io.js/test/parallel/test-fs-options-immutable.js at aafd3904f99654056cc1b9e7a1414f2e783fa862 · thefourtheye/io.js · GitHub

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
95
96
'use strict';

/*
 * These tests make sure that the `options` object passed to these functions are
 * never altered.
 *
 * Refer: https://github.com/nodejs/node/issues/7655
 */

const common = require('../common');
const assert = require('assert');
const path = require('path');
const fs = require('fs');
const errHandler = (e) => assert.ifError(e);
const options = Object.freeze({});
common.refreshTmpDir();

{
  assert.doesNotThrow(() =>
    fs.readFile(__filename, options, common.mustCall(errHandler))
  );
  assert.doesNotThrow(() => fs.readFileSync(__filename, options));
}

{
  assert.doesNotThrow(() =>
    fs.readdir(__dirname, options, common.mustCall(errHandler))
  );
  assert.doesNotThrow(() => fs.readdirSync(__dirname, options));
}

if (common.canCreateSymLink()) {
  const sourceFile = path.resolve(common.tmpDir, 'test-readlink');
  const linkFile = path.resolve(common.tmpDir, 'test-readlink-link');

  fs.writeFileSync(sourceFile, '');
  fs.symlinkSync(sourceFile, linkFile);

  assert.doesNotThrow(() =>
    fs.readlink(linkFile, options, common.mustCall(errHandler))
  );
  assert.doesNotThrow(() => fs.readlinkSync(linkFile, options));
}

{
  const fileName = path.resolve(common.tmpDir, 'writeFile');
  assert.doesNotThrow(() => fs.writeFileSync(fileName, 'ABCD', options));
  assert.doesNotThrow(() =>
    fs.writeFile(fileName, 'ABCD', options, common.mustCall(errHandler))
  );
}

{
  const fileName = path.resolve(common.tmpDir, 'appendFile');
  assert.doesNotThrow(() => fs.appendFileSync(fileName, 'ABCD', options));
  assert.doesNotThrow(() =>
    fs.appendFile(fileName, 'ABCD', options, common.mustCall(errHandler))
  );
}

{
  let watch;
  assert.doesNotThrow(() => {
    watch = fs.watch(__filename, options, common.noop);
  });
  watch.close();
}

{
  assert.doesNotThrow(() => fs.watchFile(__filename, options, common.noop));
  fs.unwatchFile(__filename);
}

{
  assert.doesNotThrow(() => fs.realpathSync(__filename, options));
  assert.doesNotThrow(() =>
    fs.realpath(__filename, options, common.mustCall(errHandler))
  );
}

{
  const tempFileName = path.resolve(common.tmpDir, 'mkdtemp-');
  assert.doesNotThrow(() => fs.mkdtempSync(tempFileName, options));
  assert.doesNotThrow(() =>
    fs.mkdtemp(tempFileName, options, common.mustCall(errHandler))
  );
}

{
  const fileName = path.resolve(common.tmpDir, 'streams');
  assert.doesNotThrow(() => {
    fs.WriteStream(fileName, options).once('open', () => {
      assert.doesNotThrow(() => fs.ReadStream(fileName, options));
    });
  });
}