public function testCleanEmpty()
{
$this->assertEmpty(ArrayUtils::cleanEmpty(array()));
$array = array('key' => 'val', 'key1' => 'val1', 'key2' => null, 'key3' => array(), 'key4' => '', 'key5' => ' ', 'key6' => false, 'key7' => array('something' => 'lipsum'), 'key8' => new \stdClass(), 'key9' => array(array(), array()));
$this->assertEquals(ArrayUtils::cleanEmpty($array), array('key' => 'val', 'key1' => 'val1', 'key6' => false, 'key7' => array('something' => 'lipsum'), 'key8' => new \stdClass(), 'key9' => array(array(), array())));
}
