public void ExtensionReturnsTrueIfThereIsAPolicyForType()
{
UnityContainer container = new UnityContainer();
container.RegisterType <object, string>();
Assert.True(container.IsTypeRegistered(typeof(object)));
Assert.False(container.IsTypeRegistered(typeof(int)));
container.RegisterType <IList <int>, List <int> >();
Assert.True(container.IsTypeRegistered(typeof(IList <int>)));
Assert.False(container.IsTypeRegistered(typeof(IList <string>)));
container.RegisterType(typeof(IDictionary <,>), typeof(Dictionary <,>));
Assert.True(container.IsTypeRegistered(typeof(IDictionary <,>)));
}