public function testAllEmpty()
{
$user = $this->inputUser;
$this->assertFalse(Pluck::allEmpty($user, 'User.id'));
$this->assertFalse(Pluck::allEmpty($user, 'Post.{n}.Comment.{n}'));
$this->assertFalse(Pluck::allEmpty($user, 'Post.{n}.Comment.{n}.id'));
$this->assertTrue(Pluck::allEmpty($user, 'Bad.path'));
$this->assertTrue(Pluck::allEmpty($user, array('Bad.path', 'Also.{n}.bad')));
$this->assertFalse(Pluck::allEmpty($user, array('Bad.path', 'Also.{n}.bad', 'User.name')));
// paths matching empty values = filtered out... still empty
$data = $this->inputMixed;
$this->assertFalse(Pluck::allEmpty($data, 'true'));
$this->assertTrue(Pluck::allEmpty($data, 'false'));
$this->assertTrue(Pluck::allEmpty($data, 'null'));
// paths matching 0 is technically empty value, but it doesn't get
// filtered out, and thus, exists, and thus, is not empty
// GOTCHA!
$this->assertFalse(Pluck::allEmpty($data, 'zero'));
$this->assertFalse(Pluck::allEmpty($data, 'zero', false));
// solution...
$this->assertTrue(Pluck::allEmpty($data, 'zero', true));
}
