public void XamlLoadKeyElementTest()
{
string text = @"
<ResourceDictionary xmlns='http://schemas.microsoft.com/winfx/2006/xaml/presentation' xmlns:x='http://schemas.microsoft.com/winfx/2006/xaml' xmlns:test='clr-namespace:Granular.Presentation.Tests.Markup;assembly=Granular.Presentation.Tests'>
<test:LoaderTestElement Value1='1' Value2='2'>
<x:Key>
<test:LoaderTestElement Value1='3' Value2='4'/>
</x:Key>
</test:LoaderTestElement>
</ResourceDictionary>";
XamlElement rootElement = XamlParser.Parse(text);
ResourceDictionary dictionary = XamlLoader.Load(rootElement) as ResourceDictionary;
Assert.IsNotNull(dictionary);
Assert.AreEqual(1, dictionary.Count);
Assert.AreEqual(1, ((LoaderTestElement)dictionary.GetValues().First()).Value1);
Assert.AreEqual(2, ((LoaderTestElement)dictionary.GetValues().First()).Value2);
Assert.AreEqual(3, ((LoaderTestElement)dictionary.GetKeys().First()).Value1);
Assert.AreEqual(4, ((LoaderTestElement)dictionary.GetKeys().First()).Value2);
}