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use super::{common_header, Charset, QualityItem, ACCEPT_CHARSET};
common_header! {
/// `Accept-Charset` header, defined in [RFC 7231 §5.3.3].
///
/// The `Accept-Charset` header field can be sent by a user agent to
/// indicate what charsets are acceptable in textual response content.
/// This field allows user agents capable of understanding more
/// comprehensive or special-purpose charsets to signal that capability
/// to an origin server that is capable of representing information in
/// those charsets.
///
/// # Note
/// This is a request header. Servers should not send `Accept-Charset` in responses; to
/// describe the response body's charset, set an appropriate `Content-Type` header instead.
///
/// # ABNF
/// ```plain
/// Accept-Charset = 1#( ( charset / "*" ) [ weight ] )
/// ```
///
/// # Example Values
/// * `iso-8859-5, unicode-1-1;q=0.8`
///
/// # Examples
/// ```
/// use actix_web::{http::header::{AcceptCharset, Charset, QualityItem}, test};
///
/// let req = test::TestRequest::default()
/// .insert_header(AcceptCharset(vec![QualityItem::max(Charset::Us_Ascii)]))
/// .to_http_request();
/// # let _ = req;
/// ```
///
/// ```
/// use actix_web::{http::header::{AcceptCharset, Charset, q, QualityItem}, test};
///
/// let req = test::TestRequest::default()
/// .insert_header(AcceptCharset(vec![
/// QualityItem::new(Charset::Us_Ascii, q(0.9)),
/// QualityItem::new(Charset::Iso_8859_10, q(0.2)),
/// ]))
/// .to_http_request();
/// # let _ = req;
/// ```
///
/// ```
/// use actix_web::{http::header::{AcceptCharset, Charset, QualityItem}, test};
///
/// let req = test::TestRequest::default()
/// .insert_header(AcceptCharset(vec![QualityItem::max(Charset::Ext("utf-8".to_owned()))]))
/// .to_http_request();
/// # let _ = req;
/// ```
///
/// [RFC 7231 §5.3.3]: https://datatracker.ietf.org/doc/html/rfc7231#section-5.3.3
(AcceptCharset, ACCEPT_CHARSET) => (QualityItem<Charset>)*
test_parse_and_format {
// Test case from RFC
common_header_test!(test1, [b"iso-8859-5, unicode-1-1;q=0.8"]);
}
}