public function testInstanceTester()
 {
     $instance = new ClassInfo();
     static::assertTrue(ClassInfo::assertInstance($instance));
     static::assertTrue(ClassInfo::isInstance($instance));
     static::assertFalse(ClassInfo::isInstance(__CLASS__));
     $this->expectException('\\InvalidArgumentException');
     ClassInfo::assertInstance(__CLASS__);
 }
 /**
  * Try to determine the type of passed item and proxies the call to the respective specific this[*] methods.
  *
  * @param object|string $what A class name, object instance, interface name, or trait name
  * @param object|null   $bind Alternate $this binding for internal resolver instance
  *
  * @throws RuntimeException If passed value is not an instance, class, interface or trait
  *
  * @return ClassInspector|ObjectInspector|InterfaceInspector|TraitInspector
  */
 public static function using($what, $bind = null)
 {
     if (ClassInfo::isInstance($what)) {
         return self::useInstance($what, $bind);
     }
     if (ClassInfo::isClass($what)) {
         return self::useClass($what, $bind);
     }
     if (ClassInfo::isInterface($what)) {
         return self::useInterface($what, $bind);
     }
     if (ClassInfo::isTrait($what)) {
         return self::useTrait($what);
     }
     throw RuntimeException::create('Invalid inspector argument provided (got %s)', var_export($what, true));
 }