| public static CreateForigenConstraint ( ) : DataSet | ||
| Результат | DataSet | |
public void Add_Constraint()
{
DataTable dt = DataProvider.CreateUniqueConstraint();
Assert.Equal(1, dt.Constraints.Count);
Assert.Equal("Constraint1", dt.Constraints[0].ConstraintName);
DataSet ds = DataProvider.CreateForigenConstraint();
Assert.Equal(1, ds.Tables[1].Constraints.Count);
Assert.Equal(1, ds.Tables[0].Constraints.Count);
var arr = new ArrayList(1);
arr.Add(new ConstraintException());
TestException(new testExceptionMethodCallback(DataProvider.TryToBreakUniqueConstraint), arr);
arr = new ArrayList(1);
arr.Add(new InvalidConstraintException());
TestException(new testExceptionMethodCallback(DataProvider.TryToBreakForigenConstraint), arr);
}
public void DataTableCollection_RemoveAt_I3()
{
DataSet ds = DataProvider.CreateForigenConstraint();
AssertExtensions.Throws <ArgumentException>(null, () => ds.Tables.RemoveAt(0)); //Parent table
}
public void CanRemove_ChildForeign()
{
DataSet ds = DataProvider.CreateForigenConstraint();
Assert.True(ds.Tables["child"].Constraints.CanRemove(ds.Tables["child"].Constraints[0]));
}
public void CanRemove_ParentForeign()
{
DataSet ds = DataProvider.CreateForigenConstraint();
Assert.False(ds.Tables["parent"].Constraints.CanRemove(ds.Tables["parent"].Constraints[0]));
}
