getActiveSheet(); $column = new Column($sheet); self::assertInstanceOf(Column::class, $column); $columnIndex = $column->getColumnIndex(); self::assertEquals('A', $columnIndex); $spreadsheet->disconnectWorksheets(); } public function testInstantiateColumnSpecified(): void { $spreadsheet = new Spreadsheet(); $sheet = $spreadsheet->getActiveSheet(); $column = new Column($sheet, 'E'); self::assertInstanceOf(Column::class, $column); $columnIndex = $column->getColumnIndex(); self::assertEquals('E', $columnIndex); $spreadsheet->disconnectWorksheets(); } public function testGetCellIterator(): void { $spreadsheet = new Spreadsheet(); $sheet = $spreadsheet->getActiveSheet(); $column = new Column($sheet); $cellIterator = $column->getCellIterator(); self::assertInstanceOf(ColumnCellIterator::class, $cellIterator); $spreadsheet->disconnectWorksheets(); } }