Revision control
Copy as Markdown
Other Tools
/// The `Sec-Websocket-Version` header.
#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash)]
pub struct SecWebsocketVersion(u8);
impl SecWebsocketVersion {
/// `Sec-Websocket-Version: 13`
pub const V13: SecWebsocketVersion = SecWebsocketVersion(13);
}
impl ::Header for SecWebsocketVersion {
fn name() -> &'static ::HeaderName {
&::http::header::SEC_WEBSOCKET_VERSION
}
fn decode<'i, I: Iterator<Item = &'i ::HeaderValue>>(values: &mut I) -> Result<Self, ::Error> {
values
.next()
.and_then(|value| {
if value == "13" {
Some(SecWebsocketVersion::V13)
} else {
None
}
})
.ok_or_else(::Error::invalid)
}
fn encode<E: Extend<::HeaderValue>>(&self, values: &mut E) {
debug_assert_eq!(self.0, 13);
values.extend(::std::iter::once(::HeaderValue::from_static("13")));
}
}
#[cfg(test)]
mod tests {
use super::super::{test_decode, test_encode};
use super::SecWebsocketVersion;
#[test]
fn decode_v13() {
assert_eq!(
test_decode::<SecWebsocketVersion>(&["13"]),
Some(SecWebsocketVersion::V13),
);
}
#[test]
fn decode_fail() {
assert_eq!(test_decode::<SecWebsocketVersion>(&["1"]), None,);
}
#[test]
fn encode_v13() {
let headers = test_encode(SecWebsocketVersion::V13);
assert_eq!(headers["sec-websocket-version"], "13");
}
}