/** * @covers ::getIterator */ public function testGetIterator() { $this->callbackReturnValue = $this->getPopulatedCollection(); $this->statement->setFetchMode(PDO::FETCH_COLUMN, 0); $counter = 0; foreach ($this->statement->getIterator() as $id) { $this->assertEquals(++$counter, $id); } $this->assertEquals(2, $counter); }