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+(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.chai = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
+/*!
+ * chai
+ * Copyright(c) 2011-2014 Jake Luer <jake@alogicalparadox.com>
+ * MIT Licensed
+ */
+
+var used = [];
+exports = module.exports = {};
+
+/*!
+ * Chai version
+ */
+
+exports.version = '3.0.0';
+
+/*!
+ * Assertion Error
+ */
+
+exports.AssertionError = require('assertion-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;
+};
+
+/*!
+ * Utility Functions
+ */
+
+exports.util = util;
+
+/*!
+ * Configuration
+ */
+
+var config = require('./chai/config');
+exports.config = config;
+
+/*!
+ * Primary `Assertion` prototype
+ */
+
+var assertion = require('./chai/assertion');
+exports.use(assertion);
+
+/*!
+ * 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);
+
+},{"./chai/assertion":2,"./chai/config":3,"./chai/core/assertions":4,"./chai/interface/assert":5,"./chai/interface/expect":6,"./chai/interface/should":7,"./chai/utils":20,"assertion-error":28}],2:[function(require,module,exports){
+/*!
+ * chai
+ * http://chaijs.com
+ * Copyright(c) 2011-2014 Jake Luer <jake@alogicalparadox.com>
+ * MIT Licensed
+ */
+
+var config = require('./config');
+
+module.exports = function (_chai, util) {
+ /*!
+ * Module dependencies.
+ */
+
+ var AssertionError = _chai.AssertionError
+ , flag = util.flag;
+
+ /*!
+ * Module export.
+ */
+
+ _chai.Assertion = 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);
+ }
+
+ Object.defineProperty(Assertion, 'includeStack', {
+ get: function() {
+ console.warn('Assertion.includeStack is deprecated, use chai.config.includeStack instead.');
+ return config.includeStack;
+ },
+ set: function(value) {
+ console.warn('Assertion.includeStack is deprecated, use chai.config.includeStack instead.');
+ config.includeStack = value;
+ }
+ });
+
+ Object.defineProperty(Assertion, 'showDiff', {
+ get: function() {
+ console.warn('Assertion.showDiff is deprecated, use chai.config.showDiff instead.');
+ return config.showDiff;
+ },
+ set: function(value) {
+ console.warn('Assertion.showDiff is deprecated, use chai.config.showDiff instead.');
+ config.showDiff = value;
+ }
+ });
+
+ 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);
+ };
+
+ Assertion.overwriteChainableMethod = function (name, fn, chainingBehavior) {
+ util.overwriteChainableMethod(this.prototype, name, fn, chainingBehavior);
+ };
+
+ /**
+ * ### .assert(expression, message, negateMessage, expected, actual, showDiff)
+ *
+ * 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 or Function} message or function that returns message to display if expression fails
+ * @param {String or Function} negatedMessage or function that returns 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`
+ * @param {Boolean} showDiff (optional) when set to `true`, assert will display a diff in addition to the message if expression fails
+ * @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 !== config.showDiff) showDiff = false;
+
+ if (!ok) {
+ msg = util.getMessage(this, arguments)
+ var actual = util.getActual(this, arguments);
+ throw new AssertionError(msg, {
+ actual: actual
+ , expected: expected
+ , showDiff: showDiff
+ }, (config.includeStack) ? this.assert : flag(this, 'ssfi'));
+ }
+ };
+
+ /*!
+ * ### ._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);
+ }
+ });
+};
+
+},{"./config":3}],3:[function(require,module,exports){
+module.exports = {
+
+ /**
+ * ### config.includeStack
+ *
+ * User configurable property, influences whether stack trace
+ * is included in Assertion error message. Default of false
+ * suppresses stack trace in the error message.
+ *
+ * chai.config.includeStack = true; // enable stack on error
+ *
+ * @param {Boolean}
+ * @api public
+ */
+
+ includeStack: false,
+
+ /**
+ * ### config.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.
+ *
+ * @param {Boolean}
+ * @api public
+ */
+
+ showDiff: true,
+
+ /**
+ * ### config.truncateThreshold
+ *
+ * User configurable property, sets length threshold for actual and
+ * expected values in assertion errors. If this threshold is exceeded, for
+ * example for large data structures, the value is replaced with something
+ * like `[ Array(3) ]` or `{ Object (prop1, prop2) }`.
+ *
+ * Set it to zero if you want to disable truncating altogether.
+ *
+ * This is especially userful when doing assertions on arrays: having this
+ * set to a reasonable large value makes the failure messages readily
+ * inspectable.
+ *
+ * chai.config.truncateThreshold = 0; // disable truncating
+ *
+ * @param {Number}
+ * @api public
+ */
+
+ truncateThreshold: 40
+
+};
+
+},{}],4:[function(require,module,exports){
+/*!
+ * chai
+ * http://chaijs.com
+ * Copyright(c) 2011-2014 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 provided as chainable getters to
+ * improve the readability of your assertions. They
+ * do not provide testing capabilities unless they
+ * have been overwritten by a plugin.
+ *
+ * **Chains**
+ *
+ * - to
+ * - be
+ * - been
+ * - is
+ * - that
+ * - which
+ * - and
+ * - has
+ * - have
+ * - with
+ * - at
+ * - of
+ * - same
+ *
+ * @name language chains
+ * @api public
+ */
+
+ [ 'to', 'be', 'been'
+ , 'is', 'and', 'has', 'have'
+ , 'with', 'that', 'which', 'at'
+ , 'of', 'same' ].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');
+ *
+ * `.deep.property` special characters can be escaped
+ * by adding two slashes before the `.` or `[]`.
+ *
+ * var deepCss = { '.link': { '[target]': 42 }};
+ * expect(deepCss).to.have.deep.property('\\.link.\\[target\\]', 42);
+ *
+ * @name deep
+ * @api public
+ */
+
+ Assertion.addProperty('deep', function () {
+ flag(this, 'deep', true);
+ });
+
+ /**
+ * ### .any
+ *
+ * Sets the `any` flag, (opposite of the `all` flag)
+ * later used in the `keys` assertion.
+ *
+ * expect(foo).to.have.any.keys('bar', 'baz');
+ *
+ * @name any
+ * @api public
+ */
+
+ Assertion.addProperty('any', function () {
+ flag(this, 'any', true);
+ flag(this, 'all', false)
+ });
+
+
+ /**
+ * ### .all
+ *
+ * Sets the `all` flag (opposite of the `any` flag)
+ * later used by the `keys` assertion.
+ *
+ * expect(foo).to.have.all.keys('bar', 'baz');
+ *
+ * @name all
+ * @api public
+ */
+
+ Assertion.addProperty('all', function () {
+ flag(this, 'all', true);
+ flag(this, 'any', false);
+ });
+
+ /**
+ * ### .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');
+ * expect(new Promise).to.be.a('promise');
+ * expect(new Float32Array()).to.be.a('float32array');
+ * expect(Symbol()).to.be.a('symbol');
+ *
+ * // es6 overrides
+ * expect({[Symbol.toStringTag]:()=>'foo'}).to.be.a('foo');
+ *
+ * // 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 `contains` 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
+ * @alias includes
+ * @alias contains
+ * @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');
+ var expected = false;
+ if (_.type(obj) === 'array' && _.type(val) === 'object') {
+ for (var i in obj) {
+ if (_.eql(obj[i], val)) {
+ expected = true;
+ break;
+ }
+ }
+ } else if (_.type(val) === 'object') {
+ if (!flag(this, 'negate')) {
+ for (var k in val) new Assertion(obj).property(k, val[k]);
+ return;
+ }
+ var subset = {};
+ for (k in val) subset[k] = obj[k];
+ expected = _.eql(subset, val);
+ } else {
+ expected = obj && ~obj.indexOf(val);
+ }
+ this.assert(
+ expected
+ , 'expected #{this} to include ' + _.inspect(val)
+ , 'expected #{this} to not include ' + _.inspect(val));
+ }
+
+ Assertion.addChainableMethod('include', include, includeChainingBehavior);
+ Assertion.addChainableMethod('contain', include, includeChainingBehavior);
+ Assertion.addChainableMethod('contains', include, includeChainingBehavior);
+ Assertion.addChainableMethod('includes', 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).to.not.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 and strings, 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' });
+ *
+ * Note that dots and bracket in `name` must be backslash-escaped when
+ * the `deep` flag is set, while they must NOT be escaped when the `deep`
+ * flag is not set.
+ *
+ * // simple referencing
+ * var css = { '.link[target]': 42 };
+ * expect(css).to.have.property('.link[target]', 42);
+ *
+ * // deep referencing
+ * var deepCss = { '.link': { '[target]': 42 }};
+ * expect(deepCss).to.have.deep.property('\\.link.\\[target\\]', 42);
+ *
+ * @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 isDeep = !!flag(this, 'deep')
+ , descriptor = isDeep ? 'deep property ' : 'property '
+ , negate = flag(this, 'negate')
+ , obj = flag(this, 'object')
+ , pathInfo = isDeep ? _.getPathInfo(name, obj) : null
+ , hasProperty = isDeep
+ ? pathInfo.exists
+ : _.hasProperty(name, obj)
+ , value = isDeep
+ ? pathInfo.value
+ : obj[name];
+
+ if (negate && arguments.length > 1) {
+ if (undefined === value) {
+ msg = (msg != null) ? msg + ': ' : '';
+ throw new Error(msg + _.inspect(obj) + ' has no ' + descriptor + _.inspect(name));
+ }
+ } else {
+ this.assert(
+ hasProperty
+ , 'expected #{this} to have a ' + descriptor + _.inspect(name)
+ , 'expected #{this} to not have ' + descriptor + _.inspect(name));
+ }
+
+ if (arguments.length > 1) {
+ 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);
+
+ /**
+ * ### .ownPropertyDescriptor(name[, descriptor[, message]])
+ *
+ * Asserts that the target has an own property descriptor `name`, that optionally matches `descriptor`.
+ *
+ * expect('test').to.have.ownPropertyDescriptor('length');
+ * expect('test').to.have.ownPropertyDescriptor('length', { enumerable: false, configurable: false, writable: false, value: 4 });
+ * expect('test').not.to.have.ownPropertyDescriptor('length', { enumerable: false, configurable: false, writable: false, value: 3 });
+ * expect('test').ownPropertyDescriptor('length').to.have.property('enumerable', false);
+ * expect('test').ownPropertyDescriptor('length').to.have.keys('value');
+ *
+ * @name ownPropertyDescriptor
+ * @alias haveOwnPropertyDescriptor
+ * @param {String} name
+ * @param {Object} descriptor _optional_
+ * @param {String} message _optional_
+ * @api public
+ */
+
+ function assertOwnPropertyDescriptor (name, descriptor, msg) {
+ if (typeof descriptor === 'string') {
+ msg = descriptor;
+ descriptor = null;
+ }
+ if (msg) flag(this, 'message', msg);
+ var obj = flag(this, 'object');
+ var actualDescriptor = Object.getOwnPropertyDescriptor(Object(obj), name);
+ if (actualDescriptor && descriptor) {
+ this.assert(
+ _.eql(descriptor, actualDescriptor)
+ , 'expected the own property descriptor for ' + _.inspect(name) + ' on #{this} to match ' + _.inspect(descriptor) + ', got ' + _.inspect(actualDescriptor)
+ , 'expected the own property descriptor for ' + _.inspect(name) + ' on #{this} to not match ' + _.inspect(descriptor)
+ , descriptor
+ , actualDescriptor
+ , true
+ );
+ } else {
+ this.assert(
+ actualDescriptor
+ , 'expected #{this} to have an own property descriptor for ' + _.inspect(name)
+ , 'expected #{this} to not have an own property descriptor for ' + _.inspect(name)
+ );
+ }
+ flag(this, 'object', actualDescriptor);
+ }
+
+ Assertion.addMethod('ownPropertyDescriptor', assertOwnPropertyDescriptor);
+ Assertion.addMethod('haveOwnPropertyDescriptor', assertOwnPropertyDescriptor);
+
+ /**
+ * ### .length
+ *
+ * Sets the `doLength` flag later 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);
+ *
+ * *Deprecation notice:* Using `length` as an assertion will be deprecated
+ * in version 2.4.0 and removed in 3.0.0. Code using the old style of
+ * asserting for `length` property value using `length(value)` should be
+ * switched to use `lengthOf(value)` instead.
+ *
+ * @name length
+ * @api public
+ */
+
+ /**
+ * ### .lengthOf(value[, message])
+ *
+ * Asserts that the target's `length` property has
+ * the expected value.
+ *
+ * expect([ 1, 2, 3]).to.have.lengthOf(3);
+ * expect('foobar').to.have.lengthOf(6);
+ *
+ * @name 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);
+
+ /**
+ * ### .match(regexp)
+ *
+ * Asserts that the target matches a regular expression.
+ *
+ * expect('foobar').to.match(/^foo/);
+ *
+ * @name match
+ * @alias matches
+ * @param {RegExp} RegularExpression
+ * @param {String} message _optional_
+ * @api public
+ */
+ function assertMatch(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
+ );
+ }
+
+ Assertion.addMethod('match', assertMatch);
+ Assertion.addMethod('matches', assertMatch);
+
+ /**
+ * ### .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 contains any or all of the passed-in keys.
+ * Use in combination with `any`, `all`, `contains`, or `have` will affect
+ * what will pass.
+ *
+ * When used in conjunction with `any`, at least one key that is passed
+ * in must exist in the target object. This is regardless whether or not
+ * the `have` or `contain` qualifiers are used. Note, either `any` or `all`
+ * should be used in the assertion. If neither are used, the assertion is
+ * defaulted to `all`.
+ *
+ * When both `all` and `contain` are used, the target object must have at
+ * least all of the passed-in keys but may have more keys not listed.
+ *
+ * When both `all` and `have` are used, the target object must both contain
+ * all of the passed-in keys AND the number of keys in the target object must
+ * match the number of keys passed in (in other words, a target object must
+ * have all and only all of the passed-in keys).
+ *
+ * expect({ foo: 1, bar: 2 }).to.have.any.keys('foo', 'baz');
+ * expect({ foo: 1, bar: 2 }).to.have.any.keys('foo');
+ * expect({ foo: 1, bar: 2 }).to.contain.any.keys('bar', 'baz');
+ * expect({ foo: 1, bar: 2 }).to.contain.any.keys(['foo']);
+ * expect({ foo: 1, bar: 2 }).to.contain.any.keys({'foo': 6});
+ * expect({ foo: 1, bar: 2 }).to.have.all.keys(['bar', 'foo']);
+ * expect({ foo: 1, bar: 2 }).to.have.all.keys({'bar': 6, 'foo': 7});
+ * expect({ foo: 1, bar: 2, baz: 3 }).to.contain.all.keys(['bar', 'foo']);
+ * expect({ foo: 1, bar: 2, baz: 3 }).to.contain.all.keys({'bar': 6});
+ *
+ *
+ * @name keys
+ * @alias key
+ * @param {String...|Array|Object} keys
+ * @api public
+ */
+
+ function assertKeys (keys) {
+ var obj = flag(this, 'object')
+ , str
+ , ok = true
+ , mixedArgsMsg = 'keys must be given single argument of Array|Object|String, or multiple String arguments';
+
+ switch (_.type(keys)) {
+ case "array":
+ if (arguments.length > 1) throw (new Error(mixedArgsMsg));
+ break;
+ case "object":
+ if (arguments.length > 1) throw (new Error(mixedArgsMsg));
+ keys = Object.keys(keys);
+ break;
+ default:
+ keys = Array.prototype.slice.call(arguments);
+ }
+
+ if (!keys.length) throw new Error('keys required');
+
+ var actual = Object.keys(obj)
+ , expected = keys
+ , len = keys.length
+ , any = flag(this, 'any')
+ , all = flag(this, 'all');
+
+ if (!any && !all) {
+ all = true;
+ }
+
+ // Has any
+ if (any) {
+ var intersection = expected.filter(function(key) {
+ return ~actual.indexOf(key);
+ });
+ ok = intersection.length > 0;
+ }
+
+ // Has all
+ if (all) {
+ ok = keys.every(function(key){
+ return ~actual.indexOf(key);
+ });
+ 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();
+ if (all) {
+ str = keys.join(', ') + ', and ' + last;
+ }
+ if (any) {
+ str = keys.join(', ') + ', or ' + 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
+ , expected.slice(0).sort()
+ , actual.sort()
+ , true
+ );
+ }
+
+ 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
+ * @returns error for chaining (null if no error)
+ * @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 = constructor.prototype.name || constructor.name;
+ if (name === 'Error' && constructor !== Error) {
+ 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 instanceof Error ? desiredError.toString() : desiredError)
+ , (err instanceof Error ? err.toString() : err)
+ );
+
+ flag(this, 'object', 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 instanceof Error ? err.toString() : err)
+ );
+
+ if (!errMsg) {
+ flag(this, 'object', err);
+ return this;
+ }
+ }
+
+ // next, check message
+ var message = 'error' === _.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
+ );
+
+ flag(this, 'object', err);
+ 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
+ );
+
+ flag(this, 'object', err);
+ return this;
+ } else {
+ thrown = true;
+ thrownError = err;
+ }
+ }
+
+ var actuallyGot = '';
+ var expectedThrown = 'an error';
+ if (name !== null) {
+ expectedThrown = name;
+ } else if (desiredError) {
+ expectedThrown = '#{exp}'; //_.inspect(desiredError)
+ }
+
+ 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 instanceof Error ? desiredError.toString() : desiredError)
+ , (thrownError instanceof Error ? thrownError.toString() : thrownError)
+ );
+
+ flag(this, 'object', 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');
+ var result = matcher(obj);
+ this.assert(
+ result
+ , 'expected #{this} to satisfy ' + _.objDisplay(matcher)
+ , 'expected #{this} to not satisfy' + _.objDisplay(matcher)
+ , this.negate ? false : true
+ , result
+ );
+ });
+
+ /**
+ * ### .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');
+
+ new Assertion(obj, msg).is.a('number');
+ if (_.type(expected) !== 'number' || _.type(delta) !== 'number') {
+ throw new Error('the arguments to closeTo must be numbers');
+ }
+
+ this.assert(
+ Math.abs(obj - expected) <= delta
+ , 'expected #{this} to be close to ' + expected + ' +/- ' + delta
+ , 'expected #{this} not to be close to ' + expected + ' +/- ' + delta
+ );
+ });
+
+ function isSubsetOf(subset, superset, cmp) {
+ return subset.every(function(elem) {
+ if (!cmp) return superset.indexOf(elem) !== -1;
+
+ return superset.some(function(elem2) {
+ return cmp(elem, elem2);
+ });
+ })
+ }
+
+ /**
+ * ### .members(set)
+ *
+ * Asserts that the target is a superset of `set`,
+ * or that the target and `set` have the same strictly-equal (===) members.
+ * Alternately, if the `deep` flag is set, set members are compared for deep
+ * equality.
+ *
+ * expect([1, 2, 3]).to.include.members([3, 2]);
+ * expect([1, 2, 3]).to.not.include.members([3, 2, 8]);
+ *
+ * expect([4, 2]).to.have.members([2, 4]);
+ * expect([5, 2]).to.not.have.members([5, 2, 1]);
+ *
+ * expect([{ id: 1 }]).to.deep.include.members([{ id: 1 }]);
+ *
+ * @name members
+ * @param {Array} set
+ * @param {String} message _optional_
+ * @api public
+ */
+
+ Assertion.addMethod('members', function (subset, msg) {
+ if (msg) flag(this, 'message', msg);
+ var obj = flag(this, 'object');
+
+ new Assertion(obj).to.be.an('array');
+ new Assertion(subset).to.be.an('array');
+
+ var cmp = flag(this, 'deep') ? _.eql : undefined;
+
+ if (flag(this, 'contains')) {
+ return this.assert(
+ isSubsetOf(subset, obj, cmp)
+ , 'expected #{this} to be a superset of #{act}'
+ , 'expected #{this} to not be a superset of #{act}'
+ , obj
+ , subset
+ );
+ }
+
+ this.assert(
+ isSubsetOf(obj, subset, cmp) && isSubsetOf(subset, obj, cmp)
+ , 'expected #{this} to have the same members as #{act}'
+ , 'expected #{this} to not have the same members as #{act}'
+ , obj
+ , subset
+ );
+ });
+
+ /**
+ * ### .change(function)
+ *
+ * Asserts that a function changes an object property
+ *
+ * var obj = { val: 10 };
+ * var fn = function() { obj.val += 3 };
+ * var noChangeFn = function() { return 'foo' + 'bar'; }
+ * expect(fn).to.change(obj, 'val');
+ * expect(noChangFn).to.not.change(obj, 'val')
+ *
+ * @name change
+ * @alias changes
+ * @alias Change
+ * @param {String} object
+ * @param {String} property name
+ * @param {String} message _optional_
+ * @api public
+ */
+
+ function assertChanges (object, prop, msg) {
+ if (msg) flag(this, 'message', msg);
+ var fn = flag(this, 'object');
+ new Assertion(object, msg).to.have.property(prop);
+ new Assertion(fn).is.a('function');
+
+ var initial = object[prop];
+ fn();
+
+ this.assert(
+ initial !== object[prop]
+ , 'expected .' + prop + ' to change'
+ , 'expected .' + prop + ' to not change'
+ );
+ }
+
+ Assertion.addChainableMethod('change', assertChanges);
+ Assertion.addChainableMethod('changes', assertChanges);
+
+ /**
+ * ### .increase(function)
+ *
+ * Asserts that a function increases an object property
+ *
+ * var obj = { val: 10 };
+ * var fn = function() { obj.val = 15 };
+ * expect(fn).to.increase(obj, 'val');
+ *
+ * @name increase
+ * @alias increases
+ * @alias Increase
+ * @param {String} object
+ * @param {String} property name
+ * @param {String} message _optional_
+ * @api public
+ */
+
+ function assertIncreases (object, prop, msg) {
+ if (msg) flag(this, 'message', msg);
+ var fn = flag(this, 'object');
+ new Assertion(object, msg).to.have.property(prop);
+ new Assertion(fn).is.a('function');
+
+ var initial = object[prop];
+ fn();
+
+ this.assert(
+ object[prop] - initial > 0
+ , 'expected .' + prop + ' to increase'
+ , 'expected .' + prop + ' to not increase'
+ );
+ }
+
+ Assertion.addChainableMethod('increase', assertIncreases);
+ Assertion.addChainableMethod('increases', assertIncreases);
+
+ /**
+ * ### .decrease(function)
+ *
+ * Asserts that a function decreases an object property
+ *
+ * var obj = { val: 10 };
+ * var fn = function() { obj.val = 5 };
+ * expect(fn).to.decrease(obj, 'val');
+ *
+ * @name decrease
+ * @alias decreases
+ * @alias Decrease
+ * @param {String} object
+ * @param {String} property name
+ * @param {String} message _optional_
+ * @api public
+ */
+
+ function assertDecreases (object, prop, msg) {
+ if (msg) flag(this, 'message', msg);
+ var fn = flag(this, 'object');
+ new Assertion(object, msg).to.have.property(prop);
+ new Assertion(fn).is.a('function');
+
+ var initial = object[prop];
+ fn();
+
+ this.assert(
+ object[prop] - initial < 0
+ , 'expected .' + prop + ' to decrease'
+ , 'expected .' + prop + ' to not decrease'
+ );
+ }
+
+ Assertion.addChainableMethod('decrease', assertDecreases);
+ Assertion.addChainableMethod('decreases', assertDecreases);
+
+};
+
+},{}],5:[function(require,module,exports){
+/*!
+ * chai
+ * Copyright(c) 2011-2014 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, null, chai.assert);
+ 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) {
+ message = message || 'assert.fail()';
+ throw new chai.AssertionError(message, {
+ actual: actual
+ , expected: expected
+ , operator: operator
+ }, 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;
+ };
+
+ /**
+ * ### .notOk(object, [message])
+ *
+ * Asserts that `object` is falsy.
+ *
+ * assert.notOk('everything', 'this will fail');
+ * assert.notOk(false, 'this will pass');
+ *
+ * @name notOk
+ * @param {Mixed} object to test
+ * @param {String} message
+ * @api public
+ */
+
+ assert.notOk = function (val, msg) {
+ new Assertion(val, msg).is.not.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, assert.equal);
+
+ 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, assert.notEqual);
+
+ 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.isAbove = function (val, abv, msg) {
+ new Assertion(val, msg).to.be.above(abv);
+ };
+
+ /**
+ * ### .isAbove(valueToCheck, valueToBeAbove, [message])
+ *
+ * Asserts `valueToCheck` is strictly greater than (>) `valueToBeAbove`
+ *
+ * assert.isAbove(5, 2, '5 is strictly greater than 2');
+ *
+ * @name isAbove
+ * @param {Mixed} valueToCheck
+ * @param {Mixed} valueToBeAbove
+ * @param {String} message
+ * @api public
+ */
+
+ assert.isBelow = function (val, blw, msg) {
+ new Assertion(val, msg).to.be.below(blw);
+ };
+
+ /**
+ * ### .isBelow(valueToCheck, valueToBeBelow, [message])
+ *
+ * Asserts `valueToCheck` is strictly less than (<) `valueToBeBelow`
+ *
+ * assert.isBelow(3, 6, '3 is strictly less than 6');
+ *
+ * @name isBelow
+ * @param {Mixed} valueToCheck
+ * @param {Mixed} valueToBeBelow
+ * @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 isDefined
+ * @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.isNotObject(selection, 'tea selection is not an object');
+ * assert.isNotObject(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) {
+ new Assertion(exp, msg, assert.include).include(inc);
+ };
+
+ /**
+ * ### .notInclude(haystack, needle, [message])
+ *
+ * Asserts that `haystack` does not include `needle`. Works
+ * for strings and arrays.
+ *
+ * assert.notInclude('foobar', 'baz', 'string not include substring');
+ * assert.notInclude([ 1, 2, 3 ], 4, 'array not include contain value');
+ *
+ * @name notInclude
+ * @param {Array|String} haystack
+ * @param {Mixed} needle
+ * @param {String} message
+ * @api public
+ */
+
+ assert.notInclude = function (exp, inc, msg) {
+ new Assertion(exp, msg, assert.notInclude).not.include(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;
+ }
+
+ var assertErr = new Assertion(fn, msg).to.Throw(errt, errs);
+ return flag(assertErr, 'object');
+ };
+
+ /**
+ * ### .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) {
+ var ok;
+ switch(operator) {
+ case '==':
+ ok = val == val2;
+ break;
+ case '===':
+ ok = val === val2;
+ break;
+ case '>':
+ ok = val > val2;
+ break;
+ case '>=':
+ ok = val >= val2;
+ break;
+ case '<':
+ ok = val < val2;
+ break;
+ case '<=':
+ ok = val <= val2;
+ break;
+ case '!=':
+ ok = val != val2;
+ break;
+ case '!==':
+ ok = val !== val2;
+ break;
+ default:
+ throw new Error('Invalid operator "' + operator + '"');
+ }
+ var test = new Assertion(ok, 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);
+ };
+
+ /**
+ * ### .sameMembers(set1, set2, [message])
+ *
+ * Asserts that `set1` and `set2` have the same members.
+ * Order is not taken into account.
+ *
+ * assert.sameMembers([ 1, 2, 3 ], [ 2, 1, 3 ], 'same members');
+ *
+ * @name sameMembers
+ * @param {Array} set1
+ * @param {Array} set2
+ * @param {String} message
+ * @api public
+ */
+
+ assert.sameMembers = function (set1, set2, msg) {
+ new Assertion(set1, msg).to.have.same.members(set2);
+ }
+
+ /**
+ * ### .sameDeepMembers(set1, set2, [message])
+ *
+ * Asserts that `set1` and `set2` have the same members - using a deep equality checking.
+ * Order is not taken into account.
+ *
+ * assert.sameDeepMembers([ {b: 3}, {a: 2}, {c: 5} ], [ {c: 5}, {b: 3}, {a: 2} ], 'same deep members');
+ *
+ * @name sameDeepMembers
+ * @param {Array} set1
+ * @param {Array} set2
+ * @param {String} message
+ * @api public
+ */
+
+ assert.sameDeepMembers = function (set1, set2, msg) {
+ new Assertion(set1, msg).to.have.same.deep.members(set2);
+ }
+
+ /**
+ * ### .includeMembers(superset, subset, [message])
+ *
+ * Asserts that `subset` is included in `superset`.
+ * Order is not taken into account.
+ *
+ * assert.includeMembers([ 1, 2, 3 ], [ 2, 1 ], 'include members');
+ *
+ * @name includeMembers
+ * @param {Array} superset
+ * @param {Array} subset
+ * @param {String} message
+ * @api public
+ */
+
+ assert.includeMembers = function (superset, subset, msg) {
+ new Assertion(superset, msg).to.include.members(subset);
+ }
+
+ /**
+ * ### .changes(function, object, property)
+ *
+ * Asserts that a function changes the value of a property
+ *
+ * var obj = { val: 10 };
+ * var fn = function() { obj.val = 22 };
+ * assert.changes(fn, obj, 'val');
+ *
+ * @name changes
+ * @param {Function} modifier function
+ * @param {Object} object
+ * @param {String} property name
+ * @param {String} message _optional_
+ * @api public
+ */
+
+ assert.changes = function (fn, obj, prop) {
+ new Assertion(fn).to.change(obj, prop);
+ }
+
+ /**
+ * ### .doesNotChange(function, object, property)
+ *
+ * Asserts that a function does not changes the value of a property
+ *
+ * var obj = { val: 10 };
+ * var fn = function() { console.log('foo'); };
+ * assert.doesNotChange(fn, obj, 'val');
+ *
+ * @name doesNotChange
+ * @param {Function} modifier function
+ * @param {Object} object
+ * @param {String} property name
+ * @param {String} message _optional_
+ * @api public
+ */
+
+ assert.doesNotChange = function (fn, obj, prop) {
+ new Assertion(fn).to.not.change(obj, prop);
+ }
+
+ /**
+ * ### .increases(function, object, property)
+ *
+ * Asserts that a function increases an object property
+ *
+ * var obj = { val: 10 };
+ * var fn = function() { obj.val = 13 };
+ * assert.increases(fn, obj, 'val');
+ *
+ * @name increases
+ * @param {Function} modifier function
+ * @param {Object} object
+ * @param {String} property name
+ * @param {String} message _optional_
+ * @api public
+ */
+
+ assert.increases = function (fn, obj, prop) {
+ new Assertion(fn).to.increase(obj, prop);
+ }
+
+ /**
+ * ### .doesNotIncrease(function, object, property)
+ *
+ * Asserts that a function does not increase object property
+ *
+ * var obj = { val: 10 };
+ * var fn = function() { obj.val = 8 };
+ * assert.doesNotIncrease(fn, obj, 'val');
+ *
+ * @name doesNotIncrease
+ * @param {Function} modifier function
+ * @param {Object} object
+ * @param {String} property name
+ * @param {String} message _optional_
+ * @api public
+ */
+
+ assert.doesNotIncrease = function (fn, obj, prop) {
+ new Assertion(fn).to.not.increase(obj, prop);
+ }
+
+ /**
+ * ### .decreases(function, object, property)
+ *
+ * Asserts that a function decreases an object property
+ *
+ * var obj = { val: 10 };
+ * var fn = function() { obj.val = 5 };
+ * assert.decreases(fn, obj, 'val');
+ *
+ * @name decreases
+ * @param {Function} modifier function
+ * @param {Object} object
+ * @param {String} property name
+ * @param {String} message _optional_
+ * @api public
+ */
+
+ assert.decreases = function (fn, obj, prop) {
+ new Assertion(fn).to.decrease(obj, prop);
+ }
+
+ /**
+ * ### .doesNotDecrease(function, object, property)
+ *
+ * Asserts that a function does not decreases an object property
+ *
+ * var obj = { val: 10 };
+ * var fn = function() { obj.val = 15 };
+ * assert.doesNotDecrease(fn, obj, 'val');
+ *
+ * @name doesNotDecrease
+ * @param {Function} modifier function
+ * @param {Object} object
+ * @param {String} property name
+ * @param {String} message _optional_
+ * @api public
+ */
+
+ assert.doesNotDecrease = function (fn, obj, prop) {
+ new Assertion(fn).to.not.decrease(obj, prop);
+ }
+
+ /*!
+ * ### .ifError(object)
+ *
+ * Asserts if value is not a false value, and throws if it is a true value.
+ * This is added to allow for chai to be a drop-in replacement for Node's
+ * assert class.
+ *
+ * var err = new Error('I am a custom error');
+ * assert.ifError(err); // Rethrows err!
+ *
+ * @name ifError
+ * @param {Object} object
+ * @api public
+ */
+
+ assert.ifError = function (val) {
+ if (val) {
+ throw(val);
+ }
+ };
+
+ /*!
+ * Aliases.
+ */
+
+ (function alias(name, as){
+ assert[as] = assert[name];
+ return alias;
+ })('Throw', 'throw')('Throw', 'throws');
+};
+
+},{}],6:[function(require,module,exports){
+/*!
+ * chai
+ * Copyright(c) 2011-2014 Jake Luer <jake@alogicalparadox.com>
+ * MIT Licensed
+ */
+
+module.exports = function (chai, util) {
+ chai.expect = function (val, message) {
+ return new chai.Assertion(val, message);
+ };
+
+ /**
+ * ### .fail(actual, expected, [message], [operator])
+ *
+ * Throw a failure.
+ *
+ * @name fail
+ * @param {Mixed} actual
+ * @param {Mixed} expected
+ * @param {String} message
+ * @param {String} operator
+ * @api public
+ */
+
+ chai.expect.fail = function (actual, expected, message, operator) {
+ message = message || 'expect.fail()';
+ throw new chai.AssertionError(message, {
+ actual: actual
+ , expected: expected
+ , operator: operator
+ }, chai.expect.fail);
+ };
+};
+
+},{}],7:[function(require,module,exports){
+/*!
+ * chai
+ * Copyright(c) 2011-2014 Jake Luer <jake@alogicalparadox.com>
+ * MIT Licensed
+ */
+
+module.exports = function (chai, util) {
+ var Assertion = chai.Assertion;
+
+ function loadShould () {
+ // explicitly define this method as function as to have it's name to include as `ssfi`
+ function shouldGetter() {
+ if (this instanceof String || this instanceof Number || this instanceof Boolean ) {
+ return new Assertion(this.valueOf(), null, shouldGetter);
+ }
+ return new Assertion(this, null, shouldGetter);
+ }
+ function shouldSetter(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
+ });
+ }
+ // modify Object.prototype to have `should`
+ Object.defineProperty(Object.prototype, 'should', {
+ set: shouldSetter
+ , get: shouldGetter
+ , configurable: true
+ });
+
+ var should = {};
+
+ /**
+ * ### .fail(actual, expected, [message], [operator])
+ *
+ * Throw a failure.
+ *
+ * @name fail
+ * @param {Mixed} actual
+ * @param {Mixed} expected
+ * @param {String} message
+ * @param {String} operator
+ * @api public
+ */
+
+ should.fail = function (actual, expected, message, operator) {
+ message = message || 'should.fail()';
+ throw new chai.AssertionError(message, {
+ actual: actual
+ , expected: expected
+ , operator: operator
+ }, should.fail);
+ };
+
+ 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;
+};
+
+},{}],8:[function(require,module,exports){
+/*!
+ * Chai - addChainingMethod utility
+ * Copyright(c) 2012-2014 Jake Luer <jake@alogicalparadox.com>
+ * MIT Licensed
+ */
+
+/*!
+ * Module dependencies
+ */
+
+var transferFlags = require('./transferFlags');
+var flag = require('./flag');
+var config = require('../config');
+
+/*!
+ * 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)$/;
+
+// Cache `Function` properties
+var call = Function.prototype.call,
+ apply = Function.prototype.apply;
+
+/**
+ * ### 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 () { };
+ }
+
+ var chainableBehavior = {
+ method: method
+ , chainingBehavior: chainingBehavior
+ };
+
+ // save the methods so we can overwrite them later, if we need to.
+ if (!ctx.__methods) {
+ ctx.__methods = {};
+ }
+ ctx.__methods[name] = chainableBehavior;
+
+ Object.defineProperty(ctx, name,
+ { get: function () {
+ chainableBehavior.chainingBehavior.call(this);
+
+ var assert = function assert() {
+ var old_ssfi = flag(this, 'ssfi');
+ if (old_ssfi && config.includeStack === false)
+ flag(this, 'ssfi', assert);
+ var result = chainableBehavior.method.apply(this, arguments);
+ return result === undefined ? this : result;
+ };
+
+ // Use `__proto__` if available
+ if (hasProtoSupport) {
+ // Inherit all properties from the object by replacing the `Function` prototype
+ var prototype = assert.__proto__ = Object.create(this);
+ // Restore the `call` and `apply` methods from `Function`
+ prototype.call = call;
+ prototype.apply = apply;
+ }
+ // 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
+ });
+};
+
+},{"../config":3,"./flag":11,"./transferFlags":27}],9:[function(require,module,exports){
+/*!
+ * Chai - addMethod utility
+ * Copyright(c) 2012-2014 Jake Luer <jake@alogicalparadox.com>
+ * MIT Licensed
+ */
+
+var config = require('../config');
+
+/**
+ * ### .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
+ */
+var flag = require('./flag');
+
+module.exports = function (ctx, name, method) {
+ ctx[name] = function () {
+ var old_ssfi = flag(this, 'ssfi');
+ if (old_ssfi && config.includeStack === false)
+ flag(this, 'ssfi', ctx[name]);
+ var result = method.apply(this, arguments);
+ return result === undefined ? this : result;
+ };
+};
+
+},{"../config":3,"./flag":11}],10:[function(require,module,exports){
+/*!
+ * Chai - addProperty utility
+ * Copyright(c) 2012-2014 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
+ });
+};
+
+},{}],11:[function(require,module,exports){
+/*!
+ * Chai - flag utility
+ * Copyright(c) 2012-2014 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];
+ }
+};
+
+},{}],12:[function(require,module,exports){
+/*!
+ * Chai - getActual utility
+ * Copyright(c) 2012-2014 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) {
+ return args.length > 4 ? args[4] : obj._obj;
+};
+
+},{}],13:[function(require,module,exports){
+/*!
+ * Chai - getEnumerableProperties utility
+ * Copyright(c) 2012-2014 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;
+};
+
+},{}],14:[function(require,module,exports){
+/*!
+ * Chai - message composition utility
+ * Copyright(c) 2012-2014 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.
+ *
+ * Message 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');
+
+ if(typeof msg === "function") msg = msg();
+ msg = msg || '';
+ msg = msg
+ .replace(/#{this}/g, objDisplay(val))
+ .replace(/#{act}/g, objDisplay(actual))
+ .replace(/#{exp}/g, objDisplay(expected));
+
+ return flagMsg ? flagMsg + ': ' + msg : msg;
+};
+
+},{"./flag":11,"./getActual":12,"./inspect":21,"./objDisplay":22}],15:[function(require,module,exports){
+/*!
+ * Chai - getName utility
+ * Copyright(c) 2012-2014 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] : "";
+};
+
+},{}],16:[function(require,module,exports){
+/*!
+ * Chai - getPathInfo utility
+ * Copyright(c) 2012-2014 Jake Luer <jake@alogicalparadox.com>
+ * MIT Licensed
+ */
+
+var hasProperty = require('./hasProperty');
+
+/**
+ * ### .getPathInfo(path, object)
+ *
+ * This allows the retrieval of property info in an
+ * object given a string path.
+ *
+ * The path info consists of an object with the
+ * following properties:
+ *
+ * * parent - The parent object of the property referenced by `path`
+ * * name - The name of the final property, a number if it was an array indexer
+ * * value - The value of the property, if it exists, otherwise `undefined`
+ * * exists - Whether the property exists or not
+ *
+ * @param {String} path
+ * @param {Object} object
+ * @returns {Object} info
+ * @name getPathInfo
+ * @api public
+ */
+
+module.exports = function getPathInfo(path, obj) {
+ var parsed = parsePath(path),
+ last = parsed[parsed.length - 1];
+
+ var info = {
+ parent: parsed.length > 1 ? _getPathValue(parsed, obj, parsed.length - 1) : obj,
+ name: last.p || last.i,
+ value: _getPathValue(parsed, obj)
+ };
+ info.exists = hasProperty(info.name, info.parent);
+
+ return info;
+};
+
+
+/*!
+ * ## 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`.
+ * * Literal dots and brackets (not delimiter) must be backslash-escaped.
+ *
+ * @param {String} path
+ * @returns {Object} parsed
+ * @api private
+ */
+
+function parsePath (path) {
+ var str = path.replace(/([^\\])\[/g, '$1.[')
+ , 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.replace(/\\([.\[\]])/g, '$1') };
+ });
+}
+
+
+/*!
+ * ## _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
+ * @param {Number} object to search against
+ * @returns {Object|Undefined} value
+ * @api private
+ */
+
+function _getPathValue (parsed, obj, index) {
+ var tmp = obj
+ , res;
+
+ index = (index === undefined ? parsed.length : index);
+
+ for (var i = 0, l = index; 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;
+}
+
+},{"./hasProperty":19}],17:[function(require,module,exports){
+/*!
+ * Chai - getPathValue utility
+ * Copyright(c) 2012-2014 Jake Luer <jake@alogicalparadox.com>
+ * @see https://github.com/logicalparadox/filtr
+ * MIT Licensed
+ */
+
+var getPathInfo = require('./getPathInfo');
+
+/**
+ * ### .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
+ */
+module.exports = function(path, obj) {
+ var info = getPathInfo(path, obj);
+ return info.value;
+};
+
+},{"./getPathInfo":16}],18:[function(require,module,exports){
+/*!
+ * Chai - getProperties utility
+ * Copyright(c) 2012-2014 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;
+};
+
+},{}],19:[function(require,module,exports){
+/*!
+ * Chai - hasProperty utility
+ * Copyright(c) 2012-2014 Jake Luer <jake@alogicalparadox.com>
+ * MIT Licensed
+ */
+
+var type = require('type-detect');
+
+/**
+ * ### .hasProperty(object, name)
+ *
+ * This allows checking whether an object has
+ * named property or numeric array index.
+ *
+ * Basically does the same thing as the `in`
+ * operator but works properly with natives
+ * and null/undefined values.
+ *
+ * var obj = {
+ * arr: ['a', 'b', 'c']
+ * , str: 'Hello'
+ * }
+ *
+ * The following would be the results.
+ *
+ * hasProperty('str', obj); // true
+ * hasProperty('constructor', obj); // true
+ * hasProperty('bar', obj); // false
+ *
+ * hasProperty('length', obj.str); // true
+ * hasProperty(1, obj.str); // true
+ * hasProperty(5, obj.str); // false
+ *
+ * hasProperty('length', obj.arr); // true
+ * hasProperty(2, obj.arr); // true
+ * hasProperty(3, obj.arr); // false
+ *
+ * @param {Objuect} object
+ * @param {String|Number} name
+ * @returns {Boolean} whether it exists
+ * @name getPathInfo
+ * @api public
+ */
+
+var literals = {
+ 'number': Number
+ , 'string': String
+};
+
+module.exports = function hasProperty(name, obj) {
+ var ot = type(obj);
+
+ // Bad Object, obviously no props at all
+ if(ot === 'null' || ot === 'undefined')
+ return false;
+
+ // The `in` operator does not work with certain literals
+ // box these before the check
+ if(literals[ot] && typeof obj !== 'object')
+ obj = new literals[ot](obj);
+
+ return name in obj;
+};
+
+},{"type-detect":33}],20:[function(require,module,exports){
+/*!
+ * chai
+ * Copyright(c) 2011 Jake Luer <jake@alogicalparadox.com>
+ * MIT Licensed
+ */
+
+/*!
+ * Main exports
+ */
+
+exports = module.exports = {};
+
+/*!
+ * test utility
+ */
+
+exports.test = require('./test');
+
+/*!
+ * type utility
+ */
+
+exports.type = require('type-detect');
+
+/*!
+ * 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('deep-eql');
+
+/*!
+ * Deep path value
+ */
+
+exports.getPathValue = require('./getPathValue');
+
+/*!
+ * Deep path info
+ */
+
+exports.getPathInfo = require('./getPathInfo');
+
+/*!
+ * Check if a property exists
+ */
+
+exports.hasProperty = require('./hasProperty');
+
+/*!
+ * 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');
+
+/*!
+ * Overwrite chainable method
+ */
+
+exports.overwriteChainableMethod = require('./overwriteChainableMethod');
+
+
+},{"./addChainableMethod":8,"./addMethod":9,"./addProperty":10,"./flag":11,"./getActual":12,"./getMessage":14,"./getName":15,"./getPathInfo":16,"./getPathValue":17,"./hasProperty":19,"./inspect":21,"./objDisplay":22,"./overwriteChainableMethod":23,"./overwriteMethod":24,"./overwriteProperty":25,"./test":26,"./transferFlags":27,"deep-eql":29,"type-detect":33}],21:[function(require,module,exports){
+// 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));
+}
+
+// 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)) {
+ var ret = value.inspect(recurseTimes);
+ if (typeof ret !== 'string') {
+ ret = formatValue(ctx, ret, recurseTimes);
+ }
+ return ret;
+ }
+
+ // Primitive types cannot have properties
+ var primitive = formatPrimitive(ctx, value);
+ if (primitive) {
+ return primitive;
+ }
+
+ // If this is a DOM element, try to get the outer HTML.
+ if (isDOMElement(value)) {
+ if ('outerHTML' in value) {
+ return value.outerHTML;
+ // This value does not have an outerHTML attribute,
+ // it could still be an XML element
+ } else {
+ // Attempt to serialize it
+ try {
+ if (document.xmlVersion) {
+ var xmlSerializer = new XMLSerializer();
+ return xmlSerializer.serializeToString(value);
+ } else {
+ // Firefox 11- do not support outerHTML
+ // It does, however, support innerHTML
+ // Use the following to render the element
+ var ns = "http://www.w3.org/1999/xhtml";
+ var container = document.createElementNS(ns, '_');
+
+ container.appendChild(value.cloneNode(false));
+ html = container.innerHTML
+ .replace('><', '>' + value.innerHTML + '<');
+ container.innerHTML = '';
+ return html;
+ }
+ } catch (err) {
+ // This could be a non-native DOM implementation,
+ // continue with the normal flow:
+ // printing the element as if it is an object.
+ }
+ }
+ }
+
+ // 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') {
+ name = getName(value);
+ 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':
+ if (value === 0 && (1/value) === -Infinity) {
+ return ctx.stylize('-0', '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);
+}
+
+},{"./getEnumerableProperties":13,"./getName":15,"./getProperties":18}],22:[function(require,module,exports){
+/*!
+ * Chai - flag utility
+ * Copyright(c) 2012-2014 Jake Luer <jake@alogicalparadox.com>
+ * MIT Licensed
+ */
+
+/*!
+ * Module dependancies
+ */
+
+var inspect = require('./inspect');
+var config = require('../config');
+
+/**
+ * ### .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 (config.truncateThreshold && str.length >= config.truncateThreshold) {
+ 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;
+ }
+};
+
+},{"../config":3,"./inspect":21}],23:[function(require,module,exports){
+/*!
+ * Chai - overwriteChainableMethod utility
+ * Copyright(c) 2012-2014 Jake Luer <jake@alogicalparadox.com>
+ * MIT Licensed
+ */
+
+/**
+ * ### overwriteChainableMethod (ctx, name, method, chainingBehavior)
+ *
+ * Overwites an already existing chainable method
+ * and provides access to the previous function or
+ * property. Must return functions to be used for
+ * name.
+ *
+ * utils.overwriteChainableMethod(chai.Assertion.prototype, 'length',
+ * function (_super) {
+ * }
+ * , function (_super) {
+ * }
+ * );
+ *
+ * Can also be accessed directly from `chai.Assertion`.
+ *
+ * chai.Assertion.overwriteChainableMethod('foo', fn, fn);
+ *
+ * Then can be used as any other assertion.
+ *
+ * expect(myFoo).to.have.length(3);
+ * expect(myFoo).to.have.length.above(3);
+ *
+ * @param {Object} ctx object whose method / property is to be overwritten
+ * @param {String} name of method / property to overwrite
+ * @param {Function} method function that returns a function to be used for name
+ * @param {Function} chainingBehavior function that returns a function to be used for property
+ * @name overwriteChainableMethod
+ * @api public
+ */
+
+module.exports = function (ctx, name, method, chainingBehavior) {
+ var chainableBehavior = ctx.__methods[name];
+
+ var _chainingBehavior = chainableBehavior.chainingBehavior;
+ chainableBehavior.chainingBehavior = function () {
+ var result = chainingBehavior(_chainingBehavior).call(this);
+ return result === undefined ? this : result;
+ };
+
+ var _method = chainableBehavior.method;
+ chainableBehavior.method = function () {
+ var result = method(_method).apply(this, arguments);
+ return result === undefined ? this : result;
+ };
+};
+
+},{}],24:[function(require,module,exports){
+/*!
+ * Chai - overwriteMethod utility
+ * Copyright(c) 2012-2014 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;
+ }
+};
+
+},{}],25:[function(require,module,exports){
+/*!
+ * Chai - overwriteProperty utility
+ * Copyright(c) 2012-2014 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
+ });
+};
+
+},{}],26:[function(require,module,exports){
+/*!
+ * Chai - test utility
+ * Copyright(c) 2012-2014 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;
+};
+
+},{"./flag":11}],27:[function(require,module,exports){
+/*!
+ * Chai - transferFlags utility
+ * Copyright(c) 2012-2014 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 to; usually a new assertion
+ * @param {Boolean} includeAll
+ * @name transferFlags
+ * @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];
+ }
+ }
+};
+
+},{}],28:[function(require,module,exports){
+/*!
+ * assertion-error
+ * Copyright(c) 2013 Jake Luer <jake@qualiancy.com>
+ * MIT Licensed
+ */
+
+/*!
+ * Return a function that will copy properties from
+ * one object to another excluding any originally
+ * listed. Returned function will create a new `{}`.
+ *
+ * @param {String} excluded properties ...
+ * @return {Function}
+ */
+
+function exclude () {
+ var excludes = [].slice.call(arguments);
+
+ function excludeProps (res, obj) {
+ Object.keys(obj).forEach(function (key) {
+ if (!~excludes.indexOf(key)) res[key] = obj[key];
+ });
+ }
+
+ return function extendExclude () {
+ var args = [].slice.call(arguments)
+ , i = 0
+ , res = {};
+
+ for (; i < args.length; i++) {
+ excludeProps(res, args[i]);
+ }
+
+ return res;
+ };
+}
+
+/*!
+ * Primary Exports
+ */
+
+module.exports = AssertionError;
+
+/**
+ * ### AssertionError
+ *
+ * An extension of the JavaScript `Error` constructor for
+ * assertion and validation scenarios.
+ *
+ * @param {String} message
+ * @param {Object} properties to include (optional)
+ * @param {callee} start stack function (optional)
+ */
+
+function AssertionError (message, _props, ssf) {
+ var extend = exclude('name', 'message', 'stack', 'constructor', 'toJSON')
+ , props = extend(_props || {});
+
+ // default values
+ this.message = message || 'Unspecified AssertionError';
+ this.showDiff = false;
+
+ // copy from properties
+ for (var key in props) {
+ this[key] = props[key];
+ }
+
+ // capture stack trace
+ ssf = ssf || arguments.callee;
+ if (ssf && Error.captureStackTrace) {
+ Error.captureStackTrace(this, ssf);
+ } else {
+ this.stack = new Error().stack;
+ }
+}
+
+/*!
+ * Inherit from Error.prototype
+ */
+
+AssertionError.prototype = Object.create(Error.prototype);
+
+/*!
+ * Statically set name
+ */
+
+AssertionError.prototype.name = 'AssertionError';
+
+/*!
+ * Ensure correct constructor
+ */
+
+AssertionError.prototype.constructor = AssertionError;
+
+/**
+ * Allow errors to be converted to JSON for static transfer.
+ *
+ * @param {Boolean} include stack (default: `true`)
+ * @return {Object} object that can be `JSON.stringify`
+ */
+
+AssertionError.prototype.toJSON = function (stack) {
+ var extend = exclude('constructor', 'toJSON', 'stack')
+ , props = extend({ name: this.name }, this);
+
+ // include stack if exists and not turned off
+ if (false !== stack && this.stack) {
+ props.stack = this.stack;
+ }
+
+ return props;
+};
+
+},{}],29:[function(require,module,exports){
+module.exports = require('./lib/eql');
+
+},{"./lib/eql":30}],30:[function(require,module,exports){
+/*!
+ * deep-eql
+ * Copyright(c) 2013 Jake Luer <jake@alogicalparadox.com>
+ * MIT Licensed
+ */
+
+/*!
+ * Module dependencies
+ */
+
+var type = require('type-detect');
+
+/*!
+ * Buffer.isBuffer browser shim
+ */
+
+var Buffer;
+try { Buffer = require('buffer').Buffer; }
+catch(ex) {
+ Buffer = {};
+ Buffer.isBuffer = function() { return false; }
+}
+
+/*!
+ * Primary Export
+ */
+
+module.exports = deepEqual;
+
+/**
+ * Assert super-strict (egal) equality between
+ * two objects of any type.
+ *
+ * @param {Mixed} a
+ * @param {Mixed} b
+ * @param {Array} memoised (optional)
+ * @return {Boolean} equal match
+ */
+
+function deepEqual(a, b, m) {
+ if (sameValue(a, b)) {
+ return true;
+ } else if ('date' === type(a)) {
+ return dateEqual(a, b);
+ } else if ('regexp' === type(a)) {
+ return regexpEqual(a, b);
+ } else if (Buffer.isBuffer(a)) {
+ return bufferEqual(a, b);
+ } else if ('arguments' === type(a)) {
+ return argumentsEqual(a, b, m);
+ } else if (!typeEqual(a, b)) {
+ return false;
+ } else if (('object' !== type(a) && 'object' !== type(b))
+ && ('array' !== type(a) && 'array' !== type(b))) {
+ return sameValue(a, b);
+ } else {
+ return objectEqual(a, b, m);
+ }
+}
+
+/*!
+ * Strict (egal) equality test. Ensures that NaN always
+ * equals NaN and `-0` does not equal `+0`.
+ *
+ * @param {Mixed} a
+ * @param {Mixed} b
+ * @return {Boolean} equal match
+ */
+
+function sameValue(a, b) {
+ if (a === b) return a !== 0 || 1 / a === 1 / b;
+ return isNaN(a) && isNaN(b);
+}
+
+/*!
+ * Compare the types of two given objects and
+ * return if they are equal. Note that an Array
+ * has a type of `array` (not `object`) and arguments
+ * have a type of `arguments` (not `array`/`object`).
+ *
+ * @param {Mixed} a
+ * @param {Mixed} b
+ * @return {Boolean} result
+ */
+
+function typeEqual(a, b) {
+ return type(a) === type(b);
+}
+
+/*!
+ * Compare two Date objects by asserting that
+ * the time values are equal using `saveValue`.
+ *
+ * @param {Date} a
+ * @param {Date} b
+ * @return {Boolean} result
+ */
+
+function dateEqual(a, b) {
+ if ('date' !== type(b)) return false;
+ return sameValue(a.getTime(), b.getTime());
+}
+
+/*!
+ * Compare two regular expressions by converting them
+ * to string and checking for `sameValue`.
+ *
+ * @param {RegExp} a
+ * @param {RegExp} b
+ * @return {Boolean} result
+ */
+
+function regexpEqual(a, b) {
+ if ('regexp' !== type(b)) return false;
+ return sameValue(a.toString(), b.toString());
+}
+
+/*!
+ * Assert deep equality of two `arguments` objects.
+ * Unfortunately, these must be sliced to arrays
+ * prior to test to ensure no bad behavior.
+ *
+ * @param {Arguments} a
+ * @param {Arguments} b
+ * @param {Array} memoize (optional)
+ * @return {Boolean} result
+ */
+
+function argumentsEqual(a, b, m) {
+ if ('arguments' !== type(b)) return false;
+ a = [].slice.call(a);
+ b = [].slice.call(b);
+ return deepEqual(a, b, m);
+}
+
+/*!
+ * Get enumerable properties of a given object.
+ *
+ * @param {Object} a
+ * @return {Array} property names
+ */
+
+function enumerable(a) {
+ var res = [];
+ for (var key in a) res.push(key);
+ return res;
+}
+
+/*!
+ * Simple equality for flat iterable objects
+ * such as Arrays or Node.js buffers.
+ *
+ * @param {Iterable} a
+ * @param {Iterable} b
+ * @return {Boolean} result
+ */
+
+function iterableEqual(a, b) {
+ if (a.length !== b.length) return false;
+
+ var i = 0;
+ var match = true;
+
+ for (; i < a.length; i++) {
+ if (a[i] !== b[i]) {
+ match = false;
+ break;
+ }
+ }
+
+ return match;
+}
+
+/*!
+ * Extension to `iterableEqual` specifically
+ * for Node.js Buffers.
+ *
+ * @param {Buffer} a
+ * @param {Mixed} b
+ * @return {Boolean} result
+ */
+
+function bufferEqual(a, b) {
+ if (!Buffer.isBuffer(b)) return false;
+ return iterableEqual(a, b);
+}
+
+/*!
+ * Block for `objectEqual` ensuring non-existing
+ * values don't get in.
+ *
+ * @param {Mixed} object
+ * @return {Boolean} result
+ */
+
+function isValue(a) {
+ return a !== null && a !== undefined;
+}
+
+/*!
+ * Recursively check the equality of two objects.
+ * Once basic sameness has been established it will
+ * defer to `deepEqual` for each enumerable key
+ * in the object.
+ *
+ * @param {Mixed} a
+ * @param {Mixed} b
+ * @return {Boolean} result
+ */
+
+function objectEqual(a, b, m) {
+ if (!isValue(a) || !isValue(b)) {
+ return false;
+ }
+
+ if (a.prototype !== b.prototype) {
+ return false;
+ }
+
+ var i;
+ if (m) {
+ for (i = 0; i < m.length; i++) {
+ if ((m[i][0] === a && m[i][1] === b)
+ || (m[i][0] === b && m[i][1] === a)) {
+ return true;
+ }
+ }
+ } else {
+ m = [];
+ }
+
+ try {
+ var ka = enumerable(a);
+ var kb = enumerable(b);
+ } catch (ex) {
+ return false;
+ }
+
+ ka.sort();
+ kb.sort();
+
+ if (!iterableEqual(ka, kb)) {
+ return false;
+ }
+
+ m.push([ a, b ]);
+
+ var key;
+ for (i = ka.length - 1; i >= 0; i--) {
+ key = ka[i];
+ if (!deepEqual(a[key], b[key], m)) {
+ return false;
+ }
+ }
+
+ return true;
+}
+
+},{"buffer":undefined,"type-detect":31}],31:[function(require,module,exports){
+module.exports = require('./lib/type');
+
+},{"./lib/type":32}],32:[function(require,module,exports){
+/*!
+ * type-detect
+ * Copyright(c) 2013 jake luer <jake@alogicalparadox.com>
+ * MIT Licensed
+ */
+
+/*!
+ * Primary Exports
+ */
+
+exports = module.exports = getType;
+
+/*!
+ * Detectable javascript natives
+ */
+
+var natives = {
+ '[object Array]': 'array'
+ , '[object RegExp]': 'regexp'
+ , '[object Function]': 'function'
+ , '[object Arguments]': 'arguments'
+ , '[object Date]': 'date'
+};
+
+/**
+ * ### typeOf (obj)
+ *
+ * Use several different techniques to determine
+ * the type of object being tested.
+ *
+ *
+ * @param {Mixed} object
+ * @return {String} object type
+ * @api public
+ */
+
+function getType (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;
+}
+
+exports.Library = Library;
+
+/**
+ * ### Library
+ *
+ * Create a repository for custom type detection.
+ *
+ * ```js
+ * var lib = new type.Library;
+ * ```
+ *
+ */
+
+function Library () {
+ this.tests = {};
+}
+
+/**
+ * #### .of (obj)
+ *
+ * Expose replacement `typeof` detection to the library.
+ *
+ * ```js
+ * if ('string' === lib.of('hello world')) {
+ * // ...
+ * }
+ * ```
+ *
+ * @param {Mixed} object to test
+ * @return {String} type
+ */
+
+Library.prototype.of = getType;
+
+/**
+ * #### .define (type, test)
+ *
+ * Add a test to for the `.test()` assertion.
+ *
+ * Can be defined as a regular expression:
+ *
+ * ```js
+ * lib.define('int', /^[0-9]+$/);
+ * ```
+ *
+ * ... or as a function:
+ *
+ * ```js
+ * lib.define('bln', function (obj) {
+ * if ('boolean' === lib.of(obj)) return true;
+ * var blns = [ 'yes', 'no', 'true', 'false', 1, 0 ];
+ * if ('string' === lib.of(obj)) obj = obj.toLowerCase();
+ * return !! ~blns.indexOf(obj);
+ * });
+ * ```
+ *
+ * @param {String} type
+ * @param {RegExp|Function} test
+ * @api public
+ */
+
+Library.prototype.define = function (type, test) {
+ if (arguments.length === 1) return this.tests[type];
+ this.tests[type] = test;
+ return this;
+};
+
+/**
+ * #### .test (obj, test)
+ *
+ * Assert that an object is of type. Will first
+ * check natives, and if that does not pass it will
+ * use the user defined custom tests.
+ *
+ * ```js
+ * assert(lib.test('1', 'int'));
+ * assert(lib.test('yes', 'bln'));
+ * ```
+ *
+ * @param {Mixed} object
+ * @param {String} type
+ * @return {Boolean} result
+ * @api public
+ */
+
+Library.prototype.test = function (obj, type) {
+ if (type === getType(obj)) return true;
+ var test = this.tests[type];
+
+ if (test && 'regexp' === getType(test)) {
+ return test.test(obj);
+ } else if (test && 'function' === getType(test)) {
+ return test(obj);
+ } else {
+ throw new ReferenceError('Type test "' + type + '" not defined or invalid.');
+ }
+};
+
+},{}],33:[function(require,module,exports){
+arguments[4][31][0].apply(exports,arguments)
+},{"./lib/type":34,"dup":31}],34:[function(require,module,exports){
+/*!
+ * type-detect
+ * Copyright(c) 2013 jake luer <jake@alogicalparadox.com>
+ * MIT Licensed
+ */
+
+/*!
+ * Primary Exports
+ */
+
+exports = module.exports = getType;
+
+/**
+ * ### typeOf (obj)
+ *
+ * Use several different techniques to determine
+ * the type of object being tested.
+ *
+ *
+ * @param {Mixed} object
+ * @return {String} object type
+ * @api public
+ */
+var objectTypeRegexp = /^\[object (.*)\]$/;
+
+function getType(obj) {
+ var type = Object.prototype.toString.call(obj).match(objectTypeRegexp)[1].toLowerCase();
+ // Let "new String('')" return 'object'
+ if (typeof Promise === 'function' && obj instanceof Promise) return 'promise';
+ // PhantomJS has type "DOMWindow" for null
+ if (obj === null) return 'null';
+ // PhantomJS has type "DOMWindow" for undefined
+ if (obj === undefined) return 'undefined';
+ return type;
+}
+
+exports.Library = Library;
+
+/**
+ * ### Library
+ *
+ * Create a repository for custom type detection.
+ *
+ * ```js
+ * var lib = new type.Library;
+ * ```
+ *
+ */
+
+function Library() {
+ if (!(this instanceof Library)) return new Library();
+ this.tests = {};
+}
+
+/**
+ * #### .of (obj)
+ *
+ * Expose replacement `typeof` detection to the library.
+ *
+ * ```js
+ * if ('string' === lib.of('hello world')) {
+ * // ...
+ * }
+ * ```
+ *
+ * @param {Mixed} object to test
+ * @return {String} type
+ */
+
+Library.prototype.of = getType;
+
+/**
+ * #### .define (type, test)
+ *
+ * Add a test to for the `.test()` assertion.
+ *
+ * Can be defined as a regular expression:
+ *
+ * ```js
+ * lib.define('int', /^[0-9]+$/);
+ * ```
+ *
+ * ... or as a function:
+ *
+ * ```js
+ * lib.define('bln', function (obj) {
+ * if ('boolean' === lib.of(obj)) return true;
+ * var blns = [ 'yes', 'no', 'true', 'false', 1, 0 ];
+ * if ('string' === lib.of(obj)) obj = obj.toLowerCase();
+ * return !! ~blns.indexOf(obj);
+ * });
+ * ```
+ *
+ * @param {String} type
+ * @param {RegExp|Function} test
+ * @api public
+ */
+
+Library.prototype.define = function(type, test) {
+ if (arguments.length === 1) return this.tests[type];
+ this.tests[type] = test;
+ return this;
+};
+
+/**
+ * #### .test (obj, test)
+ *
+ * Assert that an object is of type. Will first
+ * check natives, and if that does not pass it will
+ * use the user defined custom tests.
+ *
+ * ```js
+ * assert(lib.test('1', 'int'));
+ * assert(lib.test('yes', 'bln'));
+ * ```
+ *
+ * @param {Mixed} object
+ * @param {String} type
+ * @return {Boolean} result
+ * @api public
+ */
+
+Library.prototype.test = function(obj, type) {
+ if (type === getType(obj)) return true;
+ var test = this.tests[type];
+
+ if (test && 'regexp' === getType(test)) {
+ return test.test(obj);
+ } else if (test && 'function' === getType(test)) {
+ return test(obj);
+ } else {
+ throw new ReferenceError('Type test "' + type + '" not defined or invalid.');
+ }
+};
+
+},{}],35:[function(require,module,exports){
+module.exports = require('./lib/chai');
+
+},{"./lib/chai":1}]},{},[35])(35)
+});