System.Data.Tests.ConstraintCollectionTest2.Add_SDB4 C# (CSharp) Метод

        public void Add_SDB4()
        {
            Assert.Throws<ConstraintException>(() =>
            {
                DataTable dt = DataProvider.CreateParentDataTable();
                dt.Constraints.Add("UniqueConstraint", dt.Columns["ParentId"], false);
                DataProvider.TryToBreakUniqueConstraint();
                Assert.Equal(2, dt.Select("ParentId=1").Length);
            });
        }