'use strict';
  
  var assert = require('assert');
  var runAsync = require('./index');
  
  describe('runAsync', function () {
    it('run synchronous method', function (done) {
      var aFunc = function () {
        return 'pass1';
      };
      runAsync(aFunc, function (val) {
        assert.equal(val, 'pass1');
        done();
      });
    });
  
    it('run asynchronous method', function (done) {
      var aFunc = function () {
        var returns = this.async();
        setTimeout(returns.bind(null, 'pass2'), 0);
      };
  
      runAsync(aFunc, function (val) {
        assert.equal(val, 'pass2');
        done();
      });
    });
  
    it('pass arguments', function (done) {
      var aFunc = function (a, b) {
        assert.equal(a, 1);
        assert.equal(b, 'bar');
        return 'pass1';
      };
      runAsync(aFunc, function (val) {
        done();
      }, 1, 'bar');
    });
  
    it('allow only callback once', function (done) {
      var aFunc = function () {
        var returns = this.async();
        returns();
        returns();
      };
  
      runAsync(aFunc, function (val) {
        done();
      });
    });
  });