public void AddRange()
{
DataTableCollection tbcol = _dataset[0].Tables;
tbcol.Clear();
/* _tables is array of type DataTable defined in Setup */
tbcol.AddRange(_tables);
int i, j;
i = 0;
foreach (DataTable table in tbcol)
{
Assert.Equal(_tables[i].TableName, table.TableName);
j = 0;
foreach (DataColumn column in table.Columns)
{
Assert.Equal(_tables[i].Columns[j].ColumnName, column.ColumnName);
j++;
}
i++;
}
}