52 lines
1.3 KiB
Rust
52 lines
1.3 KiB
Rust
#![cfg(feature = "std")]
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struct Foo {
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pub a: u32,
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pub b: u32,
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}
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impl bincode::enc::Encodeable for Foo {
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fn encode<E: bincode::enc::Encode>(
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&self,
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mut encoder: E,
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) -> Result<(), bincode::error::EncodeError> {
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self.a.encode(&mut encoder)?;
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self.b.encode(&mut encoder)?;
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Ok(())
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}
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}
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impl bincode::de::Decodable for Foo {
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fn decode<D: bincode::de::Decode>(mut decoder: D) -> Result<Self, bincode::error::DecodeError> {
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Ok(Self {
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a: bincode::de::Decodable::decode(&mut decoder)?,
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b: bincode::de::Decodable::decode(&mut decoder)?,
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})
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}
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}
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#[test]
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fn test_std_cursor() {
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let mut cursor = std::io::Cursor::<&[u8]>::new(&[5, 10]);
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let foo: Foo = bincode::decode_from(&mut cursor).unwrap();
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assert_eq!(foo.a, 5);
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assert_eq!(foo.b, 10);
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}
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#[test]
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fn test_std_file() {
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use std::io::{Seek, SeekFrom};
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let mut file = tempfile::tempfile().expect("Could not create temp file");
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let bytes_written = bincode::encode_into_write(Foo { a: 30, b: 50 }, &mut file).unwrap();
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assert_eq!(bytes_written, 2);
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file.seek(SeekFrom::Start(0)).unwrap();
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let foo: Foo = bincode::decode_from(&mut file).unwrap();
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assert_eq!(foo.a, 30);
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assert_eq!(foo.b, 50);
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}
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