public static function assertActionAdded(
        $hook = '',
        $callback = null,
        $priority = null,
        $argsNum = null
    ) {
        static::assertHookAdded('action', $hook, $callback, $priority, $argsNum);
    }
public static function assertActionAdded(
        $hook = '',
        $callback = null,
        $priority = null,
        $argsNum = null
    ) {
        static::assertHookAdded('action', $hook, $callback, $priority, $argsNum);
    }
public static function assertActionAdded ( $ hook = '' , $ callback = null , $ priority = null , $ argsNum = null ) { static :: assertHookAdded ( 'action' , $ hook , $ callback , $ priority , $ argsNum ) ; }
Check if an action is added and throws a exceptions otherwise.

@param string   $hook     Action hook to check
@param callable $callback Callback to check
@param int      $priority Priority to check
@param int      $argsNum  Number of accepted arguments to check
Check if an action is added and throws a exceptions otherwise .