System.Data.Tests.ForeignKeyConstraintTest.Ctor1 C# (CSharp) Method

        public void Ctor1()
        {
            DataTable Table = _ds.Tables[0];

            Assert.Equal(0, Table.Constraints.Count);
            Table = _ds.Tables[1];
            Assert.Equal(0, Table.Constraints.Count);

            // ctor (string, DataColumn, DataColumn
            ForeignKeyConstraint Constraint = new ForeignKeyConstraint("test", _ds.Tables[0].Columns[2], _ds.Tables[1].Columns[0]);
            Table = _ds.Tables[1];
            Table.Constraints.Add(Constraint);

            Assert.Equal(1, Table.Constraints.Count);
            Assert.Equal("test", Table.Constraints[0].ConstraintName);
            Assert.Equal(typeof(ForeignKeyConstraint), Table.Constraints[0].GetType());

            Table = _ds.Tables[0];
            Assert.Equal(1, Table.Constraints.Count);
            Assert.Equal("Constraint1", Table.Constraints[0].ConstraintName);
            Assert.Equal(typeof(UniqueConstraint), Table.Constraints[0].GetType());
        }