System.Data.Tests.DataRelationTest.InvalidConstraintException2 C# (CSharp) Метод

        public void InvalidConstraintException2()
        {
            Assert.Throws<InvalidConstraintException>(() =>
           {
               // Parent Columns and Child Columns don't have type-matching columns.
               _child.Columns[1].DataType = _mom.Columns[1].DataType;

               DataRelation Relation = new DataRelation("Rel", _mom.Columns[1], _child.Columns[1], true);
               _set.Relations.Add(Relation);
               Assert.Equal(1, _set.Relations.Count);

               _child.Columns[1].DataType = Type.GetType("System.Double");
           });
        }