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// Flags: --expose-internals
23'use strict';
24const common = require('../common');
25
26const fixtures = require('../common/fixtures');
27
28const assert = require('assert');
29const fs = require('fs');
30const path = require('path');
31
32// 0 if not found in fs.constants
33const { O_APPEND = 0,
34        O_CREAT = 0,
35        O_EXCL = 0,
36        O_RDONLY = 0,
37        O_RDWR = 0,
38        O_SYNC = 0,
39        O_DSYNC = 0,
40        O_TRUNC = 0,
41        O_WRONLY = 0 } = fs.constants;
42
43const { stringToFlags } = require('internal/fs/utils');
44
45assert.strictEqual(stringToFlags('r'), O_RDONLY);
46assert.strictEqual(stringToFlags('r+'), O_RDWR);
47assert.strictEqual(stringToFlags('rs+'), O_RDWR | O_SYNC);
48assert.strictEqual(stringToFlags('sr+'), O_RDWR | O_SYNC);
49assert.strictEqual(stringToFlags('w'), O_TRUNC | O_CREAT | O_WRONLY);
50assert.strictEqual(stringToFlags('w+'), O_TRUNC | O_CREAT | O_RDWR);
51assert.strictEqual(stringToFlags('a'), O_APPEND | O_CREAT | O_WRONLY);
52assert.strictEqual(stringToFlags('a+'), O_APPEND | O_CREAT | O_RDWR);
53
54assert.strictEqual(stringToFlags('wx'), O_TRUNC | O_CREAT | O_WRONLY | O_EXCL);
55assert.strictEqual(stringToFlags('xw'), O_TRUNC | O_CREAT | O_WRONLY | O_EXCL);
56assert.strictEqual(stringToFlags('wx+'), O_TRUNC | O_CREAT | O_RDWR | O_EXCL);
57assert.strictEqual(stringToFlags('xw+'), O_TRUNC | O_CREAT | O_RDWR | O_EXCL);
58assert.strictEqual(stringToFlags('ax'), O_APPEND | O_CREAT | O_WRONLY | O_EXCL);
59assert.strictEqual(stringToFlags('xa'), O_APPEND | O_CREAT | O_WRONLY | O_EXCL);
60assert.strictEqual(stringToFlags('as'), O_APPEND | O_CREAT | O_WRONLY | O_SYNC);
61assert.strictEqual(stringToFlags('sa'), O_APPEND | O_CREAT | O_WRONLY | O_SYNC);
62assert.strictEqual(stringToFlags('ax+'), O_APPEND | O_CREAT | O_RDWR | O_EXCL);
63assert.strictEqual(stringToFlags('xa+'), O_APPEND | O_CREAT | O_RDWR | O_EXCL);
64assert.strictEqual(stringToFlags('as+'), O_APPEND | O_CREAT | O_RDWR | O_SYNC);
65assert.strictEqual(stringToFlags('sa+'), O_APPEND | O_CREAT | O_RDWR | O_SYNC);
66
67('+ +a +r +w rw wa war raw r++ a++ w++ x +x x+ rx rx+ wxx wax xwx xxx')
68  .split(' ')
69  .forEach(function(flags) {
70    assert.throws(
71      () => stringToFlags(flags),
72      { code: 'ERR_INVALID_ARG_VALUE', name: 'TypeError' }
73    );
74  });
75
76assert.throws(
77  () => stringToFlags({}),
78  { code: 'ERR_INVALID_ARG_VALUE', name: 'TypeError' }
79);
80
81assert.throws(
82  () => stringToFlags(true),
83  { code: 'ERR_INVALID_ARG_VALUE', name: 'TypeError' }
84);
85
86if (common.isLinux || common.isOSX) {
87  const tmpdir = require('../common/tmpdir');
88  tmpdir.refresh();
89  const file = path.join(tmpdir.path, 'a.js');
90  fs.copyFileSync(fixtures.path('a.js'), file);
91  fs.open(file, O_DSYNC, common.mustSucceed((fd) => {
92    fs.closeSync(fd);
93  }));
94}
95