public void SingleFieldAssocitationValidation()
{
NorthwindObjectContext context = new LocalNorthwindObjectContext();
// RegionID = 0 is invalid
context.Territories.AddObject(
new Territory()
{
TerritoryID = "0000",
TerritoryDescription = "New territory",
RegionID = 0
});
try
{
// The new region addition must fail
context.SaveChanges();
Assert.Fail();
}
catch (Exception ex)
{
// Search for ForeignKeyViolationException exception
Assert.IsTrue(
ExceptionHelper.ContainsException(
ex,
"NMemory.Exceptions.ForeignKeyViolationException"));
}
}
public void SingleFieldAssocitationEmpty()
{
NorthwindObjectContext context = new LocalNorthwindObjectContext();
// All field is empty, null foreign keys
context.Orders.AddObject(
new Order()
{
});
context.SaveChanges();
}