public function testGetCommonParentClass()
 {
     $map = array('stdClass' => array(array('stdClass', 'stdClass')), false => array(array('Exception', 'stdClass')), 'Exception' => array(array('Exception', 'RuntimeException'), array('LogicException', 'RuntimeException'), array('BadMethodCallException', 'OutOfBoundsException')));
     foreach ($map as $expect => $tests) {
         if (is_int($expect)) {
             $expect = (bool) $expect;
         }
         foreach ($tests as $input) {
             list($class_a, $class_b) = $input;
             $this->assertEqual($expect, PhutilTypeSpec::getCommonParentClass($class_a, $class_b), print_r($input, true));
         }
     }
 }