Function decode_test

base64ct/src/decoder.rs:597–619

Core functionality of a decoding test

(expected: &[u8], f: F)

    /// Core functionality of a decoding test
    fn decode_test<'a, F, V>(expected: &[u8], f: F)
    where
        F: Fn() -> Decoder<'a, V>,
        V: Alphabet,
    {
        for chunk_size in 1..expected.len() {
            let mut decoder = f();
            let mut remaining_len = decoder.remaining_len();
            let mut buffer = [0u8; 1024];

            for chunk in expected.chunks(chunk_size) {
                assert!(!decoder.is_finished());
                let decoded = decoder.decode(&mut buffer[..chunk.len()]).unwrap();
                assert_eq!(chunk, decoded);

                remaining_len -= decoded.len();
                assert_eq!(remaining_len, decoder.remaining_len());
            }

            assert!(decoder.is_finished());
            assert_eq!(decoder.remaining_len(), 0);
        }
    }
}