public void Clear_WithNoDataWithConstraint()
{
// Test dataset with no data and with constraint
var ds = new DataSet();
ds.Tables.Add(DataProvider.CreateParentDataTable());
ds.Tables.Add(DataProvider.CreateChildDataTable());
ds.Tables[0].Rows.Clear();
ds.Tables[1].Rows.Clear();
ds.Tables[0].Constraints.Add("test", ds.Tables[1].Columns[0], ds.Tables[0].Columns[0]);
ds.Clear();
}