--- /dev/null
+;(function(){
+
+/**
+ * Require the given path.
+ *
+ * @param {String} path
+ * @return {Object} exports
+ * @api public
+ */
+
+function require(path, parent, orig) {
+ var resolved = require.resolve(path);
+
+ // lookup failed
+ if (null == resolved) {
+ orig = orig || path;
+ parent = parent || 'root';
+ var err = new Error('Failed to require "' + orig + '" from "' + parent + '"');
+ err.path = orig;
+ err.parent = parent;
+ err.require = true;
+ throw err;
+ }
+
+ var module = require.modules[resolved];
+
+ // perform real require()
+ // by invoking the module's
+ // registered function
+ if (!module.exports) {
+ module.exports = {};
+ module.client = module.component = true;
+ module.call(this, module.exports, require.relative(resolved), module);
+ }
+
+ return module.exports;
+}
+
+/**
+ * Registered modules.
+ */
+
+require.modules = {};
+
+/**
+ * Registered aliases.
+ */
+
+require.aliases = {};
+
+/**
+ * Resolve `path`.
+ *
+ * Lookup:
+ *
+ * - PATH/index.js
+ * - PATH.js
+ * - PATH
+ *
+ * @param {String} path
+ * @return {String} path or null
+ * @api private
+ */
+
+require.resolve = function(path) {
+ if (path.charAt(0) === '/') path = path.slice(1);
+
+ var paths = [
+ path,
+ path + '.js',
+ path + '.json',
+ path + '/index.js',
+ path + '/index.json'
+ ];
+
+ for (var i = 0; i < paths.length; i++) {
+ var path = paths[i];
+ if (require.modules.hasOwnProperty(path)) return path;
+ if (require.aliases.hasOwnProperty(path)) return require.aliases[path];
+ }
+};
+
+/**
+ * Normalize `path` relative to the current path.
+ *
+ * @param {String} curr
+ * @param {String} path
+ * @return {String}
+ * @api private
+ */
+
+require.normalize = function(curr, path) {
+ var segs = [];
+
+ if ('.' != path.charAt(0)) return path;
+
+ curr = curr.split('/');
+ path = path.split('/');
+
+ for (var i = 0; i < path.length; ++i) {
+ if ('..' == path[i]) {
+ curr.pop();
+ } else if ('.' != path[i] && '' != path[i]) {
+ segs.push(path[i]);
+ }
+ }
+
+ return curr.concat(segs).join('/');
+};
+
+/**
+ * Register module at `path` with callback `definition`.
+ *
+ * @param {String} path
+ * @param {Function} definition
+ * @api private
+ */
+
+require.register = function(path, definition) {
+ require.modules[path] = definition;
+};
+
+/**
+ * Alias a module definition.
+ *
+ * @param {String} from
+ * @param {String} to
+ * @api private
+ */
+
+require.alias = function(from, to) {
+ if (!require.modules.hasOwnProperty(from)) {
+ throw new Error('Failed to alias "' + from + '", it does not exist');
+ }
+ require.aliases[to] = from;
+};
+
+/**
+ * Return a require function relative to the `parent` path.
+ *
+ * @param {String} parent
+ * @return {Function}
+ * @api private
+ */
+
+require.relative = function(parent) {
+ var p = require.normalize(parent, '..');
+
+ /**
+ * lastIndexOf helper.
+ */
+
+ function lastIndexOf(arr, obj) {
+ var i = arr.length;
+ while (i--) {
+ if (arr[i] === obj) return i;
+ }
+ return -1;
+ }
+
+ /**
+ * The relative require() itself.
+ */
+
+ function localRequire(path) {
+ var resolved = localRequire.resolve(path);
+ return require(resolved, parent, path);
+ }
+
+ /**
+ * Resolve relative to the parent.
+ */
+
+ localRequire.resolve = function(path) {
+ var c = path.charAt(0);
+ if ('/' == c) return path.slice(1);
+ if ('.' == c) return require.normalize(p, path);
+
+ // resolve deps by returning
+ // the dep in the nearest "deps"
+ // directory
+ var segs = parent.split('/');
+ var i = lastIndexOf(segs, 'deps') + 1;
+ if (!i) i = 0;
+ path = segs.slice(0, i + 1).join('/') + '/deps/' + path;
+ return path;
+ };
+
+ /**
+ * Check if module is defined at `path`.
+ */
+
+ localRequire.exists = function(path) {
+ return require.modules.hasOwnProperty(localRequire.resolve(path));
+ };
+
+ return localRequire;
+};
+require.register("chaijs-assertion-error/index.js", function(exports, require, module){
+/*!
+ * 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);
+ }
+}
+
+/*!
+ * 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;
+};
+
+});
+require.register("chai/index.js", function(exports, require, module){
+module.exports = require('./lib/chai');
+
+});
+require.register("chai/lib/chai.js", function(exports, require, module){
+/*!
+ * chai
+ * Copyright(c) 2011-2013 Jake Luer <jake@alogicalparadox.com>
+ * MIT Licensed
+ */
+
+var used = []
+ , exports = module.exports = {};
+
+/*!
+ * Chai version
+ */
+
+exports.version = '1.7.0';
+
+/*!
+ * 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;
+};
+
+/*!
+ * 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);
+
+});
+require.register("chai/lib/chai/assertion.js", function(exports, require, module){
+/*!
+ * chai
+ * http://chaijs.com
+ * Copyright(c) 2011-2013 Jake Luer <jake@alogicalparadox.com>
+ * MIT Licensed
+ */
+
+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);
+ }
+
+ /*!
+ * ### Assertion.includeStack
+ *
+ * User configurable property, influences whether stack trace
+ * is included in Assertion error message. Default of false
+ * suppresses stack trace in the error message
+ *
+ * Assertion.includeStack = true; // enable stack on error
+ *
+ * @api public
+ */
+
+ Assertion.includeStack = false;
+
+ /*!
+ * ### Assertion.showDiff
+ *
+ * User configurable property, influences whether or not
+ * the `showDiff` flag should be included in the thrown
+ * AssertionErrors. `false` will always be `false`; `true`
+ * will be true when the assertion has requested a diff
+ * be shown.
+ *
+ * @api public
+ */
+
+ Assertion.showDiff = true;
+
+ Assertion.addProperty = function (name, fn) {
+ util.addProperty(this.prototype, name, fn);
+ };
+
+ Assertion.addMethod = function (name, fn) {
+ util.addMethod(this.prototype, name, fn);
+ };
+
+ Assertion.addChainableMethod = function (name, fn, chainingBehavior) {
+ util.addChainableMethod(this.prototype, name, fn, chainingBehavior);
+ };
+
+ Assertion.overwriteProperty = function (name, fn) {
+ util.overwriteProperty(this.prototype, name, fn);
+ };
+
+ Assertion.overwriteMethod = function (name, fn) {
+ util.overwriteMethod(this.prototype, name, fn);
+ };
+
+ /*!
+ * ### .assert(expression, message, negateMessage, expected, actual)
+ *
+ * Executes an expression and check expectations. Throws AssertionError for reporting if test doesn't pass.
+ *
+ * @name assert
+ * @param {Philosophical} expression to be tested
+ * @param {String} message to display if fails
+ * @param {String} negatedMessage to display if negated expression fails
+ * @param {Mixed} expected value (remember to check for negation)
+ * @param {Mixed} actual (optional) will default to `this.obj`
+ * @api private
+ */
+
+ Assertion.prototype.assert = function (expr, msg, negateMsg, expected, _actual, showDiff) {
+ var ok = util.test(this, arguments);
+ if (true !== showDiff) showDiff = false;
+ if (true !== Assertion.showDiff) showDiff = false;
+
+ if (!ok) {
+ var msg = util.getMessage(this, arguments)
+ , actual = util.getActual(this, arguments);
+ throw new AssertionError(msg, {
+ actual: actual
+ , expected: expected
+ , showDiff: showDiff
+ }, (Assertion.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);
+ }
+ });
+};
+
+});
+require.register("chai/lib/chai/core/assertions.js", function(exports, require, module){
+/*!
+ * chai
+ * http://chaijs.com
+ * Copyright(c) 2011-2013 Jake Luer <jake@alogicalparadox.com>
+ * MIT Licensed
+ */
+
+module.exports = function (chai, _) {
+ var Assertion = chai.Assertion
+ , toString = Object.prototype.toString
+ , flag = _.flag;
+
+ /**
+ * ### Language Chains
+ *
+ * The following are provide as chainable getters to
+ * improve the readability of your assertions. They
+ * do not provide an testing capability unless they
+ * have been overwritten by a plugin.
+ *
+ * **Chains**
+ *
+ * - to
+ * - be
+ * - been
+ * - is
+ * - that
+ * - and
+ * - have
+ * - with
+ * - at
+ * - of
+ * - same
+ *
+ * @name language chains
+ * @api public
+ */
+
+ [ 'to', 'be', 'been'
+ , 'is', 'and', 'have'
+ , 'with', 'that', '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');
+ *
+ * @name deep
+ * @api public
+ */
+
+ Assertion.addProperty('deep', function () {
+ flag(this, 'deep', true);
+ });
+
+ /**
+ * ### .a(type)
+ *
+ * The `a` and `an` assertions are aliases that can be
+ * used either as language chains or to assert a value's
+ * type.
+ *
+ * // typeof
+ * expect('test').to.be.a('string');
+ * expect({ foo: 'bar' }).to.be.an('object');
+ * expect(null).to.be.a('null');
+ * expect(undefined).to.be.an('undefined');
+ *
+ * // language chain
+ * expect(foo).to.be.an.instanceof(Foo);
+ *
+ * @name a
+ * @alias an
+ * @param {String} type
+ * @param {String} message _optional_
+ * @api public
+ */
+
+ function an (type, msg) {
+ if (msg) flag(this, 'message', msg);
+ type = type.toLowerCase();
+ var obj = flag(this, 'object')
+ , article = ~[ 'a', 'e', 'i', 'o', 'u' ].indexOf(type.charAt(0)) ? 'an ' : 'a ';
+
+ this.assert(
+ type === _.type(obj)
+ , 'expected #{this} to be ' + article + type
+ , 'expected #{this} not to be ' + article + type
+ );
+ }
+
+ Assertion.addChainableMethod('an', an);
+ Assertion.addChainableMethod('a', an);
+
+ /**
+ * ### .include(value)
+ *
+ * The `include` and `contain` assertions can be used as either property
+ * based language chains or as methods to assert the inclusion of an object
+ * in an array or a substring in a string. When used as language chains,
+ * they toggle the `contain` flag for the `keys` assertion.
+ *
+ * expect([1,2,3]).to.include(2);
+ * expect('foobar').to.contain('foo');
+ * expect({ foo: 'bar', hello: 'universe' }).to.include.keys('foo');
+ *
+ * @name include
+ * @alias contain
+ * @param {Object|String|Number} obj
+ * @param {String} message _optional_
+ * @api public
+ */
+
+ function includeChainingBehavior () {
+ flag(this, 'contains', true);
+ }
+
+ function include (val, msg) {
+ if (msg) flag(this, 'message', msg);
+ var obj = flag(this, 'object')
+ this.assert(
+ ~obj.indexOf(val)
+ , 'expected #{this} to include ' + _.inspect(val)
+ , 'expected #{this} to not include ' + _.inspect(val));
+ }
+
+ Assertion.addChainableMethod('include', include, includeChainingBehavior);
+ Assertion.addChainableMethod('contain', include, includeChainingBehavior);
+
+ /**
+ * ### .ok
+ *
+ * Asserts that the target is truthy.
+ *
+ * expect('everthing').to.be.ok;
+ * expect(1).to.be.ok;
+ * expect(false).to.not.be.ok;
+ * expect(undefined).to.not.be.ok;
+ * expect(null).to.not.be.ok;
+ *
+ * @name ok
+ * @api public
+ */
+
+ Assertion.addProperty('ok', function () {
+ this.assert(
+ flag(this, 'object')
+ , 'expected #{this} to be truthy'
+ , 'expected #{this} to be falsy');
+ });
+
+ /**
+ * ### .true
+ *
+ * Asserts that the target is `true`.
+ *
+ * expect(true).to.be.true;
+ * expect(1).to.not.be.true;
+ *
+ * @name true
+ * @api public
+ */
+
+ Assertion.addProperty('true', function () {
+ this.assert(
+ true === flag(this, 'object')
+ , 'expected #{this} to be true'
+ , 'expected #{this} to be false'
+ , this.negate ? false : true
+ );
+ });
+
+ /**
+ * ### .false
+ *
+ * Asserts that the target is `false`.
+ *
+ * expect(false).to.be.false;
+ * expect(0).to.not.be.false;
+ *
+ * @name false
+ * @api public
+ */
+
+ Assertion.addProperty('false', function () {
+ this.assert(
+ false === flag(this, 'object')
+ , 'expected #{this} to be false'
+ , 'expected #{this} to be true'
+ , this.negate ? true : false
+ );
+ });
+
+ /**
+ * ### .null
+ *
+ * Asserts that the target is `null`.
+ *
+ * expect(null).to.be.null;
+ * expect(undefined).not.to.be.null;
+ *
+ * @name null
+ * @api public
+ */
+
+ Assertion.addProperty('null', function () {
+ this.assert(
+ null === flag(this, 'object')
+ , 'expected #{this} to be null'
+ , 'expected #{this} not to be null'
+ );
+ });
+
+ /**
+ * ### .undefined
+ *
+ * Asserts that the target is `undefined`.
+ *
+ * expect(undefined).to.be.undefined;
+ * expect(null).to.not.be.undefined;
+ *
+ * @name undefined
+ * @api public
+ */
+
+ Assertion.addProperty('undefined', function () {
+ this.assert(
+ undefined === flag(this, 'object')
+ , 'expected #{this} to be undefined'
+ , 'expected #{this} not to be undefined'
+ );
+ });
+
+ /**
+ * ### .exist
+ *
+ * Asserts that the target is neither `null` nor `undefined`.
+ *
+ * var foo = 'hi'
+ * , bar = null
+ * , baz;
+ *
+ * expect(foo).to.exist;
+ * expect(bar).to.not.exist;
+ * expect(baz).to.not.exist;
+ *
+ * @name exist
+ * @api public
+ */
+
+ Assertion.addProperty('exist', function () {
+ this.assert(
+ null != flag(this, 'object')
+ , 'expected #{this} to exist'
+ , 'expected #{this} to not exist'
+ );
+ });
+
+
+ /**
+ * ### .empty
+ *
+ * Asserts that the target's length is `0`. For arrays, it checks
+ * the `length` property. For objects, it gets the count of
+ * enumerable keys.
+ *
+ * expect([]).to.be.empty;
+ * expect('').to.be.empty;
+ * expect({}).to.be.empty;
+ *
+ * @name empty
+ * @api public
+ */
+
+ Assertion.addProperty('empty', function () {
+ var obj = flag(this, 'object')
+ , expected = obj;
+
+ if (Array.isArray(obj) || 'string' === typeof object) {
+ expected = obj.length;
+ } else if (typeof obj === 'object') {
+ expected = Object.keys(obj).length;
+ }
+
+ this.assert(
+ !expected
+ , 'expected #{this} to be empty'
+ , 'expected #{this} not to be empty'
+ );
+ });
+
+ /**
+ * ### .arguments
+ *
+ * Asserts that the target is an arguments object.
+ *
+ * function test () {
+ * expect(arguments).to.be.arguments;
+ * }
+ *
+ * @name arguments
+ * @alias Arguments
+ * @api public
+ */
+
+ function checkArguments () {
+ var obj = flag(this, 'object')
+ , type = Object.prototype.toString.call(obj);
+ this.assert(
+ '[object Arguments]' === type
+ , 'expected #{this} to be arguments but got ' + type
+ , 'expected #{this} to not be arguments'
+ );
+ }
+
+ Assertion.addProperty('arguments', checkArguments);
+ Assertion.addProperty('Arguments', checkArguments);
+
+ /**
+ * ### .equal(value)
+ *
+ * Asserts that the target is strictly equal (`===`) to `value`.
+ * Alternately, if the `deep` flag is set, asserts that
+ * the target is deeply equal to `value`.
+ *
+ * expect('hello').to.equal('hello');
+ * expect(42).to.equal(42);
+ * expect(1).to.not.equal(true);
+ * expect({ foo: 'bar' }).to.not.equal({ foo: 'bar' });
+ * expect({ foo: 'bar' }).to.deep.equal({ foo: 'bar' });
+ *
+ * @name equal
+ * @alias equals
+ * @alias eq
+ * @alias deep.equal
+ * @param {Mixed} value
+ * @param {String} message _optional_
+ * @api public
+ */
+
+ function assertEqual (val, msg) {
+ if (msg) flag(this, 'message', msg);
+ var obj = flag(this, 'object');
+ if (flag(this, 'deep')) {
+ return this.eql(val);
+ } else {
+ this.assert(
+ val === obj
+ , 'expected #{this} to equal #{exp}'
+ , 'expected #{this} to not equal #{exp}'
+ , val
+ , this._obj
+ , true
+ );
+ }
+ }
+
+ Assertion.addMethod('equal', assertEqual);
+ Assertion.addMethod('equals', assertEqual);
+ Assertion.addMethod('eq', assertEqual);
+
+ /**
+ * ### .eql(value)
+ *
+ * Asserts that the target is deeply equal to `value`.
+ *
+ * expect({ foo: 'bar' }).to.eql({ foo: 'bar' });
+ * expect([ 1, 2, 3 ]).to.eql([ 1, 2, 3 ]);
+ *
+ * @name eql
+ * @alias eqls
+ * @param {Mixed} value
+ * @param {String} message _optional_
+ * @api public
+ */
+
+ function assertEql(obj, msg) {
+ if (msg) flag(this, 'message', msg);
+ this.assert(
+ _.eql(obj, flag(this, 'object'))
+ , 'expected #{this} to deeply equal #{exp}'
+ , 'expected #{this} to not deeply equal #{exp}'
+ , obj
+ , this._obj
+ , true
+ );
+ }
+
+ Assertion.addMethod('eql', assertEql);
+ Assertion.addMethod('eqls', assertEql);
+
+ /**
+ * ### .above(value)
+ *
+ * Asserts that the target is greater than `value`.
+ *
+ * expect(10).to.be.above(5);
+ *
+ * Can also be used in conjunction with `length` to
+ * assert a minimum length. The benefit being a
+ * more informative error message than if the length
+ * was supplied directly.
+ *
+ * expect('foo').to.have.length.above(2);
+ * expect([ 1, 2, 3 ]).to.have.length.above(2);
+ *
+ * @name above
+ * @alias gt
+ * @alias greaterThan
+ * @param {Number} value
+ * @param {String} message _optional_
+ * @api public
+ */
+
+ function assertAbove (n, msg) {
+ if (msg) flag(this, 'message', msg);
+ var obj = flag(this, 'object');
+ if (flag(this, 'doLength')) {
+ new Assertion(obj, msg).to.have.property('length');
+ var len = obj.length;
+ this.assert(
+ len > n
+ , 'expected #{this} to have a length above #{exp} but got #{act}'
+ , 'expected #{this} to not have a length above #{exp}'
+ , n
+ , len
+ );
+ } else {
+ this.assert(
+ obj > n
+ , 'expected #{this} to be above ' + n
+ , 'expected #{this} to be at most ' + n
+ );
+ }
+ }
+
+ Assertion.addMethod('above', assertAbove);
+ Assertion.addMethod('gt', assertAbove);
+ Assertion.addMethod('greaterThan', assertAbove);
+
+ /**
+ * ### .least(value)
+ *
+ * Asserts that the target is greater than or equal to `value`.
+ *
+ * expect(10).to.be.at.least(10);
+ *
+ * Can also be used in conjunction with `length` to
+ * assert a minimum length. The benefit being a
+ * more informative error message than if the length
+ * was supplied directly.
+ *
+ * expect('foo').to.have.length.of.at.least(2);
+ * expect([ 1, 2, 3 ]).to.have.length.of.at.least(3);
+ *
+ * @name least
+ * @alias gte
+ * @param {Number} value
+ * @param {String} message _optional_
+ * @api public
+ */
+
+ function assertLeast (n, msg) {
+ if (msg) flag(this, 'message', msg);
+ var obj = flag(this, 'object');
+ if (flag(this, 'doLength')) {
+ new Assertion(obj, msg).to.have.property('length');
+ var len = obj.length;
+ this.assert(
+ len >= n
+ , 'expected #{this} to have a length at least #{exp} but got #{act}'
+ , 'expected #{this} to have a length below #{exp}'
+ , n
+ , len
+ );
+ } else {
+ this.assert(
+ obj >= n
+ , 'expected #{this} to be at least ' + n
+ , 'expected #{this} to be below ' + n
+ );
+ }
+ }
+
+ Assertion.addMethod('least', assertLeast);
+ Assertion.addMethod('gte', assertLeast);
+
+ /**
+ * ### .below(value)
+ *
+ * Asserts that the target is less than `value`.
+ *
+ * expect(5).to.be.below(10);
+ *
+ * Can also be used in conjunction with `length` to
+ * assert a maximum length. The benefit being a
+ * more informative error message than if the length
+ * was supplied directly.
+ *
+ * expect('foo').to.have.length.below(4);
+ * expect([ 1, 2, 3 ]).to.have.length.below(4);
+ *
+ * @name below
+ * @alias lt
+ * @alias lessThan
+ * @param {Number} value
+ * @param {String} message _optional_
+ * @api public
+ */
+
+ function assertBelow (n, msg) {
+ if (msg) flag(this, 'message', msg);
+ var obj = flag(this, 'object');
+ if (flag(this, 'doLength')) {
+ new Assertion(obj, msg).to.have.property('length');
+ var len = obj.length;
+ this.assert(
+ len < n
+ , 'expected #{this} to have a length below #{exp} but got #{act}'
+ , 'expected #{this} to not have a length below #{exp}'
+ , n
+ , len
+ );
+ } else {
+ this.assert(
+ obj < n
+ , 'expected #{this} to be below ' + n
+ , 'expected #{this} to be at least ' + n
+ );
+ }
+ }
+
+ Assertion.addMethod('below', assertBelow);
+ Assertion.addMethod('lt', assertBelow);
+ Assertion.addMethod('lessThan', assertBelow);
+
+ /**
+ * ### .most(value)
+ *
+ * Asserts that the target is less than or equal to `value`.
+ *
+ * expect(5).to.be.at.most(5);
+ *
+ * Can also be used in conjunction with `length` to
+ * assert a maximum length. The benefit being a
+ * more informative error message than if the length
+ * was supplied directly.
+ *
+ * expect('foo').to.have.length.of.at.most(4);
+ * expect([ 1, 2, 3 ]).to.have.length.of.at.most(3);
+ *
+ * @name most
+ * @alias lte
+ * @param {Number} value
+ * @param {String} message _optional_
+ * @api public
+ */
+
+ function assertMost (n, msg) {
+ if (msg) flag(this, 'message', msg);
+ var obj = flag(this, 'object');
+ if (flag(this, 'doLength')) {
+ new Assertion(obj, msg).to.have.property('length');
+ var len = obj.length;
+ this.assert(
+ len <= n
+ , 'expected #{this} to have a length at most #{exp} but got #{act}'
+ , 'expected #{this} to have a length above #{exp}'
+ , n
+ , len
+ );
+ } else {
+ this.assert(
+ obj <= n
+ , 'expected #{this} to be at most ' + n
+ , 'expected #{this} to be above ' + n
+ );
+ }
+ }
+
+ Assertion.addMethod('most', assertMost);
+ Assertion.addMethod('lte', assertMost);
+
+ /**
+ * ### .within(start, finish)
+ *
+ * Asserts that the target is within a range.
+ *
+ * expect(7).to.be.within(5,10);
+ *
+ * Can also be used in conjunction with `length` to
+ * assert a length range. The benefit being a
+ * more informative error message than if the length
+ * was supplied directly.
+ *
+ * expect('foo').to.have.length.within(2,4);
+ * expect([ 1, 2, 3 ]).to.have.length.within(2,4);
+ *
+ * @name within
+ * @param {Number} start lowerbound inclusive
+ * @param {Number} finish upperbound inclusive
+ * @param {String} message _optional_
+ * @api public
+ */
+
+ Assertion.addMethod('within', function (start, finish, msg) {
+ if (msg) flag(this, 'message', msg);
+ var obj = flag(this, 'object')
+ , range = start + '..' + finish;
+ if (flag(this, 'doLength')) {
+ new Assertion(obj, msg).to.have.property('length');
+ var len = obj.length;
+ this.assert(
+ len >= start && len <= finish
+ , 'expected #{this} to have a length within ' + range
+ , 'expected #{this} to not have a length within ' + range
+ );
+ } else {
+ this.assert(
+ obj >= start && obj <= finish
+ , 'expected #{this} to be within ' + range
+ , 'expected #{this} to not be within ' + range
+ );
+ }
+ });
+
+ /**
+ * ### .instanceof(constructor)
+ *
+ * Asserts that the target is an instance of `constructor`.
+ *
+ * var Tea = function (name) { this.name = name; }
+ * , Chai = new Tea('chai');
+ *
+ * expect(Chai).to.be.an.instanceof(Tea);
+ * expect([ 1, 2, 3 ]).to.be.instanceof(Array);
+ *
+ * @name instanceof
+ * @param {Constructor} constructor
+ * @param {String} message _optional_
+ * @alias instanceOf
+ * @api public
+ */
+
+ function assertInstanceOf (constructor, msg) {
+ if (msg) flag(this, 'message', msg);
+ var name = _.getName(constructor);
+ this.assert(
+ flag(this, 'object') instanceof constructor
+ , 'expected #{this} to be an instance of ' + name
+ , 'expected #{this} to not be an instance of ' + name
+ );
+ };
+
+ Assertion.addMethod('instanceof', assertInstanceOf);
+ Assertion.addMethod('instanceOf', assertInstanceOf);
+
+ /**
+ * ### .property(name, [value])
+ *
+ * Asserts that the target has a property `name`, optionally asserting that
+ * the value of that property is strictly equal to `value`.
+ * If the `deep` flag is set, you can use dot- and bracket-notation for deep
+ * references into objects and arrays.
+ *
+ * // simple referencing
+ * var obj = { foo: 'bar' };
+ * expect(obj).to.have.property('foo');
+ * expect(obj).to.have.property('foo', 'bar');
+ *
+ * // deep referencing
+ * var deepObj = {
+ * green: { tea: 'matcha' }
+ * , teas: [ 'chai', 'matcha', { tea: 'konacha' } ]
+ * };
+
+ * expect(deepObj).to.have.deep.property('green.tea', 'matcha');
+ * expect(deepObj).to.have.deep.property('teas[1]', 'matcha');
+ * expect(deepObj).to.have.deep.property('teas[2].tea', 'konacha');
+ *
+ * You can also use an array as the starting point of a `deep.property`
+ * assertion, or traverse nested arrays.
+ *
+ * var arr = [
+ * [ 'chai', 'matcha', 'konacha' ]
+ * , [ { tea: 'chai' }
+ * , { tea: 'matcha' }
+ * , { tea: 'konacha' } ]
+ * ];
+ *
+ * expect(arr).to.have.deep.property('[0][1]', 'matcha');
+ * expect(arr).to.have.deep.property('[1][2].tea', 'konacha');
+ *
+ * Furthermore, `property` changes the subject of the assertion
+ * to be the value of that property from the original object. This
+ * permits for further chainable assertions on that property.
+ *
+ * expect(obj).to.have.property('foo')
+ * .that.is.a('string');
+ * expect(deepObj).to.have.property('green')
+ * .that.is.an('object')
+ * .that.deep.equals({ tea: 'matcha' });
+ * expect(deepObj).to.have.property('teas')
+ * .that.is.an('array')
+ * .with.deep.property('[2]')
+ * .that.deep.equals({ tea: 'konacha' });
+ *
+ * @name property
+ * @alias deep.property
+ * @param {String} name
+ * @param {Mixed} value (optional)
+ * @param {String} message _optional_
+ * @returns value of property for chaining
+ * @api public
+ */
+
+ Assertion.addMethod('property', function (name, val, msg) {
+ if (msg) flag(this, 'message', msg);
+
+ var descriptor = flag(this, 'deep') ? 'deep property ' : 'property '
+ , negate = flag(this, 'negate')
+ , obj = flag(this, 'object')
+ , value = flag(this, 'deep')
+ ? _.getPathValue(name, obj)
+ : obj[name];
+
+ if (negate && undefined !== val) {
+ if (undefined === value) {
+ msg = (msg != null) ? msg + ': ' : '';
+ throw new Error(msg + _.inspect(obj) + ' has no ' + descriptor + _.inspect(name));
+ }
+ } else {
+ this.assert(
+ undefined !== value
+ , 'expected #{this} to have a ' + descriptor + _.inspect(name)
+ , 'expected #{this} to not have ' + descriptor + _.inspect(name));
+ }
+
+ if (undefined !== val) {
+ this.assert(
+ val === value
+ , 'expected #{this} to have a ' + descriptor + _.inspect(name) + ' of #{exp}, but got #{act}'
+ , 'expected #{this} to not have a ' + descriptor + _.inspect(name) + ' of #{act}'
+ , val
+ , value
+ );
+ }
+
+ flag(this, 'object', value);
+ });
+
+
+ /**
+ * ### .ownProperty(name)
+ *
+ * Asserts that the target has an own property `name`.
+ *
+ * expect('test').to.have.ownProperty('length');
+ *
+ * @name ownProperty
+ * @alias haveOwnProperty
+ * @param {String} name
+ * @param {String} message _optional_
+ * @api public
+ */
+
+ function assertOwnProperty (name, msg) {
+ if (msg) flag(this, 'message', msg);
+ var obj = flag(this, 'object');
+ this.assert(
+ obj.hasOwnProperty(name)
+ , 'expected #{this} to have own property ' + _.inspect(name)
+ , 'expected #{this} to not have own property ' + _.inspect(name)
+ );
+ }
+
+ Assertion.addMethod('ownProperty', assertOwnProperty);
+ Assertion.addMethod('haveOwnProperty', assertOwnProperty);
+
+ /**
+ * ### .length(value)
+ *
+ * Asserts that the target's `length` property has
+ * the expected value.
+ *
+ * expect([ 1, 2, 3]).to.have.length(3);
+ * expect('foobar').to.have.length(6);
+ *
+ * Can also be used as a chain precursor to a value
+ * comparison for the length property.
+ *
+ * expect('foo').to.have.length.above(2);
+ * expect([ 1, 2, 3 ]).to.have.length.above(2);
+ * expect('foo').to.have.length.below(4);
+ * expect([ 1, 2, 3 ]).to.have.length.below(4);
+ * expect('foo').to.have.length.within(2,4);
+ * expect([ 1, 2, 3 ]).to.have.length.within(2,4);
+ *
+ * @name length
+ * @alias lengthOf
+ * @param {Number} length
+ * @param {String} message _optional_
+ * @api public
+ */
+
+ function assertLengthChain () {
+ flag(this, 'doLength', true);
+ }
+
+ function assertLength (n, msg) {
+ if (msg) flag(this, 'message', msg);
+ var obj = flag(this, 'object');
+ new Assertion(obj, msg).to.have.property('length');
+ var len = obj.length;
+
+ this.assert(
+ len == n
+ , 'expected #{this} to have a length of #{exp} but got #{act}'
+ , 'expected #{this} to not have a length of #{act}'
+ , n
+ , len
+ );
+ }
+
+ Assertion.addChainableMethod('length', assertLength, assertLengthChain);
+ Assertion.addMethod('lengthOf', assertLength, assertLengthChain);
+
+ /**
+ * ### .match(regexp)
+ *
+ * Asserts that the target matches a regular expression.
+ *
+ * expect('foobar').to.match(/^foo/);
+ *
+ * @name match
+ * @param {RegExp} RegularExpression
+ * @param {String} message _optional_
+ * @api public
+ */
+
+ Assertion.addMethod('match', function (re, msg) {
+ if (msg) flag(this, 'message', msg);
+ var obj = flag(this, 'object');
+ this.assert(
+ re.exec(obj)
+ , 'expected #{this} to match ' + re
+ , 'expected #{this} not to match ' + re
+ );
+ });
+
+ /**
+ * ### .string(string)
+ *
+ * Asserts that the string target contains another string.
+ *
+ * expect('foobar').to.have.string('bar');
+ *
+ * @name string
+ * @param {String} string
+ * @param {String} message _optional_
+ * @api public
+ */
+
+ Assertion.addMethod('string', function (str, msg) {
+ if (msg) flag(this, 'message', msg);
+ var obj = flag(this, 'object');
+ new Assertion(obj, msg).is.a('string');
+
+ this.assert(
+ ~obj.indexOf(str)
+ , 'expected #{this} to contain ' + _.inspect(str)
+ , 'expected #{this} to not contain ' + _.inspect(str)
+ );
+ });
+
+
+ /**
+ * ### .keys(key1, [key2], [...])
+ *
+ * Asserts that the target has exactly the given keys, or
+ * asserts the inclusion of some keys when using the
+ * `include` or `contain` modifiers.
+ *
+ * expect({ foo: 1, bar: 2 }).to.have.keys(['foo', 'bar']);
+ * expect({ foo: 1, bar: 2, baz: 3 }).to.contain.keys('foo', 'bar');
+ *
+ * @name keys
+ * @alias key
+ * @param {String...|Array} keys
+ * @api public
+ */
+
+ function assertKeys (keys) {
+ var obj = flag(this, 'object')
+ , str
+ , ok = true;
+
+ keys = keys instanceof Array
+ ? keys
+ : Array.prototype.slice.call(arguments);
+
+ if (!keys.length) throw new Error('keys required');
+
+ var actual = Object.keys(obj)
+ , len = keys.length;
+
+ // Inclusion
+ ok = keys.every(function(key){
+ return ~actual.indexOf(key);
+ });
+
+ // Strict
+ if (!flag(this, 'negate') && !flag(this, 'contains')) {
+ ok = ok && keys.length == actual.length;
+ }
+
+ // Key string
+ if (len > 1) {
+ keys = keys.map(function(key){
+ return _.inspect(key);
+ });
+ var last = keys.pop();
+ str = keys.join(', ') + ', and ' + last;
+ } else {
+ str = _.inspect(keys[0]);
+ }
+
+ // Form
+ str = (len > 1 ? 'keys ' : 'key ') + str;
+
+ // Have / include
+ str = (flag(this, 'contains') ? 'contain ' : 'have ') + str;
+
+ // Assertion
+ this.assert(
+ ok
+ , 'expected #{this} to ' + str
+ , 'expected #{this} to not ' + str
+ );
+ }
+
+ Assertion.addMethod('keys', assertKeys);
+ Assertion.addMethod('key', assertKeys);
+
+ /**
+ * ### .throw(constructor)
+ *
+ * Asserts that the function target will throw a specific error, or specific type of error
+ * (as determined using `instanceof`), optionally with a RegExp or string inclusion test
+ * for the error's message.
+ *
+ * var err = new ReferenceError('This is a bad function.');
+ * var fn = function () { throw err; }
+ * expect(fn).to.throw(ReferenceError);
+ * expect(fn).to.throw(Error);
+ * expect(fn).to.throw(/bad function/);
+ * expect(fn).to.not.throw('good function');
+ * expect(fn).to.throw(ReferenceError, /bad function/);
+ * expect(fn).to.throw(err);
+ * expect(fn).to.not.throw(new RangeError('Out of range.'));
+ *
+ * Please note that when a throw expectation is negated, it will check each
+ * parameter independently, starting with error constructor type. The appropriate way
+ * to check for the existence of a type of error but for a message that does not match
+ * is to use `and`.
+ *
+ * expect(fn).to.throw(ReferenceError)
+ * .and.not.throw(/good function/);
+ *
+ * @name throw
+ * @alias throws
+ * @alias Throw
+ * @param {ErrorConstructor} constructor
+ * @param {String|RegExp} expected error message
+ * @param {String} message _optional_
+ * @see https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Error#Error_types
+ * @api public
+ */
+
+ function assertThrows (constructor, errMsg, msg) {
+ if (msg) flag(this, 'message', msg);
+ var obj = flag(this, 'object');
+ new Assertion(obj, msg).is.a('function');
+
+ var thrown = false
+ , desiredError = null
+ , name = null
+ , thrownError = null;
+
+ if (arguments.length === 0) {
+ errMsg = null;
+ constructor = null;
+ } else if (constructor && (constructor instanceof RegExp || 'string' === typeof constructor)) {
+ errMsg = constructor;
+ constructor = null;
+ } else if (constructor && constructor instanceof Error) {
+ desiredError = constructor;
+ constructor = null;
+ errMsg = null;
+ } else if (typeof constructor === 'function') {
+ name = (new constructor()).name;
+ } else {
+ constructor = null;
+ }
+
+ try {
+ obj();
+ } catch (err) {
+ // first, check desired error
+ if (desiredError) {
+ this.assert(
+ err === desiredError
+ , 'expected #{this} to throw #{exp} but #{act} was thrown'
+ , 'expected #{this} to not throw #{exp}'
+ , desiredError
+ , err
+ );
+
+ return this;
+ }
+ // next, check constructor
+ if (constructor) {
+ this.assert(
+ err instanceof constructor
+ , 'expected #{this} to throw #{exp} but #{act} was thrown'
+ , 'expected #{this} to not throw #{exp} but #{act} was thrown'
+ , name
+ , err
+ );
+
+ if (!errMsg) return this;
+ }
+ // next, check message
+ var message = 'object' === _.type(err) && "message" in err
+ ? err.message
+ : '' + err;
+
+ if ((message != null) && errMsg && errMsg instanceof RegExp) {
+ this.assert(
+ errMsg.exec(message)
+ , 'expected #{this} to throw error matching #{exp} but got #{act}'
+ , 'expected #{this} to throw error not matching #{exp}'
+ , errMsg
+ , message
+ );
+
+ return this;
+ } else if ((message != null) && errMsg && 'string' === typeof errMsg) {
+ this.assert(
+ ~message.indexOf(errMsg)
+ , 'expected #{this} to throw error including #{exp} but got #{act}'
+ , 'expected #{this} to throw error not including #{act}'
+ , errMsg
+ , message
+ );
+
+ return this;
+ } else {
+ thrown = true;
+ thrownError = err;
+ }
+ }
+
+ var actuallyGot = ''
+ , expectedThrown = name !== null
+ ? name
+ : desiredError
+ ? '#{exp}' //_.inspect(desiredError)
+ : 'an error';
+
+ if (thrown) {
+ actuallyGot = ' but #{act} was thrown'
+ }
+
+ this.assert(
+ thrown === true
+ , 'expected #{this} to throw ' + expectedThrown + actuallyGot
+ , 'expected #{this} to not throw ' + expectedThrown + actuallyGot
+ , desiredError
+ , thrownError
+ );
+ };
+
+ Assertion.addMethod('throw', assertThrows);
+ Assertion.addMethod('throws', assertThrows);
+ Assertion.addMethod('Throw', assertThrows);
+
+ /**
+ * ### .respondTo(method)
+ *
+ * Asserts that the object or class target will respond to a method.
+ *
+ * Klass.prototype.bar = function(){};
+ * expect(Klass).to.respondTo('bar');
+ * expect(obj).to.respondTo('bar');
+ *
+ * To check if a constructor will respond to a static function,
+ * set the `itself` flag.
+ *
+ * Klass.baz = function(){};
+ * expect(Klass).itself.to.respondTo('baz');
+ *
+ * @name respondTo
+ * @param {String} method
+ * @param {String} message _optional_
+ * @api public
+ */
+
+ Assertion.addMethod('respondTo', function (method, msg) {
+ if (msg) flag(this, 'message', msg);
+ var obj = flag(this, 'object')
+ , itself = flag(this, 'itself')
+ , context = ('function' === _.type(obj) && !itself)
+ ? obj.prototype[method]
+ : obj[method];
+
+ this.assert(
+ 'function' === typeof context
+ , 'expected #{this} to respond to ' + _.inspect(method)
+ , 'expected #{this} to not respond to ' + _.inspect(method)
+ );
+ });
+
+ /**
+ * ### .itself
+ *
+ * Sets the `itself` flag, later used by the `respondTo` assertion.
+ *
+ * function Foo() {}
+ * Foo.bar = function() {}
+ * Foo.prototype.baz = function() {}
+ *
+ * expect(Foo).itself.to.respondTo('bar');
+ * expect(Foo).itself.not.to.respondTo('baz');
+ *
+ * @name itself
+ * @api public
+ */
+
+ Assertion.addProperty('itself', function () {
+ flag(this, 'itself', true);
+ });
+
+ /**
+ * ### .satisfy(method)
+ *
+ * Asserts that the target passes a given truth test.
+ *
+ * expect(1).to.satisfy(function(num) { return num > 0; });
+ *
+ * @name satisfy
+ * @param {Function} matcher
+ * @param {String} message _optional_
+ * @api public
+ */
+
+ Assertion.addMethod('satisfy', function (matcher, msg) {
+ if (msg) flag(this, 'message', msg);
+ var obj = flag(this, 'object');
+ this.assert(
+ matcher(obj)
+ , 'expected #{this} to satisfy ' + _.objDisplay(matcher)
+ , 'expected #{this} to not satisfy' + _.objDisplay(matcher)
+ , this.negate ? false : true
+ , matcher(obj)
+ );
+ });
+
+ /**
+ * ### .closeTo(expected, delta)
+ *
+ * Asserts that the target is equal `expected`, to within a +/- `delta` range.
+ *
+ * expect(1.5).to.be.closeTo(1, 0.5);
+ *
+ * @name closeTo
+ * @param {Number} expected
+ * @param {Number} delta
+ * @param {String} message _optional_
+ * @api public
+ */
+
+ Assertion.addMethod('closeTo', function (expected, delta, msg) {
+ if (msg) flag(this, 'message', msg);
+ var obj = flag(this, 'object');
+ this.assert(
+ Math.abs(obj - expected) <= delta
+ , 'expected #{this} to be close to ' + expected + ' +/- ' + delta
+ , 'expected #{this} not to be close to ' + expected + ' +/- ' + delta
+ );
+ });
+
+ function isSubsetOf(subset, superset) {
+ return subset.every(function(elem) {
+ return superset.indexOf(elem) !== -1;
+ })
+ }
+
+ /**
+ * ### .members
+ *
+ * Asserts that the target is a superset of `set`,
+ * or that the target and `set` have the same members.
+ *
+ * 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]);
+ *
+ * @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');
+
+ if (flag(this, 'contains')) {
+ return this.assert(
+ isSubsetOf(subset, obj)
+ , 'expected #{this} to be a superset of #{act}'
+ , 'expected #{this} to not be a superset of #{act}'
+ , obj
+ , subset
+ );
+ }
+
+ this.assert(
+ isSubsetOf(obj, subset) && isSubsetOf(subset, obj)
+ , 'expected #{this} to have the same members as #{act}'
+ , 'expected #{this} to not have the same members as #{act}'
+ , obj
+ , subset
+ );
+ });
+};
+
+});
+require.register("chai/lib/chai/interface/assert.js", function(exports, require, module){
+/*!
+ * chai
+ * Copyright(c) 2011-2013 Jake Luer <jake@alogicalparadox.com>
+ * MIT Licensed
+ */
+
+
+module.exports = function (chai, util) {
+
+ /*!
+ * Chai dependencies.
+ */
+
+ var Assertion = chai.Assertion
+ , flag = util.flag;
+
+ /*!
+ * Module export.
+ */
+
+ /**
+ * ### assert(expression, message)
+ *
+ * Write your own test expressions.
+ *
+ * assert('foo' !== 'bar', 'foo is not bar');
+ * assert(Array.isArray([]), 'empty arrays are arrays');
+ *
+ * @param {Mixed} expression to test for truthiness
+ * @param {String} message to display on error
+ * @name assert
+ * @api public
+ */
+
+ var assert = chai.assert = function (express, errmsg) {
+ var test = new Assertion(null);
+ test.assert(
+ express
+ , errmsg
+ , '[ negation message unavailable ]'
+ );
+ };
+
+ /**
+ * ### .fail(actual, expected, [message], [operator])
+ *
+ * Throw a failure. Node.js `assert` module-compatible.
+ *
+ * @name fail
+ * @param {Mixed} actual
+ * @param {Mixed} expected
+ * @param {String} message
+ * @param {String} operator
+ * @api public
+ */
+
+ assert.fail = function (actual, expected, message, operator) {
+ throw new chai.AssertionError({
+ actual: actual
+ , expected: expected
+ , message: message
+ , operator: operator
+ , stackStartFunction: assert.fail
+ });
+ };
+
+ /**
+ * ### .ok(object, [message])
+ *
+ * Asserts that `object` is truthy.
+ *
+ * assert.ok('everything', 'everything is ok');
+ * assert.ok(false, 'this will fail');
+ *
+ * @name ok
+ * @param {Mixed} object to test
+ * @param {String} message
+ * @api public
+ */
+
+ assert.ok = function (val, msg) {
+ new Assertion(val, msg).is.ok;
+ };
+
+ /**
+ * ### .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);
+
+ test.assert(
+ exp == flag(test, 'object')
+ , 'expected #{this} to equal #{exp}'
+ , 'expected #{this} to not equal #{act}'
+ , exp
+ , act
+ );
+ };
+
+ /**
+ * ### .notEqual(actual, expected, [message])
+ *
+ * Asserts non-strict inequality (`!=`) of `actual` and `expected`.
+ *
+ * assert.notEqual(3, 4, 'these numbers are not equal');
+ *
+ * @name notEqual
+ * @param {Mixed} actual
+ * @param {Mixed} expected
+ * @param {String} message
+ * @api public
+ */
+
+ assert.notEqual = function (act, exp, msg) {
+ var test = new Assertion(act, msg);
+
+ test.assert(
+ exp != flag(test, 'object')
+ , 'expected #{this} to not equal #{exp}'
+ , 'expected #{this} to equal #{act}'
+ , exp
+ , act
+ );
+ };
+
+ /**
+ * ### .strictEqual(actual, expected, [message])
+ *
+ * Asserts strict equality (`===`) of `actual` and `expected`.
+ *
+ * assert.strictEqual(true, true, 'these booleans are strictly equal');
+ *
+ * @name strictEqual
+ * @param {Mixed} actual
+ * @param {Mixed} expected
+ * @param {String} message
+ * @api public
+ */
+
+ assert.strictEqual = function (act, exp, msg) {
+ new Assertion(act, msg).to.equal(exp);
+ };
+
+ /**
+ * ### .notStrictEqual(actual, expected, [message])
+ *
+ * Asserts strict inequality (`!==`) of `actual` and `expected`.
+ *
+ * assert.notStrictEqual(3, '3', 'no coercion for strict equality');
+ *
+ * @name notStrictEqual
+ * @param {Mixed} actual
+ * @param {Mixed} expected
+ * @param {String} message
+ * @api public
+ */
+
+ assert.notStrictEqual = function (act, exp, msg) {
+ new Assertion(act, msg).to.not.equal(exp);
+ };
+
+ /**
+ * ### .deepEqual(actual, expected, [message])
+ *
+ * Asserts that `actual` is deeply equal to `expected`.
+ *
+ * assert.deepEqual({ tea: 'green' }, { tea: 'green' });
+ *
+ * @name deepEqual
+ * @param {Mixed} actual
+ * @param {Mixed} expected
+ * @param {String} message
+ * @api public
+ */
+
+ assert.deepEqual = function (act, exp, msg) {
+ new Assertion(act, msg).to.eql(exp);
+ };
+
+ /**
+ * ### .notDeepEqual(actual, expected, [message])
+ *
+ * Assert that `actual` is not deeply equal to `expected`.
+ *
+ * assert.notDeepEqual({ tea: 'green' }, { tea: 'jasmine' });
+ *
+ * @name notDeepEqual
+ * @param {Mixed} actual
+ * @param {Mixed} expected
+ * @param {String} message
+ * @api public
+ */
+
+ assert.notDeepEqual = function (act, exp, msg) {
+ new Assertion(act, msg).to.not.eql(exp);
+ };
+
+ /**
+ * ### .isTrue(value, [message])
+ *
+ * Asserts that `value` is true.
+ *
+ * var teaServed = true;
+ * assert.isTrue(teaServed, 'the tea has been served');
+ *
+ * @name isTrue
+ * @param {Mixed} value
+ * @param {String} message
+ * @api public
+ */
+
+ assert.isTrue = function (val, msg) {
+ new Assertion(val, msg).is['true'];
+ };
+
+ /**
+ * ### .isFalse(value, [message])
+ *
+ * Asserts that `value` is false.
+ *
+ * var teaServed = false;
+ * assert.isFalse(teaServed, 'no tea yet? hmm...');
+ *
+ * @name isFalse
+ * @param {Mixed} value
+ * @param {String} message
+ * @api public
+ */
+
+ assert.isFalse = function (val, msg) {
+ new Assertion(val, msg).is['false'];
+ };
+
+ /**
+ * ### .isNull(value, [message])
+ *
+ * Asserts that `value` is null.
+ *
+ * assert.isNull(err, 'there was no error');
+ *
+ * @name isNull
+ * @param {Mixed} value
+ * @param {String} message
+ * @api public
+ */
+
+ assert.isNull = function (val, msg) {
+ new Assertion(val, msg).to.equal(null);
+ };
+
+ /**
+ * ### .isNotNull(value, [message])
+ *
+ * Asserts that `value` is not null.
+ *
+ * var tea = 'tasty chai';
+ * assert.isNotNull(tea, 'great, time for tea!');
+ *
+ * @name isNotNull
+ * @param {Mixed} value
+ * @param {String} message
+ * @api public
+ */
+
+ assert.isNotNull = function (val, msg) {
+ new Assertion(val, msg).to.not.equal(null);
+ };
+
+ /**
+ * ### .isUndefined(value, [message])
+ *
+ * Asserts that `value` is `undefined`.
+ *
+ * var tea;
+ * assert.isUndefined(tea, 'no tea defined');
+ *
+ * @name isUndefined
+ * @param {Mixed} value
+ * @param {String} message
+ * @api public
+ */
+
+ assert.isUndefined = function (val, msg) {
+ new Assertion(val, msg).to.equal(undefined);
+ };
+
+ /**
+ * ### .isDefined(value, [message])
+ *
+ * Asserts that `value` is not `undefined`.
+ *
+ * var tea = 'cup of chai';
+ * assert.isDefined(tea, 'tea has been defined');
+ *
+ * @name 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.isObject(selection, 'tea selection is not an object');
+ * assert.isObject(null, 'null is not an object');
+ *
+ * @name isNotObject
+ * @param {Mixed} value
+ * @param {String} message
+ * @api public
+ */
+
+ assert.isNotObject = function (val, msg) {
+ new Assertion(val, msg).to.not.be.a('object');
+ };
+
+ /**
+ * ### .isArray(value, [message])
+ *
+ * Asserts that `value` is an array.
+ *
+ * var menu = [ 'green', 'chai', 'oolong' ];
+ * assert.isArray(menu, 'what kind of tea do we want?');
+ *
+ * @name isArray
+ * @param {Mixed} value
+ * @param {String} message
+ * @api public
+ */
+
+ assert.isArray = function (val, msg) {
+ new Assertion(val, msg).to.be.an('array');
+ };
+
+ /**
+ * ### .isNotArray(value, [message])
+ *
+ * Asserts that `value` is _not_ an array.
+ *
+ * var menu = 'green|chai|oolong';
+ * assert.isNotArray(menu, 'what kind of tea do we want?');
+ *
+ * @name isNotArray
+ * @param {Mixed} value
+ * @param {String} message
+ * @api public
+ */
+
+ assert.isNotArray = function (val, msg) {
+ new Assertion(val, msg).to.not.be.an('array');
+ };
+
+ /**
+ * ### .isString(value, [message])
+ *
+ * Asserts that `value` is a string.
+ *
+ * var teaOrder = 'chai';
+ * assert.isString(teaOrder, 'order placed');
+ *
+ * @name isString
+ * @param {Mixed} value
+ * @param {String} message
+ * @api public
+ */
+
+ assert.isString = function (val, msg) {
+ new Assertion(val, msg).to.be.a('string');
+ };
+
+ /**
+ * ### .isNotString(value, [message])
+ *
+ * Asserts that `value` is _not_ a string.
+ *
+ * var teaOrder = 4;
+ * assert.isNotString(teaOrder, 'order placed');
+ *
+ * @name isNotString
+ * @param {Mixed} value
+ * @param {String} message
+ * @api public
+ */
+
+ assert.isNotString = function (val, msg) {
+ new Assertion(val, msg).to.not.be.a('string');
+ };
+
+ /**
+ * ### .isNumber(value, [message])
+ *
+ * Asserts that `value` is a number.
+ *
+ * var cups = 2;
+ * assert.isNumber(cups, 'how many cups');
+ *
+ * @name isNumber
+ * @param {Number} value
+ * @param {String} message
+ * @api public
+ */
+
+ assert.isNumber = function (val, msg) {
+ new Assertion(val, msg).to.be.a('number');
+ };
+
+ /**
+ * ### .isNotNumber(value, [message])
+ *
+ * Asserts that `value` is _not_ a number.
+ *
+ * var cups = '2 cups please';
+ * assert.isNotNumber(cups, 'how many cups');
+ *
+ * @name isNotNumber
+ * @param {Mixed} value
+ * @param {String} message
+ * @api public
+ */
+
+ assert.isNotNumber = function (val, msg) {
+ new Assertion(val, msg).to.not.be.a('number');
+ };
+
+ /**
+ * ### .isBoolean(value, [message])
+ *
+ * Asserts that `value` is a boolean.
+ *
+ * var teaReady = true
+ * , teaServed = false;
+ *
+ * assert.isBoolean(teaReady, 'is the tea ready');
+ * assert.isBoolean(teaServed, 'has tea been served');
+ *
+ * @name isBoolean
+ * @param {Mixed} value
+ * @param {String} message
+ * @api public
+ */
+
+ assert.isBoolean = function (val, msg) {
+ new Assertion(val, msg).to.be.a('boolean');
+ };
+
+ /**
+ * ### .isNotBoolean(value, [message])
+ *
+ * Asserts that `value` is _not_ a boolean.
+ *
+ * var teaReady = 'yep'
+ * , teaServed = 'nope';
+ *
+ * assert.isNotBoolean(teaReady, 'is the tea ready');
+ * assert.isNotBoolean(teaServed, 'has tea been served');
+ *
+ * @name isNotBoolean
+ * @param {Mixed} value
+ * @param {String} message
+ * @api public
+ */
+
+ assert.isNotBoolean = function (val, msg) {
+ new Assertion(val, msg).to.not.be.a('boolean');
+ };
+
+ /**
+ * ### .typeOf(value, name, [message])
+ *
+ * Asserts that `value`'s type is `name`, as determined by
+ * `Object.prototype.toString`.
+ *
+ * assert.typeOf({ tea: 'chai' }, 'object', 'we have an object');
+ * assert.typeOf(['chai', 'jasmine'], 'array', 'we have an array');
+ * assert.typeOf('tea', 'string', 'we have a string');
+ * assert.typeOf(/tea/, 'regexp', 'we have a regular expression');
+ * assert.typeOf(null, 'null', 'we have a null');
+ * assert.typeOf(undefined, 'undefined', 'we have an undefined');
+ *
+ * @name typeOf
+ * @param {Mixed} value
+ * @param {String} name
+ * @param {String} message
+ * @api public
+ */
+
+ assert.typeOf = function (val, type, msg) {
+ new Assertion(val, msg).to.be.a(type);
+ };
+
+ /**
+ * ### .notTypeOf(value, name, [message])
+ *
+ * Asserts that `value`'s type is _not_ `name`, as determined by
+ * `Object.prototype.toString`.
+ *
+ * assert.notTypeOf('tea', 'number', 'strings are not numbers');
+ *
+ * @name notTypeOf
+ * @param {Mixed} value
+ * @param {String} typeof name
+ * @param {String} message
+ * @api public
+ */
+
+ assert.notTypeOf = function (val, type, msg) {
+ new Assertion(val, msg).to.not.be.a(type);
+ };
+
+ /**
+ * ### .instanceOf(object, constructor, [message])
+ *
+ * Asserts that `value` is an instance of `constructor`.
+ *
+ * var Tea = function (name) { this.name = name; }
+ * , chai = new Tea('chai');
+ *
+ * assert.instanceOf(chai, Tea, 'chai is an instance of tea');
+ *
+ * @name instanceOf
+ * @param {Object} object
+ * @param {Constructor} constructor
+ * @param {String} message
+ * @api public
+ */
+
+ assert.instanceOf = function (val, type, msg) {
+ new Assertion(val, msg).to.be.instanceOf(type);
+ };
+
+ /**
+ * ### .notInstanceOf(object, constructor, [message])
+ *
+ * Asserts `value` is not an instance of `constructor`.
+ *
+ * var Tea = function (name) { this.name = name; }
+ * , chai = new String('chai');
+ *
+ * assert.notInstanceOf(chai, Tea, 'chai is not an instance of tea');
+ *
+ * @name notInstanceOf
+ * @param {Object} object
+ * @param {Constructor} constructor
+ * @param {String} message
+ * @api public
+ */
+
+ assert.notInstanceOf = function (val, type, msg) {
+ new Assertion(val, msg).to.not.be.instanceOf(type);
+ };
+
+ /**
+ * ### .include(haystack, needle, [message])
+ *
+ * Asserts that `haystack` includes `needle`. Works
+ * for strings and arrays.
+ *
+ * assert.include('foobar', 'bar', 'foobar contains string "bar"');
+ * assert.include([ 1, 2, 3 ], 3, 'array contains value');
+ *
+ * @name include
+ * @param {Array|String} haystack
+ * @param {Mixed} needle
+ * @param {String} message
+ * @api public
+ */
+
+ assert.include = function (exp, inc, msg) {
+ var obj = new Assertion(exp, msg);
+
+ if (Array.isArray(exp)) {
+ obj.to.include(inc);
+ } else if ('string' === typeof exp) {
+ obj.to.contain.string(inc);
+ } else {
+ throw new chai.AssertionError(
+ 'expected an array or string'
+ , null
+ , assert.include
+ );
+ }
+ };
+
+ /**
+ * ### .notInclude(haystack, needle, [message])
+ *
+ * Asserts that `haystack` does not include `needle`. Works
+ * for strings and arrays.
+ *i
+ * 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) {
+ var obj = new Assertion(exp, msg);
+
+ if (Array.isArray(exp)) {
+ obj.to.not.include(inc);
+ } else if ('string' === typeof exp) {
+ obj.to.not.contain.string(inc);
+ } else {
+ throw new chai.AssertionError(
+ 'expected an array or string'
+ , null
+ , assert.notInclude
+ );
+ }
+ };
+
+ /**
+ * ### .match(value, regexp, [message])
+ *
+ * Asserts that `value` matches the regular expression `regexp`.
+ *
+ * assert.match('foobar', /^foo/, 'regexp matches');
+ *
+ * @name match
+ * @param {Mixed} value
+ * @param {RegExp} regexp
+ * @param {String} message
+ * @api public
+ */
+
+ assert.match = function (exp, re, msg) {
+ new Assertion(exp, msg).to.match(re);
+ };
+
+ /**
+ * ### .notMatch(value, regexp, [message])
+ *
+ * Asserts that `value` does not match the regular expression `regexp`.
+ *
+ * assert.notMatch('foobar', /^foo/, 'regexp does not match');
+ *
+ * @name notMatch
+ * @param {Mixed} value
+ * @param {RegExp} regexp
+ * @param {String} message
+ * @api public
+ */
+
+ assert.notMatch = function (exp, re, msg) {
+ new Assertion(exp, msg).to.not.match(re);
+ };
+
+ /**
+ * ### .property(object, property, [message])
+ *
+ * Asserts that `object` has a property named by `property`.
+ *
+ * assert.property({ tea: { green: 'matcha' }}, 'tea');
+ *
+ * @name property
+ * @param {Object} object
+ * @param {String} property
+ * @param {String} message
+ * @api public
+ */
+
+ assert.property = function (obj, prop, msg) {
+ new Assertion(obj, msg).to.have.property(prop);
+ };
+
+ /**
+ * ### .notProperty(object, property, [message])
+ *
+ * Asserts that `object` does _not_ have a property named by `property`.
+ *
+ * assert.notProperty({ tea: { green: 'matcha' }}, 'coffee');
+ *
+ * @name notProperty
+ * @param {Object} object
+ * @param {String} property
+ * @param {String} message
+ * @api public
+ */
+
+ assert.notProperty = function (obj, prop, msg) {
+ new Assertion(obj, msg).to.not.have.property(prop);
+ };
+
+ /**
+ * ### .deepProperty(object, property, [message])
+ *
+ * Asserts that `object` has a property named by `property`, which can be a
+ * string using dot- and bracket-notation for deep reference.
+ *
+ * assert.deepProperty({ tea: { green: 'matcha' }}, 'tea.green');
+ *
+ * @name deepProperty
+ * @param {Object} object
+ * @param {String} property
+ * @param {String} message
+ * @api public
+ */
+
+ assert.deepProperty = function (obj, prop, msg) {
+ new Assertion(obj, msg).to.have.deep.property(prop);
+ };
+
+ /**
+ * ### .notDeepProperty(object, property, [message])
+ *
+ * Asserts that `object` does _not_ have a property named by `property`, which
+ * can be a string using dot- and bracket-notation for deep reference.
+ *
+ * assert.notDeepProperty({ tea: { green: 'matcha' }}, 'tea.oolong');
+ *
+ * @name notDeepProperty
+ * @param {Object} object
+ * @param {String} property
+ * @param {String} message
+ * @api public
+ */
+
+ assert.notDeepProperty = function (obj, prop, msg) {
+ new Assertion(obj, msg).to.not.have.deep.property(prop);
+ };
+
+ /**
+ * ### .propertyVal(object, property, value, [message])
+ *
+ * Asserts that `object` has a property named by `property` with value given
+ * by `value`.
+ *
+ * assert.propertyVal({ tea: 'is good' }, 'tea', 'is good');
+ *
+ * @name propertyVal
+ * @param {Object} object
+ * @param {String} property
+ * @param {Mixed} value
+ * @param {String} message
+ * @api public
+ */
+
+ assert.propertyVal = function (obj, prop, val, msg) {
+ new Assertion(obj, msg).to.have.property(prop, val);
+ };
+
+ /**
+ * ### .propertyNotVal(object, property, value, [message])
+ *
+ * Asserts that `object` has a property named by `property`, but with a value
+ * different from that given by `value`.
+ *
+ * assert.propertyNotVal({ tea: 'is good' }, 'tea', 'is bad');
+ *
+ * @name propertyNotVal
+ * @param {Object} object
+ * @param {String} property
+ * @param {Mixed} value
+ * @param {String} message
+ * @api public
+ */
+
+ assert.propertyNotVal = function (obj, prop, val, msg) {
+ new Assertion(obj, msg).to.not.have.property(prop, val);
+ };
+
+ /**
+ * ### .deepPropertyVal(object, property, value, [message])
+ *
+ * Asserts that `object` has a property named by `property` with value given
+ * by `value`. `property` can use dot- and bracket-notation for deep
+ * reference.
+ *
+ * assert.deepPropertyVal({ tea: { green: 'matcha' }}, 'tea.green', 'matcha');
+ *
+ * @name deepPropertyVal
+ * @param {Object} object
+ * @param {String} property
+ * @param {Mixed} value
+ * @param {String} message
+ * @api public
+ */
+
+ assert.deepPropertyVal = function (obj, prop, val, msg) {
+ new Assertion(obj, msg).to.have.deep.property(prop, val);
+ };
+
+ /**
+ * ### .deepPropertyNotVal(object, property, value, [message])
+ *
+ * Asserts that `object` has a property named by `property`, but with a value
+ * different from that given by `value`. `property` can use dot- and
+ * bracket-notation for deep reference.
+ *
+ * assert.deepPropertyNotVal({ tea: { green: 'matcha' }}, 'tea.green', 'konacha');
+ *
+ * @name deepPropertyNotVal
+ * @param {Object} object
+ * @param {String} property
+ * @param {Mixed} value
+ * @param {String} message
+ * @api public
+ */
+
+ assert.deepPropertyNotVal = function (obj, prop, val, msg) {
+ new Assertion(obj, msg).to.not.have.deep.property(prop, val);
+ };
+
+ /**
+ * ### .lengthOf(object, length, [message])
+ *
+ * Asserts that `object` has a `length` property with the expected value.
+ *
+ * assert.lengthOf([1,2,3], 3, 'array has length of 3');
+ * assert.lengthOf('foobar', 5, 'string has length of 6');
+ *
+ * @name lengthOf
+ * @param {Mixed} object
+ * @param {Number} length
+ * @param {String} message
+ * @api public
+ */
+
+ assert.lengthOf = function (exp, len, msg) {
+ new Assertion(exp, msg).to.have.length(len);
+ };
+
+ /**
+ * ### .throws(function, [constructor/string/regexp], [string/regexp], [message])
+ *
+ * Asserts that `function` will throw an error that is an instance of
+ * `constructor`, or alternately that it will throw an error with message
+ * matching `regexp`.
+ *
+ * assert.throw(fn, 'function throws a reference error');
+ * assert.throw(fn, /function throws a reference error/);
+ * assert.throw(fn, ReferenceError);
+ * assert.throw(fn, ReferenceError, 'function throws a reference error');
+ * assert.throw(fn, ReferenceError, /function throws a reference error/);
+ *
+ * @name throws
+ * @alias throw
+ * @alias Throw
+ * @param {Function} function
+ * @param {ErrorConstructor} constructor
+ * @param {RegExp} regexp
+ * @param {String} message
+ * @see https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Error#Error_types
+ * @api public
+ */
+
+ assert.Throw = function (fn, errt, errs, msg) {
+ if ('string' === typeof errt || errt instanceof RegExp) {
+ errs = errt;
+ errt = null;
+ }
+
+ new Assertion(fn, msg).to.Throw(errt, errs);
+ };
+
+ /**
+ * ### .doesNotThrow(function, [constructor/regexp], [message])
+ *
+ * Asserts that `function` will _not_ throw an error that is an instance of
+ * `constructor`, or alternately that it will not throw an error with message
+ * matching `regexp`.
+ *
+ * assert.doesNotThrow(fn, Error, 'function does not throw');
+ *
+ * @name doesNotThrow
+ * @param {Function} function
+ * @param {ErrorConstructor} constructor
+ * @param {RegExp} regexp
+ * @param {String} message
+ * @see https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Error#Error_types
+ * @api public
+ */
+
+ assert.doesNotThrow = function (fn, type, msg) {
+ if ('string' === typeof type) {
+ msg = type;
+ type = null;
+ }
+
+ new Assertion(fn, msg).to.not.Throw(type);
+ };
+
+ /**
+ * ### .operator(val1, operator, val2, [message])
+ *
+ * Compares two values using `operator`.
+ *
+ * assert.operator(1, '<', 2, 'everything is ok');
+ * assert.operator(1, '>', 2, 'this will fail');
+ *
+ * @name operator
+ * @param {Mixed} val1
+ * @param {String} operator
+ * @param {Mixed} val2
+ * @param {String} message
+ * @api public
+ */
+
+ assert.operator = function (val, operator, val2, msg) {
+ if (!~['==', '===', '>', '>=', '<', '<=', '!=', '!=='].indexOf(operator)) {
+ throw new Error('Invalid operator "' + operator + '"');
+ }
+ var test = new Assertion(eval(val + operator + val2), msg);
+ test.assert(
+ true === flag(test, 'object')
+ , 'expected ' + util.inspect(val) + ' to be ' + operator + ' ' + util.inspect(val2)
+ , 'expected ' + util.inspect(val) + ' to not be ' + operator + ' ' + util.inspect(val2) );
+ };
+
+ /**
+ * ### .closeTo(actual, expected, delta, [message])
+ *
+ * Asserts that the target is equal `expected`, to within a +/- `delta` range.
+ *
+ * assert.closeTo(1.5, 1, 0.5, 'numbers are close');
+ *
+ * @name closeTo
+ * @param {Number} actual
+ * @param {Number} expected
+ * @param {Number} delta
+ * @param {String} message
+ * @api public
+ */
+
+ assert.closeTo = function (act, exp, delta, msg) {
+ new Assertion(act, msg).to.be.closeTo(exp, delta);
+ };
+
+ /**
+ * ### .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} superset
+ * @param {Array} subset
+ * @param {String} message
+ * @api public
+ */
+
+ assert.sameMembers = function (set1, set2, msg) {
+ new Assertion(set1, msg).to.have.same.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);
+ }
+
+ /*!
+ * Undocumented / untested
+ */
+
+ assert.ifError = function (val, msg) {
+ new Assertion(val, msg).to.not.be.ok;
+ };
+
+ /*!
+ * Aliases.
+ */
+
+ (function alias(name, as){
+ assert[as] = assert[name];
+ return alias;
+ })
+ ('Throw', 'throw')
+ ('Throw', 'throws');
+};
+
+});
+require.register("chai/lib/chai/interface/expect.js", function(exports, require, module){
+/*!
+ * chai
+ * Copyright(c) 2011-2013 Jake Luer <jake@alogicalparadox.com>
+ * MIT Licensed
+ */
+
+module.exports = function (chai, util) {
+ chai.expect = function (val, message) {
+ return new chai.Assertion(val, message);
+ };
+};
+
+
+});
+require.register("chai/lib/chai/interface/should.js", function(exports, require, module){
+/*!
+ * chai
+ * Copyright(c) 2011-2013 Jake Luer <jake@alogicalparadox.com>
+ * MIT Licensed
+ */
+
+module.exports = function (chai, util) {
+ var Assertion = chai.Assertion;
+
+ function loadShould () {
+ // modify Object.prototype to have `should`
+ Object.defineProperty(Object.prototype, 'should',
+ {
+ set: function (value) {
+ // See https://github.com/chaijs/chai/issues/86: this makes
+ // `whatever.should = someValue` actually set `someValue`, which is
+ // especially useful for `global.should = require('chai').should()`.
+ //
+ // Note that we have to use [[DefineProperty]] instead of [[Put]]
+ // since otherwise we would trigger this very setter!
+ Object.defineProperty(this, 'should', {
+ value: value,
+ enumerable: true,
+ configurable: true,
+ writable: true
+ });
+ }
+ , get: function(){
+ if (this instanceof String || this instanceof Number) {
+ return new Assertion(this.constructor(this));
+ } else if (this instanceof Boolean) {
+ return new Assertion(this == true);
+ }
+ return new Assertion(this);
+ }
+ , configurable: true
+ });
+
+ var should = {};
+
+ should.equal = function (val1, val2, msg) {
+ new Assertion(val1, msg).to.equal(val2);
+ };
+
+ should.Throw = function (fn, errt, errs, msg) {
+ new Assertion(fn, msg).to.Throw(errt, errs);
+ };
+
+ should.exist = function (val, msg) {
+ new Assertion(val, msg).to.exist;
+ }
+
+ // negation
+ should.not = {}
+
+ should.not.equal = function (val1, val2, msg) {
+ new Assertion(val1, msg).to.not.equal(val2);
+ };
+
+ should.not.Throw = function (fn, errt, errs, msg) {
+ new Assertion(fn, msg).to.not.Throw(errt, errs);
+ };
+
+ should.not.exist = function (val, msg) {
+ new Assertion(val, msg).to.not.exist;
+ }
+
+ should['throw'] = should['Throw'];
+ should.not['throw'] = should.not['Throw'];
+
+ return should;
+ };
+
+ chai.should = loadShould;
+ chai.Should = loadShould;
+};
+
+});
+require.register("chai/lib/chai/utils/addChainableMethod.js", function(exports, require, module){
+/*!
+ * Chai - addChainingMethod utility
+ * Copyright(c) 2012-2013 Jake Luer <jake@alogicalparadox.com>
+ * MIT Licensed
+ */
+
+/*!
+ * Module dependencies
+ */
+
+var transferFlags = require('./transferFlags');
+
+/*!
+ * Module variables
+ */
+
+// Check whether `__proto__` is supported
+var hasProtoSupport = '__proto__' in Object;
+
+// Without `__proto__` support, this module will need to add properties to a function.
+// However, some Function.prototype methods cannot be overwritten,
+// and there seems no easy cross-platform way to detect them (@see chaijs/chai/issues/69).
+var excludeNames = /^(?:length|name|arguments|caller)$/;
+
+// 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 () { };
+
+ Object.defineProperty(ctx, name,
+ { get: function () {
+ chainingBehavior.call(this);
+
+ var assert = function () {
+ var result = method.apply(this, arguments);
+ return result === undefined ? this : result;
+ };
+
+ // Use `__proto__` if available
+ if (hasProtoSupport) {
+ // 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
+ });
+};
+
+});
+require.register("chai/lib/chai/utils/addMethod.js", function(exports, require, module){
+/*!
+ * Chai - addMethod utility
+ * Copyright(c) 2012-2013 Jake Luer <jake@alogicalparadox.com>
+ * MIT Licensed
+ */
+
+/**
+ * ### .addMethod (ctx, name, method)
+ *
+ * Adds a method to the prototype of an object.
+ *
+ * utils.addMethod(chai.Assertion.prototype, 'foo', function (str) {
+ * var obj = utils.flag(this, 'object');
+ * new chai.Assertion(obj).to.be.equal(str);
+ * });
+ *
+ * Can also be accessed directly from `chai.Assertion`.
+ *
+ * chai.Assertion.addMethod('foo', fn);
+ *
+ * Then can be used as any other assertion.
+ *
+ * expect(fooStr).to.be.foo('bar');
+ *
+ * @param {Object} ctx object to which the method is added
+ * @param {String} name of method to add
+ * @param {Function} method function to be used for name
+ * @name addMethod
+ * @api public
+ */
+
+module.exports = function (ctx, name, method) {
+ ctx[name] = function () {
+ var result = method.apply(this, arguments);
+ return result === undefined ? this : result;
+ };
+};
+
+});
+require.register("chai/lib/chai/utils/addProperty.js", function(exports, require, module){
+/*!
+ * Chai - addProperty utility
+ * Copyright(c) 2012-2013 Jake Luer <jake@alogicalparadox.com>
+ * MIT Licensed
+ */
+
+/**
+ * ### addProperty (ctx, name, getter)
+ *
+ * Adds a property to the prototype of an object.
+ *
+ * utils.addProperty(chai.Assertion.prototype, 'foo', function () {
+ * var obj = utils.flag(this, 'object');
+ * new chai.Assertion(obj).to.be.instanceof(Foo);
+ * });
+ *
+ * Can also be accessed directly from `chai.Assertion`.
+ *
+ * chai.Assertion.addProperty('foo', fn);
+ *
+ * Then can be used as any other assertion.
+ *
+ * expect(myFoo).to.be.foo;
+ *
+ * @param {Object} ctx object to which the property is added
+ * @param {String} name of property to add
+ * @param {Function} getter function to be used for name
+ * @name addProperty
+ * @api public
+ */
+
+module.exports = function (ctx, name, getter) {
+ Object.defineProperty(ctx, name,
+ { get: function () {
+ var result = getter.call(this);
+ return result === undefined ? this : result;
+ }
+ , configurable: true
+ });
+};
+
+});
+require.register("chai/lib/chai/utils/eql.js", function(exports, require, module){
+// This is (almost) directly from Node.js assert
+// https://github.com/joyent/node/blob/f8c335d0caf47f16d31413f89aa28eda3878e3aa/lib/assert.js
+
+module.exports = _deepEqual;
+
+var getEnumerableProperties = require('./getEnumerableProperties');
+
+// for the browser
+var Buffer;
+try {
+ Buffer = require('buffer').Buffer;
+} catch (ex) {
+ Buffer = {
+ isBuffer: function () { return false; }
+ };
+}
+
+function _deepEqual(actual, expected, memos) {
+
+ // 7.1. All identical values are equivalent, as determined by ===.
+ if (actual === expected) {
+ return true;
+
+ } else if (Buffer.isBuffer(actual) && Buffer.isBuffer(expected)) {
+ if (actual.length != expected.length) return false;
+
+ for (var i = 0; i < actual.length; i++) {
+ if (actual[i] !== expected[i]) return false;
+ }
+
+ return true;
+
+ // 7.2. If the expected value is a Date object, the actual value is
+ // equivalent if it is also a Date object that refers to the same time.
+ } else if (expected instanceof Date) {
+ if (!(actual instanceof Date)) return false;
+ return actual.getTime() === expected.getTime();
+
+ // 7.3. Other pairs that do not both pass typeof value == 'object',
+ // equivalence is determined by ==.
+ } else if (typeof actual != 'object' && typeof expected != 'object') {
+ return actual === expected;
+
+ } else if (expected instanceof RegExp) {
+ if (!(actual instanceof RegExp)) return false;
+ return actual.toString() === expected.toString();
+
+ // 7.4. For all other Object pairs, including Array objects, equivalence is
+ // determined by having the same number of owned properties (as verified
+ // with Object.prototype.hasOwnProperty.call), the same set of keys
+ // (although not necessarily the same order), equivalent values for every
+ // corresponding key, and an identical 'prototype' property. Note: this
+ // accounts for both named and indexed properties on Arrays.
+ } else {
+ return objEquiv(actual, expected, memos);
+ }
+}
+
+function isUndefinedOrNull(value) {
+ return value === null || value === undefined;
+}
+
+function isArguments(object) {
+ return Object.prototype.toString.call(object) == '[object Arguments]';
+}
+
+function objEquiv(a, b, memos) {
+ if (isUndefinedOrNull(a) || isUndefinedOrNull(b))
+ return false;
+
+ // an identical 'prototype' property.
+ if (a.prototype !== b.prototype) return false;
+
+ // check if we have already compared a and b
+ var i;
+ if (memos) {
+ for(i = 0; i < memos.length; i++) {
+ if ((memos[i][0] === a && memos[i][1] === b) ||
+ (memos[i][0] === b && memos[i][1] === a))
+ return true;
+ }
+ } else {
+ memos = [];
+ }
+
+ //~~~I've managed to break Object.keys through screwy arguments passing.
+ // Converting to array solves the problem.
+ if (isArguments(a)) {
+ if (!isArguments(b)) {
+ return false;
+ }
+ a = pSlice.call(a);
+ b = pSlice.call(b);
+ return _deepEqual(a, b, memos);
+ }
+ try {
+ var ka = getEnumerableProperties(a),
+ kb = getEnumerableProperties(b),
+ key;
+ } catch (e) {//happens when one is a string literal and the other isn't
+ return false;
+ }
+
+ // having the same number of owned properties (keys incorporates
+ // hasOwnProperty)
+ if (ka.length != kb.length)
+ return false;
+
+ //the same set of keys (although not necessarily the same order),
+ ka.sort();
+ kb.sort();
+ //~~~cheap key test
+ for (i = ka.length - 1; i >= 0; i--) {
+ if (ka[i] != kb[i])
+ return false;
+ }
+
+ // remember objects we have compared to guard against circular references
+ memos.push([ a, b ]);
+
+ //equivalent values for every corresponding key, and
+ //~~~possibly expensive deep test
+ for (i = ka.length - 1; i >= 0; i--) {
+ key = ka[i];
+ if (!_deepEqual(a[key], b[key], memos)) return false;
+ }
+
+ return true;
+}
+
+});
+require.register("chai/lib/chai/utils/flag.js", function(exports, require, module){
+/*!
+ * Chai - flag utility
+ * Copyright(c) 2012-2013 Jake Luer <jake@alogicalparadox.com>
+ * MIT Licensed
+ */
+
+/**
+ * ### flag(object ,key, [value])
+ *
+ * Get or set a flag value on an object. If a
+ * value is provided it will be set, else it will
+ * return the currently set value or `undefined` if
+ * the value is not set.
+ *
+ * utils.flag(this, 'foo', 'bar'); // setter
+ * utils.flag(this, 'foo'); // getter, returns `bar`
+ *
+ * @param {Object} object (constructed Assertion
+ * @param {String} key
+ * @param {Mixed} value (optional)
+ * @name flag
+ * @api private
+ */
+
+module.exports = function (obj, key, value) {
+ var flags = obj.__flags || (obj.__flags = Object.create(null));
+ if (arguments.length === 3) {
+ flags[key] = value;
+ } else {
+ return flags[key];
+ }
+};
+
+});
+require.register("chai/lib/chai/utils/getActual.js", function(exports, require, module){
+/*!
+ * Chai - getActual utility
+ * Copyright(c) 2012-2013 Jake Luer <jake@alogicalparadox.com>
+ * MIT Licensed
+ */
+
+/**
+ * # getActual(object, [actual])
+ *
+ * Returns the `actual` value for an Assertion
+ *
+ * @param {Object} object (constructed Assertion)
+ * @param {Arguments} chai.Assertion.prototype.assert arguments
+ */
+
+module.exports = function (obj, args) {
+ var actual = args[4];
+ return 'undefined' !== typeof actual ? actual : obj._obj;
+};
+
+});
+require.register("chai/lib/chai/utils/getEnumerableProperties.js", function(exports, require, module){
+/*!
+ * Chai - getEnumerableProperties utility
+ * Copyright(c) 2012-2013 Jake Luer <jake@alogicalparadox.com>
+ * MIT Licensed
+ */
+
+/**
+ * ### .getEnumerableProperties(object)
+ *
+ * This allows the retrieval of enumerable property names of an object,
+ * inherited or not.
+ *
+ * @param {Object} object
+ * @returns {Array}
+ * @name getEnumerableProperties
+ * @api public
+ */
+
+module.exports = function getEnumerableProperties(object) {
+ var result = [];
+ for (var name in object) {
+ result.push(name);
+ }
+ return result;
+};
+
+});
+require.register("chai/lib/chai/utils/getMessage.js", function(exports, require, module){
+/*!
+ * Chai - message composition utility
+ * Copyright(c) 2012-2013 Jake Luer <jake@alogicalparadox.com>
+ * MIT Licensed
+ */
+
+/*!
+ * Module dependancies
+ */
+
+var flag = require('./flag')
+ , getActual = require('./getActual')
+ , inspect = require('./inspect')
+ , objDisplay = require('./objDisplay');
+
+/**
+ * ### .getMessage(object, message, negateMessage)
+ *
+ * Construct the error message based on flags
+ * and template tags. Template tags will return
+ * a stringified inspection of the object referenced.
+ *
+ * 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');
+
+ msg = msg || '';
+ msg = msg
+ .replace(/#{this}/g, objDisplay(val))
+ .replace(/#{act}/g, objDisplay(actual))
+ .replace(/#{exp}/g, objDisplay(expected));
+
+ return flagMsg ? flagMsg + ': ' + msg : msg;
+};
+
+});
+require.register("chai/lib/chai/utils/getName.js", function(exports, require, module){
+/*!
+ * Chai - getName utility
+ * Copyright(c) 2012-2013 Jake Luer <jake@alogicalparadox.com>
+ * MIT Licensed
+ */
+
+/**
+ * # getName(func)
+ *
+ * Gets the name of a function, in a cross-browser way.
+ *
+ * @param {Function} a function (usually a constructor)
+ */
+
+module.exports = function (func) {
+ if (func.name) return func.name;
+
+ var match = /^\s?function ([^(]*)\(/.exec(func);
+ return match && match[1] ? match[1] : "";
+};
+
+});
+require.register("chai/lib/chai/utils/getPathValue.js", function(exports, require, module){
+/*!
+ * Chai - getPathValue utility
+ * Copyright(c) 2012-2013 Jake Luer <jake@alogicalparadox.com>
+ * @see https://github.com/logicalparadox/filtr
+ * MIT Licensed
+ */
+
+/**
+ * ### .getPathValue(path, object)
+ *
+ * This allows the retrieval of values in an
+ * object given a string path.
+ *
+ * var obj = {
+ * prop1: {
+ * arr: ['a', 'b', 'c']
+ * , str: 'Hello'
+ * }
+ * , prop2: {
+ * arr: [ { nested: 'Universe' } ]
+ * , str: 'Hello again!'
+ * }
+ * }
+ *
+ * The following would be the results.
+ *
+ * getPathValue('prop1.str', obj); // Hello
+ * getPathValue('prop1.att[2]', obj); // b
+ * getPathValue('prop2.arr[0].nested', obj); // Universe
+ *
+ * @param {String} path
+ * @param {Object} object
+ * @returns {Object} value or `undefined`
+ * @name getPathValue
+ * @api public
+ */
+
+var getPathValue = module.exports = function (path, obj) {
+ var parsed = parsePath(path);
+ return _getPathValue(parsed, obj);
+};
+
+/*!
+ * ## parsePath(path)
+ *
+ * Helper function used to parse string object
+ * paths. Use in conjunction with `_getPathValue`.
+ *
+ * var parsed = parsePath('myobject.property.subprop');
+ *
+ * ### Paths:
+ *
+ * * Can be as near infinitely deep and nested
+ * * Arrays are also valid using the formal `myobject.document[3].property`.
+ *
+ * @param {String} path
+ * @returns {Object} parsed
+ * @api private
+ */
+
+function parsePath (path) {
+ var str = path.replace(/\[/g, '.[')
+ , parts = str.match(/(\\\.|[^.]+?)+/g);
+ return parts.map(function (value) {
+ var re = /\[(\d+)\]$/
+ , mArr = re.exec(value)
+ if (mArr) return { i: parseFloat(mArr[1]) };
+ else return { p: value };
+ });
+};
+
+/*!
+ * ## _getPathValue(parsed, obj)
+ *
+ * Helper companion function for `.parsePath` that returns
+ * the value located at the parsed address.
+ *
+ * var value = getPathValue(parsed, obj);
+ *
+ * @param {Object} parsed definition from `parsePath`.
+ * @param {Object} object to search against
+ * @returns {Object|Undefined} value
+ * @api private
+ */
+
+function _getPathValue (parsed, obj) {
+ var tmp = obj
+ , res;
+ for (var i = 0, l = parsed.length; i < l; i++) {
+ var part = parsed[i];
+ if (tmp) {
+ if ('undefined' !== typeof part.p)
+ tmp = tmp[part.p];
+ else if ('undefined' !== typeof part.i)
+ tmp = tmp[part.i];
+ if (i == (l - 1)) res = tmp;
+ } else {
+ res = undefined;
+ }
+ }
+ return res;
+};
+
+});
+require.register("chai/lib/chai/utils/getProperties.js", function(exports, require, module){
+/*!
+ * Chai - getProperties utility
+ * Copyright(c) 2012-2013 Jake Luer <jake@alogicalparadox.com>
+ * MIT Licensed
+ */
+
+/**
+ * ### .getProperties(object)
+ *
+ * This allows the retrieval of property names of an object, enumerable or not,
+ * inherited or not.
+ *
+ * @param {Object} object
+ * @returns {Array}
+ * @name getProperties
+ * @api public
+ */
+
+module.exports = function getProperties(object) {
+ var result = Object.getOwnPropertyNames(subject);
+
+ function addProperty(property) {
+ if (result.indexOf(property) === -1) {
+ result.push(property);
+ }
+ }
+
+ var proto = Object.getPrototypeOf(subject);
+ while (proto !== null) {
+ Object.getOwnPropertyNames(proto).forEach(addProperty);
+ proto = Object.getPrototypeOf(proto);
+ }
+
+ return result;
+};
+
+});
+require.register("chai/lib/chai/utils/index.js", function(exports, require, module){
+/*!
+ * chai
+ * Copyright(c) 2011 Jake Luer <jake@alogicalparadox.com>
+ * MIT Licensed
+ */
+
+/*!
+ * Main exports
+ */
+
+var exports = module.exports = {};
+
+/*!
+ * test utility
+ */
+
+exports.test = require('./test');
+
+/*!
+ * type utility
+ */
+
+exports.type = require('./type');
+
+/*!
+ * message utility
+ */
+
+exports.getMessage = require('./getMessage');
+
+/*!
+ * actual utility
+ */
+
+exports.getActual = require('./getActual');
+
+/*!
+ * Inspect util
+ */
+
+exports.inspect = require('./inspect');
+
+/*!
+ * Object Display util
+ */
+
+exports.objDisplay = require('./objDisplay');
+
+/*!
+ * Flag utility
+ */
+
+exports.flag = require('./flag');
+
+/*!
+ * Flag transferring utility
+ */
+
+exports.transferFlags = require('./transferFlags');
+
+/*!
+ * Deep equal utility
+ */
+
+exports.eql = require('./eql');
+
+/*!
+ * Deep path value
+ */
+
+exports.getPathValue = require('./getPathValue');
+
+/*!
+ * Function name
+ */
+
+exports.getName = require('./getName');
+
+/*!
+ * add Property
+ */
+
+exports.addProperty = require('./addProperty');
+
+/*!
+ * add Method
+ */
+
+exports.addMethod = require('./addMethod');
+
+/*!
+ * overwrite Property
+ */
+
+exports.overwriteProperty = require('./overwriteProperty');
+
+/*!
+ * overwrite Method
+ */
+
+exports.overwriteMethod = require('./overwriteMethod');
+
+/*!
+ * Add a chainable method
+ */
+
+exports.addChainableMethod = require('./addChainableMethod');
+
+
+});
+require.register("chai/lib/chai/utils/inspect.js", function(exports, require, module){
+// This is (almost) directly from Node.js utils
+// https://github.com/joyent/node/blob/f8c335d0caf47f16d31413f89aa28eda3878e3aa/lib/util.js
+
+var getName = require('./getName');
+var getProperties = require('./getProperties');
+var getEnumerableProperties = require('./getEnumerableProperties');
+
+module.exports = inspect;
+
+/**
+ * Echos the value of a value. Trys to print the value out
+ * in the best way possible given the different types.
+ *
+ * @param {Object} obj The object to print out.
+ * @param {Boolean} showHidden Flag that shows hidden (not enumerable)
+ * properties of objects.
+ * @param {Number} depth Depth in which to descend in object. Default is 2.
+ * @param {Boolean} colors Flag to turn on ANSI escape codes to color the
+ * output. Default is false (no coloring).
+ */
+function inspect(obj, showHidden, depth, colors) {
+ var ctx = {
+ showHidden: showHidden,
+ seen: [],
+ stylize: function (str) { return str; }
+ };
+ return formatValue(ctx, obj, (typeof depth === 'undefined' ? 2 : depth));
+}
+
+// https://gist.github.com/1044128/
+var getOuterHTML = function(element) {
+ if ('outerHTML' in element) return element.outerHTML;
+ var ns = "http://www.w3.org/1999/xhtml";
+ var container = document.createElementNS(ns, '_');
+ var elemProto = (window.HTMLElement || window.Element).prototype;
+ var xmlSerializer = new XMLSerializer();
+ var html;
+ if (document.xmlVersion) {
+ return xmlSerializer.serializeToString(element);
+ } else {
+ container.appendChild(element.cloneNode(false));
+ html = container.innerHTML.replace('><', '>' + element.innerHTML + '<');
+ container.innerHTML = '';
+ return html;
+ }
+};
+
+// Returns true if object is a DOM element.
+var isDOMElement = function (object) {
+ if (typeof HTMLElement === 'object') {
+ return object instanceof HTMLElement;
+ } else {
+ return object &&
+ typeof object === 'object' &&
+ object.nodeType === 1 &&
+ typeof object.nodeName === 'string';
+ }
+};
+
+function formatValue(ctx, value, recurseTimes) {
+ // Provide a hook for user-specified inspect functions.
+ // Check that value is an object with an inspect function on it
+ if (value && typeof value.inspect === 'function' &&
+ // Filter out the util module, it's inspect function is special
+ value.inspect !== exports.inspect &&
+ // Also filter out any prototype objects using the circular check.
+ !(value.constructor && value.constructor.prototype === value)) {
+ 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 it's DOM elem, get outer HTML.
+ if (isDOMElement(value)) {
+ return getOuterHTML(value);
+ }
+
+ // Look up the keys of the object.
+ var visibleKeys = getEnumerableProperties(value);
+ var keys = ctx.showHidden ? getProperties(value) : visibleKeys;
+
+ // Some type of object without properties can be shortcutted.
+ // In IE, errors have a single `stack` property, or if they are vanilla `Error`,
+ // a `stack` plus `description` property; ignore those for consistency.
+ if (keys.length === 0 || (isError(value) && (
+ (keys.length === 1 && keys[0] === 'stack') ||
+ (keys.length === 2 && keys[0] === 'description' && keys[1] === 'stack')
+ ))) {
+ if (typeof value === 'function') {
+ var name = getName(value);
+ var nameSuffix = name ? ': ' + name : '';
+ return ctx.stylize('[Function' + nameSuffix + ']', 'special');
+ }
+ if (isRegExp(value)) {
+ return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');
+ }
+ if (isDate(value)) {
+ return ctx.stylize(Date.prototype.toUTCString.call(value), 'date');
+ }
+ if (isError(value)) {
+ return formatError(value);
+ }
+ }
+
+ var base = '', array = false, braces = ['{', '}'];
+
+ // Make Array say that they are Array
+ if (isArray(value)) {
+ array = true;
+ braces = ['[', ']'];
+ }
+
+ // Make functions say that they are functions
+ if (typeof value === 'function') {
+ var name = getName(value);
+ var nameSuffix = name ? ': ' + name : '';
+ base = ' [Function' + nameSuffix + ']';
+ }
+
+ // Make RegExps say that they are RegExps
+ if (isRegExp(value)) {
+ base = ' ' + RegExp.prototype.toString.call(value);
+ }
+
+ // Make dates with properties first say the date
+ if (isDate(value)) {
+ base = ' ' + Date.prototype.toUTCString.call(value);
+ }
+
+ // Make error with message first say the error
+ if (isError(value)) {
+ return formatError(value);
+ }
+
+ if (keys.length === 0 && (!array || value.length == 0)) {
+ return braces[0] + base + braces[1];
+ }
+
+ if (recurseTimes < 0) {
+ if (isRegExp(value)) {
+ return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');
+ } else {
+ return ctx.stylize('[Object]', 'special');
+ }
+ }
+
+ ctx.seen.push(value);
+
+ var output;
+ if (array) {
+ output = formatArray(ctx, value, recurseTimes, visibleKeys, keys);
+ } else {
+ output = keys.map(function(key) {
+ return formatProperty(ctx, value, recurseTimes, visibleKeys, key, array);
+ });
+ }
+
+ ctx.seen.pop();
+
+ return reduceToSingleString(output, base, braces);
+}
+
+
+function formatPrimitive(ctx, value) {
+ switch (typeof value) {
+ case 'undefined':
+ return ctx.stylize('undefined', 'undefined');
+
+ case 'string':
+ var simple = '\'' + JSON.stringify(value).replace(/^"|"$/g, '')
+ .replace(/'/g, "\\'")
+ .replace(/\\"/g, '"') + '\'';
+ return ctx.stylize(simple, 'string');
+
+ case 'number':
+ return ctx.stylize('' + value, 'number');
+
+ case 'boolean':
+ return ctx.stylize('' + value, 'boolean');
+ }
+ // For some reason typeof null is "object", so special case here.
+ if (value === null) {
+ return ctx.stylize('null', 'null');
+ }
+}
+
+
+function formatError(value) {
+ return '[' + Error.prototype.toString.call(value) + ']';
+}
+
+
+function formatArray(ctx, value, recurseTimes, visibleKeys, keys) {
+ var output = [];
+ for (var i = 0, l = value.length; i < l; ++i) {
+ if (Object.prototype.hasOwnProperty.call(value, String(i))) {
+ output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,
+ String(i), true));
+ } else {
+ output.push('');
+ }
+ }
+ keys.forEach(function(key) {
+ if (!key.match(/^\d+$/)) {
+ output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,
+ key, true));
+ }
+ });
+ return output;
+}
+
+
+function formatProperty(ctx, value, recurseTimes, visibleKeys, key, array) {
+ var name, str;
+ if (value.__lookupGetter__) {
+ if (value.__lookupGetter__(key)) {
+ if (value.__lookupSetter__(key)) {
+ str = ctx.stylize('[Getter/Setter]', 'special');
+ } else {
+ str = ctx.stylize('[Getter]', 'special');
+ }
+ } else {
+ if (value.__lookupSetter__(key)) {
+ str = ctx.stylize('[Setter]', 'special');
+ }
+ }
+ }
+ if (visibleKeys.indexOf(key) < 0) {
+ name = '[' + key + ']';
+ }
+ if (!str) {
+ if (ctx.seen.indexOf(value[key]) < 0) {
+ if (recurseTimes === null) {
+ str = formatValue(ctx, value[key], null);
+ } else {
+ str = formatValue(ctx, value[key], recurseTimes - 1);
+ }
+ if (str.indexOf('\n') > -1) {
+ if (array) {
+ str = str.split('\n').map(function(line) {
+ return ' ' + line;
+ }).join('\n').substr(2);
+ } else {
+ str = '\n' + str.split('\n').map(function(line) {
+ return ' ' + line;
+ }).join('\n');
+ }
+ }
+ } else {
+ str = ctx.stylize('[Circular]', 'special');
+ }
+ }
+ if (typeof name === 'undefined') {
+ if (array && key.match(/^\d+$/)) {
+ return str;
+ }
+ name = JSON.stringify('' + key);
+ if (name.match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)) {
+ name = name.substr(1, name.length - 2);
+ name = ctx.stylize(name, 'name');
+ } else {
+ name = name.replace(/'/g, "\\'")
+ .replace(/\\"/g, '"')
+ .replace(/(^"|"$)/g, "'");
+ name = ctx.stylize(name, 'string');
+ }
+ }
+
+ return name + ': ' + str;
+}
+
+
+function reduceToSingleString(output, base, braces) {
+ var numLinesEst = 0;
+ var length = output.reduce(function(prev, cur) {
+ numLinesEst++;
+ if (cur.indexOf('\n') >= 0) numLinesEst++;
+ return prev + cur.length + 1;
+ }, 0);
+
+ if (length > 60) {
+ return braces[0] +
+ (base === '' ? '' : base + '\n ') +
+ ' ' +
+ output.join(',\n ') +
+ ' ' +
+ braces[1];
+ }
+
+ return braces[0] + base + ' ' + output.join(', ') + ' ' + braces[1];
+}
+
+function isArray(ar) {
+ return Array.isArray(ar) ||
+ (typeof ar === 'object' && objectToString(ar) === '[object Array]');
+}
+
+function isRegExp(re) {
+ return typeof re === 'object' && objectToString(re) === '[object RegExp]';
+}
+
+function isDate(d) {
+ return typeof d === 'object' && objectToString(d) === '[object Date]';
+}
+
+function isError(e) {
+ return typeof e === 'object' && objectToString(e) === '[object Error]';
+}
+
+function objectToString(o) {
+ return Object.prototype.toString.call(o);
+}
+
+});
+require.register("chai/lib/chai/utils/objDisplay.js", function(exports, require, module){
+/*!
+ * Chai - flag utility
+ * Copyright(c) 2012-2013 Jake Luer <jake@alogicalparadox.com>
+ * MIT Licensed
+ */
+
+/*!
+ * Module dependancies
+ */
+
+var inspect = require('./inspect');
+
+/**
+ * ### .objDisplay (object)
+ *
+ * Determines if an object or an array matches
+ * criteria to be inspected in-line for error
+ * messages or should be truncated.
+ *
+ * @param {Mixed} javascript object to inspect
+ * @name objDisplay
+ * @api public
+ */
+
+module.exports = function (obj) {
+ var str = inspect(obj)
+ , type = Object.prototype.toString.call(obj);
+
+ if (str.length >= 40) {
+ if (type === '[object Function]') {
+ return !obj.name || obj.name === ''
+ ? '[Function]'
+ : '[Function: ' + obj.name + ']';
+ } else if (type === '[object Array]') {
+ return '[ Array(' + obj.length + ') ]';
+ } else if (type === '[object Object]') {
+ var keys = Object.keys(obj)
+ , kstr = keys.length > 2
+ ? keys.splice(0, 2).join(', ') + ', ...'
+ : keys.join(', ');
+ return '{ Object (' + kstr + ') }';
+ } else {
+ return str;
+ }
+ } else {
+ return str;
+ }
+};
+
+});
+require.register("chai/lib/chai/utils/overwriteMethod.js", function(exports, require, module){
+/*!
+ * Chai - overwriteMethod utility
+ * Copyright(c) 2012-2013 Jake Luer <jake@alogicalparadox.com>
+ * MIT Licensed
+ */
+
+/**
+ * ### overwriteMethod (ctx, name, fn)
+ *
+ * Overwites an already existing method and provides
+ * access to previous function. Must return function
+ * to be used for name.
+ *
+ * utils.overwriteMethod(chai.Assertion.prototype, 'equal', function (_super) {
+ * return function (str) {
+ * var obj = utils.flag(this, 'object');
+ * if (obj instanceof Foo) {
+ * new chai.Assertion(obj.value).to.equal(str);
+ * } else {
+ * _super.apply(this, arguments);
+ * }
+ * }
+ * });
+ *
+ * Can also be accessed directly from `chai.Assertion`.
+ *
+ * chai.Assertion.overwriteMethod('foo', fn);
+ *
+ * Then can be used as any other assertion.
+ *
+ * expect(myFoo).to.equal('bar');
+ *
+ * @param {Object} ctx object whose method is to be overwritten
+ * @param {String} name of method to overwrite
+ * @param {Function} method function that returns a function to be used for name
+ * @name overwriteMethod
+ * @api public
+ */
+
+module.exports = function (ctx, name, method) {
+ var _method = ctx[name]
+ , _super = function () { return this; };
+
+ if (_method && 'function' === typeof _method)
+ _super = _method;
+
+ ctx[name] = function () {
+ var result = method(_super).apply(this, arguments);
+ return result === undefined ? this : result;
+ }
+};
+
+});
+require.register("chai/lib/chai/utils/overwriteProperty.js", function(exports, require, module){
+/*!
+ * Chai - overwriteProperty utility
+ * Copyright(c) 2012-2013 Jake Luer <jake@alogicalparadox.com>
+ * MIT Licensed
+ */
+
+/**
+ * ### overwriteProperty (ctx, name, fn)
+ *
+ * Overwites an already existing property getter and provides
+ * access to previous value. Must return function to use as getter.
+ *
+ * utils.overwriteProperty(chai.Assertion.prototype, 'ok', function (_super) {
+ * return function () {
+ * var obj = utils.flag(this, 'object');
+ * if (obj instanceof Foo) {
+ * new chai.Assertion(obj.name).to.equal('bar');
+ * } else {
+ * _super.call(this);
+ * }
+ * }
+ * });
+ *
+ *
+ * Can also be accessed directly from `chai.Assertion`.
+ *
+ * chai.Assertion.overwriteProperty('foo', fn);
+ *
+ * Then can be used as any other assertion.
+ *
+ * expect(myFoo).to.be.ok;
+ *
+ * @param {Object} ctx object whose property is to be overwritten
+ * @param {String} name of property to overwrite
+ * @param {Function} getter function that returns a getter function to be used for name
+ * @name overwriteProperty
+ * @api public
+ */
+
+module.exports = function (ctx, name, getter) {
+ var _get = Object.getOwnPropertyDescriptor(ctx, name)
+ , _super = function () {};
+
+ if (_get && 'function' === typeof _get.get)
+ _super = _get.get
+
+ Object.defineProperty(ctx, name,
+ { get: function () {
+ var result = getter(_super).call(this);
+ return result === undefined ? this : result;
+ }
+ , configurable: true
+ });
+};
+
+});
+require.register("chai/lib/chai/utils/test.js", function(exports, require, module){
+/*!
+ * Chai - test utility
+ * Copyright(c) 2012-2013 Jake Luer <jake@alogicalparadox.com>
+ * MIT Licensed
+ */
+
+/*!
+ * Module dependancies
+ */
+
+var flag = require('./flag');
+
+/**
+ * # test(object, expression)
+ *
+ * Test and object for expression.
+ *
+ * @param {Object} object (constructed Assertion)
+ * @param {Arguments} chai.Assertion.prototype.assert arguments
+ */
+
+module.exports = function (obj, args) {
+ var negate = flag(obj, 'negate')
+ , expr = args[0];
+ return negate ? !expr : expr;
+};
+
+});
+require.register("chai/lib/chai/utils/transferFlags.js", function(exports, require, module){
+/*!
+ * Chai - transferFlags utility
+ * Copyright(c) 2012-2013 Jake Luer <jake@alogicalparadox.com>
+ * MIT Licensed
+ */
+
+/**
+ * ### transferFlags(assertion, object, includeAll = true)
+ *
+ * Transfer all the flags for `assertion` to `object`. If
+ * `includeAll` is set to `false`, then the base Chai
+ * assertion flags (namely `object`, `ssfi`, and `message`)
+ * will not be transferred.
+ *
+ *
+ * var newAssertion = new Assertion();
+ * utils.transferFlags(assertion, newAssertion);
+ *
+ * var anotherAsseriton = new Assertion(myObj);
+ * utils.transferFlags(assertion, anotherAssertion, false);
+ *
+ * @param {Assertion} assertion the assertion to transfer the flags from
+ * @param {Object} object the object to transfer the flags too; usually a new assertion
+ * @param {Boolean} includeAll
+ * @name getAllFlags
+ * @api private
+ */
+
+module.exports = function (assertion, object, includeAll) {
+ var flags = assertion.__flags || (assertion.__flags = Object.create(null));
+
+ if (!object.__flags) {
+ object.__flags = Object.create(null);
+ }
+
+ includeAll = arguments.length === 3 ? includeAll : true;
+
+ for (var flag in flags) {
+ if (includeAll ||
+ (flag !== 'object' && flag !== 'ssfi' && flag != 'message')) {
+ object.__flags[flag] = flags[flag];
+ }
+ }
+};
+
+});
+require.register("chai/lib/chai/utils/type.js", function(exports, require, module){
+/*!
+ * Chai - type utility
+ * Copyright(c) 2012-2013 Jake Luer <jake@alogicalparadox.com>
+ * MIT Licensed
+ */
+
+/*!
+ * Detectable javascript natives
+ */
+
+var natives = {
+ '[object Arguments]': 'arguments'
+ , '[object Array]': 'array'
+ , '[object Date]': 'date'
+ , '[object Function]': 'function'
+ , '[object Number]': 'number'
+ , '[object RegExp]': 'regexp'
+ , '[object String]': 'string'
+};
+
+/**
+ * ### type(object)
+ *
+ * Better implementation of `typeof` detection that can
+ * be used cross-browser. Handles the inconsistencies of
+ * Array, `null`, and `undefined` detection.
+ *
+ * utils.type({}) // 'object'
+ * utils.type(null) // `null'
+ * utils.type(undefined) // `undefined`
+ * utils.type([]) // `array`
+ *
+ * @param {Mixed} object to detect type of
+ * @name type
+ * @api private
+ */
+
+module.exports = function (obj) {
+ var str = Object.prototype.toString.call(obj);
+ if (natives[str]) return natives[str];
+ if (obj === null) return 'null';
+ if (obj === undefined) return 'undefined';
+ if (obj === Object(obj)) return 'object';
+ return typeof obj;
+};
+
+});
+require.alias("chaijs-assertion-error/index.js", "chai/deps/assertion-error/index.js");
+require.alias("chaijs-assertion-error/index.js", "chai/deps/assertion-error/index.js");
+require.alias("chaijs-assertion-error/index.js", "assertion-error/index.js");
+require.alias("chaijs-assertion-error/index.js", "chaijs-assertion-error/index.js");
+
+require.alias("chai/index.js", "chai/index.js");
+
+if (typeof exports == "object") {
+ module.exports = require("chai");
+} else if (typeof define == "function" && define.amd) {
+ define(function(){ return require("chai"); });
+} else {
+ this["chai"] = require("chai");
+}})();
\ No newline at end of file
fnp / fnpeditor.git / blobdiff