66 lines
1.6 KiB
Rust
66 lines
1.6 KiB
Rust
#![cfg_attr(docsrs, doc(cfg(feature = "serde")))]
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use super::NaiveTime;
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use core::fmt;
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use serde::{de, ser};
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// TODO not very optimized for space (binary formats would want something better)
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// TODO round-trip for general leap seconds (not just those with second = 60)
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impl ser::Serialize for NaiveTime {
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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
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where
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S: ser::Serializer,
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{
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serializer.collect_str(&self)
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}
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}
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struct NaiveTimeVisitor;
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impl<'de> de::Visitor<'de> for NaiveTimeVisitor {
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type Value = NaiveTime;
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fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
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formatter.write_str("a formatted time string")
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}
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fn visit_str<E>(self, value: &str) -> Result<Self::Value, E>
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where
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E: de::Error,
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{
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value.parse().map_err(E::custom)
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}
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}
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impl<'de> de::Deserialize<'de> for NaiveTime {
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fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
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where
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D: de::Deserializer<'de>,
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{
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deserializer.deserialize_str(NaiveTimeVisitor)
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}
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}
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#[test]
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fn test_serde_serialize() {
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super::test_encodable_json(serde_json::to_string);
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}
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#[test]
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fn test_serde_deserialize() {
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super::test_decodable_json(|input| serde_json::from_str(input));
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}
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#[test]
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fn test_serde_bincode() {
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// Bincode is relevant to test separately from JSON because
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// it is not self-describing.
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use bincode::{deserialize, serialize};
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let t = NaiveTime::from_hms_nano_opt(3, 5, 7, 98765432).unwrap();
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let encoded = serialize(&t).unwrap();
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let decoded: NaiveTime = deserialize(&encoded).unwrap();
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assert_eq!(t, decoded);
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}
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