text: // Copyright Joyent, Inc. and other Node contributors.
  //
  // Permission is hereby granted, free of charge, to any person obtaining a
  // 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,
  // distribute, sublicense, and/or sell copies of the Software, and to permit
  // 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
  // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
  // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
  // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  // USE OR OTHER DEALINGS IN THE SOFTWARE.
  
  assert = require('assert');
  child = require('child_process');
  
  nodejs = '"' + process.execPath + '"';
  
  if (module.parent) {
    // signal we've been loaded as a module
    console.log('Loaded as a module, exiting with status code 42.');
    process.exit(42);
  }
  
  // assert that the result of the final expression is written to stdout
  child.exec(nodejs + ' --eval "1337; 42"',
      function(err, stdout, stderr) {
        assert.equal(parseInt(stdout), 42);
      });
  
  // assert that module loading works
  child.exec(nodejs + ' --eval "require(\'' + __filename + '\')"',
      function(status, stdout, stderr) {
        assert.equal(status.code, 42);
      });
  
  // module path resolve bug, regression test
  child.exec(nodejs + ' --eval "require(\'./test/simple/test-cli-eval.js\')"',
      function(status, stdout, stderr) {
        assert.equal(status.code, 42);
      });
  
  // empty program should do nothing
  child.exec(nodejs + ' -e ""', function(status, stdout, stderr) {
    assert.equal(stdout, 'undefined\n');
    assert.equal(stderr, '');
  });
  