text: /*
  YUI 3.8.0pr2 (build 154)
  Copyright 2012 Yahoo! Inc. All rights reserved.
  Licensed under the BSD License.
  http://yuilibrary.com/license/
  */
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If not provided, the entire item is removed.","         */","        removeAll: function(name, obj) {","            var data;","","            if (!obj) {","                data = this.data;","","                if (name in data) {","                    delete data[name];","                }","            } else {","                Y.each(obj, function(value, key) {","                    this.remove(name, typeof key === 'string' ? key : value);","                }, this);","            }","        },","","        /**","         * For a given item, returns the value of the property requested, or undefined if not found.","         *","         * @method get","         * @param name {String} The name of the item","         * @param key {String} Optional. The property value to retrieve.","         * @return {Any} The value of the supplied property.","         */","        get: function(name, key) {","            var item = this.data[name];","","            if (item) {","                return item[key];","            }","        },","","        /**","         * For the given item, returns an object with all of the","         * item's property/value pairs. By default the object returned","         * is a shallow copy of the stored data, but passing in true","         * as the second parameter will return a reference to the stored","         * data.","         *","         * @method getAll","         * @param name {String} The name of the item","         * @param reference {boolean} true, if you want a reference to the stored","         * object","         * @return {Object} An object with property/value pairs for the item.","         */","        getAll : function(name, reference) {","            var item = this.data[name],","                key, obj;","","            if (reference) {","                obj = item;","            } else if (item) {","                obj = {};","","                for (key in item) {","                    if (item.hasOwnProperty(key)) {","                        obj[key] = item[key];","                    }","                }","            }","","            return obj;","        }","    };","    /**","     * The attribute module provides an augmentable Attribute implementation, which","     * adds configurable attributes and attribute change events to the class being","     * augmented. It also provides a State class, which is used internally by Attribute,","     * but can also be used independently to provide a name/property/value data structure to","     * store state.","     *","     * @module attribute","     */","","    /**","     * The attribute-core submodule provides the lightest level of attribute handling support","     * without Attribute change events, or lesser used methods such as reset(), modifyAttrs(),","     * and removeAttr().","     *","     * @module attribute","     * @submodule attribute-core","     */","    var O = Y.Object,","        Lang = Y.Lang,","","        DOT = \".\",","","        // Externally configurable props","        GETTER = \"getter\",","        SETTER = \"setter\",","        READ_ONLY = \"readOnly\",","        WRITE_ONCE = \"writeOnce\",","        INIT_ONLY = \"initOnly\",","        VALIDATOR = \"validator\",","        VALUE = \"value\",","        VALUE_FN = \"valueFn\",","        LAZY_ADD = \"lazyAdd\",","","        // Used for internal state management","        ADDED = \"added\",","        BYPASS_PROXY = \"_bypassProxy\",","        INITIALIZING = \"initializing\",","        INIT_VALUE = \"initValue\",","        LAZY = \"lazy\",","        IS_LAZY_ADD = \"isLazyAdd\",","","        INVALID_VALUE;","","    /**","     * <p>","     * AttributeCore provides the lightest level of configurable attribute support. It is designed to be","     * augmented on to a host class, and provides the host with the ability to configure","     * attributes to store and retrieve state, <strong>but without support for attribute change events</strong>.","     * </p>","     * <p>For example, attributes added to the host can be configured:</p>","     * <ul>","     *     <li>As read only.</li>","     *     <li>As write once.</li>","     *     <li>With a setter function, which can be used to manipulate","     *     values passed to Attribute's <a href=\"#method_set\">set</a> method, before they are stored.</li>","     *     <li>With a getter function, which can be used to manipulate stored values,","     *     before they are returned by Attribute's <a href=\"#method_get\">get</a> method.</li>","     *     <li>With a validator function, to validate values before they are stored.</li>","     * </ul>","     *","     * <p>See the <a href=\"#method_addAttr\">addAttr</a> method, for the complete set of configuration","     * options available for attributes.</p>","     *","     * <p>Object/Classes based on AttributeCore can augment <a href=\"AttributeObservable.html\">AttributeObservable</a>","     * (with true for overwrite) and <a href=\"AttributeExtras.html\">AttributeExtras</a> to add attribute event and","     * additional, less commonly used attribute methods, such as `modifyAttr`, `removeAttr` and `reset`.</p>","     *","     * @class AttributeCore","     * @param attrs {Object} The attributes to add during construction (passed through to <a href=\"#method_addAttrs\">addAttrs</a>). These can also be defined on the constructor being augmented with Attribute by defining the ATTRS property on the constructor.","     * @param values {Object} The initial attribute values to apply (passed through to <a href=\"#method_addAttrs\">addAttrs</a>). These are not merged/cloned. The caller is responsible for isolating user provided values if required.","     * @param lazy {boolean} Whether or not to add attributes lazily (passed through to <a href=\"#method_addAttrs\">addAttrs</a>).","     */","    function AttributeCore(attrs, values, lazy) {","        // HACK: Fix #2531929","        // Complete hack, to make sure the first clone of a node value in IE doesn't doesn't hurt state - maintains 3.4.1 behavior.","        // Too late in the release cycle to do anything about the core problem.","        // The root issue is that cloning a Y.Node instance results in an object which barfs in IE, when you access it's properties (since 3.3.0).","        this._yuievt = null;","","        this._initAttrHost(attrs, values, lazy);","    }","","    /**","     * <p>The value to return from an attribute setter in order to prevent the set from going through.</p>","     *","     * <p>You can return this value from your setter if you wish to combine validator and setter","     * functionality into a single setter function, which either returns the massaged value to be stored or","     * AttributeCore.INVALID_VALUE to prevent invalid values from being stored.</p>","     *","     * @property INVALID_VALUE","     * @type Object","     * @static","     * @final","     */","    AttributeCore.INVALID_VALUE = {};","    INVALID_VALUE = AttributeCore.INVALID_VALUE;","","    /**","     * The list of properties which can be configured for","     * each attribute (e.g. setter, getter, writeOnce etc.).","     *","     * This property is used internally as a whitelist for faster","     * Y.mix operations.","     *","     * @property _ATTR_CFG","     * @type Array","     * @static","     * @protected","     */","    AttributeCore._ATTR_CFG = [SETTER, GETTER, VALIDATOR, VALUE, VALUE_FN, WRITE_ONCE, READ_ONLY, LAZY_ADD, BYPASS_PROXY];","","    /**","     * Utility method to protect an attribute configuration hash, by merging the","     * entire object and the individual attr config objects.","     *","     * @method protectAttrs","     * @static","     * @param {Object} attrs A hash of attribute to configuration object pairs.","     * @return {Object} A protected version of the `attrs` argument.","     */","    AttributeCore.protectAttrs = function (attrs) {","        if (attrs) {","            attrs = Y.merge(attrs);","            for (var attr in attrs) {","                if (attrs.hasOwnProperty(attr)) {","                    attrs[attr] = Y.merge(attrs[attr]);","                }","            }","        }","","        return attrs;","    };","","    AttributeCore.prototype = {","","        /**","         * Constructor logic for attributes. Initializes the host state, and sets up the inital attributes passed to the","         * constructor.","         *","         * @method _initAttrHost","         * @param attrs {Object} The attributes to add during construction (passed through to <a href=\"#method_addAttrs\">addAttrs</a>). These can also be defined on the constructor being augmented with Attribute by defining the ATTRS property on the constructor.","         * @param values {Object} The initial attribute values to apply (passed through to <a href=\"#method_addAttrs\">addAttrs</a>). These are not merged/cloned. The caller is responsible for isolating user provided values if required.","         * @param lazy {boolean} Whether or not to add attributes lazily (passed through to <a href=\"#method_addAttrs\">addAttrs</a>).","         * @private","         */","        _initAttrHost : function(attrs, values, lazy) {","            this._state = new Y.State();","            this._initAttrs(attrs, values, lazy);","        },","","        /**","         * <p>","         * Adds an attribute with the provided configuration to the host object.","         * </p>","         * <p>","         * The config argument object supports the following properties:","         * </p>","         *","         * <dl>","         *    <dt>value &#60;Any&#62;</dt>","         *    <dd>The initial value to set on the attribute</dd>","         *","         *    <dt>valueFn &#60;Function | String&#62;</dt>","         *    <dd>","         *    <p>A function, which will return the initial value to set on the attribute. This is useful","         *    for cases where the attribute configuration is defined statically, but needs to","         *    reference the host instance (\"this\") to obtain an initial value. If both the value and valueFn properties are defined,","         *    the value returned by the valueFn has precedence over the value property, unless it returns undefined, in which","         *    case the value property is used.</p>","         *","         *    <p>valueFn can also be set to a string, representing the name of the instance method to be used to retrieve the value.</p>","         *    </dd>","         *","         *    <dt>readOnly &#60;boolean&#62;</dt>","         *    <dd>Whether or not the attribute is read only. Attributes having readOnly set to true","         *        cannot be modified by invoking the set method.</dd>","         *","         *    <dt>writeOnce &#60;boolean&#62; or &#60;string&#62;</dt>","         *    <dd>","         *        Whether or not the attribute is \"write once\". Attributes having writeOnce set to true,","         *        can only have their values set once, be it through the default configuration,","         *        constructor configuration arguments, or by invoking set.","         *        <p>The writeOnce attribute can also be set to the string \"initOnly\", in which case the attribute can only be set during initialization","         *        (when used with Base, this means it can only be set during construction)</p>","         *    </dd>","         *","         *    <dt>setter &#60;Function | String&#62;</dt>","         *    <dd>","         *    <p>The setter function used to massage or normalize the value passed to the set method for the attribute.","         *    The value returned by the setter will be the final stored value. Returning","         *    <a href=\"#property_Attribute.INVALID_VALUE\">Attribute.INVALID_VALUE</a>, from the setter will prevent","         *    the value from being stored.","         *    </p>","         *","         *    <p>setter can also be set to a string, representing the name of the instance method to be used as the setter function.</p>","         *    </dd>","         *","         *    <dt>getter &#60;Function | String&#62;</dt>","         *    <dd>","         *    <p>","         *    The getter function used to massage or normalize the value returned by the get method for the attribute.","         *    The value returned by the getter function is the value which will be returned to the user when they","         *    invoke get.","         *    </p>","         *","         *    <p>getter can also be set to a string, representing the name of the instance method to be used as the getter function.</p>","         *    </dd>","         *","         *    <dt>validator &#60;Function | String&#62;</dt>","         *    <dd>","         *    <p>","         *    The validator function invoked prior to setting the stored value. Returning","         *    false from the validator function will prevent the value from being stored.","         *    </p>","         *","         *    <p>validator can also be set to a string, representing the name of the instance method to be used as the validator function.</p>","         *    </dd>","         *","         *    <dt>lazyAdd &#60;boolean&#62;</dt>","         *    <dd>Whether or not to delay initialization of the attribute until the first call to get/set it.","         *    This flag can be used to over-ride lazy initialization on a per attribute basis, when adding multiple attributes through","         *    the <a href=\"#method_addAttrs\">addAttrs</a> method.</dd>","         *","         * </dl>","         *","         * <p>The setter, getter and validator are invoked with the value and name passed in as the first and second arguments, and with","         * the context (\"this\") set to the host object.</p>","         *","         * <p>Configuration properties outside of the list mentioned above are considered private properties used internally by attribute,","         * and are not intended for public use.</p>","         *","         * @method addAttr","         *","         * @param {String} name The name of the attribute.","         * @param {Object} config An object with attribute configuration property/value pairs, specifying the configuration for the attribute.","         *","         * <p>","         * <strong>NOTE:</strong> The configuration object is modified when adding an attribute, so if you need","         * to protect the original values, you will need to merge the object.","         * </p>","         *","         * @param {boolean} lazy (optional) Whether or not to add this attribute lazily (on the first call to get/set).","         *","         * @return {Object} A reference to the host object.","         *","         * @chainable","         */","        addAttr: function(name, config, lazy) {","","","            var host = this, // help compression","                state = host._state,","                value,","                hasValue;","","            config = config || {};","","            lazy = (LAZY_ADD in config) ? config[LAZY_ADD] : lazy;","","            if (lazy && !host.attrAdded(name)) {","                state.addAll(name, {","                    lazy : config,","                    added : true","                });","            } else {","","","                if (!host.attrAdded(name) || state.get(name, IS_LAZY_ADD)) {","","                    hasValue = (VALUE in config);","","","                    if (hasValue) {","                        // We'll go through set, don't want to set value in config directly","                        value = config.value;","                        delete config.value;","                    }","","                    config.added = true;","                    config.initializing = true;","","                    state.addAll(name, config);","","                    if (hasValue) {","                        // Go through set, so that raw values get normalized/validated","                        host.set(name, value);","                    }","","                    state.remove(name, INITIALIZING);","                }","            }","","            return host;","        },","","        /**","         * Checks if the given attribute has been added to the host","         *","         * @method attrAdded","         * @param {String} name The name of the attribute to check.","         * @return {boolean} true if an attribute with the given name has been added, false if it hasn't. This method will return true for lazily added attributes.","         */","        attrAdded: function(name) {","            return !!this._state.get(name, ADDED);","        },","","        /**","         * Returns the current value of the attribute. If the attribute","         * has been configured with a 'getter' function, this method will delegate","         * to the 'getter' to obtain the value of the attribute.","         *","         * @method get","         *","         * @param {String} name The name of the attribute. If the value of the attribute is an Object,","         * dot notation can be used to obtain the value of a property of the object (e.g. <code>get(\"x.y.z\")</code>)","         *","         * @return {Any} The value of the attribute","         */","        get : function(name) {","            return this._getAttr(name);","        },","","        /**","         * Checks whether or not the attribute is one which has been","         * added lazily and still requires initialization.","         *","         * @method _isLazyAttr","         * @private","         * @param {String} name The name of the attribute","         * @return {boolean} true if it's a lazily added attribute, false otherwise.","         */","        _isLazyAttr: function(name) {","            return this._state.get(name, LAZY);","        },","","        /**","         * Finishes initializing an attribute which has been lazily added.","         *","         * @method _addLazyAttr","         * @private","         * @param {Object} name The name of the attribute","         */","        _addLazyAttr: function(name, cfg) {","            var state = this._state,","                lazyCfg = state.get(name, LAZY);","","            state.add(name, IS_LAZY_ADD, true);","            state.remove(name, LAZY);","            this.addAttr(name, lazyCfg);","        },","","        /**","         * Sets the value of an attribute.","         *","         * @method set","         * @chainable","         *","         * @param {String} name The name of the attribute. If the","         * current value of the attribute is an Object, dot notation can be used","         * to set the value of a property within the object (e.g. <code>set(\"x.y.z\", 5)</code>).","         *","         * @param {Any} value The value to set the attribute to.","         *","         * @return {Object} A reference to the host object.","         */","        set : function(name, val) {","            return this._setAttr(name, val);","        },","","        /**","         * Allows setting of readOnly/writeOnce attributes. See <a href=\"#method_set\">set</a> for argument details.","         *","         * @method _set","         * @protected","         * @chainable","         *","         * @param {String} name The name of the attribute.","         * @param {Any} val The value to set the attribute to.","         * @return {Object} A reference to the host object.","         */","        _set : function(name, val) {","            return this._setAttr(name, val, null, true);","        },","","        /**","         * Provides the common implementation for the public set and protected _set methods.","         *","         * See <a href=\"#method_set\">set</a> for argument details.","         *","         * @method _setAttr","         * @protected","         * @chainable","         *","         * @param {String} name The name of the attribute.","         * @param {Any} value The value to set the attribute to.","         * @param {Object} opts (Optional) Optional event data to be mixed into","         * the event facade passed to subscribers of the attribute's change event.","         * This is currently a hack. There's no real need for the AttributeCore implementation","         * to support this parameter, but breaking it out into AttributeObservable, results in","         * additional function hops for the critical path.","         * @param {boolean} force If true, allows the caller to set values for","         * readOnly or writeOnce attributes which have already been set.","         *","         * @return {Object} A reference to the host object.","         */","        _setAttr : function(name, val, opts, force)  {","","            // HACK - no real reason core needs to know about opts, but","            // it adds fn hops if we want to break it out.","            // Not sure it's worth it for this critical path","","            var allowSet = true,","                state = this._state,","                stateProxy = this._stateProxy,","                cfg,","                initialSet,","                strPath,","                path,","                currVal,","                writeOnce,","                initializing;","","            if (name.indexOf(DOT) !== -1) {","                strPath = name;","                path = name.split(DOT);","                name = path.shift();","            }","","            if (this._isLazyAttr(name)) {","                this._addLazyAttr(name);","            }","","            cfg = state.getAll(name, true) || {};","","            initialSet = (!(VALUE in cfg));","","            if (stateProxy && name in stateProxy && !cfg._bypassProxy) {","                // TODO: Value is always set for proxy. Can we do any better? Maybe take a snapshot as the initial value for the first call to set?","                initialSet = false;","            }","","            writeOnce = cfg.writeOnce;","            initializing = cfg.initializing;","","            if (!initialSet && !force) {","","                if (writeOnce) {","                    allowSet = false;","                }","","                if (cfg.readOnly) {","                    allowSet = false;","                }","            }","","            if (!initializing && !force && writeOnce === INIT_ONLY) {","                allowSet = false;","            }","","            if (allowSet) {","                // Don't need currVal if initialSet (might fail in custom getter if it always expects a non-undefined/non-null value)","                if (!initialSet) {","                    currVal =  this.get(name);","                }","","                if (path) {","                   val = O.setValue(Y.clone(currVal), path, val);","","                   if (val === undefined) {","                       allowSet = false;","                   }","                }","","                if (allowSet) {","                    if (!this._fireAttrChange || initializing) {","                        this._setAttrVal(name, strPath, currVal, val);","                    } else {","                        // HACK - no real reason core needs to know about _fireAttrChange, but","                        // it adds fn hops if we want to break it out. Not sure it's worth it for this critical path","                        this._fireAttrChange(name, strPath, currVal, val, opts);","                    }","                }","            }","","            return this;","        },","","        /**","         * Provides the common implementation for the public get method,","         * allowing Attribute hosts to over-ride either method.","         *","         * See <a href=\"#method_get\">get</a> for argument details.","         *","         * @method _getAttr","         * @protected","         * @chainable","         *","         * @param {String} name The name of the attribute.","         * @return {Any} The value of the attribute.","         */","        _getAttr : function(name) {","            var host = this, // help compression","                fullName = name,","                state = host._state,","                path,","                getter,","                val,","                cfg;","","            if (name.indexOf(DOT) !== -1) {","                path = name.split(DOT);","                name = path.shift();","            }","","            // On Demand - Should be rare - handles out of order valueFn references","            if (host._tCfgs && host._tCfgs[name]) {","                cfg = {};","                cfg[name] = host._tCfgs[name];","                delete host._tCfgs[name];","                host._addAttrs(cfg, host._tVals);","            }","","            // Lazy Init","            if (host._isLazyAttr(name)) {","                host._addLazyAttr(name);","            }","","            val = host._getStateVal(name);","","            getter = state.get(name, GETTER);","","            if (getter && !getter.call) {","                getter = this[getter];","            }","","            val = (getter) ? getter.call(host, val, fullName) : val;","            val = (path) ? O.getValue(val, path) : val;","","            return val;","        },","","        /**","         * Gets the stored value for the attribute, from either the","         * internal state object, or the state proxy if it exits","         *","         * @method _getStateVal","         * @private","         * @param {String} name The name of the attribute","         * @return {Any} The stored value of the attribute","         */","        _getStateVal : function(name) {","            var stateProxy = this._stateProxy;","            return stateProxy && (name in stateProxy) && !this._state.get(name, BYPASS_PROXY) ? stateProxy[name] : this._state.get(name, VALUE);","        },","","        /**","         * Sets the stored value for the attribute, in either the","         * internal state object, or the state proxy if it exits","         *","         * @method _setStateVal","         * @private","         * @param {String} name The name of the attribute","         * @param {Any} value The value of the attribute","         */","        _setStateVal : function(name, value) {","            var stateProxy = this._stateProxy;","            if (stateProxy && (name in stateProxy) && !this._state.get(name, BYPASS_PROXY)) {","                stateProxy[name] = value;","            } else {","                this._state.add(name, VALUE, value);","            }","        },","","        /**","         * Updates the stored value of the attribute in the privately held State object,","         * if validation and setter passes.","         *","         * @method _setAttrVal","         * @private","         * @param {String} attrName The attribute name.","         * @param {String} subAttrName The sub-attribute name, if setting a sub-attribute property (\"x.y.z\").","         * @param {Any} prevVal The currently stored value of the attribute.","         * @param {Any} newVal The value which is going to be stored.","         *","         * @return {booolean} true if the new attribute value was stored, false if not.","         */","        _setAttrVal : function(attrName, subAttrName, prevVal, newVal) {","","            var host = this,","                allowSet = true,","                cfg = this._state.getAll(attrName, true) || {},","                validator = cfg.validator,","                setter = cfg.setter,","                initializing = cfg.initializing,","                prevRawVal = this._getStateVal(attrName),","                name = subAttrName || attrName,","                retVal,","                valid;","","            if (validator) {","                if (!validator.call) {","                    // Assume string - trying to keep critical path tight, so avoiding Lang check","                    validator = this[validator];","                }","                if (validator) {","                    valid = validator.call(host, newVal, name);","","                    if (!valid && initializing) {","                        newVal = cfg.defaultValue;","                        valid = true; 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      /**
       * The attribute module provides an augmentable Attribute implementation, which
       * adds configurable attributes and attribute change events to the class being
       * augmented. It also provides a State class, which is used internally by Attribute,
       * but can also be used independently to provide a name/property/value data structure to
       * store state.
       *
       * @module attribute
       */
  
      /**
       * The attribute-core submodule provides the lightest level of attribute handling support
       * without Attribute change events, or lesser used methods such as reset(), modifyAttrs(),
       * and removeAttr().
       *
       * @module attribute
       * @submodule attribute-core
       */
      _yuitest_coverline("build/attribute-core/attribute-core.js", 168);
  var O = Y.Object,
          Lang = Y.Lang,
  
          DOT = ".",
  
          // Externally configurable props
          GETTER = "getter",
          SETTER = "setter",
          READ_ONLY = "readOnly",
          WRITE_ONCE = "writeOnce",
          INIT_ONLY = "initOnly",
          VALIDATOR = "validator",
          VALUE = "value",
          VALUE_FN = "valueFn",
          LAZY_ADD = "lazyAdd",
  
          // Used for internal state management
          ADDED = "added",
          BYPASS_PROXY = "_bypassProxy",
          INITIALIZING = "initializing",
          INIT_VALUE = "initValue",
          LAZY = "lazy",
          IS_LAZY_ADD = "isLazyAdd",
  
          INVALID_VALUE;
  
      /**
       * <p>
       * AttributeCore provides the lightest level of configurable attribute support. It is designed to be
       * augmented on to a host class, and provides the host with the ability to configure
       * attributes to store and retrieve state, <strong>but without support for attribute change events</strong>.
       * </p>
       * <p>For example, attributes added to the host can be configured:</p>
       * <ul>
       *     <li>As read only.</li>
       *     <li>As write once.</li>
       *     <li>With a setter function, which can be used to manipulate
       *     values passed to Attribute's <a href="#method_set">set</a> method, before they are stored.</li>
       *     <li>With a getter function, which can be used to manipulate stored values,
       *     before they are returned by Attribute's <a href="#method_get">get</a> method.</li>
       *     <li>With a validator function, to validate values before they are stored.</li>
       * </ul>
       *
       * <p>See the <a href="#method_addAttr">addAttr</a> method, for the complete set of configuration
       * options available for attributes.</p>
       *
       * <p>Object/Classes based on AttributeCore can augment <a href="AttributeObservable.html">AttributeObservable</a>
       * (with true for overwrite) and <a href="AttributeExtras.html">AttributeExtras</a> to add attribute event and
       * additional, less commonly used attribute methods, such as `modifyAttr`, `removeAttr` and `reset`.</p>
       *
       * @class AttributeCore
       * @param attrs {Object} The attributes to add during construction (passed through to <a href="#method_addAttrs">addAttrs</a>). These can also be defined on the constructor being augmented with Attribute by defining the ATTRS property on the constructor.
       * @param values {Object} The initial attribute values to apply (passed through to <a href="#method_addAttrs">addAttrs</a>). These are not merged/cloned. The caller is responsible for isolating user provided values if required.
       * @param lazy {boolean} Whether or not to add attributes lazily (passed through to <a href="#method_addAttrs">addAttrs</a>).
       */
      _yuitest_coverline("build/attribute-core/attribute-core.js", 223);
  function AttributeCore(attrs, values, lazy) {
          // HACK: Fix #2531929
          // Complete hack, to make sure the first clone of a node value in IE doesn't doesn't hurt state - maintains 3.4.1 behavior.
          // Too late in the release cycle to do anything about the core problem.
          // The root issue is that cloning a Y.Node instance results in an object which barfs in IE, when you access it's properties (since 3.3.0).
          _yuitest_coverfunc("build/attribute-core/attribute-core.js", "AttributeCore", 223);
  _yuitest_coverline("build/attribute-core/attribute-core.js", 228);
  this._yuievt = null;
  
          _yuitest_coverline("build/attribute-core/attribute-core.js", 230);
  this._initAttrHost(attrs, values, lazy);
      }
  
      /**
       * <p>The value to return from an attribute setter in order to prevent the set from going through.</p>
       *
       * <p>You can return this value from your setter if you wish to combine validator and setter
       * functionality into a single setter function, which either returns the massaged value to be stored or
       * AttributeCore.INVALID_VALUE to prevent invalid values from being stored.</p>
       *
       * @property INVALID_VALUE
       * @type Object
       * @static
       * @final
       */
      _yuitest_coverline("build/attribute-core/attribute-core.js", 245);
  AttributeCore.INVALID_VALUE = {};
      _yuitest_coverline("build/attribute-core/attribute-core.js", 246);
  INVALID_VALUE = AttributeCore.INVALID_VALUE;
  
      /**
       * The list of properties which can be configured for
       * each attribute (e.g. setter, getter, writeOnce etc.).
       *
       * This property is used internally as a whitelist for faster
       * Y.mix operations.
       *
       * @property _ATTR_CFG
       * @type Array
       * @static
       * @protected
       */
      _yuitest_coverline("build/attribute-core/attribute-core.js", 260);
  AttributeCore._ATTR_CFG = [SETTER, GETTER, VALIDATOR, VALUE, VALUE_FN, WRITE_ONCE, READ_ONLY, LAZY_ADD, BYPASS_PROXY];
  
      /**
       * Utility method to protect an attribute configuration hash, by merging the
       * entire object and the individual attr config objects.
       *
       * @method protectAttrs
       * @static
       * @param {Object} attrs A hash of attribute to configuration object pairs.
       * @return {Object} A protected version of the `attrs` argument.
       */
      _yuitest_coverline("build/attribute-core/attribute-core.js", 271);
  AttributeCore.protectAttrs = function (attrs) {
          _yuitest_coverfunc("build/attribute-core/attribute-core.js", "protectAttrs", 271);
  _yuitest_coverline("build/attribute-core/attribute-core.js", 272);
  if (attrs) {
              _yuitest_coverline("build/attribute-core/attribute-core.js", 273);
  attrs = Y.merge(attrs);
              _yuitest_coverline("build/attribute-core/attribute-core.js", 274);
  for (var attr in attrs) {
                  _yuitest_coverline("build/attribute-core/attribute-core.js", 275);
  if (attrs.hasOwnProperty(attr)) {
                      _yuitest_coverline("build/attribute-core/attribute-core.js", 276);
  attrs[attr] = Y.merge(attrs[attr]);
                  }
              }
          }
  
          _yuitest_coverline("build/attribute-core/attribute-core.js", 281);
  return attrs;
      };
  
      _yuitest_coverline("build/attribute-core/attribute-core.js", 284);
  AttributeCore.prototype = {
  
          /**
           * Constructor logic for attributes. Initializes the host state, and sets up the inital attributes passed to the
           * constructor.
           *
           * @method _initAttrHost
           * @param attrs {Object} The attributes to add during construction (passed through to <a href="#method_addAttrs">addAttrs</a>). These can also be defined on the constructor being augmented with Attribute by defining the ATTRS property on the constructor.
           * @param values {Object} The initial attribute values to apply (passed through to <a href="#method_addAttrs">addAttrs</a>). These are not merged/cloned. The caller is responsible for isolating user provided values if required.
           * @param lazy {boolean} Whether or not to add attributes lazily (passed through to <a href="#method_addAttrs">addAttrs</a>).
           * @private
           */
          _initAttrHost : function(attrs, values, lazy) {
              _yuitest_coverfunc("build/attribute-core/attribute-core.js", "_initAttrHost", 296);
  _yuitest_coverline("build/attribute-core/attribute-core.js", 297);
  this._state = new Y.State();
              _yuitest_coverline("build/attribute-core/attribute-core.js", 298);
  this._initAttrs(attrs, values, lazy);
          },
  
          /**
           * <p>
           * Adds an attribute with the provided configuration to the host object.
           * </p>
           * <p>
           * The config argument object supports the following properties:
           * </p>
           *
           * <dl>
           *    <dt>value &#60;Any&#62;</dt>
           *    <dd>The initial value to set on the attribute</dd>
           *
           *    <dt>valueFn &#60;Function | String&#62;</dt>
           *    <dd>
           *    <p>A function, which will return the initial value to set on the attribute. This is useful
           *    for cases where the attribute configuration is defined statically, but needs to
           *    reference the host instance ("this") to obtain an initial value. If both the value and valueFn properties are defined,
           *    the value returned by the valueFn has precedence over the value property, unless it returns undefined, in which
           *    case the value property is used.</p>
           *
           *    <p>valueFn can also be set to a string, representing the name of the instance method to be used to retrieve the value.</p>
           *    </dd>
           *
           *    <dt>readOnly &#60;boolean&#62;</dt>
           *    <dd>Whether or not the attribute is read only. Attributes having readOnly set to true
           *        cannot be modified by invoking the set method.</dd>
           *
           *    <dt>writeOnce &#60;boolean&#62; or &#60;string&#62;</dt>
           *    <dd>
           *        Whether or not the attribute is "write once". Attributes having writeOnce set to true,
           *        can only have their values set once, be it through the default configuration,
           *        constructor configuration arguments, or by invoking set.
           *        <p>The writeOnce attribute can also be set to the string "initOnly", in which case the attribute can only be set during initialization
           *        (when used with Base, this means it can only be set during construction)</p>
           *    </dd>
           *
           *    <dt>setter &#60;Function | String&#62;</dt>
           *    <dd>
           *    <p>The setter function used to massage or normalize the value passed to the set method for the attribute.
           *    The value returned by the setter will be the final stored value. Returning
           *    <a href="#property_Attribute.INVALID_VALUE">Attribute.INVALID_VALUE</a>, from the setter will prevent
           *    the value from being stored.
           *    </p>
           *
           *    <p>setter can also be set to a string, representing the name of the instance method to be used as the setter function.</p>
           *    </dd>
           *
           *    <dt>getter &#60;Function | String&#62;</dt>
           *    <dd>
           *    <p>
           *    The getter function used to massage or normalize the value returned by the get method for the attribute.
           *    The value returned by the getter function is the value which will be returned to the user when they
           *    invoke get.
           *    </p>
           *
           *    <p>getter can also be set to a string, representing the name of the instance method to be used as the getter function.</p>
           *    </dd>
           *
           *    <dt>validator &#60;Function | String&#62;</dt>
           *    <dd>
           *    <p>
           *    The validator function invoked prior to setting the stored value. Returning
           *    false from the validator function will prevent the value from being stored.
           *    </p>
           *
           *    <p>validator can also be set to a string, representing the name of the instance method to be used as the validator function.</p>
           *    </dd>
           *
           *    <dt>lazyAdd &#60;boolean&#62;</dt>
           *    <dd>Whether or not to delay initialization of the attribute until the first call to get/set it.
           *    This flag can be used to over-ride lazy initialization on a per attribute basis, when adding multiple attributes through
           *    the <a href="#method_addAttrs">addAttrs</a> method.</dd>
           *
           * </dl>
           *
           * <p>The setter, getter and validator are invoked with the value and name passed in as the first and second arguments, and with
           * the context ("this") set to the host object.</p>
           *
           * <p>Configuration properties outside of the list mentioned above are considered private properties used internally by attribute,
           * and are not intended for public use.</p>
           *
           * @method addAttr
           *
           * @param {String} name The name of the attribute.
           * @param {Object} config An object with attribute configuration property/value pairs, specifying the configuration for the attribute.
           *
           * <p>
           * <strong>NOTE:</strong> The configuration object is modified when adding an attribute, so if you need
           * to protect the original values, you will need to merge the object.
           * </p>
           *
           * @param {boolean} lazy (optional) Whether or not to add this attribute lazily (on the first call to get/set).
           *
           * @return {Object} A reference to the host object.
           *
           * @chainable
           */
          addAttr: function(name, config, lazy) {
  
  
              _yuitest_coverfunc("build/attribute-core/attribute-core.js", "addAttr", 398);
  _yuitest_coverline("build/attribute-core/attribute-core.js", 401);
  var host = this, // help compression
                  state = host._state,
                  value,
                  hasValue;
  
              _yuitest_coverline("build/attribute-core/attribute-core.js", 406);
  config = config || {};
  
              _yuitest_coverline("build/attribute-core/attribute-core.js", 408);
  lazy = (LAZY_ADD in config) ? config[LAZY_ADD] : lazy;
  
              _yuitest_coverline("build/attribute-core/attribute-core.js", 410);
  if (lazy && !host.attrAdded(name)) {
                  _yuitest_coverline("build/attribute-core/attribute-core.js", 411);
  state.addAll(name, {
                      lazy : config,
                      added : true
                  });
              } else {
  
  
                  _yuitest_coverline("build/attribute-core/attribute-core.js", 418);
  if (!host.attrAdded(name) || state.get(name, IS_LAZY_ADD)) {
  
                      _yuitest_coverline("build/attribute-core/attribute-core.js", 420);
  hasValue = (VALUE in config);
  
  
                      _yuitest_coverline("build/attribute-core/attribute-core.js", 423);
  if (hasValue) {
                          // We'll go through set, don't want to set value in config directly
                          _yuitest_coverline("build/attribute-core/attribute-core.js", 425);
  value = config.value;
                          _yuitest_coverline("build/attribute-core/attribute-core.js", 426);
  delete config.value;
                      }
  
                      _yuitest_coverline("build/attribute-core/attribute-core.js", 429);
  config.added = true;
                      _yuitest_coverline("build/attribute-core/attribute-core.js", 430);
  config.initializing = true;
  
                      _yuitest_coverline("build/attribute-core/attribute-core.js", 432);
  state.addAll(name, config);
  
                      _yuitest_coverline("build/attribute-core/attribute-core.js", 434);
  if (hasValue) {
                          // Go through set, so that raw values get normalized/validated
                          _yuitest_coverline("build/attribute-core/attribute-core.js", 436);
  host.set(name, value);
                      }
  
                      _yuitest_coverline("build/attribute-core/attribute-core.js", 439);
  state.remove(name, INITIALIZING);
                  }
              }
  
              _yuitest_coverline("build/attribute-core/attribute-core.js", 443);
  return host;
          },
  
          /**
           * Checks if the given attribute has been added to the host
           *
           * @method attrAdded
           * @param {String} name The name of the attribute to check.
           * @return {boolean} true if an attribute with the given name has been added, false if it hasn't. This method will return true for lazily added attributes.
           */
          attrAdded: function(name) {
              _yuitest_coverfunc("build/attribute-core/attribute-core.js", "attrAdded", 453);
  _yuitest_coverline("build/attribute-core/attribute-core.js", 454);
  return !!this._state.get(name, ADDED);
          },
  
          /**
           * Returns the current value of the attribute. If the attribute
           * has been configured with a 'getter' function, this method will delegate
           * to the 'getter' to obtain the value of the attribute.
           *
           * @method get
           *
           * @param {String} name The name of the attribute. If the value of the attribute is an Object,
           * dot notation can be used to obtain the value of a property of the object (e.g. <code>get("x.y.z")</code>)
           *
           * @return {Any} The value of the attribute
           */
          get : function(name) {
              _yuitest_coverfunc("build/attribute-core/attribute-core.js", "get", 469);
  _yuitest_coverline("build/attribute-core/attribute-core.js", 470);
  return this._getAttr(name);
          },
  
          /**
           * Checks whether or not the attribute is one which has been
           * added lazily and still requires initialization.
           *
           * @method _isLazyAttr
           * @private
           * @param {String} name The name of the attribute
           * @return {boolean} true if it's a lazily added attribute, false otherwise.
           */
          _isLazyAttr: function(name) {
              _yuitest_coverfunc("build/attribute-core/attribute-core.js", "_isLazyAttr", 482);
  _yuitest_coverline("build/attribute-core/attribute-core.js", 483);
  return this._state.get(name, LAZY);
          },
  
          /**
           * Finishes initializing an attribute which has been lazily added.
           *
           * @method _addLazyAttr
           * @private
           * @param {Object} name The name of the attribute
           */
          _addLazyAttr: function(name, cfg) {
              _yuitest_coverfunc("build/attribute-core/attribute-core.js", "_addLazyAttr", 493);
  _yuitest_coverline("build/attribute-core/attribute-core.js", 494);
  var state = this._state,
                  lazyCfg = state.get(name, LAZY);
  
              _yuitest_coverline("build/attribute-core/attribute-core.js", 497);
  state.add(name, IS_LAZY_ADD, true);
              _yuitest_coverline("build/attribute-core/attribute-core.js", 498);
  state.remove(name, LAZY);
              _yuitest_coverline("build/attribute-core/attribute-core.js", 499);
  this.addAttr(name, lazyCfg);
          },
  
          /**
           * Sets the value of an attribute.
           *
           * @method set
           * @chainable
           *
           * @param {String} name The name of the attribute. If the
           * current value of the attribute is an Object, dot notation can be used
           * to set the value of a property within the object (e.g. <code>set("x.y.z", 5)</code>).
           *
           * @param {Any} value The value to set the attribute to.
           *
           * @return {Object} A reference to the host object.
           */
          set : function(name, val) {
              _yuitest_coverfunc("build/attribute-core/attribute-core.js", "set", 516);
  _yuitest_coverline("build/attribute-core/attribute-core.js", 517);
  return this._setAttr(name, val);
          },
  
          /**
           * Allows setting of readOnly/writeOnce attributes. See <a href="#method_set">set</a> for argument details.
           *
           * @method _set
           * @protected
           * @chainable
           *
           * @param {String} name The name of the attribute.
           * @param {Any} val The value to set the attribute to.
           * @return {Object} A reference to the host object.
           */
          _set : function(name, val) {
              _yuitest_coverfunc("build/attribute-core/attribute-core.js", "_set", 531);
  _yuitest_coverline("build/attribute-core/attribute-core.js", 532);
  return this._setAttr(name, val, null, true);
          },
  
          /**
           * Provides the common implementation for the public set and protected _set methods.
           *
           * See <a href="#method_set">set</a> for argument details.
           *
           * @method _setAttr
           * @protected
           * @chainable
           *
           * @param {String} name The name of the attribute.
           * @param {Any} value The value to set the attribute to.
           * @param {Object} opts (Optional) Optional event data to be mixed into
           * the event facade passed to subscribers of the attribute's change event.
           * This is currently a hack. There's no real need for the AttributeCore implementation
           * to support this parameter, but breaking it out into AttributeObservable, results in
           * additional function hops for the critical path.
           * @param {boolean} force If true, allows the caller to set values for
           * readOnly or writeOnce attributes which have already been set.
           *
           * @return {Object} A reference to the host object.
           */
          _setAttr : function(name, val, opts, force)  {
  
              // HACK - no real reason core needs to know about opts, but
              // it adds fn hops if we want to break it out.
              // Not sure it's worth it for this critical path
  
              _yuitest_coverfunc("build/attribute-core/attribute-core.js", "_setAttr", 556);
  _yuitest_coverline("build/attribute-core/attribute-core.js", 562);
  var allowSet = true,
                  state = this._state,
                  stateProxy = this._stateProxy,
                  cfg,
                  initialSet,
                  strPath,
                  path,
                  currVal,
                  writeOnce,
                  initializing;
  
              _yuitest_coverline("build/attribute-core/attribute-core.js", 573);
  if (name.indexOf(DOT) !== -1) {
                  _yuitest_coverline("build/attribute-core/attribute-core.js", 574);
  strPath = name;
                  _yuitest_coverline("build/attribute-core/attribute-core.js", 575);
  path = name.split(DOT);
                  _yuitest_coverline("build/attribute-core/attribute-core.js", 576);
  name = path.shift();
              }
  
              _yuitest_coverline("build/attribute-core/attribute-core.js", 579);
  if (this._isLazyAttr(name)) {
                  _yuitest_coverline("build/attribute-core/attribute-core.js", 580);
  this._addLazyAttr(name);
              }
  
              _yuitest_coverline("build/attribute-core/attribute-core.js", 583);
  cfg = state.getAll(name, true) || {};
  
              _yuitest_coverline("build/attribute-core/attribute-core.js", 585);
  initialSet = (!(VALUE in cfg));
  
              _yuitest_coverline("build/attribute-core/attribute-core.js", 587);
  if (stateProxy && name in stateProxy && !cfg._bypassProxy) {
                  // TODO: Value is always set for proxy. Can we do any better? Maybe take a snapshot as the initial value for the first call to set?
                  _yuitest_coverline("build/attribute-core/attribute-core.js", 589);
  initialSet = false;
              }
  
              _yuitest_coverline("build/attribute-core/attribute-core.js", 592);
  writeOnce = cfg.writeOnce;
              _yuitest_coverline("build/attribute-core/attribute-core.js", 593);
  initializing = cfg.initializing;
  
              _yuitest_coverline("build/attribute-core/attribute-core.js", 595);
  if (!initialSet && !force) {
  
                  _yuitest_coverline("build/attribute-core/attribute-core.js", 597);
  if (writeOnce) {
                      _yuitest_coverline("build/attribute-core/attribute-core.js", 598);
  allowSet = false;
                  }
  
                  _yuitest_coverline("build/attribute-core/attribute-core.js", 601);
  if (cfg.readOnly) {
                      _yuitest_coverline("build/attribute-core/attribute-core.js", 602);
  allowSet = false;
                  }
              }
  
              _yuitest_coverline("build/attribute-core/attribute-core.js", 606);
  if (!initializing && !force && writeOnce === INIT_ONLY) {
                  _yuitest_coverline("build/attribute-core/attribute-core.js", 607);
  allowSet = false;
              }
  
              _yuitest_coverline("build/attribute-core/attribute-core.js", 610);
  if (allowSet) {
                  // Don't need currVal if initialSet (might fail in custom getter if it always expects a non-undefined/non-null value)
                  _yuitest_coverline("build/attribute-core/attribute-core.js", 612);
  if (!initialSet) {
                      _yuitest_coverline("build/attribute-core/attribute-core.js", 613);
  currVal =  this.get(name);
                  }
  
                  _yuitest_coverline("build/attribute-core/attribute-core.js", 616);
  if (path) {
                     _yuitest_coverline("build/attribute-core/attribute-core.js", 617);
  val = O.setValue(Y.clone(currVal), path, val);
  
                     _yuitest_coverline("build/attribute-core/attribute-core.js", 619);
  if (val === undefined) {
                         _yuitest_coverline("build/attribute-core/attribute-core.js", 620);
  allowSet = false;
                     }
                  }
  
                  _yuitest_coverline("build/attribute-core/attribute-core.js", 624);
  if (allowSet) {
                      _yuitest_coverline("build/attribute-core/attribute-core.js", 625);
  if (!this._fireAttrChange || initializing) {
                          _yuitest_coverline("build/attribute-core/attribute-core.js", 626);
  this._setAttrVal(name, strPath, currVal, val);
                      } else {
                          // HACK - no real reason core needs to know about _fireAttrChange, but
                          // it adds fn hops if we want to break it out. Not sure it's worth it for this critical path
                          _yuitest_coverline("build/attribute-core/attribute-core.js", 630);
  this._fireAttrChange(name, strPath, currVal, val, opts);
                      }
                  }
              }
  
              _yuitest_coverline("build/attribute-core/attribute-core.js", 635);
  return this;
          },
  
          /**
           * Provides the common implementation for the public get method,
           * allowing Attribute hosts to over-ride either method.
           *
           * See <a href="#method_get">get</a> for argument details.
           *
           * @method _getAttr
           * @protected
           * @chainable
           *
           * @param {String} name The name of the attribute.
           * @return {Any} The value of the attribute.
           */
          _getAttr : function(name) {
              _yuitest_coverfunc("build/attribute-core/attribute-core.js", "_getAttr", 651);
  _yuitest_coverline("build/attribute-core/attribute-core.js", 652);
  var host = this, // help compression
                  fullName = name,
                  state = host._state,
                  path,
                  getter,
                  val,
                  cfg;
  
              _yuitest_coverline("build/attribute-core/attribute-core.js", 660);
  if (name.indexOf(DOT) !== -1) {
                  _yuitest_coverline("build/attribute-core/attribute-core.js", 661);
  path = name.split(DOT);
                  _yuitest_coverline("build/attribute-core/attribute-core.js", 662);
  name = path.shift();
              }
  
              // On Demand - Should be rare - handles out of order valueFn references
              _yuitest_coverline("build/attribute-core/attribute-core.js", 666);
  if (host._tCfgs && host._tCfgs[name]) {
                  _yuitest_coverline("build/attribute-core/attribute-core.js", 667);
  cfg = {};
                  _yuitest_coverline("build/attribute-core/attribute-core.js", 668);
  cfg[name] = host._tCfgs[name];
                  _yuitest_coverline("build/attribute-core/attribute-core.js", 669);
  delete host._tCfgs[name];
                  _yuitest_coverline("build/attribute-core/attribute-core.js", 670);
  host._addAttrs(cfg, host._tVals);
              }
  
              // Lazy Init
              _yuitest_coverline("build/attribute-core/attribute-core.js", 674);
  if (host._isLazyAttr(name)) {
                  _yuitest_coverline("build/attribute-core/attribute-core.js", 675);
  host._addLazyAttr(name);
              }
  
              _yuitest_coverline("build/attribute-core/attribute-core.js", 678);
  val = host._getStateVal(name);
  
              _yuitest_coverline("build/attribute-core/attribute-core.js", 680);
  getter = state.get(name, GETTER);
  
              _yuitest_coverline("build/attribute-core/attribute-core.js", 682);
  if (getter && !getter.call) {
                  _yuitest_coverline("build/attribute-core/attribute-core.js", 683);
  getter = this[getter];
              }
  
              _yuitest_coverline("build/attribute-core/attribute-core.js", 686);
  val = (getter) ? getter.call(host, val, fullName) : val;
              _yuitest_coverline("build/attribute-core/attribute-core.js", 687);
  val = (path) ? O.getValue(val, path) : val;
  
              _yuitest_coverline("build/attribute-core/attribute-core.js", 689);
  return val;
          },
  
          /**
           * Gets the stored value for the attribute, from either the
           * internal state object, or the state proxy if it exits
           *
           * @method _getStateVal
           * @private
           * @param {String} name The name of the attribute
           * @return {Any} The stored value of the attribute
           */
          _getStateVal : function(name) {
              _yuitest_coverfunc("build/attribute-core/attribute-core.js", "_getStateVal", 701);
  _yuitest_coverline("build/attribute-core/attribute-core.js", 702);
  var stateProxy = this._stateProxy;
              _yuitest_coverline("build/attribute-core/attribute-core.js", 703);
  return stateProxy && (name in stateProxy) && !this._state.get(name, BYPASS_PROXY) ? stateProxy[name] : this._state.get(name, VALUE);
          },
  
          /**
           * Sets the stored value for the attribute, in either the
           * internal state object, or the state proxy if it exits
           *
           * @method _setStateVal
           * @private
           * @param {String} name The name of the attribute
           * @param {Any} value The value of the attribute
           */
          _setStateVal : function(name, value) {
              _yuitest_coverfunc("build/attribute-core/attribute-core.js", "_setStateVal", 715);
  _yuitest_coverline("build/attribute-core/attribute-core.js", 716);
  var stateProxy = this._stateProxy;
              _yuitest_coverline("build/attribute-core/attribute-core.js", 717);
  if (stateProxy && (name in stateProxy) && !this._state.get(name, BYPASS_PROXY)) {
                  _yuitest_coverline("build/attribute-core/attribute-core.js", 718);
  stateProxy[name] = value;
              } else {
                  _yuitest_coverline("build/attribute-core/attribute-core.js", 720);
  this._state.add(name, VALUE, value);
              }
          },
  
          /**
           * Updates the stored value of the attribute in the privately held State object,
           * if validation and setter passes.
           *
           * @method _setAttrVal
           * @private
           * @param {String} attrName The attribute name.
           * @param {String} subAttrName The sub-attribute name, if setting a sub-attribute property ("x.y.z").
           * @param {Any} prevVal The currently stored value of the attribute.
           * @param {Any} newVal The value which is going to be stored.
           *
           * @return {booolean} true if the new attribute value was stored, false if not.
           */
          _setAttrVal : function(attrName, subAttrName, prevVal, newVal) {
  
              _yuitest_coverfunc("build/attribute-core/attribute-core.js", "_setAttrVal", 737);
  _yuitest_coverline("build/attribute-core/attribute-core.js", 739);
  var host = this,
                  allowSet = true,
                  cfg = this._state.getAll(attrName, true) || {},
                  validator = cfg.validator,
                  setter = cfg.setter,
                  initializing = cfg.initializing,
                  prevRawVal = this._getStateVal(attrName),
                  name = subAttrName || attrName,
                  retVal,
                  valid;
  
              _yuitest_coverline("build/attribute-core/attribute-core.js", 750);
  if (validator) {
                  _yuitest_coverline("build/attribute-core/attribute-core.js", 751);
  if (!validator.call) {
                      // Assume string - trying to keep critical path tight, so avoiding Lang check
                      _yuitest_coverline("build/attribute-core/attribute-core.js", 753);
  validator = this[validator];
                  }
                  _yuitest_coverline("build/attribute-core/attribute-core.js", 755);
  if (validator) {
                      _yuitest_coverline("build/attribute-core/attribute-core.js", 756);
  valid = validator.call(host, newVal, name);
  
                      _yuitest_coverline("build/attribute-core/attribute-core.js", 758);
  if (!valid && initializing) {
                          _yuitest_coverline("build/attribute-core/attribute-core.js", 759);
  newVal = cfg.defaultValue;
                          _yuitest_coverline("build/attribute-core/attribute-core.js", 760);
  valid = true; // Assume it's valid, for perf.
                      }
                  }
              }
  
              _yuitest_coverline("build/attribute-core/attribute-core.js", 765);
  if (!validator || valid) {
                  _yuitest_coverline("build/attribute-core/attribute-core.js", 766);
  if (setter) {
                      _yuitest_coverline("build/attribute-core/attribute-core.js", 767);
  if (!setter.call) {
                          // Assume string - trying to keep critical path tight, so avoiding Lang check
                          _yuitest_coverline("build/attribute-core/attribute-core.js", 769);
  setter = this[setter];
                      }
                      _yuitest_coverline("build/attribute-core/attribute-core.js", 771);
  if (setter) {
                          _yuitest_coverline("build/attribute-core/attribute-core.js", 772);
  retVal = setter.call(host, newVal, name);
  
                          _yuitest_coverline("build/attribute-core/attribute-core.js", 774);
  if (retVal === INVALID_VALUE) {
                              _yuitest_coverline("build/attribute-core/attribute-core.js", 775);
  allowSet = false;
                          } else {_yuitest_coverline("build/attribute-core/attribute-core.js", 776);
  if (retVal !== undefined){
                              _yuitest_coverline("build/attribute-core/attribute-core.js", 777);
  newVal = retVal;
                          }}
                      }
                  }
  
                  _yuitest_coverline("build/attribute-core/attribute-core.js", 782);
  if (allowSet) {
                      _yuitest_coverline("build/attribute-core/attribute-core.js", 783);
  if(!subAttrName && (newVal === prevRawVal) && !Lang.isObject(newVal)) {
                          _yuitest_coverline("build/attribute-core/attribute-core.js", 784);
  allowSet = false;
                      } else {
                          // Store value
                          _yuitest_coverline("build/attribute-core/attribute-core.js", 787);
  if (!(INIT_VALUE in cfg)) {
                              _yuitest_coverline("build/attribute-core/attribute-core.js", 788);
  cfg.initValue = newVal;
                          }
                          _yuitest_coverline("build/attribute-core/attribute-core.js", 790);
  host._setStateVal(attrName, newVal);
                      }
                  }
  
              } else {
                  _yuitest_coverline("build/attribute-core/attribute-core.js", 795);
  allowSet = false;
              }
  
              _yuitest_coverline("build/attribute-core/attribute-core.js", 798);
  return allowSet;
          },
  
          /**
           * Sets multiple attribute values.
           *
           * @method setAttrs
           * @param {Object} attrs  An object with attributes name/value pairs.
           * @return {Object} A reference to the host object.
           * @chainable
           */
          setAttrs : function(attrs) {
              _yuitest_coverfunc("build/attribute-core/attribute-core.js", "setAttrs", 809);
  _yuitest_coverline("build/attribute-core/attribute-core.js", 810);
  return this._setAttrs(attrs);
          },
  
          /**
           * Implementation behind the public setAttrs method, to set multiple attribute values.
           *
           * @method _setAttrs
           * @protected
           * @param {Object} attrs  An object with attributes name/value pairs.
           * @return {Object} A reference to the host object.
           * @chainable
           */
          _setAttrs : function(attrs) {
              _yuitest_coverfunc("build/attribute-core/attribute-core.js", "_setAttrs", 822);
  _yuitest_coverline("build/attribute-core/attribute-core.js", 823);
  var attr;
              _yuitest_coverline("build/attribute-core/attribute-core.js", 824);
  for (attr in attrs) {
                  _yuitest_coverline("build/attribute-core/attribute-core.js", 825);
  if ( attrs.hasOwnProperty(attr) ) {
                      _yuitest_coverline("build/attribute-core/attribute-core.js", 826);
  this.set(attr, attrs[attr]);
                  }
              }
              _yuitest_coverline("build/attribute-core/attribute-core.js", 829);
  return this;
          },
  
          /**
           * Gets multiple attribute values.
           *
           * @method getAttrs
           * @param {Array | boolean} attrs Optional. An array of attribute names. If omitted, all attribute values are
           * returned. If set to true, all attributes modified from their initial values are returned.
           * @return {Object} An object with attribute name/value pairs.
           */
          getAttrs : function(attrs) {
              _yuitest_coverfunc("build/attribute-core/attribute-core.js", "getAttrs", 840);
  _yuitest_coverline("build/attribute-core/attribute-core.js", 841);
  return this._getAttrs(attrs);
          },
  
          /**
           * Implementation behind the public getAttrs method, to get multiple attribute values.
           *
           * @method _getAttrs
           * @protected
           * @param {Array | boolean} attrs Optional. An array of attribute names. If omitted, all attribute values are
           * returned. If set to true, all attributes modified from their initial values are returned.
           * @return {Object} An object with attribute name/value pairs.
           */
          _getAttrs : function(attrs) {
              _yuitest_coverfunc("build/attribute-core/attribute-core.js", "_getAttrs", 853);
  _yuitest_coverline("build/attribute-core/attribute-core.js", 854);
  var obj = {},
                  attr, i, len,
                  modifiedOnly = (attrs === true);
  
              // TODO - figure out how to get all "added"
              _yuitest_coverline("build/attribute-core/attribute-core.js", 859);
  if (!attrs || modifiedOnly) {
                  _yuitest_coverline("build/attribute-core/attribute-core.js", 860);
  attrs = O.keys(this._state.data);
              }
  
              _yuitest_coverline("build/attribute-core/attribute-core.js", 863);
  for (i = 0, len = attrs.length; i < len; i++) {
                  _yuitest_coverline("build/attribute-core/attribute-core.js", 864);
  attr = attrs[i];
  
                  _yuitest_coverline("build/attribute-core/attribute-core.js", 866);
  if (!modifiedOnly || this._getStateVal(attr) != this._state.get(attr, INIT_VALUE)) {
                      // Go through get, to honor cloning/normalization
                      _yuitest_coverline("build/attribute-core/attribute-core.js", 868);
  obj[attr] = this.get(attr);
                  }
              }
  
              _yuitest_coverline("build/attribute-core/attribute-core.js", 872);
  return obj;
          },
  
          /**
           * Configures a group of attributes, and sets initial values.
           *
           * <p>
           * <strong>NOTE:</strong> This method does not isolate the configuration object by merging/cloning.
           * The caller is responsible for merging/cloning the configuration object if required.
           * </p>
           *
           * @method addAttrs
           * @chainable
           *
           * @param {Object} cfgs An object with attribute name/configuration pairs.
           * @param {Object} values An object with attribute name/value pairs, defining the initial values to apply.
           * Values defined in the cfgs argument will be over-written by values in this argument unless defined as read only.
           * @param {boolean} lazy Whether or not to delay the intialization of these attributes until the first call to get/set.
           * Individual attributes can over-ride this behavior by defining a lazyAdd configuration property in their configuration.
           * See <a href="#method_addAttr">addAttr</a>.
           *
           * @return {Object} A reference to the host object.
           */
          addAttrs : function(cfgs, values, lazy) {
              _yuitest_coverfunc("build/attribute-core/attribute-core.js", "addAttrs", 895);
  _yuitest_coverline("build/attribute-core/attribute-core.js", 896);
  var host = this; // help compression
              _yuitest_coverline("build/attribute-core/attribute-core.js", 897);
  if (cfgs) {
                  _yuitest_coverline("build/attribute-core/attribute-core.js", 898);
  host._tCfgs = cfgs;
                  _yuitest_coverline("build/attribute-core/attribute-core.js", 899);
  host._tVals = host._normAttrVals(values);
                  _yuitest_coverline("build/attribute-core/attribute-core.js", 900);
  host._addAttrs(cfgs, host._tVals, lazy);
                  _yuitest_coverline("build/attribute-core/attribute-core.js", 901);
  host._tCfgs = host._tVals = null;
              }
  
              _yuitest_coverline("build/attribute-core/attribute-core.js", 904);
  return host;
          },
  
          /**
           * Implementation behind the public addAttrs method.
           *
           * This method is invoked directly by get if it encounters a scenario
           * in which an attribute's valueFn attempts to obtain the
           * value an attribute in the same group of attributes, which has not yet
           * been added (on demand initialization).
           *
           * @method _addAttrs
           * @private
           * @param {Object} cfgs An object with attribute name/configuration pairs.
           * @param {Object} values An object with attribute name/value pairs, defining the initial values to apply.
           * Values defined in the cfgs argument will be over-written by values in this argument unless defined as read only.
           * @param {boolean} lazy Whether or not to delay the intialization of these attributes until the first call to get/set.
           * Individual attributes can over-ride this behavior by defining a lazyAdd configuration property in their configuration.
           * See <a href="#method_addAttr">addAttr</a>.
           */
          _addAttrs : function(cfgs, values, lazy) {
              _yuitest_coverfunc("build/attribute-core/attribute-core.js", "_addAttrs", 924);
  _yuitest_coverline("build/attribute-core/attribute-core.js", 925);
  var host = this, // help compression
                  attr,
                  attrCfg,
                  value;
  
              _yuitest_coverline("build/attribute-core/attribute-core.js", 930);
  for (attr in cfgs) {
                  _yuitest_coverline("build/attribute-core/attribute-core.js", 931);
  if (cfgs.hasOwnProperty(attr)) {
  
                      // Not Merging. Caller is responsible for isolating configs
                      _yuitest_coverline("build/attribute-core/attribute-core.js", 934);
  attrCfg = cfgs[attr];
                      _yuitest_coverline("build/attribute-core/attribute-core.js", 935);
  attrCfg.defaultValue = attrCfg.value;
  
                      // Handle simple, complex and user values, accounting for read-only
                      _yuitest_coverline("build/attribute-core/attribute-core.js", 938);
  value = host._getAttrInitVal(attr, attrCfg, host._tVals);
  
                      _yuitest_coverline("build/attribute-core/attribute-core.js", 940);
  if (value !== undefined) {
                          _yuitest_coverline("build/attribute-core/attribute-core.js", 941);
  attrCfg.value = value;
                      }
  
                      _yuitest_coverline("build/attribute-core/attribute-core.js", 944);
  if (host._tCfgs[attr]) {
                          _yuitest_coverline("build/attribute-core/attribute-core.js", 945);
  delete host._tCfgs[attr];
                      }
  
                      _yuitest_coverline("build/attribute-core/attribute-core.js", 948);
  host.addAttr(attr, attrCfg, lazy);
                  }
              }
          },
  
          /**
           * Utility method to protect an attribute configuration
           * hash, by merging the entire object and the individual
           * attr config objects.
           *
           * @method _protectAttrs
           * @protected
           * @param {Object} attrs A hash of attribute to configuration object pairs.
           * @return {Object} A protected version of the attrs argument.
           * @deprecated Use `AttributeCore.protectAttrs()` or
           *   `Attribute.protectAttrs()` which are the same static utility method.
           */
          _protectAttrs : AttributeCore.protectAttrs,
  
          /**
           * Utility method to split out simple attribute name/value pairs ("x")
           * from complex attribute name/value pairs ("x.y.z"), so that complex
           * attributes can be keyed by the top level attribute name.
           *
           * @method _normAttrVals
           * @param {Object} valueHash An object with attribute name/value pairs
           *
           * @return {Object} An object literal with 2 properties - "simple" and "complex",
           * containing simple and complex attribute values respectively keyed
           * by the top level attribute name, or null, if valueHash is falsey.
           *
           * @private
           */
          _normAttrVals : function(valueHash) {
              _yuitest_coverfunc("build/attribute-core/attribute-core.js", "_normAttrVals", 981);
  _yuitest_coverline("build/attribute-core/attribute-core.js", 982);
  var vals = {},
                  subvals = {},
                  path,
                  attr,
                  v, k;
  
              _yuitest_coverline("build/attribute-core/attribute-core.js", 988);
  if (valueHash) {
                  _yuitest_coverline("build/attribute-core/attribute-core.js", 989);
  for (k in valueHash) {
                      _yuitest_coverline("build/attribute-core/attribute-core.js", 990);
  if (valueHash.hasOwnProperty(k)) {
                          _yuitest_coverline("build/attribute-core/attribute-core.js", 991);
  if (k.indexOf(DOT) !== -1) {
                              _yuitest_coverline("build/attribute-core/attribute-core.js", 992);
  path = k.split(DOT);
                              _yuitest_coverline("build/attribute-core/attribute-core.js", 993);
  attr = path.shift();
                              _yuitest_coverline("build/attribute-core/attribute-core.js", 994);
  v = subvals[attr] = subvals[attr] || [];
                              _yuitest_coverline("build/attribute-core/attribute-core.js", 995);
  v[v.length] = {
                                  path : path,
                                  value: valueHash[k]
                              };
                          } else {
                              _yuitest_coverline("build/attribute-core/attribute-core.js", 1000);
  vals[k] = valueHash[k];
                          }
                      }
                  }
                  _yuitest_coverline("build/attribute-core/attribute-core.js", 1004);
  return { simple:vals, complex:subvals };
              } else {
                  _yuitest_coverline("build/attribute-core/attribute-core.js", 1006);
  return null;
              }
          },
  
          /**
           * Returns the initial value of the given attribute from
           * either the default configuration provided, or the
           * over-ridden value if it exists in the set of initValues
           * provided and the attribute is not read-only.
           *
           * @param {String} attr The name of the attribute
           * @param {Object} cfg The attribute configuration object
           * @param {Object} initValues The object with simple and complex attribute name/value pairs returned from _normAttrVals
           *
           * @return {Any} The initial value of the attribute.
           *
           * @method _getAttrInitVal
           * @private
           */
          _getAttrInitVal : function(attr, cfg, initValues) {
  
              _yuitest_coverfunc("build/attribute-core/attribute-core.js", "_getAttrInitVal", 1025);
  _yuitest_coverline("build/attribute-core/attribute-core.js", 1027);
  var val = cfg.value,
                  valFn = cfg.valueFn,
                  tmpVal,
                  initValSet = false,
                  simple,
                  complex,
                  i,
                  l,
                  path,
                  subval,
                  subvals;
  
              _yuitest_coverline("build/attribute-core/attribute-core.js", 1039);
  if (!cfg.readOnly && initValues) {
                  // Simple Attributes
                  _yuitest_coverline("build/attribute-core/attribute-core.js", 1041);
  simple = initValues.simple;
                  _yuitest_coverline("build/attribute-core/attribute-core.js", 1042);
  if (simple && simple.hasOwnProperty(attr)) {
                      _yuitest_coverline("build/attribute-core/attribute-core.js", 1043);
  val = simple[attr];
                      _yuitest_coverline("build/attribute-core/attribute-core.js", 1044);
  initValSet = true;
                  }
              }
  
              _yuitest_coverline("build/attribute-core/attribute-core.js", 1048);
  if (valFn && !initValSet) {
                  _yuitest_coverline("build/attribute-core/attribute-core.js", 1049);
  if (!valFn.call) {
                      _yuitest_coverline("build/attribute-core/attribute-core.js", 1050);
  valFn = this[valFn];
                  }
                  _yuitest_coverline("build/attribute-core/attribute-core.js", 1052);
  if (valFn) {
                      _yuitest_coverline("build/attribute-core/attribute-core.js", 1053);
  tmpVal = valFn.call(this, attr);
                      _yuitest_coverline("build/attribute-core/attribute-core.js", 1054);
  val = tmpVal;
                  }
              }
  
              _yuitest_coverline("build/attribute-core/attribute-core.js", 1058);
  if (!cfg.readOnly && initValues) {
  
                  // Complex Attributes (complex values applied, after simple, in case both are set)
                  _yuitest_coverline("build/attribute-core/attribute-core.js", 1061);
  complex = initValues.complex;
  
                  _yuitest_coverline("build/attribute-core/attribute-core.js", 1063);
  if (complex && complex.hasOwnProperty(attr) && (val !== undefined) && (val !== null)) {
                      _yuitest_coverline("build/attribute-core/attribute-core.js", 1064);
  subvals = complex[attr];
                      _yuitest_coverline("build/attribute-core/attribute-core.js", 1065);
  for (i = 0, l = subvals.length; i < l; ++i) {
                          _yuitest_coverline("build/attribute-core/attribute-core.js", 1066);
  path = subvals[i].path;
                          _yuitest_coverline("build/attribute-core/attribute-core.js", 1067);
  subval = subvals[i].value;
                          _yuitest_coverline("build/attribute-core/attribute-core.js", 1068);
  O.setValue(val, path, subval);
                      }
                  }
              }
  
              _yuitest_coverline("build/attribute-core/attribute-core.js", 1073);
  return val;
          },
  
          /**
           * Utility method to set up initial attributes defined during construction, either through the constructor.ATTRS property, or explicitly passed in.
           *
           * @method _initAttrs
           * @protected
           * @param attrs {Object} The attributes to add during construction (passed through to <a href="#method_addAttrs">addAttrs</a>). These can also be defined on the constructor being augmented with Attribute by defining the ATTRS property on the constructor.
           * @param values {Object} The initial attribute values to apply (passed through to <a href="#method_addAttrs">addAttrs</a>). These are not merged/cloned. The caller is responsible for isolating user provided values if required.
           * @param lazy {boolean} Whether or not to add attributes lazily (passed through to <a href="#method_addAttrs">addAttrs</a>).
           */
          _initAttrs : function(attrs, values, lazy) {
              // ATTRS support for Node, which is not Base based
              _yuitest_coverfunc("build/attribute-core/attribute-core.js", "_initAttrs", 1085);
  _yuitest_coverline("build/attribute-core/attribute-core.js", 1087);
  attrs = attrs || this.constructor.ATTRS;
  
              _yuitest_coverline("build/attribute-core/attribute-core.js", 1089);
  var Base = Y.Base,
                  BaseCore = Y.BaseCore,
                  baseInst = (Base && Y.instanceOf(this, Base)),
                  baseCoreInst = (!baseInst && BaseCore && Y.instanceOf(this, BaseCore));
  
              _yuitest_coverline("build/attribute-core/attribute-core.js", 1094);
  if (attrs && !baseInst && !baseCoreInst) {
                  _yuitest_coverline("build/attribute-core/attribute-core.js", 1095);
  this.addAttrs(Y.AttributeCore.protectAttrs(attrs), values, lazy);
              }
          }
      };
  
      _yuitest_coverline("build/attribute-core/attribute-core.js", 1100);
  Y.AttributeCore = AttributeCore;
  
  
  }, '3.8.0pr2', {"requires": ["oop"]});
  