define('spec/Utility', [], function() {

var nameToPathCache = {};

var nameToPath = function(name) {

if (typeof name !== 'string' || name === '.' || name === '') return []; // '', for compatibility

if (nameToPathCache[name]) return nameToPathCache[name];

var parts = name.split('.');

var path = [];

for (var i = 0; i < parts.length; i++)

{

var match = parts[i].match(/([a-zA-Z0-9_$]+)\[([^\]]+)\]/);

if (match)

{

path.push(match[1]);

if (/^\d+$/.test(match[2]))

path.push(parseInt(match[2]));

else

path.push(match[2]);

}

else

{

path.push(parts[i]);

}

}

return (nameToPathCache[name] = path.reverse());

},

getValue =function(o, name, defaultValue) {

var path = nameToPath(name).slice(0);

var current = o;

while (current && path.length > 0)

{

var key = path.pop();

if (typeof current[key] !== 'undefined')

current = current[key];

else

return typeof defaultValue !== 'undefined' ? defaultValue : null;

}

return current;

};

beforeEach(function() {

jasmine.addMatchers({

toHaveProperty: function(util, customEqualityTesters) {

return {

compare: function(actual, name, value) {

var empty = {},

actual = getValue(actual, name, empty),

result = {};

result.pass = value === undefined

? actual !== empty

: actual == value;

return result;

}

};

},

toExist: function( util, customEqualityTesters) {

return {

compare: function(actual) {

var result = {};

result.pass = !!actual;

return result;

}

};

}

});

});

});