1var a = require.resolve('buffer/').replace(process.cwd(), '$CWD');
2var b;
3var c;
4
5var test = function test() {
6    console.log(a, ': require.resolve, preserveSymlinks ' + (process.execArgv.indexOf('preserve-symlinks') > -1 ? 'true' : 'false'));
7    console.log(b, ': preserveSymlinks true');
8    console.log(c, ': preserveSymlinks false');
9
10    if (a !== b && a !== c) {
11        throw 'async: no match';
12    }
13    console.log('async: success! a matched either b or c\n');
14};
15
16require('resolve')('buffer/', { preserveSymlinks: true }, function (err, result) {
17    if (err) { throw err; }
18    b = result.replace(process.cwd(), '$CWD');
19    if (b && c) { test(); }
20});
21require('resolve')('buffer/', { preserveSymlinks: false }, function (err, result) {
22    if (err) { throw err; }
23    c = result.replace(process.cwd(), '$CWD');
24    if (b && c) { test(); }
25});
26
27