public void ToStringTest ()
{
ListView lv = new ListView ();
lv.SmallImageList = new ImageList ();
ColumnHeader col = new ColumnHeader ();
col.DisplayIndex = 3;
col.ImageIndex = 2;
col.Name = "address_col";
col.Tag = DateTime.Now;
col.Text = "Address";
col.TextAlign = HorizontalAlignment.Right;
col.Width = 30;
lv.Columns.Add (col);
Assert.AreEqual ("ColumnHeader: Text: Address", col.ToString ());
}