/**
* @dataProvider \g105b\phpcsv\TestHelper::data_randomFilePath
* @expectedException \g105b\phpcsv\InvalidFieldException
*/
public function testGetIdFieldWhenNotSet($filePath)
{
$originalRows = TestHelper::createCsv($filePath, 10);
$csv = new Csv($filePath);
// We know that the "ID" column is not existant within the CSV data, instead
// the ID field is "rowNum"; getting the ID field should return null.
$csv->getIdField();
}
