public void Cast_CanDowncast()
{
var handle = new DomainObjectHandle <Order> (DomainObjectIDs.Order1).Cast <DomainObject> ();
var result = handle.Cast <Order>();
Assert.That(result, Is.SameAs(handle));
Assert.That(VariableTypeInferrer.GetVariableType(result), Is.SameAs(typeof(IDomainObjectHandle <Order>)));
}
public void Cast_ThrowsOnUnsupportedCast()
{
var handle = new DomainObjectHandle <Order> (DomainObjectIDs.Order1);
Assert.That(
() => handle.Cast <OrderItem> (),
Throws.TypeOf <InvalidCastException> ().With.Message.EqualTo(
"The handle for object 'Order|5682f032-2f0b-494b-a31c-c97f02b89c36|System.Guid' cannot be represented as a handle for type "
+ "'Remotion.Data.DomainObjects.UnitTests.TestDomain.OrderItem'."));
}