csrc/node-v0.10.24/test/disabled/test-setuidgid.js

// Copyright Joyent, Inc. and other Node contributors.
//
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// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
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// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// Requires special privlages
var common = require('../common');
var assert = require('assert');

var oldgid = process.getgid();
process.setgid('nobody');
var newgid = process.getgid();
assert.notEqual(newgid, oldgid, 'gids expected to be different');

var olduid = process.getuid();
process.setuid('nobody');
var newuid = process.getuid();
assert.notEqual(newuid, olduid, 'uids expected to be different');

try {
  process.setuid('nobody1234');
} catch (e) {
  assert.equal(e.message,
               'failed to resolve group',
               'unexpected error message'
  );
}