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use asn1_rs::*;
use hex_literal::hex;
#[derive(Debug, PartialEq, DerSequence)]
// #[debug_derive]
pub struct T0 {
#[optional]
#[default(0)]
a: u16,
}
#[derive(Debug, PartialEq, DerSequence)]
// #[debug_derive]
pub struct T1 {
#[tag_explicit(0)]
#[optional]
#[default(0)]
a: u16,
}
fn main() {
// optional value present
let input1 = &hex!("3003 020103");
let (rem, t0) = T0::from_der(input1).expect("parsing failed");
assert!(rem.is_empty());
assert_eq!(t0, T0 { a: 3 });
// optional value absent
let input_empty = &hex!("3000");
let (rem, t1) = T0::from_der(input_empty).expect("parsing failed");
assert!(rem.is_empty());
assert_eq!(t1, T0 { a: 0 });
// optional value present
let input1 = &hex!("3005 a003 020103");
let (rem, t0) = T1::from_der(input1).expect("parsing failed");
assert!(rem.is_empty());
assert_eq!(t0, T1 { a: 3 });
// optional value absent
let input_empty = &hex!("3000");
let (rem, t1) = T1::from_der(input_empty).expect("parsing failed");
assert!(rem.is_empty());
assert_eq!(t1, T1 { a: 0 });
}
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