text: var should = require('should'),
      delayPool = require('poolr.js').createPool(2);
  
  
  var sleep05 = function(callback) {
      setTimeout(function(){return callback(null)}, 500);
  }
  
  exports['addTask return false on limit'] = function(){
      delayPool.addTask(sleep05).should.be.ok;
      delayPool.addTask(sleep05).should.be.ok;
      delayPool.addTask(sleep05).should.not.be.ok;
  
      delayPool.addTask(
          clearTimeout, setTimeout(function () { throw 'Timeout';  }, 2000)
      );
  }; 
  
  