adding real browser tests

1 files changed, 3403 insertions, 0 deletions

diff --git a/test/support/chai.js b/test/support/chai.js
new file mode 100644
index 00000000..43fbf644
--- /dev/null
+++ b/test/support/chai.js
@@ -0,0 +1,3403 @@
+!function (name, definition) {
+  if (typeof define == 'function' && typeof define.amd  == 'object') define(definition);
+  else this[name] = definition();
+}('chai', function () {
+
+// CommonJS require()
+
+function require(p){
+    var path = require.resolve(p)
+      , mod = require.modules[path];
+    if (!mod) throw new Error('failed to require "' + p + '"');
+    if (!mod.exports) {
+      mod.exports = {};
+      mod.call(mod.exports, mod, mod.exports, require.relative(path));
+    }
+    return mod.exports;
+  }
+
+require.modules = {};
+
+require.resolve = function (path){
+    var orig = path
+      , reg = path + '.js'
+      , index = path + '/index.js';
+    return require.modules[reg] && reg
+      || require.modules[index] && index
+      || orig;
+  };
+
+require.register = function (path, fn){
+    require.modules[path] = fn;
+  };
+
+require.relative = function (parent) {
+    return function(p){
+      if ('.' != p[0]) return require(p);
+
+      var path = parent.split('/')
+        , segs = p.split('/');
+      path.pop();
+
+      for (var i = 0; i < segs.length; i++) {
+        var seg = segs[i];
+        if ('..' == seg) path.pop();
+        else if ('.' != seg) path.push(seg);
+      }
+
+      return require(path.join('/'));
+    };
+  };
+
+
+require.register("assertion.js", function(module, exports, require){
+/*!
+ * chai
+ * http://chaijs.com
+ * Copyright(c) 2011-2012 Jake Luer <[email protected]>
+ * MIT Licensed
+ */
+
+
+/*!
+ * Module dependencies.
+ */
+
+var AssertionError = require('./browser/error')
+  , toString = Object.prototype.toString
+  , util = require('./utils')
+  , flag = util.flag;
+
+/*!
+ * Module export.
+ */
+
+module.exports = Assertion;
+
+
+/*!
+ * Assertion Constructor
+ *
+ * Creates object for chaining.
+ *
+ * @api private
+ */
+
+function Assertion (obj, msg, stack) {
+  flag(this, 'ssfi', stack || arguments.callee);
+  flag(this, 'object', obj);
+  flag(this, 'message', msg);
+}
+
+/*!
+  * ### Assertion.includeStack
+  *
+  * User configurable property, influences whether stack trace
+  * is included in Assertion error message. Default of false
+  * suppresses stack trace in the error message
+  *
+  *     Assertion.includeStack = true;  // enable stack on error
+  *
+  * @api public
+  */
+
+Assertion.includeStack = false;
+
+Assertion.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) {
+  var msg = util.getMessage(this, arguments)
+    , actual = util.getActual(this, arguments)
+    , ok = util.test(this, arguments);
+
+  if (!ok) {
+    throw new AssertionError({
+        message: msg
+      , actual: actual
+      , expected: expected
+      , stackStartFunction: (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);
+    }
+});
+
+/**
+ * ### 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
+ * - and
+ * - have
+ * - with
+ *
+ * @name language chains
+ * @api public
+ */
+
+[ 'to', 'be', 'been'
+, 'is', 'and', 'have'
+, 'with' ].forEach(function (chain) {
+  Object.defineProperty(Assertion.prototype, chain,
+    { get: function () {
+        return this;
+      }
+    , configurable: true
+  });
+});
+
+/**
+ * ### .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
+ */
+
+Object.defineProperty(Assertion.prototype, 'not',
+  { get: function () {
+      flag(this, 'negate', true);
+      return this;
+    }
+  , configurable: 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
+ */
+
+Object.defineProperty(Assertion.prototype, 'deep',
+  { get: function () {
+      flag(this, 'deep', true);
+      return this;
+    }
+  , configurable: 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 (as revealed by `Object.prototype.toString`).
+ *
+ *     // 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
+ * @api public
+ */
+
+function an(type) {
+  var obj = flag(this, 'object')
+    , klassStart = type.charAt(0).toUpperCase()
+    , klass = klassStart + type.slice(1)
+    , article = ~[ 'A', 'E', 'I', 'O', 'U' ].indexOf(klassStart) ? 'an ' : 'a ';
+
+  this.assert(
+      '[object ' + klass + ']' === toString.call(obj)
+    , 'expected #{this} to be ' + article + type
+    , 'expected #{this} not to be ' + article + type
+    , '[object ' + klass + ']'
+    , toString.call(obj)
+  );
+}
+
+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
+ * @api public
+ */
+
+function includeChainingBehavior () {
+  flag(this, 'contains', true);
+}
+
+function include (val) {
+  var obj = flag(this, 'object')
+  this.assert(
+      ~obj.indexOf(val)
+    , 'expected #{this} to include ' + util.inspect(val)
+    , 'expected #{this} to not include ' + util.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
+ */
+
+Object.defineProperty(Assertion.prototype, 'ok',
+  { get: function () {
+      this.assert(
+          flag(this, 'object')
+        , 'expected #{this} to be truthy'
+        , 'expected #{this} to be falsy');
+
+      return this;
+    }
+  , configurable: true
+});
+
+/**
+ * ### .true
+ *
+ * Asserts that the target is `true`.
+ *
+ *     expect(true).to.be.true;
+ *     expect(1).to.not.be.true;
+ *
+ * @name true
+ * @api public
+ */
+
+Object.defineProperty(Assertion.prototype, 'true',
+  { get: function () {
+      this.assert(
+          true === flag(this, 'object')
+        , 'expected #{this} to be true'
+        , 'expected #{this} to be false'
+        , this.negate ? false : true
+      );
+
+      return this;
+    }
+  , configurable: true
+});
+
+/**
+ * ### .false
+ *
+ * Asserts that the target is `false`.
+ *
+ *     expect(false).to.be.false;
+ *     expect(0).to.not.be.false;
+ *
+ * @name false
+ * @api public
+ */
+
+Object.defineProperty(Assertion.prototype, 'false',
+  { get: function () {
+      this.assert(
+          false === flag(this, 'object')
+        , 'expected #{this} to be false'
+        , 'expected #{this} to be true'
+        , this.negate ? true : false
+      );
+
+      return this;
+    }
+  , configurable: true
+});
+
+/**
+ * ### .null
+ *
+ * Asserts that the target is `null`.
+ *
+ *     expect(null).to.be.null;
+ *     expect(undefined).not.to.be.null;
+ *
+ * @name null
+ * @api public
+ */
+
+Object.defineProperty(Assertion.prototype, 'null',
+  { get: function () {
+      this.assert(
+          null === flag(this, 'object')
+        , 'expected #{this} to be null'
+        , 'expected #{this} not to be null'
+        , this.negate ? false : true
+      );
+
+      return this;
+    }
+  , configurable: true
+});
+
+/**
+ * ### .undefined
+ *
+ * Asserts that the target is `undefined`.
+ *
+ *      expect(undefined).to.be.undefined;
+ *      expect(null).to.not.be.undefined;
+ *
+ * @name undefined
+ * @api public
+ */
+
+Object.defineProperty(Assertion.prototype, 'undefined',
+  { get: function () {
+      this.assert(
+          undefined === flag(this, 'object')
+        , 'expected #{this} to be undefined'
+        , 'expected #{this} not to be undefined'
+        , this.negate ? false : true
+      );
+
+      return this;
+    }
+  , configurable: true
+});
+
+/**
+ * ### .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
+ */
+
+Object.defineProperty(Assertion.prototype, 'exist',
+  { get: function () {
+      this.assert(
+          null != flag(this, 'object')
+        , 'expected #{this} to exist'
+        , 'expected #{this} to not exist'
+      );
+
+      return this;
+    }
+  , configurable: true
+});
+
+/**
+ * ### .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
+ */
+
+Object.defineProperty(Assertion.prototype, 'empty',
+  { get: 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');
+
+      return this;
+    }
+  , configurable: true
+});
+
+/**
+ * ### .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
+ * @param {Mixed} value
+ * @api public
+ */
+
+Assertion.prototype.equal = function (val) {
+  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);
+  }
+
+  return this;
+};
+
+/**
+ * ### .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
+ * @param {Mixed} value
+ * @api public
+ */
+
+Assertion.prototype.eql = function (obj) {
+  this.assert(
+      util.eql(obj, flag(this, 'object'))
+    , 'expected #{this} to deeply equal #{exp}'
+    , 'expected #{this} to not deeply equal #{exp}'
+    , obj );
+
+  return this;
+};
+
+/**
+ * ### .above(value)
+ *
+ * Asserts that the target is greater than `value`.
+ *
+ *     expect(10).to.be.above(5);
+ *
+ * @name above
+ * @alias gt
+ * @param {Number} value
+ * @api public
+ */
+
+Assertion.prototype.above = function (val) {
+  this.assert(
+      flag(this, 'object') > val
+    , 'expected #{this} to be above ' + val
+    , 'expected #{this} to be below ' + val);
+
+  return this;
+};
+
+/**
+ * ### .below(value)
+ *
+ * Asserts that the target is less than `value`.
+ *
+ *     expect(5).to.be.below(10);
+ *
+ * @name below
+ * @alias lt
+ * @param {Number} value
+ * @api public
+ */
+
+Assertion.prototype.below = function (val) {
+  this.assert(
+      flag(this, 'object') < val
+    , 'expected #{this} to be below ' + val
+    , 'expected #{this} to be above ' + val);
+
+  return this;
+};
+
+/**
+ * ### .within(start, finish)
+ *
+ * Asserts that the target is within a range.
+ *
+ *     expect(7).to.be.within(5,10);
+ *
+ * @name within
+ * @param {Number} start lowerbound inclusive
+ * @param {Number} finish upperbound inclusive
+ * @api public
+ */
+
+Assertion.prototype.within = function (start, finish) {
+  var obj = flag(this, 'object')
+    , range = start + '..' + finish;
+
+  this.assert(
+      obj >= start && obj <= finish
+    , 'expected #{this} to be within ' + range
+    , 'expected #{this} to not be within ' + range);
+
+  return this;
+};
+
+/**
+ * ### .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
+ * @alias instanceOf
+ * @api public
+ */
+
+Assertion.prototype.instanceOf = function (constructor) {
+  var name = util.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);
+
+  return this;
+};
+
+/**
+ * ### .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');
+ *     expect(obj).to.have.property('foo').to.be.a('string');
+ *
+ *     // 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');
+ *
+ * @name property
+ * @param {String} name
+ * @param {Mixed} value (optional)
+ * @returns value of property for chaining
+ * @api public
+ */
+
+Assertion.prototype.property = function (name, val) {
+  var obj = flag(this, 'object')
+    , value = flag(this, 'deep') ? util.getPathValue(name, obj) : obj[name]
+    , descriptor = flag(this, 'deep') ? 'deep property ' : 'property '
+    , negate = flag(this, 'negate');
+
+  if (negate && undefined !== val) {
+    if (undefined === value) {
+      throw new Error(util.inspect(obj) + ' has no ' + descriptor + util.inspect(name));
+    }
+  } else {
+    this.assert(
+        undefined !== value
+      , 'expected #{this} to have a ' + descriptor + util.inspect(name)
+      , 'expected #{this} to not have ' + descriptor + util.inspect(name));
+  }
+
+  if (undefined !== val) {
+    this.assert(
+        val === value
+      , 'expected #{this} to have a ' + descriptor + util.inspect(name) + ' of #{exp}, but got #{act}'
+      , 'expected #{this} to not have a ' + descriptor + util.inspect(name) + ' of #{act}'
+      , val
+      , value
+    );
+  }
+
+  flag(this, 'object', value);
+  return this;
+};
+
+/**
+ * ### .ownProperty(name)
+ *
+ * Asserts that the target has an own property `name`.
+ *
+ *     expect('test').to.have.ownProperty('length');
+ *
+ * @name ownProperty
+ * @alias haveOwnProperty
+ * @param {String} name
+ * @api public
+ */
+
+Assertion.prototype.ownProperty = function (name) {
+  var obj = flag(this, 'object');
+  this.assert(
+      obj.hasOwnProperty(name)
+    , 'expected #{this} to have own property ' + util.inspect(name)
+    , 'expected #{this} to not have own property ' + util.inspect(name));
+  return this;
+};
+
+/**
+ * ### .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);
+ *
+ * @name length
+ * @alias lengthOf
+ * @param {Number} length
+ * @api public
+ */
+
+Assertion.prototype.length = function (n) {
+  var obj = flag(this, 'object');
+  new Assertion(obj).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
+  );
+
+  return this;
+};
+
+/**
+ * ### .match(regexp)
+ *
+ * Asserts that the target matches a regular expression.
+ *
+ *     expect('foobar').to.match(/^foo/);
+ *
+ * @name match
+ * @param {RegExp} RegularExpression
+ * @api public
+ */
+
+Assertion.prototype.match = function (re) {
+  var obj = flag(this, 'object');
+  this.assert(
+      re.exec(obj)
+    , 'expected #{this} to match ' + re
+    , 'expected #{this} not to match ' + re);
+
+  return this;
+};
+
+
+/**
+ * ### .string(string)
+ *
+ * Asserts that the string target contains another string.
+ *
+ *     expect('foobar').to.have.string('bar');
+ *
+ * @name string
+ * @param {String} string
+ * @api public
+ */
+
+Assertion.prototype.string = function (str) {
+  var obj = flag(this, 'object');
+  new Assertion(obj).is.a('string');
+
+  this.assert(
+      ~obj.indexOf(str)
+    , 'expected #{this} to contain ' + util.inspect(str)
+    , 'expected #{this} to not contain ' + util.inspect(str));
+
+  return this;
+};
+
+/**
+ * ### .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
+ */
+
+Assertion.prototype.keys = function(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 util.inspect(key);
+    });
+    var last = keys.pop();
+    str = keys.join(', ') + ', and ' + last;
+  } else {
+    str = util.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
+    , keys
+    , Object.keys(obj)
+  );
+
+  return this;
+}
+
+/**
+ * ### .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
+ * @see https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Error#Error_types
+ * @api public
+ */
+
+Assertion.prototype.Throw = function (constructor, msg) {
+  var obj = flag(this, 'object');
+  new Assertion(obj).is.a('function');
+
+  var thrown = false
+    , desiredError = null
+    , name = null;
+
+  if (arguments.length === 0) {
+    msg = null;
+    constructor = null;
+  } else if (constructor && (constructor instanceof RegExp || 'string' === typeof constructor)) {
+    msg = constructor;
+    constructor = null;
+  } else if (constructor && constructor instanceof Error) {
+    desiredError = constructor;
+    constructor = null;
+    msg = 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 ' + util.inspect(desiredError) + ' but ' + util.inspect(err) + ' was thrown'
+        , 'expected #{this} to not throw ' + util.inspect(desiredError)
+      );
+      return this;
+    }
+    // next, check constructor
+    if (constructor) {
+      this.assert(
+          err instanceof constructor
+        , 'expected #{this} to throw ' + name + ' but a ' + err.name + ' was thrown'
+        , 'expected #{this} to not throw ' + name );
+      if (!msg) return this;
+    }
+    // next, check message
+    if (err.message && msg && msg instanceof RegExp) {
+      this.assert(
+          msg.exec(err.message)
+        , 'expected #{this} to throw error matching ' + msg + ' but got ' + util.inspect(err.message)
+        , 'expected #{this} to throw error not matching ' + msg
+      );
+      return this;
+    } else if (err.message && msg && 'string' === typeof msg) {
+      this.assert(
+          ~err.message.indexOf(msg)
+        , 'expected #{this} to throw error including #{exp} but got #{act}'
+        , 'expected #{this} to throw error not including #{act}'
+        , msg
+        , err.message
+      );
+      return this;
+    } else {
+      thrown = true;
+    }
+  }
+
+  var expectedThrown = name ? name : desiredError ? util.inspect(desiredError) : 'an error';
+
+  this.assert(
+      thrown === true
+    , 'expected #{this} to throw ' + expectedThrown
+    , 'expected #{this} to not throw ' + expectedThrown);
+
+  return this;
+};
+
+/**
+ * ### .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
+ * @api public
+ */
+
+Assertion.prototype.respondTo = function (method) {
+  var obj = flag(this, 'object')
+    , itself = flag(this, 'itself')
+    , context = ('function' === typeof obj && !itself)
+      ? obj.prototype[method]
+      : obj[method];
+
+  this.assert(
+      'function' === typeof context
+    , 'expected #{this} to respond to ' + util.inspect(method)
+    , 'expected #{this} to not respond to ' + util.inspect(method)
+    , 'function'
+    , typeof context
+  );
+
+  return this;
+};
+
+/**
+ * ### .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
+ */
+Object.defineProperty(Assertion.prototype, 'itself',
+  { get: function () {
+      flag(this, 'itself', true);
+      return this;
+    }
+  , configurable: 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
+ * @api public
+ */
+
+Assertion.prototype.satisfy = function (matcher) {
+  var obj = flag(this, 'object');
+  this.assert(
+      matcher(obj)
+    , 'expected #{this} to satisfy ' + util.inspect(matcher)
+    , 'expected #{this} to not satisfy' + util.inspect(matcher)
+    , this.negate ? false : true
+    , matcher(obj)
+  );
+
+  return this;
+};
+
+/**
+ * ### .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
+ * @api public
+ */
+
+Assertion.prototype.closeTo = function (expected, delta) {
+  var obj = flag(this, 'object');
+  this.assert(
+      (obj - delta === expected) || (obj + delta === expected)
+    , 'expected #{this} to be close to ' + expected + ' +/- ' + delta
+    , 'expected #{this} not to be close to ' + expected + ' +/- ' + delta);
+
+  return this;
+};
+
+/*!
+ * Aliases.
+ */
+
+(function alias(name, as){
+  Assertion.prototype[as] = Assertion.prototype[name];
+  return alias;
+})
+('equal', 'eq')
+('above', 'gt')
+('below', 'lt')
+('length', 'lengthOf')
+('keys', 'key')
+('ownProperty', 'haveOwnProperty')
+('above', 'greaterThan')
+('below', 'lessThan')
+('Throw', 'throws')
+('Throw', 'throw')
+('instanceOf', 'instanceof');
+
+}); // module: assertion.js
+
+require.register("browser/error.js", function(module, exports, require){
+/*!
+ * chai
+ * Copyright(c) 2011-2012 Jake Luer <[email protected]>
+ * MIT Licensed
+ */
+
+module.exports = AssertionError;
+
+function AssertionError (options) {
+  options = options || {};
+  this.message = options.message;
+  this.actual = options.actual;
+  this.expected = options.expected;
+  this.operator = options.operator;
+
+  if (options.stackStartFunction && Error.captureStackTrace) {
+    var stackStartFunction = options.stackStartFunction;
+    Error.captureStackTrace(this, stackStartFunction);
+  }
+}
+
+AssertionError.prototype = Object.create(Error.prototype);
+AssertionError.prototype.name = 'AssertionError';
+AssertionError.prototype.constructor = AssertionError;
+
+AssertionError.prototype.toString = function() {
+  return this.message;
+};
+
+}); // module: browser/error.js
+
+require.register("chai.js", function(module, exports, require){
+/*!
+ * chai
+ * Copyright(c) 2011-2012 Jake Luer <[email protected]>
+ * MIT Licensed
+ */
+
+var used = []
+  , exports = module.exports = {};
+
+/*!
+ * Chai version
+ */
+
+exports.version = '1.0.4';
+
+/*!
+ * Primary `Assertion` prototype
+ */
+
+exports.Assertion = require('./assertion');
+
+/*!
+ * Assertion Error
+ */
+
+exports.AssertionError = require('./browser/error');
+
+/*!
+ * Utils for plugins (not exported)
+ */
+
+var util = require('./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;
+};
+
+/*!
+ * Expect interface
+ */
+
+var expect = require('./interface/expect');
+exports.use(expect);
+
+/*!
+ * Should interface
+ */
+
+var should = require('./interface/should');
+exports.use(should);
+
+/*!
+ * Assert interface
+ */
+
+var assert = require('./interface/assert');
+exports.use(assert);
+
+}); // module: chai.js
+
+require.register("interface/assert.js", function(module, exports, require){
+/*!
+ * chai
+ * Copyright(c) 2011-2012 Jake Luer <[email protected]>
+ * MIT Licensed
+ */
+
+
+module.exports = function (chai, util) {
+
+  /*!
+   * Chai dependencies.
+   */
+
+  var Assertion = chai.Assertion
+    , flag = util.flag;
+
+  /*!
+   * Module export.
+   */
+
+  /**
+   * ### assert(expression, message)
+   *
+   * Write your own test expressions.
+   *
+   *     assert('foo' !== 'bar', 'foo is not bar');
+   *     assert(Array.isArray([]), 'empty arrays are arrays');
+   *
+   * @param {Mixed} expression to test for truthiness
+   * @param {String} message to display on error
+   * @name assert
+   * @api public
+   */
+
+  var assert = chai.assert = function (express, errmsg) {
+    var test = new Assertion(null);
+    test.assert(
+        express
+      , errmsg
+      , '[ negation message unavailable ]'
+    );
+  };
+
+  /**
+   * ### .fail(actual, expected, [message], [operator])
+   *
+   * Throw a failure. Node.js `assert` module-compatible.
+   *
+   * @name fail
+   * @param {Mixed} actual
+   * @param {Mixed} expected
+   * @param {String} message
+   * @param {String} operator
+   * @api public
+   */
+
+  assert.fail = function (actual, expected, message, operator) {
+    throw new chai.AssertionError({
+        actual: actual
+      , expected: expected
+      , message: message
+      , operator: operator
+      , stackStartFunction: assert.fail
+    });
+  };
+
+  /**
+   * ### .ok(object, [message])
+   *
+   * Asserts that `object` is truthy.
+   *
+   *     assert.ok('everything', 'everything is ok');
+   *     assert.ok(false, 'this will fail');
+   *
+   * @name ok
+   * @param {Mixed} object to test
+   * @param {String} message
+   * @api public
+   */
+
+  assert.ok = function (val, msg) {
+    new Assertion(val, msg).is.ok;
+  };
+
+  /**
+   * ### .equal(actual, expected, [message])
+   *
+   * Asserts non-strict equality (`==`) of `actual` and `expected`.
+   *
+   *     assert.equal(3, '3', '== coerces values to strings');
+   *
+   * @name equal
+   * @param {Mixed} actual
+   * @param {Mixed} expected
+   * @param {String} message
+   * @api public
+   */
+
+  assert.equal = function (act, exp, msg) {
+    var test = new Assertion(act, msg);
+
+    test.assert(
+        exp == flag(test, 'object')
+      , 'expected #{this} to equal #{exp}'
+      , 'expected #{this} to not equal #{act}'
+      , exp
+      , act
+    );
+  };
+
+  /**
+   * ### .notEqual(actual, expected, [message])
+   *
+   * Asserts non-strict inequality (`!=`) of `actual` and `expected`.
+   *
+   *     assert.notEqual(3, 4, 'these numbers are not equal');
+   *
+   * @name notEqual
+   * @param {Mixed} actual
+   * @param {Mixed} expected
+   * @param {String} message
+   * @api public
+   */
+
+  assert.notEqual = function (act, exp, msg) {
+    var test = new Assertion(act, msg);
+
+    test.assert(
+        exp != flag(test, 'object')
+      , 'expected #{this} to not equal #{exp}'
+      , 'expected #{this} to equal #{act}'
+      , exp
+      , act
+    );
+  };
+
+  /**
+   * ### .strictEqual(actual, expected, [message])
+   *
+   * Asserts strict equality (`===`) of `actual` and `expected`.
+   *
+   *     assert.strictEqual(true, true, 'these booleans are strictly equal');
+   *
+   * @name strictEqual
+   * @param {Mixed} actual
+   * @param {Mixed} expected
+   * @param {String} message
+   * @api public
+   */
+
+  assert.strictEqual = function (act, exp, msg) {
+    new Assertion(act, msg).to.equal(exp);
+  };
+
+  /**
+   * ### .notStrictEqual(actual, expected, [message])
+   *
+   * Asserts strict inequality (`!==`) of `actual` and `expected`.
+   *
+   *     assert.notStrictEqual(3, '3', 'no coercion for strict equality');
+   *
+   * @name notStrictEqual
+   * @param {Mixed} actual
+   * @param {Mixed} expected
+   * @param {String} message
+   * @api public
+   */
+
+  assert.notStrictEqual = function (act, exp, msg) {
+    new Assertion(act, msg).to.not.equal(exp);
+  };
+
+  /**
+   * ### .deepEqual(actual, expected, [message])
+   *
+   * Asserts that `actual` is deeply equal to `expected`.
+   *
+   *     assert.deepEqual({ tea: 'green' }, { tea: 'green' });
+   *
+   * @name deepEqual
+   * @param {Mixed} actual
+   * @param {Mixed} expected
+   * @param {String} message
+   * @api public
+   */
+
+  assert.deepEqual = function (act, exp, msg) {
+    new Assertion(act, msg).to.eql(exp);
+  };
+
+  /**
+   * ### .notDeepEqual(actual, expected, [message])
+   *
+   * Assert that `actual` is not deeply equal to `expected`.
+   *
+   *     assert.notDeepEqual({ tea: 'green' }, { tea: 'jasmine' });
+   *
+   * @name notDeepEqual
+   * @param {Mixed} actual
+   * @param {Mixed} expected
+   * @param {String} message
+   * @api public
+   */
+
+  assert.notDeepEqual = function (act, exp, msg) {
+    new Assertion(act, msg).to.not.eql(exp);
+  };
+
+  /**
+   * ### .isTrue(value, [message])
+   *
+   * Asserts that `value` is true.
+   *
+   *     var teaServed = true;
+   *     assert.isTrue(teaServed, 'the tea has been served');
+   *
+   * @name isTrue
+   * @param {Mixed} value
+   * @param {String} message
+   * @api public
+   */
+
+  assert.isTrue = function (val, msg) {
+    new Assertion(val, msg).is['true'];
+  };
+
+  /**
+   * ### .isFalse(value, [message])
+   *
+   * Asserts that `value` is false.
+   *
+   *     var teaServed = false;
+   *     assert.isFalse(teaServed, 'no tea yet? hmm...');
+   *
+   * @name isFalse
+   * @param {Mixed} value
+   * @param {String} message
+   * @api public
+   */
+
+  assert.isFalse = function (val, msg) {
+    new Assertion(val, msg).is['false'];
+  };
+
+  /**
+   * ### .isNull(value, [message])
+   *
+   * Asserts that `value` is null.
+   *
+   *     assert.isNull(err, 'there was no error');
+   *
+   * @name isNull
+   * @param {Mixed} value
+   * @param {String} message
+   * @api public
+   */
+
+  assert.isNull = function (val, msg) {
+    new Assertion(val, msg).to.equal(null);
+  };
+
+  /**
+   * ### .isNotNull(value, [message])
+   *
+   * Asserts that `value` is not null.
+   *
+   *     var tea = 'tasty chai';
+   *     assert.isNotNull(tea, 'great, time for tea!');
+   *
+   * @name isNotNull
+   * @param {Mixed} value
+   * @param {String} message
+   * @api public
+   */
+
+  assert.isNotNull = function (val, msg) {
+    new Assertion(val, msg).to.not.equal(null);
+  };
+
+  /**
+   * ### .isUndefined(value, [message])
+   *
+   * Asserts that `value` is `undefined`.
+   *
+   *     var tea;
+   *     assert.isUndefined(tea, 'no tea defined');
+   *
+   * @name isUndefined
+   * @param {Mixed} value
+   * @param {String} message
+   * @api public
+   */
+
+  assert.isUndefined = function (val, msg) {
+    new Assertion(val, msg).to.equal(undefined);
+  };
+
+  /**
+   * ### .isDefined(value, [message])
+   *
+   * Asserts that `value` is not `undefined`.
+   *
+   *     var tea = 'cup of chai';
+   *     assert.isDefined(tea, 'tea has been defined');
+   *
+   * @name isUndefined
+   * @param {Mixed} value
+   * @param {String} message
+   * @api public
+   */
+
+  assert.isDefined = function (val, msg) {
+    new Assertion(val, msg).to.not.equal(undefined);
+  };
+
+  /**
+   * ### .isFunction(value, [message])
+   *
+   * Asserts that `value` is a function.
+   *
+   *     function serveTea() { return 'cup of tea'; };
+   *     assert.isFunction(serveTea, 'great, we can have tea now');
+   *
+   * @name isFunction
+   * @param {Mixed} value
+   * @param {String} message
+   * @api public
+   */
+
+  assert.isFunction = function (val, msg) {
+    new Assertion(val, msg).to.be.a('function');
+  };
+
+  /**
+   * ### .isNotFunction(value, [message])
+   *
+   * Asserts that `value` is _not_ a function.
+   *
+   *     var serveTea = [ 'heat', 'pour', 'sip' ];
+   *     assert.isNotFunction(serveTea, 'great, we have listed the steps');
+   *
+   * @name isNotFunction
+   * @param {Mixed} value
+   * @param {String} message
+   * @api public
+   */
+
+  assert.isNotFunction = function (val, msg) {
+    new Assertion(val, msg).to.not.be.a('function');
+  };
+
+  /**
+   * ### .isObject(value, [message])
+   *
+   * Asserts that `value` is an object (as revealed by
+   * `Object.prototype.toString`).
+   *
+   *     var selection = { name: 'Chai', serve: 'with spices' };
+   *     assert.isObject(selection, 'tea selection is an object');
+   *
+   * @name isObject
+   * @param {Mixed} value
+   * @param {String} message
+   * @api public
+   */
+
+  assert.isObject = function (val, msg) {
+    new Assertion(val, msg).to.be.a('object');
+  };
+
+  /**
+   * ### .isNotObject(value, [message])
+   *
+   * Asserts that `value` is _not_ an object.
+   *
+   *     var selection = 'chai'
+   *     assert.isObject(selection, 'tea selection is not an object');
+   *     assert.isObject(null, 'null is not an object');
+   *
+   * @name isNotObject
+   * @param {Mixed} value
+   * @param {String} message
+   * @api public
+   */
+
+  assert.isNotObject = function (val, msg) {
+    new Assertion(val, msg).to.not.be.a('object');
+  };
+
+  /**
+   * ### .isArray(value, [message])
+   *
+   * Asserts that `value` is an array.
+   *
+   *     var menu = [ 'green', 'chai', 'oolong' ];
+   *     assert.isArray(menu, 'what kind of tea do we want?');
+   *
+   * @name isArray
+   * @param {Mixed} value
+   * @param {String} message
+   * @api public
+   */
+
+  assert.isArray = function (val, msg) {
+    new Assertion(val, msg).to.be.an('array');
+  };
+
+  /**
+   * ### .isNotArray(value, [message])
+   *
+   * Asserts that `value` is _not_ an array.
+   *
+   *     var menu = 'green|chai|oolong';
+   *     assert.isNotArray(menu, 'what kind of tea do we want?');
+   *
+   * @name isNotArray
+   * @param {Mixed} value
+   * @param {String} message
+   * @api public
+   */
+
+  assert.isNotArray = function (val, msg) {
+    new Assertion(val, msg).to.not.be.an('array');
+  };
+
+  /**
+   * ### .isString(value, [message])
+   *
+   * Asserts that `value` is a string.
+   *
+   *     var teaOrder = 'chai';
+   *     assert.isString(teaOrder, 'order placed');
+   *
+   * @name isString
+   * @param {Mixed} value
+   * @param {String} message
+   * @api public
+   */
+
+  assert.isString = function (val, msg) {
+    new Assertion(val, msg).to.be.a('string');
+  };
+
+  /**
+   * ### .isNotString(value, [message])
+   *
+   * Asserts that `value` is _not_ a string.
+   *
+   *     var teaOrder = 4;
+   *     assert.isNotString(teaOrder, 'order placed');
+   *
+   * @name isNotString
+   * @param {Mixed} value
+   * @param {String} message
+   * @api public
+   */
+
+  assert.isNotString = function (val, msg) {
+    new Assertion(val, msg).to.not.be.a('string');
+  };
+
+  /**
+   * ### .isNumber(value, [message])
+   *
+   * Asserts that `value` is a number.
+   *
+   *     var cups = 2;
+   *     assert.isNumber(cups, 'how many cups');
+   *
+   * @name isNumber
+   * @param {Number} value
+   * @param {String} message
+   * @api public
+   */
+
+  assert.isNumber = function (val, msg) {
+    new Assertion(val, msg).to.be.a('number');
+  };
+
+  /**
+   * ### .isNotNumber(value, [message])
+   *
+   * Asserts that `value` is _not_ a number.
+   *
+   *     var cups = '2 cups please';
+   *     assert.isNotNumber(cups, 'how many cups');
+   *
+   * @name isNotNumber
+   * @param {Mixed} value
+   * @param {String} message
+   * @api public
+   */
+
+  assert.isNotNumber = function (val, msg) {
+    new Assertion(val, msg).to.not.be.a('number');
+  };
+
+  /**
+   * ### .isBoolean(value, [message])
+   *
+   * Asserts that `value` is a boolean.
+   *
+   *     var teaReady = true
+   *       , teaServed = false;
+   *
+   *     assert.isBoolean(teaReady, 'is the tea ready');
+   *     assert.isBoolean(teaServed, 'has tea been served');
+   *
+   * @name isBoolean
+   * @param {Mixed} value
+   * @param {String} message
+   * @api public
+   */
+
+  assert.isBoolean = function (val, msg) {
+    new Assertion(val, msg).to.be.a('boolean');
+  };
+
+  /**
+   * ### .isNotBoolean(value, [message])
+   *
+   * Asserts that `value` is _not_ a boolean.
+   *
+   *     var teaReady = 'yep'
+   *       , teaServed = 'nope';
+   *
+   *     assert.isNotBoolean(teaReady, 'is the tea ready');
+   *     assert.isNotBoolean(teaServed, 'has tea been served');
+   *
+   * @name isNotBoolean
+   * @param {Mixed} value
+   * @param {String} message
+   * @api public
+   */
+
+  assert.isNotBoolean = function (val, msg) {
+    new Assertion(val, msg).to.not.be.a('boolean');
+  };
+
+  /**
+   * ### .typeOf(value, name, [message])
+   *
+   * Asserts that `value`'s type is `name`, as determined by
+   * `Object.prototype.toString`.
+   *
+   *     assert.typeOf({ tea: 'chai' }, 'object', 'we have an object');
+   *     assert.typeOf(['chai', 'jasmine'], 'array', 'we have an array');
+   *     assert.typeOf('tea', 'string', 'we have a string');
+   *     assert.typeOf(/tea/, 'regexp', 'we have a regular expression');
+   *     assert.typeOf(null, 'null', 'we have a null');
+   *     assert.typeOf(undefined, 'undefined', 'we have an undefined');
+   *
+   * @name typeOf
+   * @param {Mixed} value
+   * @param {String} name
+   * @param {String} message
+   * @api public
+   */
+
+  assert.typeOf = function (val, type, msg) {
+    new Assertion(val, msg).to.be.a(type);
+  };
+
+  /**
+   * ### .notTypeOf(value, name, [message])
+   *
+   * Asserts that `value`'s type is _not_ `name`, as determined by
+   * `Object.prototype.toString`.
+   *
+   *     assert.notTypeOf('tea', 'number', 'strings are not numbers');
+   *
+   * @name notTypeOf
+   * @param {Mixed} value
+   * @param {String} typeof name
+   * @param {String} message
+   * @api public
+   */
+
+  assert.notTypeOf = function (val, type, msg) {
+    new Assertion(val, msg).to.not.be.a(type);
+  };
+
+  /**
+   * ### .instanceOf(object, constructor, [message])
+   *
+   * Asserts that `value` is an instance of `constructor`.
+   *
+   *     var Tea = function (name) { this.name = name; }
+   *       , chai = new Tea('chai');
+   *
+   *     assert.instanceOf(chai, Tea, 'chai is an instance of tea');
+   *
+   * @name instanceOf
+   * @param {Object} object
+   * @param {Constructor} constructor
+   * @param {String} message
+   * @api public
+   */
+
+  assert.instanceOf = function (val, type, msg) {
+    new Assertion(val, msg).to.be.instanceOf(type);
+  };
+
+  /**
+   * ### .notInstanceOf(object, constructor, [message])
+   *
+   * Asserts `value` is not an instance of `constructor`.
+   *
+   *     var Tea = function (name) { this.name = name; }
+   *       , chai = new String('chai');
+   *
+   *     assert.notInstanceOf(chai, Tea, 'chai is not an instance of tea');
+   *
+   * @name notInstanceOf
+   * @param {Object} object
+   * @param {Constructor} constructor
+   * @param {String} message
+   * @api public
+   */
+
+  assert.notInstanceOf = function (val, type, msg) {
+    new Assertion(val, msg).to.not.be.instanceOf(type);
+  };
+
+  /**
+   * ### .include(haystack, needle, [message])
+   *
+   * Asserts that `haystack` includes `needle`. Works
+   * for strings and arrays.
+   *
+   *     assert.include('foobar', 'bar', 'foobar contains string "bar"');
+   *     assert.include([ 1, 2, 3 ], 3, 'array contains value');
+   *
+   * @name include
+   * @param {Array|String} haystack
+   * @param {Mixed} needle
+   * @param {String} message
+   * @api public
+   */
+
+  assert.include = function (exp, inc, msg) {
+    var obj = new Assertion(exp, msg);
+
+    if (Array.isArray(exp)) {
+      obj.to.include(inc);
+    } else if ('string' === typeof exp) {
+      obj.to.contain.string(inc);
+    }
+  };
+
+  /**
+   * ### .match(value, regexp, [message])
+   *
+   * Asserts that `value` matches the regular expression `regexp`.
+   *
+   *     assert.match('foobar', /^foo/, 'regexp matches');
+   *
+   * @name match
+   * @param {Mixed} value
+   * @param {RegExp} regexp
+   * @param {String} message
+   * @api public
+   */
+
+  assert.match = function (exp, re, msg) {
+    new Assertion(exp, msg).to.match(re);
+  };
+
+  /**
+   * ### .notMatch(value, regexp, [message])
+   *
+   * Asserts that `value` does not match the regular expression `regexp`.
+   *
+   *     assert.notMatch('foobar', /^foo/, 'regexp does not match');
+   *
+   * @name notMatch
+   * @param {Mixed} value
+   * @param {RegExp} regexp
+   * @param {String} message
+   * @api public
+   */
+
+  assert.notMatch = function (exp, re, msg) {
+    new Assertion(exp, msg).to.not.match(re);
+  };
+
+  /**
+   * ### .property(object, property, [message])
+   *
+   * Asserts that `object` has a property named by `property`.
+   *
+   *     assert.property({ tea: { green: 'matcha' }}, 'tea');
+   *
+   * @name property
+   * @param {Object} object
+   * @param {String} property
+   * @param {String} message
+   * @api public
+   */
+
+  assert.property = function (obj, prop, msg) {
+    new Assertion(obj, msg).to.have.property(prop);
+  };
+
+  /**
+   * ### .notProperty(object, property, [message])
+   *
+   * Asserts that `object` does _not_ have a property named by `property`.
+   *
+   *     assert.notProperty({ tea: { green: 'matcha' }}, 'coffee');
+   *
+   * @name notProperty
+   * @param {Object} object
+   * @param {String} property
+   * @param {String} message
+   * @api public
+   */
+
+  assert.notProperty = function (obj, prop, msg) {
+    new Assertion(obj, msg).to.not.have.property(prop);
+  };
+
+  /**
+   * ### .deepProperty(object, property, [message])
+   *
+   * Asserts that `object` has a property named by `property`, which can be a
+   * string using dot- and bracket-notation for deep reference.
+   *
+   *     assert.deepProperty({ tea: { green: 'matcha' }}, 'tea.green');
+   *
+   * @name deepProperty
+   * @param {Object} object
+   * @param {String} property
+   * @param {String} message
+   * @api public
+   */
+
+  assert.deepProperty = function (obj, prop, msg) {
+    new Assertion(obj, msg).to.have.deep.property(prop);
+  };
+
+  /**
+   * ### .notDeepProperty(object, property, [message])
+   *
+   * Asserts that `object` does _not_ have a property named by `property`, which
+   * can be a string using dot- and bracket-notation for deep reference.
+   *
+   *     assert.notDeepProperty({ tea: { green: 'matcha' }}, 'tea.oolong');
+   *
+   * @name notDeepProperty
+   * @param {Object} object
+   * @param {String} property
+   * @param {String} message
+   * @api public
+   */
+
+  assert.notDeepProperty = function (obj, prop, msg) {
+    new Assertion(obj, msg).to.not.have.deep.property(prop);
+  };
+
+  /**
+   * ### .propertyVal(object, property, value, [message])
+   *
+   * Asserts that `object` has a property named by `property` with value given
+   * by `value`.
+   *
+   *     assert.propertyVal({ tea: 'is good' }, 'tea', 'is good');
+   *
+   * @name propertyVal
+   * @param {Object} object
+   * @param {String} property
+   * @param {Mixed} value
+   * @param {String} message
+   * @api public
+   */
+
+  assert.propertyVal = function (obj, prop, val, msg) {
+    new Assertion(obj, msg).to.have.property(prop, val);
+  };
+
+  /**
+   * ### .propertyNotVal(object, property, value, [message])
+   *
+   * Asserts that `object` has a property named by `property`, but with a value
+   * different from that given by `value`.
+   *
+   *     assert.propertyNotVal({ tea: 'is good' }, 'tea', 'is bad');
+   *
+   * @name propertyNotVal
+   * @param {Object} object
+   * @param {String} property
+   * @param {Mixed} value
+   * @param {String} message
+   * @api public
+   */
+
+  assert.propertyNotVal = function (obj, prop, val, msg) {
+    new Assertion(obj, msg).to.not.have.property(prop, val);
+  };
+
+  /**
+   * ### .deepPropertyVal(object, property, value, [message])
+   *
+   * Asserts that `object` has a property named by `property` with value given
+   * by `value`. `property` can use dot- and bracket-notation for deep
+   * reference.
+   *
+   *     assert.deepPropertyVal({ tea: { green: 'matcha' }}, 'tea.green', 'matcha');
+   *
+   * @name deepPropertyVal
+   * @param {Object} object
+   * @param {String} property
+   * @param {Mixed} value
+   * @param {String} message
+   * @api public
+   */
+
+  assert.deepPropertyVal = function (obj, prop, val, msg) {
+    new Assertion(obj, msg).to.have.deep.property(prop, val);
+  };
+
+  /**
+   * ### .deepPropertyNotVal(object, property, value, [message])
+   *
+   * Asserts that `object` has a property named by `property`, but with a value
+   * different from that given by `value`. `property` can use dot- and
+   * bracket-notation for deep reference.
+   *
+   *     assert.deepPropertyNotVal({ tea: { green: 'matcha' }}, 'tea.green', 'konacha');
+   *
+   * @name deepPropertyNotVal
+   * @param {Object} object
+   * @param {String} property
+   * @param {Mixed} value
+   * @param {String} message
+   * @api public
+   */
+
+  assert.deepPropertyNotVal = function (obj, prop, val, msg) {
+    new Assertion(obj, msg).to.not.have.deep.property(prop, val);
+  };
+
+  /**
+   * ### .lengthOf(object, length, [message])
+   *
+   * Asserts that `object` has a `length` property with the expected value.
+   *
+   *     assert.lengthOf([1,2,3], 3, 'array has length of 3');
+   *     assert.lengthOf('foobar', 5, 'string has length of 6');
+   *
+   * @name lengthOf
+   * @param {Mixed} object
+   * @param {Number} length
+   * @param {String} message
+   * @api public
+   */
+
+  assert.lengthOf = function (exp, len, msg) {
+    new Assertion(exp, msg).to.have.length(len);
+  };
+
+  /**
+   * ### .throws(function, [constructor/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, 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, type, msg) {
+    if ('string' === typeof type) {
+      msg = type;
+      type = null;
+    }
+
+    new Assertion(fn, msg).to.Throw(type);
+  };
+
+  /**
+   * ### .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) );
+  };
+
+  /*!
+   * 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');
+};
+
+}); // module: interface/assert.js
+
+require.register("interface/expect.js", function(module, exports, require){
+/*!
+ * chai
+ * Copyright(c) 2011-2012 Jake Luer <[email protected]>
+ * MIT Licensed
+ */
+
+module.exports = function (chai, util) {
+  chai.expect = function (val, message) {
+    return new chai.Assertion(val, message);
+  };
+};
+
+
+}); // module: interface/expect.js
+
+require.register("interface/should.js", function(module, exports, require){
+/*!
+ * chai
+ * Copyright(c) 2011-2012 Jake Luer <[email protected]>
+ * 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 () {}
+      , 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) {
+      new Assertion(val1).to.equal(val2);
+    };
+
+    should.Throw = function (fn, errt, errs) {
+      new Assertion(fn).to.Throw(errt, errs);
+    };
+
+    should.exist = function (val) {
+      new Assertion(val).to.exist;
+    }
+
+    // negation
+    should.not = {}
+
+    should.not.equal = function (val1, val2) {
+      new Assertion(val1).to.not.equal(val2);
+    };
+
+    should.not.Throw = function (fn, errt, errs) {
+      new Assertion(fn).to.not.Throw(errt, errs);
+    };
+
+    should.not.exist = function (val) {
+      new Assertion(val).to.not.exist;
+    }
+
+    should['throw'] = should['Throw'];
+    should.not['throw'] = should.not['Throw'];
+
+    return should;
+  };
+
+  chai.should = loadShould;
+  chai.Should = loadShould;
+};
+
+}); // module: interface/should.js
+
+require.register("utils/addChainableMethod.js", function(module, exports, require){
+/*!
+ * Chai - addChainingMethod utility
+ * Copyright(c) 2012 Jake Luer <[email protected]>
+ * MIT Licensed
+ */
+
+/*!
+ * Module dependencies
+ */
+
+var transferFlags = require('./transferFlags');
+
+/**
+ * ### 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;
+        };
+
+        // Re-enumerate every time to better accomodate plugins.
+        var asserterNames = Object.getOwnPropertyNames(ctx);
+        asserterNames.forEach(function (asserterName) {
+          var pd = Object.getOwnPropertyDescriptor(ctx, asserterName)
+            , functionProtoPD = Object.getOwnPropertyDescriptor(Function.prototype, asserterName);
+          // Avoid trying to overwrite things that we can't, like `length` and `arguments`.
+          if (functionProtoPD && !functionProtoPD.configurable) return;
+          if (asserterName === 'arguments') return; // @see chaijs/chai/issues/69
+          Object.defineProperty(assert, asserterName, pd);
+        });
+
+        transferFlags(this, assert);
+        return assert;
+      }
+    , configurable: true
+  });
+};
+
+}); // module: utils/addChainableMethod.js
+
+require.register("utils/addMethod.js", function(module, exports, require){
+/*!
+ * Chai - addMethod utility
+ * Copyright(c) 2012 Jake Luer <[email protected]>
+ * 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;
+  };
+};
+
+}); // module: utils/addMethod.js
+
+require.register("utils/addProperty.js", function(module, exports, require){
+/*!
+ * Chai - addProperty utility
+ * Copyright(c) 2012 Jake Luer <[email protected]>
+ * 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
+  });
+};
+
+}); // module: utils/addProperty.js
+
+require.register("utils/eql.js", function(module, exports, require){
+// This is directly from Node.js assert
+// https://github.com/joyent/node/blob/f8c335d0caf47f16d31413f89aa28eda3878e3aa/lib/assert.js
+
+
+module.exports = _deepEqual;
+
+// For browser implementation
+if (!Buffer) {
+  var Buffer = {
+    isBuffer: function () {
+      return false;
+    }
+  };
+}
+
+function _deepEqual(actual, expected) {
+  // 7.1. All identical values are equivalent, as determined by ===.
+  if (actual === expected) {
+    return true;
+
+  } else if (Buffer.isBuffer(actual) && Buffer.isBuffer(expected)) {
+    if (actual.length != expected.length) return false;
+
+    for (var i = 0; i < actual.length; i++) {
+      if (actual[i] !== expected[i]) return false;
+    }
+
+    return true;
+
+  // 7.2. If the expected value is a Date object, the actual value is
+  // equivalent if it is also a Date object that refers to the same time.
+  } else if (actual instanceof Date && expected instanceof Date) {
+    return actual.getTime() === expected.getTime();
+
+  // 7.3. Other pairs that do not both pass typeof value == 'object',
+  // equivalence is determined by ==.
+  } else if (typeof actual != 'object' && typeof expected != 'object') {
+    return actual === expected;
+
+  // 7.4. For all other Object pairs, including Array objects, equivalence is
+  // determined by having the same number of owned properties (as verified
+  // with Object.prototype.hasOwnProperty.call), the same set of keys
+  // (although not necessarily the same order), equivalent values for every
+  // corresponding key, and an identical 'prototype' property. Note: this
+  // accounts for both named and indexed properties on Arrays.
+  } else {
+    return objEquiv(actual, expected);
+  }
+}
+
+function isUndefinedOrNull(value) {
+  return value === null || value === undefined;
+}
+
+function isArguments(object) {
+  return Object.prototype.toString.call(object) == '[object Arguments]';
+}
+
+function objEquiv(a, b) {
+  if (isUndefinedOrNull(a) || isUndefinedOrNull(b))
+    return false;
+  // an identical 'prototype' property.
+  if (a.prototype !== b.prototype) return false;
+  //~~~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);
+  }
+  try {
+    var ka = Object.keys(a),
+        kb = Object.keys(b),
+        key, i;
+  } 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;
+  }
+  //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])) return false;
+  }
+  return true;
+}
+}); // module: utils/eql.js
+
+require.register("utils/flag.js", function(module, exports, require){
+/*!
+ * Chai - flag utility
+ * Copyright(c) 2012 Jake Luer <[email protected]>
+ * 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];
+  }
+};
+
+}); // module: utils/flag.js
+
+require.register("utils/getActual.js", function(module, exports, require){
+/*!
+ * Chai - getActual utility
+ * Copyright(c) 2012 Jake Luer <[email protected]>
+ * 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' !== actual ? actual : obj.obj;
+};
+
+}); // module: utils/getActual.js
+
+require.register("utils/getMessage.js", function(module, exports, require){
+/*!
+ * Chai - message composition utility
+ * Copyright(c) 2012 Jake Luer <[email protected]>
+ * MIT Licensed
+ */
+
+/*!
+ * Module dependancies
+ */
+
+var flag = require('./flag')
+  , getActual = require('./getActual')
+  , inspect = require('./inspect');
+
+/**
+ * # getMessage(object, message, negateMessage)
+ *
+ * Construct the error message based on flags
+ * and template tags. Template tags will return
+ * a stringified inspection of the object referenced.
+ *
+ * Messsage template tags:
+ * - `#{this}` current asserted object
+ * - `#{act}` actual value
+ * - `#{exp}` expected value
+ *
+ * @param {Object} object (constructed Assertion)
+ * @param {Arguments} chai.Assertion.prototype.assert arguments
+ */
+
+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, inspect(val))
+    .replace(/#{act}/g, inspect(actual))
+    .replace(/#{exp}/g, inspect(expected));
+
+  return flagMsg ? flagMsg + ': ' + msg : msg;
+};
+
+}); // module: utils/getMessage.js
+
+require.register("utils/getName.js", function(module, exports, require){
+/*!
+ * Chai - getName utility
+ * Copyright(c) 2012 Jake Luer <[email protected]>
+ * 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] : "";
+};
+
+}); // module: utils/getName.js
+
+require.register("utils/getPathValue.js", function(module, exports, require){
+/*!
+ * Chai - getPathValue utility
+ * Copyright(c) 2012 Jake Luer <[email protected]>
+ * @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 parts = path.split('.').filter(Boolean);
+  return parts.map(function (value) {
+    var re = /([A-Za-z0-9]+)\[(\d+)\]$/
+      , mArr = re.exec(value)
+      , val;
+    if (mArr) val = { p: mArr[1], i: parseFloat(mArr[2]) };
+    return val || 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 ('object' === typeof part && tmp[part.p]) {
+        tmp = tmp[part.p][part.i];
+      } else {
+        tmp = tmp[part];
+      }
+      if (i == (l - 1)) res = tmp;
+    } else {
+      res = undefined;
+    }
+  }
+  return res;
+};
+
+}); // module: utils/getPathValue.js
+
+require.register("utils/index.js", function(module, exports, require){
+/*!
+ * chai
+ * Copyright(c) 2011 Jake Luer <[email protected]>
+ * MIT Licensed
+ */
+
+/*!
+ * Main exports
+ */
+
+var exports = module.exports = {};
+
+/*!
+ * test utility
+ */
+
+exports.test = require('./test');
+
+/*!
+ * message utility
+ */
+
+exports.getMessage = require('./getMessage');
+
+/*!
+ * actual utility
+ */
+
+exports.getActual = require('./getActual');
+
+/*!
+ * Inspect util
+ */
+
+exports.inspect = require('./inspect');
+
+/*!
+ * 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');
+
+
+}); // module: utils/index.js
+
+require.register("utils/inspect.js", function(module, exports, require){
+// This is (almost) directly from Node.js utils
+// https://github.com/joyent/node/blob/f8c335d0caf47f16d31413f89aa28eda3878e3aa/lib/util.js
+
+var getName = require('./getName');
+
+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));
+}
+
+function formatValue(ctx, value, recurseTimes) {
+  // Provide a hook for user-specified inspect functions.
+  // Check that value is an object with an inspect function on it
+  if (value && typeof value.inspect === 'function' &&
+      // Filter out the util module, it's inspect function is special
+      value.inspect !== exports.inspect &&
+      // Also filter out any prototype objects using the circular check.
+      !(value.constructor && value.constructor.prototype === value)) {
+    return value.inspect(recurseTimes);
+  }
+
+  // Primitive types cannot have properties
+  var primitive = formatPrimitive(ctx, value);
+  if (primitive) {
+    return primitive;
+  }
+
+  // Look up the keys of the object.
+  var visibleKeys = Object.keys(value);
+  var keys = ctx.showHidden ? Object.getOwnPropertyNames(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 n = value.name ? ': ' + value.name : '';
+    base = ' [Function' + n + ']';
+  }
+
+  // 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);
+}
+
+}); // module: utils/inspect.js
+
+require.register("utils/overwriteMethod.js", function(module, exports, require){
+/*!
+ * Chai - overwriteMethod utility
+ * Copyright(c) 2012 Jake Luer <[email protected]>
+ * 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;
+  }
+};
+
+}); // module: utils/overwriteMethod.js
+
+require.register("utils/overwriteProperty.js", function(module, exports, require){
+/*!
+ * Chai - overwriteProperty utility
+ * Copyright(c) 2012 Jake Luer <[email protected]>
+ * 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
+  });
+};
+
+}); // module: utils/overwriteProperty.js
+
+require.register("utils/test.js", function(module, exports, require){
+/*!
+ * Chai - test utility
+ * Copyright(c) 2012 Jake Luer <[email protected]>
+ * 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;
+};
+
+}); // module: utils/test.js
+
+require.register("utils/transferFlags.js", function(module, exports, require){
+/*!
+ * Chai - transferFlags utility
+ * Copyright(c) 2012 Jake Luer <[email protected]>
+ * 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];
+    }
+  }
+};
+
+}); // module: utils/transferFlags.js
+
+
+  return require('chai');
+});
\ No newline at end of file