public void DmTable_Clone_Copy()
{
var tbl = new DmTable("ServiceTickets");
var id = new DmColumn <Guid>("ServiceTicketID");
tbl.Columns.Add(id);
var key = new DmKey(new DmColumn[] { id });
tbl.PrimaryKey = key;
tbl.Columns.Add(new DmColumn <string>("Title"));
tbl.Columns.Add(new DmColumn <string>("Description"));
tbl.Columns.Add(new DmColumn <int>("StatusValue"));
tbl.Columns.Add(new DmColumn <int>("EscalationLevel"));
tbl.Columns.Add(new DmColumn <DateTime>("Opened"));
tbl.Columns.Add(new DmColumn <DateTime>("Closed"));
tbl.Columns.Add(new DmColumn <int>("CustomerID"));
var st = tbl.NewRow();
st["ServiceTicketID"] = Guid.NewGuid();
st["Title"] = "Titre AER";
st["Description"] = "Description 2";
st["EscalationLevel"] = 1;
st["StatusValue"] = 2;
st["Opened"] = DateTime.Now;
st["Closed"] = null;
st["CustomerID"] = 1;
tbl.Rows.Add(st);
var tbl2 = tbl.Clone();
Assert.NotSame(tbl2, tbl);
Assert.Empty(tbl2.Rows);
Assert.Equal(8, tbl2.Columns.Count);
Assert.NotNull(tbl2.PrimaryKey);
var tbl3 = tbl.Copy();
Assert.NotSame(tbl3, tbl2);
Assert.NotSame(tbl3, tbl);
Assert.NotNull(tbl3.PrimaryKey);
Assert.Equal(8, tbl3.Columns.Count);
Assert.NotEmpty(tbl3.Rows);
}