public function testUserRelation()
{
$userPlace = new UserPlace();
$user = new User();
$place = new Place();
$this->assertCount(0, $user->getUserPlaces(), 'collection is initialized on creation');
$this->assertCount(0, $place->getUserPlaces(), 'collection is initialized on creation');
$this->assertCount(0, $place->getUsers(), 'collection is initialized on creation');
$userPlace->setUser($user);
$userPlace->setPlace($place);
$this->assertCount(1, $user->getUserPlaces(), 'user must be notified when userPlace is added');
$this->assertSame($userPlace, $user->getUserPlaces()->first(), 'original userPlace can be retrieved from user');
$this->assertCount(1, $place->getUserPlaces(), 'place must be notified when userPlace is added');
$this->assertSame($userPlace, $place->getUserPlaces()->first(), 'original userPlace can be retrieved from place');
$this->assertCount(1, $place->getUsers(), 'the user must now be the only one directly accessible');
$this->assertSame($user, $place->getUsers()->first(), 'the user must be directly accessible');
}