/** * testGetKeys * * @return void * * @covers Windwalker\Data\DataSet::getKeys */ public function testGetKeys() { $dataset = new DataSet($this->getTestData()); $this->assertEquals(array(0, 1), $dataset->getKeys()); $dataset['flower'] = new Data(); $this->assertEquals(array(0, 1, 'flower'), $dataset->getKeys()); }