1'use strict';
2const common = require('../common');
3const fixtures = require('../common/fixtures');
4const assert = require('assert');
5const child = require('child_process');
6const path = require('path');
7
8const failures = [];
9const slashRE = /\//g;
10const backslashRE = /\\/g;
11
12const posixyCwd = common.isWindows ?
13  (() => {
14    const _ = process.cwd()
15      .replaceAll(path.sep, path.posix.sep);
16    return _.slice(_.indexOf(path.posix.sep));
17  })() :
18  process.cwd();
19
20const resolveTests = [
21  [ path.win32.resolve,
22    // Arguments                               result
23    [[['c:/blah\\blah', 'd:/games', 'c:../a'], 'c:\\blah\\a'],
24     [['c:/ignore', 'd:\\a/b\\c/d', '\\e.exe'], 'd:\\e.exe'],
25     [['c:/ignore', 'c:/some/file'], 'c:\\some\\file'],
26     [['d:/ignore', 'd:some/dir//'], 'd:\\ignore\\some\\dir'],
27     [['.'], process.cwd()],
28     [['//server/share', '..', 'relative\\'], '\\\\server\\share\\relative'],
29     [['c:/', '//'], 'c:\\'],
30     [['c:/', '//dir'], 'c:\\dir'],
31     [['c:/', '//server/share'], '\\\\server\\share\\'],
32     [['c:/', '//server//share'], '\\\\server\\share\\'],
33     [['c:/', '///some//dir'], 'c:\\some\\dir'],
34     [['C:\\foo\\tmp.3\\', '..\\tmp.3\\cycles\\root.js'],
35      'C:\\foo\\tmp.3\\cycles\\root.js'],
36    ],
37  ],
38  [ path.posix.resolve,
39    // Arguments                    result
40    [[['/var/lib', '../', 'file/'], '/var/file'],
41     [['/var/lib', '/../', 'file/'], '/file'],
42     [['a/b/c/', '../../..'], posixyCwd],
43     [['.'], posixyCwd],
44     [['/some/dir', '.', '/absolute/'], '/absolute'],
45     [['/foo/tmp.3/', '../tmp.3/cycles/root.js'], '/foo/tmp.3/cycles/root.js'],
46    ],
47  ],
48];
49resolveTests.forEach(([resolve, tests]) => {
50  tests.forEach(([test, expected]) => {
51    const actual = resolve.apply(null, test);
52    let actualAlt;
53    const os = resolve === path.win32.resolve ? 'win32' : 'posix';
54    if (resolve === path.win32.resolve && !common.isWindows)
55      actualAlt = actual.replace(backslashRE, '/');
56    else if (resolve !== path.win32.resolve && common.isWindows)
57      actualAlt = actual.replace(slashRE, '\\');
58
59    const message =
60      `path.${os}.resolve(${test.map(JSON.stringify).join(',')})\n  expect=${
61        JSON.stringify(expected)}\n  actual=${JSON.stringify(actual)}`;
62    if (actual !== expected && actualAlt !== expected)
63      failures.push(message);
64  });
65});
66assert.strictEqual(failures.length, 0, failures.join('\n'));
67
68if (common.isWindows) {
69  // Test resolving the current Windows drive letter from a spawned process.
70  // See https://github.com/nodejs/node/issues/7215
71  const currentDriveLetter = path.parse(process.cwd()).root.substring(0, 2);
72  const resolveFixture = fixtures.path('path-resolve.js');
73  const spawnResult = child.spawnSync(
74    process.argv[0], [resolveFixture, currentDriveLetter]);
75  const resolvedPath = spawnResult.stdout.toString().trim();
76  assert.strictEqual(resolvedPath.toLowerCase(), process.cwd().toLowerCase());
77}
78
79if (!common.isWindows) {
80  // Test handling relative paths to be safe when process.cwd() fails.
81  process.cwd = () => '';
82  assert.strictEqual(process.cwd(), '');
83  const resolved = path.resolve();
84  const expected = '.';
85  assert.strictEqual(resolved, expected);
86}
87