/**
* @covers ::__construct
* @covers ::set
* @covers ::count
* @covers ::clear
*/
public function testCount()
{
$collection = new DataCollection();
$this->assertEquals(0, $collection->count());
$this->assertCount(0, $collection);
$collection->set('test1', true);
$collection->set('test2', true);
$collection->set('test3', null);
$this->assertEquals(3, $collection->count());
$this->assertCount(3, $collection);
}
