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

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

            _table.Constraints.Add(c1);
            _table.Constraints.Add(c2);

            Assert.Equal(0, _table.Constraints.IndexOf(c1));
            Assert.Equal(1, _table.Constraints.IndexOf(c2));
            Assert.Equal(0, _table.Constraints.IndexOf("first"));
            Assert.Equal(1, _table.Constraints.IndexOf("second"));
        }