fox.js

var fox = (function(){

  var pkgmap        = {},
      global        = {},
      nativeRequire = typeof require != 'undefined' && require,
      lib, ties, main, async;

  function exports(){ return main(); };

  exports.main     = exports;
  exports.module   = module;
  exports.packages = pkgmap;
  exports.pkg      = pkg;
  exports.require  = function require(uri){
    return pkgmap.main.index.require(uri);
  };


  ties             = {};

  aliases          = {};


  return exports;

function join() {
  return normalize(Array.prototype.join.call(arguments, "/"));
};

function normalize(path) {
  var ret = [], parts = path.split('/'), cur, prev;

  var i = 0, l = parts.length-1;
  for (; i <= l; i++) {
    cur = parts[i];

    if (cur === "." && prev !== undefined) continue;

    if (cur === ".." && ret.length && prev !== ".." && prev !== "." && prev !== undefined) {
      ret.pop();
      prev = ret.slice(-1)[0];
    } else {
      if (prev === ".") ret.pop();
      ret.push(cur);
      prev = cur;
    }
  }

  return ret.join("/");
};

function dirname(path) {
  return path && path.substr(0, path.lastIndexOf("/")) || ".";
};

function findModule(workingModule, uri){
  var moduleId      = join(dirname(workingModule.id), /\.\/$/.test(uri) ? (uri + 'index') : uri ).replace(/\.js$/, ''),
      moduleIndexId = join(moduleId, 'index'),
      pkg           = workingModule.pkg,
      module;

  var i = pkg.modules.length,
      id;

  while(i-->0){
    id = pkg.modules[i].id;

    if(id==moduleId || id == moduleIndexId){
      module = pkg.modules[i];
      break;
    }
  }

  return module;
}

function newRequire(callingModule){
  function require(uri){
    var module, pkg;

    if(/^\./.test(uri)){
      module = findModule(callingModule, uri);
    } else if ( ties && ties.hasOwnProperty( uri ) ) {
      return ties[uri];
    } else if ( aliases && aliases.hasOwnProperty( uri ) ) {
      return require(aliases[uri]);
    } else {
      pkg = pkgmap[uri];

      if(!pkg && nativeRequire){
        try {
          pkg = nativeRequire(uri);
        } catch (nativeRequireError) {}

        if(pkg) return pkg;
      }

      if(!pkg){
        throw new Error('Cannot find module "'+uri+'" @[module: '+callingModule.id+' package: '+callingModule.pkg.name+']');
      }

      module = pkg.index;
    }

    if(!module){
      throw new Error('Cannot find module "'+uri+'" @[module: '+callingModule.id+' package: '+callingModule.pkg.name+']');
    }

    module.parent = callingModule;
    return module.call();
  };


  return require;
}


function module(parent, id, wrapper){
  var mod    = { pkg: parent, id: id, wrapper: wrapper },
      cached = false;

  mod.exports = {};
  mod.require = newRequire(mod);

  mod.call = function(){
    if(cached) {
      return mod.exports;
    }

    cached = true;

    global.require = mod.require;

    mod.wrapper(mod, mod.exports, global, global.require);
    return mod.exports;
  };

  if(parent.mainModuleId == mod.id){
    parent.index = mod;
    parent.parents.length === 0 && ( main = mod.call );
  }

  parent.modules.push(mod);
}

function pkg(/* [ parentId ...], wrapper */){
  var wrapper = arguments[ arguments.length - 1 ],
      parents = Array.prototype.slice.call(arguments, 0, arguments.length - 1),
      ctx     = wrapper(parents);


  pkgmap[ctx.name] = ctx;

  arguments.length == 1 && ( pkgmap.main = ctx );

  return function(modules){
    var id;
    for(id in modules){
      module(ctx, id, modules[id]);
    }
  };
}


}(this));

fox.pkg("fox", function(parents){

  return {
    'name'         : 'chai',
    'mainModuleId' : 'index',
    'modules'      : [],
    'parents'      : parents
  };

})({ 'index': function(module, exports, global, require, undefined){
  module.exports = require('./lib/chai');

}, 



'lib/chai': function(module, exports, global, require, undefined){
  /*!
 * chai
 * Copyright(c) 2011-2013 Jake Luer <jake@alogicalparadox.com>
 * MIT Licensed
 */

var used = []
  , exports = module.exports = {};

/*!
 * Chai version
 */

exports.version = '1.5.0';

/*!
 * Primary `Assertion` prototype
 */

exports.Assertion = require('./chai/assertion');

/*!
 * Assertion Error
 */

exports.AssertionError = require('./chai/error');

/*!
 * Utils for plugins (not exported)
 */

var util = require('./chai/utils');

/**
 * # .use(function)
 *
 * Provides a way to extend the internals of Chai
 *
 * @param {Function}
 * @returns {this} for chaining
 * @api public
 */

exports.use = function (fn) {
  if (!~used.indexOf(fn)) {
    fn(this, util);
    used.push(fn);
  }

  return this;
};

/*!
 * Core Assertions
 */

var core = require('./chai/core/assertions');
exports.use(core);

/*!
 * Expect interface
 */

var expect = require('./chai/interface/expect');
exports.use(expect);

/*!
 * Should interface
 */

var should = require('./chai/interface/should');
exports.use(should);

/*!
 * Assert interface
 */

var assert = require('./chai/interface/assert');
exports.use(assert);

}, 



'lib/chai/assertion': function(module, exports, global, require, undefined){
  /*!
 * chai
 * http://chaijs.com
 * Copyright(c) 2011-2013 Jake Luer <jake@alogicalparadox.com>
 * MIT Licensed
 */

/*!
 * Module dependencies.
 */

var AssertionError = require('./error')
  , util = require('./utils')
  , flag = util.flag;

/*!
 * Module export.
 */

module.exports = Assertion;


/*!
 * Assertion Constructor
 *
 * Creates object for chaining.
 *
 * @api private
 */

function Assertion (obj, msg, stack) {
  flag(this, 'ssfi', stack || arguments.callee);
  flag(this, 'object', obj);
  flag(this, 'message', msg);
}

/*!
  * ### Assertion.includeStack
  *
  * User configurable property, influences whether stack trace
  * is included in Assertion error message. Default of false
  * suppresses stack trace in the error message
  *
  *     Assertion.includeStack = true;  // enable stack on error
  *
  * @api public
  */

Assertion.includeStack = false;

/*!
 * ### Assertion.showDiff
 *
 * User configurable property, influences whether or not
 * the `showDiff` flag should be included in the thrown
 * AssertionErrors. `false` will always be `false`; `true`
 * will be true when the assertion has requested a diff
 * be shown.
 *
 * @api public
 */

Assertion.showDiff = true;

Assertion.addProperty = function (name, fn) {
  util.addProperty(this.prototype, name, fn);
};

Assertion.addMethod = function (name, fn) {
  util.addMethod(this.prototype, name, fn);
};

Assertion.addChainableMethod = function (name, fn, chainingBehavior) {
  util.addChainableMethod(this.prototype, name, fn, chainingBehavior);
};

Assertion.overwriteProperty = function (name, fn) {
  util.overwriteProperty(this.prototype, name, fn);
};

Assertion.overwriteMethod = function (name, fn) {
  util.overwriteMethod(this.prototype, name, fn);
};

/*!
 * ### .assert(expression, message, negateMessage, expected, actual)
 *
 * Executes an expression and check expectations. Throws AssertionError for reporting if test doesn't pass.
 *
 * @name assert
 * @param {Philosophical} expression to be tested
 * @param {String} message to display if fails
 * @param {String} negatedMessage to display if negated expression fails
 * @param {Mixed} expected value (remember to check for negation)
 * @param {Mixed} actual (optional) will default to `this.obj`
 * @api private
 */

Assertion.prototype.assert = function (expr, msg, negateMsg, expected, _actual, showDiff) {
  var ok = util.test(this, arguments);
  if (true !== showDiff) showDiff = false;
  if (true !== Assertion.showDiff) showDiff = false;

  if (!ok) {
    var msg = util.getMessage(this, arguments)
      , actual = util.getActual(this, arguments);
    throw new AssertionError({
        message: msg
      , actual: actual
      , expected: expected
      , stackStartFunction: (Assertion.includeStack) ? this.assert : flag(this, 'ssfi')
      , showDiff: showDiff
    });
  }
};

/*!
 * ### ._obj
 *
 * Quick reference to stored `actual` value for plugin developers.
 *
 * @api private
 */

Object.defineProperty(Assertion.prototype, '_obj',
  { get: function () {
      return flag(this, 'object');
    }
  , set: function (val) {
      flag(this, 'object', val);
    }
});

}, 



'lib/chai/core/assertions': function(module, exports, global, require, undefined){
  /*!
 * chai
 * http://chaijs.com
 * Copyright(c) 2011-2013 Jake Luer <jake@alogicalparadox.com>
 * MIT Licensed
 */

module.exports = function (chai, _) {
  var Assertion = chai.Assertion
    , toString = Object.prototype.toString
    , flag = _.flag;

  /**
   * ### Language Chains
   *
   * The following are provide as chainable getters to
   * improve the readability of your assertions. They
   * do not provide an testing capability unless they
   * have been overwritten by a plugin.
   *
   * **Chains**
   *
   * - to
   * - be
   * - been
   * - is
   * - that
   * - and
   * - have
   * - with
   * - at
   * - of
   *
   * @name language chains
   * @api public
   */

  [ 'to', 'be', 'been'
  , 'is', 'and', 'have'
  , 'with', 'that', 'at'
  , 'of' ].forEach(function (chain) {
    Assertion.addProperty(chain, function () {
      return this;
    });
  });

  /**
   * ### .not
   *
   * Negates any of assertions following in the chain.
   *
   *     expect(foo).to.not.equal('bar');
   *     expect(goodFn).to.not.throw(Error);
   *     expect({ foo: 'baz' }).to.have.property('foo')
   *       .and.not.equal('bar');
   *
   * @name not
   * @api public
   */

  Assertion.addProperty('not', function () {
    flag(this, 'negate', true);
  });

  /**
   * ### .deep
   *
   * Sets the `deep` flag, later used by the `equal` and
   * `property` assertions.
   *
   *     expect(foo).to.deep.equal({ bar: 'baz' });
   *     expect({ foo: { bar: { baz: 'quux' } } })
   *       .to.have.deep.property('foo.bar.baz', 'quux');
   *
   * @name deep
   * @api public
   */

  Assertion.addProperty('deep', function () {
    flag(this, 'deep', true);
  });

  /**
   * ### .a(type)
   *
   * The `a` and `an` assertions are aliases that can be
   * used either as language chains or to assert a value's
   * type.
   *
   *     // typeof
   *     expect('test').to.be.a('string');
   *     expect({ foo: 'bar' }).to.be.an('object');
   *     expect(null).to.be.a('null');
   *     expect(undefined).to.be.an('undefined');
   *
   *     // language chain
   *     expect(foo).to.be.an.instanceof(Foo);
   *
   * @name a
   * @alias an
   * @param {String} type
   * @param {String} message _optional_
   * @api public
   */

  function an (type, msg) {
    if (msg) flag(this, 'message', msg);
    type = type.toLowerCase();
    var obj = flag(this, 'object')
      , article = ~[ 'a', 'e', 'i', 'o', 'u' ].indexOf(type.charAt(0)) ? 'an ' : 'a ';

    this.assert(
        type === _.type(obj)
      , 'expected #{this} to be ' + article + type
      , 'expected #{this} not to be ' + article + type
    );
  }

  Assertion.addChainableMethod('an', an);
  Assertion.addChainableMethod('a', an);

  /**
   * ### .include(value)
   *
   * The `include` and `contain` assertions can be used as either property
   * based language chains or as methods to assert the inclusion of an object
   * in an array or a substring in a string. When used as language chains,
   * they toggle the `contain` flag for the `keys` assertion.
   *
   *     expect([1,2,3]).to.include(2);
   *     expect('foobar').to.contain('foo');
   *     expect({ foo: 'bar', hello: 'universe' }).to.include.keys('foo');
   *
   * @name include
   * @alias contain
   * @param {Object|String|Number} obj
   * @param {String} message _optional_
   * @api public
   */

  function includeChainingBehavior () {
    flag(this, 'contains', true);
  }

  function include (val, msg) {
    if (msg) flag(this, 'message', msg);
    var obj = flag(this, 'object')
    this.assert(
        ~obj.indexOf(val)
      , 'expected #{this} to include ' + _.inspect(val)
      , 'expected #{this} to not include ' + _.inspect(val));
  }

  Assertion.addChainableMethod('include', include, includeChainingBehavior);
  Assertion.addChainableMethod('contain', include, includeChainingBehavior);

  /**
   * ### .ok
   *
   * Asserts that the target is truthy.
   *
   *     expect('everthing').to.be.ok;
   *     expect(1).to.be.ok;
   *     expect(false).to.not.be.ok;
   *     expect(undefined).to.not.be.ok;
   *     expect(null).to.not.be.ok;
   *
   * @name ok
   * @api public
   */

  Assertion.addProperty('ok', function () {
    this.assert(
        flag(this, 'object')
      , 'expected #{this} to be truthy'
      , 'expected #{this} to be falsy');
  });

  /**
   * ### .true
   *
   * Asserts that the target is `true`.
   *
   *     expect(true).to.be.true;
   *     expect(1).to.not.be.true;
   *
   * @name true
   * @api public
   */

  Assertion.addProperty('true', function () {
    this.assert(
        true === flag(this, 'object')
      , 'expected #{this} to be true'
      , 'expected #{this} to be false'
      , this.negate ? false : true
    );
  });

  /**
   * ### .false
   *
   * Asserts that the target is `false`.
   *
   *     expect(false).to.be.false;
   *     expect(0).to.not.be.false;
   *
   * @name false
   * @api public
   */

  Assertion.addProperty('false', function () {
    this.assert(
        false === flag(this, 'object')
      , 'expected #{this} to be false'
      , 'expected #{this} to be true'
      , this.negate ? true : false
    );
  });

  /**
   * ### .null
   *
   * Asserts that the target is `null`.
   *
   *     expect(null).to.be.null;
   *     expect(undefined).not.to.be.null;
   *
   * @name null
   * @api public
   */

  Assertion.addProperty('null', function () {
    this.assert(
        null === flag(this, 'object')
      , 'expected #{this} to be null'
      , 'expected #{this} not to be null'
    );
  });

  /**
   * ### .undefined
   *
   * Asserts that the target is `undefined`.
   *
   *      expect(undefined).to.be.undefined;
   *      expect(null).to.not.be.undefined;
   *
   * @name undefined
   * @api public
   */

  Assertion.addProperty('undefined', function () {
    this.assert(
        undefined === flag(this, 'object')
      , 'expected #{this} to be undefined'
      , 'expected #{this} not to be undefined'
    );
  });

  /**
   * ### .exist
   *
   * Asserts that the target is neither `null` nor `undefined`.
   *
   *     var foo = 'hi'
   *       , bar = null
   *       , baz;
   *
   *     expect(foo).to.exist;
   *     expect(bar).to.not.exist;
   *     expect(baz).to.not.exist;
   *
   * @name exist
   * @api public
   */

  Assertion.addProperty('exist', function () {
    this.assert(
        null != flag(this, 'object')
      , 'expected #{this} to exist'
      , 'expected #{this} to not exist'
    );
  });


  /**
   * ### .empty
   *
   * Asserts that the target's length is `0`. For arrays, it checks
   * the `length` property. For objects, it gets the count of
   * enumerable keys.
   *
   *     expect([]).to.be.empty;
   *     expect('').to.be.empty;
   *     expect({}).to.be.empty;
   *
   * @name empty
   * @api public
   */

  Assertion.addProperty('empty', function () {
    var obj = flag(this, 'object')
      , expected = obj;

    if (Array.isArray(obj) || 'string' === typeof object) {
      expected = obj.length;
    } else if (typeof obj === 'object') {
      expected = Object.keys(obj).length;
    }

    this.assert(
        !expected
      , 'expected #{this} to be empty'
      , 'expected #{this} not to be empty'
    );
  });

  /**
   * ### .arguments
   *
   * Asserts that the target is an arguments object.
   *
   *     function test () {
   *       expect(arguments).to.be.arguments;
   *     }
   *
   * @name arguments
   * @alias Arguments
   * @api public
   */

  function checkArguments () {
    var obj = flag(this, 'object')
      , type = Object.prototype.toString.call(obj);
    this.assert(
        '[object Arguments]' === type
      , 'expected #{this} to be arguments but got ' + type
      , 'expected #{this} to not be arguments'
    );
  }

  Assertion.addProperty('arguments', checkArguments);
  Assertion.addProperty('Arguments', checkArguments);

  /**
   * ### .equal(value)
   *
   * Asserts that the target is strictly equal (`===`) to `value`.
   * Alternately, if the `deep` flag is set, asserts that
   * the target is deeply equal to `value`.
   *
   *     expect('hello').to.equal('hello');
   *     expect(42).to.equal(42);
   *     expect(1).to.not.equal(true);
   *     expect({ foo: 'bar' }).to.not.equal({ foo: 'bar' });
   *     expect({ foo: 'bar' }).to.deep.equal({ foo: 'bar' });
   *
   * @name equal
   * @alias equals
   * @alias eq
   * @alias deep.equal
   * @param {Mixed} value
   * @param {String} message _optional_
   * @api public
   */

  function assertEqual (val, msg) {
    if (msg) flag(this, 'message', msg);
    var obj = flag(this, 'object');
    if (flag(this, 'deep')) {
      return this.eql(val);
    } else {
      this.assert(
          val === obj
        , 'expected #{this} to equal #{exp}'
        , 'expected #{this} to not equal #{exp}'
        , val
        , this._obj
        , true
      );
    }
  }

  Assertion.addMethod('equal', assertEqual);
  Assertion.addMethod('equals', assertEqual);
  Assertion.addMethod('eq', assertEqual);

  /**
   * ### .eql(value)
   *
   * Asserts that the target is deeply equal to `value`.
   *
   *     expect({ foo: 'bar' }).to.eql({ foo: 'bar' });
   *     expect([ 1, 2, 3 ]).to.eql([ 1, 2, 3 ]);
   *
   * @name eql
   * @alias eqls
   * @param {Mixed} value
   * @param {String} message _optional_
   * @api public
   */

  function assertEql(obj, msg) {
    if (msg) flag(this, 'message', msg);
    this.assert(
        _.eql(obj, flag(this, 'object'))
      , 'expected #{this} to deeply equal #{exp}'
      , 'expected #{this} to not deeply equal #{exp}'
      , obj
      , this._obj
      , true
    );
  }

  Assertion.addMethod('eql', assertEql);
  Assertion.addMethod('eqls', assertEql);

  /**
   * ### .above(value)
   *
   * Asserts that the target is greater than `value`.
   *
   *     expect(10).to.be.above(5);
   *
   * Can also be used in conjunction with `length` to
   * assert a minimum length. The benefit being a
   * more informative error message than if the length
   * was supplied directly.
   *
   *     expect('foo').to.have.length.above(2);
   *     expect([ 1, 2, 3 ]).to.have.length.above(2);
   *
   * @name above
   * @alias gt
   * @alias greaterThan
   * @param {Number} value
   * @param {String} message _optional_
   * @api public
   */

  function assertAbove (n, msg) {
    if (msg) flag(this, 'message', msg);
    var obj = flag(this, 'object');
    if (flag(this, 'doLength')) {
      new Assertion(obj, msg).to.have.property('length');
      var len = obj.length;
      this.assert(
          len > n
        , 'expected #{this} to have a length above #{exp} but got #{act}'
        , 'expected #{this} to not have a length above #{exp}'
        , n
        , len
      );
    } else {
      this.assert(
          obj > n
        , 'expected #{this} to be above ' + n
        , 'expected #{this} to be at most ' + n
      );
    }
  }

  Assertion.addMethod('above', assertAbove);
  Assertion.addMethod('gt', assertAbove);
  Assertion.addMethod('greaterThan', assertAbove);

  /**
   * ### .least(value)
   *
   * Asserts that the target is greater than or equal to `value`.
   *
   *     expect(10).to.be.at.least(10);
   *
   * Can also be used in conjunction with `length` to
   * assert a minimum length. The benefit being a
   * more informative error message than if the length
   * was supplied directly.
   *
   *     expect('foo').to.have.length.of.at.least(2);
   *     expect([ 1, 2, 3 ]).to.have.length.of.at.least(3);
   *
   * @name least
   * @alias gte
   * @param {Number} value
   * @param {String} message _optional_
   * @api public
   */

  function assertLeast (n, msg) {
    if (msg) flag(this, 'message', msg);
    var obj = flag(this, 'object');
    if (flag(this, 'doLength')) {
      new Assertion(obj, msg).to.have.property('length');
      var len = obj.length;
      this.assert(
          len >= n
        , 'expected #{this} to have a length at least #{exp} but got #{act}'
        , 'expected #{this} to have a length below #{exp}'
        , n
        , len
      );
    } else {
      this.assert(
          obj >= n
        , 'expected #{this} to be at least ' + n
        , 'expected #{this} to be below ' + n
      );
    }
  }

  Assertion.addMethod('least', assertLeast);
  Assertion.addMethod('gte', assertLeast);

  /**
   * ### .below(value)
   *
   * Asserts that the target is less than `value`.
   *
   *     expect(5).to.be.below(10);
   *
   * Can also be used in conjunction with `length` to
   * assert a maximum length. The benefit being a
   * more informative error message than if the length
   * was supplied directly.
   *
   *     expect('foo').to.have.length.below(4);
   *     expect([ 1, 2, 3 ]).to.have.length.below(4);
   *
   * @name below
   * @alias lt
   * @alias lessThan
   * @param {Number} value
   * @param {String} message _optional_
   * @api public
   */

  function assertBelow (n, msg) {
    if (msg) flag(this, 'message', msg);
    var obj = flag(this, 'object');
    if (flag(this, 'doLength')) {
      new Assertion(obj, msg).to.have.property('length');
      var len = obj.length;
      this.assert(
          len < n
        , 'expected #{this} to have a length below #{exp} but got #{act}'
        , 'expected #{this} to not have a length below #{exp}'
        , n
        , len
      );
    } else {
      this.assert(
          obj < n
        , 'expected #{this} to be below ' + n
        , 'expected #{this} to be at least ' + n
      );
    }
  }

  Assertion.addMethod('below', assertBelow);
  Assertion.addMethod('lt', assertBelow);
  Assertion.addMethod('lessThan', assertBelow);

  /**
   * ### .most(value)
   *
   * Asserts that the target is less than or equal to `value`.
   *
   *     expect(5).to.be.at.most(5);
   *
   * Can also be used in conjunction with `length` to
   * assert a maximum length. The benefit being a
   * more informative error message than if the length
   * was supplied directly.
   *
   *     expect('foo').to.have.length.of.at.most(4);
   *     expect([ 1, 2, 3 ]).to.have.length.of.at.most(3);
   *
   * @name most
   * @alias lte
   * @param {Number} value
   * @param {String} message _optional_
   * @api public
   */

  function assertMost (n, msg) {
    if (msg) flag(this, 'message', msg);
    var obj = flag(this, 'object');
    if (flag(this, 'doLength')) {
      new Assertion(obj, msg).to.have.property('length');
      var len = obj.length;
      this.assert(
          len <= n
        , 'expected #{this} to have a length at most #{exp} but got #{act}'
        , 'expected #{this} to have a length above #{exp}'
        , n
        , len
      );
    } else {
      this.assert(
          obj <= n
        , 'expected #{this} to be at most ' + n
        , 'expected #{this} to be above ' + n
      );
    }
  }

  Assertion.addMethod('most', assertMost);
  Assertion.addMethod('lte', assertMost);

  /**
   * ### .within(start, finish)
   *
   * Asserts that the target is within a range.
   *
   *     expect(7).to.be.within(5,10);
   *
   * Can also be used in conjunction with `length` to
   * assert a length range. The benefit being a
   * more informative error message than if the length
   * was supplied directly.
   *
   *     expect('foo').to.have.length.within(2,4);
   *     expect([ 1, 2, 3 ]).to.have.length.within(2,4);
   *
   * @name within
   * @param {Number} start lowerbound inclusive
   * @param {Number} finish upperbound inclusive
   * @param {String} message _optional_
   * @api public
   */

  Assertion.addMethod('within', function (start, finish, msg) {
    if (msg) flag(this, 'message', msg);
    var obj = flag(this, 'object')
      , range = start + '..' + finish;
    if (flag(this, 'doLength')) {
      new Assertion(obj, msg).to.have.property('length');
      var len = obj.length;
      this.assert(
          len >= start && len <= finish
        , 'expected #{this} to have a length within ' + range
        , 'expected #{this} to not have a length within ' + range
      );
    } else {
      this.assert(
          obj >= start && obj <= finish
        , 'expected #{this} to be within ' + range
        , 'expected #{this} to not be within ' + range
      );
    }
  });

  /**
   * ### .instanceof(constructor)
   *
   * Asserts that the target is an instance of `constructor`.
   *
   *     var Tea = function (name) { this.name = name; }
   *       , Chai = new Tea('chai');
   *
   *     expect(Chai).to.be.an.instanceof(Tea);
   *     expect([ 1, 2, 3 ]).to.be.instanceof(Array);
   *
   * @name instanceof
   * @param {Constructor} constructor
   * @param {String} message _optional_
   * @alias instanceOf
   * @api public
   */

  function assertInstanceOf (constructor, msg) {
    if (msg) flag(this, 'message', msg);
    var name = _.getName(constructor);
    this.assert(
        flag(this, 'object') instanceof constructor
      , 'expected #{this} to be an instance of ' + name
      , 'expected #{this} to not be an instance of ' + name
    );
  };

  Assertion.addMethod('instanceof', assertInstanceOf);
  Assertion.addMethod('instanceOf', assertInstanceOf);

  /**
   * ### .property(name, [value])
   *
   * Asserts that the target has a property `name`, optionally asserting that
   * the value of that property is strictly equal to  `value`.
   * If the `deep` flag is set, you can use dot- and bracket-notation for deep
   * references into objects and arrays.
   *
   *     // simple referencing
   *     var obj = { foo: 'bar' };
   *     expect(obj).to.have.property('foo');
   *     expect(obj).to.have.property('foo', 'bar');
   *
   *     // deep referencing
   *     var deepObj = {
   *         green: { tea: 'matcha' }
   *       , teas: [ 'chai', 'matcha', { tea: 'konacha' } ]
   *     };

   *     expect(deepObj).to.have.deep.property('green.tea', 'matcha');
   *     expect(deepObj).to.have.deep.property('teas[1]', 'matcha');
   *     expect(deepObj).to.have.deep.property('teas[2].tea', 'konacha');
   *
   * You can also use an array as the starting point of a `deep.property`
   * assertion, or traverse nested arrays.
   *
   *     var arr = [
   *         [ 'chai', 'matcha', 'konacha' ]
   *       , [ { tea: 'chai' }
   *         , { tea: 'matcha' }
   *         , { tea: 'konacha' } ]
   *     ];
   *
   *     expect(arr).to.have.deep.property('[0][1]', 'matcha');
   *     expect(arr).to.have.deep.property('[1][2].tea', 'konacha');
   *
   * Furthermore, `property` changes the subject of the assertion
   * to be the value of that property from the original object. This
   * permits for further chainable assertions on that property.
   *
   *     expect(obj).to.have.property('foo')
   *       .that.is.a('string');
   *     expect(deepObj).to.have.property('green')
   *       .that.is.an('object')
   *       .that.deep.equals({ tea: 'matcha' });
   *     expect(deepObj).to.have.property('teas')
   *       .that.is.an('array')
   *       .with.deep.property('[2]')
   *         .that.deep.equals({ tea: 'konacha' });
   *
   * @name property
   * @alias deep.property
   * @param {String} name
   * @param {Mixed} value (optional)
   * @param {String} message _optional_
   * @returns value of property for chaining
   * @api public
   */

  Assertion.addMethod('property', function (name, val, msg) {
    if (msg) flag(this, 'message', msg);

    var descriptor = flag(this, 'deep') ? 'deep property ' : 'property '
      , negate = flag(this, 'negate')
      , obj = flag(this, 'object')
      , value = flag(this, 'deep')
        ? _.getPathValue(name, obj)
        : obj[name];

    if (negate && undefined !== val) {
      if (undefined === value) {
        msg = (msg != null) ? msg + ': ' : '';
        throw new Error(msg + _.inspect(obj) + ' has no ' + descriptor + _.inspect(name));
      }
    } else {
      this.assert(
          undefined !== value
        , 'expected #{this} to have a ' + descriptor + _.inspect(name)
        , 'expected #{this} to not have ' + descriptor + _.inspect(name));
    }

    if (undefined !== val) {
      this.assert(
          val === value
        , 'expected #{this} to have a ' + descriptor + _.inspect(name) + ' of #{exp}, but got #{act}'
        , 'expected #{this} to not have a ' + descriptor + _.inspect(name) + ' of #{act}'
        , val
        , value
      );
    }

    flag(this, 'object', value);
  });


  /**
   * ### .ownProperty(name)
   *
   * Asserts that the target has an own property `name`.
   *
   *     expect('test').to.have.ownProperty('length');
   *
   * @name ownProperty
   * @alias haveOwnProperty
   * @param {String} name
   * @param {String} message _optional_
   * @api public
   */

  function assertOwnProperty (name, msg) {
    if (msg) flag(this, 'message', msg);
    var obj = flag(this, 'object');
    this.assert(
        obj.hasOwnProperty(name)
      , 'expected #{this} to have own property ' + _.inspect(name)
      , 'expected #{this} to not have own property ' + _.inspect(name)
    );
  }

  Assertion.addMethod('ownProperty', assertOwnProperty);
  Assertion.addMethod('haveOwnProperty', assertOwnProperty);

  /**
   * ### .length(value)
   *
   * Asserts that the target's `length` property has
   * the expected value.
   *
   *     expect([ 1, 2, 3]).to.have.length(3);
   *     expect('foobar').to.have.length(6);
   *
   * Can also be used as a chain precursor to a value
   * comparison for the length property.
   *
   *     expect('foo').to.have.length.above(2);
   *     expect([ 1, 2, 3 ]).to.have.length.above(2);
   *     expect('foo').to.have.length.below(4);
   *     expect([ 1, 2, 3 ]).to.have.length.below(4);
   *     expect('foo').to.have.length.within(2,4);
   *     expect([ 1, 2, 3 ]).to.have.length.within(2,4);
   *
   * @name length
   * @alias lengthOf
   * @param {Number} length
   * @param {String} message _optional_
   * @api public
   */

  function assertLengthChain () {
    flag(this, 'doLength', true);
  }

  function assertLength (n, msg) {
    if (msg) flag(this, 'message', msg);
    var obj = flag(this, 'object');
    new Assertion(obj, msg).to.have.property('length');
    var len = obj.length;

    this.assert(
        len == n
      , 'expected #{this} to have a length of #{exp} but got #{act}'
      , 'expected #{this} to not have a length of #{act}'
      , n
      , len
    );
  }

  Assertion.addChainableMethod('length', assertLength, assertLengthChain);
  Assertion.addMethod('lengthOf', assertLength, assertLengthChain);

  /**
   * ### .match(regexp)
   *
   * Asserts that the target matches a regular expression.
   *
   *     expect('foobar').to.match(/^foo/);
   *
   * @name match
   * @param {RegExp} RegularExpression
   * @param {String} message _optional_
   * @api public
   */

  Assertion.addMethod('match', function (re, msg) {
    if (msg) flag(this, 'message', msg);
    var obj = flag(this, 'object');
    this.assert(
        re.exec(obj)
      , 'expected #{this} to match ' + re
      , 'expected #{this} not to match ' + re
    );
  });

  /**
   * ### .string(string)
   *
   * Asserts that the string target contains another string.
   *
   *     expect('foobar').to.have.string('bar');
   *
   * @name string
   * @param {String} string
   * @param {String} message _optional_
   * @api public
   */

  Assertion.addMethod('string', function (str, msg) {
    if (msg) flag(this, 'message', msg);
    var obj = flag(this, 'object');
    new Assertion(obj, msg).is.a('string');

    this.assert(
        ~obj.indexOf(str)
      , 'expected #{this} to contain ' + _.inspect(str)
      , 'expected #{this} to not contain ' + _.inspect(str)
    );
  });


  /**
   * ### .keys(key1, [key2], [...])
   *
   * Asserts that the target has exactly the given keys, or
   * asserts the inclusion of some keys when using the
   * `include` or `contain` modifiers.
   *
   *     expect({ foo: 1, bar: 2 }).to.have.keys(['foo', 'bar']);
   *     expect({ foo: 1, bar: 2, baz: 3 }).to.contain.keys('foo', 'bar');
   *
   * @name keys
   * @alias key
   * @param {String...|Array} keys
   * @api public
   */

  function assertKeys (keys) {
    var obj = flag(this, 'object')
      , str
      , ok = true;

    keys = keys instanceof Array
      ? keys
      : Array.prototype.slice.call(arguments);

    if (!keys.length) throw new Error('keys required');

    var actual = Object.keys(obj)
      , len = keys.length;

    // Inclusion
    ok = keys.every(function(key){
      return ~actual.indexOf(key);
    });

    // Strict
    if (!flag(this, 'negate') && !flag(this, 'contains')) {
      ok = ok && keys.length == actual.length;
    }

    // Key string
    if (len > 1) {
      keys = keys.map(function(key){
        return _.inspect(key);
      });
      var last = keys.pop();
      str = keys.join(', ') + ', and ' + last;
    } else {
      str = _.inspect(keys[0]);
    }

    // Form
    str = (len > 1 ? 'keys ' : 'key ') + str;

    // Have / include
    str = (flag(this, 'contains') ? 'contain ' : 'have ') + str;

    // Assertion
    this.assert(
        ok
      , 'expected #{this} to ' + str
      , 'expected #{this} to not ' + str
    );
  }

  Assertion.addMethod('keys', assertKeys);
  Assertion.addMethod('key', assertKeys);

  /**
   * ### .throw(constructor)
   *
   * Asserts that the function target will throw a specific error, or specific type of error
   * (as determined using `instanceof`), optionally with a RegExp or string inclusion test
   * for the error's message.
   *
   *     var err = new ReferenceError('This is a bad function.');
   *     var fn = function () { throw err; }
   *     expect(fn).to.throw(ReferenceError);
   *     expect(fn).to.throw(Error);
   *     expect(fn).to.throw(/bad function/);
   *     expect(fn).to.not.throw('good function');
   *     expect(fn).to.throw(ReferenceError, /bad function/);
   *     expect(fn).to.throw(err);
   *     expect(fn).to.not.throw(new RangeError('Out of range.'));
   *
   * Please note that when a throw expectation is negated, it will check each
   * parameter independently, starting with error constructor type. The appropriate way
   * to check for the existence of a type of error but for a message that does not match
   * is to use `and`.
   *
   *     expect(fn).to.throw(ReferenceError)
   *        .and.not.throw(/good function/);
   *
   * @name throw
   * @alias throws
   * @alias Throw
   * @param {ErrorConstructor} constructor
   * @param {String|RegExp} expected error message
   * @param {String} message _optional_
   * @see https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Error#Error_types
   * @api public
   */

  function assertThrows (constructor, errMsg, msg) {
    if (msg) flag(this, 'message', msg);
    var obj = flag(this, 'object');
    new Assertion(obj, msg).is.a('function');

    var thrown = false
      , desiredError = null
      , name = null
      , thrownError = null;

    if (arguments.length === 0) {
      errMsg = null;
      constructor = null;
    } else if (constructor && (constructor instanceof RegExp || 'string' === typeof constructor)) {
      errMsg = constructor;
      constructor = null;
    } else if (constructor && constructor instanceof Error) {
      desiredError = constructor;
      constructor = null;
      errMsg = null;
    } else if (typeof constructor === 'function') {
      name = (new constructor()).name;
    } else {
      constructor = null;
    }

    try {
      obj();
    } catch (err) {
      // first, check desired error
      if (desiredError) {
        this.assert(
            err === desiredError
          , 'expected #{this} to throw #{exp} but #{act} was thrown'
          , 'expected #{this} to not throw #{exp}'
          , desiredError
          , err
        );

        return this;
      }
      // next, check constructor
      if (constructor) {
        this.assert(
            err instanceof constructor
          , 'expected #{this} to throw #{exp} but #{act} was thrown'
          , 'expected #{this} to not throw #{exp} but #{act} was thrown'
          , name
          , err
        );

        if (!errMsg) return this;
      }
      // next, check message
      var message = 'object' === _.type(err) && "message" in err
        ? err.message
        : '' + err;

      if ((message != null) && errMsg && errMsg instanceof RegExp) {
        this.assert(
            errMsg.exec(message)
          , 'expected #{this} to throw error matching #{exp} but got #{act}'
          , 'expected #{this} to throw error not matching #{exp}'
          , errMsg
          , message
        );

        return this;
      } else if ((message != null) && errMsg && 'string' === typeof errMsg) {
        this.assert(
            ~message.indexOf(errMsg)
          , 'expected #{this} to throw error including #{exp} but got #{act}'
          , 'expected #{this} to throw error not including #{act}'
          , errMsg
          , message
        );

        return this;
      } else {
        thrown = true;
        thrownError = err;
      }
    }

    var actuallyGot = ''
      , expectedThrown = name !== null
        ? name
        : desiredError
          ? '#{exp}' //_.inspect(desiredError)
          : 'an error';

    if (thrown) {
      actuallyGot = ' but #{act} was thrown'
    }

    this.assert(
        thrown === true
      , 'expected #{this} to throw ' + expectedThrown + actuallyGot
      , 'expected #{this} to not throw ' + expectedThrown + actuallyGot
      , desiredError
      , thrownError
    );
  };

  Assertion.addMethod('throw', assertThrows);
  Assertion.addMethod('throws', assertThrows);
  Assertion.addMethod('Throw', assertThrows);

  /**
   * ### .respondTo(method)
   *
   * Asserts that the object or class target will respond to a method.
   *
   *     Klass.prototype.bar = function(){};
   *     expect(Klass).to.respondTo('bar');
   *     expect(obj).to.respondTo('bar');
   *
   * To check if a constructor will respond to a static function,
   * set the `itself` flag.
   *
   *    Klass.baz = function(){};
   *    expect(Klass).itself.to.respondTo('baz');
   *
   * @name respondTo
   * @param {String} method
   * @param {String} message _optional_
   * @api public
   */

  Assertion.addMethod('respondTo', function (method, msg) {
    if (msg) flag(this, 'message', msg);
    var obj = flag(this, 'object')
      , itself = flag(this, 'itself')
      , context = ('function' === _.type(obj) && !itself)
        ? obj.prototype[method]
        : obj[method];

    this.assert(
        'function' === typeof context
      , 'expected #{this} to respond to ' + _.inspect(method)
      , 'expected #{this} to not respond to ' + _.inspect(method)
    );
  });

  /**
   * ### .itself
   *
   * Sets the `itself` flag, later used by the `respondTo` assertion.
   *
   *    function Foo() {}
   *    Foo.bar = function() {}
   *    Foo.prototype.baz = function() {}
   *
   *    expect(Foo).itself.to.respondTo('bar');
   *    expect(Foo).itself.not.to.respondTo('baz');
   *
   * @name itself
   * @api public
   */

  Assertion.addProperty('itself', function () {
    flag(this, 'itself', true);
  });

  /**
   * ### .satisfy(method)
   *
   * Asserts that the target passes a given truth test.
   *
   *     expect(1).to.satisfy(function(num) { return num > 0; });
   *
   * @name satisfy
   * @param {Function} matcher
   * @param {String} message _optional_
   * @api public
   */

  Assertion.addMethod('satisfy', function (matcher, msg) {
    if (msg) flag(this, 'message', msg);
    var obj = flag(this, 'object');
    this.assert(
        matcher(obj)
      , 'expected #{this} to satisfy ' + _.objDisplay(matcher)
      , 'expected #{this} to not satisfy' + _.objDisplay(matcher)
      , this.negate ? false : true
      , matcher(obj)
    );
  });

  /**
   * ### .closeTo(expected, delta)
   *
   * Asserts that the target is equal `expected`, to within a +/- `delta` range.
   *
   *     expect(1.5).to.be.closeTo(1, 0.5);
   *
   * @name closeTo
   * @param {Number} expected
   * @param {Number} delta
   * @param {String} message _optional_
   * @api public
   */

  Assertion.addMethod('closeTo', function (expected, delta, msg) {
    if (msg) flag(this, 'message', msg);
    var obj = flag(this, 'object');
    this.assert(
        Math.abs(obj - expected) <= delta
      , 'expected #{this} to be close to ' + expected + ' +/- ' + delta
      , 'expected #{this} not to be close to ' + expected + ' +/- ' + delta
    );
  });

};

}, 



'lib/chai/error': function(module, exports, global, require, undefined){
  /*!
 * chai
 * Copyright(c) 2011-2013 Jake Luer <jake@alogicalparadox.com>
 * MIT Licensed
 */

/*!
 * Main export
 */

module.exports = AssertionError;

/**
 * # AssertionError (constructor)
 *
 * Create a new assertion error based on the Javascript
 * `Error` prototype.
 *
 * **Options**
 * - message
 * - actual
 * - expected
 * - operator
 * - startStackFunction
 *
 * @param {Object} options
 * @api public
 */

function AssertionError (options) {
  options = options || {};
  this.message = options.message;
  this.actual = options.actual;
  this.expected = options.expected;
  this.operator = options.operator;
  this.showDiff = options.showDiff;

  if (options.stackStartFunction && Error.captureStackTrace) {
    var stackStartFunction = options.stackStartFunction;
    Error.captureStackTrace(this, stackStartFunction);
  }
}

/*!
 * Inherit from Error
 */

AssertionError.prototype = Object.create(Error.prototype);
AssertionError.prototype.name = 'AssertionError';
AssertionError.prototype.constructor = AssertionError;

/**
 * # toString()
 *
 * Override default to string method
 */

AssertionError.prototype.toString = function() {
  return this.message;
};

}, 



'lib/chai/interface/assert': function(module, exports, global, require, undefined){
  /*!
 * chai
 * Copyright(c) 2011-2013 Jake Luer <jake@alogicalparadox.com>
 * MIT Licensed
 */


module.exports = function (chai, util) {

  /*!
   * Chai dependencies.
   */

  var Assertion = chai.Assertion
    , flag = util.flag;

  /*!
   * Module export.
   */

  /**
   * ### assert(expression, message)
   *
   * Write your own test expressions.
   *
   *     assert('foo' !== 'bar', 'foo is not bar');
   *     assert(Array.isArray([]), 'empty arrays are arrays');
   *
   * @param {Mixed} expression to test for truthiness
   * @param {String} message to display on error
   * @name assert
   * @api public
   */

  var assert = chai.assert = function (express, errmsg) {
    var test = new Assertion(null);
    test.assert(
        express
      , errmsg
      , '[ negation message unavailable ]'
    );
  };

  /**
   * ### .fail(actual, expected, [message], [operator])
   *
   * Throw a failure. Node.js `assert` module-compatible.
   *
   * @name fail
   * @param {Mixed} actual
   * @param {Mixed} expected
   * @param {String} message
   * @param {String} operator
   * @api public
   */

  assert.fail = function (actual, expected, message, operator) {
    throw new chai.AssertionError({
        actual: actual
      , expected: expected
      , message: message
      , operator: operator
      , stackStartFunction: assert.fail
    });
  };

  /**
   * ### .ok(object, [message])
   *
   * Asserts that `object` is truthy.
   *
   *     assert.ok('everything', 'everything is ok');
   *     assert.ok(false, 'this will fail');
   *
   * @name ok
   * @param {Mixed} object to test
   * @param {String} message
   * @api public
   */

  assert.ok = function (val, msg) {
    new Assertion(val, msg).is.ok;
  };

  /**
   * ### .equal(actual, expected, [message])
   *
   * Asserts non-strict equality (`==`) of `actual` and `expected`.
   *
   *     assert.equal(3, '3', '== coerces values to strings');
   *
   * @name equal
   * @param {Mixed} actual
   * @param {Mixed} expected
   * @param {String} message
   * @api public
   */

  assert.equal = function (act, exp, msg) {
    var test = new Assertion(act, msg);

    test.assert(
        exp == flag(test, 'object')
      , 'expected #{this} to equal #{exp}'
      , 'expected #{this} to not equal #{act}'
      , exp
      , act
    );
  };

  /**
   * ### .notEqual(actual, expected, [message])
   *
   * Asserts non-strict inequality (`!=`) of `actual` and `expected`.
   *
   *     assert.notEqual(3, 4, 'these numbers are not equal');
   *
   * @name notEqual
   * @param {Mixed} actual
   * @param {Mixed} expected
   * @param {String} message
   * @api public
   */

  assert.notEqual = function (act, exp, msg) {
    var test = new Assertion(act, msg);

    test.assert(
        exp != flag(test, 'object')
      , 'expected #{this} to not equal #{exp}'
      , 'expected #{this} to equal #{act}'
      , exp
      , act
    );
  };

  /**
   * ### .strictEqual(actual, expected, [message])
   *
   * Asserts strict equality (`===`) of `actual` and `expected`.
   *
   *     assert.strictEqual(true, true, 'these booleans are strictly equal');
   *
   * @name strictEqual
   * @param {Mixed} actual
   * @param {Mixed} expected
   * @param {String} message
   * @api public
   */

  assert.strictEqual = function (act, exp, msg) {
    new Assertion(act, msg).to.equal(exp);
  };

  /**
   * ### .notStrictEqual(actual, expected, [message])
   *
   * Asserts strict inequality (`!==`) of `actual` and `expected`.
   *
   *     assert.notStrictEqual(3, '3', 'no coercion for strict equality');
   *
   * @name notStrictEqual
   * @param {Mixed} actual
   * @param {Mixed} expected
   * @param {String} message
   * @api public
   */

  assert.notStrictEqual = function (act, exp, msg) {
    new Assertion(act, msg).to.not.equal(exp);
  };

  /**
   * ### .deepEqual(actual, expected, [message])
   *
   * Asserts that `actual` is deeply equal to `expected`.
   *
   *     assert.deepEqual({ tea: 'green' }, { tea: 'green' });
   *
   * @name deepEqual
   * @param {Mixed} actual
   * @param {Mixed} expected
   * @param {String} message
   * @api public
   */

  assert.deepEqual = function (act, exp, msg) {
    new Assertion(act, msg).to.eql(exp);
  };

  /**
   * ### .notDeepEqual(actual, expected, [message])
   *
   * Assert that `actual` is not deeply equal to `expected`.
   *
   *     assert.notDeepEqual({ tea: 'green' }, { tea: 'jasmine' });
   *
   * @name notDeepEqual
   * @param {Mixed} actual
   * @param {Mixed} expected
   * @param {String} message
   * @api public
   */

  assert.notDeepEqual = function (act, exp, msg) {
    new Assertion(act, msg).to.not.eql(exp);
  };

  /**
   * ### .isTrue(value, [message])
   *
   * Asserts that `value` is true.
   *
   *     var teaServed = true;
   *     assert.isTrue(teaServed, 'the tea has been served');
   *
   * @name isTrue
   * @param {Mixed} value
   * @param {String} message
   * @api public
   */

  assert.isTrue = function (val, msg) {
    new Assertion(val, msg).is['true'];
  };

  /**
   * ### .isFalse(value, [message])
   *
   * Asserts that `value` is false.
   *
   *     var teaServed = false;
   *     assert.isFalse(teaServed, 'no tea yet? hmm...');
   *
   * @name isFalse
   * @param {Mixed} value
   * @param {String} message
   * @api public
   */

  assert.isFalse = function (val, msg) {
    new Assertion(val, msg).is['false'];
  };

  /**
   * ### .isNull(value, [message])
   *
   * Asserts that `value` is null.
   *
   *     assert.isNull(err, 'there was no error');
   *
   * @name isNull
   * @param {Mixed} value
   * @param {String} message
   * @api public
   */

  assert.isNull = function (val, msg) {
    new Assertion(val, msg).to.equal(null);
  };

  /**
   * ### .isNotNull(value, [message])
   *
   * Asserts that `value` is not null.
   *
   *     var tea = 'tasty chai';
   *     assert.isNotNull(tea, 'great, time for tea!');
   *
   * @name isNotNull
   * @param {Mixed} value
   * @param {String} message
   * @api public
   */

  assert.isNotNull = function (val, msg) {
    new Assertion(val, msg).to.not.equal(null);
  };

  /**
   * ### .isUndefined(value, [message])
   *
   * Asserts that `value` is `undefined`.
   *
   *     var tea;
   *     assert.isUndefined(tea, 'no tea defined');
   *
   * @name isUndefined
   * @param {Mixed} value
   * @param {String} message
   * @api public
   */

  assert.isUndefined = function (val, msg) {
    new Assertion(val, msg).to.equal(undefined);
  };

  /**
   * ### .isDefined(value, [message])
   *
   * Asserts that `value` is not `undefined`.
   *
   *     var tea = 'cup of chai';
   *     assert.isDefined(tea, 'tea has been defined');
   *
   * @name isUndefined
   * @param {Mixed} value
   * @param {String} message
   * @api public
   */

  assert.isDefined = function (val, msg) {
    new Assertion(val, msg).to.not.equal(undefined);
  };

  /**
   * ### .isFunction(value, [message])
   *
   * Asserts that `value` is a function.
   *
   *     function serveTea() { return 'cup of tea'; };
   *     assert.isFunction(serveTea, 'great, we can have tea now');
   *
   * @name isFunction
   * @param {Mixed} value
   * @param {String} message
   * @api public
   */

  assert.isFunction = function (val, msg) {
    new Assertion(val, msg).to.be.a('function');
  };

  /**
   * ### .isNotFunction(value, [message])
   *
   * Asserts that `value` is _not_ a function.
   *
   *     var serveTea = [ 'heat', 'pour', 'sip' ];
   *     assert.isNotFunction(serveTea, 'great, we have listed the steps');
   *
   * @name isNotFunction
   * @param {Mixed} value
   * @param {String} message
   * @api public
   */

  assert.isNotFunction = function (val, msg) {
    new Assertion(val, msg).to.not.be.a('function');
  };

  /**
   * ### .isObject(value, [message])
   *
   * Asserts that `value` is an object (as revealed by
   * `Object.prototype.toString`).
   *
   *     var selection = { name: 'Chai', serve: 'with spices' };
   *     assert.isObject(selection, 'tea selection is an object');
   *
   * @name isObject
   * @param {Mixed} value
   * @param {String} message
   * @api public
   */

  assert.isObject = function (val, msg) {
    new Assertion(val, msg).to.be.a('object');
  };

  /**
   * ### .isNotObject(value, [message])
   *
   * Asserts that `value` is _not_ an object.
   *
   *     var selection = 'chai'
   *     assert.isObject(selection, 'tea selection is not an object');
   *     assert.isObject(null, 'null is not an object');
   *
   * @name isNotObject
   * @param {Mixed} value
   * @param {String} message
   * @api public
   */

  assert.isNotObject = function (val, msg) {
    new Assertion(val, msg).to.not.be.a('object');
  };

  /**
   * ### .isArray(value, [message])
   *
   * Asserts that `value` is an array.
   *
   *     var menu = [ 'green', 'chai', 'oolong' ];
   *     assert.isArray(menu, 'what kind of tea do we want?');
   *
   * @name isArray
   * @param {Mixed} value
   * @param {String} message
   * @api public
   */

  assert.isArray = function (val, msg) {
    new Assertion(val, msg).to.be.an('array');
  };

  /**
   * ### .isNotArray(value, [message])
   *
   * Asserts that `value` is _not_ an array.
   *
   *     var menu = 'green|chai|oolong';
   *     assert.isNotArray(menu, 'what kind of tea do we want?');
   *
   * @name isNotArray
   * @param {Mixed} value
   * @param {String} message
   * @api public
   */

  assert.isNotArray = function (val, msg) {
    new Assertion(val, msg).to.not.be.an('array');
  };

  /**
   * ### .isString(value, [message])
   *
   * Asserts that `value` is a string.
   *
   *     var teaOrder = 'chai';
   *     assert.isString(teaOrder, 'order placed');
   *
   * @name isString
   * @param {Mixed} value
   * @param {String} message
   * @api public
   */

  assert.isString = function (val, msg) {
    new Assertion(val, msg).to.be.a('string');
  };

  /**
   * ### .isNotString(value, [message])
   *
   * Asserts that `value` is _not_ a string.
   *
   *     var teaOrder = 4;
   *     assert.isNotString(teaOrder, 'order placed');
   *
   * @name isNotString
   * @param {Mixed} value
   * @param {String} message
   * @api public
   */

  assert.isNotString = function (val, msg) {
    new Assertion(val, msg).to.not.be.a('string');
  };

  /**
   * ### .isNumber(value, [message])
   *
   * Asserts that `value` is a number.
   *
   *     var cups = 2;
   *     assert.isNumber(cups, 'how many cups');
   *
   * @name isNumber
   * @param {Number} value
   * @param {String} message
   * @api public
   */

  assert.isNumber = function (val, msg) {
    new Assertion(val, msg).to.be.a('number');
  };

  /**
   * ### .isNotNumber(value, [message])
   *
   * Asserts that `value` is _not_ a number.
   *
   *     var cups = '2 cups please';
   *     assert.isNotNumber(cups, 'how many cups');
   *
   * @name isNotNumber
   * @param {Mixed} value
   * @param {String} message
   * @api public
   */

  assert.isNotNumber = function (val, msg) {
    new Assertion(val, msg).to.not.be.a('number');
  };

  /**
   * ### .isBoolean(value, [message])
   *
   * Asserts that `value` is a boolean.
   *
   *     var teaReady = true
   *       , teaServed = false;
   *
   *     assert.isBoolean(teaReady, 'is the tea ready');
   *     assert.isBoolean(teaServed, 'has tea been served');
   *
   * @name isBoolean
   * @param {Mixed} value
   * @param {String} message
   * @api public
   */

  assert.isBoolean = function (val, msg) {
    new Assertion(val, msg).to.be.a('boolean');
  };

  /**
   * ### .isNotBoolean(value, [message])
   *
   * Asserts that `value` is _not_ a boolean.
   *
   *     var teaReady = 'yep'
   *       , teaServed = 'nope';
   *
   *     assert.isNotBoolean(teaReady, 'is the tea ready');
   *     assert.isNotBoolean(teaServed, 'has tea been served');
   *
   * @name isNotBoolean
   * @param {Mixed} value
   * @param {String} message
   * @api public
   */

  assert.isNotBoolean = function (val, msg) {
    new Assertion(val, msg).to.not.be.a('boolean');
  };

  /**
   * ### .typeOf(value, name, [message])
   *
   * Asserts that `value`'s type is `name`, as determined by
   * `Object.prototype.toString`.
   *
   *     assert.typeOf({ tea: 'chai' }, 'object', 'we have an object');
   *     assert.typeOf(['chai', 'jasmine'], 'array', 'we have an array');
   *     assert.typeOf('tea', 'string', 'we have a string');
   *     assert.typeOf(/tea/, 'regexp', 'we have a regular expression');
   *     assert.typeOf(null, 'null', 'we have a null');
   *     assert.typeOf(undefined, 'undefined', 'we have an undefined');
   *
   * @name typeOf
   * @param {Mixed} value
   * @param {String} name
   * @param {String} message
   * @api public
   */

  assert.typeOf = function (val, type, msg) {
    new Assertion(val, msg).to.be.a(type);
  };

  /**
   * ### .notTypeOf(value, name, [message])
   *
   * Asserts that `value`'s type is _not_ `name`, as determined by
   * `Object.prototype.toString`.
   *
   *     assert.notTypeOf('tea', 'number', 'strings are not numbers');
   *
   * @name notTypeOf
   * @param {Mixed} value
   * @param {String} typeof name
   * @param {String} message
   * @api public
   */

  assert.notTypeOf = function (val, type, msg) {
    new Assertion(val, msg).to.not.be.a(type);
  };

  /**
   * ### .instanceOf(object, constructor, [message])
   *
   * Asserts that `value` is an instance of `constructor`.
   *
   *     var Tea = function (name) { this.name = name; }
   *       , chai = new Tea('chai');
   *
   *     assert.instanceOf(chai, Tea, 'chai is an instance of tea');
   *
   * @name instanceOf
   * @param {Object} object
   * @param {Constructor} constructor
   * @param {String} message
   * @api public
   */

  assert.instanceOf = function (val, type, msg) {
    new Assertion(val, msg).to.be.instanceOf(type);
  };

  /**
   * ### .notInstanceOf(object, constructor, [message])
   *
   * Asserts `value` is not an instance of `constructor`.
   *
   *     var Tea = function (name) { this.name = name; }
   *       , chai = new String('chai');
   *
   *     assert.notInstanceOf(chai, Tea, 'chai is not an instance of tea');
   *
   * @name notInstanceOf
   * @param {Object} object
   * @param {Constructor} constructor
   * @param {String} message
   * @api public
   */

  assert.notInstanceOf = function (val, type, msg) {
    new Assertion(val, msg).to.not.be.instanceOf(type);
  };

  /**
   * ### .include(haystack, needle, [message])
   *
   * Asserts that `haystack` includes `needle`. Works
   * for strings and arrays.
   *
   *     assert.include('foobar', 'bar', 'foobar contains string "bar"');
   *     assert.include([ 1, 2, 3 ], 3, 'array contains value');
   *
   * @name include
   * @param {Array|String} haystack
   * @param {Mixed} needle
   * @param {String} message
   * @api public
   */

  assert.include = function (exp, inc, msg) {
    var obj = new Assertion(exp, msg);

    if (Array.isArray(exp)) {
      obj.to.include(inc);
    } else if ('string' === typeof exp) {
      obj.to.contain.string(inc);
    }
  };

  /**
   * ### .match(value, regexp, [message])
   *
   * Asserts that `value` matches the regular expression `regexp`.
   *
   *     assert.match('foobar', /^foo/, 'regexp matches');
   *
   * @name match
   * @param {Mixed} value
   * @param {RegExp} regexp
   * @param {String} message
   * @api public
   */

  assert.match = function (exp, re, msg) {
    new Assertion(exp, msg).to.match(re);
  };

  /**
   * ### .notMatch(value, regexp, [message])
   *
   * Asserts that `value` does not match the regular expression `regexp`.
   *
   *     assert.notMatch('foobar', /^foo/, 'regexp does not match');
   *
   * @name notMatch
   * @param {Mixed} value
   * @param {RegExp} regexp
   * @param {String} message
   * @api public
   */

  assert.notMatch = function (exp, re, msg) {
    new Assertion(exp, msg).to.not.match(re);
  };

  /**
   * ### .property(object, property, [message])
   *
   * Asserts that `object` has a property named by `property`.
   *
   *     assert.property({ tea: { green: 'matcha' }}, 'tea');
   *
   * @name property
   * @param {Object} object
   * @param {String} property
   * @param {String} message
   * @api public
   */

  assert.property = function (obj, prop, msg) {
    new Assertion(obj, msg).to.have.property(prop);
  };

  /**
   * ### .notProperty(object, property, [message])
   *
   * Asserts that `object` does _not_ have a property named by `property`.
   *
   *     assert.notProperty({ tea: { green: 'matcha' }}, 'coffee');
   *
   * @name notProperty
   * @param {Object} object
   * @param {String} property
   * @param {String} message
   * @api public
   */

  assert.notProperty = function (obj, prop, msg) {
    new Assertion(obj, msg).to.not.have.property(prop);
  };

  /**
   * ### .deepProperty(object, property, [message])
   *
   * Asserts that `object` has a property named by `property`, which can be a
   * string using dot- and bracket-notation for deep reference.
   *
   *     assert.deepProperty({ tea: { green: 'matcha' }}, 'tea.green');
   *
   * @name deepProperty
   * @param {Object} object
   * @param {String} property
   * @param {String} message
   * @api public
   */

  assert.deepProperty = function (obj, prop, msg) {
    new Assertion(obj, msg).to.have.deep.property(prop);
  };

  /**
   * ### .notDeepProperty(object, property, [message])
   *
   * Asserts that `object` does _not_ have a property named by `property`, which
   * can be a string using dot- and bracket-notation for deep reference.
   *
   *     assert.notDeepProperty({ tea: { green: 'matcha' }}, 'tea.oolong');
   *
   * @name notDeepProperty
   * @param {Object} object
   * @param {String} property
   * @param {String} message
   * @api public
   */

  assert.notDeepProperty = function (obj, prop, msg) {
    new Assertion(obj, msg).to.not.have.deep.property(prop);
  };

  /**
   * ### .propertyVal(object, property, value, [message])
   *
   * Asserts that `object` has a property named by `property` with value given
   * by `value`.
   *
   *     assert.propertyVal({ tea: 'is good' }, 'tea', 'is good');
   *
   * @name propertyVal
   * @param {Object} object
   * @param {String} property
   * @param {Mixed} value
   * @param {String} message
   * @api public
   */

  assert.propertyVal = function (obj, prop, val, msg) {
    new Assertion(obj, msg).to.have.property(prop, val);
  };

  /**
   * ### .propertyNotVal(object, property, value, [message])
   *
   * Asserts that `object` has a property named by `property`, but with a value
   * different from that given by `value`.
   *
   *     assert.propertyNotVal({ tea: 'is good' }, 'tea', 'is bad');
   *
   * @name propertyNotVal
   * @param {Object} object
   * @param {String} property
   * @param {Mixed} value
   * @param {String} message
   * @api public
   */

  assert.propertyNotVal = function (obj, prop, val, msg) {
    new Assertion(obj, msg).to.not.have.property(prop, val);
  };

  /**
   * ### .deepPropertyVal(object, property, value, [message])
   *
   * Asserts that `object` has a property named by `property` with value given
   * by `value`. `property` can use dot- and bracket-notation for deep
   * reference.
   *
   *     assert.deepPropertyVal({ tea: { green: 'matcha' }}, 'tea.green', 'matcha');
   *
   * @name deepPropertyVal
   * @param {Object} object
   * @param {String} property
   * @param {Mixed} value
   * @param {String} message
   * @api public
   */

  assert.deepPropertyVal = function (obj, prop, val, msg) {
    new Assertion(obj, msg).to.have.deep.property(prop, val);
  };

  /**
   * ### .deepPropertyNotVal(object, property, value, [message])
   *
   * Asserts that `object` has a property named by `property`, but with a value
   * different from that given by `value`. `property` can use dot- and
   * bracket-notation for deep reference.
   *
   *     assert.deepPropertyNotVal({ tea: { green: 'matcha' }}, 'tea.green', 'konacha');
   *
   * @name deepPropertyNotVal
   * @param {Object} object
   * @param {String} property
   * @param {Mixed} value
   * @param {String} message
   * @api public
   */

  assert.deepPropertyNotVal = function (obj, prop, val, msg) {
    new Assertion(obj, msg).to.not.have.deep.property(prop, val);
  };

  /**
   * ### .lengthOf(object, length, [message])
   *
   * Asserts that `object` has a `length` property with the expected value.
   *
   *     assert.lengthOf([1,2,3], 3, 'array has length of 3');
   *     assert.lengthOf('foobar', 5, 'string has length of 6');
   *
   * @name lengthOf
   * @param {Mixed} object
   * @param {Number} length
   * @param {String} message
   * @api public
   */

  assert.lengthOf = function (exp, len, msg) {
    new Assertion(exp, msg).to.have.length(len);
  };

  /**
   * ### .throws(function, [constructor/string/regexp], [string/regexp], [message])
   *
   * Asserts that `function` will throw an error that is an instance of
   * `constructor`, or alternately that it will throw an error with message
   * matching `regexp`.
   *
   *     assert.throw(fn, 'function throws a reference error');
   *     assert.throw(fn, /function throws a reference error/);
   *     assert.throw(fn, ReferenceError);
   *     assert.throw(fn, ReferenceError, 'function throws a reference error');
   *     assert.throw(fn, ReferenceError, /function throws a reference error/);
   *
   * @name throws
   * @alias throw
   * @alias Throw
   * @param {Function} function
   * @param {ErrorConstructor} constructor
   * @param {RegExp} regexp
   * @param {String} message
   * @see https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Error#Error_types
   * @api public
   */

  assert.Throw = function (fn, errt, errs, msg) {
    if ('string' === typeof errt || errt instanceof RegExp) {
      errs = errt;
      errt = null;
    }

    new Assertion(fn, msg).to.Throw(errt, errs);
  };

  /**
   * ### .doesNotThrow(function, [constructor/regexp], [message])
   *
   * Asserts that `function` will _not_ throw an error that is an instance of
   * `constructor`, or alternately that it will not throw an error with message
   * matching `regexp`.
   *
   *     assert.doesNotThrow(fn, Error, 'function does not throw');
   *
   * @name doesNotThrow
   * @param {Function} function
   * @param {ErrorConstructor} constructor
   * @param {RegExp} regexp
   * @param {String} message
   * @see https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Error#Error_types
   * @api public
   */

  assert.doesNotThrow = function (fn, type, msg) {
    if ('string' === typeof type) {
      msg = type;
      type = null;
    }

    new Assertion(fn, msg).to.not.Throw(type);
  };

  /**
   * ### .operator(val1, operator, val2, [message])
   *
   * Compares two values using `operator`.
   *
   *     assert.operator(1, '<', 2, 'everything is ok');
   *     assert.operator(1, '>', 2, 'this will fail');
   *
   * @name operator
   * @param {Mixed} val1
   * @param {String} operator
   * @param {Mixed} val2
   * @param {String} message
   * @api public
   */

  assert.operator = function (val, operator, val2, msg) {
    if (!~['==', '===', '>', '>=', '<', '<=', '!=', '!=='].indexOf(operator)) {
      throw new Error('Invalid operator "' + operator + '"');
    }
    var test = new Assertion(eval(val + operator + val2), msg);
    test.assert(
        true === flag(test, 'object')
      , 'expected ' + util.inspect(val) + ' to be ' + operator + ' ' + util.inspect(val2)
      , 'expected ' + util.inspect(val) + ' to not be ' + operator + ' ' + util.inspect(val2) );
  };

  /**
   * ### .closeTo(actual, expected, delta, [message])
   *
   * Asserts that the target is equal `expected`, to within a +/- `delta` range.
   *
   *     assert.closeTo(1.5, 1, 0.5, 'numbers are close');
   *
   * @name closeTo
   * @param {Number} actual
   * @param {Number} expected
   * @param {Number} delta
   * @param {String} message
   * @api public
   */

  assert.closeTo = function (act, exp, delta, msg) {
    new Assertion(act, msg).to.be.closeTo(exp, delta);
  };

  /*!
   * Undocumented / untested
   */

  assert.ifError = function (val, msg) {
    new Assertion(val, msg).to.not.be.ok;
  };

  /*!
   * Aliases.
   */

  (function alias(name, as){
    assert[as] = assert[name];
    return alias;
  })
  ('Throw', 'throw')
  ('Throw', 'throws');
};

}, 



'lib/chai/interface/expect': function(module, exports, global, require, undefined){
  /*!
 * chai
 * Copyright(c) 2011-2013 Jake Luer <jake@alogicalparadox.com>
 * MIT Licensed
 */

module.exports = function (chai, util) {
  chai.expect = function (val, message) {
    return new chai.Assertion(val, message);
  };
};


}, 



'lib/chai/interface/should': function(module, exports, global, require, undefined){
  /*!
 * chai
 * Copyright(c) 2011-2013 Jake Luer <jake@alogicalparadox.com>
 * MIT Licensed
 */

module.exports = function (chai, util) {
  var Assertion = chai.Assertion;

  function loadShould () {
    // modify Object.prototype to have `should`
    Object.defineProperty(Object.prototype, 'should',
      {
        set: function (value) {
          // See https://github.com/chaijs/chai/issues/86: this makes
          // `whatever.should = someValue` actually set `someValue`, which is
          // especially useful for `global.should = require('chai').should()`.
          //
          // Note that we have to use [[DefineProperty]] instead of [[Put]]
          // since otherwise we would trigger this very setter!
          Object.defineProperty(this, 'should', {
            value: value,
            enumerable: true,
            configurable: true,
            writable: true
          });
        }
      , get: function(){
          if (this instanceof String || this instanceof Number) {
            return new Assertion(this.constructor(this));
          } else if (this instanceof Boolean) {
            return new Assertion(this == true);
          }
          return new Assertion(this);
        }
      , configurable: true
    });

    var should = {};

    should.equal = function (val1, val2, msg) {
      new Assertion(val1, msg).to.equal(val2);
    };

    should.Throw = function (fn, errt, errs, msg) {
      new Assertion(fn, msg).to.Throw(errt, errs);
    };

    should.exist = function (val, msg) {
      new Assertion(val, msg).to.exist;
    }

    // negation
    should.not = {}

    should.not.equal = function (val1, val2, msg) {
      new Assertion(val1, msg).to.not.equal(val2);
    };

    should.not.Throw = function (fn, errt, errs, msg) {
      new Assertion(fn, msg).to.not.Throw(errt, errs);
    };

    should.not.exist = function (val, msg) {
      new Assertion(val, msg).to.not.exist;
    }

    should['throw'] = should['Throw'];
    should.not['throw'] = should.not['Throw'];

    return should;
  };

  chai.should = loadShould;
  chai.Should = loadShould;
};

}, 



'lib/chai/utils/addChainableMethod': function(module, exports, global, require, undefined){
  /*!
 * Chai - addChainingMethod utility
 * Copyright(c) 2012-2013 Jake Luer <jake@alogicalparadox.com>
 * MIT Licensed
 */

/*!
 * Module dependencies
 */

var transferFlags = require('./transferFlags');

/*!
 * Module variables
 */

// Check whether `__proto__` is supported
var hasProtoSupport = '__proto__' in Object;

// Without `__proto__` support, this module will need to add properties to a function.
// However, some Function.prototype methods cannot be overwritten,
// and there seems no easy cross-platform way to detect them (@see chaijs/chai/issues/69).
var excludeNames = /^(?:length|name|arguments|caller)$/;

/**
 * ### addChainableMethod (ctx, name, method, chainingBehavior)
 *
 * Adds a method to an object, such that the method can also be chained.
 *
 *     utils.addChainableMethod(chai.Assertion.prototype, 'foo', function (str) {
 *       var obj = utils.flag(this, 'object');
 *       new chai.Assertion(obj).to.be.equal(str);
 *     });
 *
 * Can also be accessed directly from `chai.Assertion`.
 *
 *     chai.Assertion.addChainableMethod('foo', fn, chainingBehavior);
 *
 * The result can then be used as both a method assertion, executing both `method` and
 * `chainingBehavior`, or as a language chain, which only executes `chainingBehavior`.
 *
 *     expect(fooStr).to.be.foo('bar');
 *     expect(fooStr).to.be.foo.equal('foo');
 *
 * @param {Object} ctx object to which the method is added
 * @param {String} name of method to add
 * @param {Function} method function to be used for `name`, when called
 * @param {Function} chainingBehavior function to be called every time the property is accessed
 * @name addChainableMethod
 * @api public
 */

module.exports = function (ctx, name, method, chainingBehavior) {
  if (typeof chainingBehavior !== 'function')
    chainingBehavior = function () { };

  Object.defineProperty(ctx, name,
    { get: function () {
        chainingBehavior.call(this);

        var assert = function () {
          var result = method.apply(this, arguments);
          return result === undefined ? this : result;
        };

        // Use `__proto__` if available
        if (hasProtoSupport) {
          assert.__proto__ = this;
        }
        // Otherwise, redefine all properties (slow!)
        else {
          var asserterNames = Object.getOwnPropertyNames(ctx);
          asserterNames.forEach(function (asserterName) {
            if (!excludeNames.test(asserterName)) {
              var pd = Object.getOwnPropertyDescriptor(ctx, asserterName);
              Object.defineProperty(assert, asserterName, pd);
            }
          });
        }

        transferFlags(this, assert);
        return assert;
      }
    , configurable: true
  });
};

}, 



'lib/chai/utils/addMethod': function(module, exports, global, require, undefined){
  /*!
 * Chai - addMethod utility
 * Copyright(c) 2012-2013 Jake Luer <jake@alogicalparadox.com>
 * MIT Licensed
 */

/**
 * ### .addMethod (ctx, name, method)
 *
 * Adds a method to the prototype of an object.
 *
 *     utils.addMethod(chai.Assertion.prototype, 'foo', function (str) {
 *       var obj = utils.flag(this, 'object');
 *       new chai.Assertion(obj).to.be.equal(str);
 *     });
 *
 * Can also be accessed directly from `chai.Assertion`.
 *
 *     chai.Assertion.addMethod('foo', fn);
 *
 * Then can be used as any other assertion.
 *
 *     expect(fooStr).to.be.foo('bar');
 *
 * @param {Object} ctx object to which the method is added
 * @param {String} name of method to add
 * @param {Function} method function to be used for name
 * @name addMethod
 * @api public
 */

module.exports = function (ctx, name, method) {
  ctx[name] = function () {
    var result = method.apply(this, arguments);
    return result === undefined ? this : result;
  };
};

}, 



'lib/chai/utils/addProperty': function(module, exports, global, require, undefined){
  /*!
 * Chai - addProperty utility
 * Copyright(c) 2012-2013 Jake Luer <jake@alogicalparadox.com>
 * MIT Licensed
 */

/**
 * ### addProperty (ctx, name, getter)
 *
 * Adds a property to the prototype of an object.
 *
 *     utils.addProperty(chai.Assertion.prototype, 'foo', function () {
 *       var obj = utils.flag(this, 'object');
 *       new chai.Assertion(obj).to.be.instanceof(Foo);
 *     });
 *
 * Can also be accessed directly from `chai.Assertion`.
 *
 *     chai.Assertion.addProperty('foo', fn);
 *
 * Then can be used as any other assertion.
 *
 *     expect(myFoo).to.be.foo;
 *
 * @param {Object} ctx object to which the property is added
 * @param {String} name of property to add
 * @param {Function} getter function to be used for name
 * @name addProperty
 * @api public
 */

module.exports = function (ctx, name, getter) {
  Object.defineProperty(ctx, name,
    { get: function () {
        var result = getter.call(this);
        return result === undefined ? this : result;
      }
    , configurable: true
  });
};

}, 



'lib/chai/utils/eql': function(module, exports, global, require, undefined){
  // This is (almost) directly from Node.js assert
// https://github.com/joyent/node/blob/f8c335d0caf47f16d31413f89aa28eda3878e3aa/lib/assert.js

module.exports = _deepEqual;

var getEnumerableProperties = require('./getEnumerableProperties');

// for the browser
var Buffer;
try {
  Buffer = require('buffer').Buffer;
} catch (ex) {
  Buffer = {
    isBuffer: function () { return false; }
  };
}

function _deepEqual(actual, expected, memos) {

  // 7.1. All identical values are equivalent, as determined by ===.
  if (actual === expected) {
    return true;

  } else if (Buffer.isBuffer(actual) && Buffer.isBuffer(expected)) {
    if (actual.length != expected.length) return false;

    for (var i = 0; i < actual.length; i++) {
      if (actual[i] !== expected[i]) return false;
    }

    return true;

  // 7.2. If the expected value is a Date object, the actual value is
  // equivalent if it is also a Date object that refers to the same time.
  } else if (actual instanceof Date && expected instanceof Date) {
    return actual.getTime() === expected.getTime();

  // 7.3. Other pairs that do not both pass typeof value == 'object',
  // equivalence is determined by ==.
  } else if (typeof actual != 'object' && typeof expected != 'object') {
    return actual === expected;

  // 7.4. For all other Object pairs, including Array objects, equivalence is
  // determined by having the same number of owned properties (as verified
  // with Object.prototype.hasOwnProperty.call), the same set of keys
  // (although not necessarily the same order), equivalent values for every
  // corresponding key, and an identical 'prototype' property. Note: this
  // accounts for both named and indexed properties on Arrays.
  } else {
    return objEquiv(actual, expected, memos);
  }
}

function isUndefinedOrNull(value) {
  return value === null || value === undefined;
}

function isArguments(object) {
  return Object.prototype.toString.call(object) == '[object Arguments]';
}

function objEquiv(a, b, memos) {
  if (isUndefinedOrNull(a) || isUndefinedOrNull(b))
    return false;

  // an identical 'prototype' property.
  if (a.prototype !== b.prototype) return false;

  // check if we have already compared a and b
  var i;
  if (memos) {
    for(i = 0; i < memos.length; i++) {
      if ((memos[i][0] === a && memos[i][1] === b) ||
          (memos[i][0] === b && memos[i][1] === a))
        return true;
    }
  } else {
    memos = [];
  }

  //~~~I've managed to break Object.keys through screwy arguments passing.
  //   Converting to array solves the problem.
  if (isArguments(a)) {
    if (!isArguments(b)) {
      return false;
    }
    a = pSlice.call(a);
    b = pSlice.call(b);
    return _deepEqual(a, b, memos);
  }
  try {
    var ka = getEnumerableProperties(a),
        kb = getEnumerableProperties(b),
        key;
  } catch (e) {//happens when one is a string literal and the other isn't
    return false;
  }

  // having the same number of owned properties (keys incorporates
  // hasOwnProperty)
  if (ka.length != kb.length)
    return false;

  //the same set of keys (although not necessarily the same order),
  ka.sort();
  kb.sort();
  //~~~cheap key test
  for (i = ka.length - 1; i >= 0; i--) {
    if (ka[i] != kb[i])
      return false;
  }

  // remember objects we have compared to guard against circular references
  memos.push([ a, b ]);

  //equivalent values for every corresponding key, and
  //~~~possibly expensive deep test
  for (i = ka.length - 1; i >= 0; i--) {
    key = ka[i];
    if (!_deepEqual(a[key], b[key], memos)) return false;
  }

  return true;
}

}, 



'lib/chai/utils/flag': function(module, exports, global, require, undefined){
  /*!
 * Chai - flag utility
 * Copyright(c) 2012-2013 Jake Luer <jake@alogicalparadox.com>
 * MIT Licensed
 */

/**
 * ### flag(object ,key, [value])
 *
 * Get or set a flag value on an object. If a
 * value is provided it will be set, else it will
 * return the currently set value or `undefined` if
 * the value is not set.
 *
 *     utils.flag(this, 'foo', 'bar'); // setter
 *     utils.flag(this, 'foo'); // getter, returns `bar`
 *
 * @param {Object} object (constructed Assertion
 * @param {String} key
 * @param {Mixed} value (optional)
 * @name flag
 * @api private
 */

module.exports = function (obj, key, value) {
  var flags = obj.__flags || (obj.__flags = Object.create(null));
  if (arguments.length === 3) {
    flags[key] = value;
  } else {
    return flags[key];
  }
};

}, 



'lib/chai/utils/getActual': function(module, exports, global, require, undefined){
  /*!
 * Chai - getActual utility
 * Copyright(c) 2012-2013 Jake Luer <jake@alogicalparadox.com>
 * MIT Licensed
 */

/**
 * # getActual(object, [actual])
 *
 * Returns the `actual` value for an Assertion
 *
 * @param {Object} object (constructed Assertion)
 * @param {Arguments} chai.Assertion.prototype.assert arguments
 */

module.exports = function (obj, args) {
  var actual = args[4];
  return 'undefined' !== typeof actual ? actual : obj._obj;
};

}, 



'lib/chai/utils/getEnumerableProperties': function(module, exports, global, require, undefined){
  /*!
 * Chai - getEnumerableProperties utility
 * Copyright(c) 2012-2013 Jake Luer <jake@alogicalparadox.com>
 * MIT Licensed
 */

/**
 * ### .getEnumerableProperties(object)
 *
 * This allows the retrieval of enumerable property names of an object,
 * inherited or not.
 *
 * @param {Object} object
 * @returns {Array}
 * @name getEnumerableProperties
 * @api public
 */

module.exports = function getEnumerableProperties(object) {
  var result = [];
  for (var name in object) {
    result.push(name);
  }
  return result;
};

}, 



'lib/chai/utils/getMessage': function(module, exports, global, require, undefined){
  /*!
 * Chai - message composition utility
 * Copyright(c) 2012-2013 Jake Luer <jake@alogicalparadox.com>
 * MIT Licensed
 */

/*!
 * Module dependancies
 */

var flag = require('./flag')
  , getActual = require('./getActual')
  , inspect = require('./inspect')
  , objDisplay = require('./objDisplay');

/**
 * ### .getMessage(object, message, negateMessage)
 *
 * Construct the error message based on flags
 * and template tags. Template tags will return
 * a stringified inspection of the object referenced.
 *
 * Messsage template tags:
 * - `#{this}` current asserted object
 * - `#{act}` actual value
 * - `#{exp}` expected value
 *
 * @param {Object} object (constructed Assertion)
 * @param {Arguments} chai.Assertion.prototype.assert arguments
 * @name getMessage
 * @api public
 */

module.exports = function (obj, args) {
  var negate = flag(obj, 'negate')
    , val = flag(obj, 'object')
    , expected = args[3]
    , actual = getActual(obj, args)
    , msg = negate ? args[2] : args[1]
    , flagMsg = flag(obj, 'message');

  msg = msg || '';
  msg = msg
    .replace(/#{this}/g, objDisplay(val))
    .replace(/#{act}/g, objDisplay(actual))
    .replace(/#{exp}/g, objDisplay(expected));

  return flagMsg ? flagMsg + ': ' + msg : msg;
};

}, 



'lib/chai/utils/getName': function(module, exports, global, require, undefined){
  /*!
 * Chai - getName utility
 * Copyright(c) 2012-2013 Jake Luer <jake@alogicalparadox.com>
 * MIT Licensed
 */

/**
 * # getName(func)
 *
 * Gets the name of a function, in a cross-browser way.
 *
 * @param {Function} a function (usually a constructor)
 */

module.exports = function (func) {
  if (func.name) return func.name;

  var match = /^\s?function ([^(]*)\(/.exec(func);
  return match && match[1] ? match[1] : "";
};

}, 



'lib/chai/utils/getPathValue': function(module, exports, global, require, undefined){
  /*!
 * Chai - getPathValue utility
 * Copyright(c) 2012-2013 Jake Luer <jake@alogicalparadox.com>
 * @see https://github.com/logicalparadox/filtr
 * MIT Licensed
 */

/**
 * ### .getPathValue(path, object)
 *
 * This allows the retrieval of values in an
 * object given a string path.
 *
 *     var obj = {
 *         prop1: {
 *             arr: ['a', 'b', 'c']
 *           , str: 'Hello'
 *         }
 *       , prop2: {
 *             arr: [ { nested: 'Universe' } ]
 *           , str: 'Hello again!'
 *         }
 *     }
 *
 * The following would be the results.
 *
 *     getPathValue('prop1.str', obj); // Hello
 *     getPathValue('prop1.att[2]', obj); // b
 *     getPathValue('prop2.arr[0].nested', obj); // Universe
 *
 * @param {String} path
 * @param {Object} object
 * @returns {Object} value or `undefined`
 * @name getPathValue
 * @api public
 */

var getPathValue = module.exports = function (path, obj) {
  var parsed = parsePath(path);
  return _getPathValue(parsed, obj);
};

/*!
 * ## parsePath(path)
 *
 * Helper function used to parse string object
 * paths. Use in conjunction with `_getPathValue`.
 *
 *      var parsed = parsePath('myobject.property.subprop');
 *
 * ### Paths:
 *
 * * Can be as near infinitely deep and nested
 * * Arrays are also valid using the formal `myobject.document[3].property`.
 *
 * @param {String} path
 * @returns {Object} parsed
 * @api private
 */

function parsePath (path) {
  var str = path.replace(/\[/g, '.[')
    , parts = str.match(/(\\\.|[^.]+?)+/g);
  return parts.map(function (value) {
    var re = /\[(\d+)\]$/
      , mArr = re.exec(value)
    if (mArr) return { i: parseFloat(mArr[1]) };
    else return { p: value };
  });
};

/*!
 * ## _getPathValue(parsed, obj)
 *
 * Helper companion function for `.parsePath` that returns
 * the value located at the parsed address.
 *
 *      var value = getPathValue(parsed, obj);
 *
 * @param {Object} parsed definition from `parsePath`.
 * @param {Object} object to search against
 * @returns {Object|Undefined} value
 * @api private
 */

function _getPathValue (parsed, obj) {
  var tmp = obj
    , res;
  for (var i = 0, l = parsed.length; i < l; i++) {
    var part = parsed[i];
    if (tmp) {
      if ('undefined' !== typeof part.p)
        tmp = tmp[part.p];
      else if ('undefined' !== typeof part.i)
        tmp = tmp[part.i];
      if (i == (l - 1)) res = tmp;
    } else {
      res = undefined;
    }
  }
  return res;
};

}, 



'lib/chai/utils/getProperties': function(module, exports, global, require, undefined){
  /*!
 * Chai - getProperties utility
 * Copyright(c) 2012-2013 Jake Luer <jake@alogicalparadox.com>
 * MIT Licensed
 */

/**
 * ### .getProperties(object)
 *
 * This allows the retrieval of property names of an object, enumerable or not,
 * inherited or not.
 *
 * @param {Object} object
 * @returns {Array}
 * @name getProperties
 * @api public
 */

module.exports = function getProperties(object) {
  var result = Object.getOwnPropertyNames(subject);

  function addProperty(property) {
    if (result.indexOf(property) === -1) {
      result.push(property);
    }
  }

  var proto = Object.getPrototypeOf(subject);
  while (proto !== null) {
    Object.getOwnPropertyNames(proto).forEach(addProperty);
    proto = Object.getPrototypeOf(proto);
  }

  return result;
};

}, 



'lib/chai/utils/index': function(module, exports, global, require, undefined){
  /*!
 * chai
 * Copyright(c) 2011 Jake Luer <jake@alogicalparadox.com>
 * MIT Licensed
 */

/*!
 * Main exports
 */

var exports = module.exports = {};

/*!
 * test utility
 */

exports.test = require('./test');

/*!
 * type utility
 */

exports.type = require('./type');

/*!
 * message utility
 */

exports.getMessage = require('./getMessage');

/*!
 * actual utility
 */

exports.getActual = require('./getActual');

/*!
 * Inspect util
 */

exports.inspect = require('./inspect');

/*!
 * Object Display util
 */

exports.objDisplay = require('./objDisplay');

/*!
 * Flag utility
 */

exports.flag = require('./flag');

/*!
 * Flag transferring utility
 */

exports.transferFlags = require('./transferFlags');

/*!
 * Deep equal utility
 */

exports.eql = require('./eql');

/*!
 * Deep path value
 */

exports.getPathValue = require('./getPathValue');

/*!
 * Function name
 */

exports.getName = require('./getName');

/*!
 * add Property
 */

exports.addProperty = require('./addProperty');

/*!
 * add Method
 */

exports.addMethod = require('./addMethod');

/*!
 * overwrite Property
 */

exports.overwriteProperty = require('./overwriteProperty');

/*!
 * overwrite Method
 */

exports.overwriteMethod = require('./overwriteMethod');

/*!
 * Add a chainable method
 */

exports.addChainableMethod = require('./addChainableMethod');


}, 



'lib/chai/utils/inspect': function(module, exports, global, require, undefined){
  // This is (almost) directly from Node.js utils
// https://github.com/joyent/node/blob/f8c335d0caf47f16d31413f89aa28eda3878e3aa/lib/util.js

var getName = require('./getName');
var getProperties = require('./getProperties');
var getEnumerableProperties = require('./getEnumerableProperties');

module.exports = inspect;

/**
 * Echos the value of a value. Trys to print the value out
 * in the best way possible given the different types.
 *
 * @param {Object} obj The object to print out.
 * @param {Boolean} showHidden Flag that shows hidden (not enumerable)
 *    properties of objects.
 * @param {Number} depth Depth in which to descend in object. Default is 2.
 * @param {Boolean} colors Flag to turn on ANSI escape codes to color the
 *    output. Default is false (no coloring).
 */
function inspect(obj, showHidden, depth, colors) {
  var ctx = {
    showHidden: showHidden,
    seen: [],
    stylize: function (str) { return str; }
  };
  return formatValue(ctx, obj, (typeof depth === 'undefined' ? 2 : depth));
}

// https://gist.github.com/1044128/
var getOuterHTML = function(element) {
  if ('outerHTML' in element) return element.outerHTML;
  var ns = "http://www.w3.org/1999/xhtml";
  var container = document.createElementNS(ns, '_');
  var elemProto = (window.HTMLElement || window.Element).prototype;
  var xmlSerializer = new XMLSerializer();
  var html;
  if (document.xmlVersion) {
    return xmlSerializer.serializeToString(element);
  } else {
    container.appendChild(element.cloneNode(false));
    html = container.innerHTML.replace('><', '>' + element.innerHTML + '<');
    container.innerHTML = '';
    return html;
  }
};

// Returns true if object is a DOM element.
var isDOMElement = function (object) {
  if (typeof HTMLElement === 'object') {
    return object instanceof HTMLElement;
  } else {
    return object &&
      typeof object === 'object' &&
      object.nodeType === 1 &&
      typeof object.nodeName === 'string';
  }
};

function formatValue(ctx, value, recurseTimes) {
  // Provide a hook for user-specified inspect functions.
  // Check that value is an object with an inspect function on it
  if (value && typeof value.inspect === 'function' &&
      // Filter out the util module, it's inspect function is special
      value.inspect !== exports.inspect &&
      // Also filter out any prototype objects using the circular check.
      !(value.constructor && value.constructor.prototype === value)) {
    return value.inspect(recurseTimes);
  }

  // Primitive types cannot have properties
  var primitive = formatPrimitive(ctx, value);
  if (primitive) {
    return primitive;
  }

  // If it's DOM elem, get outer HTML.
  if (isDOMElement(value)) {
    return getOuterHTML(value);
  }

  // Look up the keys of the object.
  var visibleKeys = getEnumerableProperties(value);
  var keys = ctx.showHidden ? getProperties(value) : visibleKeys;

  // Some type of object without properties can be shortcutted.
  // In IE, errors have a single `stack` property, or if they are vanilla `Error`,
  // a `stack` plus `description` property; ignore those for consistency.
  if (keys.length === 0 || (isError(value) && (
      (keys.length === 1 && keys[0] === 'stack') ||
      (keys.length === 2 && keys[0] === 'description' && keys[1] === 'stack')
     ))) {
    if (typeof value === 'function') {
      var name = getName(value);
      var nameSuffix = name ? ': ' + name : '';
      return ctx.stylize('[Function' + nameSuffix + ']', 'special');
    }
    if (isRegExp(value)) {
      return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');
    }
    if (isDate(value)) {
      return ctx.stylize(Date.prototype.toUTCString.call(value), 'date');
    }
    if (isError(value)) {
      return formatError(value);
    }
  }

  var base = '', array = false, braces = ['{', '}'];

  // Make Array say that they are Array
  if (isArray(value)) {
    array = true;
    braces = ['[', ']'];
  }

  // Make functions say that they are functions
  if (typeof value === 'function') {
    var name = getName(value);
    var nameSuffix = name ? ': ' + name : '';
    base = ' [Function' + nameSuffix + ']';
  }

  // Make RegExps say that they are RegExps
  if (isRegExp(value)) {
    base = ' ' + RegExp.prototype.toString.call(value);
  }

  // Make dates with properties first say the date
  if (isDate(value)) {
    base = ' ' + Date.prototype.toUTCString.call(value);
  }

  // Make error with message first say the error
  if (isError(value)) {
    return formatError(value);
  }

  if (keys.length === 0 && (!array || value.length == 0)) {
    return braces[0] + base + braces[1];
  }

  if (recurseTimes < 0) {
    if (isRegExp(value)) {
      return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');
    } else {
      return ctx.stylize('[Object]', 'special');
    }
  }

  ctx.seen.push(value);

  var output;
  if (array) {
    output = formatArray(ctx, value, recurseTimes, visibleKeys, keys);
  } else {
    output = keys.map(function(key) {
      return formatProperty(ctx, value, recurseTimes, visibleKeys, key, array);
    });
  }

  ctx.seen.pop();

  return reduceToSingleString(output, base, braces);
}


function formatPrimitive(ctx, value) {
  switch (typeof value) {
    case 'undefined':
      return ctx.stylize('undefined', 'undefined');

    case 'string':
      var simple = '\'' + JSON.stringify(value).replace(/^"|"$/g, '')
                                               .replace(/'/g, "\\'")
                                               .replace(/\\"/g, '"') + '\'';
      return ctx.stylize(simple, 'string');

    case 'number':
      return ctx.stylize('' + value, 'number');

    case 'boolean':
      return ctx.stylize('' + value, 'boolean');
  }
  // For some reason typeof null is "object", so special case here.
  if (value === null) {
    return ctx.stylize('null', 'null');
  }
}


function formatError(value) {
  return '[' + Error.prototype.toString.call(value) + ']';
}


function formatArray(ctx, value, recurseTimes, visibleKeys, keys) {
  var output = [];
  for (var i = 0, l = value.length; i < l; ++i) {
    if (Object.prototype.hasOwnProperty.call(value, String(i))) {
      output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,
          String(i), true));
    } else {
      output.push('');
    }
  }
  keys.forEach(function(key) {
    if (!key.match(/^\d+$/)) {
      output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,
          key, true));
    }
  });
  return output;
}


function formatProperty(ctx, value, recurseTimes, visibleKeys, key, array) {
  var name, str;
  if (value.__lookupGetter__) {
    if (value.__lookupGetter__(key)) {
      if (value.__lookupSetter__(key)) {
        str = ctx.stylize('[Getter/Setter]', 'special');
      } else {
        str = ctx.stylize('[Getter]', 'special');
      }
    } else {
      if (value.__lookupSetter__(key)) {
        str = ctx.stylize('[Setter]', 'special');
      }
    }
  }
  if (visibleKeys.indexOf(key) < 0) {
    name = '[' + key + ']';
  }
  if (!str) {
    if (ctx.seen.indexOf(value[key]) < 0) {
      if (recurseTimes === null) {
        str = formatValue(ctx, value[key], null);
      } else {
        str = formatValue(ctx, value[key], recurseTimes - 1);
      }
      if (str.indexOf('\n') > -1) {
        if (array) {
          str = str.split('\n').map(function(line) {
            return '  ' + line;
          }).join('\n').substr(2);
        } else {
          str = '\n' + str.split('\n').map(function(line) {
            return '   ' + line;
          }).join('\n');
        }
      }
    } else {
      str = ctx.stylize('[Circular]', 'special');
    }
  }
  if (typeof name === 'undefined') {
    if (array && key.match(/^\d+$/)) {
      return str;
    }
    name = JSON.stringify('' + key);
    if (name.match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)) {
      name = name.substr(1, name.length - 2);
      name = ctx.stylize(name, 'name');
    } else {
      name = name.replace(/'/g, "\\'")
                 .replace(/\\"/g, '"')
                 .replace(/(^"|"$)/g, "'");
      name = ctx.stylize(name, 'string');
    }
  }

  return name + ': ' + str;
}


function reduceToSingleString(output, base, braces) {
  var numLinesEst = 0;
  var length = output.reduce(function(prev, cur) {
    numLinesEst++;
    if (cur.indexOf('\n') >= 0) numLinesEst++;
    return prev + cur.length + 1;
  }, 0);

  if (length > 60) {
    return braces[0] +
           (base === '' ? '' : base + '\n ') +
           ' ' +
           output.join(',\n  ') +
           ' ' +
           braces[1];
  }

  return braces[0] + base + ' ' + output.join(', ') + ' ' + braces[1];
}

function isArray(ar) {
  return Array.isArray(ar) ||
         (typeof ar === 'object' && objectToString(ar) === '[object Array]');
}

function isRegExp(re) {
  return typeof re === 'object' && objectToString(re) === '[object RegExp]';
}

function isDate(d) {
  return typeof d === 'object' && objectToString(d) === '[object Date]';
}

function isError(e) {
  return typeof e === 'object' && objectToString(e) === '[object Error]';
}

function objectToString(o) {
  return Object.prototype.toString.call(o);
}

}, 



'lib/chai/utils/objDisplay': function(module, exports, global, require, undefined){
  /*!
 * Chai - flag utility
 * Copyright(c) 2012-2013 Jake Luer <jake@alogicalparadox.com>
 * MIT Licensed
 */

/*!
 * Module dependancies
 */

var inspect = require('./inspect');

/**
 * ### .objDisplay (object)
 *
 * Determines if an object or an array matches
 * criteria to be inspected in-line for error
 * messages or should be truncated.
 *
 * @param {Mixed} javascript object to inspect
 * @name objDisplay
 * @api public
 */

module.exports = function (obj) {
  var str = inspect(obj)
    , type = Object.prototype.toString.call(obj);

  if (str.length >= 40) {
    if (type === '[object Function]') {
      return !obj.name || obj.name === ''
        ? '[Function]'
        : '[Function: ' + obj.name + ']';
    } else if (type === '[object Array]') {
      return '[ Array(' + obj.length + ') ]';
    } else if (type === '[object Object]') {
      var keys = Object.keys(obj)
        , kstr = keys.length > 2
          ? keys.splice(0, 2).join(', ') + ', ...'
          : keys.join(', ');
      return '{ Object (' + kstr + ') }';
    } else {
      return str;
    }
  } else {
    return str;
  }
};

}, 



'lib/chai/utils/overwriteMethod': function(module, exports, global, require, undefined){
  /*!
 * Chai - overwriteMethod utility
 * Copyright(c) 2012-2013 Jake Luer <jake@alogicalparadox.com>
 * MIT Licensed
 */

/**
 * ### overwriteMethod (ctx, name, fn)
 *
 * Overwites an already existing method and provides
 * access to previous function. Must return function
 * to be used for name.
 *
 *     utils.overwriteMethod(chai.Assertion.prototype, 'equal', function (_super) {
 *       return function (str) {
 *         var obj = utils.flag(this, 'object');
 *         if (obj instanceof Foo) {
 *           new chai.Assertion(obj.value).to.equal(str);
 *         } else {
 *           _super.apply(this, arguments);
 *         }
 *       }
 *     });
 *
 * Can also be accessed directly from `chai.Assertion`.
 *
 *     chai.Assertion.overwriteMethod('foo', fn);
 *
 * Then can be used as any other assertion.
 *
 *     expect(myFoo).to.equal('bar');
 *
 * @param {Object} ctx object whose method is to be overwritten
 * @param {String} name of method to overwrite
 * @param {Function} method function that returns a function to be used for name
 * @name overwriteMethod
 * @api public
 */

module.exports = function (ctx, name, method) {
  var _method = ctx[name]
    , _super = function () { return this; };

  if (_method && 'function' === typeof _method)
    _super = _method;

  ctx[name] = function () {
    var result = method(_super).apply(this, arguments);
    return result === undefined ? this : result;
  }
};

}, 



'lib/chai/utils/overwriteProperty': function(module, exports, global, require, undefined){
  /*!
 * Chai - overwriteProperty utility
 * Copyright(c) 2012-2013 Jake Luer <jake@alogicalparadox.com>
 * MIT Licensed
 */

/**
 * ### overwriteProperty (ctx, name, fn)
 *
 * Overwites an already existing property getter and provides
 * access to previous value. Must return function to use as getter.
 *
 *     utils.overwriteProperty(chai.Assertion.prototype, 'ok', function (_super) {
 *       return function () {
 *         var obj = utils.flag(this, 'object');
 *         if (obj instanceof Foo) {
 *           new chai.Assertion(obj.name).to.equal('bar');
 *         } else {
 *           _super.call(this);
 *         }
 *       }
 *     });
 *
 *
 * Can also be accessed directly from `chai.Assertion`.
 *
 *     chai.Assertion.overwriteProperty('foo', fn);
 *
 * Then can be used as any other assertion.
 *
 *     expect(myFoo).to.be.ok;
 *
 * @param {Object} ctx object whose property is to be overwritten
 * @param {String} name of property to overwrite
 * @param {Function} getter function that returns a getter function to be used for name
 * @name overwriteProperty
 * @api public
 */

module.exports = function (ctx, name, getter) {
  var _get = Object.getOwnPropertyDescriptor(ctx, name)
    , _super = function () {};

  if (_get && 'function' === typeof _get.get)
    _super = _get.get

  Object.defineProperty(ctx, name,
    { get: function () {
        var result = getter(_super).call(this);
        return result === undefined ? this : result;
      }
    , configurable: true
  });
};

}, 



'lib/chai/utils/test': function(module, exports, global, require, undefined){
  /*!
 * Chai - test utility
 * Copyright(c) 2012-2013 Jake Luer <jake@alogicalparadox.com>
 * MIT Licensed
 */

/*!
 * Module dependancies
 */

var flag = require('./flag');

/**
 * # test(object, expression)
 *
 * Test and object for expression.
 *
 * @param {Object} object (constructed Assertion)
 * @param {Arguments} chai.Assertion.prototype.assert arguments
 */

module.exports = function (obj, args) {
  var negate = flag(obj, 'negate')
    , expr = args[0];
  return negate ? !expr : expr;
};

}, 



'lib/chai/utils/transferFlags': function(module, exports, global, require, undefined){
  /*!
 * Chai - transferFlags utility
 * Copyright(c) 2012-2013 Jake Luer <jake@alogicalparadox.com>
 * MIT Licensed
 */

/**
 * ### transferFlags(assertion, object, includeAll = true)
 *
 * Transfer all the flags for `assertion` to `object`. If
 * `includeAll` is set to `false`, then the base Chai
 * assertion flags (namely `object`, `ssfi`, and `message`)
 * will not be transferred.
 *
 *
 *     var newAssertion = new Assertion();
 *     utils.transferFlags(assertion, newAssertion);
 *
 *     var anotherAsseriton = new Assertion(myObj);
 *     utils.transferFlags(assertion, anotherAssertion, false);
 *
 * @param {Assertion} assertion the assertion to transfer the flags from
 * @param {Object} object the object to transfer the flags too; usually a new assertion
 * @param {Boolean} includeAll
 * @name getAllFlags
 * @api private
 */

module.exports = function (assertion, object, includeAll) {
  var flags = assertion.__flags || (assertion.__flags = Object.create(null));

  if (!object.__flags) {
    object.__flags = Object.create(null);
  }

  includeAll = arguments.length === 3 ? includeAll : true;

  for (var flag in flags) {
    if (includeAll ||
        (flag !== 'object' && flag !== 'ssfi' && flag != 'message')) {
      object.__flags[flag] = flags[flag];
    }
  }
};

}, 



'lib/chai/utils/type': function(module, exports, global, require, undefined){
  /*!
 * Chai - type utility
 * Copyright(c) 2012-2013 Jake Luer <jake@alogicalparadox.com>
 * MIT Licensed
 */

/*!
 * Detectable javascript natives
 */

var natives = {
    '[object Arguments]': 'arguments'
  , '[object Array]': 'array'
  , '[object Date]': 'date'
  , '[object Function]': 'function'
  , '[object Number]': 'number'
  , '[object RegExp]': 'regexp'
  , '[object String]': 'string'
};

/**
 * ### type(object)
 *
 * Better implementation of `typeof` detection that can
 * be used cross-browser. Handles the inconsistencies of
 * Array, `null`, and `undefined` detection.
 *
 *     utils.type({}) // 'object'
 *     utils.type(null) // `null'
 *     utils.type(undefined) // `undefined`
 *     utils.type([]) // `array`
 *
 * @param {Mixed} object to detect type of
 * @name type
 * @api private
 */

module.exports = function (obj) {
  var str = Object.prototype.toString.call(obj);
  if (natives[str]) return natives[str];
  if (obj === null) return 'null';
  if (obj === undefined) return 'undefined';
  if (obj === Object(obj)) return 'object';
  return typeof obj;
};

}, 

 });


fox.pkg(function(parents){

  return {
    'name'         : 'fox',
    'mainModuleId' : 'lib/index',
    'modules'      : [],
    'parents'      : parents
  };

})({ 'lib/bdd': function(module, exports, global, require, undefined){
  var TestSuite = require('./testsuite'),
    globals   = require('./globals');

module.exports = {
  after      : after,
  afterEach  : afterEach,
  before     : before,
  beforeEach : beforeEach,
  describe   : describe,
  it         : it
};

function after(fn){
  if(after.caller.testsuite)
    after.caller.testsuite.after = fn;
  else
    globals.after = fn;
}

function afterEach(fn){
  if(afterEach.caller.testsuite)
    afterEach.caller.testsuite.afterEach = fn;
  else
    globals.afterEach = fn;
}

function before(fn){
  if(before.caller.testsuite)
    before.caller.testsuite.before = fn;
  else
    globals.before = fn;
}

function beforeEach(fn){
  if(beforeEach.caller.testsuite)
    beforeEach.caller.testsuite.beforeEach = fn;
  else
    globals.beforeEach = fn;
}

function describe(title, fn){
  fn.testsuite = new TestSuite(title);
  fn();
}

function it(title, fn){
  fn.testsuite = it.caller.testsuite || new TestSuite(title);
  fn.testsuite.test(it.caller.testsuite ? title : '', fn);
}

}, 



'lib/browser': function(module, exports, global, require, undefined){
  var one    = require("one"),
    path   = require("path"),
    fs     = require('fs'),
    paths  = require('./paths'),
    server = require('./server'),
    toInclude;

module.exports = browser;
module.exports.include = include;

function browser(args){

  paths(args._, function(error, paths){

    if(error) throw error;

    var target = findManifest(paths);

    one(target)
      .include.apply(undefined, paths)
      .include.apply(undefined, toInclude)
      .exclude('fox', 'cli-color', 'express', 'glob', 'require-like', 'one', 'optimist', 'glob', 'browserify', 'mocha', 'commander', 'colors', 'uglify-js', 'mkdirp', 'request', 'coffee-script', 'connect', 'jade', 'redis', 'debug', 'mime', 'node-uuid', 'less', 'stylus', 'jsdom', 'mongodb', 'mongoose', 'rimraf', 'vows', 'requirejs', 'npm', 'jshint', 'node-static', 'shelljs', 'nodeunit', 'tar', 'pg')
      .devDependencies()
      .name('bundle')
      .quiet()
      .save(function(error, bundle){
        if(error) throw error;

        server(bundle, paths);
      });

  });

}

function findManifest(paths){
  var manifest;

  paths.some(function(filename){
    var apt = path.join(path.dirname(fs.existsSync(filename)), 'package.json');

    if(fs.existsSync(apt)){
      manifest = apt;
      return false;
    }

    return true;

  });

  return manifest;
}

function include(files){
  toInclude = files.split(',');
}

}, 



'lib/clean-stack-trace': function(module, exports, global, require, undefined){
  module.exports = cleanStackTrace;

function cleanStackTrace(stack){

  if(!stack) return '';

  return stack
        .split('\n')
        .filter(function(line){
          return !isFoxTrace(line) && !isChaiTrace(line) && !isJQueryTrace(line);
        })
        .filter(function(el, ind, list){
          return list[ind-1] != el;
        })
        .slice(0, 10)
        .join('\n');
}

function isJQueryTrace(line){
  return /\/jquery\.min\.js/.test(line);
}

function isFoxTrace(line){
  return /\/fox\/(lib|bin|node_modules)/.test(line) || /\/fox\.js/.test(line) || /\/fox-runner\.js/.test(line);
}

function isChaiTrace(line){
  return /\/chai\/(lib|bin|node_modules)/.test(line);
}

}, 



'lib/cli': function(module, exports, global, require, undefined){
  var paths      = require('./paths'),
    loadModule = require('./load-module'),
    suites     = require('./suites'),
    reporter   = require('./reporters/cli');

suites.onError(onError);
suites.onFinish(onFinish);
suites.onRun(onRun);

module.exports = cli;

process.on('uncaughtException', function(error){
  reporter.error(undefined, error);
});

function cli(args){
  paths(args._, function(error, paths){

    if(error) throw error;

    reporter.start();

    paths.forEach(loadModule);

    suites.run();
  });
}

function onError(updates){
  updates.forEach(function(el){
    var error = el.params[0],
        test  = el.params[1];

    reporter.error(test, error);
  });
}

function onFinish(suites){
  reporter.end(suites);
}

function onRun(updates){
  updates.forEach(function(el){
    var test  = el.params[0],
        error = el.params[1];

    reporter.run(test, error);
   });
}

}, 



'lib/error': function(module, exports, global, require, undefined){
  var fs              = require('fs'),
    path            = require("path"),
    cleanStackTrace = require('./clean-stack-trace');

module.exports = newError;

function newError(error, test){

  var result = {

    message: error.message,
    stack : cleanStackTrace(error.stack),
    test  : test

    /*
     filename, basename, lineno, code
     */
  };

  var stackMatching = result.stack.match(/\(([^\(\)]+)\)/);

  if(!stackMatching){
    return result;
  }

  stackMatching = stackMatching[1].split(':');

  var filename = result.filename = stackMatching[0],
      basename = result.basename = path.basename(filename),
      lineno   = result.lineno   = Number(stackMatching[1]),
      code     = result.code     = relatedCode(result);

  return result;
};

function relatedCode(err, callback){

  var buffer;

  try {
    buffer = fs.readFileSync(err.filename);
  } catch(readError) {
    return undefined;
  }

  return buffer
    .toString()
    .split('\n')
    .slice(err.lineno - 2, err.lineno + 1)
    .map(function(code, ind){
      return { lineno: err.lineno + (ind - 1), code: code };
    });
}

}, 



'lib/globals': function(module, exports, global, require, undefined){
  module.exports = {
  before     : before,
  beforeEach : beforeEach,
  after      : after,
  afterEach  : afterEach
};

function before(callback){
  callback();
}

function beforeEach(callback){
  callback();
}

function after(callback){
  callback();
}

function afterEach(callback){
  callback();
}

}, 



'lib/grep': function(module, exports, global, require, undefined){
  var pattern = undefined;

module.exports = test;
module.exports.pattern = function(newPattern){
  pattern = new RegExp(newPattern);
};

function test(text){
  return !pattern || pattern.test(text);
}

}, 



'lib/help': function(module, exports, global, require, undefined){
  var fs   = require("fs"),
    puts = require('util').puts;

module.exports = function(){
  var man = fs.readFileSync(__dirname + '/../docs/man');
  puts(man);
  process.exit(0);
};

}, 



'lib/index': function(module, exports, global, require, undefined){
  exports.suites = require("./suites");
exports.bdd = require('./bdd');

}, 



'lib/index': function(module, exports, global, require, undefined){
  exports.suites = require("./suites");
exports.bdd = require('./bdd');

}, 



'lib/load-module': function(module, exports, global, require, undefined){
  var vm          = require('vm'),
    fs          = require('fs'),
    path        = require('path'),
    chai        = require('chai'),
    requireLike = require('require-like'),

    bdd         = require('./bdd'),
    mocks       = { chai: chai };

chai.Assertion.includeStack = true;

module.exports = loadModule;

function loadModule(filename){
  var context = newContext(filename);
  vm.runInNewContext(read(filename), context, filename);
  return context.module.exports;
};

function mockRequire(relative){
  var relativeRequire = requireLike(relative);

  return function(module){
    return mocks[module] || relativeRequire(module);
  };
}

function newContext(filename){
  var exports = {},
      module  = { exports: exports };

  return {
    __filename    : filename,
    __dirname     : path.dirname(filename),

    Buffer        : Buffer,

    process       : process,
    console       : console,

    setTimeout    : setTimeout,
    clearTimeout  : clearTimeout,
    setInterval   : setInterval,
    clearInterval : clearInterval,

    exports       : exports,
    require       : mockRequire(filename),
    module        : module,

    chai          : chai,
    expect        : chai.expect,
    assert        : chai.assert,

    describe      : bdd.describe,
    it            : bdd.it,
    before        : bdd.before,
    after         : bdd.after,
    beforeEach    : bdd.beforeEach,
    afterEach     : bdd.afterEach
  };
}

function read(filename){
  if(!/\.js$/.test(filename))
    filename += '.js';

  return fs.readFileSync(filename);
}

function resolveModule(relative, module) {
  if (module.charAt(0) !== '.') return module;
  return path.resolve(path.dirname(relative), module);
};

}, 



'lib/paths': function(module, exports, global, require, undefined){
  var fs   = require('fs'),
    path = require("path"),
    map  = require('map'),
    glob = map.bind(undefined, require('glob'));

module.exports = paths;

function complete(files){
  files.length || ( files = ['test.js', 'test/index.js'].filter(fs.existsSync) );

  return files;
}

function filterDuplicates(files){
  return files.filter(function(el, ind){
    return files.indexOf(el) >= ind;
  });
}

function flatten(list){
  var result = [];

  list.forEach(function(el){
    result.push.apply(result, el);
  });

  return result;
}

function isDirectory(filename){
  return fs.existsSync(filename) && fs.lstatSync(filename).isDirectory();
}


function paths(files, callback){

  files = complete(files);

  files = files.map(function(filename){

    if(isDirectory(filename))
      return path.join(filename, '*');
    else if(!/\.js$/.test(filename))
      return filename + '.js';

    return filename;

  });

  glob(files, function(error, files){
    callback(error, files && filterDuplicates(flatten(files)));
  });

}

}, 



'lib/reporters/cli/index': function(module, exports, global, require, undefined){
  var util        = require("util"),
    betterError = require('../../error'),
    theme       = require('./theme');

exports.run = function(test, error, ind){
//  process.stdout.write(theme.bold.blue('.'));
}

exports.start = function(){
  process.stdout.write('\u001B[2J\u001B[0;0f');
};

exports.error = function(test, error){
  var err = betterError(error, test);

  var output = ['\n', test && test.title || '[Unknown]', ''],
      code = [];

  output.push('    ' + theme.bold.red(err.message) + ' ' + theme.blackBright(err.filename + ( error.lineno ? ':' + err.lineno : '' )));

  if(err.code){
    code.push(theme.blackBright(err.code[0].lineno + '.   ' + err.code[0].code),
              err.code[1].lineno + '.   ' + err.code[1].code,
              theme.blackBright(err.code[2].lineno + '.   ' + err.code[2].code));

    code = code.map(function(el){ return '        ' + el; });
  }

  output = output.concat(code);

  output.push('', '    ' + theme.blackBright(err.stack.replace(/\n/g, '\n        ')));

  output = output.map(function(ln){
    return '    ' + ln;
  });

  output.push('\n');

  process.stdout.write(output.join('\n'));
};

exports.end = function(result){
  result.passed && process.stdout.write(util.format('\n    OK, passed %d tests.\n\n', result.passed));
//  process.stdout.write('\n    end');
}

}, 



'lib/reporters/cli/theme': function(module, exports, global, require, undefined){
  module.exports = require('cli-color');

}, 



'lib/server': function(module, exports, global, require, undefined){
  var express = require("express"),
    path    = require('path'),
    fs      = require("fs"),
    prop    = require('new-prop'),
    app     = express(),

    port    = prop(7559);

app.use(express.logger());
app.use(express.static(path.join(__dirname, '../web')));

module.exports = server;
module.exports.port = port;

function server(bundle, paths){

  app.get('/bundle.js', function(req, res){
    res.send(bundle);
  });

  app.get('/modules', function(req, res){
    res.send(JSON.stringify(paths));
  });

  app.listen(port());

  console.log('Visit localhost:%d to run tests on a web browser', port());
};

}, 



'lib/suites': function(module, exports, global, require, undefined){
  var subscribe         = require('subscribe'),
    pubsub            = require('new-pubsub'),

    globals           = require("./globals"),

    suites            = [],

    onError           = pubsub(),
    onFinish          = pubsub(),
    onRun             = pubsub(),

    onErrorController = subscribe(onError.publish),
    onRunController   = subscribe(onRun.publish),

    passed            = true,
    count             = 0;

module.exports = {
  add      : add,
  content  : suites,
  onError  : onError,
  onFinish : onFinish,
  onRun    : onRun,
  run      : run
};

function add(suite){
  suites.push(suite);

  onErrorController.add(suite.onError);
  onRunController.add(suite.onRun);
}

function iter(i){
  if( i >= suites.length ) {
    globals.after(function(){
      onFinish.publish(passed ? { passed : count } : {});
    });
    return;
  }

  count += suites[i].tests.length;

  suites[i].runAll(function(){

    suites[i].errors.length && ( passed = false );

    iter(i+1);
  });
};

function run(){
  globals.before(function(){
    iter(0);
  });
}

}, 



'lib/testsuite': function(module, exports, global, require, undefined){
  var pubsub  = require('new-pubsub'),
    globals = require('./globals'),
    suites  = require('./suites'),
    grep    = require('./grep'),
    timeout = require('./timeout');

module.exports = TestSuite;

Error.stackTraceLimit = Infinity;

function TestSuite(title){
  this.title    = title;
  this.tests    = [];
  this.errors   = [];

  this.onError  = pubsub();
  this.onFinish = pubsub();
  this.onRun    = pubsub();

  suites.add(this);
}

TestSuite.prototype.error = function(error, test){
  var self = this;

  this.errors.push({ test: test, error: error });

  setTimeout(function(){
    self.onError.publish(error, test);
  });
};


TestSuite.prototype.step = function(name, skipGlobal){
  var self = this;

  function global(cb){
    globals[name](cb);

    if(globals[name].length == 0)
      cb();
  }

  function local(cb){
    return function(){
      if(!self[name]) return cb();

      self[name](cb);

      if(self[name].length == 0)
        cb();
    }
  }

  return function(done){
    if(skipGlobal)
      local(done)();
    else
      global(local(done));
  };
};

TestSuite.prototype.test = function(title, fn){
  this.tests.push({
    title: this.title + ' ' + title,
    fn: fn
  });
};

TestSuite.prototype.run = function(test, next){
  var self = this;

  try {

    if(!test.ran){
      test.ran = true;

      checkTimeout();
      test.fn(done);
    }

    if(test.fn.length == 0){
      done();
    }

  } catch(error){
    self.errors.push({ test: test, error: error });

    setTimeout(function(){
      self.onError.publish(error, test);
    }, 0);

    done(error);
  }

  function checkTimeout(){
    checkTimeout.ref = setTimeout(function(){

      if(done.called) return;

      self.error(new Error('timeout of ' + timeout() + 'ms exceeded.'), test);

    }, timeout());
  }

  function done(error){

    if(checkTimeout.ref != undefined){
      clearTimeout(checkTimeout.ref);
      checkTimeout.ref = undefined;
    }

    if(done.called){
      error = new Error('done() called multiple times');

      self.errors.push({ test: test, error: error });

      setTimeout(function(){
        self.onError.publish(error, test);
      });

      return;
    }

    done.called = true;
    self.onRun.publish(test, error);

    next();
  }

};

TestSuite.prototype.runAll = function(callback, undefined){

  var self       = this,
      before     = this.step('before', true),
      beforeEach = this.step('beforeEach'),
      after      = this.step('after', true),
      afterEach  = this.step('afterEach');

  function iter(i){

    if(i >= self.tests.length){
      after(callback);
      return;
    }

    var test = self.tests[i],
        next = iter.bind(undefined, i+1);

    if(!grep(test.title)){
      next();
      return;
    }

    beforeEach(function(){
      self.run(test, function(){
        afterEach(next);
      });
    });
  };

  before(function(){
    iter(0);
  });

};

}, 



'lib/timeout': function(module, exports, global, require, undefined){
  var prop = require('new-prop');

module.exports = prop(2000);

}, 



'lib/version': function(module, exports, global, require, undefined){
  var puts = require('util').puts;

module.exports = version;

function version(){
  puts('fox v' + require('../package.json').version);
  process.exit(0);
}

}, 

 });


fox.pkg("fox", function(parents){

  return {
    'name'         : 'map',
    'mainModuleId' : 'map',
    'modules'      : [],
    'parents'      : parents
  };

})({ 'map': function(module, exports, global, require, undefined){
  module.exports = map;

/**
 * Apply async function to every item of iterable, receiving a callback function which takes error (if there is) and replacement parameters.
 *
 * @param {Function} fn
 * @param {Array, Object} iterable
 * @param {Function} callback
 */
function map(fn, iterable, callback){
  var clone, iter, i, len, key, value,
      list = isArray(iterable);

  iter = list ? Array.prototype.slice.call(iterable) : objectKeys(iterable);
  clone = list ? iter : {};

  (function next(i, error, rpl){

    key = list ? i-1 : iter[i-1];
    value = list ? clone[i] : iterable[ iter[i] ];

    arguments.length > 2 && ( clone[key] = rpl );

    if(error || i>=iter.length){
      callback(error, clone);
      return;
    }

    fn(value, next.bind(undefined, i+1));

  })(0);
};

function objectKeys(obj){
  var keys = [], key;
  for(key in obj){
    keys.push( key );
  }
  return keys;
}

function isArray(obj){
  return Object.prototype.toString.call(obj) == '[object Array]';
}

}, 

 });


fox.pkg("fox", function(parents){

  return {
    'name'         : 'new-prop',
    'mainModuleId' : 'index',
    'modules'      : [],
    'parents'      : parents
  };

})({ 'index': function(module, exports, global, require, undefined){
  module.exports = prop;

/**
 * Create and return a new property.
 *
 * @param {Anything} rawValue (optional)
 * @param {Function} getter (optional)
 * @param {Function} setter (optional)
 * @return {AdaProperty}
 */
function prop(rawValue, getter, setter){

  var raw = (function(value){

    return function raw(update){
      if( arguments.length ){
        value = update;
      }

      return value;
    };

  }());

  function proxy(update, options){
    if(arguments.length > 0){
      raw( setter ? setter(update, raw()) : update );
    }

    return getter ? getter(raw()) : raw();
  };

  proxy.extend = function(ext){
    raw = ext(raw);
    return proxy;
  }

  proxy.getter = function(newGetter){
    getter = newGetter;
    return proxy;
  };

  proxy.setter = function(newSetter){
    setter = newSetter;
    return proxy;
  };

  proxy.isAdaProperty = true;
  proxy.raw           = raw;

  raw(setter ? setter(rawValue) : rawValue);

  return proxy;
}

}, 

 });


fox.pkg("fox", function(parents){

  return {
    'name'         : 'new-pubsub',
    'mainModuleId' : 'index',
    'modules'      : [],
    'parents'      : parents
  };

})({ 'index': function(module, exports, global, require, undefined){
  module.exports = PubSub;

function PubSub(mix){

  var proxy = mix || function pubsubProxy(){
    arguments.length && sub.apply(undefined, arguments);
  };

  function sub(callback){
    subscribe(proxy, callback);
  }

  function subOnce(callback){
    once(proxy, callback);
  }

  function unsubOnce(callback){
    unsubscribeOnce(proxy, callback);
  }

  function unsub(callback){
    unsubscribe(proxy, callback);
  }

  function pub(){
    var args = [proxy];
    Array.prototype.push.apply(args, arguments);
    publish.apply(undefined, args);
  }

  proxy.subscribers        = [];
  proxy.subscribersForOnce = [];

  proxy.subscribe          = sub;
  proxy.subscribe.once     = subOnce;
  proxy.unsubscribe        = unsub;
  proxy.unsubscribe.once   = unsubOnce;
  proxy.publish            = pub;

  return proxy;
}

/**
 * Publish "from" by applying given args
 *
 * @param {Function} from
 * @param {...Any} args
 */
function publish(from){

  var args = Array.prototype.slice.call(arguments, 1);

  if (from && from.subscribers && from.subscribers.length > 0) {
    from.subscribers.forEach(function(cb, i){
      if(!cb) return;

      try {
        cb.apply(undefined, args);
      } catch(exc) {
        setTimeout(function(){ throw exc; }, 0);
      }
    });
  }

  if (from && from.subscribersForOnce && from.subscribersForOnce.length > 0) {
    from.subscribersForOnce.forEach(function(cb, i){
      if(!cb) return;

      try {
        cb.apply(undefined, args);
      } catch(exc) {
        setTimeout(function(){ throw exc; }, 0);
      }
    });

    from.subscribersForOnce = [];

  }

}

/**
 * Subscribe callback to given pubsub object.
 *
 * @param {Pubsub} to
 * @param {Function} callback
 */
function subscribe(to, callback){
  if(!callback) return false;
  return to.subscribers.push(callback);
}


/**
 * Subscribe callback to given pubsub object for only one publish.
 *
 * @param {Pubsub} to
 * @param {Function} callback
 */
function once(to, callback){
  if(!callback) return false;

  return to.subscribersForOnce.push(callback);
}

/**
 * Unsubscribe callback to given pubsub object.
 *
 * @param {Pubsub} to
 * @param {Function} callback
 */
function unsubscribe(to, callback){
  var i = to.subscribers.length;

  while(i--){
    if(to.subscribers[i] && to.subscribers[i] == callback){
      to.subscribers[i] = undefined;

      return i;
    }
  }

  return false;
}


/**
 * Unsubscribe callback subscribed for once to specified pubsub.
 *
 * @param {Pubsub} to
 * @param {Function} callback
 * @return {Boolean or Number}
 */
function unsubscribeOnce(to, callback){
  var i = to.subscribersForOnce.length;

  while(i--){
    if(to.subscribersForOnce[i] && to.subscribersForOnce[i] == callback){
      to.subscribersForOnce[i] = undefined;

      return i;
    }
  }

  return false;
}

}, 

 });


fox.pkg("fox", function(parents){

  return {
    'name'         : 'subscribe',
    'mainModuleId' : 'index',
    'modules'      : [],
    'parents'      : parents
  };

})({ 'index': function(module, exports, global, require, undefined){
  var subscribe = require("./lib/subscribe"),
    once      = require('./lib/once');

module.exports = subscribe;
module.exports.once = once;

}, 



'lib/once': function(module, exports, global, require, undefined){
  module.exports = once;

function once(){
  var pubsubs       = Array.prototype.slice.call(arguments, 0, arguments.length - 1),
      subscriptions = [],
      callback      = arguments[arguments.length - 1],
      counter       = 0,
      self          = {
        add    : add,
        remove : rm,
        list   : subscriptions
      };

  add.apply(undefined, Array.prototype.slice.call(arguments, 0, arguments.length - 1));

  return self;

  function add(){
    var i   = -1,
        len = arguments.length, cb;

    while( ++i < len ){
      cb = proxy(arguments[i]);
      arguments[i].subscribe.once(cb);

      subscriptions.push({
        pubsub: arguments[i],
        callback: cb
      });
    }

  }

  function rm(pubsub){
    var i = subscriptions.length,
        removed = false;

    while( i --> 0 ){
      if(subscriptions[i] && subscriptions[i].pubsub == pubsub){
        pubsub.unsubscribe.once(subscriptions[i].callback);
        subscriptions[i] = undefined;
        counter++;
        removed = true;
      }
    }

    return removed;
  }

  function proxy(pubsub){
    return function(){

      if(!rm(pubsub)){
        return;
      }

      if(counter >= subscriptions.length){
        subscriptions = undefined;
        self.done = true;
        callback();
      }

    };
  }
}

}, 



'lib/subscribe': function(module, exports, global, require, undefined){
  module.exports = subscribe;

function subscribe(/* pubsubs..., callback */){
  var callback      = arguments[arguments.length - 1],
      subscriptions = [],
      fired         = [],
      timer;

  add.apply(undefined, Array.prototype.slice.call(arguments, 0, arguments.length - 1));

  return {
    list: subscriptions,
    add: add,
    remove: rm
  };

  function newSubscriber(pubsub){
    return function(){
      var args  = arguments;

      fired.push({ pubsub: pubsub, params: args });

      if(timer){
        clearTimeout(timer);
        timer = undefined;
      }

      timer = setTimeout(function(){
        callback(fired);
        fired = [];
      }, 0);
    };
  }

  function add(){
    var i = -1,
        len = arguments.length,
        cb;

    while( ++i < len ){
      cb = newSubscriber(arguments[i]);
      arguments[i].subscribe(cb);

      subscriptions.push({
        pubsub: arguments[i],
        callback: cb
      });
    }
  }

  function rm(pubsub){
    var i = subscriptions.length,
        removed = false;

    while( i --> 0 ){
      if(subscriptions[i] && subscriptions[i].pubsub == pubsub){
        pubsub.unsubscribe(subscriptions[i].callback);
        subscriptions[i] = undefined;
      }
    }
  }

}

}, 

 });


if(typeof module != 'undefined' && module.exports ){
  module.exports = fox;

  if( !module.parent ){
    fox();
  }
}