System.Data.Tests.ConstraintCollectionTest.Contains C# (CSharp) Метод

        public void Contains()
        {
            var c1 = new UniqueConstraint(_table.Columns[0]) { ConstraintName = "first" };
            var c2 = new UniqueConstraint(_table.Columns[1]) { ConstraintName = "second" };

            _table.Constraints.Add(c1);

            Assert.True(_table.Constraints.Contains(c1.ConstraintName));
            Assert.False(_table.Constraints.Contains(c2.ConstraintName));
        }