// SPDX-License-Identifier: AGPL-3.0-or-later
use super::{from_vec, to_vec, Result};
use serde::{Deserialize, Serialize};
use serde_big_array::BigArray;

#[test]
fn test_empty_array_deserialization() -> Result<()> {
    #[derive(Deserialize, Debug, PartialEq)]
    struct Vacuous {
        // Of course you would never actually do this, but it should handle it properly regardless.
        #[serde(with = "BigArray")]
        nothing: [u8; 0],
    }
    let expected = Vacuous { nothing: [0u8; 0] };
    let vec = vec![];
    let result = from_vec(&vec);
    assert_eq!(expected, result?);
    Ok(())
}

#[derive(Serialize, Deserialize, Debug, PartialEq)]
struct S {
    #[serde(with = "BigArray")]
    array: [u8; 0x40],
}

#[test]
fn test_big_array_deserialization() -> Result<()> {
    let expected = S {
        array: [
            0x81, 0xc0, 0xf, 0x3e, 0x2f, 0x11, 0xae, 0xc9, 0x48, 0x68, 0xc4, 0x66, 0x67, 0x1e,
            0xda, 0x4e, 0xde, 0xf, 0x84, 0x23, 0x4d, 0x24, 0x0, 0x23, 0xe8, 0x84, 0xac, 0xc6, 0x7c,
            0xb0, 0x34, 0x5, 0xa3, 0xc3, 0x4b, 0x59, 0xaa, 0x96, 0x9f, 0xc6, 0x2d, 0x31, 0x5a,
            0xb5, 0x61, 0xfd, 0xad, 0x9b, 0x7a, 0xf8, 0xf3, 0xd7, 0xee, 0x4a, 0x86, 0xd7, 0x87,
            0x20, 0x33, 0x32, 0x12, 0xc9, 0x55, 0x1e,
        ],
    };
    let mut vec = vec![0; 0x40];
    vec.copy_from_slice(expected.array.as_slice());
    let result = from_vec(&vec);
    assert_eq!(expected, result?);
    Ok(())
}

#[test]
fn test_big_array_serialization() -> Result<()> {
    let value = S {
        array: [
            0x81, 0xc0, 0xf, 0x3e, 0x2f, 0x11, 0xae, 0xc9, 0x48, 0x68, 0xc4, 0x66, 0x67, 0x1e,
            0xda, 0x4e, 0xde, 0xf, 0x84, 0x23, 0x4d, 0x24, 0x0, 0x23, 0xe8, 0x84, 0xac, 0xc6, 0x7c,
            0xb0, 0x34, 0x5, 0xa3, 0xc3, 0x4b, 0x59, 0xaa, 0x96, 0x9f, 0xc6, 0x2d, 0x31, 0x5a,
            0xb5, 0x61, 0xfd, 0xad, 0x9b, 0x7a, 0xf8, 0xf3, 0xd7, 0xee, 0x4a, 0x86, 0xd7, 0x87,
            0x20, 0x33, 0x32, 0x12, 0xc9, 0x55, 0x1e,
        ],
    };
    let mut expected = vec![0; 0x40];
    expected.copy_from_slice(value.array.as_slice());
    let result = to_vec(&value);
    assert_eq!(expected, result?);
    Ok(())
}