text: 'use strict';
  var common = require('../common');
  var assert = require('assert');
  var spawn = require('child_process').spawn;
  
  var buffer = '';
  var scriptToDebug = common.fixturesDir + '/empty.js';
  
  function fail() {
    assert(0); // `--debug-brk script.js` should not quit
  }
  
  // running with debug agent
  var child = spawn(process.execPath, ['--debug-brk=5959', scriptToDebug]);
  
  console.error(process.execPath, '--debug-brk=5959', scriptToDebug);
  
  // connect to debug agent
  var interfacer = spawn(process.execPath, ['debug', 'localhost:5959']);
  
  console.error(process.execPath, 'debug', 'localhost:5959');
  interfacer.stdout.setEncoding('utf-8');
  interfacer.stdout.on('data', function(data) {
    data = (buffer + data).split('\n');
    buffer = data.pop();
    data.forEach(function(line) {
      interfacer.emit('line', line);
    });
  });
  
  interfacer.on('line', function(line) {
    line = line.replace(/^(debug> *)+/, '');
    console.log(line);
    var expected = '\bconnecting to localhost:5959 ... ok';
    assert.ok(expected == line, 'Got unexpected line: ' + line);
  });
  
  // allow time to start up the debugger
  setTimeout(function() {
    child.removeListener('exit', fail);
    child.kill();
    interfacer.removeListener('exit', fail);
    interfacer.kill();
  }, 2000);
  
  process.on('exit', function() {
    assert(child.killed);
    assert(interfacer.killed);
  });
  
  interfacer.stderr.pipe(process.stderr);
  