public void Item()
{
DataTable dt = DataProvider.CreateUniqueConstraint();
dt.Constraints[0].ConstraintName = "constraint1";
Assert.Equal("constraint1", dt.Constraints[0].ConstraintName);
Assert.Equal("constraint1", dt.Constraints["constraint1"].ConstraintName);
ArrayList arr = new ArrayList(1);
arr.Add(new IndexOutOfRangeException());
TestException(new testExceptionMethodCallback(Item2), arr);
}