2019-02-07 21:24:24 +00:00
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use crate::header::{HttpDate, IF_UNMODIFIED_SINCE};
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header! {
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/// `If-Unmodified-Since` header, defined in
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/// [RFC7232](http://tools.ietf.org/html/rfc7232#section-3.4)
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///
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/// The `If-Unmodified-Since` header field makes the request method
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/// conditional on the selected representation's last modification date
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/// being earlier than or equal to the date provided in the field-value.
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/// This field accomplishes the same purpose as If-Match for cases where
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/// the user agent does not have an entity-tag for the representation.
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///
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/// # ABNF
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///
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/// ```text
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/// If-Unmodified-Since = HTTP-date
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/// ```
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///
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/// # Example values
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///
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/// * `Sat, 29 Oct 1994 19:43:31 GMT`
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///
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/// # Example
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///
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2021-01-15 02:11:10 +00:00
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/// ```
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/// use std::time::{SystemTime, Duration};
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2019-02-07 21:24:24 +00:00
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/// use actix_http::Response;
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/// use actix_http::http::header::IfUnmodifiedSince;
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///
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/// let mut builder = Response::Ok();
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/// let modified = SystemTime::now() - Duration::from_secs(60 * 60 * 24);
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2021-01-15 02:11:10 +00:00
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/// builder.insert_header(
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/// IfUnmodifiedSince(modified.into())
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/// );
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2019-02-07 21:24:24 +00:00
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/// ```
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(IfUnmodifiedSince, IF_UNMODIFIED_SINCE) => [HttpDate]
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test_if_unmodified_since {
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// Test case from RFC
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test_header!(test1, vec![b"Sat, 29 Oct 1994 19:43:31 GMT"]);
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}
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}
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