public function testDatetimeField() { $fields = $this->item->getDatetimeFields(); $this->assertEquals(0, $fields->count()); $index = new IndexDatetime(); $this->item->addDatetimeField($index); $fields = $this->item->getDatetimeFields(); $this->assertEquals($index, $fields->get(0)); $this->item->removeDatetimeField($index); $fields = $this->item->getDatetimeFields(); $this->assertEquals(0, $fields->count()); }