public function testFixNavigationMenu_inferIDs_deep()
 {
     $input[10] = array('attributes' => array('label' => 'Custom Menu Entry', 'parentID' => NULL, 'navID' => 10, 'active' => 1), 'child' => array('0' => array('attributes' => array('label' => 'Custom Child Menu'), 'child' => array('100' => array('attributes' => array('label' => 'Custom Child Menu 2', 'navID' => 100), 'child' => NULL)))));
     $output = $input;
     CRM_Core_BAO_Navigation::fixNavigationMenu($output);
     $this->assertEquals('Custom Menu Entry', $output[10]['attributes']['label']);
     $this->assertEquals(NULL, $output[10]['attributes']['parentID']);
     $this->assertEquals(10, $output[10]['attributes']['navID']);
     $this->assertEquals('Custom Child Menu', $output[10]['child'][101]['attributes']['label']);
     $this->assertEquals(10, $output[10]['child'][101]['attributes']['parentID']);
     $this->assertEquals(101, $output[10]['child'][101]['attributes']['navID']);
     $this->assertEquals('Custom Child Menu 2', $output[10]['child'][101]['child'][100]['attributes']['label']);
     $this->assertEquals(101, $output[10]['child'][101]['child'][100]['attributes']['parentID']);
     $this->assertEquals(100, $output[10]['child'][101]['child'][100]['attributes']['navID']);
 }