qubit-codec 0.3.3

Reusable byte and text codecs for Rust applications
Documentation 
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/*******************************************************************************
 *
 *    Copyright (c) 2026 Haixing Hu.
 *
 *    SPDX-License-Identifier: Apache-2.0
 *
 *    Licensed under the Apache License, Version 2.0.
 *
 ******************************************************************************/
//! Tests for the decoder trait contract.

use qubit_codec::{
    Base64Codec,
    CodecError,
    Decoder,
    HexCodec,
};

#[test]
fn test_decoder_trait_dispatches_to_concrete_hex_decoder() {
    let codec = HexCodec::new().with_prefix("0x");

    let decoded = Decoder::<str>::decode(&codec, "0x616263").expect("hex should decode");

    assert_eq!(b"abc".to_vec(), decoded);
}

#[test]
fn test_decoder_trait_preserves_concrete_error_type() {
    let error = Decoder::<str>::decode(&Base64Codec::standard(), "@@@")
        .expect_err("invalid base64 should fail");

    assert!(matches!(
        error,
        CodecError::InvalidInput {
            codec: "base64",
            ..
        }
    ));
}