public void GetAssociationSet_should_return_association_set() { var model = new EdmModel().Initialize(); var entityType = model.AddEntityType("Foo"); model.AddEntitySet("FooSet", entityType); var associationType = new EdmAssociationType().Initialize(); associationType.SourceEnd.EntityType = entityType; associationType.TargetEnd.EntityType = entityType; model.AddAssociationSet("FooSet", associationType); var associationSet = model.GetAssociationSet(associationType); Assert.NotNull(associationSet); Assert.Same(associationType, associationSet.ElementType); }