.stdout, msgOutBuf);}
// Default maxBuffer size is 1024 * 1024.{  const args = ['-e', "console.log('a'.repeat(1024 * 1024))"];  const ret = spawnSync(process.execPath, args);
  assert.ok(ret.error, 'maxBuffer should error');  assert.strictEqual(ret.error.code, 'ENOBUFS');  assert.strictEqual(getSystemErrorName(ret.error.errno), 'ENOBUFS');}
// Default maxBuffer size is 1024 * 1024.{  const args = ['-e', "console.log('a'.repeat(1024 * 1024 - 1))"];  const ret = spawnSync(process.execPath, args);
  assert.ifError(ret.error);  assert.deepStrictEqual(    ret.stdout.toString().trim(),    'a'.repeat(1024 * 1024 - 1)  );}