EasyCSV\Reader::getLineNumber PHP 메소드

    public function getLineNumber()
    {
        return $this->handle->key();
    }

 /**
  * @dataProvider getReaders
  */
 public function testAdvanceto(Reader $reader)
 {
     $reader->advanceTo(3);
     $this->assertEquals(3, $reader->getLineNumber());
     $reader->advanceTo(0);
     $row = array('column1' => '1column2value', 'column2' => '1column3value', 'column3' => '1column4value');
     $actualRow = $reader->getRow();
     $this->assertEquals($row, $actualRow);
     $reader->advanceTo(3);
     $row = array('column1' => '4column2value', 'column2' => '4column3value', 'column3' => '4column4value');
     $this->assertEquals($row, $reader->getRow());
 }