PHPUnit_Framework_Assert::assertAttributeNotInstanceOf PHP Method

    public static function assertAttributeNotInstanceOf($expected, $attributeName, $classOrObject, $message = '')
    {
        static::assertNotInstanceOf($expected, static::readAttribute($classOrObject, $attributeName), $message);
    }

/**
 * Asserts that an attribute is of a given type.
 *
 * @param string $expected
 * @param string $attributeName
 * @param mixed  $classOrObject
 * @param string $message
 * @since Method available since Release 3.5.0
 */
function assertAttributeNotInstanceOf($expected, $attributeName, $classOrObject, $message = '')
{
    return PHPUnit_Framework_Assert::assertAttributeNotInstanceOf($expected, $attributeName, $classOrObject, $message);
}