public void Build_EmptyAndNullAreDifferent_CorrectDisplay()
{
// Design Dummy Column
DataColumn col = new DataColumn("DummyColumn");
col.ExtendedProperties.Add("NBi::Role", ColumnRole.Key);
col.ExtendedProperties.Add("NBi::Type", ColumnType.Text);
// Design dummy table
DataTable table = new DataTable();
table.Columns.Add(col);
var row = table.NewRow();
row[0] = string.Empty;
row.SetColumnError(0, "(null)");
ICellFormatter cf = LineFormatter.Build(row, 0);
// This must not throw an exception when the header is bigger that requested size
var text = cf.GetText(20);
Assert.That(text, Is.StringContaining("(empty)"));
Assert.That(text, Is.StringContaining("<>"));
Assert.That(text, Is.StringContaining("(null)"));
}